Journal of Entomology (2008) 5, 252-261

Mohamed F.R. Khan, R.P. Griffin, G.R. Carner and C.S. Gorsuch (2008)
Evaluating biological based insecticides for managing diamondback moth, Plutella xylostella (L.) (Lepidoptera: Plutellidae)
Journal of Entomology 5 (4), 252-261
Abstract: This study evaluated multiple applications of spinosad at three application rates, emamectin benzoate, Beauveria bassiana, azadirachtin and different Bacillus thuringiensis delta endotoxins for controlling diamondback moth populations, Plutella xylostella (L.), on three commercial collard (Brassica oleracea var. acephala de Condolle) farms in South Carolina. Spinosad and emamectin benzoate were the most efficacious at consistently providing excellent control of diamondback moth populations. Azadirachtin, B. bassiana and B. thuringiensis delta endotoxins may be useful early in collard growth to control low populations of diamondback moth, but were not consistently effective at maintaining diamondback moth populations below the economic threshold in the later stages of field trials, especially when diamondback moth larvae averaged more than three per plant.
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Database assignments for author(s): Mohamed F.R. Khan

Research topic(s) for pests/diseases/weeds:
control - general
biocontrol - natural enemies
Research topic(s) for beneficials or antagonists:
evaluation - screening - selection

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Plutella xylostella	Cabbage (Brassica oleracea)	U.S.A. (SE)
Bacillus thuringiensis (entomopathogen)	Plutella xylostella
Beauveria bassiana (entomopathogen)	Plutella xylostella