DR . SA R A H J. PE T H Y BRID G E

Current Position: Assistant Professor (Vegetable Pathology) Cornell University Department of Plant Pathology and Plant-Microbe Biology New York Agricultural Experiment Station 630 West North Street GENEVA NY 14456 UNITED STATES OF AMERICA Phone: (315) 787-2417 FAX: (315) 787-2389 E-mail: sjp277@cornell.edu Honorary Appointments: Honorary Associate Professor (The University of Melbourne, Australia; 2011 +) Honorary Associate Professor (Lincoln University, New Zealand; 2014 +) SPE C I A L I Z A T I O NS A ND A R E AS O F IN T E R EST : Academic appointment: 60% research; 40% extension Specialities:

Soilborne vegetable pathology (fungi and nematodes); Quantitative epidemiology and ecology; Crop Loss and Risk Evaluation; Extension Disease Management; and Biometrics

E DU C A T I O N:

Ph.D . in Plant Pathology, 2000, University of Tasmania, Australia Dissertation: Epidemiology of viruses infecting hop in Australia.

B . Agr .Sc. (F irst C lass Honours), 1996, University of Tasmania.

Honours Dissertation: Ray blight of pyrethrum.

PR O F ESSI O N A L E XPE RI E N C E : 1999 2008 Senior Research F ellow (Plant Pathology) Tasmanian Institute of Agriculture

University of Tasmania Cradle Coast campus, Burnie

2009 2012 Agricultural Research and Development Manager Industry Development Manager Botanical Resources Australia Agricultural Services Pty. Ltd. 2011 - 2014 Director , Proof Scientific Editing Services (www.proofses.com.au) 2013 - 2014 Science G roup L eader (F ield C rops) The New Zealand Institute for Plant & Food Research Limited Lincoln, Christchurch A W A RDS:

1994: Award for Highest Academic Achievement in Animal Physiology and Nutrition - Agristock Rural Supplies Award

1995: Wesfarmers-Dalgety National Scholarship in Agriculture.

This scholarship was one of ten awarded throughout Australia.

1995: Winner of Wesfarmers-Dalgety - Australian Institute of Agricultural Science National Student Forum (Agri-Industry Section). Placed second.

1996: Young Australian of the Year Award (Tasmania) Finalist.

1997: Young Australian of the Year Award (Tasmania) Science.

1998: Listed on the Australian Farm Journal Top 100 Agriculturists under 35.

1998:

1999: Travel Grant from the Royal Society of Edinburgh

o Recipient of an International Society of Plant Pathology Assistance Fund for Scientists under 30 to attend and present research at the 7th International Congress of Plant Pathology in Edinburgh, United Kingdom.

1999: Travel Grant from American Phytopathological Foundation and Rural

Industries Research and Development Corporation. o Attendance and presentation of research at the Joint American/Canadian

Phytopathological Society Conference in Montreal, Canada. Selected as idemiology and

2000: Australian Academy of Science Young Career Researcher Exchange Program. Visiting researcher based at Washington State University at Prosser, USA.

2001: Australian Post-Doctoral (Industry) Award from Australian Research Council to fund research program on diseases of pyrethrum beginning in 2002.

2002: Agriculture, Fisheries and Forestry Award Tasmanian State Award to

conduct risk analyses of viruses and viroids to the Tasmanian pyrethrum industry.

2003: Australian Institute of Agricultural Science and Technology Young

Professionals in Agri-Industry National Award.

2004: University of Tasmania Foundation Award for Outstanding Graduates.

2004: Teaching Merit Certificate for Introductory Plant Pathology Course at the University of Tasmania (in combination with A/Prof. Calum Wilson).

2004: Teaching Merit Certificate for individual contribution to Introductory

Plant Pathology.

2010: American Phytopathological Society Syngenta Award This award is given by Syngenta Crop Protection to an APS member for an outstanding recent contribution to teaching, research, or extension in plant pathology, within the first decade of their PhD.

T E A C H IN G: 2000 2008. Introductory Plant Pathology (Industry). Tasmanian Institute of Agriculture, Department of Agricultural Science, University of Tasmania Cradle Coast campus. 2002 - 2004. C rop H ealth Management. Department of Agricultural Science, University of Tasmania, Hobart campus. 2004. Introductory Plant Pathology. Department of Agricultural Science, University of Tasmania, Hobart campus.

Course material: diseases and pathogens; epidemiology; mycology and nematology.

Awarded T eaching Merit Certificate (nominated by students). Introductory Plant Pathology course also awarded a T eaching Merit

Certificate (in conjunction with A/Prof. Calum Wilson). T E A C H IN G A ND SUPE R V ISI O N (G R A DU A T E ST UD E N TS): (Thesis title; year; institution; degree)

1. Epidemiology and the development of risk assessment models for the management of Tomato spotted wilt virus (TSWV) in potatoes. 2005. University of Tasmania. PhD.

2. Epidemiology of Potato virus S and Potato virus X in seed potato in Tasmania, Australia. 2007. University of Tasmania. PhD.

3. Modelling the effect of frost on pyrethrum Honours project. 2009. University

of Tasmania. Honors.

4. Molecular characterisation of viruses infecting hop in Australia. 2010. University of Tasmania. PhD.

5. Characterisation of cultural, biological and molecular variability of Phoma ligulicola isolates associated with ray blight disease of pyrethrum and chrysanthemum. 2010. University of Tasmania. PhD.

6. Characterising stress caused by waterlogging in pyrethrum Honours project.

2011. The University of Melbourne. Honors.

7. The risks of producing pyrethrum in the Ballarat region of Victoria. 2011. The University of Melbourne. Industry Project.

