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How to Manage Pests
UC Pest Management Guidelines
Grapevines
2008 Fungicide Efficacy and
Treatment Timing
(Reviewed 2/08,
updated 2/08)
In this Guideline:
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FUNGICIDE EFFICACY FOR GRAPEVINE DISEASES
| Fungicide |
Resistance risk (FRAC#)1 |
Powdery mildew |
Downy mildew |
Bunch rot |
Phomopsis |
Eutypa |
| Botrytis |
Summer |
| Abound |
high (11)2 |
++++ |
++++ |
+ |
— |
+++ |
— |
| Adament |
medium (3/11) |
++++ |
+ |
++ |
++ |
++ |
— |
| Distinguish* |
medium (9/11) |
+++ |
++ |
+++ |
++ |
++ |
— |
| Flint3 |
high (11)2 |
++++ |
+++ |
++ |
++ |
++ |
— |
| Elite |
high (3) |
++++ |
— |
++ |
++ |
— |
— |
| Eminent6 |
high (3) |
++++ |
— |
— |
— |
— |
— |
| Inspire6 |
high (3) |
++++ |
— |
— |
— |
— |
— |
| JMS Stylet oil4 |
low |
++++ |
— |
+++ |
++ |
— |
— |
| Pristine |
medium (7/11)2 |
++++ |
++++ |
++++ |
+++ |
+++ |
— |
| Procure |
high (3) |
++++ |
— |
— |
— |
— |
— |
| Quintec |
high (13) |
++++ |
— |
— |
— |
— |
— |
| Rally |
high (3) |
++++ |
— |
— |
— |
— |
— |
| Rubigan |
high (3) |
++++ |
— |
— |
— |
— |
— |
| Sovran |
high (11)2 |
++++ |
++++ |
++ |
++ |
++++ |
— |
| Sulfur |
low (M2) |
++++ |
— |
— |
— |
— |
— |
| Topguard6 |
high (3) |
++++ |
— |
— |
— |
— |
— |
| Topsin-M/T-Methyl |
high (1)2 |
++++ |
— |
++ |
++ |
+ |
++++ |
| Armicarb |
low |
+++ |
— |
— |
— |
— |
— |
| Cinnacure |
low |
+++ |
— |
— |
— |
— |
— |
| Elexa5 |
low |
++ |
— |
— |
— |
— |
— |
| Kaligreen |
low |
+++ |
— |
— |
— |
— |
— |
| Messenger |
low |
+++ |
— |
— |
— |
— |
— |
| Milstop |
low |
+++ |
— |
— |
— |
— |
— |
| Purespray |
low |
+++ |
— |
— |
— |
— |
— |
| Rovral + Oil4 |
low (2) |
+++ |
— |
++++ |
— |
— |
— |
| Serenade |
low |
+++ |
— |
++ |
+ |
— |
— |
| Sporan6 |
low |
++ |
— |
— |
— |
— |
— |
| Sonata |
low |
+++ |
— |
NR |
NR |
— |
— |
| Copper |
low (M1) |
++ |
+++ |
++ |
+++ |
+ |
— |
| Bayleton |
high (3) |
++ |
— |
— |
— |
— |
— |
| Elevate |
high (17)2 |
++ |
— |
++++ |
++ |
— |
— |
| Scala |
high (9)2 |
++ |
— |
++++ |
++ |
— |
— |
| Vangard |
high (9)2 |
++ |
— |
++++ |
++ |
— |
— |
| VigorCal6 |
low |
++ |
— |
— |
— |
— |
— |
| VigorK6 |
low |
++ |
— |
— |
— |
— |
— |
| Timorex4, 6 |
low |
++ |
— |
— |
— |
— |
— |
| Prev-am4, 6 |
low |
++ |
— |
— |
— |
— |
++ |
| B-Lock |
low |
— |
— |
— |
— |
— |
++++ |
| Captan |
low (M4) |
— |
+ |
+++ |
+++ |
+++ |
— |
| Captevate |
low (M4/17) |
— |
+ |
+++ |
+++ |
+ |
— |
| Dithane/Maneb |
low (M3) |
— |
— |
++ |
— |
+++ |
— |
| Revus |
high (40) |
— |
++++ |
— |
— |
— |
— |
| Ridomil Gold/Mefenoxan |
high (4) |
— |
++++ |
— |
— |
— |
— |
| Rovral |
low (2) |
— |
— |
+++ |
— |
— |
— |
FUNGICIDE TREATMENT TIMING FOR GRAPEVINES
Note: Not all indicated timings may be necessary for disease control.
| Disease |
Dormant |
Bud break |
Full bloom |
Pre-close |
Veraison |
Preharvest/ Postharvest |
| Botryosphaeria canker |
+++ |
— |
— |
— |
— |
— |
| Botrytis |
+++2 |
— |
+++1
|
+++1
|
+++1
|
+++1
|
| Downy mildew |
— |
+++ |
+++ |
— |
— |
— |
| Esca |
+++2 |
— |
— |
— |
— |
— |
| Eutypa |
+++ |
— |
— |
— |
— |
— |
| Powdery mildew |
+++2
|
+++3
|
+++3
|
+++4
|
+++4
|
+++ |
| Summer rot |
— |
— |
+++
|
+++
|
++++1
|
+++1
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Adapted from:
Adaskaveg, J. E., B. A. Holtz, T. J. Michailides, and W. D. Gubler. 2008. Efficacy and Timing of Fungicides, Bactericides, and Biologicals
for Deciduous Tree Fruit, Nut, Strawberry, and Vine Crops (932 KB, PDF)
UC IPM Pest Management Guidelines: Grape
UC ANR Publication 3448
General Information
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