Effect of density and heading height on leaf-use <em>Ginkgo biloba</em> forest

JIANG Yue-zhong; WANG Kai-fang; LIU Yuan-qian; WU De-jun; CHEN Bao-quan; LIU Wei-guo; WANG Hua-tian

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Volume 21 Issue 3

Feb. 2017

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Article Navigation > Journal of Zhejiang A&F University > 2004 > 21(3): 290-294

JIANG Yue-zhong, WANG Kai-fang, LIU Yuan-qian, WU De-jun, CHEN Bao-quan, LIU Wei-guo, WANG Hua-tian. Effect of density and heading height on leaf-use Ginkgo biloba forest[J]. Journal of Zhejiang A&F University, 2004, 21(3): 290-294.

Citation:

JIANG Yue-zhong, WANG Kai-fang, LIU Yuan-qian, WU De-jun, CHEN Bao-quan, LIU Wei-guo, WANG Hua-tian. Effect of density and heading height on leaf-use Ginkgo biloba forest[J]. Journal of Zhejiang A&F University, 2004, 21(3): 290-294.

Effect of density and heading height on leaf-use Ginkgo biloba forest

1.
.Shandong Forestry Academy , Ji’nan 250001, Shangdong , China;
2.
.Forest Enterprise of Ju’nan County , Ju’nan 276600, Shangdong , China;
3.
.Forestry College , Shandong Agricultural University , Tai’an 271018 , Shangdong , China

Funds:

国家林业局 948 项目(94-4-16)

Received Date: 2003-11-12
Rev Recd Date: 2004-03-02
Publish Date: 2004-09-20

Abstract

By double-factor randomized block field test , shoot growth , leaf yield , and the contents of main medicine components flavonoid and terpin of 3 densities and 4 heading heights in leaf-use Ginkgo biloba forest were tested .The results showed that the suitable density and heading height treatment could improve the illumination conditions for the crowns , promote the germination and growth of branches , increase the number , area and yield of leaf in each tree .The contents of leaf flavonoid and terpin content decreased with the increase in the heading height.Denser forest (60 ～ 40 cm 20 cm)at early stage would make a higher yield of leaf .The heading height can be shortened properly on the precondition that it will not affect the yield of leaves .The stem can be cut at 30 - 50 cm from the ground .[ Ch , 10 tab .5 ref .]
- Ginkgo biloba,
- leaf-use forest,
- density,
- heading height,
- content of medicine components,
- leaf yield

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Effect of density and heading height on leaf-use Ginkgo biloba forest

1. .Shandong Forestry Academy , Ji’nan 250001, Shangdong , China;

2. .Forest Enterprise of Ju’nan County , Ju’nan 276600, Shangdong , China;

3. .Forestry College , Shandong Agricultural University , Tai’an 271018 , Shangdong , China

Funds:

国家林业局 948 项目(94-4-16)

Received Date: 2003-11-12
Rev Recd Date: 2004-03-02
Publish Date: 2004-09-20

Key words:

Abstract: By double-factor randomized block field test , shoot growth , leaf yield , and the contents of main medicine components flavonoid and terpin of 3 densities and 4 heading heights in leaf-use Ginkgo biloba forest were tested .The results showed that the suitable density and heading height treatment could improve the illumination conditions for the crowns , promote the germination and growth of branches , increase the number , area and yield of leaf in each tree .The contents of leaf flavonoid and terpin content decreased with the increase in the heading height.Denser forest (60 ～ 40 cm 20 cm)at early stage would make a higher yield of leaf .The heading height can be shortened properly on the precondition that it will not affect the yield of leaves .The stem can be cut at 30 - 50 cm from the ground .[ Ch , 10 tab .5 ref .]

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Effect of density and heading height on leaf-use Ginkgo biloba forest

1. .Shandong Forestry Academy , Ji’nan 250001, Shangdong , China;

2. .Forest Enterprise of Ju’nan County , Ju’nan 276600, Shangdong , China;

3. .Forestry College , Shandong Agricultural University , Tai’an 271018 , Shangdong , China

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Effect of density and heading height on leaf-use Ginkgo biloba forest

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Effect of density and heading height on leaf-use Ginkgo biloba forest

1. .Shandong Forestry Academy , Ji’nan 250001, Shangdong , China; 2. .Forest Enterprise of Ju’nan County , Ju’nan 276600, Shangdong , China; 3. .Forestry College , Shandong Agricultural University , Tai’an 271018 , Shangdong , China

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1. .Shandong Forestry Academy , Ji’nan 250001, Shangdong , China;

2. .Forest Enterprise of Ju’nan County , Ju’nan 276600, Shangdong , China;

3. .Forestry College , Shandong Agricultural University , Tai’an 271018 , Shangdong , China