8. Population genetics of Sclerotinia spp. associated with disease in pyrethrum.

2011. University of Tasmania. Honors.

9. Management of Sclerotinia crown rot management in pyrethrum. 2011. University of Tasmania. Honors.

10. Anthracnose disease of pyrethrum. 2012. The University of Melbourne. Masters.

11. Epidemiology and management of flower diseases of pyrethrum. 2012.

University of Tasmania. PhD.

12. Epidemiology and management of walnut blight. PhD. University of Tasmania. 2012.

13. Population genetics of the pyrethrum ray blight pathogen. Anticipated 2014.

The University of Melbourne. PhD.

14. Understanding the genetic structure of Microsphaeropsis tanaceti within pyrethrum and the mechanisms for plant host resistance. Anticipated 2015. University of Tasmania. PhD.

15. Pre-plant risk assessments for quantifying damage in potato production in New York State. Anticipated 2020. Cornell University. PhD.

M E M B E RSH IP IN PR O F ESSI O N A L SO C I E T I ES:

o American Phytopathological Society (APS) o American Society of Agronomy o Crop Science Society of America o Agronomy Society of New Zealand o New Zealand Institute of Agricultural and Horticultural Science

PR O F ESSI O N A L E XPE RI E N C E : I have contributed significant service to the discipline including several editorial roles: Australia:

2001-02: Secretary/Treasurer of Australian Institute of Science and Technology (AIAST) Tasmanian Branch.

2004-08: Executive Committee Member AIAST (Tasmanian Branch).

2008-09: Regional Councillor for the Australasian Plant Pathology Society

(Tasmanian Division).

2009-12: Tasmanian Institute of Agriculture, University of Tasmania: Water Use Efficiency Advisory Committee.

2009-12: Primary Industry Centre for Science Education Advisory Committee

(Tasmania).

2010-11: CSIRO Scientists in Schools Program Advisory Committee (northern Tasmania).

International

2001-02: Vice-Epidemiology Committee.

2002-03: Chair of the APS Epidemiology Committee.

2004-09: APS Crop Loss Assessment and Risk Evaluation Committee.

2004: 1st ISHS International Humulus Symposium; Scientific Committee.

2006-07: Vice-Chair of the APS Crop Assessment and Risk Evaluation Committee.

2007-08: Chair of the APS Crop Loss Assessment and Risk Evaluation

Committee.

2008-09: 2nd ISHS International Humulus Symposium; Scientific Committee.

2011: ISHS International Pyrethrum Symposium; Scientific Committee.

2011-12: Vice-Chair of the APS Crop Assessment and Risk Evaluation Committee.

2012-13: Chair of the APS Crop Assessment and Risk Evaluation Committee.

E DI T O RI A L C O M M I T T E E ASSI G N M E N TS:

2004: 1st ISHS International Humulus Symposium; Scientific Committee (Senior Editor for Acta Horticulturae).

2005-09: Editor-in-Chief: APS Press for Compendium of Hop Diseases.

2006-09: Associate Editor: Plant Disease (journal published by APS Press).

2008-09: 2nd ISHS International Humulus Symposium; Scientific Committee

(Senior Editor for Acta Horticulturae).

2005-09: Editor-in-Chief: APS Press for Compendium of Hop Diseases.

2005-2010: Senior Editor: APSnet Education Centre; Advanced Topics Population Genetics/Epidemiology.

2010-12: Senior Editor: Plant Disease (journal published by APS Press).

2010-12: Editor, Plant Pathology (journal published by Wiley-Blackwell for the

British Society of Plant Pathology).

2013-16: Editor: Annual Review of Phytopathology. V ISI T IN G SC I E N T ISTS H OST E D: 1998 Dr. Jerry Uyemoto, USDA-ARS, California Ilarvirus biology. 1999 Dr. Jaroslav Polak, RICP, Prague, Czech Republic Virology. 2000 Professor Forrest Nutter and Dr. Paul Esker, Iowa State University, USA - Geophytopathology. 2002 Professor Bill Turechek, Cornell University, USA Disease epidemiology and

spatiotemporal modelling. 2003 Professor Forrest Nutter and Dr. Paul Esker, Iowa State University, USA

Geophytopathology. 2004 & 2007

Dr. Paul Esker Iowa State University, USA plant disease epidemiology/biometrics.

2007 & 2010-12

Dr. David Gent, United States Department of Agriculture Agricultural Research Services (USDA-ARS), Corvallis, Oregon, USA epidemiology and disease management (pyrethrum and bean pathology).

R E F E R E E D JO URN A L PUB L I C A T I O NS:

1. Pethybridge, S.J., & Wilson, C.R. 1998. Confirmation of ray blight disease of pyrethrum in Australia. Australasian Plant Pathology 27: 45-48.

2. Pethybridge, S.J., Wilson, C.R., Ferrandino, F.J., & Leggett, G.W. 1999. Spatial analysis of viral epidemics in Australian hop gardens. Plant Disease 84: 513-515.

3. Pethybridge, S.J., Wilson, C.R., Munro, D., Sherriff, L.J., & Leggett, G.W. 2000. Virus incidence in Australian hop (Humulus lupulus L.) gardens and cultivar differences in susceptibility to infection. Australian Journal of Agricultural Research 51: 685-690.

4. Wilson, C.R., Wilson, A., & Pethybridge, S.J. 2000. First record of tomato spotted wilt virus in common agapanthus. Plant Disease 84: 491.

5. Pethybridge, S.J., & Hay, F.S. 2001. Influence of Phoma ligulicola on yield and site factors on disease development in Tasmanian pyrethrum crops. Australasian Plant Pathology 30: 17-20.

6. Pethybridge, S.J., Hay, F.S., Wilson, C.R., Sherriff, L.J., & Leggett, G.W. 2001. First report of Fusarium crookwellense causing tip blight on cones of hop. Plant Disease 85: 1208.

7. Pethybridge, S.J., Hay, F.S., Wilson, C.R., Sherriff, L.J., & Leggett, G.W. 2001. First report of infection of hop cones by Alternaria alternata in Australia. Plant Disease 85: 804.

