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Agriculture
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Mycorrhizal Symbiosis in Agricultural Production
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Mycorrhizal Symbiosis in Agricultural Production

A special issue of Agriculture (ISSN 2077-0472). This special issue belongs to the section "Crop Production".

Deadline for manuscript submissions: closed (10 May 2024) | Viewed by 5101

Special Issue Editors

Dr. Soon-Jae Lee

E-Mail Website
Guest Editor
1. Department of Ecology and Evolution, University of Lausanne, 1015 Lausanne, Switzerland
2. The Swiss National Centre of Competence in Research Microbiomes, Switzerland
Interests: mycorrhizal symbiosis; arbuscular mycorrhizal fungi; genetics; rhizosphere; plant physiology; holobiont; holobiont chronobiology; co-evolution; ecology
Prof. Dr. Li Wang

E-Mail Website
Guest Editor
College of Life and Environmental Science, Wenzhou University, Wenzhou 325035, China
Interests: agroecology; crop physiological and biotechnological breeding; crop cultivation; mycorrhizal symbiosis; genetics, rhizosphere

Special Issue Information

Dear Colleagues,

The green revolution was critical in the fight against global starvation. Together with crop breeding programs, the development of chemical fertilisers and pesticides helped farmers to secure crop yields. Unfortunately, in the following decades, the applied chemicals resulted in serious pollution. There is a new wave of revolution in agriculture aiming to harness various microorganisms interacting with plants to realise sustainable and ecosystem-friendly agriculture. The symbiosis between mycorrhizal fungi and plants is at the centre of the application. As symbionts of almost all crops on Earth, mycorrhizal fungi help plant nutrition uptake from soil and enhance plant resistance against various biotic and abiotic stresses. It has been demonstrated that harnessing mycorrhiza has great potential to increase the quantity and quality of crop yields. Thus, the application of mycorrhiza and interacting microbes for crops is a new frontier in agriculture.

However, our understanding of symbiosis for crop productivity change is still limited, especially at the field level. This further hinders the knowledge on appropriate application, resulting in controversial results regarding the application benefits for crops. Therefore, it is crucial to document our current state of knowledge on harnessing mycorrhizal symbiosis for crops and have critical discussions about various aspects of the mycorrhiza application for agriculture.

This Special Issue aims to collect reviews and original papers covering advances in the understanding of mycorrhiza in crops. From pessimism to optimism, all aspects of mycorrhiza application for crops are welcome. The open and critical evaluation of current mycorrhizal fungi and soil microbe applications will lead to the appropriate utilisation of this symbiosis for next-generation agriculture.

Dr. Soon-Jae Lee
Prof. Dr. Li Wang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Agriculture is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • mycorrhizal symbiosis in crops
  • mycorrhizal inoculum application
  • misuse of inoculum
  • future perspectives of mycorrhizal application
  • mycorrhizal symbiosis on crops’ abiotic stress resistance
  • interaction mechanism between mycorrhiza and crops
  • mycorrhizal community in crop roots

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Published Papers (2 papers)

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Review

20 pages, 5108 KiB  
Review
Physio-Biochemical Mechanisms of Arbuscular Mycorrhizal Fungi Enhancing Plant Resistance to Abiotic Stress
by Dandi Sun, Xiaoqian Shang, Hanwen Cao, Soon-Jae Lee, Li Wang, Yantai Gan and Shoujiang Feng
Agriculture 2024, 14(12), 2361; https://doi.org/10.3390/agriculture14122361 - 22 Dec 2024
Viewed by 1132
Abstract
Agricultural innovations in the past decades have addressed the mounting challenges of food, feed, and biofuel security. However, the overreliance on synthetic fertilizers and pesticides in agriculture has exacerbated biodiversity loss, environmental degradation, and soil health deterioration. Leveraging beneficial soil microorganisms, particularly arbuscular [...] Read more.
Agricultural innovations in the past decades have addressed the mounting challenges of food, feed, and biofuel security. However, the overreliance on synthetic fertilizers and pesticides in agriculture has exacerbated biodiversity loss, environmental degradation, and soil health deterioration. Leveraging beneficial soil microorganisms, particularly arbuscular mycorrhizal (AM) fungi, offers an emerging solution to reduce dependence on synthetic agrochemicals in crop production. Understanding the mechanisms can help maximize AM fungi’s benefits in response to abiotic stresses. In this review, we explore the main mechanisms of AM fungi in promoting soil nutrient mobilization and uptake, increasing water absorption, stimulating antioxidative enzyme activities, altering morphophysiological structure, and performing hormonal crosstalk when mycorrhizal plants face an abiotic stressor. Also, we highlight the necessity of innovating practical ways to cope with variations in AM fungal species, diversity in host species, soil, and environmental conditions, as well as difficulties in mass multiplication for commercialization. Understanding the mechanisms and limitations may help explore the biofertilizer potential of AM fungal symbiosis, benefiting crop production while addressing the environment and soil health issues. Full article
(This article belongs to the Special Issue Mycorrhizal Symbiosis in Agricultural Production)
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13 pages, 1154 KiB  
Review
Exploring the Roles of Arbuscular Mycorrhizal Fungi in Plant–Iron Homeostasis
by Soundarya Rajapitamahuni, Bo Ram Kang and Tae Kwon Lee
Agriculture 2023, 13(10), 1918; https://doi.org/10.3390/agriculture13101918 - 30 Sep 2023
Cited by 3 | Viewed by 2813
Abstract
Arbuscular mycorrhizal fungi (AMF) form a vital symbiotic relationship with plants. Through their extensive hyphal networks, AMF extend the absorptive capacity of plant roots, thereby allowing plants to reach otherwise inaccessible micronutrient sources. Iron, a critical micronutrient involved in photosynthesis and other metabolic [...] Read more.
Arbuscular mycorrhizal fungi (AMF) form a vital symbiotic relationship with plants. Through their extensive hyphal networks, AMF extend the absorptive capacity of plant roots, thereby allowing plants to reach otherwise inaccessible micronutrient sources. Iron, a critical micronutrient involved in photosynthesis and other metabolic processes, often becomes inaccessible owing to its tendency to form insoluble complexes in soil. AMF symbiosis significantly ameliorates this challenge by enhancing iron uptake and homeostasis in plants, altering root architecture, and producing root exudates that improve iron solubility. Moreover, the interaction with diverse soil bacteria, particularly plant growth-promoting rhizobacteria, can potentiate the benefits of AMF symbiosis. Siderophores are low-molecular-weight chelators with iron-binding capacities produced by various microorganisms and plant roots. They play pivotal roles in regulating intracellular iron and have been identified in different mycorrhizal associations, including AMF. While molecular mechanisms behind AMF-mediated iron uptake have been partially explored, the intricate networks involving AMF, plants, siderophores, and other soil microbiota are largely unknown. This review focuses on the multifaceted roles of AMF in plant–iron homeostasis, interactions with soil bacteria, and the potential of siderophores in these processes, emphasizing the possibilities for harnessing these relationships for sustainable agriculture and enhancing plant productivity. Full article
(This article belongs to the Special Issue Mycorrhizal Symbiosis in Agricultural Production)
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