| 2007年昭平县稻飞虱、稻纵卷叶螟发生特点及成灾原因分析 |
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| 引用本文： | 李绍忠,吴彩谦,李建清.2007年昭平县稻飞虱、稻纵卷叶螟发生特点及成灾原因分析[J].广西农业科学,2008,39(5). |
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| 作者姓名： | 李绍忠 吴彩谦 李建清 |
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| 作者单位： | 1. 昭平县五将镇农业服务中心,广西昭平,546815
2. 昭平县病虫测报站,广西,昭平,546800 |
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| 摘 要： | 稻飞虱和稻纵卷叶螟是昭平县水稻生产上的主要害虫 ,由于受到异常气候等因素的影响,2007年均达到大发生程度,害虫具有迁入峰期明显,迁入虫量大,发生面积大、范围广,田间虫口密度高,田间虫态结构复杂,为害严重等特点, 其原因主要与暴雨频繁、气候适宜、虫源地虫量充裕、成虫迁入数量大、田间残虫基数高、天敌控害能力下降等因素有关.在实际生产中,应加强田间虫情监测,准确掌握最佳防治时期,治前控后,减轻主害代防治压力,科学用药,改进施药方法,以提高施药防治效果.
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| 关 键 词： | 稻飞虱 稻纵卷叶螟 发生原因 监控对策 昭平 |
Occurrence and major cause for break-out of rice planthopper and rice leaf folder in Zhaoping County in 2007 |
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| LI Shao-zhong,WU Cai-qian,LI Jian-qing.Occurrence and major cause for break-out of rice planthopper and rice leaf folder in Zhaoping County in 2007[J].Guangxi Agricultural Sciences,2008,39(5). |
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| Authors: | LI Shao-zhong WU Cai-qian LI Jian-qing |
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| Institution: | LI Shao-zhong1,WU Cai-qian2,LI Jian-qing2(1.Agricultural Service Center of Wujiang Township of Zhaoping County,Zhaoping,Guangxi 546815,China,2.Pest Prediction Station of Zhaoping County,Guangxi 546800,China) |
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| Abstract: | Rice planthopper and rice leaf folder,the major pests in rice production in Zhaoping County,broke out heavily in 2007 because of abnormal weather.Due to frequent storms,suitable climate,abundant pests resources,large amounts of adult pests migration,high rate of remnants and the decline of natural enemy's prevention ability,the pests had the characteristics of obvious migration peak period,a large amount of pests migration,breaking out in a big area and wide range,high population density and complex structu... |
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| Keywords: | rice planthopper rice leaf folder occurrence cause monitoring countermeasures Zhaoping County |
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