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How to Manage Pests

UC Pest Management Guidelines

| More pests | More crops | About guidelines |

Peach

General Properties of Fungicides Used in Peaches

(Reviewed 3/06, updated 9/06)

In this Guideline:

Common name
(trade name)		 Chemical class Activity Mode of action Resistance potential Comments
azoxystrobin (Abound) strobilurin contact, systemic single-site (11) high  
bordeaux inorganic contact multi-site (M) low  
captan phthalamide contact multi-site (M) low highly toxic to honey bee larvae
chlorothalonil (Bravo, Echo) aromatic nitrile contact multi-site (M) low  
copper inorganic contact multi-site (M) low  
cyprodinil (Vangard) anilinopyrimidine mostly contact single-site (9) high  
dichloran (Botran) aromatic hydrocarbon systemic (local) single-site (14) high  
fenbuconazole (Indar) DMI2-triazole systemic (local) single-site (3) high  
fenhexamid (Elevate) hydroxyanilide contact single-site (17) high  
fosetyl-al (Aliette) phosphorothiolate systemic — —  
iprodione (Rovral) dicarboximide systemic (local) multi-site (2) low  
mefenoxam (Ridomil Gold) acylalanine systemic single-site (4) high  
myclobutanil (Rally) DMI2-triazole systemic (local) single-site (3) high  
propiconazole (Bumper, Orbit) DMI2-triazole systemic (local) single-site (3) high  
pyraclostrobin/boscalid (Pristine) strobilurin/carboxyanilide systemic single-site/multi-site (11/7) medium/low  
pyrimethanil (Scala) anilinopyrimidine mostly contact single-site (9) high  
sulfur inorganic contact multi-site (M) low highly toxic to native strains of western predatory mite (Galendromus occidentalis) and to parasites
tebuconazole (Elite) DMI2-triazole systemic (local) single-site (3) high  
thiophanate-methyl (Topsin) benzimidazole systemic (local) single-site (1) very high  
ziram carbamate (DMDC3) contact multi-site (M) low  

1 — = no information
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 DMDC = dimethyl dithiocarbamate

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[Precautions]

PUBLICATION

[UC Peer Reviewed]

UC IPM Pest Management Guidelines: Peach
UC ANR Publication 3454
General Information
Adaskaveg et al., 2005. Efficacy and Timing of Fungicides, Bactericides, and Biologicals for Deciduous Tree Fruit, Nut Crops, and Grapevines, (324KB, PDF).

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Statewide IPM Program, Agriculture and Natural Resources, University of California
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