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How to Manage Pests

UC Pest Management Guidelines

| More pests | More crops | About guidelines |

Grape

General Properties of Fungicides Used in Grapes

(Reviewed 6/06, updated 6/06)

In this Guideline:

Common name
(trade name)		 Chemical class Activity Mode of
action1		 Resistance
potential		 Comments
azoxystrobin (Abound) strobilurin contact, systemic 11 (single-site) high  
Bacillus pumilis (Sonata) biological contact multi-site low  
Bacillus subtilis (Serenade) biological contact multi-site low  
captan phthalamide contact M (multi-site) low highly toxic to honey bee larvae
cinnamaldehyde (Cinnacure) natural product contact multi-site low  
copper inorganic contact M (multi-site low  
copper hydroxide inorganic contact M (multi-site low  
copper sulfate inorganic contact M (multi-site low  
cyprodinil (Vangard) anilinopyrimidine multi—contact 9 (single-site) high  
DCNA (Botran) aromatic hydrocarbon systemic (local) single-site high  
fenarimol (Rubigan) DMI2-pyrimidine systemic (local) 3 (single-site) high  
fenhexamid (Elevate) hydroxyanilide contact 17 (single-site) high  
GABA/L-glutamic acid (AuxiGro) — — — —  
harpin protein (Messenger) SAR3 – protein systemic host resistance —  
iprodione (Rovral) dicarboximide systemic (local) 2 (multi-site) low  
kresoxim-methyl (Sovran) strobilurin contact and systemic (local) 11 (single-site) high  
mancozeb (Dithane) carbamate (EBDC)4 contact M (multi-site) low  
maneb carbamate (EBDC)4 contact M (multi-site) low  
mefenoxam (Ridomil Gold) acylalanine systemic 4 (single-site) high  
myclobutanil (Rally) DMI2-triazole systemic (local) 3 (single-site) high  
neem oil (Trilogy) plant oil contact multi-site low  
oil (JMS stylet oil) mineral oil contact multi-site low  
potassium bicarbonate (Armicarb, Kaligreen, Milstop) inorganic contact multi-site low  
pyraclostrobin/boscalid (Pristine) strobilurin/carboxyanilide systemic (local) 11 (single-site)/ 7 (multi-site) medium/low  
quinoxyfen (Quintec) quinoline contact 13 (single-site) medium  
sulfur inorganic contact M (multi-site) low highly toxic to native strains of western predatory mite (Galendromus occidentalis) and parasites.
tebuconazole (Elite) DMI2-triazole systemic (local) 3 (single-site) high  
triadimefon (Bayleton) DMI2-Triazole systemic (local) 3 (single-site) high  
trifloxystrobin (Flint) strobilurin contact and systemic (local) 11 (single site) high  
triflumizole (Procure) DMI2-imidazole systemic (local) 3 (single-site) high  
ziram carbamate (DMDC)5 contact M (multi-site) low  
 
1 Group numbers are assigned by the Fungicide Resistance Action Committee (FRAC) according to different modes of actions. Fungicides with a different group number are suitable to alternate in a resistance management program. For more information, see http://www.frac.info/.
2 DMI = demethylation (sterol) inhibitor
3 SAR = systemic aquired resistance induced in host
4 EBDC = ethylene bisdithiocarbamate
5 DMDC = dimethyl dithiocarbamates
—  unknown

[Precautions]

PUBLICATION

[UC Peer Reviewed]

UC IPM Pest Management Guidelines: Grape
UC ANR Publication 3448
General Information
B. L. Teviotdale, Kearney Agricultural Center, Parlier
J. E. Adaskaveg, Plant Pathology, UC Riverside
T. J. Michailides, Kearney Agricultural Center, Parlier
W. D. Gubler, Plant Pathology, UC Davis

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