Genetic diversity in Vietnamese upland rice germplasm revealed by SSR markers

Thuy T.T. Nguyen, Nguyet M.T. Nguyen, Long H. Hoang, Naruto Furuya, Kenichi Tsuchiya

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Tolerance to water deficit condition is an important prerequisite for optimal performance of rice in drought prone environments. The purpose of this study was to evaluate the genetic diversity within upland rice accessions, collected from Northern part of 'Vietnam. Genetic diversity of the rice varieties was evaluated at the DNA level. Forty-one accessions were surveyed with 30 simple sequence repeat (SSR) markers revealing the genetic relationship among the varieties. A total of 192 polymorphic bands were detected. The number of alleles per locus ranged from 3 to 12, with an average of 6.4. Cluster analysis based on genetic similarities grouped the rice accessions into two major groups. These groups were divided into five subgroups. These clusters agree with origin information available on the accessions. The results suggested that a relatively small number of SSR markers could be used for analysis of genetic diversity in rice germplasm. The upland rice germplasm presents a valuable gene source and sufficient genetic background for future breeding and mapping works on drought tolerance rice in Vietnam.

Original languageEnglish
Pages (from-to)383-391
Number of pages9
JournalJournal of the Faculty of Agriculture, Kyushu University
Volume57
Issue number2
Publication statusPublished - Sep 1 2012

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Microsatellite Repeats
germplasm
highlands
microsatellite repeats
rice
genetic variation
Vietnam
Droughts
Oryza
Genetic Markers
drought tolerance
genetic background
genetic relationships
Breeding
Cluster Analysis
cluster analysis
Alleles
drought
alleles
loci

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Agronomy and Crop Science

Cite this

Genetic diversity in Vietnamese upland rice germplasm revealed by SSR markers. / Nguyen, Thuy T.T.; Nguyen, Nguyet M.T.; Hoang, Long H.; Furuya, Naruto; Tsuchiya, Kenichi.

In: Journal of the Faculty of Agriculture, Kyushu University, Vol. 57, No. 2, 01.09.2012, p. 383-391.

Research output: Contribution to journalArticle

Nguyen, Thuy T.T. ; Nguyen, Nguyet M.T. ; Hoang, Long H. ; Furuya, Naruto ; Tsuchiya, Kenichi. / Genetic diversity in Vietnamese upland rice germplasm revealed by SSR markers. In: Journal of the Faculty of Agriculture, Kyushu University. 2012 ; Vol. 57, No. 2. pp. 383-391.
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