禾草克是日本日产化学工业株式会社推出的一种新型除草剂。它能防除多种一年生、多年生禾本科杂草,具有高效、低毒、持效期长等优点。我省从1988年起,先后在成部、德阳、乐山、遂宁、南充、内江等地开展了油菜田化学除草试验、示范。近年逐渐扩展到花生、棉花、多种蔬菜、果树等作物上,均取得较好的效果,一般可增产10％左右。目前每年应用面积在10万亩以上,是一种有发展前途的旱地除草剂。一、基本性质及作用特点禾草克为选择性内吸型茎叶处理剂。在禾本科杂草与双子叶作物间具高度选择性。药剂被杂草吸收后,在植物体内向上和向 Wo grass grams Japan’s Nissan Chemical Co., Ltd. introduced a new type of herbicide. It can control a variety of annual, perennial grass weeds, with high efficiency, low toxicity, long duration and so on. Since 1988, our province has carried out chemical weeding experiments and demonstrations in rape fields in Chengbian, Deyang, Leshan, Suining, Nanchong and Neijiang. In recent years, it gradually expanded to peanuts, cotton, vegetables and fruit trees and other crops and achieved better results, which generally increased about 10%. The current annual application area of ​​10 mu or more, is a promising dry herbicide. First, the basic nature and role of the role of grass grams of selective absorption stems and leaves treatment agent. Highly selective between gramineous weeds and dicotyledonous crops. After the agent is absorbed by weeds, it moves upwards and upwards in plants