50%二氯喹啉酸可湿性粉剂防除水稻秧田稗草效果研究  

Effect on 50% Quinclorac WP on Controlling Barnyard-grass in Rice Field

作　　者：左永梅[1] 

机构地区：[1]河北省农林科学院滨海农业研究所,河北唐海063200

出　　处：《现代农业科技》2011年第11期172-173,共2页Modern Agricultural Science and Technology

摘　　要：50%二氯喹啉酸可湿性粉剂防除水稻秧田大龄稗草效果显著,根治率高,对水稻生育安全。采用苗期茎叶喷雾施药0.75 kg/hm2,除治3～5叶大龄稗草,防效>98%,且不伤秧苗。The effect of 50% quinclorac WP on controlling high leaf-age barnyard grass in rice seedling was eminent,the cure rate was high and it was safe for rice growth.By spraying stems and leaves with 0.75 kg/hm2 50% quinclorac WP in seedling stage,the controlling rate against 3~5 high leaf-age barnyard grass was up to 98%,and the rice seeding wasn′t hurt.

关 键 词：50%二氯喹啉酸可湿性粉剂 水稻秧苗 大龄稗草 防效 安全性 

分 类 号：S451.21[农业科学—植物保护]