800 g/L苄草丹EC对蚕豆田一年生杂草防除及安全性分析  

800 g/L Prosulfocarb EC:Annual Weeds’ Control Effect and Safety Analysis in Broad Bean Field

作　　者：朱海霞 李祥[1,4] 魏有海[1,2,3,4] ZHU Haixia;LI Xiang;WEI Youhai(Qinghai University,Xining 810016;Qinghai Academy of Agricultural and Forestry Sciences,Xining 810016;Xining Crop Pest Scientific Observation and Experiment Station,Ministry of Agriculture and Rural Affairs,Xining 810016;Qinghai Key Laboratory of Comprehensive Management of Agricultural Pests,Xining 810016)

机构地区：[1]青海大学,西宁810016 [2]青海省农林科学院,西宁810016 [3]农业农村部西宁作物有害生物科学观测实验站,西宁810016 [4]青海省农业有害生物综合治理重点实验室,西宁810016

出　　处：《中国农学通报》2022年第33期97-102,共6页Chinese Agricultural Science Bulletin

基　　金：青海省中央引导地方科技发展资金项目“复合微生物除草剂的开发及利用”(2022ZY034)。

摘　　要：为明确800 g/L苄草丹EC对作物是否安全,确定最佳使用剂量,明确药剂对阔叶杂草防治效果,以及适宜用量。以‘青蚕14’作为试验材料,采用苗前土壤喷雾处理,测定有效成分含量为2040、3960、7920 g/hm^(2)浓度下的800 g/L苄草丹EC,以及有效成分含量为1080 g/hm^(2)浓度下的对照药剂960 g/L精异丙甲草胺EC的除草效果。结果表明,供试药剂800 g/L苄草丹EC有效量为2040~7920 g/hm^(2),对青海省蚕豆田一年生阔叶杂草总株防效达86.99%~89.00%,总鲜重防效达85.10%~89.29%。蚕豆播后,苗前喷施不同剂量的800 g/L苄草丹EC,不同处理区蚕豆可增产5.93%以上。该药剂对蚕豆田一年生阔叶杂草防除效果显著且对作物安全。The study aims to determine the safety of herbicide 800 g/L prosulfocarb EC for crops, its control effect on broad-leaved weeds and the appropriate dosage.‘Green Broad Bean 14’was selected as the test material, the soil before seedling was sprayed with 800 g/L prosulfocarb EC at the concentration of 2040,3960 and 7920 g/hm^(2), and 960 g/L S-metolachlor EC was used as the control agent at the concentration of1080 g/hm^(2). The control effects of prosulfocarb EC and S-metolachlor EC were determined. The results showed that when the effective amount of 800 g/L prosulfocarb EC was 2040-7920 g/hm^(2), the control effect on the annual broad-leaved weeds in broad bean field in Qinghai Province was 86.99%-89.00%, and the control effect on fresh weight was 85.10%-89.29%. After sowing broad bean, spraying 800 g/L prosulfocarb EC at different doses before seedling period could increase the yield of broad bean by more than 5.93% in different treatment areas. This herbicide has significant control effect on annual broad-leaved weeds in broad bean field and safe for crops.

关 键 词：800 g/L苄草丹EC 蚕豆田 一年生杂草 防效 

分 类 号：S482.4[农业科学—农药学]