Perspectives of Using Compost and Microorganisms to Control Pathogens on Vegetable Crops

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

Deadline for manuscript submissions: closed (31 December 2021) | Viewed by 4432

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Guest Editor
CREA Research Centre for Vegetable and Ornamental Crops, Council for Agricultural Research and Economics, Via Cavalleggeri, 25, 84098 Pontecagnano Faiano, Italy
Interests: plant pathology; digital support systems for disease management; agroecology; biological control
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Guest Editor
Council of Agricultural Research and Economics, Research Centre for Vegetables and Ornamental Crops, via Cavalleggeri, 25, 84098 Pontecagnano Faiano, Salerno, Italy
Interests: plant pathology; biological control; fungal biology; crop protection; molecular mycology; Trichoderma spp.

Special Issue Information

Dear Colleagues,

The management of diseases caused by pathogens in vegetable cropping systems continuously needs to be improved in terms of its sustainability, effectiveness, and innovativeness.

Biological control sources, including suppressive composts, antagonistic microbial agents, and their combinations, are still being explored to achieve higher levels of efficacy in the non-synthetic disease management of vegetable cropping systems resulting in significant reduction in the use of fungicides.

Within this scope, they could take advantage of the development of new and innovative tools, formulates, and applicative protocols aimed at increasing efficacy in the control of pathogens, reducing the amounts of synthetic fungicides, and/or at enhancing effective integration with other alternative non-synthetic pathogen control means, such as biological, physical, and agronomic methods.

In this view, resource use efficiency in sustainable plant protection practices are particularly required and can be pursued by integrating new knowledge and control means, including the utilization of the newly available digital technologies in supporting operational choices. Digital technologies, indeed, are proposed for a wide range of precision agriculture applications with the main aim of maximizing the efficiency of productive factors, thereby also providing remarkable opportunities for counteracting plant pathogens.

This Special Issue will focus on “Perspectives on the Use of Compost and Microorganisms to Control Pathogens of Vegetable Crops”. Novel research articles and reviews are sought covering any topics related to the sustainable control of pathogens on vegetable crops by using compost and microorganisms also with digital support, including (but not limited to) compost suppressiveness, biological control, innovative formulations, soil suppressiveness, quality and microbiology, plant–microbe–pathogen interaction, and suppressiveness-related biodiversity. The integration of suppressive composts and antagonistic microorganisms with digital technologies to enhance disease management of vegetables are also welcome.

Dr. Catello Pane
Dr. Gelsomina Manganiello
Guest Editors

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Keywords

  • sustainability
  • plant pathology
  • plant diseases
  • biological control
  • compost suppressiveness
  • microbial antagonist
  • soil-borne microbiome
  • integrated disease management
  • digital support system
  • precision biological control

Published Papers (1 paper)

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Research

26 pages, 7547 KiB  
Article
Biostimulants Managed Fungal Phytopathogens and Enhanced Activity of Beneficial Microorganisms in Rhizosphere of Scorzonera (Scorzonera hispanica L.)
by Elżbieta Patkowska
Agriculture 2021, 11(4), 347; https://doi.org/10.3390/agriculture11040347 - 13 Apr 2021
Cited by 9 | Viewed by 3396
Abstract
The principles of good agricultural and horticultural practice, considering both environmental protection and high yielding of plants, require modern cultivation methods. In modern agriculture, it is possible to use biostimulants that protect the soil against degradation and plants against phytopathogens and stress. The [...] Read more.
The principles of good agricultural and horticultural practice, considering both environmental protection and high yielding of plants, require modern cultivation methods. In modern agriculture, it is possible to use biostimulants that protect the soil against degradation and plants against phytopathogens and stress. The purpose of 3-year field and laboratory studies was to determine the effect of Trichoderma harzianum T-22 and other biostimulants on the health status of scorzonera (Scorzonera hispanica L.) plants and microorganism populations in the rhizosphere of this plant. For this purpose, Biosept Active (a.s.—grapefruit extract), Timorex Gold 24 EC (based on tea tree oil), Trianum P (spores of Trichoderma harzianum Rifai T-22) and Zaprawa Nasienna T 75 DS/WS fungicide (a.s.—tiuram) were applied for the pre-sowing seed dressing of scorzonera cv. “Duplex”. The number of seedlings and the health status of scorzonera plants were determined during three growing seasons. In each year of the study, mycological analysis of seedling roots and roots after scorzonera harvest was conducted to establish the quantitative and qualitative composition of fungi colonizing these parts. Moreover, microbiological analyses of scorzonera rhzisphere soil were conducted and served as the basis to determine the total population of fungi and bacteria (including Pseudomonas sp. and Bacillus sp.). Antagonistic activity of rhizosphere bacteria Pseudomonas sp., Bacillus sp. and fungi was determined based on laboratory tests on selected scorzonera soil-borne fungal pathogens (Alternaria scorzonerae, Fusarium culmorum, Fusarium oxysporum, and Rhizoctonia solani). The experiments showed that Trianum P most effectively protected the roots of scorzonera against infection by Alternaria alternata, A. scorzonerae, Neocosmospora solani, Fusarium spp., Sclerotinia sclerotiorum, Rhizoctonia solani, and Botrytis cinerea. The rhizosphere population of Bacillus sp. and Pseudomonas sp. in the treatments with Trianum P or Zaprawa Nasienna T 75 DS/WS was larger than in the other experimental treatments. A reverse relationship was observed in the population of rhizosphere fungi. The application of grapefruit extract, tea tree oil and Trichoderma harzianum T-22 increased antagonistic activity of Pseudomonas sp., Bacillus sp. and selected saprotrophic fungi against soil-borne fungal pathogens, especially Alternaria sp., Rhizoctonia sp., and Fusarium sp. In summary, Biosept Active, Timorex Gold 24 EC and Trianum P can be recommended as plant biostimulants in Scorzonera hispanica cultivation. Full article
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