4种除草剂对麦田禾本科杂草药效比较

Effect Tests of Herbicides Against Grass weeds in Greenhouse

采用室内盆栽的方法,测定精噁唑禾草灵6.9%水乳剂、甲基二磺隆3%油悬剂、炔草酸15%可湿性粉剂、氟唑磺隆70%水分散粒剂四种茎叶除草剂对山东发生的主要麦田禾本科杂草硬草、看麦娘、多花黑麦草、雀麦、节节麦、野燕麦、菵草的杀草谱,结果表明:精噁唑禾草灵6.9%水乳剂对硬草、看麦娘、菵草、野燕麦有良好的防效,鲜重抑制率在88%以上;甲基二磺隆3%油悬剂对硬草、看麦娘、多花黑麦草、雀麦、节节麦、野燕麦防效良好,鲜重抑制率在87%以上;炔草酸15%可湿性粉剂对硬草、看麦娘、菵草、野燕麦防效良好,鲜重抑制率在94%以上;氟唑磺隆70%水分散粒剂对雀麦、硬草、看麦娘、多花黑麦草有良好的防效,鲜重抑制率在88%以上。

Effect tests flucarbazone-sodium ag of ains fenoxaprop -p -ethyl, mesosulfuron -methyl, clodinafop -propargyl, grass weeds, avena fatua L., et al.were carried out.in the laboratory. The control effects were satisfactory and the results were given in this paper