Characterization of Selected Rice Varieties Adapted in Africa

• Published in: Plant breeding and biotechnology pp. 297 - 305
• Main Authors: Abebe Megersa, 서정환, 진중현, 김백기, 고희종
• Format: Journal Article
• Language: English
• Published: 한국육종학회 31.08.2016
• Subjects: 농학
• ISSN: 2287-9358; 2287-9366
• DOI: 10.9787/PBB.2016.4.3.297

Rice varieties developed through the inter-specific crosses between Asian (Oryza sativa L.) and African cultivated rice(O. glaberrima Steud.) have contributed to yield enhancement of African rice. However, the genetic diversity and genetic structure ofthe African varieties have rarely been reported. In this study, we characterized 40 rice varieties including rice released in Africa basedon eleven yield related agronomic traits and 96 single nucleotide polymorphism (SNP) markers. They were grouped into threecategories based on the cluster analysis using agronomic traits. Meanwhile, they were grouped into two distinct clusters, indica- andjaponica-type, based on the genetic distance using 96 SNP markers. CG14, which belongs to O. glaberrima, was found to be anadmixture type between indica and japonica. The number of secondary branches (SBs) was the only agronomic trait which wassignificantly different between two groups. The results of this study provide basic agronomic and genomic information of cultivatedand tested rice varieties for Africa, that would be helpful for further rice varietal improvement in Africa. KCI Citation Count: 1