ewrs newsletter 107 july 2009 european weed research · pdf fileewrs newsletter № 107 july...

EWRS Newsletter № 107 July 2009

EEUURROOPPEEAANN WWEEEEDD RREESSEEAARRCCHH SSOOCCIIEETTYY

Secretary Dr. Andrej SIMONCIC Agricultural Institute of Slovenia Hacquetova 17 SI-1000 Ljubljana [email protected]

Newsletter Editor Dr. Camilla MOONEN Land Lab Scuola Superiore Sant’Anna Piazza Martiri delle Libertà, 33 IT-56127 Pisa [email protected] [email protected]

Winter wheat varieties’ competitive ability against Sinapis arvensis L. (pure stand in the small central picture). On the left, cultivar Albachiara, which was more competitive against S. arvensis than cultivar Kalango, on the right. For more information on this experiment see PhD thesis summary on p. 7 in this Newsletter. (picture and text Federica Bigongiali)

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CCOONNTTEENNTTSS Contents............................................................................................................................1 From the Board ..................................................................................................................2

President’s Message ....................................................................................................................... 2 Scientific Committee and Working Groups ............................................................................3

Report of the 10th World Congress on Parasitic Plants....................................................................... 3 Member contributions .........................................................................................................4

Invitation from the Asian-Pasific Weed Science Society (APWSS) ...................................................... 4 Histology in Weed Science .............................................................................................................. 4 Report on the 1st EU – Weed Mapping Workshop ............................................................................. 5

Reviews ............................................................................................................................7 PhD Thesis Summary ..................................................................................................................... 7 Sustainable Farmland Management – Transdisciplinary approaches................................................... 8 Software for the Identification of Invasive Plants in Australia. ........................................................... 9

Call for Conferences .........................................................................................................10 12th International Symposium on ’Aquatic Weeds’ .......................................................................... 10 XIIIth International Conference on Weed Biology............................................................................ 11 Novel and Sustainable Weed Management in Arid and Semi-Arid Agro-Ecosystems .......................... 11 BCPC Congress 2009 .................................................................................................................... 12 EWRS Education and Training Workshop on the free Statistical Software R...................................... 12 Weed Science and Biodiversity in a Sustainable Agriculture............................................................. 13 15th EWRS Symposium ................................................................................................................ 14 Association of Applied Biologists conferences ................................................................................. 15 Upcoming Conferences and Workshops ......................................................................................... 16

Editorial ...........................................................................................................................18 Instructions for Contributors ......................................................................................................... 18 Charges for Advertising Material in the Newsletter ......................................................................... 18 EWRS Scientific Committee........................................................................................................... 20 EWRS Working Groups ................................................................................................................. 21


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FFRROOMM TTHHEE BBOOAARRDD

PPRREESSIIDDEENNTT’’SS MMEESSSSAAGGEE

Dear Colleagues, In the beginning of June the Editor of Chief of Weed Research, Jon Marshall and the Chairman of the Editorial Board of Weed Research, Andrea Grundy jointly organised a meeting with Wiley-Blackwell, the publisher of Weed Research. Paolo Bàrberi, Ben Post and I represented the EWRS Board. The purpose of the meeting was to discuss the future strategy of Weed Research. Besides being the public image of EWRS, Weed Research is also a very important source of income for the society. Without that income EWRS will not be able to support the many activities of the Working Groups or to provide grants to graduate students and young scientists giving them the opportunity to attend and present their research work at international symposia and workshops such as the EWRS Symposium and the International Weed Science Congress. It was a very positive meeting in the sense that Wiley-Blackwell sees a very bright future for our journal. Today libraries do not subscribe to individual journals but instead the publishers are offering various packages of the journals they are publishing. Weed Research is doing very well under that system and Wiley-Blackwell do not foresee any significant changes in the foreseeable future. We also discussed the potential impact from the open access journals that have emerged in recent years. It seems as none of the journals focus on weed science and our expectations are that the open access journals will have if any impact on the interest for submitting manuscripts to Weed Research. It always wise not to rest on one’s laurels and we therefore decided on a number of actions intended to support the continuous development of the journal. An important one coming up very soon is the 50th anniversary of Weed Research which will be marked throughout 2010. Shortly after our meeting we received information that the impact factor of Weed Research went up from 1.352 in 2007 to 1.793 in 2008 and is now ranked 11th out of 49 journals in the agronomy category compared to 14th in 2007. Although it is often argued that the importance of impact factors is overrated, reality is that nothing is more important for the success of a journal than the impact factor. The significant increase from 2007 to 2008 is therefore wonderful news and on behalf of the EWRS Board I will take this opportunity to thank Jon Marshall and his team of subject editors for doing a fantastic job. The continued success of Weed Research depends, however, on you and I strongly encourage all of you to continue to submit high quality manuscripts to Weed Research. Finally, I will once again draw your attention to the forthcoming 15th EWRS Symposium that will be held July 12-15, 2010 in Hungary at the Kaspovar University. More information is available on the EWRS website (www.ewrs.org). Please notice that the deadline for submission of abstracts is September 15 so please remember that one of the first things you should do when you are back from summer vacation is to submit one or more abstracts. Per Kudsk EWRS President

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SSCCIIEENNTTIIFFIICC CCOOMMMMIITTTTEEEE AANNDD WWOORRKKIINNGG GGRROOUUPPSS

