论文部分内容阅读
柑桔臀纹粉蚧在上海地区常规栽培管理的十字景天上一年发生3代,以受精雌成虫或产卵雌成虫越冬。本文报导了此虫的年生活史及各虫态的生活习性、发育进程与历期,并测得其卵的发育起点温度为11.49±0.53℃;有效积温为73.11±3.39日度。以15%铁灭克颗粒剂根施;40%氧化乐果10O倍液浇灌,防治效果在97%以上.
Citrus Hyoscyamus mealybugs in Shanghai in the conventional cultivation and management of cross-day happen three generations a year to fertilizing female or oviposit adult females wintering. This article reports the annual life history of the pest and the living habits, developmental process and duration of each pest, and the onset temperature of the eggs was measured at 11.49 ± 0.53 ℃. The effective accumulated temperature was 73.11 ± 3.39 days. To 15% Tieke grams of granule root facilities; 40% omethoate 10O times watering, prevention and control of more than 97%.