Quantitative trait loci for rice phyllochron in lemont x IR36 cross

Makoto Morita, Ding Qin Tang, Naoko Miyamoto, Yusuke Goto, Yasuo Ukai, Keisuke Nemoto

研究成果: Article査読

8 被引用数 (Scopus)

抄録

In rice, genetic variation in "phyllochron" (the time interval between the appearance of successive leaves) affects many aspects of shoot system development. The objective of our study was to identify quantitative trait loci (QTLs) that control phyllochron in a Lemont (japonica) x IR36 (indica) F2 population. Composite interval mapping detected four phyllochron QTLs located on chromosomes 1, 2, 9 and 11. Individually, these QTLs accounted for 8-14% of the phenotypic variation, indicating that phyllochron is controlled by multiple QTLs rather than by a major gene system. At these QTLs, the presence of a Lemont allele increased phyllochron. The only exception was for the QTL on chromosome 9, where the Lemont allele decreased phyllochron. Based on the synteny between rice and maize genomes, the ortholog of the maize terminal ear 1 gene was considered a candidate gene for the QTL on chromosome 1.

本文言語English
ページ(範囲)199-202
ページ数4
ジャーナルPlant Production Science
8
2
DOI
出版ステータスPublished - 2005 6月
外部発表はい

ASJC Scopus subject areas

  • 農業および作物学

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