五氟磺草胺·丙草胺颗粒剂对直播稻田杂草的防治效果  

Control Effect of Penoxsulam·Petilachlor Granules on Weeds in Direct Seeding Rice Field

作　　者：陈武[1] 熊运华[1] 姚晓云 李鹏 杨平[1] CHEN Wu;XIONG Yun-hua;YAO Xiao-yun;LI Peng;YANG Ping(Rice Research Institute,Jiangxi Academy of Agricultural Sciences/National Engineering Research Center for Rice(Nanchang)/Nanchang Sub-center,National Rice Improvement Center,Nanchang 330200,China;Agricultural and Rural Bureau of Nanchang County,Nanchang 330200,China)

机构地区：[1]江西省农业科学院水稻研究所/水稻国家工程研究中心(南昌)/国家水稻改良中心南昌分中心,江西南昌330200 [2]南昌县农业农村局,江西南昌330200

出　　处：《江西农业学报》2022年第5期151-154,159,共5页Acta Agriculturae Jiangxi

基　　金：江西现代农业科研协同创新专项项目(JXXTCXQN202208)。

摘　　要：为明确5%五氟磺草胺·丙草胺颗粒剂对水稻直播田杂草的防除效果及其适宜的使用量,开展了田间试验,并对安全性进行了评价。结果表明,施用5%五氟磺草胺·丙草胺颗粒剂能有效防除水稻直播田的一年生杂草,对水稻安全性好,水稻直播田使用5%五氟磺草胺·丙草胺颗粒剂防除杂草后,产量显著提高。有效成分施用量在375~675 g/hm^(2),施药后15 d,总草的株防效为90.96%~97.99%。施药后30 d,总草的株防效为89.59%~96.47%,鲜重防效为89.96%~96.75%。对杂草的防治效果随着用药量的增加而提高,3种浓度的处理对杂草的防治效果相互间存在显著差异。The field experiment was conducted to determine the control effect of 5% Penoxsulam·petilachlor granules on weeds in direct seeding rice field and the appropriate dosage.The safety to rice plants was evaluated.The results showed that the application of 5% Penoxsulam·petilachlor granules could effectively control annual weeds in direct seeding rice field,and was very safe to rice plants,The yield was significantly increased under the application of 5% penoxsulam·petilachlor granules.The control effect of 375~675 g/hm~2 of 5% Penoxsulam·petilachlor granules on total grass was 90.96%~97.99% after the application of 15 d.After 30 d treatment,the control effect on total grass was 89.59%~96.47%,and the control effect on fresh weight was 89.96%~96.75%.The control effect on weeds increased with the increase of dosage,and there were significant differences among the three treatments.

关 键 词：5%五氟磺草胺·丙草胺颗粒剂 直播田 杂草 防治效果 

分 类 号：S481.9[农业科学—农药学] S451.21[农业科学—植物保护]