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2012年浦北县稻飞虱发生特点及防控对策

Guangxi Plant Protection(2013)

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Abstract
<正>据普查统计,2012年浦北县稻飞虱发生面积为35566.66 ha,成灾面积为3320.00 ha,分别占全年水稻播种面积的97.00%和9.05%;经防治后挽回稻谷18634.56 t,实际损失稻谷3307.76 t。与大发生的1990年相比,发生面积和成灾面积分别增1.93%和45.96%,挽回损失和实际损失分别增38.12%和57.20%。1发生特点:1.1灯下始见期早,迁入峰次多,峰期长,虫量大。
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