| 番茄种质资源的遗传多样性和聚类分析 |
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| 引用本文： | 孙亚东,梁燕,吴江敏,张飞,闫见敏.番茄种质资源的遗传多样性和聚类分析[J].西北农业学报,2009,18(5):297-301. |
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| 作者姓名： | 孙亚东 梁燕 吴江敏 张飞 闫见敏 |
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| 作者单位： | 西北农林科技大学,园艺学院,农业部西北园艺植物种质资源与遗传改良重点开放实验室,陕西杨凌,712100 |
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| 基金项目： | 陕西省"13115"科技创新工程重大科技专项，西北农林科技大学育种专项 |
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| 摘 要： | 为了解番茄种质资源的遗传多样性,对50份来自不同国家和地区番茄育种材料的22个性状进行了鉴定分析.结果表明,22个性状的变异系数在12.06%～62.26%之间,最大的是成熟果实番茄红素含量,为62.26%,其次是单果质量,为42.13%,最小的是第二花序节位,为12.06%.50份材料通过聚类分析划分为4大类群,第Ⅰ类群的商品果纵径、商品果横径、首花节位、果梗洼大小、可溶性固形物含量最高;第Ⅱ类群的首花节位最低,果形指数、果实硬度、番茄红素含量最小;单果质量最大;第Ⅲ类群的叶片长、叶片宽、第二花序节位、果肉厚、单花序花数、单花序果数等性状表现最高;第Ⅳ类群的叶片长、叶片宽、果柄长度、果肉厚、果梗洼大小、心室数、单果质量最小,果形指数和番茄红素含量最高.聚类分析发现,29号、30号、22号、7号4个材料性状表现突出,具有一定的利用价值,可用于番茄品种的遗传改良.
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| 关 键 词： | 番茄 种质资源 遗传多样性 聚类分析 |
| 收稿时间： | 2009/3/12 0:00:00 |
| 修稿时间： | 2009/5/20 0:00:00 |
Genetic Diversity and Cluster Analysis of Tomato Germplasm Resources |
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| SUN Yadong,LIANG Yan,WU Jiangmin,ZHANG Fei and YAN Jianmin.Genetic Diversity and Cluster Analysis of Tomato Germplasm Resources[J].Acta Agriculturae Boreali-occidentalis Sinica,2009,18(5):297-301. |
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| Authors: | SUN Yadong LIANG Yan WU Jiangmin ZHANG Fei and YAN Jianmin |
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| Institution: | Key Laboratory of Horticulture Plant Germplasm and Genetic Improvement, Minister of Agriculture, College of Horticulture, Northwest A&F University, Yangling Shaanxi 712100, China;Key Laboratory of Horticulture Plant Germplasm and Genetic Improvement, Minister of Agriculture, College of Horticulture, Northwest A&F University, Yangling Shaanxi 712100, China;Key Laboratory of Horticulture Plant Germplasm and Genetic Improvement, Minister of Agriculture, College of Horticulture, Northwest A&F University, Yangling Shaanxi 712100, China;Key Laboratory of Horticulture Plant Germplasm and Genetic Improvement, Minister of Agriculture, College of Horticulture, Northwest A&F University, Yangling Shaanxi 712100, China;Key Laboratory of Horticulture Plant Germplasm and Genetic Improvement, Minister of Agriculture, College of Horticulture, Northwest A&F University, Yangling Shaanxi 712100, China |
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| Abstract: | |
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| Keywords: | Tomato Germplasm resources Genetic diversity Cluster analysis |
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