Pollen flow in Eucalyptus grandis determined by paternity analysis using microsatellite markers

Jones, Megan E., Shepherd, Mervyn, Henry, Robert and Delves, Angela (2008) Pollen flow in Eucalyptus grandis determined by paternity analysis using microsatellite markers. Tree Genetics & Genomes, 4 1: 37-47. doi:10.1007/s11295-007-0086-0


Author Jones, Megan E.
Shepherd, Mervyn
Henry, Robert
Delves, Angela
Title Pollen flow in Eucalyptus grandis determined by paternity analysis using microsatellite markers
Journal name Tree Genetics & Genomes   Check publisher's open access policy
ISSN 1614-2942
Publication date 2008-01
Sub-type Article (original research)
DOI 10.1007/s11295-007-0086-0
Volume 4
Issue 1
Start page 37
End page 47
Total pages 11
Place of publication Germany
Publisher Springer
Language eng
Abstract Gene flow by pollen dispersal from forestry plantations containing introduced species, provenances or selected elite breeding material may impact on local native forest by changing the genetic diversity, introducing new genes or gene combinations, or causing the extinction of rare genotypes in adjacent native forest areas. Patterns of pollen flow can be used to assess the risk of genetic pollution of native forest areas from nearby plantations. Pollen flow in an artificial population of Eucalyptus grandis was estimated using molecular markers and paternity analysis. Microsatellite genotyping was used to identify pollen parents of progeny arrays from six mother trees. Of 329 progeny analysed, 178 (54%) were assigned to pollen parents within the population. Pollen parents located within the population were between 0-192 m from the respective mother trees, with an average pollination distance of 57.96 m. Pollination of mother trees was outcrossed, not by nearest neighbours, and displayed a preference for inter-provenance matings within the population. Progeny that could not be assigned pollen parents within the population (46%) were assumed to have resulted from pollen immigration from external sources. These pollen flow parameters provide useful information about the dynamics of pollen movement within E. grandis populations and may be used in risk assessment of gene flow from plantations to adjacent areas of native forest.
Keyword Gene flow
Most-likely parent
Paternity assignment
Pollen contamination
Forest tree
Myrtaceae
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collections: Queensland Alliance for Agriculture and Food Innovation
ERA 2012 Admin Only
School of Veterinary Science Publications
 
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Created: Wed, 09 Feb 2011, 12:09:59 EST