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Effects of truffle inoculation on a nursery culture substrate environment and seedling of Carya illinoinensis

文献类型： 外文期刊

作者： Huang, Yue 1 ; Zou, Jie 1 ; Kang, Zongjing 1 ; Zhang, Xiaoping 1 ; Penttinen, Petri 1 ; Zhang, Xiaoping 1 ; Li, Xiaoli 1 ;

作者机构： 1.Sichuan Agr Univ, Coll Resources, Dept Microbiol, Chengdu 611130, Peoples R China

2.Sichuan Acad Agr Sci, Soil & Fertilizer Inst, Chengdu 610066, Peoples R China

3.Univ Helsinki, Ecosyst & Environm Res Programme, Helsinki 00014, Finland

关键词： Tuber; Rhizosphere; Host plant growth; Mating type gene; Denitrifying bacteria diversity

期刊名称：FUNGAL BIOLOGY （ 影响因子：3.099； 五年影响因子：3.364 ）

ISSN： 1878-6146

年卷期： 2021 年 125 卷 7 期

页码：

收录情况： SCI

摘要： We inoculated Tuber aestivum and Tuber sinoaestivum on Carya illinoinensis to explore the effects of inoculation on host plant growth, enzyme activities, the physicochemical properties of rhizosphere soil, the denitrifying bacterial community in the rhizosphere, and the distribution of mating type genes in the rhizosphere. We found that the Tuber spp. inoculation increased the height of the host plant and that the stem circumference of the host was greater two months after inoculation. Six months after inoculation, the peroxidase activity of the seedlings inoculated with T. sinoaestivum was higher than that of the control. At four and six months after inoculation, the superoxidase dismutase activities of the seedlings inoculated with T. aestivum were higher than those of the seedlings inoculated with T. sinoaestivum. Six months after inoculation, nitrate nitrogen content was lowest in the control and highest in the T. sinoaestivum treatment. Among the nirS-type denitrifying bacteria community, the relative abundances of Proteobacteria were high. T. aestivum and T. sinoaestivum inoculation did not affect the diversity of denitrifying bacteria. The mating type genes MAT1-1-1 and MAT1-2-1 were detected in the rhizosphere of C. illinoinensis inoculated with T. sinoaestivum and T. aestivum, and MAT1-1-1 dominated over MAT1-21. (c) 2021 British Mycological Society. Published by Elsevier Ltd. All rights reserved.

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