(接上期)3.苯甲酸类(Benzoic herbicidos)也有人将其归属为苯氧羧酸类(Phenoxy acid),属于“安息香酸”系列除草剂,其最大特点是通过在杂草体内干扰和阻碍植物激素正常的生理代谢活动,使营养器官——根和茎的激素供应不均衡,形成畸形生长的“变态”状态,采用土壤直接封闭处理可快速使根或种子吸收。如果采用苗后喷药方法,那么首先被叶子吸收,快速通过韧皮部、木质部上下传导输送,并大量积累 (Connected) 3. Benzoic acid (Benzoic herbicidos) Some people also belong to the phenoxy acid (Phenoxy acid), belongs to “benzoic acid ” series of herbicides, the most important feature is that weeds in the body by interference And hinder the normal physiological and physiological metabolism of plant hormones, the vegetative organs - root and stem hormone supply imbalance, the formation of abnormal growth “metamorphosis ” state, the use of direct soil sealing can quickly root or seed absorption. If using post-emergence spraying method, it is first absorbed by the leaves, quickly through the phloem, xylem up and down conduction and transport, and a large accumulation