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七十年代以前,白背飞虱Sogatclla fu-rcifera(Horvath)在我省稻田仅是局部偶然性发生危害.如今,随着品种的更换和肥水条件的改善,适生寄主充裕,加上大量使用化学农药,降低了自然天敌的控制作用.因此,目前此虫不但已成为普遍性、常发性的害虫之一,而且近几年来有加重的趋势.现据近十年来在沙县等地调查观察以及参阅有关的资料.针对我省白背飞虱发生危害特点,提出防治策略与措施.
Seventies, Sogatclla fu-rcifera (Horvath) in the rice fields in our province is only a partial accidental harm now, with the replacement of varieties and fertilizer and water conditions improve the abundance of suitable host, coupled with the extensive use of chemistry Pesticides, reducing the control of natural enemies Therefore, this worm has now become not only one of the common and frequent pests, but also aggravating trend in recent years.According to the past decade in Shaxian and other places to investigate and See the relevant information.According to the characteristics of the occurrence of whitebacked planthoppers in our province, put forward control strategies and measures.