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作 者:李妍[1,2] 谢学文[2] 石延霞[2] 向文胜[1] 李宝聚[2]
机构地区:[1]东北农业大学生命科学学院,哈尔滨150030 [2]中国农业科学院蔬菜花卉研究所,北京100081
出 处:《农药学学报》2010年第1期93-96,共4页Chinese Journal of Pesticide Science
基 金:国家重点基础研究发展规划("973"计划)项目(2010CB126100-G);国家大宗蔬菜产业技术体系建设工程
摘 要:分别采用拌药法和灌药法,比较了10种供试药剂对白菜根肿病的温室防治效果,并对盆栽试验防效较好的3种药剂进行了田间药效试验。结果表明,在温室条件下,50%氟啶胺悬浮剂(1g/m3)、50%甲基硫菌灵可湿性粉剂(25g/m3)、70%代森锰锌可湿性粉剂(35g/m3)和40%五氯硝基苯粉剂(20g/m3)的拌药处理,对白菜根肿病的防效均在50%以上,显著优于灌药处理的防效。田间药效试验结果表明,50%氟啶胺悬浮剂(2g/m3)拌药处理的防效在80%以上,与盆栽药效试验结果一致,并显著优于其他药剂处理。Mixed drug and drench were used to evaluated the control efficacy of 10 kinds of fungicides on clubroot of Chinese cabbage by pot experiments. Three pharmaceutical drugs selected by potted experiment were carried in field experiment. The results showed that the control efficacy of 50% fluazinam SC (1 g/m^3) , 50% thiophanate-methyl WP (25 g/m^3) , 70% mancozeb WP (35 g/m^3) and 40% ouintozene WP (20 g/m^3) were above 50% in pot experiments, which was better than drench treatment significantly. The control efficacy of 50% fluazinam SC (1 g/m^3 ) was above 80% by pot experiment and field experiment, which was better than the control efficacy of other fungicides significantly.
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