施用奇农素和纯植物源药剂对烤烟青枯病的综合防治效果  

Comprehensive Control Effects of Qinongsu and Pure Herbal Extracts to Tobacco Bacterial Wilt

作　　者：王若焱 吴志高 夏志林[4] 陈晓明 梁永江 冯厚平 张建奎 蔡刘体[6] 谭静 

机构地区：[1]贵州省烟草公司遵义市公司,贵州遵义563000 [2]遵义金海农业科学研究所,贵州遵义563000 [3]福建中烟工业公司,厦门361000 [4]遵义市烟草公司务川县公司,贵州务川563000 [5]重庆烟草科学研究所,重庆400716 [6]贵州省烟草科学研究所,贵阳550081

出　　处：《中国烟草科学》2011年第6期85-89,共5页Chinese Tobacco Science

基　　金：贵州省科技厅项目"烟草青枯病病原菌天敌的筛选及生防体系研究"[黔科合J字(2010)2087]

摘　　要：为了探索烤烟大田更有效的防治青枯病的方法,通过多年多点田间试验,考察了奇农素、纯植物源药剂结合噻菌铜对烤烟青枯病防控效果及对烟叶经济性状的影响。结果表明,施用奇农素和纯植物源药剂能大大降低烤烟病指,降幅达76.1%。防治烤烟青枯病病害损失的最优组合为：选用抗根茎病品种,将600 g/hm2奇农素、600 kg/hm2纯植物源药剂及噻菌铜3种药剂形成复合药方制剂,于移栽后20 d、青枯病高发期前进行2~3次叶面喷施和灌根。Field experiments were conducted to investigate the comprehensive control effects of Qinongsu and a pure herbal extracts with thiediazole copper to tobacco bacterial wilt. The results showed that, the control effect was remarkably, and average disease index decreased by 76.1%. To achieve the best effect, we should use the varieties with high bacterial wilt resistance, apply 600 g/ha Qinongsu, 600 kg/ha pure herbal exacts with thiediazole copper to leaves and roots, and apply 20 days after transplanting and in mid-July when bacterial wilt occurs frequently.

关 键 词：纯植物源药剂 奇农素 噻菌铜 青枯病 烤烟 

分 类 号：S435.72[农业科学—农业昆虫与害虫防治]