湘南水稻二化螟发生现状及防治对策

Occurrence and Control of Rice Stemborer in Southern Hunan

根据地区近年来水稻二化螟的危害情况,对湘南地区的衡阳县、涟源市、衡南县、茶陵县等地区二化螟发生规律及发生原因进行了调查。针对二化螟基数不断增多,抗药性不断增强等问题,开展了水稻主要害虫绿色防控技术示范,并取得了良好防效。

According to the damage condition of rice-stemborer in recent years in South Hunan region,a investigation about the occurrence law and reason of rice-stemborer in Hengyang,Hengnan,Chaling County and Lianyuan City had been implemented.In addition,to deal with problems of stemborer occurrence increasing and drug resistance continually enhancing,demonstration about the rice main vermin green prevention and control technology had been carried out,and a good effect had been achieved ultimately.