刺葡萄叶与花和果实及种子的表型性状研究
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国家农业产业技术体系专项资金项目(CARS–30);湖南省葡萄工程技术研究中心项目(2012TP4012);湖南省科学技术厅农业重点项目(2009CK–2010);湖南省高校科技成果产业化培育项目(09CY008);湖南省教育厅科学研究项目(15C0669)


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    摘要:

    以25个不同类型的刺葡萄(21个引自湖南,1个引自福建,3个引自江西)为试材,以叶形结构特征、花器官性状、果实外观性状和种子表型性状为指标,采用分类学性状变异分析和主成分分析方法对16个分类性状进行综合分析。结果表明:不同类型的刺葡萄其叶形结构值有所不同,其中有3组的叶形编码值相同,即澧县–4刺葡萄与吉首–1刺葡萄、澧县–5刺葡萄与吉首–3刺葡萄、芷江60Co刺葡萄与望城刺葡萄,叶片形态主要表现为三裂浅缘或全缘;根据极轴与赤道轴比和刺葡萄子房形态特征可得知刺葡萄雄能花,子房退化,形状不规则;两性花与雌能花子房形态分为4类,即窄圆锥形、较窄圆锥形、广圆锥形和较广圆锥形,大多数为较广圆锥形;刺葡萄果穗重与果粒重的变化幅度较大,果粒主要为圆形,果皮颜色表现为绿粉色、紫红色和紫黑色;刺葡萄种子为长椭圆形,无种表横沟;在分类学性状变异分析中,16个分类性状的变异范围为5.03%~28.52%,平均变异系数为12.46%,其中果实粒重的变异最大,变异系数为28.57%,种子长度的变异最小,变异系数为5.03%;在主成分分析中,第1主成分是果粒的形态性状,第2和第3主成分是叶片的形态特征值,第4主成分是种子的形态性状,4个主成分累计贡献率达83.168%。

    Abstract:

    25 samples of Vitis (21 from Hunan province, 1 from Fujian province, 3 from Jiangxi province) were used as materal, the characteristics of leaf, flower, fruit, and seed as index, to analyze the 16 classification traits by the variation and principal components analysis of taxonomic traits. The results showed that three groups of the Vitis, Lixian–4 and Jishou–1, Lixian–5 and Jishou–3, Zhijiang 60Co and Wangcheng, had the same foliar morphological codes of three lobed margin or entire, while the other Vitis had different foliar morphological codes. According to the ratio of polar and equatorial axis and ovary morphology, the ovary of male flower had a shape of degraded and irregularly, while the ovaries of bisexual and female flowers had four categories in morphology, namely narrow conical, narrower conical, wide conical and wider conical, which the wide conical was the majority. The Vitis had big difference in cluster weight and berry weight, the berries were round, the pericarp colors were green and pink, purple and dark purple. The seed of the Vitis was long oval with no horizontal furrow. Acorrding to the variation analysis of taxonomic traits, the variation range of 16 classification traits was 5.03% to 28.52%, the average variation coefficient was 12.46%, which berry weight was the greatest (28.57%), while the seed length was the smallest (5.03%). According to principal components analysis, the morphological characters of fruit grain was the first, the second and third was the shape of the leaf and the fourth was the morphological characters of seed. The total contribution of the four ingredients was 83.168%.

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王美军,黄乐,刘昆玉,杨国顺,钟晓红,徐丰,白描,金燕,石雪晖.刺葡萄叶与花和果实及种子的表型性状研究[J].湖南农业大学学报:自然科学版,2016,42(5):.

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  • 在线发布日期: 2016-09-30
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