應用分子輔助回交選育稻多粒數品系之探討
Other Title
Study on Development of Japonica Breeding Lines Introgressed High Grain Number Gene through Marker-Assisted Backcross Approach
Resource
台灣農業研究: 65(1): 31-44
Journal of Taiwan Agricultural Research: 65(1): 31-44
Journal
台灣農業研究
Journal Volume
65
Journal Issue
1
Pages
31-44
Date Issued
2016-03-04
Date
2016-03-04
Author(s)
胡凱康
吳東鴻
Ming-Hsing Lai
Kae-Kang Hwu
Dong-Hong Wu
Abstract
水稻粒數屬於數量性狀且無法於生育早期進行選拔,並需透過重複性田間試驗才能估計選拔效應;對此,為了加強秈、稉稻間的產量基因聚合效率並驗證目標基因座的效益,本試驗利用分子輔助回交法,將多粒數對偶基因(Ha-Gn1)由秈稻‘Habataki’導入國內具有良好食味的稉型稻「台農71號」(‘Tainung 71’ or ‘TNG71’)中,藉以評估該基因在台灣品種背景下之產能效益。
Rice grain number, a quantitative trait, is difficult to be selected in early generations and needs to be evaluated its genetic gain number based on replicate filed trials during breeding procedure. In order to improve the introgressed efficiency of grain yield related genes and validate QTL effect between japonica-indica cross, this study introduced the high grain number gene, Gn1, from ‘Habataki’ (indica type) into ‘Tainung71’ (‘TNG71’), a japonica cultivar with high eating quality, to assess the yield potential of the near-isogenic lines through marker-assisted backcross approach.
Subjects
水稻
粒數
分子輔助回交
產量
Oryza sativa L.
Grain number
Marker assisted backcross
Grain yield
Publisher
農業試驗所
Type
journal article
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