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园艺学报 ›› 2019, Vol. 46 ›› Issue (10): 2047-2054.doi: 10.16420/j.issn.0513-353x.2019-0215

• 研究报告 • 上一篇    下一篇

灵芝生长过程中培养料中的碳转化及CO2排放

刘凌云1,*,黄在兴1,2,*,邢世和3,翁伯琦4,罗旭辉4,刘朋虎1,**   

  1. 1福建农林大学园艺学院/国家菌草工程技术研究中心,福州 350002;2福建农林大学生命科学学院,福州 350002;3福建农林大学资源与环境学院,福州 350002;4福建省农业科学院,福州 350003
  • 出版日期:2019-10-25 发布日期:2019-10-25
  • 基金资助:

    福州市科技计划项目(2017-N-34);中央引导地方科技发展专项(2016L3004);福建省菌草生态产业协同创新中心攻关项目(K80ND800216)

Carbon Convert of Cultivating Substrate and Carbon Dioxide Emission during the growth of Ganoderma lucidum

LIU Lingyun1,*,HUANG Zaixing1,2,*,XING Shihe3,WENG Boqi4,LUO Xuhui4,and LIU Penghu1,**   

  1. 1College of Horticulture/National Engineering Research Center of JUNCAO Technology,Fujian Agriculture and Forestry University,Fuzhou 350002,China;2College of Life Sciences,Fujian Agriculture and Forestry University,Fuzhou 350002,China;3College of Resources and Environment,Fujian Agriculture and Forestry University,Fuzhou 350002,China;4Fujian Academy of Agriculture Sciences,Fuzhou 350003,China
  • Online:2019-10-25 Published:2019-10-25

摘要:

通过分析灵芝生长过程中培养料中碳素转化和子实体CO2的排放,来揭示灵芝生长过程中碳素的利用规律。结果表明:灵芝生长过程中碳的利用率为48.3%,其中12.5%的碳转化到了子实体中,35.8%的碳以CO2形式排放;CO2的排放量共出现3次高峰,分别在菌丝长满菌袋、子实体原基出现和子实体成熟阶段,在原基形成时达到最高峰;纤维素和半纤维素降解主要在菌丝满袋到原基形成阶段,而木质素降解主要在子实体生长阶段。

关键词: 灵芝, 碳, CO2排放通量, 木质纤维素

Abstract:

In this study,carbon utilization of Ganoderma lucidum was analyzed following CO2 emission and lignocellulose degradation during colonization of substrate and during fruiting body formation. The results show that during growth of G. lucidum the utilization rate of carbon was 48.3% of which 12.5% of carbon was converted into the fruiting body and 35.8% of the carbon was emitted in the form of CO2. CO2 emission peaked at three times,respectively when the mycelium finished colonizing the substrate,during primordium formation,and during fruiting body maturation. Cellulose and hemicellulose were mainly degraded during colonization of the substrate by the mycelium up to primordium formation,while lignin was mainly degraded during the growing period of the fruiting body.

Key words: Ganoderma lucidum, carbon, CO2 emission flux, lignocellulose

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