四川及其周边地区野生草莓资源调查、收集与评价
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四川省财政基因工程专项(2011JYGC05-018);四川省果树育种攻关项目(2011YZGG-7);公益性行业(农业)科研专项(草莓)(201003064


Investigation and collection and evaluation on wild strawberry resources in Sichuan and neighboring regions
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    摘要:

    本文调查了四川及其周边地区(未包括青海)野生草莓资源种类和地理分布,将收集的野生草莓资源进行迁地保存,并对这些野生草莓资源的植物学性状、开花结果习性、抗非生物和生物胁迫能力等农艺性状的变异主成分分析进行了评价。结果表明,四川及其邻近周边高海拔地区野生草莓主要分布在北纬度度26014′~33022′N、东经度96057´~108013´E、海拔823-4531 m的垂直空间范围里内。黄毛草莓(Fragaria nilgerrensis Schlecht.)、五叶草莓(F. pentaphylla Lozinsk.)、西南草莓(F. moupinensis (Franch.) Card.)和纤细草莓(F. gracilis Lozinsk.)是该区域分布的等四个野生草莓种类,其中五叶草莓有红果和白果两个类型。黄毛草莓浆果具有特殊的蜜桃香气。野生草莓株高、叶柄长度、叶片长度、叶片宽度、绒毛数量、耐旱性和耐高温是野生草莓遗传性状的主要指标,绒毛数量与抗逆性较密切相关。

    Abstract:

    The wild Fragaria species and their geographic distribution were investigated in Sichuan province and neighboring regions (excluding Qinghai province). The wild strawberry resources were collected and moved into the conservations. The variance and principal component analysis of the botanic characters, flowering and fruiting habits, resistant capability under abiological and biological stress were evaluated respectively. The results indicated that the wild strawberry resources in Sichuan and neighbouring areas distributed mainly from 26014′~33022′N to 96057´~108013´E at the altitudes of 823~4531m. Four wild strawberry species including Fragaria. nilgerrensis Schlecht., F. pentaphylla Lozinsk. (red fruit type and white fruit type), F. moupinensis (Franch.) Card. and F. gracilis Lozinsk. hadve been identified in the investigatedion regions. The fruit of F. nilgerrensis Schlecht. has special peach aroma. The plant height, petiole length, leaf length and width, hairs density, drought resistance and high temperature resistance wrer the key indicator of the hereditary character. And hairs density was closely related to the stress resistance.

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李洪雯,刘建军,陈克玲,等.四川及其周边地区野生草莓资源调查、收集与评价[J].植物遗传资源学报,2012,13(6):946-951.

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  • 收稿日期:2012-04-12
  • 最后修改日期:2012-09-06
  • 录用日期:2012-09-26
  • 在线发布日期: 2012-11-15
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