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Dynamic Emission Characteristics of BVOCs Released by Hevea brasiliensis of Different Ages
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Dingcheng WANG4, Chunyan WANG1, Jianbo JI2, Zongde YANG3, Wen ZHENG1, **
Chinese Journal of Tropical Crops | 2025, 46(11) : 2776 - 2787
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Chinese Journal of Tropical Crops | 2025, 46(11): 2776-2787
• Agricultural Ecology & Environmental Protection •
Dynamic Emission Characteristics of BVOCs Released by Hevea brasiliensis of Different Ages
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Dingcheng WANG4, Chunyan WANG1, Jianbo JI2, Zongde YANG3, Wen ZHENG1, **
Affiliations
  • 1.Hainan State Farms Academy of Sciences Group Co., Ltd., Haikou, Hainan 570206, China
  • 2.College of Ecology and Environment, Hainan University, Haikou, Hainan 570228, China
  • 3.Bawangling Branch, Hainan Tropical Rainforest National Park Management Bureau, Changjiang, Hainan 572722, China
  • 4.Hainan Research Academy of Environmental Sciences, Haikou, Hainan 570100, China
Published: 2025-11-25 doi: 10.3969/j.issn.1000-2561.2025.11.022
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Biogenic volatile organic compounds (BVOCs) are important secondary metabolites released by forest plants, playing a crucial role in plant growth, development and environmental regulation. This study focused on rubber trees (Hevea brasiliensis) widely cultivated in Hainan Island. Using dynamic headspace sampling coupled with thermal desorption-gas chromatography-mass spectrometry (GC-MS), we systematically analyzed the emission characteristics of BVOCs and the environmental influencing factors across rubber trees of different stand ages (5, 15, 20 and 25 years). The diurnal variation of BVOCs exhibited a unimodal curve, with peak emissions concentrated between 10:30 and 13:00. BVOC emission rates decreased significantly with increasing stand age (5 years >15 years >20 years >25 years), and emissions during the rainy season were significantly higher than those during the dry season. The diversity of monoterpenes (MTs), other terpenes (OTs) and oxygenated volatile organic compounds (OVOCs) decreased with stand age, while sesquiterpenes (STs) remained stable. BVOC emissions showed significant positive correlations with net photosynthetic rate, transpiration rate, and light intensity (P<0.05), with light intensity being the primary influencing factor. The effects of air temperature and humidity on BVOC emissions increased with stand age. This study elucidated the age-related effects and seasonal dynamics of BVOC emissions in rubber plantations, providing a scientific basis for assessing the ecological and environmental impacts of tropical artificial forests.

Hevea brasiliensis  /  BVOCs  /  release rate
Dingcheng WANG, Chunyan WANG, Jianbo JI, Zongde YANG, Wen ZHENG. Dynamic Emission Characteristics of BVOCs Released by Hevea brasiliensis of Different Ages[J]. Chinese Journal of Tropical Crops, 2025 , 46 (11) : 2776 -2787 . DOI: 10.3969/j.issn.1000-2561.2025.11.022
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Year 2025 volume 46 Issue 11
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Article Info
doi: 10.3969/j.issn.1000-2561.2025.11.022
  • Receive Date：2025-04-17
  • Online Date：2026-06-24
  • Published：2025-11-25
Article Data
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History
  • Received：2025-04-17
  • Accepted：2025-07-15
Funding
Affiliations
    1.Hainan State Farms Academy of Sciences Group Co., Ltd., Haikou, Hainan 570206, China
    2.College of Ecology and Environment, Hainan University, Haikou, Hainan 570228, China
    3.Bawangling Branch, Hainan Tropical Rainforest National Park Management Bureau, Changjiang, Hainan 572722, China
    4.Hainan Research Academy of Environmental Sciences, Haikou, Hainan 570100, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
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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