This work was supported bythe National Key Biotechnology Laboratory for Tropical Crops of China (NKBLTC199802).
orf224 is a CMS-related mitochondrial gene discovered in Polima cytoplasm. Shaan 2A CMS line is the parent of the first rapeseed hybrid cultivar Qinyou No. 2 that has been grown in many regions of China. In this work,...
1 Discovery In the spring of 1972, the present authors found 19 typical male sterile plants of the variety Polima planted in the rapeseed germplasm material plot in the experi-mental farm of Huazhong Agricultural Univ...