水稻广谱恢复系蓉恢906的选育及利用

Breeding and Utilization of “Rong Hui 906”,A Broad Restorer of Rice

蓉恢 90 6是成都市第二农科所用明恢 6 3作母本、特青早作父本杂交选育而成的籼型优质恢复系。该恢复系株型好、穗大、配合力强、米质优 ,与不育系地谷A配组育成的地谷A×蓉恢 90 6于1995年通过四川省区试 ,与冈 4 6A、Ⅱ - 32A配组育成的冈优 90 6、Ⅱ优 90 6于 1997年。

Ronghui 906” is a hsien rice restorer with high quality,which was bred by the Second Institude of Agricultural Sciences of Chendu using “Minghui 63”as female parent,and “Te Qing Zhao” as male parent.It characterizes good plant type,big ear and high combining ability.It combined with “Digu A”,a sterile line, into “Digu A×Ronghui 906”,which passed regional trial of Sichuan 1995,with “Gang 46A”and “Ⅱ-32A ” into “Gangyou 906” and “Ⅱyou 906”,which were examined and approved by the Examining and Approving Committee for Crop Varieties in Sichuan 1997 and 1999 respectively.