六堡茶产区茶园小绿叶蝉及天敌蜘蛛的调查

Investigation on the occurrence of leafhopper and its natural enemy spider in tea plantation of Liupao tea producing area

2015年调查广西苍梧县六堡茶产区老龄和幼龄茶园小绿叶蝉的发生和危害程度以及天敌蜘蛛的发生状况。结果表明:小绿叶蝉全年有2个发生高峰期,4月为主高峰期,危害较重,7月为次高峰期;老龄茶园小绿叶蝉的发生较幼龄茶园的少,危害较轻。4—11月是天敌蜘蛛的活动高峰期,蜘蛛在老龄茶园的数量较低龄茶园的多。

The occurrence and the damage of leafhopper and the occurrence of its natural enemy spider in old tea plantation and young tea plantation were investigated in 2015. The results showed that the population dynamics of leafnopper within a year displayed double peak curve, one population peak happened in April, the damage of which was more serious compared to the other population peak happened in July The amount and the damage of leafhopper in the old tea plantation were lower than those in the young tea plantation. Spiders were active during April to November and the amount of the spiders in old tea plantation was larger than that in the young tea plantation.