新型稻田除草剂氟吡磺隆特性、作用机理及其除草效果

氟吡磺隆是由韩国LG公司生命科学有限公司研制的一种新型磺酰脲类除草剂，可用于移栽和直播水稻田；用于土壤或茎叶处理能有效防除稗草、阔叶和莎草科杂草；温室和田间试验表明，用于水稻田，在常规用量15～30g(有效成分，下同)／hm^2时，防效达90％以上，对水稻安全，对后茬作物无影响。文章还简述了药剂的分子结构、理化特性、毒性和作用机理等。

Properties,Mode of Action,and Weed Control Efficacy of the New Rice Herbicide Flucetosulfuron

flucetosulfuron is a new sulfonylurea herbicide developed by LG Life Sciences Ltd., Korea. This herbicide can be used as a soil or foliar application in direct seeded and transplanted rice, providing excellent control of barnyard-grass ( Echinochloa crusgalli ) as well as broadleaf and sedge weeds. In greenhouse and field experiments, this herbicide at its normal use rate of 15 to 30 g a.i./ha provided >90% control with good crop safety and no carryover injury to successive crops. Chemical structure, physical and chemical properties, and toxicity of flucetosulfuron are also discussed .