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作 者:史鹏飞 杨光 张丽霞 乔利 吕玉虎 郭晓彦 陈雪青 聂良鹏 潘兹亮 SHI Peng-fei;YANG Guang;ZHANG Li-xia(Xinyang City Academy of Agricultural Sciences,Xinyang,Henan 464000)
机构地区:[1]信阳市农业科学院,河南信阳464000 [2]信阳农林学院,河南信阳464000
出 处:《安徽农业科学》2018年第33期136-138,共3页Journal of Anhui Agricultural Sciences
基 金:现代农业产业技术体系项目(CARS-19-S09);农业部信阳作物有害生物科学观测实验站项目
摘 要:[目的]比较不同除草剂对黄麻田杂草的防效,筛选出适宜黄麻生产的除草剂。[方法]通过小区试验研究不同除草剂对黄麻田间主要杂草的防除效果及其安全性。[结果]在喷药后7、14、24 d,108 g/L高效氟吡甲禾灵乳油、12.5%烯禾啶乳油2个处理对禾本科杂草的防效均达100%,对阔叶草防效分别为86.74%、84.75%、87.59%和87.55%、85.75%、86.96%,鲜重防效分别为85.79%、90.02%、88.46%和87.45%、90.24%、88.83%。在对黄麻的安全性方面,上述2个处理为6种药剂处理中安全水平最高,畸形率为0,对黄麻生长较安全。[结论]从除草效果和安全性两方面综合考虑,黄麻田芽后防除杂草推荐除草剂108 g/L高效氟吡甲禾灵乳油和12.5%烯禾啶乳油。[Objective]To find appropriate herbicide(s)for jute production through the study on control efficacy of different herbicides on weeds in jute field.[Method]Through plot experiment,the control effect and safety of different herbicides on weeds in jute field were studied.[Result]After spraying for 7,14,30 d,the control effect of 108 g/L haloxyfop-p-methyl EC(emulsifiable concentrate)and 12.5%sethoxydim EC reached 100%on gramineous weeds in every period,86.74%,84.75%,87.59%and 87.55%,85.75%,86.96%on broad leaved weeds in each period.In the aspect of safety,the two herbicides mentioned above were at the highest level,abnormality rate was 0,and were safe for jute growth.[Conclusion]Considering the two aspects of herbicidal efficacy and safety,108 g/L haloxyfop-p-methyl EC and 12.5%sethoxydim EC were recommended as post-emergent herbicide on weeds in jute field.
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