文献类型: 外文期刊
作者: Yang, Jin;Bang, Hao;Yang, Hanjing;Zhao, Jun;Farhan, Muhammad;Ma, Xiaoyan;Zhang, Shuai
作者机构:
关键词: adaptability;Aphis gossypii glover;biotype;Capsicum annuum;life table
期刊名称: BULLETIN OF ENTOMOLOGICAL RESEARCH
ISSN: 0007-4853
年卷期: 2025 年
页码:
收录情况: SCIE(2025版)
摘要: Aphis gossypii Glover (Hemiptera: Aphididae) is a significant pest of Capsicum annuum (Solanales: Solanaceae) and exhibits intraspecific differentiation within populations. To investigate the adaptability of Hap3 and Hap17 A. gossypii to various C. annuum varieties, including 'Lvzhou101' (LZ), 'Lashen' (LA), 'Saierweilvtianjiao' (SE), 'Haimaihongri' (HM), 'Chaotianjiao' (CT), and 'Luosijiangjun' (LS), we employed life tables to analyse growth and population parameters post-feeding and conducted petri dish host choice experiments to assess the host plant preference of A. gossypii. Survival rates of A. gossypii varied significantly across C. annuum varieties. Notably, Hap3 and Hap17 thrived on 'LZ' but failed to establish populations on 'LA'. The net reproductive rate (R0), average generation time (T), and intrinsic rate of increase (rm) differed markedly between Hap3 and Hap17 across C. annuum varieties. Feeding on 'LZ' resulted in a significantly higher R0 value (26.49) for Hap3 relative to other varieties. The T (7.60 days) and rm (0.27) values for Hap3 on 'SE' were superior to those observed on other C. annuum varieties. These findings indicate that 'SE' is the optimal host for Hap3 growth, while 'LZ' best supports Hap17. Both haplotypes exhibited the lowest adaptability to 'LA'. Therefore, the utilisation capacity of A. gossypii populations on C. annuum demonstrates differentiation, and the resistance levels among C. annuum varieties to A. gossypii vary. This differentiation can inform targeted management strategies for aphid infestations on pepper crops.
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