Genetic relationship in ecotypes of Leymus chinensis revealed by polymorphism of amplified DNA fragment lengths

Genetic relationship in ecotypes of Leymus chinensis revealed by polymorphism of amplified DNA... Leymus chinensis (Trin.) Tzvel is a perennial grass in the tribe Gramineae and important forage in Northern China. Knowledge of its genetic diversity is a prerequisite for using modern breeding techniques. Amplified fragment length polymorphism (AFLP) was first used to evaluate the genetic relationship among and within three ecotypes. Distinct clusters were produced based on AFLP markers. All accessions from the same ecotype were grouped in a cluster except accessions 6. According to AFLP profile ecotype-specific bands differ from each other. The genetic differentiation within the ecotype of the species was much smaller than that among ecotypes. Self-incompatibility in this species contributes to evident genetic differentiation together with environment. These results indicate that ecotypes were distinguished visually similarly to genetic variation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

Genetic relationship in ecotypes of Leymus chinensis revealed by polymorphism of amplified DNA fragment lengths

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Publisher
Nauka/Interperiodica
Copyright
Copyright © 2006 by MAIK “Nauka/Interperiodica”
Subject
Life Sciences; Plant Sciences; Plant Physiology
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1134/S1021443706050128
Publisher site
See Article on Publisher Site

Abstract

Leymus chinensis (Trin.) Tzvel is a perennial grass in the tribe Gramineae and important forage in Northern China. Knowledge of its genetic diversity is a prerequisite for using modern breeding techniques. Amplified fragment length polymorphism (AFLP) was first used to evaluate the genetic relationship among and within three ecotypes. Distinct clusters were produced based on AFLP markers. All accessions from the same ecotype were grouped in a cluster except accessions 6. According to AFLP profile ecotype-specific bands differ from each other. The genetic differentiation within the ecotype of the species was much smaller than that among ecotypes. Self-incompatibility in this species contributes to evident genetic differentiation together with environment. These results indicate that ecotypes were distinguished visually similarly to genetic variation.

Journal

Russian Journal of Plant PhysiologySpringer Journals

Published: Aug 29, 2006

References

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