Rf5对HL型粳稻不育系具有部分恢复力

来源 :江苏省遗传学会2016年学术研讨会 | 被引量 : 0次 | 上传用户:johnnyxp
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  三系杂交粳稻主要利用包台(BT)型细胞质雄性不育性,但部分BT 型粳稻不育系不育性欠稳定,恢复系遗传来源单一,从而阻碍了三系杂交粳稻的推广利用.已有研究表明,红莲(HL)型粳稻不育系不育性较BT 型粳稻不育系稳定.本文,为了选育HL 型杂交粳稻,对HL 型粳稻不育系及其恢复基因进行鉴定.HL 型粳稻不育系的花粉不同于HL 型籼稻不育系,表现为染败;不同的BT 型粳稻恢复系对HL 型粳稻不育系HL—六千辛A 的育性恢复能力存在差异,因此可以从上述BT 型粳稻恢复系中选育出HL 型粳稻不育系的恢复系.
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