Please use this identifier to cite or link to this item: http://hdl.handle.net/10316/8145
Title: Mechanism of control of root-feeding nematodes by mycorrhizal fungi in the dune grass Ammophila arenaria
Authors: Peña, Eduardo de la 
Echeverría, Susana Rodríguez 
Putten, Wim H. van der 
Freitas, Helena 
Moens, Maurice 
Issue Date: 2006
Citation: New Phytologist. 169:4 (2006) 829-840
Abstract: Root-feeding herbivores can affect plant performance and the composition of natural plant communities, but there is little information about the mechanisms that control root herbivores in natural systems. This study explores the interactions between the pioneer dune grass Ammophila arenaria, arbuscular mycorrhizal fungi (AMF) and the root-feeding nematode Pratylenchus penetrans. Our objectives were to determine whether AMF can suppress nematode infection and reproduction and to explore the mechanisms of nematode control by AMF. A sequential inoculation experiment and a split-root experiment were designed to analyse the importance of plant tolerance and resistance and of direct competition between AMF and P. penetrans for the root herbivore and the plant. Root infection and multiplication of P. penetrans were significantly reduced by the native inoculum of AMF. Plant preinoculation with AMF further decreased nematode colonization and reproduction. Nematode suppression by AMF did not occur through a systemic plant response but through local mechanisms. Our results suggest that AMF are crucial for the control of root-feeding nematodes in natural systems and illustrate that locally operating mechanisms are involved in this process. New Phytologist (2006) 169: 8292013840© The Authors (2005). Journal compilation ©New Phytologist (2005) doi: 10.1111/j.1469-8137.2005.01602.x
URI: http://hdl.handle.net/10316/8145
DOI: 10.1111/j.1469-8137.2005.01602.x
Rights: openAccess
Appears in Collections:FCTUC Ciências da Vida - Artigos em Revistas Internacionais

Files in This Item:
File Description SizeFormat
obra.pdf419.89 kBAdobe PDFView/Open
Show full item record

SCOPUSTM   
Citations

124
checked on May 29, 2020

WEB OF SCIENCETM
Citations

116
checked on Sep 14, 2020

Page view(s)

165
checked on Sep 16, 2020

Download(s)

175
checked on Sep 16, 2020

Google ScholarTM

Check

Altmetric

Altmetric


Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.