玉米田常用除草剂对苘麻室内除草活性研究  

Herbicidal Activity of Some Herbicides to Velvetleaf(Abutilon theophrasti)of Maize Field in Greenhouse

作　　者：王明思 于朋 潘双喜 马树杰 朱自平[3] 王福顺[4] 董金皋[1] 杨娟 张利辉[1] WANG Ming-si;YU Peng;PAN Shuang-xi;MA Shu-jie;ZHU Zi-ping;WANG Fu-shun;DONG Jin-gao;YANG Juan;ZHANG Li-hui(College of Plant Protection,Hebei Agricultural University,Baoding 071001;Weixian County Agriculture and Rural Bureau,Xingtai 054702;Langfang Academy of Agriculture and Forestry Sciences,Langfang 065000;College of Information Science and Technology,Hebei Agricultural University,Baoding 071001;College of Agri-culture and Biotechnology,Hebei Normal University of Science and Technology,Qinghuangdao 066004,China)

机构地区：[1]河北农业大学植物保护学院,河北保定071001 [2]威县农业农村局,河北邢台054702 [3]廊坊市农林科学院,河北廊坊065000 [4]河北农业大学信息科学与技术学院,河北保定071001 [5]河北科技师范学院农学与生物科技学院,河北秦皇岛066004

出　　处：《玉米科学》2022年第5期156-162,共7页Journal of Maize Sciences

基　　金：国家重点研发课题(2018YFD0200607);河北省重点研发项目(19226504D);河北省高等学校科学研究计划(QN2020421)。

摘　　要：采用盆栽法研究异噁唑草酮、莠去津、硝磺草酮、苯唑草酮等常用除草剂单用及混剂对苘麻的除草活性及对玉米的安全性。结果表明,异噁唑草酮75.98 g/hm^(2)+莠去津900.00 g/hm^(2)混用进行土壤封闭处理对苘麻的抑制率最高,药后14 d的鲜重抑制率为91.61%,显著高于两种药剂单一使用的除草活性;苯唑草酮20.20 g/hm^(2)+莠去津900.00 g/hm^(2)混用进行茎叶处理对苘麻的抑制率最高,药后14 d的鲜重抑制率为91.20%,显著高于两种药剂单一使用的除草活性,所有处理对玉米生长无影响。除草剂混用对苘麻的除草活性均高于单一除草剂,且达到除草剂使用减量增效的作用。因此,玉米3~4叶期喷施异噁唑草酮75.98 g/hm^(2)+莠去津900.00 g/hm^(2)或苯唑草酮20.20 g/hm^(2)+莠去津900.00 g/hm^(2)组合在生产上能有效防除苘麻。Abutilon theophrasti,the herbicidal activities of isoxaflutole,atrazine,mesotrione and topramezone were tested by pot method,and the security of those herbicides to maize was also studied.The results showed that pre-seedling sealed herbicides of the combinations of isoxaflutole at 75.98 g/ha with atrazine at 900.00 g/ha had the highest herbicidal activity against A.theophrasti,with the inhibition rate of 91.61%at the 14th day,and was significantly higher than alone use.The leaf treatment herbicides of the combinations of topramezone at 20.20 g/ha with atrazine at 900.00 g/ha showed the highest herbicidal activity and the fresh weight inhibition rate was 91.20%on the 14th day,and the herbicidal activity was significantly higher than alone use.All treatments had no significant inference to maize growth.The herbicidal activity of the herbicide mixture on Abutilon was higher than that of the single herbicide and achieved the effect of herbicide use reduction and efficiency.Therefore,the combination of isoxaflutole 75.98 g/ha+atrazine 900.00 g/ha and topramezone 20.20 g/ha+atrazine 900.00 g/ha was effective to control A.theophrasti in the seedling stage of maize in the 3-4 leaf stage in production.

关 键 词：玉米 除草剂 混用施用 苘麻 抑制率 

分 类 号：S435.131[农业科学—农业昆虫与害虫防治]