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How to Manage Pests

UC Pest Management Guidelines

| More pests | More crops | About guidelines |

Plum

Relative Impact of the Timing of Pesticide Applications on Natural Enemies in Plum

(Reviewed 5/06, updated 5/06)

In this Guideline:

  DORMANT BLOOM TIME IN-SEASON
NATURAL ENEMY Oil Oil +
pyrethroid 1		 Oil +
OP 2 		Oil +
IGRs3 		Oil +
Spinosad		 Bt 4 IGRs3 Oil Spinosad IGR3 OP 2 Pyrethroid1 Spinosad Carbamate5 Oil NN6
aphid parasites
(Aphidius spp.)		 L L L L L L L L L M L-M7 L8 — — H H
caterpillar parasite
(Copidosoma)9 		L L L L L L L L M M H H M-H H — H
(Macrocentrus) L L L L L L L L M M H H M-H H — H
lacewings L L M L L L L L L M M L–M L-M H — M
lady beetles
(Chilocorus spp.) 		L L L L L L L L M L H H H H — —
minute pirate bugs L M M L L L L L L L H H M H — —
predatory mites
(Galendromus sp.,
Typhlodromus sp.) 		L H L L L L L L L L M H L H — L
scale parasites
(Aphytis sp.) 		L H L L L–M L L L H M H H H H — H
spiders L L M L L L L L L — H L — H — —

H = high,  M = moderate,  L = low,  — = no information

1 pyrethroid (e.g. Asana, Warrior)
2 OP = organophosphate (e.g. Diazinon, Guthion, Imidan, Lorsban, Supracide)
3 IGR = insect growth regulator (Dimilin, Intrepid, Esteem, Seize)
4 Bt = Bacillus thuringensis
5 carbamate (e.g. Sevin)
6 NN = neonicotinoids (Actara, Provado)
7 inseason use of OPs on aphid parasites: Diazinon = M, Imidan = L, Lorsban = —
8 inseason use of pyrethroids on aphid parasites: Asana = L, Warrior = —
9 (= Paralitomastix)

[Precautions]

PUBLICATION

[UC Peer Reviewed]

UC IPM Pest Management Guidelines: Plum
UC ANR Publication 3462
General Information

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