Mycorrhiza

, Volume 15, Issue 2, pp 87–91

Genetic analysis of phenotypic variation for ectomycorrhiza formation in an interspecific F1 poplar full-sib family

  • D. Tagu
  • C. Bastien
  • P. Faivre-Rampant
  • J. Garbaye
  • P. Vion
  • M. Villar
  • F. Martin
Original Paper

DOI: 10.1007/s00572-004-0302-9

Cite this article as:
Tagu, D., Bastien, C., Faivre-Rampant, P. et al. Mycorrhiza (2005) 15: 87. doi:10.1007/s00572-004-0302-9

Abstract

A plant’s capability to develop ectomycorrhizal symbiosis is under the control of both genetic and environmental factors. In order to determine the roles played by these different factors, we have performed a quantitative genetic analysis of the ability of poplar trees to form ectomycorrhizas. Quantitative genetics were applied to an interspecific family of poplar for which the two parental genetic maps had already been described, and for which data analyses concerning fungal aggressors were obtained. Quantitative trait loci (QTL) related to ectomycorrhiza formation were identified and located in the genetic maps of the two parents. One QTL was located at a linkage group of the genetic map of Populus trichocarpa showing a high concentration of several QTL involved in the pathogenic interaction with the fungus Melampsora larici-populina, the causal agent of leaf rust.

Keywords

MycorrhizaPoplarQuantitative trait lociRustSymbiosis

Copyright information

© Springer-Verlag 2004

Authors and Affiliations

  • D. Tagu
    • 1
    • 3
  • C. Bastien
    • 2
  • P. Faivre-Rampant
    • 1
    • 4
  • J. Garbaye
    • 1
  • P. Vion
    • 1
  • M. Villar
    • 2
  • F. Martin
    • 1
  1. 1.UMR INRA-UHP 1136 IaM Interactions Arbres/Micro-OrganismesINRAChampenouxFrance
  2. 2.Unité Amélioration Génétique et Physiologie ForestièresINRAOlivetFrance
  3. 3.UMR BiO3PINRA-RennesLe Rheu France
  4. 4.Unité de Recherches en Génomique Végétale (URGV-INRA)ÉvryFrance