Contribution of organic amendments to soil properties and survival of Stenocarpella on maize stalk

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MetadadosDescriçãoIdioma
Autor(es): dc.creatorFaria, Mírian Rabelo de-
Autor(es): dc.creatorGuimarães, Rafaela Araújo-
Autor(es): dc.creatorPinto, Felipe Augusto Moretti Ferreira-
Autor(es): dc.creatorSiqueira, Carolina da Silva-
Autor(es): dc.creatorSilva, Carlos Alberto-
Autor(es): dc.creatorMedeiros, Flávio Henrique Vasconcelos de-
Autor(es): dc.creatorBettiol, Wagner-
Data de aceite: dc.date.accessioned2026-02-09T12:11:04Z-
Data de disponibilização: dc.date.available2026-02-09T12:11:04Z-
Data de envio: dc.date.issued2020-05-06-
Data de envio: dc.date.issued2020-05-06-
Data de envio: dc.date.issued2019-
Fonte completa do material: dc.identifierhttps://repositorio.ufla.br/handle/1/40630-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/1156126-
Descrição: dc.descriptionThe incorporation of organic matter to the soil not only improves nutrient content, but also reduces the survival of Stenocarpella, the causal agent of stalk rot, Diplodia ear rot, and grey leaf spot, in maize stubble. We evaluated the effect of organic waste incorporation on Stenocarpella survival in maize stalks, the activity of suppressiveness-related enzymes, and nutrient contents. We conducted the assays in the municipalities of Lavras and Sete Lagoas, Minas Gerais State, Brazil. Maize stalks infested with Stenocarpella were kept in field conditions for three months after poultry litter, swine manure, fish hydrolysate, compost sewage sludge, and urea application. Infested stalks, without residue amendment, were kept on surface or incorporated into the soil, representing negative and positive controls. Stenocarpella concentration in stalks was assessed using qPCR expressed as cycle threshold number. Sewage sludge, buried stalks, and stalks retained on the surface showed reduction of pathogen inoculum. Swine manure and urea did not reduce the quantity of DNA. In the experiment conducted in Lavras, poultry litter stimulated β-glucosidase, urease and hydrolysis of fluorescein diacetate activities when compared to the negative control. Sewage sludge, poultry litter, and swine manure increased Ca in the soil by 44 %, 38 % and 36 %, respectively, in the experiment conducted in Lavras. Poultry litter increased Ntotal three months after application. The results indicate that organic wastes are promising in improving nutrient content, activity of hydrolysis-related enzymes, but Stenocarpella inoculum dynamics should be taken into consideration when deciding on the specific organic amendment.-
Formato: dc.formatapplication/pdf-
Idioma: dc.languageen-
Publicador: dc.publisherEscola Superior de Agricultura "Luiz de Queiroz"-
Direitos: dc.rightsAttribution 4.0 International-
Direitos: dc.rightsAttribution 4.0 International-
Direitos: dc.rightsacesso aberto-
Direitos: dc.rightshttp://creativecommons.org/licenses/by/4.0/-
Direitos: dc.rightshttp://creativecommons.org/licenses/by/4.0/-
???dc.source???: dc.sourceScientia Agricola-
Palavras-chave: dc.subjectStenocarpella maydis-
Palavras-chave: dc.subjectStenocarpella macrospora-
Palavras-chave: dc.subjectZea mays-
Palavras-chave: dc.subjectStalk rot-
Palavras-chave: dc.subjectOrganic matter-
Título: dc.titleContribution of organic amendments to soil properties and survival of Stenocarpella on maize stalk-
Tipo de arquivo: dc.typeArtigo-
Aparece nas coleções:Repositório Institucional da Universidade Federal de Lavras (RIUFLA)

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