吡啶类除草剂二氯吡啶酸是一个相对比较老的除草剂品种,于1977年由陶氏化学(现Dow AgroS ciences)开发。由于专利期早已届满,该除草剂品种市场竞争比较大,尽管如此依旧创造了不凡的销售业绩,每年的销售额依旧超过1亿美元,2014年的销售额达2.3亿美元,2009~2014年年复合增长率达8.2%,依旧具有一定的市场潜力。就国内而言,二氯吡啶酸也不再是一个新品种,早在1999年陶氏就已经 The pyridine herbicide clopyralid, a relatively older herbicide variety, was developed in 1977 by Dow Chemical (now Dow AgroSciences). As the patent period has expired, the herbicides market competition is relatively large, despite this still create extraordinary sales, the annual sales still exceed 100 million US dollars, sales in 2014 reached 230 million US dollars in 2009-2014 years Compound growth rate of 8.2%, still has some market potential. At home, clopyralid is no longer a new breed, as early as 1999, Dow already