| 叶用银杏栽培密度及采叶方式的综合分析 |
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| 引用本文： | 欧阳绍,杨柳,陈春芳,张仕斌,陈俊,涂亚莉.叶用银杏栽培密度及采叶方式的综合分析[J].经济林研究,1999(3). |
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| 作者姓名： | 欧阳绍 杨柳 陈春芳 张仕斌 陈俊 涂亚莉 |
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| 作者单位： | 湖北省林科院!武汉，430075湘，湖北省林科院!武汉，430075，湖北省林科院!武汉，430075，安陆市科委，安陆市科委，安陆市科委 |
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| 摘 要： | 本文对幼龄叶用银杏从不同密度、不同采叶方式，综合产叶量和黄酮含量两方面因素，对其药用价值进行了分析评价，结果表明：３ 年生幼龄叶用银杏种植密度以 ７．５ 万株／ｈｍ ２ 为佳，７．５～１１ 万株／ｈｍ ２ 均宜，年２ 次采叶包括 １／２ 采、全采和 １ 次性采叶对照 ３ 种采叶方式无显著性差异，以 １ 次性采叶为宜。
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| 关 键 词： | 银杏叶 栽培密度 采叶方式 黄酮含量 |
Comparative Study on Planting Densities and Leaf Plucking System for Leaf Product Ginkgo Orchards |
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| Ouyang Shaoxiang,Yang Liu,and Chen Chunfang Forestry Academy of Hubei Province,Wuhan,Hubei.Comparative Study on Planting Densities and Leaf Plucking System for Leaf Product Ginkgo Orchards[J].Economic Forest Researches,1999(3). |
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| Authors: | Ouyang Shaoxiang Yang Liu and Chen Chunfang Forestry Academy of Hubei Province Wuhan Hubei |
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| Institution: | Ouyang Shaoxiang,Yang Liu,and Chen Chunfang Forestry Academy of Hubei Province,Wuhan,Hubei 430075 |
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| Abstract: | The leaf yield of young ginkgo trees and the content of flavone extracted from the leaves varied with the planting density and leaf plucking system. The comparative test showed that for 3 year old trees the approproate planting density can range from 75 000 to 110 000 stems per ha, with the former being optimal. One time leaf plucking per year showed insignificant difference from two time plucking (half plucked at the first time and wholly plucked at the second time), but one time plucking system is recommended. |
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| Keywords: | Ginkgo biloba Planting density Leaf plucking system Flavone content |
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