新农药8%井冈霉素可溶液剂对烟草靶斑病的防治效果

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摘要 以烟草靶斑病作为防控对象,连续2年开展了新登记农药8%井冈霉素可溶液剂对烟草靶斑病的田间防治试验。结果表明,与烟草田常使用的多抗霉素、菌核净、噻呋酰胺等药剂相比,8%井冈霉素可溶液剂具有更好的防治效果,用量900 mL/hm2连续使用2次,防效可达83%以上,且持效期较长。
关键词 烟草靶斑病;8%井冈霉素可溶液剂;田间防效
中图分类号 S435.72 文献标识码 A
文章编号 0517-6611(2022)11-0133-02
doi:10.3969/j.issn.0517-6611.2022.11.033
开放科学(资源服务)标识码(OSID):
The Control Effect of the New Pesticide 8% Jinggangmycin SL on Tobacco Target Spot Disease
MA Xin,KOU Bao-shi,LI Ji-bo et al
(Liaoning Province Company of China Tobacco Corporation,Shenyang,Liaoning 110013)
Abstract In this study,tobacco target spot disease was taken as the control object,and we have carried out the efficacy test of officially registered pesticide 8% Jinggangmycin SL on tobacco target spot disease in the field for two years.The results showed that 8% Jinggangmycin SL had a better control effect on tobacco target spot than polyoxin,thifluzamide and dimetachlone,and the 900 ml/hm2 could be used as the best dosage with the control efficiency of 83%.
Key words Tobacco target spot disease;8% Jinggangmycin SL;Field efficacy
烟草靶斑病(tobacco target spot)是由立枯丝核菌 (Rhizoctonia solani kühn)侵染所引起的烟草叶部病害[1],2006年我国首次发现烟草靶斑病[2],烟草感染此病害后发生蔓延迅速,严重影响烟叶的质量和品质。(剩余3032字)