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4 - Plant Population Genetics

from Part II - Scientific Background

Published online by Cambridge University Press:  05 September 2020

Nigel Maxted ,
Danny Hunter  and
Rodomiro Ortiz Ríos
Nigel Maxted
Affiliation:
University of Birmingham
Danny Hunter
Affiliation:
Bioversity International
Rodomiro Ortiz Ríos
Affiliation:
Swedish University of Agricultural Sciences
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Summary

Plant genetic conservation ensures the genetic variation held within species is maintained and remains available for use.Population genetics is that branch of genetics studying the factors determining, maintaining and changing variation in populations. The main subject of study relates to factors affecting changes in allele frequency and how population genetic knowledge can be used to improve the effectiveness of the sampling of diversity conserved either in gene banks or other ex situ facilities or in situ in genetic reserves or on-farm. This chapter describes the theory underpinning population genetics and how to use this knowledge for providing a sound and effective strategy and ensuing plan of work for collecting, conserving and using plant genetic diversity.

Keywords

Genetic drift –Gene frequency –Migration –Mutation –Random mating –Population size –Sampling variation –Selection
Type
Chapter
Information
Plant Genetic Conservation , pp. 102 - 113
Publisher: Cambridge University Press
Print publication year: 2020

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