Review: Sampling Weedy and Invasive Plant Populations for Genetic Diversity Analysis

Recent advances in molecular methods and statistical analyses provide weed scientists with powerful tools for examining the genetic structure of weedy plant populations. The value of these studies depends on effective sampling protocols; however, there is little consensus on how to sample plant popu...

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Bibliographic Details
Published in:Weed science 2009-11, Vol.57 (6), p.593-602
Main Authors: Ward, Sarah M., Jasieniuk, Marie
Format: Article
Language:English
Subjects:
AFLP
Evolutionary genetics
experimental design
Genetic diversity
genetic diversity analysis
Genetic loci
genetic markers
Genetic structures
Genetic variation
invasive species
ISSR
literature reviews
methodology
molecular markers
new methods
Plants
Population estimates
Population genetics
Population structure
RAPD
Sample size
sampling
sampling theory
spatial data
SSR
statistical analysis
WEED BIOLOGY AND ECOLOGY
weeds
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Summary:Recent advances in molecular methods and statistical analyses provide weed scientists with powerful tools for examining the genetic structure of weedy plant populations. The value of these studies depends on effective sampling protocols; however, there is little consensus on how to sample plant populations for genetic diversity analyses. In this review, we draw on published literature that incorporates sampling theory and spatial statistics in population genetic analyses to identify key factors to consider when designing a sampling strategy. We discuss how sampling design is affected by research objectives, biology of the study species, population structure, marker choice, and the genetic parameters to be investigated, and we offer suggestions on defining sampling units and developing sampling protocols.
ISSN:0043-1745
1550-2759
DOI:10.1614/WS-09-082.1