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为推动京津唐稻区水稻育种进步,分析了2005-2014年通过国家审定的适宜京津唐稻区种植粳稻品种的产量、品质、抗性情况及其品种系谱。结果表明,审定的26个品种包括19个常规粳稻、7个杂交粳稻,涉及45个亲本。杂交育种和杂种优势利用是京津唐稻区的主要育种方法。以喜峰衍生常规粳稻品种10个,以农林8号衍生常规粳稻品种5个。审定的杂交粳稻品种全部为BT细胞质三系杂交粳稻,所用6个不育系均直接或间接来自于屉锦A;7个恢复系中,以湘晴为骨干亲本衍生3个,以C57为骨干亲本衍生4个。
In order to promote the progress of rice breeding in Beijing, Tianjin and Tang Dynasty, the yield, quality, resistance and pedigree of cultivars cultivated in Beijing, Tianjin and Tang Dynasty, which have been approved by the government in 2005-2014, were analyzed. The results showed that the validation of 26 varieties, including 19 conventional japonica rice, 7 hybrid japonica rice, involving 45 parents. Hybrid breeding and utilization of heterosis is the main breeding method in Beijing, Tianjin and Tang rice areas. 10 conventional japonica rice varieties were derived from Xifeng, and 5 conventional japonica rice cultivars were derived from Nonglin8. All the tested hybrid japonica rice varieties were BT cytoplasmic three-line japonica hybrid rice. All the six male sterile lines were directly or indirectly derived from Panjin A; among the seven restorer lines, three were derived from Xiangqing as the backbone and C57 as the backbone Derived four parents.