RREEPPOORRTT OOFF TTHHEE 1100TTHH WWOORRLLDD CCOONNGGRREESSSS OONN PPAARRAASSIITTIICC PPLLAANNTTSS

By Maurizio Vurro; WG coordinator; [email protected] From 8 to 12 June 2009 the 10th World Congress on Parasitic Plants was held in Kusadasy, Turkey, in the splendid location of the Pine Bay Resort Hotel, perfectly organized by the local organizer, Dr. Ahmet ULUDAG, and by the International Parasitic Plant Society (IPPS). The conference had around 120 participants from 35 countries from all over the world. On the first day the Opening lecture was held by Prof. Robert ZIMDAHL on "The role of Ethics in Science" in the very nice conference hall, followed by two other invited presentations, by Dr. Daniel JOEL "Taxonomic and evolutionary justifications for considering Phelipanche as a separate genus", and by Dr. M. A. SELOSSE "One way of forest plants to make their living in deep shade: eating mycorrhizal fungi". The programme was then arranged, thanks to the strong efforts of Prof. Diego RUBIALES, Program Chair, and Jim WESTWOOD, IPPS President, within the following 7 main sessions, some of which were split in more than one day: • Evolution and phylogeny of parasitic plants • Parasite biochemistry and physiology • Ecology and population biology of parasitic species • Host-parasite communication • Parasitic weed management • Host and non-host responses to parasitism • Breeding for parasitic plant control

There were also two special sessions: • Hemiparasites • Orobanche cumana

During the four days of the conference, there were more 58 speeches, always followed by numerous questions and long discussions after each session, so that sometimes it was hard for chairmen to stay within the scheduled duration of the session. More than 60 posters were displayed, dedicating to its view and discussion two hours in two afternoons, and having coffee breaks in the poster rooms. Some of the poster were further selected for short presentations. With regard to the EWRS presence and support to the conference, two main posters on the activities of the Society and on its organization were displayed in the poster hall, and its support was acknowledged during the conference as well as on its official website (www.ippsturkey.com). The funds were used to support the attendance of the following 4 young scientists, each of one held an appreciated presentation: • ROCÍO PİNEDA MARTOS, Spain - Genetic diversity of Orobanche cumana populations from Spain

and Eastern Europe • MEULEBROUCK KLAAR, Belgium, Putting things on their heads: host age thwarts establishment of

the holoparasite Cuscuta epithymum • IRUM MUKHTAR, Pakistan, Antifungal activity of Cuscuta reflexa • CHRIS THOROGOOD, U.K. Host specificity and speciation in Orobanche minor.

During the Society Board meeting it was agreed that the 11th World Congress on Parasitic Plants will b held in 2011 in Italy, accepting the bid of Maurizio VURRO to act as local organizer.

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http://www.ippsturkey.com/


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MMEEMMBBEERR CCOONNTTRRIIBBUUTTIIOONNSS

IINNVVIITTAATTIIOONN FFRROOMM TTHHEE AASSIIAANN--PPAASSIIFFIICC WWEEEEDD SSCCIIEENNCCEE SSOOCCIIEETTYY ((AAPPWWSSSS))

By Steve Adkins, Vice President APWSS; [email protected] The Executive of the APWSS invites you to join APWSS, an association of weed scientists with an Asian-Pacific outlook. We acknowledge your expertise in weed science and your contributions to your local and national weed science organizations and welcome you to contribute your expertise to promoting weed science on an International-Regional basis. APWSS was established in 1967 during the first meeting at the Hawaiian Island of Kawai primarily to facilitate the interchange of current weed management information and to promote research in weed science. Initially supported by the University of Hawaii, the biennial conferences have since become major for a by which research results were shared, information disseminated to agricultural researchers, and cooperation, even encouragement, developed from the fellowship that resulted from them. We have around 600 members in over 25 countries. From the 87 founding members in 1967, the number of participants peaked at around 600 (1989) with the maximum number of countries represented at any one time being 27. A website for the 22nd APWSS Conference to be held in Lahore, Pakistan, March 2010 has been set up at www.wssp.org.pk. The 23rd APWSS Conference will be held in Cairns, Australia in September 2011. New memberships can be arranged through Dr Michael Renton (Society Treasurer) [email protected] or Steve Adkins (President-elect) [email protected]. An informative Society newsletter is produced three times a year by Dr Nimal Chandrasena (Newsletter Editor) [email protected].

HHIISSTTOOLLOOGGYY IINN WWEEEEDD SSCCIIEENNCCEE

Dear Colleagues, I promised you to deliver two to three histological sections as an introduction to a topic of special interest in each Newsletter. On the right please find a picture of a section through a root (about 640x) of Elytrigia repens (L.) Desv. ex Nevski, Syn: Elymus repens (L.) Gould, Agropyron repens (L.) P. Beauv. (Bayer Code : AGRRE). The section was stained with toluidine blue. What you see in the upper part is the tertiary endodermis showing concentric deposits of cellulose. The endodermis regulates the transport of water into the central stele. The cell layer below represents the pericycle from where secondary roots originate.

http://www.wssp.org.pk/



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The picture below shows a section through a shoot (160 x). It was also stained with toluidine blue. Vascular bundles are distributed over the whole section.

In the last section, on the right, a single vascular bundle is depicted (640x). The section was stained with astra blue and safranine. Lignified cell walls are red as for example in the bundle sheath surrounding the bundle or in the xylem vessels. The protoxylem in the lower part is starting to disintegrate and to form a lacuna. In the upper part you can recognize the phloem with small companion cells and larger sieve tubes. Elytrigia repens (L.) Desv. ex Nevski or quackgrass is a perennial plant spreading by rhizomes which give rise to aerial shoots. Propagation via seeds is also common. Herbicide resistance has not been reported for quackgrass yet as far as I know. Maybe this has to do with its prevailing vegetative propagation.

