Plant–Microbiota Interactions Under Abiotic Stress

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Pest and Disease Management".

Deadline for manuscript submissions: 30 September 2025 | Viewed by 774

Special Issue Editors


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Biochemistry and Biotechnology Group, Department of Biology, Biochemistry and Natural Sciences, Universitat Jaume I, 12071 Castellón de la Plana, Spain
Interests: plant microbe interaction; plant protection; induced resistance; apoplastic proteins and peptides; beneficial microorganisms; endophytes; nitrogen fixation
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Escuela Politécnica Superior de Zamora, Departamento Construcción y Agronomía, Universidad de Salamanca, 49002 Zamora, Spain
Interests: polyamines; nitrogen; induced resistance; tomato pseudomonas; climate change; wheat
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Biochemistry and Biotechnology Group, Department of Biology, Biochemistry and Natural Sciences, Universitat Jaume I, 12071 Castellón de la Plana, Spain
Interests: plant microbe interaction; plant protection; induced resistance; beneficial microorganisms; fungal endophytes; nitrogen fixation
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Climate change has caused significant environmental disruptions, including extreme temperatures, droughts, waterlogging, and shifting weather patterns, all of which negatively impact crop production worldwide. These stressors, whether occurring individually or in combination, can disrupt nutrient uptake and hinder overall plant development. To cope with these stresses, plants form associations with diverse and structured microbial communities, collectively known as the plant microbiota. These microbial partners play a crucial role in supporting plant growth under stress by providing water and nutrients and by modulating plant metabolism and physiology. Harnessing the plant microbiota holds great promise for enhancing crop resilience and productivity, especially in the face of increasingly challenging environmental conditions. Therefore, the aim of this Special Issue is to review and discuss new insights into the potential of plant–microbiota interactions to improve crop resilience and productivity in response to growing environmental stresses.

Dr. Loredana Scalschi
Dr. Ana Isabel González-Hernández
Dr. Eugenio Llorens
Guest Editors

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Keywords

  • abiotic stress
  • beneficial microorganisms
  • climate change
  • plant–microbe interaction
  • sustainable agriculture
  • food security

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Published Papers (1 paper)

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Research

11 pages, 1110 KB  
Article
Endophyte Viability in Grass Seeds: Storage Conditions Affecting Survival and Control Methods
by Barbara Wiewióra and Grzegorz Żurek
Agronomy 2025, 15(8), 1977; https://doi.org/10.3390/agronomy15081977 - 15 Aug 2025
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Abstract
Research has evaluated the efficacy of various methods for eliminating endophytes from grass seeds, as well as changes in endophyte viability during seed storage under different conditions, indicating significant variation in different procedures and cultivars. Chemical seed treatment (tebuconazole and thiram) completely eliminated [...] Read more.
Research has evaluated the efficacy of various methods for eliminating endophytes from grass seeds, as well as changes in endophyte viability during seed storage under different conditions, indicating significant variation in different procedures and cultivars. Chemical seed treatment (tebuconazole and thiram) completely eliminated viable fungal mycelia, leaving no trace in any tested cultivar. Non-chemical methods, such as drying and microwave treatment, only partially reduced mycelial viability by 30.3% and 33.1%, respectively, with no statistically significant difference between them. A significant positive correlation was observed between the initial mycelial viability and its reduction. Lolium perenne cv. Vigor showed no impact from non-chemical methods, while Festuca rubra cv. Anielka exhibited the greatest reduction (79% after microwave treatment). Seed storage also impacted endophyte survival. Storage at +7 °C, +23 °C, and −20 °C reduced viability by 27.4%, 31.7%, and 37.3%, respectively. Positive correlations existed between initial viability and post-storage reductions. Similarly to elimination methods, cv. Vigor showed resistance to storage conditions. However, −20 °C storage proved least favorable for endophyte survival, particularly for Festuca pratensis cv. Artema, cv. Anielka, and Festuca ovina cv. Jolka. To maintain the viability of beneficial endophytes during seed storage, we must carefully control storage conditions, especially ambient temperature. Full article
(This article belongs to the Special Issue Plant–Microbiota Interactions Under Abiotic Stress)
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