| Female Plant Types of Ginkgo biloba L. in China |
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| 引用本文： | ChenPeng HeFengren TaoJun QianBolin WeiJun LingYuping WangLi. Female Plant Types of Ginkgo biloba L. in China[J]. 中国林学(英文版), 2003, 5(2): 17-22 |
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| 作者姓名： | ChenPeng HeFengren TaoJun QianBolin WeiJun LingYuping WangLi |
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| 作者单位： | DepartmentofHorticulture,AgriculturalCollegeYangzhouUniversity,Yangzhou225009,P.R.China |
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| 摘 要： | Ginkgo biloba is a dioecious and unique species within Ginkgo family and Ginkgo genus, but it shows a big variability. From 1950s, resources of female plants in China were investigated and collected, and the seed anatomical structure and morphological characters at different development stages were observed. According to the shape, length, width and thickness of ovule bracket and seed stone, as well as the characteristics of both sides and top of the stone, the female plants of Ginkgo biloba have been divided into five types, long-stone, Buddha-finger, horse-bell, mume-stone and round-stone. In addition, the important cultivars belonging to different types were also determined. The stone weight, index of stone shape, and contents of dry matter, amylose,amylopectin, starch, rough protein, soluble sugar and hydrocyanic acid in seed kernel of each type were measured, and the qualities of seed stone were appraised, which lays a foundation for the improvement and utilization of female plant resources in Ginkgo biloba.
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| 关 键 词： | 中国 银杏 雌雄异体 雌性个体 种子解剖结构 种子形态特征 |
Female Plant Types of Ginkgo biloba L. in China |
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| Chen Peng,He Fengren,Tao Jun,Qian Bolin,Wei Jun,Ling Yuping,Wang Li. Female Plant Types of Ginkgo biloba L. in China[J]. Forestry Studies in China, 2003, 5(2): 17-22 |
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| Authors: | Chen Peng He Fengren Tao Jun Qian Bolin Wei Jun Ling Yuping Wang Li |
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| Abstract: | Ginkgo biloba is a dioecious and unique species within Ginkgo family and Ginkgo genus, but it shows a big variability. From 1950s, resources of female plants in China were investigated and collected, and the seed anatomical structure and morphological characters at different development stages were observed. According to the shape, length, width and thickness of ovule bracket and seed stone, as well as the characteristics of both sides and top of the stone, the female plants of Ginkgo biloba have been divided into five types, long-stone, Buddha-finger, horse-bell, mume-stone and round-stone. In addition, the important cultivars belonging to different types were also determined. The stone weight, index of stone shape, and contents of dry matter, amylose, amylopectin, starch, rough protein, soluble sugar and hydrocyanic acid in seed kernel of each type were measured, and the qualities of seed stone were appraised, which lays a foundation for the improvement and utilization of female plant resources in Ginkgo biloba. |
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| Keywords: | Ginkgo biloba female plant anatomical character of seed type |
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