优质恢复系成恢047的选育及利用

成恢047是四川省农科院作物所用IR2588-5-1-2作母本，明恢63作父本杂交选育而成的籼型优质恢复系。该恢复系株型好，抗瘟性强，配合力好，米质优，已配制出一批优质、高产和抗稻瘟性好的组合，与不育系K17A配组育成的K优047于2000年通过四川省品种审定委员会审定。

BREEDING AND UTILIZATION OF CHENGHUI 047 - A GOOD FERTILITY RESTORING LINE OF RICE

Chenghui 047,originating from the cross between IR 2588-5-1-2 and Minghui 63,is a newly-developed fertility-restoring line of indica rice. It is characterized by a good plant type,large panicle,good combining ability and good grain quality.A few promising combinations with good grain quality,high yield potential and blast resistance have been selected.A new hybrid,K You 047,resulting from the cross between Chenghui 047 and the male sterile line K 17 A, was examined and approved by the Sichuan Crop Cultivar Examination Committee in 2000.