Special Issue "Plant Pathogens: Monitoring, Identification and Biological Control"

A special issue of Microorganisms (ISSN 2076-2607). This special issue belongs to the section "Plant Microbe Interactions".

Deadline for manuscript submissions: 30 April 2024 | Viewed by 765

Special Issue Editors

Department of Agriculture and Nutrition, Institute of Agriculture and Tourism, 52440 Poreč, Croatia
Interests: olive protection; biological control; plant pathology
Special Issues, Collections and Topics in MDPI journals
Laboratorio di Patologia Vegetale Molecolare, Dipartimento di Scienze e Tecnologie Agrarie, Alimentari Ambientali e Forestali, Università degli Studi di Firenze, Via della Lastruccia 10, 50019 Sesto Fiorentino, Firenze, Italy
Interests: molecular plant pathology; phytopathogenic bacteria; quarantine phytopathogens; molecular epidemiology; molecular diagnostics; innovative sustainable control; auxin; MATE transporters; Pseudomonas savastanoi; Curtobacterium flaccumfacien
Special Issues, Collections and Topics in MDPI journals
Laboratory for Molecular Microbiology, Division of Molecular Biology, Ruđer Bošković Institute, 10000 Zagreb, Croatia
Interests: microbiology; microbial genetics; plant protection
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The causal agents of plant diseases are very often different phytopathogenic fungi and bacteria. Since there is usually not enough data on the susceptibility of different plant cultivars to microbial pathogenic agents, the identification of cultivars tolerant/resistant to phytopathogenic fungi and bacteria is crucial.

As of now, an adequate and satisfactory curative for different plant diseases of cultivated plants has not been found, and there is a need to find alternative effective compounds for plant protection and control. A possible solution to this phytopathological problem is reflected through research on plants’ bioactive substances, which is not particularly prevalent, although according to the literature there is a great number of plants that could be potential sources of these compounds. These active substances represent a potential solution to contemporary problems in phytomedicine, since the number of registered pesticides is rapidly decreasing.

It is expected that plant bioactive substances have insufficiently known and used antimicrobial efficiency. The application of these substances could also reduce the use of toxic synthetic pesticides and solve the problem of pesticide resistance in the future, but they are also the answer to people’s health, which is being increasingly endangered. Interest in these compounds is expected to grow even more, and in order to evaluate the potential doses and methods of application, further and successive studies are needed.   

This Microorganisms Special Issue, "Plant Pathogens: Monitoring, Identification and Biological Control", will present the latest research on the identification and characterization of different phytopathogenic fungi and bacteria of cultivated and wild plants. Papers on the antimicrobial effects of complex bioactive plant ingredients on different plant pathogens will also be welcome.

Some of the focal points include, but are not limited to, the following:

  1. Microbial pathogenic agents of different plant diseases.
  2. The antimicrobial effects of complex antimicrobial ingredients on phytopathogenic organisms (e. g. essential oils and their components).
  3. The use of plant-based biopesticides and bioactive compounds.
  4. Plant disease management.
  5. Plant-based biopesticides.
  6. Fungi and bacteria as causal agents of plant disease.

Dr. Sara Godena
Prof. Dr. Stefania Tegli
Dr. Damir Dermic
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. Microorganisms is an international peer-reviewed open access monthly 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.

Published Papers (1 paper)

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18 pages, 4089 KiB  
The Antibacterial Effect of Selected Essential Oils and Their Bioactive Constituents on Pseudomonas savastanoi pv. savastanoi: Phytotoxic Properties and Potential for Future Olive Disease Control
Microorganisms 2023, 11(11), 2735; https://doi.org/10.3390/microorganisms11112735 - 09 Nov 2023
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Plant pathogenic bacteria pose a significant threat to olive cultivation, leading to substantial economic losses and reduced yield. The efficacy of antimicrobial agents against these pathogens is of great interest for sustainable disease management strategies. As such, the management of olive knot disease [...] Read more.
Plant pathogenic bacteria pose a significant threat to olive cultivation, leading to substantial economic losses and reduced yield. The efficacy of antimicrobial agents against these pathogens is of great interest for sustainable disease management strategies. As such, the management of olive knot disease is one of the major challenges in olive protection. In the presented study, through a series of in vitro assays, we investigated the antimicrobial effect of six essential oils (EOs) and their most concentrated constituents against causative agent of olive knot disease—Pseudomonas savastanoi pv. savastanoi, highlighting the high potential of Origanum compactum EO and its constituent carvacrol. Carvacrol exhibited the highest potential for practical application, demonstrating membrane disruption as its mechanism of action even at the lowest concentration. The bactericidal effect of antimicrobials was confirmed in a time–kill assay, where concentrations of MIC, 2× MIC, and 4× MIC were evaluated. Some of the applied treatments resulted in inhibition equal or higher than copper-based treatment. Additionally, we assessed the phytotoxicity of carvacrol by foliar application on olive cv. Leccino. The appearance of phytotoxic injuries majorly occurred on the young leaves of olive plants, with the highest proportion of damaged canopy observed when the 2× MIC concentration was applied. Due to its great efficiency against P. savastanoi pv. savastanoi in vitro, these findings highlight the potential of carvacrol as a molecule of interest for the development of environmentally friendly biopesticides. This study also contributes to the advancement of disease management practices in olive cultivation, leading to enhanced crop protection. Full article
(This article belongs to the Special Issue Plant Pathogens: Monitoring, Identification and Biological Control)
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