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几种植物提取液对TMV体外活性及烟草叶片超微结构的影响
引用本文:刘华山,白海群,韩锦峰,孟凡庭,朱大恒,范艺宽,李晶新,李中规,陈启龙.几种植物提取液对TMV体外活性及烟草叶片超微结构的影响[J].中国农业科学,2010,43(5):957-964.
作者姓名:刘华山  白海群  韩锦峰  孟凡庭  朱大恒  范艺宽  李晶新  李中规  陈启龙
作者单位:(河南农业大学生命科学院)
基金项目:河南省烟草专卖局科技攻关项目(HYJK200820)
摘    要:目的]烟草普通花叶病毒病(TMV)是对烟叶产量和质量影响严重的一种病害.本研究为利用环保型植物源制剂防治烟草花叶病毒病提供理论依据.方法]分别用水煎煮和乙醇浸提2种方法提取白花蛇舌草、莲叶和配伍多种植物的提取液.取等体积的植物提取液与烟草花叶病毒混合,观察TMV粒体形态及体外钝化效果,将提取液喷施感染TMV的烟叶上,观察烟草叶片超微结构的变化,并进行大田试验.结果]正常的TMV粒体呈刚直、杆状,植物提取液与TMV等体积混合后,由于提取液的种类和作用时间不同,TMV粒子有不同程度的破坏、断裂或凝聚,感染TMV叶片细胞中存在大量杆状病毒粒子及其垛叠成的结晶体,叶绿体肿胀,外膜破裂,基粒片层紊乱、解体,细胞器消失,细胞空泡化.经植物提取液处理后,上述症状明显减轻.植物提取液对TMV的体外钝化效果分别为:白花蛇舌草50.77%-60.61%、莲叶73.39%-85.19%、制剂91.30%-92.13%,制剂比其它2种效果明显,大田试验验证制剂防治效果达71.02%-81.92%.结论]植物提取液对TMV粒体有明显的破坏作用,因而能减轻TMV对烟草的危害.

关 键 词:烟草  TMV  钝化效果  超微结构
收稿时间:2009-06-16;

Effects of Several Plants Extracts on the Activatity of TMV in Vitro and Ultrastructure of Tobacco Leaves
LIU Hua-shan,BAI Hai-qun,HAN Jin-feng,MENG Fan-ting,ZHU Da-heng,FAN Yi-kuan,LI Jing-xin,LI Zhong-gui,CHEN Qi-long.Effects of Several Plants Extracts on the Activatity of TMV in Vitro and Ultrastructure of Tobacco Leaves[J].Scientia Agricultura Sinica,2010,43(5):957-964.
Authors:LIU Hua-shan    BAI Hai-qun  HAN Jin-feng  MENG Fan-ting  ZHU Da-heng  FAN Yi-kuan  LI Jing-xin  LI Zhong-gui  CHEN Qi-long
Affiliation:LIU Hua-shan1,2,BAI Hai-qun2,HAN Jin-feng2,MENG Fan-ting1,ZHU Da-heng3,FAN Yi-kuan4,LI Jing-xin2,LI Zhong-gui5,CHEN Qi-long6 (1College of Life Science,Henan Agriculture University,Zhengzhou 450002,2College of Agronomy,3Department of Bio-Engineering,Zhengzhou University,Zhengzhou 450001,4Henan Tobacco Corporation,5Henan Xiangcheng Tobacco Company,Xiangcheng 461700,Henan,6Henan Linying Tobacco Company,Linying 462600,Henan)
Abstract:Objective Tobacco mosaic virus (TMV) is a kind of plant disease,it affects the leaf tobacco output and quality.The aim of this study is to provide a theoretical basis for prevention and control of tobacco mosaic virus with agents of plant origin.Method Active substances were extracted from Oldenlandia diffusa Roxb.and Nelumbo nucifera Garetn.and compounds with constitutes of many plants were prepared by water and ethanol.The plant extracts were mixed with equivalent TMV and the inactivation effects of plant...
Keywords:tobacco  TMV  inactivation  ultrastructure  
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