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Tuesday, 16 November 2004
D0345
Control of artificial populations of the diamondback moth on collard by a nucleopolyhedrovirus with a stilbene-based enhancer and an ultraviolet light protectant
Robert R. Farrar, FarrarR@ba.ars.usda.gov, U. S. Department of Agriculture, Agricultural Research Service, Insect Biocontrol Laboratory, 10300 Baltimore Ave, Bldg. 011A, Rm. 214, BARC-West, Beltsville, MD and Martin Shapiro, mshapir@CLEMSON.edu, Clemson University, Coastal Research and Education Center, 2700 Savannah Hwy, Charleston, SC.
The nucleopolyhedrovirus of the diamondback moth (PxMNPV) was evaluated against artificial populations of this insect in small plots of collard. PxMNPV reduced numbers of larvae in all tests. Further reductions were obtained with the addition of a stilbene-based fluorescent brightener, Blankophor P167. Further reductions were also obtained when an ultraviolet light protectant, photostabilized titanium dioxide, was added to PxMNPV, but only when the test was conducted in May and June. No effect of this material was found when the test was conducted in September, when levels of solar irradiance were lower.
Species 1: Lepidoptera Plutellidae Plutella xylostella (Diamondback moth)
Keywords: microbial control, virus
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