Nicotine is a natural chemical found in tobacco. Toxicity to central nervous system of living things, LD50 was 40 mg / kg of body weight, in the form of trade is a nicotine sulfate. Such as Black Leaf 40 use of insecticides, the sucking mouthAphids, cigars, etc., and is used as a ยาร m pests in greenhouse
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.Rotenone is chemical in nature, human extracted from the underground and the root of the tree Derris or shield, or show off what water is a plant Leguminosae named. Derris elliptica Benth also can be extracted from the root and stem of the pilots อนตา wanted (Stemona collinsae.Or in English it is called Stemona from leaves and seeds, and yam bean Human use of the shield, rotenone from what As fish poison since ancient times. Poison the warm-blooded animal. Root powder dry of navigators อนตา wanted can remove insects in the house.Bedbug flea larvae mosquito and fly larvae, and get rid of the pests, including the weevils pea (Callosobruchus chinensis) beet vegetables. (Spodopteralitura) cotton bollworm (Heliothis armigera) moth (Plutellaxylostella) fly melon (Dacus cucurbitae) cotton aphid. (Aphis.Cabbage worm (Crocidoiomia binoltalis) worm melon (Margalonia indica), etc. This is the substance of rotenone toxicity on respiratory ของสิ่งมีชีวิต. The insect was this substance is deficient oxygen, paralysis, and death.
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