8. Pethybridge, S.J., Wilson, C.R., Hay, F.S., Leggett, G.W., & Sherriff, L.J. 2002. Effect of viruses on agronomic and brewing characteristics of four hop (Humulus lupulus L.) cultivars in Australia. Annals of Applied Biology 140: 97-105.

9. Pethybridge, S.J., Nelson, M.E., Eastwell, K.C., Klein, R.E., Kenny, S.T., & Wilson, C.R. 2002. Incidence and spatial distribution of viruses in hop gardens in Washington. Plant Disease 86: 661-665.

10. Pethybridge, S.J., Hay, F.S., Wilson, C.R., Leggett, G.W., & Sherriff, L.J. 2002. Mechanical transmission of Apple mosaic ilarvirus in Australian hop gardens. Annals of Applied Biology 141: 77-85.

11. Pethybridge, S.J., & Turechek, W.W. 2003. Associations among viruses infecting hop in Australia. Plant Pathology 52: 158-167.

12. Pethybridge, S.J., & Madden, L.V. 2003. Analysis of Spatio-temporal Dynamics of Virus Spread in an Australian Hop Garden by Stochastic Modeling. Plant Disease 87: 56-62.

13. Uyemoto, J.K., Bulluck, L.R. III., Pethybridge, S.J., McCorkell, B., & Asai, W.K. 2003. Horizontal spread of ilarviruses in young trees of several peach cultivars. Plant Disease 87: 75-77.

14. Pethybridge, S.J., Nelson, M.E., & Wilson, C.R. 2003. Forecasting climate suitability of Australian-hop growing regions for establishment of hop powdery and downy mildews. Australasian Plant Pathology 32: 493-497.

15. Hay, F.S., & Pethybridge, S.J. 2003. Nematodes associated with hop production in Australia. Journal of Phytopathology 151: 369-375.

16. Pethybridge, S.J., Hay, F.S., & Groom, T. 2003. Seasonal fluctuations in fungi associated with pyrethrum foliage in Tasmania. Australasian Plant Pathology 32: 223-230.

17. Crowle, D.R., Pethybridge, S.J., Leggett, G.W., Sherriff, L.J., & Wilson, C.R. 2003. Diversity of the coat protein coding region among ilarvirus isolates infecting hop in Australia. Plant Pathology 52: 655-662.

18. Pethybridge, S.J., Scott, J.B., & Hay, F.S. 2004. Genetic relationships among isolates of Phoma ligulicola from pyrethrum and chrysanthemum based on ITS sequences and its detection by PCR. Australasian Plant Pathology 33: 173-181.

19. Pethybridge, S.J., & Wilson, C.R. 2004. A survey for viruses and a viroid in Tasmanian pyrethrum crops. Australasian Plant Pathology 33: 301-303.

20. Pethybridge, S.J., Hay, F.S., & Wilson, C.R. 2004. Pathogenicity of fungi commonly isolated from foliar disease in Tasmanian pyrethrum crops. Australasian Plant Pathology 33: 441-444.

21. Chilvers, M.I., Pethybridge, S.J., Hay, F.S., & Wilson, C.R. 2004. Characterisation of Botrytis species associated with neck rot of onion in Australia. Australasian Plant Pathology 33: 29-32.

22. Pethybridge, S.J., Wilson, C.R., & Leggett, G.W. 2004. Incidence and effect of viruses on production of two newly adopted hop (Humulus lupulus) cultivars in Australia. Australian Journal of Agricultural Research 55: 765-770.

23. Pethybridge, S.J., Madden, L.V., Griggs, J., & Wilson, C.R. 2004. Species composition and abundance of aphids in Australian hop gardens and their impact on spatiotemporal patterns of carlavirus epidemics. Plant Pathology 53: 498-507.

24. Pethybridge, S.J., Esker, P., Hay, F.S., Wilson, C.R., & Nutter, F.W. Jr. 2005. Spatiotemporal description of epidemics caused by Phoma ligulicola in Tasmanian pyrethrum fields. Phytopathology 95: 648-658.

25. Pethybridge, S.J., for viruses in oilseed poppy in Tasmania. Australasian Plant Pathology 34: 611-613.

26. Pethybridge, S.J. 2005. Epidemiology and management of viruses of hop in Australia. Acta Horticulturae 668: 131-142.

27. Pethybridge, S.J., Hay, F.S., Wilson, C.R., & Groom, T. 2005. Development of a fungicide-based management strategy for foliar disease caused by Phoma ligulicola in Tasmanian pyrethrum fields. Plant Disease 89: 1114-1120.

28. Hay, F.S., & Pethybridge, S.J. 2005. Nematodes associated with carrot production in Tasmania, Australia and the effect of Pratylenchus crenatus on yield and quality of Kuroda type carrot. Plant Disease 89: 1175-1180.

29. Pethybridge, S.J., Hay, F.S., Jones, S., Wilson, C.R., & Groom, T. 2006. Seedborne infection of pyrethrum by Phoma ligulicola. Plant Disease 90: 891-897.

30. Lambert, S.J., Hay, F.S., Pethybridge, S.J., & Wilson, C.R. 2007. Spatiotemporal spread of Potato carlavirus S and Potato potexvirus X in seed potato in Tasmania, Australia. Plant Health Progress (doi:10.1094/PHP-2007-0726-07-RS).

31. Jones, S.J., Pethybridge, S.J., Hay, F.S., Groom, T., & Wilson, C.R. 2007. Baseline sensitivity of Australian Phoma ligulicola isolates from pyrethrum to azoxystrobin and difenoconazole. Journal of Phytopathology 155: 377-380.

32. Pethybridge, S.J., Esker, P.D., Dixon, P., Hay, F.S., Groom, T., Wilson, C.R., & Nutter, F.W. Jr. 2007. Quantifying loss caused by ray blight disease in Tasmanian pyrethrum fields. Plant Disease 91: 1116-1121.

