青藏高原青稞育成品种的亲缘系数分析
李健1,2,丰先红2,蔡一林1()
Coefficient of Parentage Analysis Among Naked Barley Varieties in Qinghai-Tibet Plateau
LI Jian1,2,FENG XianHong2,CAI YiLin1()

图6. 骨干亲本及其衍生品种数占各时期参试品种总量的比例

Fig. 6. The proportion occupied by the core parents and their derivatives at each era