药剂防治烤烟根茎病害新方法研究初报

Pilot Study of New Type Prevention and Cured of Root and Stalk Diseases on Flue-cured Tobacco

烟草青枯、病黑胫和根黑腐病是中国南方烟区多发性的主要土传病害。目前,生产上主要采取综合防治措施,包括栽培抗病品种、应用化学防治和生物防治等,但由于都存在着各自的局限性而无法从根本上进行防治。2004—2006年先后采用“单药灌茎”、“两插两灌”和“三药灌茎”等药剂防治方法对烤烟青枯病、黑胫病和根黑腐病进行防治。结果表明:“两插两灌”和“三药灌茎”对三种根茎性病害的防治效果明显。

Pseudomonas solanacearum, Phytophthora nicotianae and thielariopsis basicola are primary diseases at southward of China. At present, Composition prevention and cured was used mainly, cropping resist breed, chymic and biologic prevention ande cured were included. But they have localization, could not cure radically. ＂Filled singleness medicine into stalk＂, ＂Tom-time interose an two-time fill＂ and ＂ Filled three medicines into stalk＂ were used throuth 2004--2006.The resouh showed that： ＂Tom-time interose an two-time fill＂ and ＂Filled three medicines into stalk＂ were obviously.