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How to Manage Pests
UC Pest Management 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 |
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| 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 |
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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