33. Pethybridge, S.J., Hay, F.S., Esker, P.D, Wilson, C.R., & Nutter, F.W. Jr. 2007. Use of a multispectral radiometer for non-invasive assessments of foliar disease caused by ray blight in pyrethrum. Plant Disease 91: 1397-1406.

34. Pethybridge, S.J., Hay, F.S., Esker, P.D., Wilson, C.R., & Nutter, F.W. Jr. 2008. Visual and radiometric assessments for yield losses caused by ray blight in pyrethrum. Crop Science 48: 343-352.

35. Pethybridge, S.J., Hay, F.S., Barbara, D.J., Eastwell, K.C., & Wilson, C.R. 2008. Viruses and Viroids Infecting Hop: Significance, Epidemiology and Management. Plant Disease 92: 324-338 (IN V I T E D F E A T UR E A R T I C L E).

36. Pethybridge, S.J., Hay, F.S., Groom, T., & Wilson, C.R. 2008. Improving the fungicide-based management program for ray blight disease in Tasmanian pyrethrum fields. Plant Disease 92: 887-895.

37. Pethybridge, S.J., Hay, F.S., Clarkson, R.A., Groom, T., & Wilson, C.R. 2008. Host range of Australian Phoma ligulicola var. inoxydablis isolates from pyrethrum. Journal of Phytopathology 156: 506-508.

38. Pethybridge, S.J., Jones, S.J., Shivas, R., Hay, F.S., & Wilson, C.R. 2008. Tan spot: A new disease of pyrethrum caused by risk factors for ray blight in Tasmanian pyrethrum fields. Plant Pathology 57:1058-1065.

39. Pethybridge, S.J., Hay, F.S., Esker, P.D., Gent, D.H., Wilson, C.R., Groom, T., & Nutter, F.W. Jr. 2008. Diseases of Pyrethrum in Tasmania: Challenges and Prospects for Management. Plant Disease 92: 1260-1272 (IN V I T E D F E A T UR E A R T I C L E).

40. Hay, F.S., Stirling, G.R., Pethybridge, S.J., & Chung, B. 2009. A survey of nematodes associated with pyrethrum in Tasmania and the susceptibility of pyrethrum cultivars to lesion nematode. Australasian Plant Pathology 38: 1-5.

41. Pethybridge, S.J., McGee, P., & Hamilton, P. 2009. Hop stunt decline: A disease or disorder of unknown aetiology in Australian hop yards. Online. Plant Health Progress doi:10.1094/PHP-2009-0116-01-RS.

42. Pethybridge, S.J., Gent, D.H., Esker, P.D., Turechek, W.W, Hay, F.S., & Nutter, F.W. Jr. 2009. Site-specific risk factors for ray blight in Tasmanian pyrethrum fields. Plant Disease 93: 229-237.

43. Pethybridge, S.J., Fletcher, J.D., Hay, F.S., & Beatson, R.A. 2009. Prevalence and Incidence of Viruses in New Zealand Hop Gardens. New Zealand Journal of Crop and Horticultural Science 37: 235-241.

44. Pethybridge, S.J., Ngugi, H.K., & Hay, F.S. 2010. Use of survival analysis to assess management options for ray blight in Australian pyrethrum fields. Plant Pathology 59: 480-491.

45. Pethybridge, S.J., Hay, F.S., & Gent, D.H. 2010. Characterization of the spatiotemporal attributes of Sclerotinia flower blight epidemics in a perennial pyrethrum pathosystem. Plant Disease 94: 1305-1313.

46. Gent, D.H., de Wolf, E., & Pethybridge, S.J. 2011. Perceptions of risk, risk aversion, and barriers to adoption of decision support systems and integrated pest management. Phytopathology 101: 640-64 (IN V I T E D M A NUSC RIPT).

47. Pearce, T.L., Scott, J.B., & Pethybridge, S.J. 2011. First report of a 16SrII-D -broom

disease in Australia. Plant Disease 95: 773. 48. Pethybridge, S.J., Gent, D.H., & Hay, F.S. 2011. Epidemics of ray blight on

pyrethrum are linked to seed contamination and overwintering inoculum of Phoma ligulicola var. inoxydabilis. Phytopathology 101: 1112-1121.

49. Jones, S.J., Gent, D.H., Pethybridge, S.J., & Hay, F.S. 2011. Spatial characteristics of white mould epidemics and the development of sequential sampling plans in Australian bean fields. Plant Pathology 60: 1169-1182.

50. Jones, S.J., Pethybridge, S.J., Gent, D.H., & Hay, F.S. 2011. Sensitivity of Australian Sclerotinia sclerotiorum isolates from bean fields to boscalid. New Zealand Journal of Crop and Horticultural Science 39: 203-207.

51. Jones, S.J., Hay, F.S., Harrington, T.C., & Pethybridge, S.J. 2011. First Report of Boeremia Blight Caused by Boeremia exigua var. exigua on Pyrethrum in Australia. Plant Disease 95: 1478.

52. Lambert, S.J., Scott, J.B., Pethybridge, S.J., & Hay, F.S. 2012. Strain characterization of Potato virus S isolates from Tasmania, Australia. Plant Disease 96: 813-819.

53. Pethybridge, S.J., Scott, J.B., Latham, R., & Hay, F.S. 2012. Evidence against the Phoma ligulicola var. inoxydablis population undergoing recombination or containing spatial structure in Australian pyrethrum fields. Plant Disease 96: 746-751.

54. Jones, S.J., Gent, D.H., Pethybridge, S.J., & Hay, F.S. 2012. Site-specific risk factors of white mould epidemics in bean (Phaseolus vulgaris) in Tasmania, Australia. New Zealand Journal of Crop and Horticultural Science 40: 147-159.

