Demography of Cacopsylla chinensis (Hemiptera: Psyllidae) Reared on Four Cultivars of Pyrus bretschneideri (Rosales: Rosaceae) and P. communis Pears With Estimations of Confidence Intervals of Specific Life Table Statistics
文献类型: 外文期刊
作者: Wei, Mingfeng 1 ; Chi, Hsin 3 ; Guo, Yongfu 1 ; Li, Xianwei 1 ; Zhao, Longlong 4 ; Ma, Ruiyan 1 ;
作者机构: 1.Shanxi Agr Univ, Coll Plant Protect, Taigu 030801, Shanxi, Peoples R China
2.Shanxi Acad Agr Sci, Cotton Res Inst, Yuncheng 044000, Shanxi, Peoples R China
3.Natl Chung Hsing Univ, Dept Entomol, Taichung 402, Taiwan
4.Shanxi Acad Agr Sci, Inst Pomol, Taiyuan 030031, Shanxi, Peoples R China
关键词: Cacopsylla chinensis; life table; pear cultivars; bootstrap
期刊名称:JOURNAL OF ECONOMIC ENTOMOLOGY ( 影响因子:2.381; 五年影响因子:2.568 )
ISSN: 0022-0493
年卷期: 2020 年 113 卷 5 期
页码:
收录情况: SCI
摘要: The psyllid Cacopsylla chinensis (Yang & Li) (Hemiptera: Psyllidae) is a serious pest of pears in China. To determine and contrast the fitness of the psyllid on two endemic cultivars of Pyrus bretschneideri (i.e., BHXS and BSL) and two introduced cultivars of Pyrus communis (i.e., CB and CRB), we analyzed data on the development, survival, and fecundity from C. chinensis individuals reared on the four cultivars. The age-stage, two-sex life table theory was used in order to enable the inclusion of males in the analysis as well as a means of identifying the variation in developmental durations among individuals. Results indicated that C. chinensis can successfully develop and reproduce on all four pear cultivars. However, based on the lower preadult survival rate, longer preadult duration, longer total preoviposition period (TPOP), and lower fecundity that occurred on both cultivars of P. communis, these two cultivars are less favorable hosts for C. chinensis than the P. bretschneideri cultivars. The lower intrinsic rate of increase (r), finite rate of increase (lambda), and net reproduction rate (R-0) on CB and CRB pears showed these two introduced cultivars are more resistant to C. chinensis than the endemic BHXS and BSL pears. These resistant cultivars would be appropriate candidates for managing C. chinensis. We used the bootstrap technique to estimate the uncertainty of the population parameters (r, lambda, R-0, etc.), while also demonstrating that it can be used for estimating the 0.025 and 0.975 percentile confidence intervals of the age of survival rate. [GRAPHICS] .
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