植物生态与资源分类

柑橘园土壤中丛枝菌根真菌土著菌株的促生效应研究

  • 吴 伟 ,
  • 周 杨 ,
  • 陈杰忠 ,
  • 朱红惠 ,
  • 姚 青
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  • (1.宿州职业技术学院,安徽 宿州 234000;2.华南农业大学园艺学院/广东省微生物信号与作物病害防控重点实验室,广东 广州 510642;3.广东省微生物研究所,广东 广州 510070)
吴伟,硕士,副教授,从事果树栽培及生理研究。

收稿日期: 2018-09-19

  修回日期: 2018-09-28

  网络出版日期: 2018-12-30

基金资助

国家自然科学基金项目(31570395);安徽省教育厅质量工程项目(2015zy096);广东省科技创新领军人才(2015TX01N036);广东省科学院实施创新驱动发展能力建设专项资金项目(2017GDASCX-0402)

Indigenous Isolates of Arbuscular Mycorrhizal Fungi in Citrus Orchard Soil and Their Growth-Promoting Effects

  • WU Wei ,
  • ZHOU Yang ,
  • CHEN Jie-zhong ,
  • ZHU Hong-hui ,
  • YAO Qing
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  • (1.Suzhou Vocational and Technical College, Suzhou 234000, Anhui China; 2.College of Horticulture, South China Agricultural University/Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Guangzhou 510642, Guangdong China; 3.Guangdong Institute of Microbiology, Guangzhou 510070, Guangdong China)

Received date: 2018-09-19

  Revised date: 2018-09-28

  Online published: 2018-12-30

摘要

柑橘对丛枝菌根(AM)真菌具有较高的依赖性,从柑橘园土壤中分离筛选的高效促生AM真菌菌株具有重要的应用价值。本研究从广东增城柑橘园(酸橘砧‘红江橙’)土壤中分离的4个AM真菌土著菌株对‘红江橙’幼苗的促生效应。结果表明,4个土著菌株分别是Scutellospora属和Glomus属菌株,根系侵染率为12.7%~29.3%;与不接种对照相比,4个土著菌株不同程度地促进‘红江橙’幼苗的株高、生物量和N、P、K养分含量,菌根依赖性达9.4%~37.1%;主成分分析表明,土著菌株ZCSP-D的促生效应达到常用优良菌株Rhizophagus irregularis的水平。

本文引用格式

吴 伟 , 周 杨 , 陈杰忠 , 朱红惠 , 姚 青 . 柑橘园土壤中丛枝菌根真菌土著菌株的促生效应研究[J]. 亚热带植物科学, 2018 , 47(04) : 327 -332 . DOI: 10.3969/j.issn.1009-7791.2018.04.005

Abstract

Citrus plants are highly dependent on arbuscular mycorrhizal (AM) fungi, therefore, it is of practical significance to screen efficient isolates from citrus orchard soil. This study used 4 indigenous AMF isolates from citrus (‘Hongjiangcheng’ cultivar with Citrus haniana stock) orchard soil in Zengcheng, Guangdong Province as materials, investigated the growth-promoting effects of indigenous isolates on citrus plants. Results indicated that 4 isolates belonged to Scutellospora and Glomus, with root colonization rate of 12.7%—29.3%. Compared with the non-inoculated control, 4 indigenous isolates promoted the plant height, biomass and N, P, K nutrient content of ‘Hongjiangcheng’ seedlings, with mycorrhizal dependency of 9.4%—37.1%. Principle component analysis suggested that the growth-promoting effect of indigenous isolate ZCSP-D was similar to that of the commonly used efficient isolate Rhizophagus irregularis.

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