Hansjörg Krähmer [email protected]

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RREEPPOORRTT OONN TTHHEE 11SSTT EEUU –– WWEEEEDD MMAAPPPPIINNGG WWOORRKKSSHHOOPP

By Hansjörg Krähmer; EWRS vice President; [email protected]

The first ‘Weed Mapping Workshop’ was held in Prague, Czech Republic, from 13 to 15 May 2009. Weed surveys have a long tradition in many European countries. Finland, Hungary and the Czech Republic started new initiatives this or last year. Unfortunately, many results of previous surveys in many central and eastern European countries are either not accessible or have not been published in English yet. The software used and the documentation of data varies from country to country. For some areas, no data are available at all. Most existing weed maps only show the distribution of weeds. They don’t refer to a ranking of weeds nor to the severity of weed infestations. So, around 30 colleagues met at the Czech University of Life Sciences on May 14th in Prague to get a first overview of weed mapping




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activities in Europe. They discussed aspects of different interest groups: mapping of weeds on arable land, on non-arable land, rare weeds, invasive weeds. Twelve oral and two poster presentations were provided. After a general introduction by Hansjörg Krähmer, three Czech scientists, Samuel Lvoncik, Michaela Necasova and Pavel Hamouz described their programs which use Turboveg for Windows, a freeware provided by the Masaryk University of Brno. All Czech relevés are based on the Brown-Blanquet scale. Istvan Dancza and Guyula Pinke reported on the long lasting experience with weed surveys in Hungary. Hungarian groups have especially concentrated on invasive weeds such as Ambrosia artemisiifolia, Iva xanthiifolia or Asclepias syriaca recently. Weed surveys use more than 200 defined sites to guarantee continuity. More than 2000 relevés were produced between 1947 and 2008. Maria Zajac explained Polish activities and referred to the ATPOL database and the Flora Cracowiensis Secunda where 1547 species are recorded. Albinas Auskalnis introduced the audience to Lithuanian agriculture and to weed surveys dating back as far as 1957. Apparently, weed spectra have changed with agronomic practices. The Serbian activities were reviewed by Maja Meseldzija. GIS based recordings and maps produced with the Serbian Ambrosia Spot Marker software were presented. Terho Hyvönen is involved in a Finnish weed survey program that started recently. Plant density and seed bank studies are part of this project. Baruch Rubin discussed Israeli studies using Verbesina encelioides as a model species. ArcView 9.1 was used to prepare maps. He referred to Flora of Israel Online where data of weeds are available. Dario Massa and Martin Weis test different software packages and databases for the storage of geodata. One model project is the mapping of herbicide resistant weeds in Germany in cooperation with Proplanta. Bärbel Gerowitt summarized weed mapping activities of Rostock University in cooperation with BASF and Syngenta especially in oilseed rape. Finally, Bernd Laber from Bayer CropScience presented maps of herbicide resistant biotypes mapped with ArcGIS. Two posters by Michael Glemnitz on the methodology of assessing weeds were on display. The great interest of the group in more weed mapping information resulted in the proposal of establishing a new working group within the EWRS. Regional coordinators were proposed to involve more colleagues in the update of first existing maps: • T. Hyvönen and A. Auskalnis: Scandinavia and Baltic countries • J. Recasens+N.N.: Spain, Portugal, France and Italy • M. Zajac+A.Auskalnis: Poland, Belarus and Ukraine • S. Lvoncik+M.Necasova: Czech Republik, Slovenia, Slovakia and Austria • B. Rubin+N.N.: Israel, Turkey, Jordan, Egypt and Greece • Kristin Goerke: Germany, Benelux, Great Britain, Switzerland • Dancza+N.N.: Hungary, Romania and maybe Moldova • M. Meseldzija: Croatia, Bosnia, Montenegro and maybe Bulgaria

On May 15th, J. Soukup and his crew organised an interesting field trip with an overview on Czech cropping systems and important weeds.

Participants to the first ‘Weed Mapping Workshop’ held in Prague, Czech Republic, from 13 to 15 May

2009. Back to Content


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PPHHDD TTHHEESSIISS SSUUMMMMAARRYY

Competition between wheat cultivar and weeds in organic agriculture Federica Bigongiali, Land Lab, Scuola Superiore Sant’Anna, Pisa, Italy; [email protected]

The ability of wheat to compete against weeds is important in conventional grain production and even more important in organic grain production where producers have fewer and less-immediate strategies available for weed control. The aim of this PhD thesis was to characterize different wheat cultivar in terms of weed competitiveness and to test if their morphological and physiological traits could be related to this. In particular we tested if easy measurable traits like culm height and ground canopy cover at various growth stages could be enough to express the difference in competitiveness of wheat cultivar to compete against weeds. The field experiments were: • Two-year winter wheat in Mediterranean field trial: this experiment was carried out at the

Interdepartmental Centre for Agri-Environmental Research "E. Avanzi" (CIRAA) of the University of Pisa (Italy). We tested 20 cultivar of common wheat and 11 of durum wheat under organic agriculture. We found that in both common and durum wheat cultivar differ in terms of weed suppression. We observed also a difference between cultivar in terms of height and ground canopy cover. In common wheat both height and ground canopy cover were not related to weed suppression while in durum wheat we found a slight relation between ground canopy cover and weed suppression.

• Two-year pot trial: This pot trial was carried out at CIRAA. We studied in depth the competitive ability of two cultivar of common wheat Albachiara (high culm length) and Kalango (low culm length) against two common weeds in the area: Lolium multiflorum Lam. and Sinapis arvensis L.. In general both cultivar were more competitive than the weeds in pure stand and in mixture (Cb > 0). Albachiara had a competitive balance index (Cb) of 2.13 and was more competitive than the cultivar mixture and than Kalango alone (Cb of 1.92 and 1.53 respectively) (see also cover picture). Cultivar were more competitive when competing with S. arvensis than when grown with the weed mixture or with L. multiflorum alone. The cultivar mixture did not have a higher competitive ability than the mean of the two monocultures. In spite of this Kalango was more productive than Albachiara while the yield of the mixture was similar to the mean of the two cultivar when grown in pure stand.

• One year spring wheat in Danish field trial: This trial was carried out at the Research Centre Flakkebjerg. We tested four cultivar in monoculture, three two-component mixtures and one three-component mixture. In this case weeds were sown at the same time as spring wheat in order to standardize weed abundance. We did not find any significant difference between cultivar in terms of weed suppression. We found differences between cultivar in terms of the morpho-physiological traits measured but this was not related to weed suppression of cultivar or grain yield loss. There were significant differences between cultivar in terms of relative yield loss and Olandshvede had the lower yield loss (0.1 t ha-1) in competition. This means that it had a higher tolerance to weeds with respect to the other cultivar. The mixture had a relative yield loss similar to the mean of the two or three monoculture.

