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Different Tea Germplasms Distinctly Influence the Adaptability of Toxoptera aurantii (Hemiptera: Aphididae)

文献类型： 外文期刊

作者： Lu, Changhao 1 ; Shen, Ni 3 ; Jiang, Wenbin 2 ; Xie, Bi 2 ; Zhao, Runa 1 ; Zhou, Guolan 3 ; Zhao, Degang 3 ; He, Yingqin 1 ; Chen, Wenlong 1 ;

作者机构： 1.Guizhou Univ, Inst Entomol, Guizhou Prov Key Lab Agr Pest Management Mountaino, Sci Observing & Expt Stn Crop Pest Guiyang,Minist, Guiyang 550025, Peoples R China

2.Guizhou Univ, Coll Tea Sci, Guiyang 550025, Peoples R China

3.Guizhou Acad Agr Sci, Guizhou Plant Conservat Ctr, Guiyang 550006, Peoples R China

关键词： Toxoptera aurantii; electropenetrography; feeding behavior; life table; host adaptability

期刊名称：INSECTS （ 影响因子：3.0； 五年影响因子：3.1 ）

ISSN：

年卷期： 2023 年 14 卷 8 期

页码：

收录情况： SCI

摘要： Aphids are typical phloem-sucking insect pests. A good understanding regarding their feeding behavior and population dynamics are critical for evaluating host adaptation and screening of aphid-resistant resources. Herein, the adaptability of Toxoptera aurantii (Boyer) (Hemiptera: Aphididae) to different hosts was evaluated via electropenetrography and an age-stage, two-sex life table on six tea germplasms: Zikui (ZK), Zhongcha108 (ZC108), Zhongcha111 (ZC111), Qianmei419 (QM419), Meitan5 (MT5), and Fudingdabaicha (FD). Our findings revealed that the feeding activities of T. aurantii differed considerably among the host plants. T. aurantii exhibited significantly more pathway activities on ZK and FD than on the other hosts. However, the duration of feeding of T. aurantii on ZK phloem considerably decreased compared with those of the other germplasms. Life parameters indicated that T. aurantii exhibited the highest intrinsic rate of increase (r), net reproductive rate (R0), and finite rate of increase (?) on MT5, and the maximum values of total longevity and oviposition period were recorded on FD; these variables were reduced significantly on ZK. The results of our study demonstrate that T. aurantii can successfully survive on the six tea germplasms; however, ZK was less suitable for T. aurantii and should be considered as a potential source of resistance in breeding and Integrated Pest Management.

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