Federal Department of Economic Affairs,Education and Research EAER

Agroscope

www.agroscope.ch I good food, healthy environment

Vienna, 2016 10 18/20

Results of the questionnaire for Switzerland

Dubuis P.-H.

2Dose expression in Switzerland| EPPO Workshop on harmonized dose expression Dubuis P.-H.

Dose expression

3Dose expression in Switzerland| EPPO Workshop on harmonized dose expression Dubuis P.-H.

Example for Pome fruit

Standard water volume = 1600 L/ha1600 x 0.05% = 0.8

TRV 10’000 m3/ha

4Dose expression in Switzerland| EPPO Workshop on harmonized dose expression Dubuis P.-H.

TRV in pome fruit

Method description available in popularisation document

5Dose expression in Switzerland| EPPO Workshop on harmonized dose expression Dubuis P.-H.

Calculation tool on www.agrometeo.ch

6Dose expression in Switzerland| EPPO Workshop on harmonized dose expression Dubuis P.-H.

Calculation tool on www.agrometeo.ch

7Dose expression in Switzerland| EPPO Workshop on harmonized dose expression Dubuis P.-H.

Calculation tool on www.agrometeo.ch

8Dose expression in Switzerland| EPPO Workshop on harmonized dose expression Dubuis P.-H.

German part of Switzerland. line spacing: 1.8 – 2.0 m (6000-7000 plants/ha)

French part of Switzerland: line spacing 1.2 – 2.2 m (5000 à >10 000 plants/ha)

Grapevine planting density in CH

9Dose expression in Switzerland| EPPO Workshop on harmonized dose expression Dubuis P.-H.

Water volume adapted to the phenology is used for registration since 1995

150-2001.2 kg/ha

200-2501.6 kg/ha

150-2001.2 kg/ha

150-2001 kg/ha

100-1500.8 kg/ha

(50)-1000.6 kg/ha

PAS APPROPRIE

JET PROJETEET PRESSIONPNEUMATIQUE

300

1.2 kg/ha

400

1.6 kg/ha

300

1.2 kg/ha

250

1 kg/ha

200

0.8 kg/ha

150

0.6 kg/ha

PAS APPROPRIE

JET PROJETEET PRESSIONTURBO-DIFFUSEURS,ATOMISEUR

1200

1.2 kg/ha

1600

1.6 kg/ha

1200

1.2 kg/ha

1000

1 kg/ha

800

0.8 kg/ha

600

0.6 kg/ha

800

0.8 kg/ha

JET PROJETERAMPES, PENDILLARD,BOILLE A DOS

150-2001.2 kg/ha

200-2501.6 kg/ha

150-2001.2 kg/ha

150-2001 kg/ha

100-1500.8 kg/ha

(50)-1000.6 kg/ha

PAS APPROPRIE

JET PROJETEET PRESSIONPNEUMATIQUE

300

1.2 kg/ha

400

1.6 kg/ha

300

1.2 kg/ha

250

1 kg/ha

200

0.8 kg/ha

150

0.6 kg/ha

PAS APPROPRIE

JET PROJETEET PRESSIONTURBO-DIFFUSEURS,ATOMISEUR

1200

1.2 kg/ha

1600

1.6 kg/ha

1200

1.2 kg/ha

1000

1 kg/ha

800

0.8 kg/ha

600

0.6 kg/ha

800

0.8 kg/ha

JET PROJETERAMPES, PENDILLARD,BOILLE A DOS

B A S E D E C A L C U LPORTE

A-C (00-09) D E (11-13) F (51) G (53) H (55) I (61-69) J (71-73) L M (81-85)

Current dose rate expression

10Dose expression in Switzerland| EPPO Workshop on harmonized dose expression Dubuis P.-H.

Goal: constant deposit of the active ingredient per cm2 of leaf throughout the growing season

1. Easy method to estimate the leaf surface

2. Estimation of practical sprayer deposit performance

10 Mai300 m3/ha

31 Mai1200 m3/ha

8 June2000 m3/ha

Dose rate adjusted to leaf surface:Vine Row Volume (VRV)

Volu

me

folia

ire,

Qua

ntité

de

prod

uits

temps

11Dose expression in Switzerland| EPPO Workshop on harmonized dose expression Dubuis P.-H.

1.4 m x 0.5 m x 10 000 m2

2 m= 3500 m3 /haExample:

height (H) x maximal width (L) x 10 000 m2

Line spacing (D)

= vine row volume (m3/ha)

Determination of leaf wall volume per ha

HL

HL

Dose rate adjusted to leaf surface:Vine Row Volume (VRV)

L

D

12Dose expression in Switzerland| EPPO Workshop on harmonized dose expression Dubuis P.-H.

Leaf

area

inde

x: L

AI (1

= 10

000

m2 /h

a)

Based on 200 measurements in 7 vineyard in Germany and Switzerland

Leaf area Index versus VRV

13Dose expression in Switzerland| EPPO Workshop on harmonized dose expression Dubuis P.-H.

Calculation tool on www.agrometeo.ch

14Dose expression in Switzerland| EPPO Workshop on harmonized dose expression Dubuis P.-H.

+ 15 L sprayer’s technical residue

Recommended pressure range

Summary document (PDF)

Nozzle flow

15Dose expression in Switzerland| EPPO Workshop on harmonized dose expression Dubuis P.-H.

Example of product registration

16Dose expression in Switzerland| EPPO Workshop on harmonized dose expression Dubuis P.-H.

Catalogue 2015 of Bayer CS

17Dose expression in Switzerland| EPPO Workshop on harmonized dose expression Dubuis P.-H.

Vegetables in greenhouseLeaf wall area and leaf area in cucumber, eggplant, sweet pepperand tomato grown in greenhouses in Switzerland

18Dose expression in Switzerland| EPPO Workshop on harmonized dose expression Dubuis P.-H.

Vegetables in greenhouse

Rüegg J. et al., EPPO Bulletin 2012, 42(3): 552-559

Leaf wall area as reference for cucumber, eggplant, sweet pepperand tomato grown in greenhouses

19Dose expression in Switzerland| EPPO Workshop on harmonized dose expression Dubuis P.-H.

THANK YOU FOR YOUR ATTENTION

Photo: J.-A. Margelisch