Molecular Mechanisms and Integrated Control of Pathogen Crops

A special issue of Crops (ISSN 2673-7655).

Deadline for manuscript submissions: closed (10 December 2025) | Viewed by 1781

Special Issue Editors


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Guest Editor
Department of Biology and Plant Ecology, Faculty of Biology, University of Bialystok, 15-245 Bialystok, Poland
Interests: biotic and abiotic stress; fungal pathogens; plant defense response; plant senescence
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Guest Editor
Department of Plant Ecophysiology, Faculty of Biology and Environmental Protection, University of Lodz, 90-237 Lodz, Poland
Interests: agrobiotechnology; transgenesis; biotic and abiotic stress; plant disease resistance
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Biotic stress, either alone or with the combination of environmental abiotic conditions, impacts the production of agricultural and horticultural crops worldwide. Pathogens such as viruses, bacteria, and fungi attack farms, causing substantial economic losses and increasing food prices. Many agricultural crops are the basis of the human diet, and horticultural products are essential additions to human diets for their healthy properties and providing meal variety. Crops grown in ecological farms, where chemical crop protection products (e.g., pesticides) are forbidden, are highly valued by customers. Therefore, research on the molecular mechanism of crop diseases and their biological or integrated control is essential for disease management, good-quality food products, environmental protection, and biodiversity.

In this Special Issue, we encourage submissions of original papers and critical reviews on all molecular aspects of crop diseases that threaten plant food production locally and worldwide. Moreover, manuscripts on the biological control of agricultural and horticultural crop pathogens and pests under field and laboratory conditions are welcome.

Dr. Violetta Katarzyna Macioszek
Prof. Dr. Andrzej K. Kononowicz
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 250 words) can be sent to the Editorial Office for assessment.

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. Crops 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 1200 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

  • biological control of diseases
  • climate change
  • disease management
  • pathogens and pests
  • crops
  • molecular plant responses
  • pathogenesis
  • plant diseases

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Published Papers (2 papers)

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Research

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22 pages, 3235 KB  
Article
Endophytic Bacteria from Alstonia scholaris (L.) R. Br Latex as Novel Biocontrol Agents Against Phytopathogens
by Sabiha Ramadani, Douglas J. H. Shyu, Endrika Widyastuti, Christoper Caesar Yudho Sutopo and Jue-Liang Hsu
Crops 2026, 6(1), 13; https://doi.org/10.3390/crops6010013 - 14 Jan 2026
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Abstract
Latex-producing plants harbor unique microbial communities that may play important roles in host defense; however, their diversity and biocontrol potential remain largely unexplored. Characterizing these communities provides opportunities to identify novel microbial-derived antifungal agents for sustainable crop protection. Bacterial strains were isolated from [...] Read more.
Latex-producing plants harbor unique microbial communities that may play important roles in host defense; however, their diversity and biocontrol potential remain largely unexplored. Characterizing these communities provides opportunities to identify novel microbial-derived antifungal agents for sustainable crop protection. Bacterial strains were isolated from the latex of Alstonia scholaris (L.) R. Br. and identified using 16S rRNA gene sequencing. Antifungal activity was evaluated against four phytopathogens: Fusarium graminearum, Colletotrichum musae, Colletotrichum gloeosporioides, and Glomerella cingulata. Bioassay-guided fractionation, size-exclusion chromatography, SDS-PAGE, and LC-MS/MS were used to characterize antifungal proteins. Nine bacterial strains were isolated, including eight Bacillus spp. and one Enterococcus faecalis. Among them, Bacillus sp. AsL-2 exhibited the strongest broad-spectrum antifungal activity, inhibiting fungal growth by up to 80%. The antifungal activity of its crude extract remained stable over a wide temperature range. Further characterization identified a novel endo-β-1,3-1,4-glucanase enzyme (~23 kDa) as the major antifungal protein. This study reveals A. scholaris latex as an underexplored microbial niche and identifies Bacillus sp. AsL-2, affiliated with the B. velezensis–B. amyloliquefaciens species complex, as a promising biocontrol candidate. The identified antifungal enzyme represents a potential natural alternative to synthetic fungicides for sustainable agricultural disease management. Full article
(This article belongs to the Special Issue Molecular Mechanisms and Integrated Control of Pathogen Crops)
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Review

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28 pages, 4354 KB  
Review
Peach Postharvest Fungal Diseases: Sustainable Management and an Integrative Review of Emerging Strategies
by Sahar El Maazouzi, Adil Asfers, Antonio Cano, Josefa Hernández-Ruiz, Ahlem Hamdache, Abdelhadi Ait Houssa, Mohammed Ezziyyani and Marino B. Arnao
Crops 2025, 5(6), 84; https://doi.org/10.3390/crops5060084 - 17 Nov 2025
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Abstract
Postharvest fungal diseases represent a major constraint to the storage, transport, and marketability of peach (Prunus persica) fruits. Pathogens such as Monilinia spp. (Brown rot), Penicillium expansum (Blue rot), Rhizopus stolonifera (Soft rot), Botrytis cinerea (Gray rot), and Geotrichum candidum (Acid [...] Read more.
Postharvest fungal diseases represent a major constraint to the storage, transport, and marketability of peach (Prunus persica) fruits. Pathogens such as Monilinia spp. (Brown rot), Penicillium expansum (Blue rot), Rhizopus stolonifera (Soft rot), Botrytis cinerea (Gray rot), and Geotrichum candidum (Acid rot) cause significant economic losses globally. Traditional control methods primarily rely on chemical fungicides, which are increasingly challenged by issues of resistance development, consumer health concerns, and regulatory restrictions. This review critically synthesizes the biology, infection mechanisms, and optimal environmental conditions of key fungal pathogens affecting postharvest peaches. It further evaluates the current landscape of chemical, physical, and biological control methods, emphasizing novel approaches including essential oils, microbial antagonists, induced resistance, and eco-friendly sanitizers. Comparative efficacy, sustainability, and practical implementation of these strategies are discussed. Integrated management approaches that combine multiple interventions under low-residue or residue-free systems are highlighted as the most promising direction. This review concludes that the future of peach postharvest protection lies in tailor-made, multi-faceted integrated programs that are both effective and environmentally sound. Full article
(This article belongs to the Special Issue Molecular Mechanisms and Integrated Control of Pathogen Crops)
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