| 上海地区杂草稻发生分布与危害现状 |
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| 引用本文： | 沈国辉,唐国来,温广月,蒋耀培,钱振官,李涛,田志慧.上海地区杂草稻发生分布与危害现状[J].上海农业学报,2011,27(4). |
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| 作者姓名： | 沈国辉 唐国来 温广月 蒋耀培 钱振官 李涛 田志慧 |
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| 作者单位： | 1. 上海市农业科学院生态环境保护研究所,上海,201403
2. 上海市农业技术推广服务中心,上海,201103 |
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| 基金项目： | 上海市科技兴农重点攻关项目[沪农科攻字(2008)第2-1号]资助 |
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| 摘 要： | 连续两年对上海9个区县稻田杂草稻发生分布与危害现状进行了调查。结果表明:上海地区稻田杂草稻发生频率由2009年的22.29%上升至2010年的24.07%,乡镇分布率由2009年的75.89%上升到2010年的83.79%。上海地区杂草稻发生面积中的90.0%以上属于零星发生且不造成危害的1级,3级中度以上危害的发生面积仅占3.0%左右,5级严重危害的田块经过防治已经得到初步遏制。上海地区直播稻田和机插秧稻田杂草稻发生与分布趋势呈现一定的正相关性。
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| 关 键 词： | 杂草稻 发生 分布 危害 上海 |
Occurrence,distribution and damage of weedy rice in Shanghai |
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| SHEN Guo-hu,TANG Guo-lai,WEN Guang-yue,JIANG Yao-pei,QIAN Zhen-guan,LI Tao,TIAN Zhi-hui.Occurrence,distribution and damage of weedy rice in Shanghai[J].Acta Agriculturae Shanghai,2011,27(4). |
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| Authors: | SHEN Guo-hu TANG Guo-lai WEN Guang-yue JIANG Yao-pei QIAN Zhen-guan LI Tao TIAN Zhi-hui |
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| Institution: | SHEN Guo-hui~1,TANG Guo-lai~2,WEN Guang-yue~1,JIANG Yao-pei~2,QIAN Zhen-guan~1,LI Tao~1,TIAN Zhi-hui~1 (1 Eco-Environment and Plan Protection Research Institute,Shanghai Academy of Agricultural Sciences,Shanghai 201403,China,2 Shanghai Agricultural Technology Extension Service Center,Shanghai 201103,China) |
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| Abstract: | The occurrence,distribution and damage of weedy rice were investigated in 9 districts of Shanghai for two years.The result showed that the occurrence frequency increased from 22.29%in 2009 to 24.07%in 2010,and in terms of townships the incidence increased from 75.89%in 2009 to 83.79%in 2010. Over 90.0%of the area of weedy rice occurrence was scattered and had little bad effect on rice,being at Grade 1 in damage degree.About 3.0%of the area of weedy rice occurrence was at Grade 3 or above in damage degree.Th... |
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| Keywords: | Weedy rice Occurrence Distribution Damage Shanghai |
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