微山湖区水稻条纹叶枯病大发生原因及防治对策

Occurrence Reasons and Control Countermeasures of Rice Stripe Tenuivirus in Weishan Lake

水稻条纹叶枯病(Rice stripe tenuivirus),是由灰飞虱[Laodelphax striatellus(Fallen)]传播的病毒性病害,分析2008年大发生的原因:一是传毒昆虫数量大,带毒率高;二是感病品种面积大;三是防治不及时,提出防治对策:种植抗病品种;吡虫啉浸种;秧田治虫防病,综合利用以上措施,可控制水稻条纹叶枯病的发生。

Rice stripe tenuivirus is a viral disease which is transmissioned by planthopper. In 2008,the occurrence reasons were as follows ： the first was the large volume of mass poisoning insects and high virus transmission rate, the second was susceptible large area, the third was that controlling was not in time.Some countermeasures were put forward,such as planting resistant varieties ,Imidacloprid soaking and seedling field pest prevention. With the utilization of these measures, it would hold the occurrence of Rice stripe tenuivivus.