• Methodological study: We first compared three simple methods (visual estimate, point quadrate and supervised classification) for the estimate of vegetation cover through digital image analysis, to understand which of them gave more repeatable results, i.e. less dependent on operator's subjective value assignment. We did not find a significant difference between operators in case of visual estimate (P=0.784). We then tested the relative performance of two completely automated image analysis techniques based on image transformations (namely IV1V2 and Principal Components) frequently found in scientific literature. In this case IV1V2 gave a better performance respect to PC. There was a highly significant correlation (ρ=0.947) between IV1V2 and visual estimate , i.e. the two methods of the respective categories which gave best results. Although being very simple and potentially influenced by operator's skills, visual estimate always performed better in terms of repeatability. We conclude that visual estimate by experienced observers should be regarded as a standard tool in weed research experiments. Back to Content


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SSUUSSTTAAIINNAABBLLEE FFAARRMMLLAANNDD MMAANNAAGGEEMMEENNTT –– TTRRAANNSSDDIISSCCIIPPLLIINNAARRYY AAPPPPRROOAACCHHEESS

Book review by Camilla Moonen; EWRS Newsletter editor; [email protected] The book is divided in five sections which contain contributions by different authors: I: Scene-setting Sustainable Farmland Management II: Communities of Information and Knowledge III. Ethical Production and Protection IV: Practising System Thinking V: Political and Policy Frameworks What stroke me most in this book is that humans take a central place in all chapters: they are the scientists creating knowledge, they practice farming, they are consumers of the products thus produced, they are the policy makers who try to guide farming systems in a desired direction. By placing humans in a central position, there is no way we cannot feel responsible or concerned about what happens to our farmland. We are involved either as producer of knowledge, as producer of products and as a consumer. And in all these positions, we have a responsibility. By centring human society it becomes evident that existing conflicts between agriculture and rural landscapes are both caused by human actions and decisions, but at the same time, that the solutions for this crisis should be sought in human action and decision making through the development of sustainable farming systems. It also emphasises the importance of a participatory approach if we want the solutions to be truly sustainable. This book does not provide a simple list of farm management actions which are supposed to make farmland management more sustainable. It is not a recipe book. As such, it does not directly touch upon weed management solutions or in a broader sense, crop management solutions. But it offers very interesting views (with which one can agree or disagree) on the concept of sustainability and the importance of system thinking, and how all this is interwoven with society. These are aspects of concern to all weed scientists who, in some way or another, contribute to the development of new ideas and solutions for more sustainable farmland management. And may be we, as weed scientists, should redesign our research approaches and give the human component a more prominent position in our otherwise rather technical research programmes. May be in that way the solutions we propose will be better adapted to farmers’ needs and the constraints every day farming life puts to certain purely technical solution. This book aims at researchers and students in agriculture, rural studies, environmental management, geography, ecology and conservation.

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Sustainable Farmland Management – Transdisciplinary Approaches, 2008. Edited by: Robert Fish, Susanne Seymour, Charles Watkins, Michael Steven. Published by CABI. 288 pages ISBN: 978-1-84593-351-7 £75.00 /$150.00 /€120.00 http://www.cabi.org/



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SSOOFFTTWWAARREE FFOORR TTHHEE IIDDEENNTTIIFFIICCAATTIIOONN OOFF IINNVVAASSIIVVEE PPLLAANNTTSS IINN AAUUSSTTRRAALLIIAA..

Invasive plants threaten the natural environment and biodiversity of Australia, as well causing significant loses to agricultural production and negatively impacting on human health. The ENVIRONMENTAL WEEDS OF AUSTRALIA DVD is an interactive software product intended to serve as a comprehensive tool for the identification of weed species that invade natural habitats in this country. Recently published by the Centre for Biological Information Technology (CBIT) in the Faculty of Biological and Chemical Sciences, this product was developed here in the School of Land, Food and Crop Sciences as part of the Education Program of the former Cooperative Research Centre for Australian Weed Management. ENVIRONMENTAL WEEDS OF AUSTRALIA uses the Lucid3 software platform and contains a massive database of more than 1,000 invasive plant species. It offers detailed descriptions of these weeds, links to relevant website information, a search engine, a cross-linked glossary and thousands of full colour images. The resource was compiled by Dr. Sheldon Navie under the supervision of Assoc. Prof. Steve Adkins. This product, which took four years to develop, is the latest in a series of Lucid-based weed identification tools produced by Dr. Navie and Assoc. Prof. Adkins. It is the culmination of more than ten years of work, starting with a much smaller key to the Suburban and Environmental Weeds of south-east Queensland (published in 2002). These tools are used by a wide variety of land managers (e.g. bushcare and landcare groups, local and state government officers, farm managers and home gardeners) as well as students at university and high school level. For more information visit the CBIT website at: http://www.cbit.uq.edu.au/software/enviroweeds/. or contact Sheldon Navie at [email protected].

Environmental Weeds of Australia, 2008. S.C: Navie & S.W. Adkins. Produced and published by University of Queensland $ 59 http://www.cbit.uq.edu.au/software/enviroweeds/

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http://www.cbit.uq.edu.au/software/enviroweeds/


http://www.cbit.uq.edu.au/software/enviroweeds/


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CCAALLLL FFOORR CCOONNFFEERREENNCCEESS

1122TTHH IINNTTEERRNNAATTIIOONNAALL SSYYMMPPOOSSIIUUMM OONN ’’AAQQUUAATTIICC WWEEEEDDSS’’

