RNGR.net is sponsored by the USDA Forest Service and Southern Regional Extension Forestry and is a colloborative effort between these two agencies.

U.S. Department of Agriculture USDA Forest Service Southern Regional Extension Forestry Southern Regional Extension Forestry

Fusiform rust- a model for marker assisted selection in loblolly pine?

Recent advances in DNA marker technology have enabled forest geneticists to better dissect the genetic bases for complex traits such as host pathogen interactions. Information from such experiments can be directly integrated into breeding programs, with the potential for significantly advancing the rate of gain in resistance breeding. Here we describe the steps involved in marker assisted selection, including hypothesis development regarding major gene presence and mode of action, mapping resistance loci with DNA markers via cosegregation analysis, and the subsequent use of this information for breeding purposes. This approach effectively integrates some of the recently developed tools of molecular biology with the more traditional quantitative genetics to solve problems in tree breeding that have not previously been considered tractable.


Download this file:

PDF document Download this file — PDF document, 354Kb

Details

Author(s): P. L. Wilcox, Henry V. Amerson, David M. O'Malley, S. Carson, M. J. Carson, G. C. Kuhlman, Ronald R. Sederoff

Publication: Tree Improvement and Genetics - Southern Forest Tree Improvement Conference - 1993

Section: Concurrent Session 3: Softwood Propagation