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A functional response evaluation of pre-infestation with Bemisia tabaci cryptic species MEAM1 on predation by Propylea japonica of Myzus persicae on host plant tomatoes

文献类型： 外文期刊

作者： Yang, Fan 1 ; Tan, Xiao-Ling 2 ; Liu, Fang-Hua 3 ; Wang, Su 4 ; Chen, Ju-Lian 2 ; Yi, Tu-Yong 1 ;

作者机构： 1.Hunan Agr Univ, Coll Plant Protect, Changsha, Hunan, Peoples R China

2.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing, Peoples R China

3.Univ Chinese Acad Sci, State Key Lab Integrated Management Pest Insects, Inst Zool, Beijing, Peoples R China

4.Beijing Acad Agr & Forestry Sci, Inst Plant & Environm Protect, Beijing 100097, Peoples R China

关键词： Induced defense;Infestation density;Infestation duration;Systemic defense;Functional response

期刊名称：ARTHROPOD-PLANT INTERACTIONS （ 影响因子：1.988； 五年影响因子：2.059 ）

ISSN： 1872-8855

年卷期： 2017 年 11 卷 6 期

页码：

收录情况： SCI

摘要： Herbivore feeding on host plants may induce defense responses of the plant which influence other herbivores and interacting species in the vicinity, such as natural enemies. The present work evaluated the impact of pre-infestation with the tobacco whitefly Bemisia tabaci cryptic species MEAM 1, on the predation ability of the ladybird Propylea japonica, to the green peach aphid Myzus persicae, on tomato plants. The results show that B. tabaci pre-infestation density, duration, and leaf position, can impact prey consumed by P. japonica under various aphid densities. The aphids consumed by P. japonica in each treatment were fit using the Holling type II functional response equation. The predatory efficiency (a/T-h) of P. japonica was the highest in the treatment with 60 aphids and 48-h infestation directly on damaged leaves. The predatory efficiencies of P. japonica decreased with a reduction of pre-infestation density and duration. We also observed that pre-infestation on young and undamaged leaves increased predation by P. japonica.

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