Jyväskylä, Finland 24 – 28 August 2009

The 12th International Symposium on ‘Aquatic Weeds’ will be held in Jyväskylä, Finland, from 24 to 28 August 2009. The symposium is organised by the EWRS Working Group on Invasive Plants (coordinated by Christian Bohren), together with the Working Group on Macrophytes of the International Society on Limnology (SIL), and the Finnish Environment Institute (SYKE). The series of AW symposia started already in 1964 and the previous symposium was arranged in France in 2002. The purpose of the symposium is bringing together people who are involved in research, management, extension and practical uses of aquatic plants, in order to exchange results, experiences, and information. The target group consists of researchers, policy makers, and consultants involved in relationships between aquatic vegetation and the structure, functioning and diversity of aquatic ecosystems. Topics dealt with at the symposium are: • Aquatic invasions and their relation to environmental changes (main topic) • Biology of aquatic plants. • Indicator value of aquatic plants. • Management of aquatic vegetation in fresh as well as brackish waters. • Impact of invasive aquatic plant species on wetland functions. • Practical uses of aquatic plants. • Aquatic plants as biological quality elements of the EU water framework directive

The symposium website will provide you with general information on the conference and details on registration, accommodation and abstract submission. Information on the symposium will be updated from time to time and will appear regularly on the symposium website: http://www.environment.fi/syke/aw09. The EWRS has awarded five grants to young scientists to present a paper at the symposium. These grants include the registration fee and partially cover travelling and hotel/living costs. Looking forward to meeting you in Jyväskylä! Seppo Hellsten (Chairman Organising Committee) Christian Bohren (Chairman Scientific Committee) Arnold Pieterse (Conference coordinator) Picture: f.l.t.r. Arnold Pieterse, Christian Bohren, Seppo Hellsten and Jukka Salonen met in Jyväskylä to check the arrangements for the EWRS Symposium on Aquatic Weeds. No snow and ice expected in August !

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http://www.environment.fi/syke/aw09


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XXIIIIIITTHH IINNTTEERRNNAATTIIOONNAALL CCOONNFFEERREENNCCEE OONN WWEEEEDD BBIIOOLLOOGGYY

8 -10 September 2009 Dijon, France

The XIIIth International Conference on Weed Biology is organised by the working group on Biology, Ecology and Systematics of Weeds from AFPP – COLUMA with the participation of the European Weed Research Society and the UMR INRA-ENESAD-UB Biologie et Gestion des Adventices. Provisional Scientific Programme Five main topics are introduced by invited lectures, offered papers and posters:

• Gene flows; spread and management of invasive species • Interaction between organisms; ecology of weed communities • Herbicide resistances; management strategies • Alternative methods; integrated weed management • Plant communities in landscapes

The official languages will be French and English with a simultaneous translation during the sessions. Deadline for submission of abstracts was 15 February 2009. For any information contact Dr J. Gasquez, UMR Biologie et Gestion des Adventices, BP86510, 21065 Dijon Cedex, France. E-mail : [email protected]; Conference web site: http://www2.dijon.inra.fr/bga/conference2009

NNOOVVEELL AANNDD SSUUSSTTAAIINNAABBLLEE WWEEEEDD MMAANNAAGGEEMMEENNTT IINN AARRIIDD AANNDD SSEEMMII--AARRIIDD AAGGRROO--EECCOOSSYYSSTTEEMMSS

7-10 September 2009 Santorini, Greece

The 2nd International Conference on ‘Novel and sustainable weed management in arid and semi-arid agro-ecosystems’ will take place in Santorini, Greece from 7 to 10 September 2009 and is organised by the EWRS Working Group Weed Management in Arid and Semi-Arid Climate. The aim of the conference is to establish a forum of weed scientists involved in research in weed biology, distribution and management in arid and semi-arid agriculture. A wide variety of topics will be covered during the symposium. A tentative list of subjects is: 1. Weed biology, ecology and modelling 2. Invasive weeds: biology, control and quarantine regulations 3. Integrated weed management in arid and semi arid farming systems: dry-land crops and irrigated crops. 4. Cultural, physical and biological weed practices 5. Parasitic weeds 6. Herbicide resistant weeds and crops 7. Herbicide behaviour in soils, bio-remediation and methyl bromide alternatives 8. Biotechnology and molecular biology in weed science 9. Application methods and formulations A Special Workshop will be held on ‘Direct and indirect effects of climatic changes on weed occurrence’. Further information can be found in the website: www.ewrs.org/arid/default.asp For any queries and more information on the conference, please contact the Organizing Committee at: Dr. Garifalia Economou [email protected] or Dr. Ilias Travlos [email protected]


http://www2.dijon.inra.fr/bga/conference2009

http://www.ewrs.org/arid/default.asp




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BBCCPPCC CCOONNGGRREESSSS 22000099

9 – 11 November 2009 Scottish Exhibition & Conference Centre, Glasgow, United Kingdom

The British Crop Production Council (BCPC) and Farmers Guardian is delighted to announce that the BCPC Congress will be returning to Glasgow this November. Work has begun on the two and half-day Congress and Exhibition which will see the return of the main event in the crop production and protection calendar. An important industry alliance has been formed between the BCPC and Farmers Guardian, and the two will partner the running of the world’s largest gathering of crop science and technology business professionals. This will see two leading businesses pooling their areas of expertise to benefit the global crop production and protection industry. We would like to invite you to share your thoughts with us on the Congress by completing a short survey. Your views will help us shape the agenda, content and format of the event. Let us know what crop production subjects you want to know more about; highlight any technical topics you find interesting; and highlight the challenges and opportunities keeping you awake at night. The survey should take no more than ten minutes of your time. In return for your efforts you will be entered into a draw to win one free delegate place at the congress. This will give the lucky winner free access to all the sessions they have helped create. Click here to complete the survey. Many thanks The BCPC Congress team (www.bcpccongress.com)

EEWWRRSS EEDDUUCCAATTIIOONN AANNDD TTRRAAIINNIINNGG WWOORRKKSSHHOOPP OONN TTHHEE FFRREEEE SSTTAATTIISSTTIICCAALL SSOOFFTTWWAARREE RR

Analysis of physical and chemical weed control data with linear and nonlinear regression models

5 November 2009 at 14:00 - 7 November 2009 at 12:00

Agricultural Institute of Slovenia, Ljubljana

Instructors: Jens Carl Streibig, Christian Ritz and Jesper Rasmussen Faculty of Life Sciences, University of Copenhagen

Description Weed science is a biological science and, because uncertainty happens, statistics must be used to determine how closely data corresponds to the working hypotheses. Whether you publish in international journals or at local meetings, you present effects of treatments, be they mechanical, biological or chemical control of weeds, and you are expected to present or at least to rely on statistical analyses to substantiate you results. If you have ever wondered when to use analyses of variance or regression analyses; and, if using regressions, whether it should be linear or nonlinear? Then this course is for you. We will try to answer these questions and provide you with guidelines on how to select scientifically and statistically sound analyses without using unnecessary statistical jargon.

