Studies on diapause of Tetranychus urticae Koch.
Author of the article:PIAO Chun-Shu,ZHOU Yu-Shu,QIU Gui-Sheng,LIU Chi-Lin
Author's Workplace：(Research Institute of Pomology,Chinese Academy of Agricultural Science,Xingcheng,LiaoningProvince 125100,China).
Key Words：T.urticae;diapause;temperature;photoperiod
Abstract：The experiments of diapause induction showed that both short daylength and low temperature were major factors of diapause induction in T.urticae.The critical daylength for Tianshui population was estimated to be 9h42min at 15℃,and the critical tem