Delaying harvest for naturally drying maize grain increases the risk of kernel rot and fumonisin contamination.

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dc.contributorRODRIGO VERAS DA COSTA, CNPMS; VALERIA APARECIDA VIEIRA QUEIROZ, CNPMS; LUCIANO VIANA COTA, CNPMS; DAGMA DIONISIA DA SILVA, CNPMS; Fabrício E. Lanza, Universidade Federal de Viçosa; RODRIGO ESTEVAM MUNHOZ DE ALMEIDA, CNPASA; Alan A. Pereira; ROSIANA RODRIGUES ALVES, CNPASA; LEONARDO JOSE MOTTA CAMPOS, CNPSO.
dc.creatorCOSTA, R. V. da
dc.creatorQUEIROZ, V. A. V.
dc.creatorCOTA, L. V.
dc.creatorSILVA, D. D. da
dc.creatorLANZA, F. E.
dc.creatorALMEIDA, R. E. M. de
dc.creatorPEREIRA, A. A.
dc.creatorALVES, R. R.
dc.creatorCAMPOS, L. J. M.
dc.date2018-11-10T00:18:10Z
dc.date2018-11-10T00:18:10Z
dc.date2018-11-09
dc.date2018
dc.date2019-02-04T11:11:11Z
dc.date.accessioned2026-07-07T05:22:47Z
dc.descriptionArtificial drying, although costly, ensures a safe storage and preserves post-harvest grain quality. Alternatively, a more costeffective measure is to delay harvest to promote natural drying, but this management may increase the risk of mycotoxigenic ear rot fungi contamination. The objective was to evaluate the effect of increasing maize harvest delay on fungal disease and fumonisin levels. Three maize hybrids (BRS1035, Attack and DKB390 YG) were sown in the field to study the effect of five harvest delays (15, 30, 45, 60 and 75 days) after the optimum date (18% grain moisture). There was a significant trend of increasing the incidence of kernel rot and total fumonisins in the grains when delaying harvest, but fungal incidence and mycotoxin contamination varied with the hybrid. The main fungi detected in the grain samples were Fusarium verticillioides and Stenocarpella maydis. The hybrid DKB390 YG showed significantly lower incidence of F. verticillioides contamination and lower fumonisin accumulation in the grains than the other hybrids. The hybrid Attack was the least susceptible to kernel rot incidence. Our data shows that delaying harvest for minimizing drying costs may increase the risk of mycotoxin contamination in maize in the tropics of Brazil.
dc.identifierTropical Plant Pathology, v. 43, p. 452-459, 2018.
dc.identifierhttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1099063
dc.identifier10.1007/s40858-018-0234-0
dc.identifier.urihttp://hdl.handle.net/123456789/489215
dc.languageeng
dc.rightsopenAccess
dc.subjectMicotoxina
dc.subjectZea Mays
dc.subjectDoença de Planta
dc.subjectPodridão
dc.subjectFusarium verticillioides
dc.subjectStenocarpella maydis
dc.titleDelaying harvest for naturally drying maize grain increases the risk of kernel rot and fumonisin contamination.
dc.typeArtigo de periódico

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