河北威远生物化工股份有限公司精心研制开发的“20%威康乳油”是一种高效杀虫杀螨剂,它高效、广谱、安全、特效期长,因加入特殊的渗透剂,速效性大幅度提高,害虫、害螨很难产生抗药性,是防治梨木虱、红蜘蛛、美洲斑潜蝇、小菜蛾、食心虫、菜青虫、根结虫和其它害虫的理想生物农药。特点:一、广谱高效,防效高。对果树及农作物上的双翅口、鳞翅 Hebei Weiyuan Biological Chemical Co., Ltd. carefully developed “20% Wellcome EC ” is a highly effective insecticidal acaricide, it is efficient, broad-spectrum, safe, long period of special effects, due to the addition of special penetrants, Its quick-acting efficiency is greatly improved. It is very difficult for insects and pests to produce resistance. It is also an ideal biopesticide for pest control, red spider, leaf miner, diamondback moth, borer, cabbage worm, root knot and other pests. Features: First, a broad spectrum of high efficiency, high efficiency. On the fruit trees and crops on the double-winged mouth, lepidoptera