1. Powdery Mildew Control
Grapes
Powdery Mildew Control

2. Equivalent control to Standard Program
Powdery Mildew Control a a ab
abc
abc
bcd
bcd
bcd
% Incidence
% Severity
Cueva 1% v/v
4/29, 5/12, 5/24, 6/7, 6/15, 6/23, 6/30, 7/7, 7/14, 7/20
Rally 5oz
alternate
Quintec 6.6oz
21-day schedule
Rally 4oz
alternate
Quintec 4oz
14-day schedule
Untreated
Gubler, University of California
150 GPA through mid June then 200 GPA water
Chardonnay
Equivalent control to Standard Program

3. Powdery Mildew Control
Two Bees Ag Research, CA
8 applications at 130 GPA water
Variety “Carignane”

4. Powdery Mildew Control
Two Bees Ag Research, CA
8 applications at 130 GPA water
Variety “Carignane”

5. Powdery Mildew Control
Two Bees Ag Research, CA
8 applications at 130 GPA water
Variety “Carignane”

6. Better Control Than Standards
Powdery Mildew Control ab c c ij
% Leaves
% Area
Untreated
Cueva 1% v/v
6/8, 6/19, 6/28, 7/8, 7/19, 7/27, 8/6, 8/17
Rally 5oz
6/8, 6/21, 7/7, 7/21, 8/4, 8/18
Quintec 4oz
Better Control Than Standards
Wilcox, Cornell University
100 GPA water
Rosette

7. Powdery Mildew Controlab bc fg
% Clusters
% Area k
Cueva 1% v/v
6/8, 6/19, 6/28, 7/8, 7/19, 7/27, 8/6, 8/17
Rally 5oz
6/8, 6/21, 7/7, 7/21, 8/4, 8/18
Quintec 4oz
6/8, 6/21, 7/7, 7/21, 8/4, 8/18
Untreated
Wilcox, Cornell University
100 GPA water
Rosette
CER

8. Equivalent Control To Standard
Powdery Mildew Control a c c a cd
cde
% Leaves
% Area
Sil-Matrix 1%v/v 1, 2, 4
Cueva 1 gal 3, 5
Manzate 3lb 1
Pristine 12oz 2
Ziram 3lb + Elite 4oz 3, 4
Ziram 3lb 5
Untreated
Equivalent Control To Standard
Schilder, Michigan State University
75 GPA water; Niagara
1= June 6 (5-10” shoots), 2= 6/22, 3= 7/6, 4= 7/20, 5= 8/4 IR

9. Grapes Downy Mildew Control

10. Equivalent Control To Standard
Downy Mildew Control a c c a
% Leaves d cd
% Area
Sil-Matrix 1%v/v 1, 2, 4
Cueva 1 gal 3, 5
Manzate 3lb 1
Pristine 12oz 2
Ziram 3lb + Elite 4oz 3, 4
Ziram 3lb 5
Untreated
Schilder, Michigan State University
75 GPA water; Niagara
1= June 6 (5-10” shoots), 2= 6/22, 3= 7/6, 4= 7/20, 5= 8/4 IR
Equivalent Control To Standard

11. Equivalent control to Kocide
Downy Mildew Control a
11 days after last application b b
Equivalent control to Kocide
BAAR Scientific, NY
3 applications, 75 GPA water on “Longmont”

12. Grapes Botrytis Control

13. Botrytis Control on Grape
b-h
b-i
g-l a
d-g
d-g
% Clusters
% Area
k-n
Cueva 1% v/v
Scala 18oz
Vangard 10oz
Untreated
Wilcox, Cornell University
100 GPA water, Vignoles
Treatments: Late bloom, Bunch closing, Veraison, Veraison + 2 weeks

14. Grapes Black Rot Control

15. Equivalent Control To Standard
Black Rot Control a cd e a
cde
% Leaves e
Sil-Matrix 1%v/v 1, 2, 4
Cueva 1 gal 3, 5
Manzate 3lb 1
Pristine 12oz 2
Ziram 3lb + Elite 4oz 3, 4
Ziram 3lb 5
Untreated
Schilder, Michigan State University
75 GPA water; Niagara
1= June 6 (5-10” shoots), 2= 6/22, 3= 7/6, 4= 7/20, 5= 8/4 IR
Equivalent Control To Standard

16. Black Rot Control % Leaves Sil-Matrix 1%v/v 1, 2, 4 Cueva 1 gal 3, 5cd e a
% Leaves cd d
Sil-Matrix 1%v/v 1, 2, 4
Cueva 1 gal 3, 5
Manzate 3lb 1
Pristine 12oz 2
Ziram 3lb + Elite 4oz 3, 4
Ziram 3lb 5
Untreated
Schilder, Michigan State University
75 GPA water; Niagara
1= June 6 (5-10” shoots), 2= 6/22, 3= 7/6, 4= 7/20, 5= 8/4 IR

17. Grapes Phomopsis Control

18. Equivalent Control To Standard
Phomopsis Fruit Rot Control
Fruit Infection a b c a bc c
% Leaves
% Area
Sil-Matrix 1%v/v 1, 2, 4
Cueva 1 gal 3, 5
Manzate 3lb 1
Pristine 12oz 2
Ziram 3lb + Elite 4oz 3, 4
Ziram 3lb 5
Untreated
Equivalent Control To Standard
Schilder, Michigan State University
75 GPA water; Niagara
1= June 6 (5-10” shoots), 2= 6/22, 3= 7/6, 4= 7/20, 5= 8/4 IR

19. Strawberry

20. Weekly applications are important to keep PM under control
Powdery Mildew Control-Strawberry
Weekly applications are important to keep PM under control
Holden Research, CA – 2012
100 GPA water DAA = days after application
When PM is already present, Cueva stops PM growth and brings it under control over time