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Use of organic composts to suppress bentgrass diseases in Agrostis stolonifera

2020-02Journal article Open access
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dc.contributor.authorCoelho, Luísa
dc.contributor.authorReis, Mário
dc.contributor.authorGuerrero, Carlos
dc.contributor.authorDionísio, Lídia
dc.date.accessioned2021-06-24T11:36:00Z
dc.date.available2021-06-24T11:36:00Z
dc.date.issued2020-02
dc.description.abstractTurfgrasses are affected by fungal diseases and their chemical control is currently limited by the legislation and the impact on the environment of fungicides and the possible development of fungicide resistance. This study was carried out during three years to evaluate the antagonistic effect of the microbiota associated with organic composts. Two composts were produced from agro-industrial residues, P1 and P2. Fungi from both composts were isolated and identified and their antagonistic capacity was evaluated, in vivo and in vitro tests, against Sclerotium rolfsii Sacc, Clarireedia gen. nov. (formerly Sclerotinia homoeocarpa (Benn, 1937)) and Rhizoctonia solani (Kuhn 1858). In vivo tests were run for Agrostis stolonifera L., seeded in P1, P2 and a commercial peat (T) based substrate (Hansa Torf Floragard, Germany), in 100 mL pots. A part of each substrate was submitted to a thermic treatment, obtained Pt, P1t and P2t substrates. Antagonistic properties of the P, P1 and P2 were compared with substrates with thermic treatment. In the in vitro tests Trichoderma atroviride and Trichoderma asperellum showed higher growth than the tested pathogenic agents. T. atroviride showed the best antagonistic capacity, with inhibition percentages of 67.5%, 63.8% and 62.5% against Clarireedia spp., S. rolfsii and R. solani, respectively. In the in vivo tests, the efficacy and biological control index (BCI) were higher in P1 and P2 than in P. BCI ranged from 1.66 (N) to 39.03 (P2) on S. rolfsii control, from 1.38 (Pt) to 14.66 (P1) on Clarireedia spp. control, and from 1.87 (Pt) to 21.45 (P1) for R. solani control. Compost P2 showed the highest suppressive effect on the studied soil diseases in turfgrass, which did not occur when its microbiota was eliminated by thermic treatment.
dc.description.sponsorshipPortuguese Foundation for Science and TechnologyPortuguese Foundation for Science and Technology [SFRH/BD/109218/2015]
dc.description.versioninfo:eu-repo/semantics/publishedVersion
dc.identifier.doi10.1016/j.biocontrol.2019.104154
dc.identifier.issn1049-9644
dc.identifier.urihttp://hdl.handle.net/10400.1/16597
dc.language.isoeng
dc.peerreviewedyes
dc.publisherAcademic Press
dc.relationControlo biológico de doenças do solo em plantas cultivadas, através da utilização de compostos de resíduos orgânicos enriquecidos com antagonistas
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectBentgrass
dc.subjectBest management practices
dc.subjectNitrogen
dc.subjectPlant disease
dc.subjectTurfgrass management
dc.subject.otherBiotechnology & Applied Microbiology; Entomology
dc.titleUse of organic composts to suppress bentgrass diseases in Agrostis stolonifera
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleControlo biológico de doenças do solo em plantas cultivadas, através da utilização de compostos de resíduos orgânicos enriquecidos com antagonistas
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/OE/SFRH%2FBD%2F109218%2F2015/PT
oaire.citation.startPage104154
oaire.citation.titleBiological Control
oaire.citation.volume141
oaire.fundingStreamOE
person.familyNameGuerreiro David Coelho
person.familyNameReis
person.familyNameGuerrero
person.familyNameDionísio
person.givenNameLuísa Isabel
person.givenNameMário
person.givenNameCarlos
person.givenNameLídia
person.identifier.ciencia-id3410-D2D3-AB40
person.identifier.ciencia-idD31F-ACBA-41E7
person.identifier.ciencia-id821B-7ADF-B6DC
person.identifier.orcid0000-0001-5236-4605
person.identifier.orcid0000-0002-3349-3003
person.identifier.orcid0000-0001-9907-8235
person.identifier.orcid0000-0002-0530-9395
person.identifier.ridD-3485-2016
person.identifier.scopus-author-id55769965400
person.identifier.scopus-author-id24767767200
person.identifier.scopus-author-id6506947768
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccess
rcaap.typearticle
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