Lethal effect of decanoyloctanoylglycerol on the diamondback moth, Plutella xylostella (Lepidoptera)
2018
Fukuda, T. (Kagoshima Prefectural Institute for Agricultural Development, Kanoya, Kagoshima (Japan). Osumi Branch)
The lethal effect of Decanoyloctanoylglycerol on eggs and larvae of Plutella xylostella L. was investigated. Decanoyloctanoylglycerol was found to be highly effective for population control in egg stage treatment. In a cabbage field, the mixing of Decanoyloctanoylglycerol with insecticides was suggested to increase the lethal effect. In the egg stage treatment of Saburina sup(R) containing Decanoyloctanoylglycerol: one of the products of Bacillus thuringiensis preparation, the effect was observed on the hatchling, and the mortality was 100% at 48 hours in the third instar larval stage treatment. In a cabbage field, Saburina sup(R) had a density suppressing effect compared with other BT, suggesting the possibility of it being used as one of the insecticides in the control program of P. xylostella.
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