Establishing a quality management framework for commercial inoculants containing arbuscular mycorrhizal fungi

Matthias J. Salomon, Stephanie J. Watts-Williams, Michael J. McLaughlin, Heike Bücking, Brajesh K. Singh, Imke Hutter, Carolin Schneider, Francis M. Martin, Miroslav Vosatka, Liangdong Guo, Tatsuhiro Ezawa, Masanori Saito, Stéphane Declerck, Yong-Guan Zhu, Timothy Bowles, Lynette K. Abbott, F. Andrew Smith, Timothy R. Cavagnaro, Marcel G.A. van der Heijden

Research output: Contribution to journalReview articlepeer-review

20 Citations (Scopus)
21 Downloads (Pure)


Microbial inoculants containing arbuscular mycorrhizal (AM) fungi are potential tools in increasing the sustainability of our food production systems. Given the demand for sustainable agriculture, the production of such inoculants has potential economic value and has resulted in a variety of commercial inoculants currently being advertised. However, their use is limited by inconsistent product efficacy and lack of consumer confidence. Here, we propose a framework that can be used to assess the quality and reliability of AM inoculants. First, we set out a range of basic quality criteria which are required to achieve reliable inoculants. This is followed by a standardized bioassay which can be used to test inoculum viability and efficacy under controlled conditions. Implementation of these measurements would contribute to the adoption of AM inoculants by producers with the potential to increase sustainability in food production systems.

Original languageEnglish
Article number104636
Number of pages11
Issue number7
Publication statusPublished - 15 Jul 2022
Externally publishedYes


  • Biological sciences
  • Biotechnology
  • Environmental health
  • Environmental science
  • Interaction of plants with organisms
  • Plant biology
  • Plant nutrition


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