Special Issue "Plant Protection and Biostimulation by Natural Compounds and Beneficial Microorganisms"

A special issue of Agriculture (ISSN 2077-0472). This special issue belongs to the section "Crop Protection, Diseases, Pest and Weeds".

Deadline for manuscript submissions: 20 May 2022.

Special Issue Editors

Dr. Eugenio Llorens
E-Mail Website
Guest Editor
Laboratory of Biochemistry and Biotechnology, Area of Vegetal Physiology, Department of Agricultural Sciences, Universitat Jaume I, 12071 Castellon, Spain
Interests: plant microbiology; plant–microbe interaction; plant protection; induced resistance; plant physiology
Special Issues, Collections and Topics in MDPI journals
Dr. Begonya Vicedo
E-Mail Website
Guest Editor
Laboratory of Biochemistry and Biotechnology, Area of Plant physiology, Department of agricultural sciences Universitat Jaume I, 12071 Castellon, Spain
Interests: plant microbiology; plant–microbe interaction; plant protection; induced resistance; microbiology
Special Issues, Collections and Topics in MDPI journals
Dr. Loredana Scalschi
E-Mail Website
Guest Editor
Laboratory of Biochemistry and Biotechnology, Area of Plant Physiology, Department of Agricultural Sciences Universitat Jaume I, 12071 Castellon, Spain
Interests: plant microbiology; plant microbe interaction; plant protection; induced resistance; microbiology
Dr. Carlos Agustí-Brisach
E-Mail Website
Guest Editor
Agroforestal Pathology Research Group, Department of Agronomy, ETSIAM, University of Cordoba, 14071 Cordoba, Spain
Interests: etiology; ecology; epidemiology; integrated pest management; mediterranean fruit crops; plant–pathogen–environment interactions; fungal trunk and vascular diseases
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Current studies about global food and agriculture show that world production may need to be increased by 60%–110% before 2050 to avoid food shortage. Along with the demand for increased production, there is also a requirement to protect the environment, mainly by reducing the number of pesticides, and making better use of agricultural inputs and resources: land, water, fertilizers, and energy. Classic improvement remains the most widely used method for the production of improved and stress-resistant crop plants. However, it has become clear that this approach by itself will not be sufficient to provide long-term solutions due to its many limitations. The use of natural alternatives, such as biostimulants and beneficial microorganisms, has become one of the most promising strategies to improve food production, reducing the amount of chemical inputs.

This Special Issue is intended to bring together a collection of research papers on the applied use natural bio stimulants and beneficial microorganisms in growth promotion and plant protection including creative strategies to grow more food with fewer resources and less problems associated with the use of chemicals fertilizers.

Dr. Eugenio Llorens
Dr. Begonya Vicedo
Dr. Loredana Scalschi
Dr. Carlos Agustí-Brisach
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 papers will be 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. Agriculture 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 1600 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

  • beneficial microorganisms
  • plant protection
  • biotic and abiotic stress
  • growth promotion
  • crop improvement

Published Papers (2 papers)

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Research

Article
Antifungal Activities of Ageratum conyzoides L. Extract against Rice Pathogens Pyricularia oryzae Cavara and Rhizoctonia solani Kühn
Agriculture 2021, 11(11), 1169; https://0-doi-org.brum.beds.ac.uk/10.3390/agriculture11111169 - 19 Nov 2021
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Abstract
Blast disease and sheath blight disease caused by infection with Pyricularia oryzae and Rhizoctonia solani, respectively, are serious fungal diseases in paddy fields. Although synthetic fungicides have been used to control these diseases, the development of ecologically friendly alternatives is required because [...] Read more.
Blast disease and sheath blight disease caused by infection with Pyricularia oryzae and Rhizoctonia solani, respectively, are serious fungal diseases in paddy fields. Although synthetic fungicides have been used to control these diseases, the development of ecologically friendly alternatives is required because fungicides can cause health problems and environmental pollution. Natural herbs possessing antifungal activities are among the candidates as alternatives. Ageratum conyzoides is known to contain antifungal compounds, such as precocene II and polymethoxyflavones. Here, we report the antifungal activities of five compounds isolated after ethanol extraction from Ageratum conyzoides against Pyricularia oryzae and Rhizoctonia solani in vitro. Further, we demonstrated the protective effect of the extract on rice from Pyricularia oryzae infection by field trial testing in a shaded net-house. Full article
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Article
Bacillus velezensis T149-19 and Bacillus safensis T052-76 as Potential Biocontrol Agents against Foot Rot Disease in Sweet Potato
Agriculture 2021, 11(11), 1046; https://0-doi-org.brum.beds.ac.uk/10.3390/agriculture11111046 - 25 Oct 2021
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Abstract
Sweet potato (Ipomoea batatas) tuberous roots are used for human consumption, animal feed, and many industrial products. However, the crop is susceptible to various pests and diseases, including foot rot disease caused by the phytopathogenic fungus Plenodomus destruens. Biological control [...] Read more.
Sweet potato (Ipomoea batatas) tuberous roots are used for human consumption, animal feed, and many industrial products. However, the crop is susceptible to various pests and diseases, including foot rot disease caused by the phytopathogenic fungus Plenodomus destruens. Biological control of plant pathogens by Bacillus species is widely disseminated in agrosystems, but specific biological control agents against the foot rot disease-causing fungus are not yet available. Our previous studies showed that two Bacillus strains isolated from sweet potato roots—B. safensis T052-76 and B. velezensis T149-19—were able to inhibit P. destruens in vitro, but data from in vivo experiments using simultaneously the fungus and the bacteria were missing. In this study, both strains were shown to protect the plant from the disease and to mitigate the symptoms of foot rot disease in pot experiments. Total fungal community quantification using real-time PCR showed a significant decrease in the number of copies of the ITS gene when the bacteria were inoculated, compared to the control (with the fungus only). To determine the genes encoding antimicrobial substances likely to inhibit the fungus, their genomes were sequenced and annotated. Genes coding for mycosubtilin, bacillaene, macrolactin, bacillibactin, bacilysin, plantazolicin, plipastatin, dificidine, fengycin and surfactin were found in B. velezensis T149-19, while those coding for bacylisin, lichenysin, bacillibactin, fengycin and surfactin were found in B. safensis T052-76. Altogether, the data presented here contribute to advancing the knowledge for the use of these Bacillus strains as biocontrol products in sweet potato. Full article
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