Seedling growth and leaf pigments of<em> Cleyera japonica</em> with shade treatments

WU Jiang; LIU Peng; WU Jia-sheng

doi:10.11833/j.issn.2095-0756.2010.05.024

Volume 27 Issue 5

Oct. 2010

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WU Jiang, LIU Peng, WU Jia-sheng. Seedling growth and leaf pigments of Cleyera japonica with shade treatments[J]. Journal of Zhejiang A&F University, 2010, 27(5): 786-789. doi: 10.11833/j.issn.2095-0756.2010.05.024

Citation:

WU Jiang, LIU Peng, WU Jia-sheng. Seedling growth and leaf pigments of Cleyera japonica with shade treatments[J]. Journal of Zhejiang A&F University, 2010, 27(5): 786-789. doi: 10.11833/j.issn.2095-0756.2010.05.024

Seedling growth and leaf pigments of Cleyera japonica with shade treatments

doi: 10.11833/j.issn.2095-0756.2010.05.024

1.
School of Forestry and Biotechnology，Zhejiang A & F University，Lin’an 311300，Zhejiang，China

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Corresponding author: WU Jia-sheng
Publish Date: 2010-10-20

Abstract

To determine branch yield and quality as well as to provide a theoretical basis for the formulation of cultural practices in a branch-producing plantation of Cleyera japonica，a shading experiment was carried out to measure growth indexes and leaf pigment content with shading treatments of 100% full-light （control），50%，20% and 12%. Results showed that（1） chlorophyll a，chlorophyll b，and anthocyanin in the leaf of C. japonica increased with an increase in shading with chlorophyll a，b and anthocyanin highest with the 12% shading treatment，which was significantly more than the control. （2） With 50% shading，seedling height，diameter，biomass，root to shoot ratio，specific leaf area were highest，whereas leaf spacing was lowest. As shading intensity increased from 50% to 12%，seedling growth was inhibited. Since the one-layer shading treatment （50%） promoted seedling growth，increased chlorophyll content，and reduced leaf spacing，utilization of C. japonica branches increased.［Ch，3 tab. 15 ref.］
- silviculture,
- Cleyera japonica,
- shading,
- branch-producing plantation-growth,

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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Seedling growth and leaf pigments of Cleyera japonica with shade treatments

1. School of Forestry and Biotechnology，Zhejiang A & F University，Lin’an 311300，Zhejiang，China

Corresponding author: WU Jia-sheng

Publish Date: 2010-10-20

Key words:

Abstract: To determine branch yield and quality as well as to provide a theoretical basis for the formulation of cultural practices in a branch-producing plantation of Cleyera japonica，a shading experiment was carried out to measure growth indexes and leaf pigment content with shading treatments of 100% full-light （control），50%，20% and 12%. Results showed that（1） chlorophyll a，chlorophyll b，and anthocyanin in the leaf of C. japonica increased with an increase in shading with chlorophyll a，b and anthocyanin highest with the 12% shading treatment，which was significantly more than the control. （2） With 50% shading，seedling height，diameter，biomass，root to shoot ratio，specific leaf area were highest，whereas leaf spacing was lowest. As shading intensity increased from 50% to 12%，seedling growth was inhibited. Since the one-layer shading treatment （50%） promoted seedling growth，increased chlorophyll content，and reduced leaf spacing，utilization of C. japonica branches increased.［Ch，3 tab. 15 ref.］

Seedling growth and leaf pigments of Cleyera japonica with shade treatments

doi: 10.11833/j.issn.2095-0756.2010.05.024

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通讯作者: 陈斌, bchen63@163.com

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Seedling growth and leaf pigments of Cleyera japonica with shade treatments

doi: 10.11833/j.issn.2095-0756.2010.05.024

1. School of Forestry and Biotechnology，Zhejiang A & F University，Lin’an 311300，Zhejiang，China

Corresponding author: WU Jia-sheng

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Seedling growth and leaf pigments of Cleyera japonica with shade treatments

doi: 10.11833/j.issn.2095-0756.2010.05.024

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通讯作者: 陈斌, bchen63@163.com

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Seedling growth and leaf pigments of Cleyera japonica with shade treatments

doi: 10.11833/j.issn.2095-0756.2010.05.024

1. School of Forestry and Biotechnology，Zhejiang A & F University，Lin’an 311300，Zhejiang，China

Corresponding author: WU Jia-sheng

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