摘要
杨始叶螨以受精雌成螨在柳树的树干裂缝内、翘皮下、虫孔内越冬。翌年３月底日均温达７℃以上，柳树展叶盛期开始出蜇，４月上旬为出蜇盛期（占出蜇总量的８６．９％）。全年发生盛期在５月中旬至７月上旬。该螨成螨喜在卷叶、叠叶、瘤瘿叶内群集、吐丝拉网。根据该螨的发育起点温度和有效积温，利用泰安市气象局温度资料，计算出该螨在泰安地区１ａ可发生１１代，最少１０代。
Eotetranychus populi (Koch),hibernates by impregnated female adult in the fissures, galls and the holes of the willow tree It begins to appear in the late March, when the average daily temperature reaches 7℃ and most of willow buds unfold The peak of emergence is in early April The peak of occurrence in the year is from the middle June to the early July The adult prefers crowding and webbing in the rolls of leaves and galls According to the development zero temperature, the effective accumulative temperature of the spider mite, and the meteorological data of Tai'an city, there were 11 generations in average with the minimum of 10 and maximum of 12
出处
《植物保护》
CAS
CSCD
北大核心
1997年第3期14-16,共3页
Plant Protection
关键词
杨始叶螨
发生规律
杨树
柳树
害虫
Eotetranychus populi (Koch), occurrence regularity
