摘要
【目的】豆天蛾Clanis bilineata tsingtauica Mell的滞育特性严重影响其幼虫的高效饲养。为探明光周期对豆天蛾滞育解除的影响。【方法】以刚被诱导滞育的豆天蛾老熟幼虫为虫源,设置光周期为L0∶D24、L8∶D16、L12∶D12和L16∶D84个处理,分析不同光周期处理间豆天蛾滞育后生物学特性的差异。【结果】光周期对豆天蛾滞育解除后各生物学特性有不同程度影响。随着光照时长逐渐增加,豆天蛾滞育持续时间和蛹期显著缩短(P<0.05);而化蛹率、蛹重和蛹长呈下降趋势,其中豆天蛾化蛹率在处理间存在显著性差异(P<0.05)。豆天蛾羽化率和成虫寿命在处理间没有显著差异,但单雌产卵量在长光照处理下显著减少(P<0.05)。【结论】长光照L16∶D8条件有利于缩短豆天蛾滞育持续时间和蛹期,但是也会造成化蛹率、蛹重及单雌产卵量等指标下降。
[Objectives]To determine the effect of post-diapause photoperiod on the biological characteristics of Clanis bilineata tsingtauica Mell.[Methods]Mature larvae were induced to diapause early and randomly assigned to one of four photoperiod treatment groups(L0∶D24、L8∶D16,L12∶D12 and L16∶D8).Several biological characteristics of each treatment group were then measured and compared.[Results]Post-diapause photoperiod affected different biological characteristics of C.bilineata tsingtauica to different degrees.Exposure to longer day-length significantly reduced the pupation rate,the duration of the diapause and pupal stage and the oviposition rate(P<0.05).Longer day-length also tended to reduce pupal weight and pupal length.Photoperiod had,however,no significant effect on emergence rate or adult longevity.[Conclusion]A longer photoperiod of L16∶D8 reduced the pupation rate,pupal weight,oviposition rate,and the duration of the diapause and pupal stage of C.bilineata tsingtauica.
作者
郭明明
李晓峰
赵雪君
陆明星
樊继伟
GUO Ming-Ming;LI Xiao-Feng;ZHAO Xue-Jun;LU Ming-Xing;FAN Ji-Wei(Lianyungang Academy of Agricultural Sciences,Institute of Lianyungang Agricultural Science of Xuhuai Area of Jiangsu,Lianyungang 222000,China;Guanyun County Plant Protection Station,Jiangsu Province,Lianyungang 222200,China;Yangzhou University,Yangzhou 225009,China)
出处
《应用昆虫学报》
CAS
CSCD
北大核心
2023年第1期150-155,共6页
Chinese Journal of Applied Entomology
基金
苏北科技专项项目(SZ-LYG202139)
江苏省农业科技自主创新资金项目[CX(20)3117]
连云港市财政专项资金项目(QNJJ2204)
关键词
豆天蛾
光周期
滞育
生物学特性
Clanis bilineata tsingtauica Mell
photoperiod
diapause
biological characteristics
作者简介
第一作者:郭明明,E-mail:gmm30277@163.com;通讯作者:樊继伟,E-mail:fantrta@163.com
