【作者】 蓝江林； 贺福德； 王俊刚； 王宏跃；

【Author】 LAN Jianglin HE Fude WANG Jungang WANG Hongyao (Shihezi University,Shihezi,Xinjiang 832003,China)

【机构】 石河子大学；

【摘要】 通过二次通用旋转组合设计方法,进行了棉蚜茧蜂对棉蚜种群控制作用的研究。得到回归模型:Y=131.4+45.4X₁+42.01X₂-23.52X₁²+9.24X₂²+8.0X₁X₂。对控制模型进行分析,表明在设计水平范围内,棉蚜茧蜂对棉蚜种群的控制作用随棉蚜茧蜂、棉蚜密度的增加而增大,二者之间的干扰作用不十分明显。当棉蚜茧蜂、棉蚜的密度均超过一定范围时,种间、种内相互干扰作用增加,对棉蚜种群的控制作用反而减弱。更多还原

【Abstract】 By using quadratic regression common rotation design,the parasitizing action of Lysiphlebia japonica（Ashead）parasite on Aphid gossypii Glover was studied under experimental condition,and regression model was obtained as:Y = 131.4 + 45.4X₁ + 42.01X₂-23.52X₁²+ 9.24X₂²+ 8.0X₁X₂.The analysis on the model indicted that the control efficiency of L.japonica（Ashead）parasites on A.gossypii Glover was increasing along with their densities under experimental condition,but the disturbing action was not obvious between them.When their densities was larger than certain range,the disturbing action increased in species and between species,instead the control action on A.gossypii Glover decreased.更多还原