The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
mian hua hong zhi zhu de chu bu guan cha
Pages: 55-59
Year: Issue:  2
Journal: Jiangsu Agricultural Sciences

Keyword:  棉红蜘蛛棉花红蜘蛛初步观察后若虫雌虫幼虫静止期瓢虫发生期蜕皮时间;
Abstract: <正> 近几年,棉红蜘蛛在我区发生为害面积逐年扩大,发生期提早,为害程度日趋严重。特别是旱作棉区,矛盾更为突出,严重发生的田块,往往造成棉株早落叶,形成光秆,对棉花的产量与品质影响很大,为摸清发生和为害规律,找出防治方法,我们于1975年对棉红蜘蛛进行了初步观察。现将结果整理如下:
Related Articles
loading...