浙江农业科学 ›› 2024, Vol. 65 ›› Issue (3): 657-660.DOI: 10.16178/j.issn.0528-9017.20230077

• 植保技术 • 上一篇    下一篇

9种除草剂对单季晚稻直播田杂草防治效果及对产量的影响

宓盛(), 任洁, 杨凤丽*()   

  1. 德清县农业技术推广中心,浙江 德清 313200
  • 收稿日期:2023-01-23 出版日期:2024-03-11 发布日期:2024-04-08
  • 通讯作者: 杨凤丽,女,高级农艺师,主要从事农作物病虫害监测预警及防治工作,E-mail:yangfengli09@163.com
  • 作者简介:宓盛,男,农艺师,主要从事农作物病虫害监测预警及防治工作,E-mail:2827270961@qq.com

Effect of 9 herbicides on weed control effect and yield in single-cropping late rice direct seeding field

FU Sheng(), REN Jie, YANG Fengli*()   

  1. Deqing County Agricultural Technology Extension Center, Deqing 313200, Zhejiang
  • Received:2023-01-23 Online:2024-03-11 Published:2024-04-08

摘要:

为有效防控直播稻田杂草,筛选高效、安全药剂,选择了目前市场上防治杂草的9种主流药剂开展田间防治效果试验,并研究这些药剂对产量的影响。试验结果表明,4%双唑草腈悬浮剂(SC)、40%苄嘧·丙草胺可湿性粉剂(WP)、25 g·L-1五氟磺草胺可分散油悬浮剂(OD)+300 g·L-1丙草胺乳油(EC)、38%苄·噁·丙草胺WP、13%氰氟·吡啶酯EC应用效果良好,药后30 d后总草防治效果和鲜重防治效果均在90%以上,产量损失挽回率均在55%以上。17%五氟·氰氟草OD使用30 d后鲜重防治效果87.55%,产量损失挽回率为56.13%。生产上建议推广应用以上6种药剂。300 g·L-1丙草胺EC、10%噁唑酰草胺EC、30%氰氟草酯EC防治效果和挽回产量效果不理想,不建议推广应用。

关键词: 除草剂, 单季晚稻, 田间防治效果, 产量

Abstract:

In order to effectively control weeds in direct seeding paddy field and screen efficient and safe agents, 9 main weeds control agents were selected to carry out field control experiments, and the effects of these pesticides on yield were studied. The results showed that 4% biazole chlor SC, 40% benzylpyr propachlor WP, 25 g·L-1 pentaflusulfam OD+300 g·L-1 prochlor EC, 38% benzyl-ox-prochlor WP and 13% cyanofluoropyridine ester EC had good control effect. The control effect of total weed were more than 90% and the recovery rate of yield loss was more than 55% at 30 days after treatment. After 30 days of use of 17% pentafluoro·cyanofluoroxoxa, the control effect of weed fresh weight was 87.55%, and the recovery rate of yield loss was 56.13%. In terms of production, it is recommended to promote the application of the above 6 kinds of agents. 300 g·L-1 prochlor EC, 10% oxazolamid EC, 30% cyanofluoxalate EC control effect and yield recovery effect are not ideal, and it is not recommended to promote the application.

Key words: herbicides, single-cropping late rice, field control effectiveness, yield

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