30%苯磺隆·炔草酯WP防除春小麦田一年生杂草  

Control of Annual Weeds in Spring Wheat Field by 30%Bensulfuron-Ethinyl Oxalate WP

作　　者：朱海霞[1,2,3] ZHU Hai-xia(Academy of Agriculture and Forestry Sciences of Qinghai University,Xining Qinghai 810016,China;Scientific Observing and Experimental Station of Crop Pest in Xining in Ministry of Agriculture,Xining Qinghai 810016,China;Key Laboratory of Agricultural Integrated Pest Management in Qinghai Province,Xining Qinghai 810016,China)

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

出　　处：《青海农林科技》2021年第1期84-88,共5页Science and Technology of Qinghai Agriculture and Forestry

基　　金：公益性行业(农业)科研专项(201303022)。

摘　　要：为明确30%苯磺隆·炔草酯WP防除春小麦田一年生杂草效果、适宜用量及对春小麦的安全性,采用茎叶喷雾法,每公顷兑水300L,由低剂量向高剂量均匀喷施,评价不同剂量下30%苯磺隆·炔草酯WP防除春小麦田一年生杂草效果。结果表明30%苯磺隆·炔草酯WP有效量78.75g/hm^(2),于春小麦3-5叶期茎叶喷雾,对密花香薷、苦苣菜、野燕麦等一年生杂草的总体控制效果达73%以上。说明该药剂对春小麦田一年生杂草效果显著且对作物安全。In order to clear the effect of 30%bensulfuron-ethinyl oxalate WP controlling annual weed in spring wheat field,and its suitable dosage for safety of spring wheat,the stem and leaf spray method was used,adding 300 litres of water per hectare and spraying from low to high dose,and to evaluation the effect of 30%bensulfuron-ethinyl oxalate WP under different doses controlling annual weed in spring wheat field.The results showed that the effective dose of 30%bensulfuron-ethinyl oxalate WP was 78.75g/hm^(2),spraying it on the stem and leave of spring wheat at the 3-5 leaf stage,the overall control effect on annual weeds such as elsholtzia cilita,enerii,wild oats,etc was more than 73%,this indicated that the agent had a significant effect on annual weeds in spring wheat field,and was safe for crops.

关 键 词：30%苯磺隆·炔草酯WP 春小麦田 一年生杂草 

分 类 号：S451.22[农业科学—植物保护]