机构地区: 江苏科技大学生物与环境工程学院
出 处: 《蚕业科学》 2005年第3期344-347,共4页
摘 要: 应用Jackknife技术,研究了朱砂叶螨在桑树品种育71-1上的种群动态,并用Weibull模型对种群存活特征进行了分析。结果表明:在(26±1)℃,RH85%,L∶D=16∶8的光照条件下,朱砂叶螨内禀增长率为0.3442±0.0041,净增殖率为40.5015±2.5840,周限增长率为1.4108±0.0058,世代平均周期为10.7598±0.1182,种群倍增时间为2.0135±0.0241,存活率曲线表现为DeeveyⅠ型。 The laboratory population parameters of carmine spider mite ( Tetranychus cinnabarinus) on mulberry Yu 71-1 were studied using Jackknife techniques. The survival population was analyzed with Weibull model under (26 ±1 ) ℃,RH85% ,16L:8D. The fertility life table parameters were as follows, rm =0. 344 2 ± 0.004 1,R0 =40.5015 ± 2.5840,λ =1.4108 ±0.0058, T=10.7598±0.1182,DT=2.0135 ±0.024 1. The population survival curve belongs to type of Deevey Ⅰ.