甲磺隆,代号DPX—T 6376,是美国杜邦公司于80年代初开发的新型超高效麦田除草剂。它属磺酰脲类,对人畜毒性很低,大白鼠急性口服LD50大于5000毫克/公斤(原药),免急性经皮肤LD50大于2000毫克/公斤;无致畸致突变作用,对眼睛无刺激作用。是一种选择性内吸传导型除草剂,杀草较广谱,能有效地防除多数阔叶杂草,对部分禾本科杂草也有较好的防效;被植物的根、芽、茎、 Metsulfuron-methyl, code-named DPX-T 6376, is a new ultra-efficient wheat field herbicide developed by DuPont in the early 1980s. It is a sulfonylurea, low toxicity to humans and animals, rats acute oral LD50 greater than 5000 mg / kg (original drug), no acute transdermal LD50 greater than 2000 mg / kg; no teratogenic mutagenic effect, no eye irritation effect. Is a selective systemic conduction herbicide, a broader spectrum of herbicide, can effectively control the majority of broadleaf weeds, grass weeds also have some good control effect; by the plant’s roots, buds, stems,