摘要
枸杞木虱在西宁地区一年发生2代，以成虫在土缝及附近杂草枝权处越冬．翌年3月下旬至4月上旬成虫开始活动，4月下旬在新发嫩叶上产卵．若虫孵化后营固定生活，取食芽梢汁液，导致新叶畸形，提早干枯落叶．在越冬代成虫发生期及第一代、第二代2～3龄若虫发生盛期用化学药剂进行防治，可有效地降低该虫的危害．
Paratrioza sinica occurs 2 generation in one year in Xining area, it over winter at adult in soil and the branch fork of weeds near by the fields. Its acting is start during March and April of next year and lays egg on new developing leafs during third decade of April. The life of nymph is fixation, the nymph mainly feeds the juice of new sprout so that it cause new leaf malformation and falling at early time. During the harming time of overwinter adult the first and second instar of nymph, it could be controlled effectively by pesticide.
出处
《青海师范大学学报（自然科学版）》
2006年第4期91-94,共4页
Journal of Qinghai Normal University(Natural Science Edition)
关键词
枸杞木虱
生物学特性
防治
Paratrioza sinica
biological characteristics
control
作者简介
谭大凤（1957-），女（汉族），湖北巴东人，青海大学实验师．
