Spectral reflectance of leaves for<em> Phyllostachys pubescens</em> at different canopy layers using a 4th order derivative

DONG Da-chuan; KONG Zhen; YANG Wei-xi; LI Shuang-shuang; GAO Rong-fu; GAO Pei-jun

doi:10.11833/j.issn.2095-0756.2011.06.009

Volume 28 Issue 6

Dec. 2011

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Article Navigation > Journal of Zhejiang A&F University > 2011 > 28(6): 893-899

DONG Da-chuan, KONG Zhen, YANG Wei-xi, LI Shuang-shuang, GAO Rong-fu, GAO Pei-jun. Spectral reflectance of leaves for Phyllostachys pubescens at different canopy layers using a 4th order derivative[J]. Journal of Zhejiang A&F University, 2011, 28(6): 893-899. doi: 10.11833/j.issn.2095-0756.2011.06.009

Citation:

DONG Da-chuan, KONG Zhen, YANG Wei-xi, LI Shuang-shuang, GAO Rong-fu, GAO Pei-jun. Spectral reflectance of leaves for Phyllostachys pubescens at different canopy layers using a 4th order derivative[J]. Journal of Zhejiang A&F University, 2011, 28(6): 893-899. doi: 10.11833/j.issn.2095-0756.2011.06.009

Spectral reflectance of leaves for Phyllostachys pubescens at different canopy layers using a 4th order derivative

doi: 10.11833/j.issn.2095-0756.2011.06.009

1.
The Nurturing Station for the State Key Laboratory of Subtropical Silviculture，Zhejiang A & F University，Lin’an 311300，Zhejiang，China

Publish Date: 2011-12-20

Abstract

To determine how Phyllostachys pubescens （moso bamboo），a highly efficient photosynthetic plant，efficiently used solar energy and what changes occurred with different light environments，the spectral reflectance of Ph. pubescens leaves was measured in different directions，heights，and ages. There were 36 treatments were set，and 108 samples in total. Then，raw data was processed with Origin 8.0 software using a 4th order derivative. Derivative processing was utilized to decompose overlapped peaks so the derived spectra could improve the signal-to-noise ratio （SNR） of the crude data leading to better qualitative and quantitative analysis. Results showed that in shade conditions，the proportion of chlorophyll changed，chlorophyll a/b declined，and carotenoids and xanthophylls accumulated. Also，potential photosynthesis decreased as Ph. pubescens grew. These results suggested that sun leaves and upper leaves have higher utilization of photosynthesis.［Ch，3 fig. 1 tab. 24 ref.］
- forest ecology,
- Phyllostachys pubescens,
- chlorophyll,
- photosynthesis,
- spectral reflectance,
- 4th order derivative

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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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Spectral reflectance of leaves for Phyllostachys pubescens at different canopy layers using a 4th order derivative

1. The Nurturing Station for the State Key Laboratory of Subtropical Silviculture，Zhejiang A & F University，Lin’an 311300，Zhejiang，China

Publish Date: 2011-12-20

Key words:

Abstract: To determine how Phyllostachys pubescens （moso bamboo），a highly efficient photosynthetic plant，efficiently used solar energy and what changes occurred with different light environments，the spectral reflectance of Ph. pubescens leaves was measured in different directions，heights，and ages. There were 36 treatments were set，and 108 samples in total. Then，raw data was processed with Origin 8.0 software using a 4th order derivative. Derivative processing was utilized to decompose overlapped peaks so the derived spectra could improve the signal-to-noise ratio （SNR） of the crude data leading to better qualitative and quantitative analysis. Results showed that in shade conditions，the proportion of chlorophyll changed，chlorophyll a/b declined，and carotenoids and xanthophylls accumulated. Also，potential photosynthesis decreased as Ph. pubescens grew. These results suggested that sun leaves and upper leaves have higher utilization of photosynthesis.［Ch，3 fig. 1 tab. 24 ref.］

Spectral reflectance of leaves for Phyllostachys pubescens at different canopy layers using a 4th order derivative

doi: 10.11833/j.issn.2095-0756.2011.06.009

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Spectral reflectance of leaves for Phyllostachys pubescens at different canopy layers using a 4th order derivative

doi: 10.11833/j.issn.2095-0756.2011.06.009

1. The Nurturing Station for the State Key Laboratory of Subtropical Silviculture，Zhejiang A & F University，Lin’an 311300，Zhejiang，China

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Spectral reflectance of leaves for Phyllostachys pubescens at different canopy layers using a 4th order derivative

doi: 10.11833/j.issn.2095-0756.2011.06.009

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Spectral reflectance of leaves for Phyllostachys pubescens at different canopy layers using a 4th order derivative

doi: 10.11833/j.issn.2095-0756.2011.06.009

1. The Nurturing Station for the State Key Laboratory of Subtropical Silviculture，Zhejiang A & F University，Lin’an 311300，Zhejiang，China

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