| 银杏种质资源及优株选择研究初报 |
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| 引用本文： | 赵思东,朱日光.银杏种质资源及优株选择研究初报[J].经济林研究,1998,16(1):19-21,39. |
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| 作者姓名： | 赵思东 朱日光 |
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| 作者单位： | 中南林学院!株洲，412006(赵思东，吕芳德)，湖南省资兴市林业局(朱日光，陈献忠) |
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| 摘 要： | 资兴市是湖南银杏重要分布区，对该市银杏种质资源的分布情况，生长特性，经济性状等进行系统调查研究，表明该市银杏种质资源丰富，分布范围广，结实性能好，种核较大，形成了人有南岭山地银杏地理生态的大果特色。从栽培利用角度，钭品种资源分为梅核，马铃，佛手３类，其中以梅核类最多，占６２．５％。
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| 关 键 词： | 银杏 种质资源 资源分布 优株选择 |
Survey of Ginkgo Germplasm Resource and Selection of Plus Trees |
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| Zhao Sidong, Zhu Riguang, and Chen Xianzhong.Survey of Ginkgo Germplasm Resource and Selection of Plus Trees[J].Economic Forest Researches,1998,16(1):19-21,39. |
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| Authors: | Zhao Sidong Zhu Riguang and Chen Xianzhong |
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| Abstract: | A survey of the ginkgo (Ginkgo biloba) germplasm resource in Zixing Countyo f southern Hunan in terms of distribution,growth conditions and economic performance wasconducted. Results showed that this plant is widely distributed in the area with a big--nutgeographical ecotype. Of the three cultivar types commonly adopted in production, namely,Meihai, Maling, and Foshou, Meihai accounts for 62. 5 percent. On the basis of resourcesurvey 11 plus trees fit for extension in the neighbourhood were identified according to nutsize, nut percentage, kernel rate, nut yield and nut quality. |
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| Keywords: | Ginkgo Germplasm resource Resource distribution Plus tree selection |
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