论文部分内容阅读
柑桔大实蝇在宜昌地区的秭归、兴山、宜昌等柑桔主产县均有分布。据记载,建国以来本地区于1956、1964、1974、1982年曾4次大发生,先后组织了多次联防,取得较好效果。但近年来;随着柑桔生产大发展,大实蝇危害有所回升。一是分布范围扩大。据宜昌县柑桔植保站1989年普查,全县有63个村、297个村民小组发生大实蝇危害,比1986年增加了
Citrus fruit fly in Yichang, Zigui, Xingshan, Yichang and other major citrus producing counties are distributed. According to the records, since the founding of the People’s Republic, the region has witnessed four major incidents in 1956, 1964, 1974 and 1982, and has successively organized many joint defense and achieved good results. However, in recent years, with the great development of citrus production, the damage of the fruit fly has picked up. First, the distribution of expanded. According to the 1989 Yichang citrus plant protection station census, the county has 63 villages, 297 villagers group occurred Dianthus harm than in 1986 increased