Tea saponin is a pentacyclic triterpene compound extracted from the seeds of Camellia plants and is a natural nonionic surfactant with excellent performance. Tea saponin is mainly used in the pesticide industry as a wettable agent as a wetting agent, an auxiliary agent for water-soluble pesticides, a plant insecticide and a fungicide, a plant growth regulator, etc., which is non-toxic, capable of automatic degradation, and The characteristics of pesticides are obvious. It is a promising environmentally friendly pesticide additive.
As a pesticide wetting agent, tea saponin can improve the wettability and suspension rate (≥75%) of wettable powder. As a natural nonionic surfactant, it can be added to pesticides to significantly improve the physical and chemical properties of pesticide liquid. To increase the effective amount of the drug on the target, so as to contribute to the full effect of the pesticide efficacy, and therefore, the use effect can be improved. As a pesticide wetting agent, the outstanding advantages are fast wetting speed, strong dispersing performance, pH 5.5-6.5, neutral acidity, no decomposition of pesticides, and is conducive to the storage of pesticides. These are all comparable to synthetic surfactants. At present, tea saponin has been widely used as a wetting agent for pesticides such as paclobutrazol, isoprocarb, ethylaluminum phosphate and tricyclazole.
According to the pesticide network , tea saponin is a good auxiliary agent for water or soluble powder pesticides. It can improve the physical properties of pesticides, improve the adhesion of liquids to biological or plant surfaces, and play a synergistic role in pesticides. Tea saponin can be degraded automatically and is non-toxic. It does not affect the chemical properties of pesticides during the separation process, which is beneficial to the storage of pesticides. Tea saponin has been widely used in herbicide glyphosate and insecticide insecticides, especially on glyphosate, which fully exerts the excellent properties of glyphosate, improves its adhesion on plants and absorbs moisture. Sexuality, improve the penetration of the liquid, and because of the good biological activity of tea saponin, can also increase the biological activity of glyphosate.
Tea saponin has good biological activity, and it is mixed with insecticide, malathion, methomyl, fluvalinate, nisol, acesulfame, nicotine, dimethoate and rotenone to control the tube.蚜, Plutella xylostella, citrus whole claw cockroach, etc., have obvious synergistic effects.
Tea saponin has certain stomach toxicity and strong repellent effect on cabbage caterpillar, and the higher the concentration, the stronger the repellent, and it has certain effect on the prevention and control of cabbage cabbage. It is used as an insecticide on garden flowers to control underground pests such as tigers and nematodes. According to the China Pesticide Network , it also has a good poisoning effect on the snails, snails and snails that harm rice.
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