The D gene linkage groups were established, two nearest markers AFTA-crc and AFAT-CTA located in two sides of D/d locus respectively.

• 构建D/d基因连锁群，在筛选到的标记中，连锁距离最近的两个标记AF_(TA/CTC)、AF_(AT/CTA)分别位于D/d基因位点的两侧。