55. Vaghefi, N., Pethybridge, S.J., Ford, R., Nicolas, M.E., Crous, P.W., & Taylor, P.W.J. 2012. Stagonosporopsis spp. associated with ray blight disease of Asteraceae. Australasian Plant Pathology 41: 675-686.

56. Barimani, M., Pethybridge, S.J., Vaghefi, N., Hay, F.S., & Taylor, P.W.J. 2013. A new anthracnose disease of pyrethrum caused by Colletotrichum tanaceti sp. nov. Plant Pathology 62: 1248-1257.

57. Pethybridge, S.J., Gent, D.H., Groom, T., & Hay, F.S. 2013. Minimizing crop damage through understanding relationships between pyrethrum phenology and ray blight disease severity. Plant Disease 97: 1431-1437.

58. Javid, M., Zhang, P., Taylor, P.W.J., Pethybridge, S.J., Groom, T., & Nicolas, M.E. 2013. Interactions between waterlogging and ray blight in pyrethrum. Crop and Pasture Science 64: 726-735.

59. Scott, J.B., Pethybridge, S.J., Gent, D.H., Groom, T., & Hay, F.S. 2014. Crop damage from Sclerotinia crown rot and risk factors in pyrethrum. Plant Disease 98: 103-111.

60. Scott, J.B., Gent, D.H., Pethybridge, S.J., & Hay, F.S. 2014. Spatiotemporal characterization of Sclerotinia crown rot epidemics in pyrethrum. Plant Disease 98: 267-274.

61. Pethybridge, S.J., Gent, D.H., Hingston, L., & Frost, P. 2014. Quantifying the effects of uniconazole on growth and yield of pyrethrum in Australia. New Zealand Journal of Crop and Horticultural Science 42: 50-59.

62. Chilvers, M.I., Jones, S., Meleca, J., Peever, T., Pethybridge, S.J., & Hay, F.S. 2014. Characterization of mating type genes supports the hypothesis that Stagonosporopsis chrysanthemi is homothallic and provides evidence that Stagonosporopsis tanaceti is heterothallic. Current Genetics 60: 295-302.

63. Vaghefi, N., Ades, P., Hay, F.S., Pethybridge, S.J., Ford, R., & Taylor, P.W.J. 2014. Identification of the MAT1locus in Stagonosporopsis tanaceti, and exploring its potential for sexual reproduction in Australian pyrethrum fields. Fungal Biology (in press).

64. Vaghefi, N., Hay, F. S., Ades, P., Pethybridge, S. J., Ford, R., and Taylor, P. W. J. 2014. Rapid changes in the genetic composition of Stagonosporopsis tanaceti population in Australian pyrethrum fields. Phytopathology (in press).

Plant Disease Management Reports:

1. Dunn, A. R., and Pethybridge, S. J. 2014. Efficacy of fungicides for the control of white mold in snap beans, 2014. Plant Dis. Man. Rep. (submitted 25 November 2015).

B O O K C H APT E RS:

1. Wilson, C.R., Pethybridge, S.J., Hay, F.S., & Crowle, D.R. 2004. Epidemiology and significance of viruses affecting hop (Humulus lupulus L.) and the implications for disease management. In: Recent Developments in Plant Pathology, Research Signpost, Kerala, India, 1-25.

2. Mahaffee, W., Pethybridge, S.J., & Gent, D.H. 2009. Preface. In: Compendium of Hop Diseases, Arthropod Pests, and O ther DisordersMahaffee, W., Pethybridge, S.J., & Gent, D.).

3. Mahaffee, W., & Pethybridge, S.J. 2009. The Genus Humulus. In: Compendium of Hop Diseases, Arthropod Pests, and O ther DisordersMahaffee, W., Pethybridge, S.J., & Gent, D.).

4. Beatson, R.A., Kenny, S.T., Pethybridge, S.J., & Gent, D.H. 2009. Hop production. In: Compendium of Hop Diseases, Arthropod Pests, and O ther Disorders & Gent, D.).

5. Henning, J.A., Pethybridge, S.J., & Gent, D.H. 2009. Hop cultivars and breeding. In: Compendium of Hop Diseases, Arthropod Pests, and O ther Disorders & Gent, D.).

6. Pethybridge, S.J., & Barbara, D.J. 2009. Humulus japonicus latent virus. In: Compendium of Hop Diseases, Arthropod Pests, and O ther DisordersMahaffee, W., Pethybridge, S.J., & Gent, D.).

7. Pethybridge, S.J., Barbara, D.J., Wilson, C.R., & Eastwell, K.C. 2009. Hop latent viroid. In: Compendium of Hop Diseases, Arthropod Pests, and O ther Disorders & Gent, D.).

8. Wilson, C.R., Pethybridge, S.J., & Eastwell, K.C. 2009. Apple mosaic virus. In: Compendium of Hop Diseases, Arthropod Pests, and O ther DisordersMahaffee, W., Pethybridge, S.J., & Gent, D.).

9. Wilson, C.R., Pethybridge, S.J., & Hay, F.S. 2009. Viruses of minor importance. In: Compendium of Hop Diseases, Arthropod Pests, and O ther Disorders & Gent, D.).

10. Eastwell, K.C., Pethybridge, S.J., & Wilson, C.R. 2009. Carlaviruses. In: Compendium of Hop Diseases, Arthropod Pests, and O ther DisordersMahaffee, W., Pethybridge, S.J., & Gent, D.).

11. Hay, F.S., & Pethybridge, S.J. 2009. Hop cyst nematode. In: Compendium of Hop Diseases, Arthropod Pests, and O ther DisordersPethybridge, S.J., & Gent, D.).

12. Hay, F.S., & Pethybridge, S.J. 2009. Other nematode species associated with hop. In: Compendium of Hop Diseases, Arthropod Pests, and O ther Disorders.

& Gent, D.).

