青藏高原青稞育成品种的亲缘系数分析
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Coefficient of Parentage Analysis Among Naked Barley Varieties in Qinghai-Tibet Plateau
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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 |
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