10%丙酯草醚EC防除油菜杂草效果及药害分析

Controlling Effect and Security for a Novel Herbicide ZJ0273 10% EC on Oilseed Rapes

丙酯草醚是我国具有自主知识产权的一种新型除草剂,为了解该药剂对重庆市秀山地区油菜田杂草的防除效果及其性能特点,搞好其大面积推广应用,进行了小区试验和大田示范。结果表明,10%丙酯草醚EC75mL/hm2对油菜阔叶杂草、禾本科杂草及总体防除效果都在85%以上,具有杀草谱广、持效期长、防除效果好和成本较低等特点。但有时会产生药害,从而对其药害原因进行了初步分析。

The controlling effect of the novel herbicide ZJ0273 and security of herbicide to oilseed rape were studied in field trial. The results showed that the total weed control effect of 10% ZJ0273 EC at the application rate of 75 mIdha were over 85%. The reasons for herbicide-induced crop injury was preliminary studied.