Toosendanin has very good bioactivity of killing insects; it has effect of antifeedant, stomach toxicity, contact killing and inhabiting of growth. Also the Toosendanin is a low toxicity insecticide.
After pests eat or contact Toosendanin, the central nervous system conduction is closed, destroying intestinal tissue and respiratory metabolism. it will affect digestive and absorption and lost the taste of goods. The long time antifeedant will result in abnormal growth and death, also abnormal worm when moulting.
The Toosendanin has high bioactivity of killing on many kinds of Lepidoptera pests, but no controlling effect on sucking mouthparts pests. Our produced Toosendanin insecticide is extracted from the both the bark of plant “Melia azedarach L” or the seed of plant “Melia Toosendanin Sieb. et Zucc”.It has Azedarachin, kulactone, kulolactone, kulinone, mcthyl kulonate, toosendanin etc. many killing active components. It can kill the crop pests such as Rice borer, rice fly louse, rice leaf borer, corn borer (o.n ubilas) and slime worms; the vegetable pests such as cabbage caterpillar, plutella xylostella, noctuid, Scarabaeidae; the fruit tree pests such as Apple leaf moths, cherry real bees, cherry leaf bees and citrus mites; the tea pests such as Tea blackthorn, tea caterpillar, tea false eye small green leaf cicadas, tea pest Etc.
It has stomach poisoning, contact poisoning and antifeedant effects. After pests feed on and come into contact with azadirachtin, it can block nerve center transmission, destroy midgut tissue, various detoxification enzyme systems and respiratory metabolism, affect digestion and absorption, and lose the taste function of food, leading to abnormal growth and development of pests due to food refusal. Death, or deformed insect bodies may form during molting and cause coma and death. Azadirachtin has high biological activity against a variety of lepidopteran pests, but has no control effect against sucking mouthparts pests. It is easily decomposed in the natural environment and is safe and harmless to humans and animals.
It has good efficacy in controlling the larvae of vegetable lepidopteran pests such as cabbage caterpillar, Spodoptera litura, diamondback moth, and cabbage borer.
It is not advisable to mix toosendanin with alkaline substances.
