ZHOU Yafeng,XU Yanbin,WANG Panqiao,et al.Analysis of Variation of Seedling Traits of the Mainly Cultivated Melon Cultivars in Henan[J].Northern Horticulture,2016,40(05):17-21.[doi:10.11937/bfyy.201605005]
河南省主栽甜瓜品种苗期表型性状变异分析
- Title:
- Analysis of Variation of Seedling Traits of the Mainly Cultivated Melon Cultivars in Henan
- 文献标志码:
- A
- 摘要:
- 以河南省内收集的30份主栽甜瓜品种为试材，分析了其苗期16个表型性状的变异。结果表明：苗期表型性状变异较大，数量性状的变异系数介于1424%～6296%，其中子叶面积的变异系数最大；质量性状的变异系数介于1080%～6049%，真叶形状变异系数最大。主成分分析表明，16个性状指标可转化为5个独立的综合指标，其累计贡献率达8240%。聚类分析表明，30份甜瓜品种可划分为5类，各类之间性状差异较大。上述结果明确了河南省主栽甜瓜品种苗期性状的变异，为基于苗期性状的优异品种筛选及培育提供理论依据。
- Abstract:
- Using 30 mainly cultivated melon cultivars in Henan Province as experimental materials，the variation of 16 phenotypic traits at seedling period was analyzed.The results showed that wide variation existed among the seedling traits.The variation coefficient of the quantitative characters was between 1424% and 6296%，with the maximum value for cotyledon area.The variation coefficient of the quantitative characters varied from 1080% to 6049%，with the maximum value for true leaf shape.Based on the phenotypic data，principal component analysis was performed and showed that the 16 traits were classified into 5 independent comprehensive components with their cumulative contribution of 8240%.From the cluster analysis，the 30 melon cultivars were divided into 5 groups，among which，there was an obvious difference in the traits.These findings above cleared the variation of the seedling traits and offered a theoretical basis for selection of elite cultivars based on seedling traits as well as the breeding of novel melon cultivars.
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备注/Memo
第一作者简介：周亚峰（1990-），男，河南荥阳人，硕士研究生，研究方向为甜瓜遗传育种。E-mail：zhouyafeng4315@163.com.责任作者：胡建斌（1976-），男，博士，副教授，现主要从事西甜瓜遗传育种等研究工作。E-mail：jianbinhu@henau.edu.cn.基金项目：国家自然科学基金资助项目(31101544)；河南省高等学校重点科研资助项目(14B210030，15A210011)。