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当前位置: 首页 > 文章 > 苯唑草酮及其混剂防治玉米田杂草的效果评价 河南农业科学 2014,43 (4) 86-89+119
Position: Home > Articles > Evaluation of Control Effect of Topramezone and Its Mixture on Weeds in Cornfield Journal of Henan Agricultural Sciences 2014,43 (4) 86-89+119

苯唑草酮及其混剂防治玉米田杂草的效果评价

作  者：
周丽霞;赵鑫;李喆;韩凤英;王绍敏
单  位：
山东农业工程学院;山东农业大学植物保护学院
关键词：
玉米;杂草;苯唑草酮;混用;防效
摘  要：
为扩大苯唑草酮的使用范围,降低杂草抗药性风险,提高玉米田苗后杂草综合防效,将30%苯唑草酮SC与多种除草剂混用进行玉米田苗后杂草的防除效果研究。结果表明:30%苯唑草酮SC对玉米田优势杂草有良好的防效,有效成分45.36~60.48g/hm2对禾本科杂草的株防效为86.16%~97.08%,对阔叶杂草的株防效为63.85%~86.53%;30%苯唑草酮SC 25.2g/hm2与90%莠去津SC675~945g/hm2混用对阔叶杂草的株防效高于30%苯唑草酮SC单剂,为71.46%~88.37%,且能提高对总草的鲜质量防效。30%苯唑草酮SC与90%莠去津SC混用,可以在减少苯唑草酮用量的情况下提高对阔叶杂草的防效,从而降低杂草抗药性风险。
译  名：
Evaluation of Control Effect of Topramezone and Its Mixture on Weeds in Cornfield
作  者：
ZHOU Li-xia;ZHAO Xin;LI Zhe;HAN Feng-ying;WANG Shao-min;Shandong Agriculture and Engineering College;College of Plant Protection,Shandong Agricultural University;
关键词：
maize;;weeds;;topramezone;;mixture;;control effect
摘  要：
To expand the use scope of topramezone,reduce the risk of drug resistance,and improve comprehensive control efficiency on postemergence weeds in cornfield,30%topramezone SC and a variety of herbicides were mixed to control weeds,and their control effects were evaluated.The results showed that 30%topramezone SC had good control effect for dominant species of weeds in cornfield.When its active ingredient was 45.36-60.48g/ha,the control effect was 86.16%-97.08%for gramineae weeds and 63.85%-86.53%for broad-leaved weeds based on the number of weeds.When 25.2g/ha of 30%topramezone SC was mixed with 675-945g/ha of 90% atrazine SC,the control effect for broad-leaved weeds was 71.46%-88.37% based on the number of weeds,higher than the single agent of 30%topramezone SC.The mixture could also improve the control effect for total weeds based on the fresh weight.Hence,the amount of 30%topramezone SC can be reduced when used with 90%atrazine SC together,thereby reducing the drug resistance risk of weeds.

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