Hybrid Sterility among Near-Isogenic Lines Derived from Interspecific Hybrid Between Cultivated Rice Species Oryza sativa and O. glaberrima

Chinese Journal of Rice Science

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Hybrid Sterility among Near-Isogenic Lines Derived from Interspecific Hybrid Between Cultivated Rice Species Oryza sativa and O. glaberrima

TAO Da-yun ¹; XU Peng ¹; HU Feng-yi ¹; YANG You-qiong¹; LI Jing¹; ZHOU Jia-wu ¹; Monty P. JONES ²

(¹Food Crops Research Institute; Yunnan Academy of Agricultural Sciences; Kunming 650205; ² West Africa Rice Development Association, 01 B. P. 2551 Bouake, Cote D'Ivoire)

Received:1900-01-01 Revised:1900-01-01 Online:2002-04-10 Published:2002-04-10

栽培稻种间近等基因系杂种育性研究

陶大云 1; 徐鹏 1; 胡凤益 1; 杨友琼 1; 李静 1; 周家武 1

1云南省农业科学院粮食作物研究所，云南昆明 650205； 2 西非稻作发展协会，科特迪瓦布瓦凯 2551

Abstract

Abstract: In order to study genetic base of hybrid sterility of interspecific hybrid between Oryza sativa and O. glaberrima, test crosses were made among Asian cultivated rice cultivar WAB56-104 and its 14 near isogenic lines derived from interspecific BC₂ cross WAB56-104/CG14//WAB56-104///WAB56-104. Investigation of pollen and spikelet fertility of parents and hybrids indicated that there were three non allelic gamete eliminator loci and two pollen killer loci derived from O. glaberrima parent CG14 among the near isogenic lines, and at least two gamete eliminator loci are not reported before.

Key words: Oryza sativa, O. glaberrima, interspecific hybrid, hybrid sterility, gamete eliminator, pollen killer

摘要： 为了研究亚洲栽培稻与非洲栽培稻种间杂种不育的遗传基础，以亚洲栽培稻品种WAB56-104为测验种与来自种间回交组合WAB56-104/CG14//WAB56-104///WAB56-104的14个种间近等基因系测交，对亲本及杂种的花粉及小穗育性研究表明，这14个近等基因系带有来自非洲栽培稻品种CG14的3个互不等位的配子消除位点和2个互不等位的花粉不育基因位点, 其中至少有2个配子消除位点未曾报道过。

关键词: 亚洲栽培稻, 非洲栽培稻, 种间杂种, 杂种不育性, 配子淘汰子, 花粉灭杀子

TAO Da-yun ,XU Peng ,HU Feng-yi ,YANG You-qiong ,LI Jing ,ZHOU Jia-wu ,Monty P. JONES . Hybrid Sterility among Near-Isogenic Lines Derived from Interspecific Hybrid Between Cultivated Rice Species Oryza sativa and O. glaberrima[J]. Chinese Journal of Rice Science.

陶大云 , 徐鹏 , 胡凤益 , 杨友琼 , 李静 , 周家武 . 栽培稻种间近等基因系杂种育性研究[J]. 中国水稻科学.

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Hybrid Sterility among Near-Isogenic Lines Derived from Interspecific Hybrid Between Cultivated Rice Species Oryza sativa and O. glaberrima

栽培稻种间近等基因系杂种育性研究

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