Developing novel techniques for efficient Arbuscular Mycorrhizal Fungi (AMF) Inoculum Production

Ephraim Motaroki Menge *

Department of Microbiology, Kenyatta University, P.O. Box 43844-00100, Nairobi, Kenya.
 
Review
International Journal of Science and Research Archive, 2023, 10(02), 535–545.
Article DOI: 10.30574/ijsra.2023.10.2.1011
Publication history: 
Received on 24 October 2023; revised on 01 December 2023; accepted on 03 December 2023
 
Abstract: 
The demand for AMF propagules has experienced a surge as a result of their capability to amplify growth and nutrient uptake. This demand has triggered the adoption of contemporary propagule cultivation techniques, as conventional AMF propagation methods often involve extensive labor and time requirements, creating difficulties for large-scale production. The adoption of bioreactors, for example, has become one of the most promising approaches for the substantial cultivation of AMF propagules. Bioreactors offer a promising approach for the large-scale production of AMF propagules, which boost nutrient absorption and plant development. They provide superior yield, cost-effectiveness, and scalability in contrast to conventional methods. Synthetic substrates also provide a regulated environment that enhances optimal growth and development. They can be adjusted to satisfy specific nutrient specifications and promote consistent spore production. Synthetic substrates enable researchers to manipulate concentration and timing, thereby increasing spore yields and preserving non-destructive yield. This approach enables the iterative extraction of spores from the same batch. The prioritization of nutrient composition optimization in bioreactors is crucial for supporting AMF propagule growth and reproduction in future research. For instance, understanding AMF's distinct nutrient requirements can lead to media that is nutrient-rich, increased yields of propagules, and improved interactions with plants. Furthermore, developments in synthetic substrate technology can produce substrates that replicate natural soil environments. This study focused on innovative materials and additives can amplify substrate fertility and stability. Likewise, the careful concentration and timing of application when optimizing growth regulators can have a substantial impact on the production of AMF spores. These advancements can contribute to the sustainable production of AMF propagules, thereby offering advantages to agriculture and ecological restoration initiatives.
 
Keywords: 
Arbuscular mycorrhizal fungi; AMF propagules; Bioreactors; AMF substrates; AMF regulators
 
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