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http://pro-sound.cmp-info.com/c/1gy2QQOFpKyucpqmXRl

http://pro-sound.cmp-info.com/c/1gy2QQOFpKyucpqmXRl

http://pro-sound.cmp-info.com/c/1gy2RE3EgyLNCVoJD4Y

http://www.bcpccongress.com/


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The course is based on using R which is a language and an environment for statistical computing and graphics. R is available as free software. It runs on a wide variety of UNIX platforms and similar systems (including FreeBSD and Linux), on Windows and on MacOS. R can be downloaded at http://cran.at.r-project.org. R documentation, manuals and even some textbooks are free and available in several languages, e.g. http://cran.r-project.org/doc/contrib/Paradis-rdebuts_en.pdf . In order to make R easier to use for weed scientists, the following “packages” for R will be used; agricolae (a general crop science package) and drc (which was developed for herbicide scientists and covers – nonlinear regressions models, – weed crop competition models and – dose-response curves. The nonlinear dose-response curves can be extended to other branches of weed science such as: allelopathy, flame weeding, weed steaming, physical control, laser cutting and radiation. The EWRS Education and Training working group will subsidise the two day stay in Ljubljana during the workshop for EWRS members. For non-members, the subsidy will be reduced by 55 EURO, which corresponds to the annual membership fee for the EWRS. In order to be considered you must download the application form URL: http://bioassay.dk/EWRS_Ljubljana/ fill it out and send to [email protected] not later than 1st of September 2009. The grants given will be based on first-come, first-served. The students must bring their own laptop, and it is highly recommended to bring own data to be analysed during the workshop. Kind regards Jens Carl Streibig, Professor of Weed Science University of Copenhagen Email: [email protected]

WWEEEEDD SSCCIIEENNCCEE AANNDD BBIIOODDIIVVEERRSSIITTYY IINN AA SSUUSSTTAAIINNAABBLLEE AAGGRRIICCUULLTTUURREE

10-13 November 2009 Lisbon, Portugal

Nowadays there is a tendency for more diverse systems that are sustainable in terms of resource conservation. Successful ecosystems include life at all levels in the food web. Weeds are primary producers within farming systems, with the role of supporting biodiversity: providing food for herbivores, cover, reproduction sits and structure within habitats. Weed flora has changed in past centuries all over Europe. Reduction in abundance of host plants may affect associated phytophagen insects and other taxa such as farmland birds and mammals. Most countries now are adopting and encouraging agronomic practices based on land conservation, integrated pest management, precision agriculture and also organic farming to cope with biodiversity. The development of these technologies requires close collaboration between weed scientists, entomologists and phytopathologists and is responsibility of Weed Research Societies to organize meetings and workshops to accomplished the incertitude and look for the solution of agronomic problems considering the sustainability of agro ecosystems while preserving biodiversity. The symposium will provide a forum for scientists to present their work on a broad range of weed science topics in the form of oral presentations and posters. A scientific excursion is planned for the second day of the Congress and participants are invited to enjoy sightseeing in the Lisbon region, after the meeting.

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http://cran.at.r-project.org/

http://cran.at.r-project.org/

http://cran.r-project.org/doc/contrib/Paradis-rdebuts_en.pdf

http://bioassay.dk/EWRS_Ljubljana/



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Executive Scientific Committee Edite Sousa and Maria dos Santos: [email protected] DPPF – Secção de Fitoecologia e Herbologia; Instituto Superior de Agronomia Tapada da Ajuda, 1349-017 Lisboa Registration To be registered at the Congress, participants will have to fill in the Registration Form at the Congress web page at http://www.mundiconvenius.pt/2009/herbologia/. Registration fee is €350 for a normal registration, €300 for SEMh or ALEM members, €125 for students, €400 for honory members and a daily pass costs €125. For any doubt, participants are requested to contact the Executive Secretariat: [email protected]

1155TTHH EEWWRRSS SSYYMMPPOOSSIIUUMM

12-15 July 2010 Kaposvár, Hungary

Invitation We have the great pleasure to announce that the 2010 EWRS Conference will take place in Kaposvár, Hungary. Kaposvár is located 190 km from Budapest, in Southern Hungary. Being the seat of Somogy county, Kaposvár has some 70.000 inhabitants and a favourable topographical location amid the various hills of the Transdanubian landscape, in the embrace of River Drava and Lake Balaton. The town can be reached both on the main roads Nr. 61 and 67 and by the frequent train connection from Budapest. The conference will be held in the campus of the youngest higher educational institutions in Hungary, established in 2000. Kaposvár University is a modern, dynamic and innovative institution situated in a lively and beautiful environment. Please join us for a rewarding scientific program and an exciting and memorable social experience! Local Organiser Gabriella Kazinczi DSc; EWRS national representative; Kaposvár University; [email protected] Venue Kaposvár University Guba S. str. 40, H-7400 Kaposvár, Hungary Abstract Authors are kindly encouraged to submit a short summary (250 words) of their intended contributions together with the preliminary registration, through the Symposium official website. Contributions will be refereed and published in the Proceedings, which will be available at the Symposium. Scope of the Symposium Offers of papers in all areas of weed science (crop and non-crop situations) are welcome. We also welcome contributions in current innovative and emerging areas, including research methodologies and environmental aspects. Workshops A number of workshops on specific topics of weed science will be organised as satellite meetings. The EWRS Working Group Education and Training will organise a workshop on “How to write a paper for a scientific journal”. If you have a suggestion for workshop topics, please contact the Symposium Secretariat.

