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当前位置: 首页 > 文章 > 西藏桑树资源考察——桑种资源及其分布 蚕业科学 1985 (3) 129-133+3-4
Position: Home > Articles > An investigation of mulberry resources in Tibet——The resources of mulbrerry species and their distribution Science of Sericulture 1985 (3) 129-133+3-4

西藏桑树资源考察——桑种资源及其分布

作  者：
王登成
单  位：
中国农业科学院蚕业研究所
关键词：
西藏;桑种;桑树资源
摘  要：
西藏高原地形复杂,气候多样,桑树种类多.分布区域广.山南、拉萨、日喀则三地区均有桑树,雅鲁藏布江畔及其江心岛上千亩以上大面积的古桑林,其树龄之老、树体之大、数量之多.面积之广.为国内首次发现,也为世界罕见;在墨脱县发现的大叶片的桑树.单叶重达20克左右,也很少见.通过考察,采集标本材料19份,基本摸清了桑树自然分布和人工栽培的可适海拔高度.为研究西藏桑树资源、桑种分布、桑树起源、进化、分类丰富了材料.
译  名：
An investigation of mulberry resources in Tibet——The resources of mulbrerry species and their distribution
作  者：
Wang Dengcheng
关键词：
Tibet Mulberry species Mulberry resources
摘  要：
The Tibetan plateau has a varied topography and climate, the abundant mulberry, species are widely distributed. It is found through this on-the-spot investigation that mulberry trees grow over Shannan, Lhasa and Rikaze regions. Over 1000 mu of ancient mulberry forests along the banks of Yarlung Zanbo River and on the central island of the river are discovered for the first time in our country, the age-old and the thickness of the trees, the hugeness of the mulberry forests, are also rare in the world. The Wonderful aspect of giant leaf mulberry trees in Motuo County, of which a single leaf weighed 20 gram or so, is really another rare sight. Through this investigation, the natural, distribution of mulberry and its adapted height above sea level for the cultivation have been evidenced generally. Thus it is available for the researches of mulberry resources in Tibet and those concerned in the origin, evolution and classification of mulberry.

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