2006年江苏盐城水稻褐飞虱的发生及防治

Cause of the Brown Lice's Occurrence and the Prevention and Cure Countermeasures in Yandu Area in 2006

2006年江苏省盐城褐飞虱大暴发,是近10年来最重的1年,表现出:迁入期早,峰次多,迁入量大,田间虫量高,三、四代连续大发生,危害时间长等特点,对水稻产量造成了严重影响。在防治方面,按照统防统治的原则,采取“压前控后”与“狠治主害代”的防治策略,取得了很好的防治效果。

The brown lice broke out in Yandu area, Yancheng in 2006, which has been the most serious in the past ten years. The characteristics are following. The brown lice move into the field early and in a large amount meanwhile. Therefore, the quantity of the lice in the field is so high. At the same time, the third and the forth generations occur in a row. The above have had deadly effects on output of the paddy rice. During the period of prevention and cure, the countermeasures that we take are to control early and to cure the main generation. They have got very good prevention and cure effects.