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| 兴义市降雨量变化对烟草生长及病害发生的影响 | |
| 引用本文： | 刘洋,陈庆园,姜于兰,莫建国,向红琼.兴义市降雨量变化对烟草生长及病害发生的影响[J].贵州农业科学,2012,40(6):93-95. |
| 作者姓名： | 刘洋 陈庆园 姜于兰 莫建国 向红琼 |
| 作者单位： | 1. 贵州大学 农学院,贵州 贵阳,550025 2. 贵州省烟草科学研究所,贵州 贵阳,550081 3. 贵州省山地环境气候研究所,贵州 贵阳,550002 |
| 基金项目： | 国家自然科学基金项目，中国烟草总公司贵州省公司科技计划项目，中国烟草总公司贵州省公司科技计划项目 |
| 摘 要： | 为弄清降雨量变化对烟草生长及病害发生的影响,于2009-2011年对该烟区烟草病害进行了调查。结果表明:兴义市烟草主产区共发生病害22种,其中,主要病害有烟草普通花叶病、烟草黄瓜花叶病、烟草赤星病和烟草黑胫病;各年份间随着降雨量不同,烟草病害发生程度与种类亦有所变化,降雨量偏少时部分病害发病较重,其中,烟草普通花叶病和烟草黑胫病病情指数均达5.5以上,发病烟株多被2种以上病害复合侵染,4种主要病害复合侵染尤为明显。 |
| 关 键 词： | 烟草病害 干旱 病株率 病情指数 |
Influence of the Change of Rainfall on Tobacco Growth and Disease Occurrence in Xingyi City |
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| LIU Yang , CHEN Qing-yuan , JIANG Yu-lan , MO Jian-guo , XIANG Hong-qiong.Influence of the Change of Rainfall on Tobacco Growth and Disease Occurrence in Xingyi City[J].Guizhou Agricultural Sciences,2012,40(6):93-95. | |
| Authors: | LIU Yang CHEN Qing-yuan JIANG Yu-lan MO Jian-guo XIANG Hong-qiong |
| Institution: | 1.Agricultural College,Guizhou University,Guiyang,Guizhou 550025;2.Guizhou Tobacco Research Institute,Guiyang,Guizhou 550081;3.Guizhou Mountainously Environmental Climate Research Institute,Guiyang,Guizhou 550002,China) |
| Abstract: | In order to know the influence of the change of rainfall on tobacco growth and the occurrence of tobacco disease,the tobacco disease in Xingyi City had been investigated from 2009 to 2011.The results showed that there were 22 kinds of tobacco diseases happened in Xingyi,of which the main diseases were tobacco mosaic,cucumber mosaic,brown spot and tobacco black shank.The occurrence degree and varieties of tobacco disease changed each year with different rainfall.When the rainfall was lower,some kind of disease was more serious.Among them the disease index of tobacco mosaic and black shank was above 5.5 and these diseased plantes were generally mixed infected by more than two pathogens and four kinds of main mixed infection were extremely significant. |
| Keywords: | tobacco diseases drought percentage of the diseased plants disease index |
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