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作 者:王昶[1] 张丽娟[1] 闵庚梅[1] 陆建英[2] WANG Chang;ZHANG Lijuan;MIN Gengmei;LU Jianying(Institute of Crops Research,Gansu Academy of Agricultural Sciences,Lanzhou Gansu 730070,China;Institute of Biotechnology Research,Gansu Academy of Agricultural Sciences,Lanzhou Gansu 730070,China)
机构地区:[1]甘肃省农业科学院作物研究所,甘肃兰州730070 [2]甘肃省农业科学院生物技术研究所,甘肃兰州730070
出 处:《寒旱农业科学》2024年第10期969-973,共5页Journal of Cold-Arid Agricultural Sciences
基 金:甘肃省农业科学院院级科研计划项目(2024GAAS25);国家食用豆产业技术体系(CARS-08-G14);甘肃省农科院农业科技创新专项(2023GAAS37)。
摘 要:杂草严重影响豌豆产量和品质,制约豌豆产业发展。为了筛选安全、高效的除草剂,选用3种芽前土壤封闭除草剂和6种苗后茎叶处理除草剂,在大田试验条件下进行作物安全性及杂草防除效果评价。结果显示,480 g/mL氟乐灵乳油和460 g/mL 2-甲-灭草松可溶液剂防效较好,施药后30 d株防效分别为76.88%、64.52%,施药后60 d株防效分别为75.86%、66.98%,鲜重防效分别79.59%、71.43%。24%乙氧氟草醚乳油对豌豆产生轻微药害;250 g/mL氟磺胺草醚水剂药害较重,严重抑制豌豆生长,应慎用。建议豌豆田杂草防除优先选用480 g/mL氟乐灵乳油和460 g/mL 2-甲-灭草松可溶液剂。Weeds are the major limiting factors for the low productivity and quality in peas,restricting industrial development of pea.In order to screen safe and efficient herbicides,three kinds of pre-budding soil sealing herbicides and six kinds of post-seedling stem and leaf treatment herbicides were selected to evaluate the crop safety and weed control effect under field test conditions.The results showed that 480 g/mL fluralin emulsifiable concentrate and 460 g/mL 2-methyl-metamoxacol soluble concentrate had better control effects,and the control effects were 76.88%and 64.52%of strains 30 days after application.After 60 days of application,the control efficiency of the isolates were 75.86%and 66.98%,and the fresh weight control effects were 79.59%and 71.43%,respectively.Furthermore,24%Oxyfluorofe emulsifiable concentrate caused slight pesticide injury to peas,250 g/mL Fomesafen aqueous solutions had severe phytotoxicity,and seriously inhibited the growth of peas.It is suggested that 480 g/mL fluralin emulsion and 460 g/mL 2-methyl-methanoxacol soluble concentrate should be preferred for weed control in pea fields.
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