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Effects of compost application on nematode populations and the yield of a carrot crop

2021Journal article Restricted access
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dc.contributor.authorCoelho, Luísa
dc.contributor.authorReis, Mário
dc.contributor.authorBueno-Pallero, Francisco
dc.contributor.authorGuerrero, Carlos
dc.contributor.authorGonçalves, M. A.
dc.date.accessioned2024-02-03T09:40:30Z
dc.date.available2024-02-03T09:40:30Z
dc.date.issued2021
dc.date.updated2024-02-01T12:44:21Z
dc.description.abstractComposts may be used either in soilless cultivation or applied to soil, increasing its organic matter content and improving the physical, chemical and biological properties. This study evaluated the effects of compost application to the soil cropped with carrot on nematodes diversity, biocontrol of phytopathogenic nematodes and crop yield. A commercial compost (Organical®, TerraFértil, Portugal) was applied to a sandy soil, at the rate of 0, 12.5, 25, 50 and 100 t ha-1 and incorporated to a 15 cm depth. A carrot crop (Daucus carota L.) was sown with a density of 62.5 plants m-2. At the end of the growing period, when the longer roots had reached about 15 cm, plant growth and yield were quantified. Compost increased carrot yield. Following harvest, soil samples were collected near the roots (root zone) and randomly at three soil depths: 0 to 15 cm, at 30 cm and at 50 cm. Nematodes species were identified and quantified in these four zones, and the damages observed were ranked. Compost influenced nematode populations. Near the roots beneficial nematode populations increased with the compost rate application. Phytopathogenic nematodes were present mainly in the treatments with less compost. Furthermore, nematode genera were distributed according to soil depth. Bacteriophage/saprophyte nematodes were found mainly at 50 cm depth, at the surface and in the root zone. Plant parasitic nematodes were located near the surface (0-15 cm) and at 50 cm depth. Predator nematodes prevailed near the surface, in the root zone and at 50 cm depth. The lower populations of nematodes were found at 30 cm depth. This work showed that the dynamics of nematode populations in the soil is affected by soil depth and compost dose, suggesting that compost can reduce the population of phytopathogenic nematodes and increase bacteriophage/saprophyte and predator nematode populations.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.17660/ActaHortic.2021.1305.23pt_PT
dc.identifier.issn0567-7572
dc.identifier.slugcv-prod-3643779
dc.identifier.urihttp://hdl.handle.net/10400.1/20356
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherInternational Society for Horticultural Sciencept_PT
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.subjectBiological controlpt_PT
dc.subjectEntomopathogenicpt_PT
dc.subjectPredatorspt_PT
dc.subjectSoilpt_PT
dc.titleEffects of compost application on nematode populations and the yield of a carrot croppt_PT
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.endPage170pt_PT
oaire.citation.startPage163pt_PT
oaire.citation.titleActa Horticulturapt_PT
oaire.citation.volume1305pt_PT
oaire.fundingStreamOE
person.familyNameGuerreiro David Coelho
person.familyNameReis
person.familyNameBueno-Pallero
person.familyNameGuerrero
person.givenNameLuísa Isabel
person.givenNameMário
person.givenNameFrancisco
person.givenNameCarlos
person.identifier.ciencia-id3410-D2D3-AB40
person.identifier.ciencia-idD31F-ACBA-41E7
person.identifier.ciencia-id6716-548E-192D
person.identifier.ciencia-id821B-7ADF-B6DC
person.identifier.orcid0000-0001-5236-4605
person.identifier.orcid0000-0002-3349-3003
person.identifier.orcid0000-0001-5755-1178
person.identifier.orcid0000-0001-9907-8235
person.identifier.ridD-3485-2016
person.identifier.scopus-author-id55769965400
person.identifier.scopus-author-id24767767200
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.cv.cienciaidD31F-ACBA-41E7 | Mário Manuel Ferreira dos Reis
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationd36e9efd-294f-4788-b229-c48ed3eec583
relation.isAuthorOfPublicatione3fffbf1-41db-404f-8bd5-936ab4e8f59c
relation.isAuthorOfPublication0f8ebf77-35ae-49cc-bc1b-e4ed34463d0a
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