YTF 90-15 is a radiation mutation variety selected from the donor buds of YT 85-177 by radiation with Y -ray (Co60) at 7000 R.

• 粤糖辐90-15是广州甘蔗糖业研究所以粤糖85-177为供体,用Co60 7000 R辐照供体种芽,从其突变体中选育而成。