秦钢, 黄大辉, 刘驰, 马增风, 张月雄, 阎勇, 卢星高. 2013: 非洲新稻与籼稻杂交后代育性及主要农艺性状的观察鉴定. 南方农业学报, 44(4): 562-565. DOI: 10.3969/j:issn.2095-1191.2013.4.562
引用本文: 秦钢, 黄大辉, 刘驰, 马增风, 张月雄, 阎勇, 卢星高. 2013: 非洲新稻与籼稻杂交后代育性及主要农艺性状的观察鉴定. 南方农业学报, 44(4): 562-565. DOI: 10.3969/j:issn.2095-1191.2013.4.562
QIN Gang, HUANG Da-hui, LIU Chi, MA Zeng-feng, ZHANG Yue-xiong, YAN Yong, LU Xing-gao. 2013: Evaluation of fertility and major agronomic traits in offspring derived from cross between new rice for Africa (NERICA) and Indica rice (Oryza sativa L.). Journal of Southern Agriculture, 44(4): 562-565. DOI: 10.3969/j:issn.2095-1191.2013.4.562
Citation: QIN Gang, HUANG Da-hui, LIU Chi, MA Zeng-feng, ZHANG Yue-xiong, YAN Yong, LU Xing-gao. 2013: Evaluation of fertility and major agronomic traits in offspring derived from cross between new rice for Africa (NERICA) and Indica rice (Oryza sativa L.). Journal of Southern Agriculture, 44(4): 562-565. DOI: 10.3969/j:issn.2095-1191.2013.4.562

非洲新稻与籼稻杂交后代育性及主要农艺性状的观察鉴定

Evaluation of fertility and major agronomic traits in offspring derived from cross between new rice for Africa (NERICA) and Indica rice (Oryza sativa L.)

  • 摘要: 目的探明非洲新稻与籼稻育性及主要农艺性状表现,为在水稻育种中利用非洲新稻资源提供理论依据和材料基础.方法利用非洲新稻Z3与籼稻龙特浦B杂交获得F1群体,再自交获得F2群体,在水稻成熟期调查亲本和各群体的结实率及主要农艺性状.结果Z3与龙特浦B杂交F1的自交结实率为70%,F2群体的自交结实率为24%~80%;F2群体中各性状都存在变异,可从中筛选到综合农艺性状优良的单株.相关分析结果表明,杂交F2群体单株产量与株实粒数、株穗数、结实率和穗长之间存在极显著正相关,与株高之间存在显著正相关.结论非洲新稻Z3与籼稻龙特浦B杂交后代之间不存在自交不育问题,可在水稻育种中直接利用.

     

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