13. Mahaffee, W., Pethybridge, S.J., & Gent, D.H. 2009. Nutrient imbalances. In: Compendium of Hop Diseases, Arthropod Pests, and O ther DisordersMahaffee, W., Pethybridge, S.J., & Gent, D.).

14. Gent, D.H., Pethybridge, S.J., & Mahaffee, W. 2009. Chemical injury. In: Compendium of Hop Diseases, Arthropod Pests, and O ther DisordersMahaffee, W., Pethybridge, S.J., & Gent, D.).

B O O KS:

1. Mahaffee, W., Pethybridge, S.J., & Gent, D.H. 2009. Compendium of Hop Diseases, Arthropod Pests, and Other Disorders. The American Phytopathological Society Press, St. Paul, Minnesota, USA.

SE L E C T E D C O N F E R E N C E PUB L I C A T I O NS:

1. Pethybridge, S.J., & Wilson, C.R. 1995. Pathogenic fungi associated with bud death of pyrethrum. Proceedings of the 10th Biennial Australasian Plant Pathology Conference, Lincoln University, Christchurch, New Zealand, Pp. 90.

2. Pethybridge, S.J., Wilson, C.R., Nelson, S.C., & Leggett, G.W. 1998. Interspecific associations between viruses in an Australian hop cultivar. Proceedings of the 10th International Congress of Plant Pathology, Edinburgh, UK.

3. Pethybridge, S.J., Wilson, C.R., & Leggett, G.W. 1998. Virus incidence and spread in Australian triploid hops (Humulus lupulus., Acta Horticulture 471: 105-110. Bethesda, Maryland USA.

4. Pethybridge, S.J., Wilson, C.R., & Leggett, G.W. 1999. Epidemiology of viruses infecting hops (Humulus lupulus L.) in Australia. IE Melhus Graduate Student Symposium in Plant Disease and Pathogen Ecology, APS/CPS joint meeting, Quebec, Canada, Pp 72.

5. Pethybridge, S.J., Wilson, C.R., Ferrandino, F.J., & Leggett, G.W. 1999. The influence of cultivation practices on the spatial distribution of viruses in Australian hop gardens. Proceedings of the 7th International Plant Virus Epidemiology Symposium, Aguadulce (Almeria), Spain, Pp. 95-96.

6. Pethybridge, S.J., Wilson, C.R., Ferrandino, F.J., & Leggett, G.W. 1999. Spatial analysis of viral epidemics in Australian hop gardens. Proceedings of the 12th Biennial Conference of the Australasian Plant Pathology Society, Canberra, Australia, Pp. 340.

7. Pethybridge, S.J., Wilson, C.R., Sherriff, L.J., & Leggett, G.W. 2001. Effect of viruses on the yield and brewing characteristics of four hop cultivars in Australia. Proceedings of the International Hop Growers Scientific Commission, Canterbury, UK. Pp. 1-5.

8. Pethybridge, S.J., Wilson, C.R., Hay, F.S., Leggett, G.W., & Sherriff, L.J. 2001. Characterization of the fungal pathogens affecting hop cones in Australia. Proceedings of the Australasian Plant Pathology Society 13th Biennial Conference, Cairns, Queensland, Pp. 304.

9. Hay, F.S., Pethybridge, S.J., Leggett, G.W., & Sherriff, L.J. 2001. Nematodes associated with hop (Humulus lupulus L.) production in Tasmania. Phytopathology 91: S37.

10. Jericho, C., Pethybridge, S.J., & Wilson, C.R. Modelling tomato spotted wilt virus epidemics on potatoes in Australia. Proceedings of the 8th International Plant Virus Epidemiology Symposium, Aschersleben, Germany.

11. Pethybridge, S.J., Scott, J.B., Harrison, K.S., & Hay, F.S. 2002. Genetic diversity of Phoma ligulicola isolates from pyrethrum in Tasmania. Phytopathology 92: S35.

12. Hay, F.S., & Pethybridge, S.J. 2004. Spatial distribution of Pratylenchus crenatus in a carrot field and its effect on yield and quality. Phytopathology 92: S35.

13. Pethybridge, S.J. 2004. Epidemiology and Management of Viruses of Hop in Australia. Proceedings of the 1st ISHS International Humulus Symposium, Corvallis, Oregon, USA. Pp. 11-12 (K E Y N O T E SPE A K E R).

14. Lambert, S.J., Hay, F.S., Pethybridge, S.J., Cross, P., & Wilson, C.R. 2005. Epidemiology of Potato carlavirus S (PVS) and Potato potexvirus X (PVX) in seed potato in Tasmania, Australia. Phytopathology 95: S128.

15. Esker, P.D., Pethybridge, S.J., Hay, F.S., Dixon, P.M., & Nutter Jr, F.W. 2005. Modelling disease gradients in pyrethrum due to Phoma ligulicola using Tobit and Nonparametric Regression. Proceedings of the 9th International Workshop on Plant Disease Epidemiology: Facing Challenges of the 21st Century, Landerneau, France, C13.

16. Lambert, S.J., Hay, F.S., Kirkwood, I.A., Pethybridge, S.J., Cross, P., & Wilson, C.R. 2005. Prevalence and Incidence of Potato Carlavirus S (PVS) and Potato Potexvirus X (PVX) in Tasmanian Seed Potato Crops. Proceedings of the 2nd Joint Conference of the International Working Group on Legume and Vegetable Viruses, Fort Lauderdale, Florida, USA, Pp. 17.

17. Lambert, S.J., Hay, F.S., Pethybridge, S.J., & Wilson, C.R. 2005. Spread of Potato Carlavirus S (PVS) and Potato Potexvirus X (PVX) in seed potato crops in Tasmania, Australia. Proceedings of the IX International Plant Virus Epidemiology Symposium, Lima, Peru, Pp. 92.

