除草剂的药害范围从不影响产量的作物生长受轻微抑制到作物死亡,对药害的正确诊断有助于防止药害的发生或减轻其危害。一、药害产生的原因产生药害的大部分原因是使用技术不当。 1.雾滴飘移。2,4-滴丁酯、2甲4氯、麦草畏等苯氧羧酸类除草剂雾滴易飘移,特别是风天喷雾 Herbicidal pesticides range from crop growth that does not affect yield to crop mortality, and the correct diagnosis of phytotoxicity can help prevent phytotoxicity or reduce its harm. First, the causes of injury caused by injury Most of the reasons for the use of improper technology. 1. Droplet drift. 2,4-D butyl ester, 2 A 4 chlorine, dicamba and other phenoxy carboxylic acid herbicide droplets drifting easy, especially the wind and day spray