近年来,我所晚稻生长后期,常常遭致飞虱猖獗危害,严重障碍了晚稻的丰产丰收。由于它在晚稻上的发生、危害具有隐蔽性、暴发性和抗药性,采用一般常用的防治飞虱效果好的农药,如甲六(乙六)混合粉、马拉硫磷(4049)、乐果、硫特普(即203)等单施或混合施均难收到理想的防治效果,致使晚稻生长后期出现施药次数多,用药量大,产品残毒高,人畜食用又严重影响了健康。 In recent years, the late rice growing stage of our country was often endangered by the rampant planthoppers, seriously hindering the high yield of late rice. Because of its occurrence on late rice, the harm is hidden, outbreak and drug resistance, using commonly used pesticides that are effective against planthoppers, such as A6 (B6) powder, malathion (4049), Fruit, Sulfur (ie 203) and other single or mixed facilities are difficult to receive the desired control effect, resulting in late rice late emergence of more than the number of drug administration, the amount of drug consumption, high product residues, human and animal consumption has seriously affected the health.