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http://www.mundiconvenius.pt/2009/herbologia/



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Sponsors & Exhibition Space on the official website and in all official documents is available to interested companies and institutions. Desks or stands for material exhibition will be available to interested companies at the Symposium venue. Please contact the Symposium Secretariat for further information. Important Dates September 15, 2009 • Submission of preliminary abstracts (max 250 words). • Release of call for junior scientists subsidy. Preliminary • Registration

November 15, 2009 • Communication of paper acceptance and definition of preliminary programme. • Registration opens

January 15, 2010 • Submission of abstracts to session organisers for review. • Deadline for early bird registration. • Submission of applications for junior scientists subsidy. • Release of 2nd circular with detailed programme

March 15, 2010 • Submission of revised one-page text abstracts

March 31, 2010 • Deadline for standard registration. Communication of junior scientists subsidies to awardees

July 12-15, 2010 • 15th EWRS Symposium

Symposium Secretariat Kaposvár University, Public Relations and Events Office & ASSZISZTENCIA Congress Bureau: [email protected] Pre-registration You are invited to pre-register by 15 September 2009 at the official Symposium websites: www.ewrs.org; www.asszisztencia.hu/ewrs

AASSSSOOCCIIAATTIIOONN OOFF AAPPPPLLIIEEDD BBIIOOLLOOGGIISSTTSS CCOONNFFEERREENNCCEESS

More information can be found on the following website: www.aab.org.uk/contentok.php?id=184&basket=wwsshowconflist

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http://www.asszisztencia.hu/ewrs

http://www.aab.org.uk/contentok.php?id=184&basket=wwsshowconflist


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UUPPCCOOMMIINNGG CCOONNFFEERREENNCCEESS AANNDD WWOORRKKSSHHOOPPSS

10TH INTERNATIONAL CONFERENCE ON THE ECOLOGY AND MANAGEMENT OF ALIEN PLANT INVASIONS (EMAPI) 23-27 August 2009

Stellenbosch, South Africa. D. Richardson; [email protected]

12TH INTERNATIONAL SYMPOSIUM ON ’AQUATIC WEEDS’ 24-28 August 2009 Jyväskylä, Finland


XIIITH INTERNATIONAL CONFERENCE ON WEED BIOLOGY 8 -10 September 2009

Dijon, France www2.dijon.inra.fr/bga/conference2009

NOVEL AND SUSTAINABLE WEED MANAGEMENT IN ARID AND SEMI-ARID AGRO-ECOSYSTEMS 7 -10 September 2009

Santorini, Greece www.ewrs.org/arid/default.asp

IOBC/WPRS WORKING GROUP, PESTICIDES AND BENEFICIAL ORGANISMS 7-9 October 2009 Dubrovnik, Croatia

B. Baric; [email protected].

INTERNATIONAL CONGRESS ON BIOLOGICAL INVASIONS 2-6 November 2009

Fuzhou, China www.icbi2009.org

EWRS EDUCATION AND TRAINING WORKSHOP ON THE FREE STATISTICAL SOFTWARE R 5-7 November 2009 Ljubljana, Slovenia

http://bioassay.dk/EWRS_Ljubljana/ / C.J. Streibig: [email protected]

BCPC CONGRESS 2009 9-11 November 2009 Glasgow, Scotland

www.bcpccongress.com

WEED SCIENCE AND BIODIVERSITY IN A SUSTAINABLE AGRICULTURE 10-13 November 2009

Lisbon, Portugal http://www.mundiconvenius.pt/2009/herbologia/

[email protected]

CANADIAN WEED SCIENCE SOCIETY ANNUAL MEETING 24-26 November 2009 Charlottetown, Canada

J. Ivany; [email protected]



http://www.ewrs.org/arid/default.asp


http://www.icbi2009.org/

http://bioassay.dk/EWRS_Ljubljana/


http://www.bcpccongress.com/

http://www.mundiconvenius.pt/2009/herbologia/




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INTERNATIONAL CONFERENCE ON POSITIVE PLANT MICROBIAL INTERACTIONS IN RELATION TO PLANT PERFORMANCE AND ECOSYSTEM FUNCTION

15-16 December 2009 The Olde Barn Hotel, Grantham, Lincs, UK

http://www.aab.org.uk/contentok.php?id=86&basket=wwsshowconfdets

15TH EWRS SYMPOSIUM 10-15 July 2010

Kaposvár, Hungary www.ewrs.org; www.asszisztencia.hu/ewrs; [email protected]

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http://www.asszisztencia.hu/ewrs


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EEDDIITTOORRIIAALL

IINNSSTTRRUUCCTTIIOONNSS FFOORR CCOONNTTRRIIBBUUTTOORRSS

Deadline for contributions to be published in the following Newsletter issue:

1 October 2009 Photographic images It is possible to include photographic material. Photographs can be processed and scanned. Pictures can be sent as negatives, positives (slides with and without frames) and as original pictures. The easiest to handle are digital pictures, which can be reproduced of a higher quality within the Newsletter. Please make sure that these images are taken at no less than 300 dpi otherwise the picture quality drops. Questions If you have any problems in writing or formatting your article, please do not hesitate to contact me. I’ll be happy to assist you. As Technical Editor of the Newsletter, I prepare the final layout of the Newsletter prior to publishing. You can contact me by sending an E-mail to [email protected] / [email protected] or by calling me at +39 050 883567. I’m looking forward to receiving your contributions. Camilla Moonen.

CCHHAARRGGEESS FFOORR AADDVVEERRTTIISSIINNGG MMAATTEERRIIAALL IINN TTHHEE NNEEWWSSLLEETTTTEERR

Advertisements in the Newsletter The rate for an advertisement in all four editions of a year is € 400,00 / year / page. Reductions can be negotiated with the Newsletter editor for half page adverts. Maximum 4 pages of adverts in each issue.

