基于功能反应和两性生命表评价番茄潜叶蛾的取食能力和生长发育

doi:10.16380/j.kcxb.2023.04.010

昆虫学报 ›› 2023, Vol. 66 ›› Issue (4): 531-537.doi: 10.16380/j.kcxb.2023.04.010

基于功能反应和两性生命表评价番茄潜叶蛾的取食能力和生长发育

周军辉¹, 罗文芳¹, 何伟¹, 孙晓军¹, 仲卫娟², 许建军^1,*

(1. 新疆农业科学院植物保护研究所, 农业农村部西北荒漠作物有害生物综合治理重点实验室, 乌鲁木齐 830091; 2. 阜康市农业技术推广中心,阜康 831500)

出版日期:2023-04-20 发布日期:2023-06-01

Evaluation of feeding capacity and growth and development of Tuta absoluta (Lepidoptera: Gelechiidae) based on functional responses and two-sex life table

ZHOU Jun-Hui¹, LUO Wen-Fang¹, HE Wei¹, SUN Xiao-Jun¹, ZHONG Wei-Juan², XU Jian-Jun^1,*

(1. Laboratory of Integrated Pest Management on Crops in Northwestern Oasis, Ministry of Agriculture and Rural Affairs, Institute of Plant Protection, Xinjiang Academy of Agricultural Sciences, Urumqi 830091, China; 2. Fukang Agricultural Technology Extension Center, Fukang 831500, China)

Online:2023-04-20 Published:2023-06-01

摘要/Abstract

摘要： 【目的】番茄潜叶蛾Tuta absoluta是茄科作物重要的害虫。本研究旨在明确番茄潜叶蛾的取食能力、种内竞争及生长发育情况，为有效防控番茄潜叶蛾提供理论依据。【方法】在实验室条件下利用功能反应方程、自身干扰模型及两性生命表对番茄潜叶蛾的取食能力(取食量)、种内竞争作用(分摊竞争强度)、生长发育和繁殖参数(发育历期、成虫寿命、雌雄性比、单雌产卵量和存活率)及种群参数（内禀增
长率、周限增长率、净增殖率及平均世代周期）进行测定。【结果】番茄潜叶蛾3和4龄幼虫取食番茄叶片的的功能反应均符合Holling Ⅱ型，其对番茄叶片的搜寻效率分别为0.448和0.363，处理时间分别为0.018和0.006 d，每日最大取食量分别为55.56和166.67 mg。在食物量一定的条件下，番茄潜叶蛾3和4龄幼虫间存在较强的种内竞争，且3龄幼虫的分摊竞争强度大于4龄幼虫的。通过两性生命表对番
茄潜叶蛾的种群参数分析表明，取食番茄叶片时其内禀增长率、周限增长率、净增殖率及平均世代周期分别为0.09 d-1, 1.09 d-1, 19.80和32.92 d。【结论】番茄潜叶蛾的4龄幼虫取食能力强，且其世代繁殖速度快，对番茄作物危害程度大，开展番茄潜叶蛾幼虫取食能力及生长发育的研究对其防治具有重要的指导意义。

关键词: 番茄潜叶蛾；功能反应；种内竞争；取食能力, 生长发育, 两性生命表

Abstract: 【Aim】 The tomato leaf miner, Tuta absoluta, is a destructive pest on solanaceous crops. This study aims to clarify the feeding capacity, intraspecific competition and growth and development of T. absoluta, so as to provide a theoretical basis for the effective control of T. absoluta. 【Methods】 The feeding capacity (food consumption), intraspecific competition (intensity of scramble competition), growth, development and reproductive parameters (developmental duration, adult longevity, female to male sex ratio, number of eggs laid per female and survival rate) and population parameters (intrinsic rate of increase, finite rate of increase, net reproductive rate and mean generation time) of T. absoluta were determined under laboratory conditions based on functional response equation, intraspecific interference model and two-sex life table. 【Results】 The functional responses of the 3rd and 4th instar larvae of T. absoluta fed on tomato leaves fitted to the Holling Ⅱ model, and their searching efficiencies to tomato leaves were 0.448 and 0.363, their handling time to tomato leaves was 0.016 and 0.008 d, and the daily maximum food consumption was 55.56 and 166.67 mg, respectively. Under the conditions of the given amount of diet, there was strong intraspecific competition between the 3rd and 4th instar larvae of T. absoluta, and the intensity of scramble competition of the 3rd instar larva was stronger than that of the 4th instar larva. The population parameters of T. absoluta analyzed by the two-sex life table showed that the intrinsic rate of increase, finite rate of increase, net reproductive rate and mean generation time of T. absoluta fed on tomato leaves were 0.09 d-1, 1.09 d-1, 19.80 and 32.92 d, respectively. 【Conclusion】 The 4th instar larva of T. absoluta has strong feeding capacity, and its generational reproduction speed is fast, causing serious harm to tomato crops. The research on the feeding capacity and growth and development of T. absoluta larva has important guiding significance for its control.

Key words: Tuta absoluta, functional response, intraspecific competition, feeding capacity; growth and development, two-sex life table

周军辉, 罗文芳, 何伟, 孙晓军, 仲卫娟, 许建军. 基于功能反应和两性生命表评价番茄潜叶蛾的取食能力和生长发育[J]. 昆虫学报, 2023, 66(4): 531-537.

ZHOU Jun-Hui, LUO Wen-Fang, HE Wei, SUN Xiao-Jun, ZHONG Wei-Juan, XU Jian-Jun. Evaluation of feeding capacity and growth and development of Tuta absoluta (Lepidoptera: Gelechiidae) based on functional responses and two-sex life table[J]. Acta Entomologica Sinica, 2023, 66(4): 531-537.

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基于功能反应和两性生命表评价番茄潜叶蛾的取食能力和生长发育

Evaluation of feeding capacity and growth and development of Tuta absoluta (Lepidoptera: Gelechiidae) based on functional responses and two-sex life table

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