18. Crowle, D.R., Pethybridge, S.J., & Wilson, C.R. 2006. Molecular variability within the coat protein gene of Hop mosaic and Hop latent carlaviruses. Proceedings of the VIIth Australasian Plant Virology Workshop, Rottnest Island, Perth WA.

19. Jones, S.J., Pethybridge, S.J., Hay, F.S., & Wilson, C.R. 2007. Phylogenetic relationships inferred from translation elongation factor 1-alpha sequences between Phoma ligulicola isolates causing disease on pyrethrum and chrysanthemum. Phytopathology 97: S53.

20. Pethybridge, S.J., Jones, S.J., & Hay, F.S. 2007. A new foliar disease of pyrethrum caused by Microsphaeropsis sp. Phytopathology 97: S92.

21. Pethybridge, S.J., & Hay, F.S. 2007. Host range of Phoma ligulicola isolates causing ray blight disease in Tasmanian pyrethrum fields. Phytopathology 97: S92.

22. Crowle, D.R., Pethybridge, S.J., & Wilson, C.R. 2007. Molecular variability within the coat protein gene of hop mosaic and hop latent carlaviruses. Proceedings of the International Hop Growers Scientific Commission, Tettnang, Germany.

23. Pethybridge, S.J., & Hay, F.S. 2007. Nematodes Associated with Hop Production in Tasmania, Australia. Proceedings of the International Hop Growers Scientific Commission, Tettnang, Germany.

24. Pethybridge, S.J., & Mahaffee, W. The Compendium of Hop Diseases, Arthropod Pests and other Diseases. Proceedings of the International Hop Growers Scientific Commission, Tettnang, Germany.

25. Lambert, S.J., Hay, F.S., Pethybridge, S.J., Kirkwood, I.A., & Wilson, C.R. 2007. Strain characterisation of Potato virus from seed potato in Tasmania, Australia. Proceedings of the 16th Biennial Australasian Plant Pathology Society Conference, Adelaide, South Australia, Pp. 135.

26. Lang, M.D., Evans, K.J., & Pethybridge, S.J. 2007. Strategic application of copper for managing walnut blight in Tasmania. Proceedings of the 16th Biennial Australasian Plant Pathology Society Conference, Adelaide, South Australia, Pp 38.

27. O'Malley, T.B., Pethybridge, S.J., Hay, F.S., Wilson, C.R., & Groom, T. 2007. Sensitivity of Phoma ligulicola, cause of ray blight disease in pyrethrum, to fungicides. Proceedings of the 16th Biennial Australasian Plant Pathology Society Conference, Adelaide, South Australia, Pp 153.

28. Pethybridge, S.J., Hay, F.S., Esker, P.D., Wilson, C.R., & Nutter, F.W. Jr., 2007. Use of a multispectral radiometer for assessment of ray blight disease and yield loss in pyrethrum in Tasmania. Proceedings of the 16th Biennial Australasian Plant Pathology Society Conference, Adelaide, South Australia, Pp 137.

29. Pethybridge, S.J., Turechek, W.W., & Madden, L.V. 2008. A Case Study: Significance, Epidemiology, and Management of Hop Viruses. IN V I T E D PR ESE N T A T I O N

ical Society Centennial Meeting, July 2008, Minneapolis, USA. Phytopathology 98: S189.

30. Lang, M.D., Evans, K.E., & Pethybridge, S.J. 2008. Temporal progression of walnut blight, caused by Xanthomonas arboricola pv. juglandis, in Australia. 9th International Congress of Plant Pathology, Torino, Italy. A. Porta-Puglia and P. Gonthier, eds. Journal of Plant Pathology 90 (2, Supplement): S2.360.

31. Lang, M.D., Evans, K.J., & Pethybridge, S.J. 2009. Epidemiology of walnut blight, caused by Xanthomonas arboricola pv. juglandis, in Tasmania, Australia. Proceedings of the 17th Biennial Australasian Plant Pathology Society Conference (APPS) Plant Health Management: An Integrated Approach, Newcastle, New South Wales, Pp. 45.

32. Lang, M.D., Evans, K.J., & Pethybridge, S.J. 2009. Epidemiology of walnut blight, caused by Xanthomonas arboricola pv. juglandis, in Tasmania, Australia. Proceedings of the 6th International Walnut Symposium, Melbourne, Australia, pp. Abstract 363.

33. Boersma, M., Hay, F.S., Pethybridge, S.J., & Gracie, A.J. 2011. Frost and salinity tolerance in pyrethrum. Proceedings of Horticulture for the Future: A Joint Conference hosted by APHC/AuSHS/NZIAHS, 18 to22 September 2011, Mantra Erskine Beach Resort, Lorne, Victoria (In Press).

34. Scott, J.B., Pethybridge, S.J., & Hay, F.S. 2011. Pyrethrum yield estimation by digital image analysis. Phytopathology 101: S162.

35. Pearce, T.L., Scott, J.B., & Pethybridge, S.J. -broom phytoplasma infecting Echinacea pallida in Australia. Phytopathology 101: S139.

36. Pethybridge, S.J., Gent, D.H., & Hay, F.S. 2011. Effects of seedborne and overwintering inoculums on ray blight severity in pyrethrum. Phytopathology 101: S141.

37. Chilvers, M.I., Jones, S.J., Pethybridge, S.J., & Peever, T. 2011. Evolution of mating type genes: heterothallism is ancestral in the Didymellaceae. Phytopathology 101: S2.2.

38. Hay, F.S., & Pethybridge, S.J. 2011. Estimate of the global warming potential of the Tasmanian pyrethrum industry in comparison to other crops, potato and onion. Proc. International Pyrethrum Symp. Pp. 18.

39. Pethybridge, S.J., Groom, T., Groom, K., Chung, B., Van Essen, A., Tait, R., Hay, F., Birch, C., Frost, P., Kohler, D., Spurr, C., Taylor, P., & Nicolas, M. 2011. Realizing Productivity Gains in the Australian pyrethrum industry through an encapsulated Agricultural Research, Development and Extension Model. Proc. International Pyrethrum Symp. Pp. 32.

