Toosendanin has stomach toxicity, contact killing and certain antifeedant effects.

As a botanical insecticide isolated from the bark of Meliaceae and Melia, toosendanin has gastric toxicity, contact killing and Antifeedant effects.

Action characteristics: After feeding and contacting toosendanin, pests can block nerve center conduction, destroy midgut tissue, various detoxification enzyme systems and respiratory metabolism, affect digestion and absorption, lose food taste function, and resist food, resulting in abnormal growth and development of pests and death.

Toosendanin can significantly inhibit the growth and development of housefly larvae, delay their development, prolong their development period, reduce their individual size, reduce their activity, delay pupation, and even form permanent larvae that cannot pupate. The toosendanin extracted from toosendanin as the main raw material has a control effect on cabbage caterpillar, yellow thorn moth, yellow guard melon adult, potato ladybug, tobacco green worm and apple leaf curling noctuid moth. At the same time, it is safe for natural enemies such as ladybird, aphid eating fly and red eyed bee. Toosendanin has high biological activity against many Lepidoptera pests. According to the Chinese pesticide toxicity classification standard, toosendanin belongs to low toxicity insecticide. Toosendanin is a plant insecticide, which has stomach toxicity, contact killing and Antifeedant effects. After eating and contacting toosendanin, pests can block the conduction of nerve center, destroy midgut tissue, various detoxification enzymes and respiratory metabolism, affect digestion and absorption, lose the function of food taste, resist food, lead to abnormal growth and development of pests and death, or form deformed insects during molting and coma to death. Toosendanin has high biological activity against a variety of Lepidoptera pests, but it has no control effect on thorn sucking mouthparts pests. It is easy to decompose in the natural environment and is harmless to human and livestock. Toosendanin can effectively control many crop aphids, tea leafhoppers, rice planthoppers, cotton aphids, vegetable whitefly and Lepidoptera pests such as cabbage caterpillar and cotton bollworm.

Efficacy characteristics of toosendanin

1.Toosendanin has broad spectrum and high efficiency: It has special effects on controlling many crop aphids, vegetable Pieris rapae, Plutella xylostella, yellow striped flea beetle, ape leaf beetle, 28 star Ladybug and other pests.

2.No harmful residue and pollution: The effective component of toosendanin is alkaloid, which will gradually degrade after application, will not produce enrichment, will not pollute the environment and will not harm insect natural enemies. It can effectively protect the ecological environment and achieve the purpose of comprehensive control.

3. No drug resistance: Toosendanin is a plant derived Chinese herbal pesticide. Its effective components are diverse and its action mechanism on diseases and insect pests is relatively complex. Compared with the chemical synthetic pesticide with single effective component, it is difficult for diseases and insect pests to develop resistance to it.