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Compatibility test and molecular marker analysis of rice lines


, : Compatibility test and molecular marker analysis of rice lines. Xibei Zhiwu Xuebao 23(11): 1916-1921, Nov

To test the hybrid compatibility of some rice lines, two typical indica and japonica varieties, Nanjing 11 (indica) and Akihikari (japonica), were used as testers to cross with 16 rice lines. Based on the spikelet fertility of F1 hybrids, the 16 lines were classified into three different groups. NL15, NL61, NL67, NL82 and NL279 are indica-compatible, NL208 is japonica-compatible, and NL78 is wide-compatible. Two testers and 5 lines were investigated using the indica-japonica polymorphic microsatellite markers distributing over the 12 chromosomes. Obvious difference in the degree of indica-japonica differentiation among testers and lines were observed. Based on Dj values (japonica discrimination value), NL78, NL58, NL15, and NL173 were classified to indicaclinous group, and NL208 to japonicaclinous group.

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