40. Vaghefi, N., Pethybridge, S. J., Ford, R., Nicolas, M. E., and Taylor, P. W. J. 2011. Validating the taxonomy of the Australian ray blight pathogen. Proc. The University of Melbourne School of Land and Environment, Graduate Research Conference, Dookie, Victoria, Australia.

41. Pethybridge, S. J., Groom, T., Pilkington, S., & Hay, F. S. 2012. Integrated management of foliar diseases of pyrethrum in spring. Phytopathology 102: S4.92.

42. Vaghefi, N., Pethybridge, S. J., Ford, R., Nicolas, M. E., Crous, P. W., & Taylor, P. J. 2012. Taxonomic reassessment of the ray blight pathogen of pyrethrum in Australia. Phytopathology 102: S4.125.

43. Vaghefi, N., Pethybridge, S. J., Ford, R., Nicolas, M. E., and Taylor, P. W. J. 2012. Development of molecular markers for identification of the Stagonosporopsis spp. associated with ray blight of pyrethrum. Proc. The University of Melbourne School of Land and Environment, Graduate Research Conference, Dookie, Victoria, Australia.

44. Savary, S., Paul, P., & Pethybridge, S.J. 2013. Analyzing and modelling multiple plant pathosystems. Proceedings of the International Workshop on Plant Disease Epidemiology, Beij ing, China (in press IN V I T E D M A NUSC RIPT).

45. Pearce, T., Scott, J.B., Pethybridge, S.J., Groom, T., & Hay, F.S. 2013. High resolution melt analysis identifies microsatellite alleles in Microsphaeropsis tanaceti. Proceedings of the University of Tasmania Graduate Research Conference Pp. 50.

46. Vaghefi, N., Hay, F.S., Ades, P.K., Pethybridge, S.J., Ford, R., Nicolas, M.E., & Taylor, P.W.J. 2013. Development of a multiplexed microsatellite library for a population genetics study of Stagonosporopsis tanaceti the cause of ray blight of pyrethrum in Australia. Proceedings of the Australasian Plant Pathology Conference Pp. 100.

47. Lambert, S., Hay, F., Wilson, C., & Pethybridge, S. 2014. Effect of Potato virus S (PVS) on yield of Russet Burbank seed potatoes grown in Tasmania, Australia. Proceedings of the International Horticultural Congress, Brisbane, Australia (in press).

48. Sinton, S., Falloon, R., Shah, F., Pethybridge, S.J., & Brown, H. 2014. Factors affecting yields from intensively managed potato crops in New Zealand. Proceedings of the European Association for Potato Research 19th Triennial Conference, Brussels, Belgium Pp. 20.

49. Hay, F.S., Pethybridge, S.J., Jones, S., & Ophel-Keller, K. 2014. Use of pre-plant soil concentrations of root knot nematode DNA as a predictor of potato tuber damage. Phytopathology 104:529-P.

50. Pearce, T.L., Scott, J.B., Pethybridge, S.J., and Hay, F.S. 2014. Mating type distributions of Microsphaeropsis tanaceti in Tasmanian pyrethrum fields. Phytopathology 104:459-P.

51. Scott, J.B., Arvier, R., Pearce, T.L., Pilkington, S., Pethybridge, S.J., and Hay, F.S. 2014. Symptomatology of crown rot of pyrethrum caused by Sclerotinia spp. in Tasmania, Australia. Phytopathology 104:45-P.

52. Van Bruggen, J., Dunn, A. R., Smart, C. D., and Pethybridge, S. J. 2014. Variation of phenotypic characteristics in populations of Sclerotinia sclerotiorum causing white mold in snap bean in New York. Proceedings of the 2014 Summer Scholars Program, Undergraduate Research Program Session, 1 August, Cornell University, New York Agricultural Experiment Station, Geneva, NY, Pp. 10.

53. Jones, S. J., Pilkington, S., Gent, D. H., Hay, F. S., and Pethybridge, S. J. 2014. Detection of ascosporic inoculum of Sclerotinia sclerotiorum using PCR. Proceedings of the 8th Australasian Soilborne Diseases Symposium, 10 to 13 November, Hobart, Tasmania.

54. Vaghefi, N., Hay, F. S., Ades, P. K., Pethybridge, S. J., Ford, R., and Taylor, P. W. J. 2014. Phylogenetic and population genetic analyses of Stagonosporopsis tanaceti, the cause of ray blight of pyrethrum in Australia, Poster Presentation, 10th International Mycological Congress, Bangkok, Thailand.

55. Vaghefi, N., Ades, P. K., Hay, F. S., Pethybridge, S. J., Ford, R., and Taylor, P. W. J. 2014. Use  of  molecular  phylogenetic  analyses  and  bioinformatics  tools  to  understand  the  taxonomy  and  biology  of  Stagonosporopsis  tanaceti,  the  cause  of  ray  bight  of  pyrethrum  in  Australia,  Proceedings of the COMBINE Student Symposium, Monash University, Melbourne, Australia.  

56. , F. S., Scott, J. B., Gent, D. H., Shivas, R., and Pethybridge, S. J. 2015. Carpogenic germination of Sclerotinia minor. Proceedings of the National Sclerotinia Initiative Meeting, Minneapolis, MN (in press).

R E V I E WS:

1. Pethybridge, S.J., & Mahaffee, W. 2006. Standardized List of Common Names for Diseases of Hop. American Phytopathological Society, St. Paul, MN, USA.

2. Pethybridge, S.J. 2008. The Study of Plant Disease Epidemics by Laurence V. Madden, Gareth Hughes, and Frank van den Bosch. Australasian Plant Pathology Newsletter, Pp. 19-20.