水稻特异株型材料7N5改良系R456配组的3个新组合在不同生态地区的表现

Analysis of Combining and Restoring Ability of R456, A Derived Material from Special Type 7N5 in Rice

应用水稻特异株型材料 7N5改良系 R4 5 6与不同质源的两系不育系和三系不育系进行配组 ,调查杂交组合的结实率及产量。结果表明 :7N5改良系 R4 5 6分别与两系不育系和三系不育系配组都具有较高的恢复力和配合力。其配组的

Crossing two line GMS, and three line GMS with the R456, an improved material from 7N5, the result shows that R456 has stronger restoring and combining ability. Of which the three new combinations presented different yield in different area.