52%烟嘧磺隆·莠去津可湿性粉剂防除夏玉米田杂草药效试验  

Control Effect of 52% WP of Nicosulfuron and Atrazine on Weeds in Summer Maize Field

作　　者：董秀霞 张少逸[2] 

机构地区：[1]茌平县农业局,山东茌平252100 [2]山东农业大学植物保护学院,山东泰安271018

出　　处：《山东农业科学》2010年第9期77-79,共3页Shandong Agricultural Sciences

摘　　要：2009年对52%烟嘧磺隆·莠去津可湿性粉剂防除夏玉米田杂草进行了田间药效试验。结果表明,666.7m2用52%烟嘧磺隆.莠去津可湿性粉剂75~100 g,茎叶处理20 d对一年生禾本科、阔叶杂草的株防效可达89.3%~95.2%,40 d鲜重防效达90.6%~96.3%,增产9.43%~16.23%,且对玉米安全。The experiment for controlling weed with 52% WP of nicosulfuron and atrazine was conducted in summer maize field in 2009.The results showed that the optimum dosage of 52% WP of nicosulfuron and atrazine was 75~100 g per 666.7m2;the control effect for weed plant number was 89.3%～95.2% after treated for 20 days;the control effect for weed fresh weight was 90.6%～96.3% on the 40th day;the maize yield increased by 9.43%~16.23%,so it was safe to summer maize.

关 键 词：烟嘧磺隆·莠去津 夏玉米田 杂草 药效 

分 类 号：S482.4[农业科学—农药学]