›› 1999, Vol. 42 ›› Issue (2): 145-149.

• 研究论文 • 上一篇    下一篇

环境因子对角倍蚜秋迁蚜生殖和雌性蚜发育的影响

邱明生, 赵志模, 李隆术   

  • 出版日期:1999-05-20 发布日期:1999-05-20

EFFECT OF ENVIRONMENTAL FACTORS ON FECUNDITY OF FALLMIGRANTS AND DEVELOPMENT OF SEXUAL FEMALES OF SCHLECHTENDALIA CHINENSIS (BELL)

Qiu Ming-sheng,Zhao Zhi-mo,Li Long-shu   

  • Online:1999-05-20 Published:1999-05-20

摘要: 研究了环境因子对角倍蚜Schlechtendalia chinensis (Bell) 秋迁蚜生殖和雌性蚜发育的影响。温、湿度单因子试验表明,秋迁蚜在26℃和80%RH条件下有最大生殖量;温、湿度对秋迁蚜生殖量的影响均符合开口向下的二次抛物线变化趋势,极端温、湿度会导致生殖量的下降。采用三元一次正交组合设计,研究了环境温度(X1)、湿度(X2)和光照强度(X3)三因子不同水平组合对雌性蚜发育的影响,表明温度是影响发育历期的主要因子,其次是光照强度,最后是湿度。因此,适当高温、强光照条件可以加快雌性蚜发育;而适当高湿条件可以降低雌性蚜的发育速率而延长其发育历期。在人工培育角倍蚜生产中,创造有利于秋迁蚜生殖的温、湿度条件可以使秋迁蚜产下较多的越冬侨蚜;在适当降低温度、增加湿度的阴暗条件下贮留雌性蚜可以适当延长其发育,以使角倍蚜与盐肤木在物候上达到最佳吻合。

关键词: 瘿绵蚜科, 角倍蚜, 生殖, 发育, 环境因子

Abstract: The effect of environmental factors on the fecundity of fall-migrants and development of sexual females of Schlechtendalia chinensis (Bell) was examined. Using single trials of temperatures ranging from 14℃ to 34℃ and humidities ranging from 100 to 50%RH , the results showed that the fecundity of fallmigrants is essentially related to temperature and humidity, and the most optimum temperature and humidity for reproduction are 26℃ and 80%RH, respectively. Through orthogonal combinations of temperature (X1), humidity(X2), and light intensity (X3) at different levels, the results suggested that temperature is primarily responsible for the development of sexual females, followed by humidity and light intensity. The optimal regression equation between development period (Y) and temperature (X1), humidity (X2),light intensity (X3) was achieved as:Y=26.807-.700X1+1.825X2-2.725X3. Considerably low temperature combined with higher humidity and weaker light intensity caused a decrease in the rate of development of sexual females.

Key words: Pemphigidae, Schlechtendalia chinensis, fecundity, development, environmental factor