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Biotization of highbush blueberry with ericoid mycorrhizal and endophytic fungi improves plant growth and vitality

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Abstract

Ecological methods are becoming increasingly popular. One of these methods is plant biotization. In our paper, we focus on selection of Vaccinium corymbosum hairy root-inhabiting fungi for plant growth promotion in a single microorganism inoculation setup and then composed a multiorganismal inoculum enriched with a representative of another group of fungi, leaf endophytes. The hairy roots of V. corymbosum hosted 13 fungal taxa. In single inoculation of the plant with fungal strains, the most beneficial for plant growth were Oidiodendron maius and Phialocephala fortinii. Additional inoculation of the plants with three root symbiotic fungi (O. maius, Hymenoscyphus sp. and P. fortinii) and with the endophytic fungus Xylaria sp. increased plant height in laboratory experiments. On a semi-industrial scale, inoculation improved plant biomass and vitality. Therefore, the amendment of root-associated fungal communities with a mixture of ericoid mycorrhizal and endophytic fungi may represent an alternative to conventional fertilization and pesticide application in large-scale blueberry production.

Key points

O. maius and P. fortinii significantly stimulated V. corymbosum growth in a single inoculation.

Multimicroorganismal inoculum increased plant biomass and vitality.

Blueberry biotization with ericoid and endophytic fungi is recommended.

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Data availability

Data generated during this study (nucleotide sequences) have been deposited in the GenBank database with the primary accession numbers OM729672–OM729684.

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Acknowledgements

The authors would like to acknowledge Teresa Anielska, Martyna Janicka and Weronika Janas (Jagiellonian University, Poland) for technical support and Niwa Hodowla Roślin Jagodowych (PL company) for cooperation in the project.

Funding

This work was supported by The National Science Centre and The National Centre for Research and Development, Poland, project TANGO (contract No. TANGO1/269101/NCBR/2015).

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Contributions

RW, KT and PR conceived and designed the research. RW, RJJ and AD performed the research. RW analysed the data and wrote the original draft. RJJ, AD, PR and KT edited the manuscript. KT acquired funding. All authors read and approved the manuscript.

Corresponding author

Correspondence to Rafał Ważny.

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This article does not contain any studies with human participants or animals performed by any of the authors.

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The authors declare no competing interests.

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Ważny, R., Jędrzejczyk, R.J., Rozpądek, P. et al. Biotization of highbush blueberry with ericoid mycorrhizal and endophytic fungi improves plant growth and vitality. Appl Microbiol Biotechnol 106, 4775–4786 (2022). https://doi.org/10.1007/s00253-022-12019-5

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  • DOI: https://doi.org/10.1007/s00253-022-12019-5

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