广西金线莲形态多样性及优良类型选择

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英文篇名：The Morphological Diversity and Superior Type Selection of Guangxi Anoectochilus roxburghii 作者：付传明 ; 冼康华 ; 苏江 ; 何金祥 ; 黄宁珍 英文作者：FU Chuanming;XIAN Kanghua;SU Jiang;HE Jinxiang;HUANG Ningzhen;Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain,Guangxi Institute of Botany,Chinese Academy of Sciences; 关键词：广西金线莲 ; 形态多样性 ; 优良类型选择 英文关键词：Guangxi Anoectochilus roxburghii;;morphological diversity;;superior type selection 中文刊名：GXKX 英文刊名：Journal of Guangxi Academy of Sciences 机构：广西壮族自治区中国科学院广西植物研究所广西喀斯特植物保育与恢复生态学重点实验室; 出版日期：2019-01-31 11:32 出版单位：广西科学院学报 年：2019 期：v.35 基金：广西科技攻关计划(桂科攻1598006-3-10);; 广西自然科学基金项目(2014GXNSFBA118089);; 桂林市科学研究与技术开发项目(201810107-6);; 广西植物研究所基本业务费项目(桂植业13008);; 广西科技基地和人才专项(桂科AD17129022)资助 语种：中文; 页：GXKX201901008 页数：5 CN：01 ISSN：45-1075/N 分类号：35-39

摘要

为筛选出广西金线莲Anoectochilus roxburghii(Wall.)Lindl.优良品种资源,对广西金线莲植株性状特征及无性繁殖后代的遗传稳定性进行观测,并测定有效活性成分(多糖和总黄酮)含量。结果表明,广西金线莲植株形态存在明显差异,主要表现在株型大小、叶形、叶上网脉特征、抗病性、授粉结实等方面。株型大小可分为2个株系;叶片形状可分为2种类型;叶上网脉特征可分为3种类型。根据株型和叶片特征可将广西金线莲划分为10个园艺类型,其中类型GXAR 01具有植株高大,叶形优美,适应性强,多糖、总黄酮含量高等特点,同时具有多代的遗传稳定性,被选为优良类型。广西金线莲优良类型GXAR 01可作为金线莲新品种培育的优质育种材料,也可在产业化生产中直接推广应用。
        In order to screen out the superior type of Guangxi Anoectochilus roxburghii,the traits of the plant species and the genetic stability of the asexual reproduction progeny were observed,and the content of effective active ingredients(polysaccharides and total flavonoids) was determined. The results showed that there were significant differences in the morphology of Guangxi Anoectochilus roxburghii,including plant size,leaf shape,leaf vein feature,disease resistance and pollinating fertility and so on. The plant type could be divided into two strains,the leaf shape could be divided into two types,and the leaf vein feature could be divided into three types.According to plant type and leaf features,Guangxi Anoectochilus roxburghii could be classified into 10 horticultural types. Among them,type GXAR 01 should be selected as superior types for it had the characteristics of tall plant,beautiful leaf shape,and strong adaptability,high content of polysaccharide and total flavonoids. At the same time,it had multigenerational genetic stability. The superior type GXAR 01 can be used as a high-quality breeding material for the cultivation of new varieties of Anoectochilus roxburghii,and can also be directly applied in industrial production.

引文

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