柑桔红蜘蛛发生规律及其防治

• 作 者: 岳碧松
• 机 构: 中国农业科学院柑桔研究所
• 出 处: 中国柑桔
• 发表日期: 1988年01期
• 关键词: 柑桔红蜘蛛 潜叶蛾 冬雌 柑桔树 成螨 栅栏组织 托尔克 害虫防治 冬季气温 虫口密度

柑桔红蜘蛛是柑桔的主要害虫之一。现结合我们的研究课题,对其发生规律与防治简述如下。 柑桔红蜘蛛的发生規律 柑桔红蜘蛛周年寄生在柑桔树上,每年发生许多代(如在四川重庆一年发生17代左右)。该螨以雌成螨或卵在柑桔枝叶上越冬,特别是在潜叶蛾为害的僵叶上最多。越冬雌成螨在5℃以上即可陆续产卵,若冬季气温高,雨水少,积累大量虫源,势必

Citrus red spider is one of the major pests of citrus. Now combined with our research topics, the rules of their occurrence and prevention are summarized as follows. Occurrence rules of citrus red spider Citrus red spider annual parasitic on citrus trees, many generations occur each year (such as occurred in Chongqing in Sichuan for about 17 generations a year). The mite to female mites or eggs over the branches and leaves of citrus overwinter, especially in the dead leaf damage leaf moth most. Overwintering female adult mites in 5 ℃ or more to spawn, if the winter high temperature, less rainfall, the accumulation of a large number of insect sources, bound to