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作 者:彭昌家[1] 白体坤 丁攀[1] 冯礼斌 杨宇衡[2]
机构地区:[1]南充市植保植检站,四川南充637000 [2]西南大学植物保护学院,重庆北碚400715
出 处:《Agricultural Science & Technology》2016年第8期1921-1925,共5页农业科学与技术(英文版)
基 金:农业部关于认定第一批国家现代农业示范区的通知(农计发[2010]22号);重庆市基础科学与前沿技术研究专项(cstc2016jcyj A0810);中央高校基本科研业务费专项资金(XDJK2015C057,XDJK2016A020,SWU114046)~~
摘 要:To alleviate the damage of tomato virus diseases, reduce chemical pesticide consumption and residue, and prevent environmental pollution, forecasting, randomized block design and statistical analysis were adopted to conduct field efficacy tests for Lentinan + Gibberellin-heteroauxin-brassinolide (GHB) and Ningnanmycin + GHB. The results showed that when the virus diseases in greenhouse tomato were serious, 0.5% Lentinan AS 3 000 ml + GHB WP 600 g and 8% Ningnanmycin AS 900 ml + GHB WP 600 g per hectare were applied 4 times with an interval of 7 days, and the control effects on the 10th, 17th, 26th and 35th day were above 88%, 87%, 78% and 67%, respectively. The difference in control effect of the two biological pesticides was insignificant, while their control effects were all significantly better than that of moroxydine hydrochloride (CK) + GHB. The obtained results indicated that Lentinan + GHB and Ningnanmycin + GHB were the ideal biological pesticides, which could be used not only for controlling tomato virus diseases, but also for realizing modern, pollution-free, green and organic agricultural production.为减轻番茄病毒病发生危害,减少化学农药用量、残留和环境污染,采用测报调查、随机区组设计和统计分析等方法,开展了生物农药香菇多糖+赤·吲乙·芸苔(碧护)和宁南霉素+赤·吲乙·芸苔防治番茄病毒病农药田间药效试验。结果表明:在温室大棚秋季番茄病毒病发生较重情况下,每公顷用0.5%香菇多糖AS 3 000 ml+碧护WP 600 g、8%宁南霉素AS 900 ml+碧护WP 600 g,7天施药1次,连续施用4次,药后10、17、26、35天,防治效果均在88%、87%、78%和67%以上,且两药剂防治效果差异不显著,香菇多糖+碧护极显著高于盐酸吗啉胍(对照药剂)+碧护,宁南霉素+碧护显著高于盐酸吗啉胍+碧护。香菇多糖+碧护和宁南霉素+碧护不仅可以作为防治病毒病的理想药剂,而且可以作为现代农业示范区、无公害农产品、绿色农产品和有机农产品防治病毒病的理想药剂。
关 键 词:Tomato Virus disease Biological pesticide LENTINAN NINGNANMYCIN Gibberellin-heteroauxin-brassinolide Control effect
分 类 号:S436.412.11[农业科学—农业昆虫与害虫防治]
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