Detection and analysis of QTL for seed dormancy in rice (Oryza sativa L.) using RIL and CSSL population

Ling Jiang, Ya Jun Cao, Chun Ming Wang, Hu Qu Zhai, Jian Min Wan, Yoshimura Atsushi

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

A recombinant inbred line (RIL) population and two chromosome segment substitution line (CSSL) population derived from the cross of Asominori (japonica) and IR24 (indica) were used to detect QTL controlling seed dormancy. CSSL1 were a series of IR24 chromosome segment substitution lines in Asominori background, and CSSL2 were a series of introgression lines of Asominori in the background of IR24. Three QTL were detected on chromosome 3,6 and 9 in RIL population, and individual QTL accounted for between 12.3% and 13%. Three QTL were detected on chromosome 1,3 and 7 in CSSL1, and individual QTL accounted for between 11.5% and 18.9%. Three QTL were detected on chromosome 1,2 and 7 in CSSL2, and individual QTL accounted for between 11% and 16%. The QTLs on chromosome 1 and 7 were detected in CSSL1 and CSSL2 populations simultaneously, QTL came from Asomonori, the moderate dormant cultivar, increased seed dormancy, and QTL from IR24, the weakly dormant cultivar, decreased seed dormancy. It can be deduced that there exist genes controlling seed dormancy at this region.

Original languageEnglish
Pages (from-to)453-458
Number of pages6
JournalActa Genetica Sinica
Volume30
Issue number5
Publication statusPublished - May 1 2003

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Plant Dormancy
Chromosomes, Human, Pair 7
Chromosomes, Human, Pair 1
Chromosomes
Chromosomes, Human, Pair 3
Population
Chromosomes, Human, Pair 9
Chromosomes, Human, Pair 6
Chromosomes, Human, Pair 2
Oryza
Genes

All Science Journal Classification (ASJC) codes

  • Genetics

Cite this

Jiang, L., Cao, Y. J., Wang, C. M., Zhai, H. Q., Wan, J. M., & Atsushi, Y. (2003). Detection and analysis of QTL for seed dormancy in rice (Oryza sativa L.) using RIL and CSSL population. Acta Genetica Sinica, 30(5), 453-458.

Detection and analysis of QTL for seed dormancy in rice (Oryza sativa L.) using RIL and CSSL population. / Jiang, Ling; Cao, Ya Jun; Wang, Chun Ming; Zhai, Hu Qu; Wan, Jian Min; Atsushi, Yoshimura.

In: Acta Genetica Sinica, Vol. 30, No. 5, 01.05.2003, p. 453-458.

Research output: Contribution to journalArticle

Jiang, L, Cao, YJ, Wang, CM, Zhai, HQ, Wan, JM & Atsushi, Y 2003, 'Detection and analysis of QTL for seed dormancy in rice (Oryza sativa L.) using RIL and CSSL population', Acta Genetica Sinica, vol. 30, no. 5, pp. 453-458.
Jiang L, Cao YJ, Wang CM, Zhai HQ, Wan JM, Atsushi Y. Detection and analysis of QTL for seed dormancy in rice (Oryza sativa L.) using RIL and CSSL population. Acta Genetica Sinica. 2003 May 1;30(5):453-458.
Jiang, Ling ; Cao, Ya Jun ; Wang, Chun Ming ; Zhai, Hu Qu ; Wan, Jian Min ; Atsushi, Yoshimura. / Detection and analysis of QTL for seed dormancy in rice (Oryza sativa L.) using RIL and CSSL population. In: Acta Genetica Sinica. 2003 ; Vol. 30, No. 5. pp. 453-458.
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