The major problem that agricultural damage or contamination. The TAM, unacceptable is the insect pests of agricultural products. Defense of these insects using plant extracts.This will help reduce the chemical problems for consumers and the environment in the future. Efficacy of crude extract seeds Magog ships as ตาช้าง. By means of extraction soak plants in organic solvent 3 type. The extraction sorting.The hexane, dichloromethane and methanol, and the volatile organic solvent with take evaporator vacuum. To tested in the repellent substance and touch the adult weevil by the crude extract Hague Zen and dichloromethane.The crude extract, methanol, diluted with distilled water, 1 concentrations.3 5 7 9%,, and.
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