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Plants
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Soil Ecology and Microbe-Plant Interactions in Agricultural Systems
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Soil Ecology and Microbe-Plant Interactions in Agricultural Systems

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant–Soil Interactions".

Deadline for manuscript submissions: closed (30 November 2023) | Viewed by 1781

Special Issue Editors

Prof. Dr. William L. Kingery

E-Mail Website
Guest Editor
Plant and Soil Sciences, Mississippi State University, Mississippi State, MS 39762, USA
Interests: soil management-microbial ecology; soil microbe-plant interactions
Special Issues, Collections and Topics in MDPI journals
Dr. Shankar Ganapathi Shanmugam

E-Mail Website
Guest Editor
Institute for Genomics, Biocomputing & Biotechnology, S Mississippi State University, Mississippi State, MS 39762, USA
Interests: soil microbial ecology; plant–microbe interaction; soil metagenomics; bioinformatics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Research has demonstrated the potential for the soil ecosystem to influence plant–microbe interactions. Soil microorganisms may exert key influences on plant growth and development via mechanism-related differentiation in resource use and plant–microbe feedback dynamics. Resource use is related to microbial processes associated with chemical speciation and availability of substrate and nutrients, and microbial-mediated enzymes that enable plants to acquire these resources. For example, the microbial community structure can regulate N dynamics. Feedback processes are associated with changes in the soil community structure interrelated to responses in plant–microbe interactions. Bacteria conditioned with root exudates have been shown to utilize C substrate more efficiently than those without access to rhizodeposits. In disease-suppressive soils, the suppressive capability is attributed to diverse microbial communities acting against soil-borne pathogens in manifold ways. Similarly, the ability of introduced Rhizobium to form effective nodules is rarely linked to a single soil attribute. Related to these considerations is the influence of crop production and soil management practices. Microbial community structure is Influenced by tillage and residue management, cover crops, and crop rotation, to name a few.

A microbial-ecology-based perspective with respect to concepts such as soil health is needed in order to adequately assess its relevance to for crop performance. In addition to defining and evaluating the most significant aspects of the relationship between soil microbial ecology and plant–microbe interaction, this Topic is open to studies that assess the influence of the management of crop production systems on these relationships and their relevance to improved economic performance.

Prof. Dr. William L. Kingery
Dr. Shankar Ganapathi Shanmugam
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. Plants 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 2700 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

  • soil microbial ecology
  • plant–microbe interactions
  • crop production practices

Published Papers (2 papers)

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Research

18 pages, 11714 KiB  
Article
The Effectiveness of Co-Inoculation by Consortia of Microorganisms Depends on the Type of Plant and the Soil Microbiome
by Ekaterina Alexeevna Sokolova, Olga Viktorovna Mishukova, Inna Viktorovna Hlistun, Irina Nikolaevna Tromenschleger, Artem Yurievich Tikunov, Andrey Dmitrievich Manakhov, Evgeny Ivanovich Rogaev, Oleg Alexandrovich Savenkov, Maria Dmitrievna Buyanova, Ilya Vladimirovich Ivanov, Natalya Valentinovna Smirnova and Elena Nikolaevna Voronina
Plants 2024, 13(1), 116; https://doi.org/10.3390/plants13010116 - 31 Dec 2023
Cited by 1 | Viewed by 802
Abstract
The amalgamation of mineral and targeted bacterial preparations represents a new generation of agricultural technology. Inoculation with combined preparations of microorganisms is more effective than inoculation with a single microorganism in stimulating plant growth by providing a more balanced diet for various crops. [...] Read more.
The amalgamation of mineral and targeted bacterial preparations represents a new generation of agricultural technology. Inoculation with combined preparations of microorganisms is more effective than inoculation with a single microorganism in stimulating plant growth by providing a more balanced diet for various crops. In this work, the effect of inoculation of 20 consortium variants on the yield indicators of three crops (wheat, buckwheat, corn) and the soil microbiome in the open field was investigated. The soil microbiome was defined by 16S rRNA sequences through NGS. The species richness of the soil microbial community (alpha diversity) was similar for all studied samples. A beta-diversity analysis revealed that the microbial diversity of three soil samples (C.bw, F.bw and Soil.bw) differed significantly from all others. At the phylum level, the number of Acidobacteriota and Firmicutes in these samples was increased. For the combination “Consortium C (Rothia endophytic GMG9 and Azotobacter chroococcum GMG39)—buckwheat”, a systemic positive improvement in all growth and yield indicators was observed. The soil of the site where buckwheat grew, inoculated by Consortium C, contained significantly more available phosphorus than all other soil samples. Such results can be explained both by the direct action of a consortium of phosphate-immobilizing and nitrogen-fixing bacteria and acidification of the medium due to an increase in phylum Acidobacteriota bacteria in the soil. Full article
(This article belongs to the Special Issue Soil Ecology and Microbe-Plant Interactions in Agricultural Systems)
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15 pages, 1842 KiB  
Article
Antioxidant Response, Phenolic Compounds and Yield of Solanum tuberosum Tubers Inoculated with Arbuscular Mycorrhizal Fungi and Growing under Water Stress
by Javiera Nahuelcura, Tiare Ortega, Fabiola Peña, Daniela Berríos, Analía Valdebenito, Boris Contreras, Christian Santander, Pablo Cornejo and Antonieta Ruiz
Plants 2023, 12(24), 4171; https://doi.org/10.3390/plants12244171 - 15 Dec 2023
Viewed by 739
Abstract
Solanum tuberosum (potato) is one of the most common crops worldwide; however, it is sensitive to water stress, which necessitates the identification of alternative tools to improve their production. Here, we evaluated the inoculation of two arbuscular mycorrhizal fungi (AMF) strains, Claroideoglomus claroideum [...] Read more.
Solanum tuberosum (potato) is one of the most common crops worldwide; however, it is sensitive to water stress, which necessitates the identification of alternative tools to improve their production. Here, we evaluated the inoculation of two arbuscular mycorrhizal fungi (AMF) strains, Claroideoglomus claroideum (CC), Claroideoglomus lamellosum (HMC26), and the MIX (CC + HMC26) in yield and phenolic and antioxidant response using chromatographic and spectroscopic methods in potato crops, at increasing levels of water stress, namely, with 100% (0), 70% (S1), and 40% (S2) soil humidity. Two caffeoylquinic acid isomers were detected and their levels showed a tendency to increase under stress together with the AMF inoculation, reaching up to 19.2 mg kg−1 of 5-caffeoylquinic acid and 7.4 mg kg−1 of caffeoylquinic acid isomer when CC was inoculated, and potato plants grew at the highest water starvation condition (S2). Regarding antioxidant activities, a differentiated response was detected depending on the AMF strain, highlighting the effect of HMC26 on Trolox equivalent antioxidant capacity (TEAC) method and CC in cupric reducing antioxidant capacity (CUPRAC) method, reaching up to 1.5 μmol g−1 of TEAC in plants inoculated with HMC26 and 0.9 μmol g−1 of CUPRAC in plants inoculated with CC, both in potato tubers of plants growing under the S2 stress condition. Meanwhile, the use of AMF did not influence the number and biomass of the tubers, but significant changes in the biochemical properties of tubers were observed. The results suggest that specific AMF adaptations to water stress must be considered when inoculation procedures are planned to improve the yield and quality of tubers in potato crops. Full article
(This article belongs to the Special Issue Soil Ecology and Microbe-Plant Interactions in Agricultural Systems)
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