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How to Manage Pests

UC Pest Management Guidelines

| More pests | More crops | About guidelines |

Plum

General Properties of Fungicides Used in Plums

(Reviewed 5/06, updated 5/06)

In this Guideline:

Common name
(trade name)		 Chemical class
(FRAC No.)1		 Activity Mode of action Resistance potential Comments
azoxystrobin (Abound) strobilurin (11) contact, systemic single-site high  
bordeaux inorganic (M1) contact multi-site low  
captan phthalamide (M4) contact multi-site low highly toxic to honey bee larvae
chlorothalonil (Bravo) chloronitrile (M5) contact multi-site low  
copper inorganic (M1) contact multi-site low  
cyprodinil (Vangard) anilinopyrimidine (9) mostly contact single-site high  
fosetyl-al (Aliette) phosphorothiolate (33) systemic — —  
fludioxonil (Scholar) phenylpyrrole (12) contact few to multi-site low  
iprodione (Rovral) dicarboximide (2) systemic (local) multi-site low  
mefenoxam (Ridomil Gold) acylalanine (4) systemic single-site high  
myclobutanil (Rally) DMI 2-triazole (3) systemic (local) single-site high  
propiconazole (Bumper/Orbit) DMI 2-triazole (3) systemic (local) single-site high  
pyraclostrobin/boscalid (Pristine) strobilurin/carboxyanilide (11/7) systemic single-site/multi-site medium/low  
pyrimethanil (Scala) anilinopyrimidine (9) mostly contact single-site high  
sulfur inorganic (M2) contact multi-site low highly toxic to native strains of western predatory mite (Galendromus occidentalis) and to parasites
thiophanate-methyl (Topsin) benzimidazole (1) systemic (local) single-site very high  
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

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[Precautions]

PUBLICATION

[UC Peer Reviewed]

UC IPM Pest Management Guidelines: Plum
UC ANR Publication 3462
General Information
Adapted from:
Adaskaveg, J. E., B. A. Holtz, T. J. Michailides, and W. D. Gubler. 2006. Fungicide Efficacy and Timing for Deciduous Tree Fruit and Nut Crops and Grapevines (PDF* 324K).

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