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当前位置: 首页 > 文章 > 氟噻唑吡乙酮对马铃薯晚疫病最低有效防控剂量的研究 农药学学报 2020,22 (3) 556-560
Position: Home > Articles > Minimum effective dosage of oxathiapiprolin for the control of potato late blight Chinese Journal of Pesticide Science 2020,22 (3) 556-560

氟噻唑吡乙酮对马铃薯晚疫病最低有效防控剂量的研究

作  者：
张建平;张福金;王振;哈斯;张欣昕
单  位：
关键词：
杀菌剂;氟噻唑吡乙酮;最低有效防控剂量;马铃薯;晚疫病
摘  要：
由真菌致病疫霉Phytophthora infestans (Mont.) de Bary引起的晚疫病是马铃薯的毁灭性病害。为使新型优异杀菌剂10%氟噻唑吡乙酮可分散油悬浮剂发挥更好的作用,于2018—2019年开展了该药剂防治马铃薯晚疫病的最低有效防控剂量(防治效果等于大于80%对应的施药剂量)田间试验。结果表明:10%氟噻唑吡乙酮可分散油悬浮剂按有效成分9.75～14.6 g/hm2处理,于第二次施药后14 d防治效果达80%以上,此剂量即为最低有效防控剂量,比农药登记推荐低剂量少用药50.0%～25.0%。结果可为农药减施和精准施药提供依据。
译  名：
Minimum effective dosage of oxathiapiprolin for the control of potato late blight
作  者：
ZHANG Jianping;ZHANG Fujin;WANG Zhen;HA Si;ZHANG Xinxin;Plant Protection Institute, Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences;Institute of Resources Environment and Detection Technology, Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences;Agronomy College, Inner Mongolia Agricultural University;
关键词：
fungicide;;oxathiapiprolin;;minimum effective dosage for control;;potato;;late blight
摘  要：
Potato late blight caused by the fungus of Phytophthora infestans( Mont.) de Bary was a worldwide destructive disease in crop of potato(Solanum tuberosum L.). In order to make a better use of 10% oxathiapiprolin OD, in 2018-2019, field experiments were conducted to determine the minimum effective control dosage(the dosage whose control effect equated to or was higher than 80%) for the control of potato late blight. The results indicated that the control effect by the treatment dosage of 9.75-14.6 a.i.g/hm2 was more than 8.0% at the 14 th days after second spray. This dosage was the minimum effective control value, which was 50.0%-25.0% lower than that recommended by pesticide registration.Its work could provide basis for the reduction and accurate application of the pesticide.

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