Chlorophyll differences in chlorotic <EM>Cinnamomum camphora</EM> leaves

LIU Hai-xing; ZHANG De-shun; SHANG Kan-kan; CHEN Xiang-bo; DA Liang-jun

Volume 26 Issue 4

Aug. 2009

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Article Navigation > Journal of Zhejiang A&F University > 2009 > 26(4): 479-484

LIU Hai-xing, ZHANG De-shun, SHANG Kan-kan, CHEN Xiang-bo, DA Liang-jun. Chlorophyll differences in chlorotic Cinnamomum camphora leaves[J]. Journal of Zhejiang A&F University, 2009, 26(4): 479-484.

Citation:

LIU Hai-xing, ZHANG De-shun, SHANG Kan-kan, CHEN Xiang-bo, DA Liang-jun. Chlorophyll differences in chlorotic Cinnamomum camphora leaves[J]. Journal of Zhejiang A&F University, 2009, 26(4): 479-484.

Chlorophyll differences in chlorotic Cinnamomum camphora leaves

1.
School of Resources and Environment Science，East China Normal University，Shanghai 200062，China;
2.
Shanghai Landscape Gardening Research Institute，Shanghai 200232，China;
3.
College of Architecture and Urban Planning，Tongji University，Shanghai 200092，China

More Information

Corresponding author: ZHANG De-shun
Publish Date: 2009-08-20

Abstract

In the middle and lower reaches of the Yangtze River region in recent decades，chlorotic Cinnamomum camphora has become more and more serious with urban landscape and greening benefits degraded due to physiological disease of this tree species. In this research，physiological and biochemical properties of chlorotic C. camphora leaves from trees in typical planted areas of Shanghai （botanical gardens，leisure open spaces，and sides of highways） and chlorophyll variation were studied. Results of chlorophyll （Chl） differences in chlorotic C. camphora leaves showed decreases in Chla（91.2%），Chlb（95.1%），carotenoids （82.2%），the ratio of chlorophyll/carotenoid（58.5%），superoxide dismutase（SOD）（46.4%），and peroxidase（POD）（66.6%），compared to the health leaves. Also，the active iron content in yellow leaves was 50%－65% of health leaves，and the chlorophyll a/b ratio of the serious yellow leaves increased 98.7%，compared to the health leaves. The relative increase in carotenoid content could result in chlorotic C. camphora，whereas POD and SOD activity could indicate the degree of chlorosis.［Ch，8 fig. 2 tab. 20 ref.］
- botany,
- Cinnamomum camphora,
- chlorosis,
- photosynthetic pigment,
- superioxide dismutase（SOD）,
- peroxidase（POD）,
- active iron

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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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Chlorophyll differences in chlorotic Cinnamomum camphora leaves

1. School of Resources and Environment Science，East China Normal University，Shanghai 200062，China;

2. Shanghai Landscape Gardening Research Institute，Shanghai 200232，China;

3. College of Architecture and Urban Planning，Tongji University，Shanghai 200092，China

Corresponding author: ZHANG De-shun

Publish Date: 2009-08-20

Key words:

Abstract: In the middle and lower reaches of the Yangtze River region in recent decades，chlorotic Cinnamomum camphora has become more and more serious with urban landscape and greening benefits degraded due to physiological disease of this tree species. In this research，physiological and biochemical properties of chlorotic C. camphora leaves from trees in typical planted areas of Shanghai （botanical gardens，leisure open spaces，and sides of highways） and chlorophyll variation were studied. Results of chlorophyll （Chl） differences in chlorotic C. camphora leaves showed decreases in Chla（91.2%），Chlb（95.1%），carotenoids （82.2%），the ratio of chlorophyll/carotenoid（58.5%），superoxide dismutase（SOD）（46.4%），and peroxidase（POD）（66.6%），compared to the health leaves. Also，the active iron content in yellow leaves was 50%－65% of health leaves，and the chlorophyll a/b ratio of the serious yellow leaves increased 98.7%，compared to the health leaves. The relative increase in carotenoid content could result in chlorotic C. camphora，whereas POD and SOD activity could indicate the degree of chlorosis.［Ch，8 fig. 2 tab. 20 ref.］

Chlorophyll differences in chlorotic Cinnamomum camphora leaves

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通讯作者: 陈斌, bchen63@163.com

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Chlorophyll differences in chlorotic Cinnamomum camphora leaves

1. School of Resources and Environment Science，East China Normal University，Shanghai 200062，China;

2. Shanghai Landscape Gardening Research Institute，Shanghai 200232，China;

3. College of Architecture and Urban Planning，Tongji University，Shanghai 200092，China

Corresponding author: ZHANG De-shun

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Chlorophyll differences in chlorotic Cinnamomum camphora leaves

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通讯作者: 陈斌, bchen63@163.com

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Chlorophyll differences in chlorotic Cinnamomum camphora leaves

1. School of Resources and Environment Science，East China Normal University，Shanghai 200062，China; 2. Shanghai Landscape Gardening Research Institute，Shanghai 200232，China; 3. College of Architecture and Urban Planning，Tongji University，Shanghai 200092，China

Corresponding author: ZHANG De-shun

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1. School of Resources and Environment Science，East China Normal University，Shanghai 200062，China;

2. Shanghai Landscape Gardening Research Institute，Shanghai 200232，China;

3. College of Architecture and Urban Planning，Tongji University，Shanghai 200092，China