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磺酰脲类除草剂——Londax(又称农得时,通用名为bensulfuron—methyl,代号为DPX—F5384)是美国杜邦化学公司开发的广谱、高效、低毒安全的水田除草剂,对多数阔叶杂草和莎草科杂草具有特效,还可以抑制稗草生长,适用期较一般水田除草剂长,芽前芽后均可使用。Londax在日本从1982年开始试验,1987年进行农药登记。在东南亚已经进入市场销售。在我国于1985年开始试验,1986年获准临时登记。
Sulfonylurea herbicide - Londax (also known as agricultural, commonly known as bensulfuron-methyl, code-named DPX-F5384) is the United States DuPont Chemical developed a broad spectrum, high efficiency, low toxicity and safety of paddy field herbicides, Most broad-leaved weeds and sedge weeds with special effects, but also can inhibit the growth of barnyardgrass, the applicable period than the average paddy herbicides, buds can be used before and after. Londax began testing in Japan in 1982 and pesticide registration in 1987. In Southeast Asia has entered the market. The trial began in China in 1985 and was granted temporary registration in 1986.