Effects of Collembola and fertilizers on plant performance (Triticum aestivum) and aphid reproduction (Rhopalosiphum padi)

被引：32

作者：

Schutz, Kirsten ^{[1
]}

Bonkowski, Michael ^{[2
]}

Scheu, Stefan ^{[2
]}

机构：

[1] Univ Basel, Dept Environm Sci Biogeog & Appl Ecol, CH-4056 Basel, Switzerland

[2] Tech Univ Darmstadt, Inst Zool, D-64287 Darmstadt, Germany

来源：

BASIC AND APPLIED ECOLOGY | 2008年 / 9卷 / 02期

关键词：

soil organisms; soil nutrients; herbivory; belowground-aboveground interactions; microcosm; fecundity;

D O I：

10.1016/j.baae.2006.07.003

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

Effects of Collembola (Protaphorura fimata) on the development of wheat (Triticum aestivum) and the reproduction of aphids (Rhopalosiphum padi) were investigated at different soil nutrient concentrations in a laboratory experiment. Fertilization with N and NPK increased biomass and nitrogen content of wheat, aphid reproduction and abundance of Collembola. Presence of Collembola tended to decrease biomass of leaves and ears, and caused a delayed ear production of the plants. Aphid reproduction was significantly reduced in the presence of Collembola (-14%) and most pronounced in fertilizer treatments. We suggest that the reduction of aphid reproduction is caused by Collembola-mediated changes in resource allocation and growth of wheat. (c) 2007 Gesellschaft fur Okologie. Published by Elsevier GmbH. All rights reserved.

引用

页码：182 / 188

页数：7

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