双草醚(bispyribac-sodium)是一种嘧啶水杨酸类广谱除草剂,通过阻碍支链氨基酸的生物合成而起作用,主要在水稻田中直接使用,能有效防除一年生及多年生禾本科和阔叶杂草,特别能防除1~7叶期的稗草,且用量极低,具有广阔的应用前景。目前,双草醚原药产品在中国的登记厂家有16家,其中,国外公司1家,产品含量为93%,国内企业15家,产品含量为95%、96%、97%、 Bispyribac-sodium is a pyrimidine salicylate broad-spectrum herbicide that works by hindering the biosynthesis of branched-chain amino acids and is mainly used directly in paddy fields to effectively control annual and perennial grasses and broad Leaf weeds, in particular, can control 1 to 7 leaf stage of barnyard grass, and the amount is extremely low, has broad application prospects. At present, there are 16 registered manufacturers of bispyrib on our country, of which, there are 1 foreign company with 93% of products and 15 of domestic enterprises. The product content is 95%, 96%, 97%