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Jan 4, 2018
Silicone surfactant is a new type of pesticide adjuvant developed in the mid 60s of last century. It is often used as a spray auxiliary for pesticides. It has good wettability, strong adhesion, excellent ductility and high Stomatal permeability and other advantages, added to the pesticide can play a saving, provincial and provincial workers synergistic effect.
Silicone is a kind of siloxane surfactant, which can be used as assistant of pesticide, which can greatly reduce the surface tension of pesticide, reduce the contact angle between pesticide droplet and foliage or worm body, Plant surface or pest surface wetting, adhesion or exhibition ability, thereby enhancing efficacy. For example, in the production of many plant leaves and pests body surface will have a thick layer of waxy, the surface of the special structure, making it almost impossible for the water to stay, if the prevention and control of these crops pests and diseases when the drug solution was added silicone additives After the adhesion will be greatly improved. Silicone has low expansibility and high stomatal permeability, which can promote the direct absorption of herbicides and systemic fungicides to plant leaf mesophyll through the leaf L of plant foliage, which plays a good auxiliary absorption role. In the case of low tension, but also through the pores of pests make the liquid medicine to the pest body, to improve the effectiveness of contact insecticides helpful. The use of silicone additives, can save the amount of water when dispensing, and can effectively reduce the amount of pesticides. As in the prevention and control of rice planthopper and rice leaf roller, add liquid silicone additives can spread to the base of rice and leaves the back of hard to spray to the drug site, is conducive to improving control efficiency. When controlling rice leaf roller, add 0 05% ~ 0 1% silicone additives, reducing the amount of 1/3 of pesticides, the use of conventional water spray 1/3, you can achieve the same control effect. Use of organic silicon additives, but also can improve the prevention and control of pests with conventional pesticides is difficult to control, such as the prevention and treatment of strawberry thrips, the use of spinosad with silicone, it can reduce the surface tension of water, rapid wetting Leaf and worm body surface to promote the rapid expansion of active ingredients, penetration and absorption, improve the lethality of thrips, control significantly improved.