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Gene flow in poplar - experiments, analysis and modeling to prevent transgene outcrossing

R Bialozyt   

iForest - Biogeosciences and Forestry, Volume 5, Issue 3, Pages 147-152 (2012)
doi: https://doi.org/10.3832/ifor0618-005
Published: Jun 13, 2012 - Copyright © 2012 SISEF

Technical Advances

Collection/Special Issue: COST Action FP0905
Biosafety of forest transgenic trees and EU policy directives
Guest Editors: Cristina Vettori, Matthias Fladung


The demand for energy and forestry products is globally increasing, raising the question if traditional breeding programs are efficient and fast enough to keep up with these demands. A possible solution seems to be the use of genetic engineering techniques, since classical breeding strategies are time-consuming and limited by species barriers. Besides the advantages of genetic engineering technologies, concerns are also raised by scientists regarding these methods. Consequently, risk analysis of genetic modified trees in plantation forestry is a fundamental research topic. This paper presents a sequence of steps in risk analysis dealing with genetic modified poplar clones in the natural environment, ranging from investigations of flowering phenology, to molecular identification of gene flow patterns and their statistical interpretation, to modeling approaches to simulate different scenarios of plantations using genetic modified poplars in realistic European landscapes. All steps are evaluated for their potential to forecast the risk of outcrossing of gene constructs into native populations. The application of the results achieved to short rotation plantations are discussed.

  Keywords


Poplar, Genetic Modified Trees, Flowering Phenology, Germination, Simulation Models

Authors’ address

(1)
R Bialozyt
Dept. of Conservation Biology, Philipps University of Marburg, Karl-von-Frisch-Straβe 8, D-35032 Marburg (Germany)

Corresponding author

Citation

Bialozyt R (2012). Gene flow in poplar - experiments, analysis and modeling to prevent transgene outcrossing. iForest 5: 147-152. - doi: 10.3832/ifor0618-005

Academic Editor

Gabriele Bucci

Paper history

Received: Jan 24, 2012
Accepted: May 23, 2012

First online: Jun 13, 2012
Publication Date: Jun 29, 2012
Publication Time: 0.70 months

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