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中国农学通报

中国农学通报 ›› 2013, Vol. 29 ›› Issue (33): 337-340.doi: 10.11924/j.issn.1000-6850.2012-4084

所属专题： 水稻

• 植物保护 农药 • 上一篇    下一篇

2012年四川省稻飞虱大发生特点及原因分析

马利 廖华明 封传红 王胜   

  • 收稿日期:2012-12-19 修回日期:2013-02-21 出版日期:2013-11-25 发布日期:2013-11-25
  • 基金资助:
    国家自然科学基金

Anylysis of the Unusual Occurrence of Rice Planthopper in Sichuan Province in 2012

  • Received:2012-12-19 Revised:2013-02-21 Online:2013-11-25 Published:2013-11-25

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摘要： 2012年四川省稻飞虱大发生，具有迁入时间特别早、迁入峰次多、灯下田间虫量大、发生面积大等特点。造成大发生的原因主要是境外虫源基数大，根据工作经验判断作为四川省虫源地的广西虫量大以及四川省今年的气候条件有利于稻飞虱的迁飞、繁殖。

关键词: 土壤参比, 土壤参比

Abstract: Rice planthopper unusual occurred in Sichuan province in 2012, the occurrence characteristics liked the first immigration peak emerged early, the times of immigration peaks and the number of rice planthopper are both more than usually years. Anaylysed the reason of this unusual occurrence can draw a conclusion as follow: The base number of rice planthopper in oversea and Guangxi province were huge. At the same time, the climate of Sichuan province in 2012 was so suitable for rice planthopper to immigrate and propagate.