种衣剂是指由农药原药(杀虫剂、杀菌剂等)、成膜剂、分散剂、防冻剂和其它助剂加工制成的可直接或经稀释后包覆在种子表面,形成具有一定强度和通透性的保护层膜的农药制剂。它具有明显灭杀地下害虫,防治苗期病害,防止种子带菌传播,提高种子发芽率,促进种苗健康发育,改进作物品 Seed coating refers to the original pesticide (pesticides, fungicides, etc.), film-forming agent, dispersant, antifreeze and other additives processed directly or after dilution can be coated on the seed surface to form a Certain strength and permeability of the protective film of pesticide formulations. It has significantly kill underground pests, disease prevention and control at seedling stage, to prevent the spread of seed carriers and improve seed germination rate, and promote the healthy development of seedlings, improve the crop