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Issue:
The Cluster Analysis on Tomato Germplasms
Author(s):
JIN Feng-mei
,
XUE Jun
,
JIA Yan-hong
,
LIU Zhong-qi
Pages:
49
-
54
Year:
2006
Issue:
6
Journal:
ACTA AGRICULTURAE BOREALI-SINICA
Keyword:
番茄
;
品质特性
;
分子标记
;
聚类分析
;
Abstract:
通过测定番茄品质特性的遗传多样性和分子标记的多态性,对番茄品种资源进行了聚类分析.结果表明,品质特性聚类分析和分子标记聚类分析最后都形成了四大类群,而且都把果实硬度大、软化速度慢、果型长圆、含水量低、可溶性固形物含量高的加工番茄聚合在了一起,说明一些分子标记可能和控制番茄加工品质特性的基因有比较紧密的连锁关系.分子标记更能灵敏地区分不同品种间的遗传差异.不同类群间品质性状的差异明显大于群内不同品种间的差异,说明聚类分析是鉴别品种资源遗传差异程度、筛选核心资源的有效手段.
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