新農(nóng)藥8%井岡霉素可溶液劑對煙草靶斑病的防治效果
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摘要 以煙草靶斑病作為防控對象,連續(xù)2年開展了新登記農(nóng)藥8%井岡霉素可溶液劑對煙草靶斑病的田間防治試驗。結(jié)果表明,與煙草田常使用的多抗霉素、菌核凈、噻呋酰胺等藥劑相比,8%井岡霉素可溶液劑具有更好的防治效果,用量900 mL/hm2連續(xù)使用2次,防效可達(dá)83%以上,且持效期較長。
關(guān)鍵詞 煙草靶斑病;8%井岡霉素可溶液劑;田間防效
中圖分類號 S435.72 文獻(xiàn)標(biāo)識碼 A
文章編號 0517-6611(2022)11-0133-02
doi:10.3969/j.issn.0517-6611.2022.11.033
開放科學(xué)(資源服務(wù))標(biāo)識碼(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
煙草靶斑?。╰obacco target spot)是由立枯絲核菌 (Rhizoctonia solani kühn)侵染所引起的煙草葉部病害[1],2006年我國首次發(fā)現(xiàn)煙草靶斑病[2],煙草感染此病害后發(fā)生蔓延迅速,嚴(yán)重影響煙葉的質(zhì)量和品質(zhì)。(剩余3032字)