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Functional Characters and Eco Stoichiometric Characteristics of Leaves of Seven Landscape Shrubs
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Cancan HUO, Liqiong ZHU, Mengyuan LONG, Lijun ZHAO*
Chinese Journal of Tropical Crops | 2023, 44(2) : 337 - 346
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Chinese Journal of Tropical Crops | 2023, 44(2): 337-346
Plant Cultivation, Physiology & Biochemistry
Functional Characters and Eco Stoichiometric Characteristics of Leaves of Seven Landscape Shrubs
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Cancan HUO, Liqiong ZHU, Mengyuan LONG, Lijun ZHAO*
Affiliations
  • Forestry College, Guangxi University/Guangxi Key Laboratory of Forest Ecology and Conservation, Nanning, Guangxi 530004, China
Published: 2023-02-25 doi: 10.3969/j.issn.1000-2561.2023.02.013
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The leaf functional properties and eco stoichiometric characteristics of seven greening shrubs in the split green belt of University East Road in Nanning were studied to provide a theoretical basis for the selection and allocation of urban road greening plants and the construction of urban ecological engineering in similar environments. The average value of leaf area (LA), specific leaf area (SLA), dry matter content (LDMC), leaf water content (LWC) and chlorophyll content (Chl) of the seven shrubs was 15.68 cm2, 136.33 cm2/g, 0.24 g/g, 76.42 % and 9.36 mg/g respectively. The average value of N, P, K, N∶P, N∶K and K∶P in the leaves was 21.23 mg/g, 0.39 mg/g, 9.37 mg/g, 55.48, 2.28 and 25.14 respectively. There were significant differences in leaf functional traits and eco stoichiometry among different shrub species. Correlation analysis showed that N, N∶P and N∶K in the leaves were significantly positively correlated with SLA and CHL, and P in the leaves was significantly positively correlated with LWC. In addition, K in the leaves was significantly positively correlated with LWC. Through redundancy analysis, it was found that the first and second ranking axes jointly explained 93.51% of the total variation of leaf eco stoichiometric characteristics. Among them, SLA, LWC and Chl were the leaf functional trait factors that have a significant impact on leaf eco stoichiometry. Principal component comprehensive analysis showed that the growth status and resource utilization efficiency of Forsythia suspensa, Hibiscus rosasinensis L. and Pittosporum pentandrum var. formosanum were better. In addition, the shrubs have better adaptability to the environment of the study area, so they are suitable to be used as important tree species for urban landscape planning.

landscaping shrubs  /  leaf  /  functional traits  /  ecological stoichiometry  /  correlation analysis
Cancan HUO, Liqiong ZHU, Mengyuan LONG, Lijun ZHAO. Functional Characters and Eco Stoichiometric Characteristics of Leaves of Seven Landscape Shrubs[J]. Chinese Journal of Tropical Crops, 2023 , 44 (2) : 337 -346 . DOI: 10.3969/j.issn.1000-2561.2023.02.013
Year 2023 volume 44 Issue 2
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doi: 10.3969/j.issn.1000-2561.2023.02.013
  • Receive Date:2022-05-10
  • Online Date:2026-03-05
  • Published:2023-02-25
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  • Received:2022-05-10
  • Revised:2022-05-26
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    Forestry College, Guangxi University/Guangxi Key Laboratory of Forest Ecology and Conservation, Nanning, Guangxi 530004, China
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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