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EEWWRRSS BBOOAARRDD 22000088 –– 22000099

President 2008-2009

Hr. Per KUDSK University of Aarhus Dept of Integrated Pest Management Forsøgsvej 1 DK-4200 SLAGELSE

T + 45 8999 1900 [email protected]

Vice President 2008-2009

Dr. HansJoerg KRÄHMER BayerCropSciences AG Industriepark Hoechst H 872 D-65926 Frankfurt am Main

T +49 69 305 2732 F +49 69 305 7342 [email protected]

Past President 2008-2009

Dr. Marco QUADRANTI Via Fontana CH-6874 CASTEL S. PIETRO

T +41 91 646 59 54 [email protected]

Secretary 2008-2011

Dr. Andrej SIMONCIC Agricultural Institute of Slovenia Hacquetova 17 SI-1000 Ljubljana

T +386 1 280 52 20 T +386 1 280 52 22 [email protected] www.kis.si

Treasurer 2008-2011

Drs. Ben POST EWRS Membership Office Postbus 28 NL-6865 ZG DOORWERTH

F + 31 26 3706896 [email protected]

Scientific Secretary 2006-2009

Prof. Dr. Paolo BÀRBERI Land Lab Scuola Superiore Sant' Anna Piazza Martiri della Libertà 33 I-56127 PISA

T + 39 050 883 525 F + 39 050 883 526 [email protected]

Membership Officer Drs. Ben POST EWRS Membership Office Postbus 28 NL-6865 ZG DOORWERTH

F + 31 26 3706896 [email protected]

Additional Members 2006-2009

Dr. rer. nat. Thomas EGGERS Am Beek 7 D-38108 BRAUNSCHWEIG

T + 49 5309 5858 F + 49 5309 5858 [email protected]

2006-2009 Dr. Jukka SALONEN MTT Agrifood Research Finland Plant Protection FIN-31600 JOKIOINEN


2008-2011 Prof. Dr. Bärbel GEROWITT University of Rostock Institute for Land Use Satower Str. 48 D-18051 ROSTOCK


2008-2011 Dr. Gabriella KAZINCZY Pannon University / Institute for Plant Protection Deák F str. 16 HU-8361 KESZTHELY


WEED RESEARCH Chairman Editorial Board

Dr Andrea GRAHAM National Farmers' Union Agriculture House, Stoneleigh Park GB-STONELEIGH CV8 2LZ

T + 44 24 7685 8534 F + 44 24 7685 8535 M + 44 781 367 0645 [email protected]

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mailto:Uth.Eggers@gmail.




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EEWWRRSS SSCCIIEENNTTIIFFIICC CCOOMMMMIITTTTEEEE

Chairman / EWRS Vice-President 2008-2009

Dr. HansJoerg KRÄHMER BayerCropSciences GmbH Institute of Herbicide Research and Phytoregulators Industriepark Hoechst H 872 D-65926 Frankfurt am Main


Scientific Secretary 2006-2009

Prof. Dr. Paolo BÀRBERI Land Lab, Scuola Superiore Sant' Anna Piazza Martiri della Libertà 33 IT-56127 PISA


EWRS President 2008-2009

Hr. Per KUDSK University of Aarhus Dept of Integrated Pest Management Forsøgsvej 1 DK-4200 SLAGELSE


The EWRS SciCom in action (Osijek, Croatia, 13 September 2008) (Pictures by Paolo Bàrberi)

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EEWWRRSS WWOORRKKIINNGG GGRROOUUPPSS

Biological Control of Weeds Dr. Paul HATCHER The University of Reading, School of Biological Sciences, Plant Science Laboratories GB-READING RG6 6AS


Crop / Weed Interactions Dr. Lammert BASTIAANS Wageningen University, Dept. Crop and Weed Ecology Postbus 430 NL-6700 AK WAGENINGEN


Education and Training Prof. Dr. Jens Carl STREIBIG University of Copenhagen Faculty of Life Science, Department of Agricultural Sciences Hoejbakkegaard Allé 13 DK-2630 TAASTRUP

T +45 35 28 34 57 F +45 35 28 34 60 [email protected]

Germination and Early Growth Hr. Ilse Ankjær RASMUSSEN University of Aarhus Dept of Integrated Pest Management Forsøgsvej 1 DK-4200 SLAGELSE


Herbicide Resistance Ms. Anne THOMPSON Dow AgroSciences Latchment Court, Brand Street GB-HITCHIN , Herts, SG5 1NH


Invasive Plants Mr Christian BOHREN Research Station Agroscope Changins-Wädenswil (ACW) P.O. Box 1012 CH-1260 NYON 1

T + 41 22 363 44 25 F + 41 22 363 43 94 [email protected]

Optimisation of Herbicide Dose Hr. Per KUDSK University of Aarhus, Dept of Integrated Pest Management Forsøgsvej 1 DK-4200 SLAGELSE


Parasitic Weeds Dr. Maurizio VURRO Istituto di Scienze delle Produzioni Alimentari – CNR Via Amendola 122/O IT-70125 BARI


Physical and Cultural Weed Control Hr. Bo MELANDER University of Aarhus, Dept of Integrated Pest Management Forsøgsvej 1 DK-4200 SLAGELSE


Site-Specific Weed Management Prof. Dr. Svend CHRISTENSEN Inst. of Chemical Eng., Biotechnology and Environmental Tech. University of Southern Denmark Niels Bohrs Allé 1 DK-5230 ODENSE M


Weed Management Systems in Vegetables Prof. Dr. Francesco TEI University of Perugia, Dept. of Agricultural and Environmental Sciences Borgo XX Giugno 74 IT-06121 PERUGIA

T + 39 075 585 63 20 F + 39 075 585 63 44 [email protected]

Weeds and Biodiversity Prof. Dr. Bärbel GEROWITT University of Rostock, Insitute for Land Use Satower Str. 48 DE-18051 ROSTOCK


Weed Management in Arid and Semi-Arid Climate

Prof. Dr. Baruch RUBIN Hebrew University of Jerusalem Faculty of Agricultural, Food and Environmental Sciences RH Smith Inst. Plant Sci. & Genetics I-761000 REHOVOT


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