甘蔗属割手密种(Saccharum spontaneum)‘云南82-114’的F2 (BC1)代同异法综合评价及同一度分类

Integrated Evaluating and Classifying of the Similarity-difference Analysis for the Generation F2 (BC1) from Saccharum spontaneum ‘Yunnan 82-114’

摘要:

为综合评价甘蔗属割手密种(Saccharum spontaneum)‘云南82-114’的F₂ (BC₁)代亲本材料,采用基于集对论的同异分析法,对65 份亲本材料进行了分析。结果表明,同异联系度排名前10 位的材料是:云瑞09-23、云瑞09-44、云瑞09-36、云瑞09-74、云瑞09-65、云瑞09-35、云瑞09-14、云瑞09-58、云瑞09-51、云瑞09-67。超过对照新台糖22 号(ROC22)的材料有33 份,超过对照粤糖93-159 (YT93-159)的材料有36 份。在等价矩阵中取截距λ=0.910,65 份‘云南82-114’的F₂ (BC₁)代亲本材料可分为26 个类型。同异联系度排名靠前、又聚为不同类型的亲本材料,通常是某些优良性状表现突出的亲本材料,这为亲本材料的进一步筛选和利用提供了依据。

Abstract:

The aim was to comprehensive evaluate the parents of F₂ (BC₁) generation from Saccharum spontaneum ‘Yunnan 82-114’, sixty-five parent materials were screened by similarity-difference analysis based on conjugated aggregation theory. The results showed that the materials occupied top 10 similarity-difference correlation degree were Yunrui09-23 (YR09-23), Yunrui09-44, Yunrui09-36, Yunrui09-74, Yunrui09-65, Yunrui09-35, Yunrui09-14, Yunrui09-58, Yunrui09-51 and Yunrui09-67. There were thirty-three and thirty-six materials exceeding control variety Xintaitang22 (ROC22) and Yuetang93-159 (YT93-159), respectively. The 65 parent materials could be classified twenty-six clusters in equivalence matrix (λ=0.910). The parents with front rank of similarity-difference correlation degree and different clusters usually have some outstanding characters. These would provide the basis for selecting and utilizing parent materials.