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Horticulturae
Special Issues
Interaction between Microorganisms and Horticultural Crops
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Interaction between Microorganisms and Horticultural Crops

A special issue of Horticulturae (ISSN 2311-7524). This special issue belongs to the section "Biotic and Abiotic Stress".

Deadline for manuscript submissions: closed (28 February 2023) | Viewed by 3612

Special Issue Editors

Dr. Matteo Chialva

E-Mail Website
Guest Editor
Department of Life Sciences and Systems Biology, University of Torino, Viale P.A. Mattioli 25, I-10125 Torino, Italy
Interests: microbiota; microbial ecology; arbuscular mycorrhizal fungi; crops; genomics; bioinformatics
Dr. Alessandra Salvioli Di Fossalunga

E-Mail Website
Guest Editor
Dipartimento di Scienze della Vita e Biologia dei Sistemi, Università di Torino, V.le Mattioli 25, Torino, Italy
Interests: plant–microbe interaction; arbuscular mycorrhizal fungi; symbiosis; rhizosphere microbiota; plant-growth promoting microorganisms
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Plant-associated microbiota have caught the eye of many scientists, even today, a decade after the first pioneering studies. Recent advances have demonstrated that plant/soil microbiota exert a number of beneficial effects on plant biology, agronomically affecting relevant traits, including plant resilience against biotic and abiotic stresses, the flowering period, plant nutrient uptake and crop yield. Due to this evidence, great efforts are now being directed towards introducing plant genotype traits linked with responsiveness to microbiota to breeding programs as a way to enhance plant tolerance against climate threats.

This Special Issue will present the latest advances in plant microbiota applications for sustainable plant production, including in horticulture, crop sciences, floriculture and plant nurseries. Research papers and reviews focusing on interactions between agronomically relevant plants (annual and perennial) and their whole microbiota (from the phyllosphere to rhizosphere) are welcomed. Research focusing on the soil environment to enhance the current understanding of ecosystem services in agro-ecosystems will also be considered.

We also encourage multidisciplinary research concerning different ‘omics’ techniques as well as those evaluating novel relevant protocols and methods in the field.

We are looking forward to your contributions,

Best regards,

Dr. Matteo Chialva
Dr. Alessandra Salvioli Di Fossalunga
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. Horticulturae 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 2200 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

  • microbiota
  • rhizosphere
  • genomics
  • metagenomics
  • transcriptomics
  • breeding
  • drought
  • plant-associated microbes
  • soil erosion

Published Papers (2 papers)

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Research

20 pages, 3908 KiB  
Article
Microbial Communities on Samples of Commercially Available Fresh-Consumed Leafy Vegetables and Small Berries
by Renata Artimová, Michaela Játiová, Juliána Baumgartnerová, Nikola Lipková, Jana Petrová, Jana Maková, Soňa Javoreková, Lukáš Hleba, Janka Medová and Juraj Medo
Horticulturae 2023, 9(2), 150; https://doi.org/10.3390/horticulturae9020150 - 23 Jan 2023
Cited by 3 | Viewed by 1678
Abstract
Microbial communities on fresh-consumed plant products are an important predictor of quality and safety for the consumer. Totally, 45 samples of berry fruits (8 blackberries, 9 blueberries, 8 strawberries, 8 raspberries, 12 currants) and 40 samples of leafy vegetables (20 lettuce, 6 cornsalad, [...] Read more.
Microbial communities on fresh-consumed plant products are an important predictor of quality and safety for the consumer. Totally, 45 samples of berry fruits (8 blackberries, 9 blueberries, 8 strawberries, 8 raspberries, 12 currants) and 40 samples of leafy vegetables (20 lettuce, 6 cornsalad, 8 rocket, 8 spinach) were analyzed using cultivation and DNA-depended methods. Total aerobic count, coliforms, and yeasts were significantly lower in fruits while counts of filamentous fungi were similar. Pantoea, Enterobacter, and Klebsiella were the most common colonies grown on VRBL agar. Salmonella was detected in single sample of cornsalad using qPCR but no sample contained Escherichia coli harboring stx1, stx2 and intimin genes. Sequencing of V4 region of bacteria 16S rRNA and ITS2 region of fungi amplified from plant tissue-extracted DNA confirmed different composition of fruit and vegetable microbiome. Pre-enrichment of bacteria in phosphate buffered water allowed deeper analysis of Enterobacteriaceae using V4–V5 region of 16S rRNA while differences among communities were described similarly. Pantoea, Klebsiella, or Staphylococcus were more frequent in berries while Pseudomonas, Flavobacterium, or Sphingobacterium in leafy vegetables. Comparison of inner and outer leaves of head-forming lettuces (6 iceberg, 5 romain) showed that outer leaves are colonized by more bacteria with higher diversity. Microbiological safety of fresh production requires more attention as the potentially pathogenic bacteria were detected, particularly in leafy vegetables. However, the true pathogenicity of such bacteria needs further research. Full article
(This article belongs to the Special Issue Interaction between Microorganisms and Horticultural Crops)
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15 pages, 1776 KiB  
Article
Influence of Drought Stress and PGPR Inoculation on Essential Oil Yield and Volatile Organic Compound Emissions in Mentha piperita
by Julieta Chiappero, Lorena del Rosario Cappellari, Tamara Belén Palermo, Walter Giordano and Erika Banchio
Horticulturae 2022, 8(12), 1120; https://doi.org/10.3390/horticulturae8121120 - 29 Nov 2022
Cited by 3 | Viewed by 1362
Abstract
Considering that inoculation with beneficial rhizobacteria promotes biomass and secondary metabolite biosynthesis and also the fact that drought stress can increase their production, we determined the effects when both of these situations were combined in EO yield. In addition, the levels of endogenous [...] Read more.
Considering that inoculation with beneficial rhizobacteria promotes biomass and secondary metabolite biosynthesis and also the fact that drought stress can increase their production, we determined the effects when both of these situations were combined in EO yield. In addition, the levels of endogenous phytohormones and the gene expression of enzymes related to monoterpenes biosynthesis were measured. The experimental results showed that inoculation with PGPR in stressed plants produced the same effects on trichome density, the EO main components and total yield as in plants only inoculated or with moderate stress alone. In addition, the VOC emissions of inoculated stressed plants did not vary the release amount in relation to uninoculated stressed ones. The results observed have suggested a way of improving aromatic plant productivity, particularly that of peppermint, by managing drought stress through the inoculation of plants with PGPR. This inoculation under moderate drought stress is appropriate when the purpose of the crops is to obtain plants with a high secondary metabolites yield. Full article
(This article belongs to the Special Issue Interaction between Microorganisms and Horticultural Crops)
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