Molecular genecology of temperature response in Lolium perenne: 1. preliminary analysis to reduce false positives

N. Ruaraidh Sackville Hamilton, Leif Skøt, Ken H. Chorlton, Ian D. Thomas, Susan Mizen

Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

23 Dyfyniadau(SciVal)

Crynodeb

Molecular genecology is the study of geographical clines in frequencies of molecular markers and their relationship to ecological clines in environmental conditions. This study outlines the principles underlying the selection of populations, focusing on avoiding ‘false positives’— noncausal correlations between allele frequency and the environment. The principles are illustrated by identifying a set of populations of Lolium perenne for the study of temperature responses. The selected set of populations encompasses a 20 °C range in mean January temperature. Their freezing tolerance shows a linear trend with winter temperature, LT50 decreasing by 0.25 °C for each 1 °C reduction in mean January temperature.
Iaith wreiddiolSaesneg
Tudalennau (o-i)1855-1863
CyfnodolynMolecular Ecology
Cyfrol11
Rhif cyhoeddi9
Dynodwyr Gwrthrych Digidol (DOIs)
StatwsCyhoeddwyd - 03 Medi 2002

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