論文

2009年10月

Mapping of Quantitative Trait Loci Controlling Seedling Growth in Bunching Onion (Allium fistulosum.L.)

JOURNAL OF THE JAPANESE SOCIETY FOR HORTICULTURAL SCIENCE
  • Takayoshi Ohara
  • ,
  • Hikaru Tsukazaki
  • ,
  • Yeon-Sang Song
  • ,
  • Tadayuki Wako
  • ,
  • Ken-ichiro Yamashita
  • ,
  • Akio Kojima

78
4
開始ページ
436
終了ページ
442
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.2503/jjshs1.78.436
出版者・発行元
JAPAN SOC HORTICULTURAL SCI

Vigorous seedling growth is a desirable trait for machine-assisted transplanting using a plug nursery system in bunching onion. This study was undertaken to identify the quantitative trait loci (QTLs) controlling seedling growth and to elucidate the modes of gene action of the QTLs. Plant material was a set of reciprocally backcrossed populations (BC1). These were produced from 2 inbred lines derived from the Senju group and Kujo group. Two corresponding. BC1 maps were constructed by adding co-dominant simple sequence repeat (SSR) markers to the previously reported amplified fragment length polymorphism (AFLP) based maps. Fresh weights of seedling's were measured in 3 seasons using BC1S1 families. Remarkable heterosis was observed in F, and many BC1S1 families. Many QTLs for seedling weight were detected on the 2 maps by composite interval mapping. The phenotypic variation explained by a single QTL was less than 25%. Of these, 3 QTLs on 3 linkage groups are considered to be consistently effective across different environmental conditions because they were detected in years and seasons. Most QTLs were detected on one map, but were not detected in a corresponding different region on the other map; however, the degree of dominance at each locus was calculated to determine whether the locus shows overdominance. Overdominance was observed at some loci, and the other loci showed an additive and dominant effect. It is suggested that remarkable heterosis for seedling weight in the present population is based on the accumulation of dominant and overdominant gene actions.

Web of Science ® 被引用回数 : 4

リンク情報
DOI
https://doi.org/10.2503/jjshs1.78.436
CiNii Articles
http://ci.nii.ac.jp/naid/40016784751
Web of Science
https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=JSTA_CEL&SrcApp=J_Gate_JST&DestLinkType=FullRecord&KeyUT=WOS:000271093300008&DestApp=WOS_CPL
ID情報
  • DOI : 10.2503/jjshs1.78.436
  • ISSN : 1882-3351
  • eISSN : 1880-358X
  • CiNii Articles ID : 40016784751
  • identifiers.cinii_nr_id : 9000015262256
  • Web of Science ID : WOS:000271093300008

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