山东省小麦田大穗看麦娘抗性水平、靶标抗性机理及田间防除效果测定

高兴祥,李健,张悦丽,李美,房锋

Resistance Level, Mechanism of Alopecurus myosuroides and Control Efficacy in Wheat Field in Shandong Province

GAO XingXiang,LI Jian,ZHANG YueLi,LI Mei,FANG Feng

表4 小麦田冬后小麦返青初期施药对大穗看麦娘田间防治试验

Table 4 Weed control efficacy to A. myosuroides after 6 herbicides treated in wheat field (after winter)

药剂 Herbicide 15 d 30 d 株防效Plant control efficacy (%) 株防效Plant control efficacy (%) 鲜重防效Fresh weight control efficacy (%) 甲基二磺隆Mesosulfuron-methyl 51.2±5.2aA 83.2±2.1bB 78.2±2.8cB 啶磺草胺Pyroxsulam 49.2±4.6aA 75.2±1.6cC 68.6±3.2dB 氟唑磺隆Flucarbazone-Na 25.2±3.5bB 19.6±3.2dD 12.5±5.1eC 唑啉草酯Pinoxaden 61.2±4.1aA 92.2±1.5aA 89.1±1.1aA 炔草酯Clodinafop-propargyl 45.2±3.5aA 90.2±1.2aA 87.1±1.2aA 精噁唑禾草灵Fenoxaprop-P-ethyl 42.6±6.2aA 87.6±2.1bB 82.6±1.3bB