稻纵卷叶螟以幼虫危害稻叶,将稻叶卷成筒状苞,在其中取食稻叶上的表皮和叶肉,造成大量白叶,尤其是在早稻后期,功能叶片被取食后,影响迟熟早稻后期的灌浆实籽,已成为明显降低早稻产量的一个主要因子,因此,必须抓住适期防治。 Rice leaf roller harm rice leaves by larvae, the rice leaf rolled into a cylindrical bracts, in which feeding the epidermis and mesophyll on rice leaves, resulting in a large number of white leaves, especially in the early rice, the functional leaves are fed, The effect of late maturing late filling of grouted seeds has become a significant factor in reducing the yield of early rice, therefore, we must seize the appropriate control.