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dc.creatorAndrade, Mario Henrique Murad Leite-
dc.creatorNiederheitmann, Mariana-
dc.creatorRibeiro, Silvia Regina Rodrigues de Paula-
dc.creatorOliveira, Ludmila Cristina-
dc.creatorPozza, Edson Ampélio-
dc.creatorPinto, César Augusto Brasil Pereira-
dc.date.accessioned2020-04-14T18:24:15Z-
dc.date.available2020-04-14T18:24:15Z-
dc.date.issued2019-07-
dc.identifier.citationANDRADE, M. H. M. L. et al. Development and validation of a standard area diagram to assess common scab in potato tubers. European Journal of Plant Pathology, [S. I.], v. 154, n. 3, p. 739-750, July 2019.pt_BR
dc.identifier.urihttps://link.springer.com/article/10.1007/s10658-019-01697-zpt_BR
dc.identifier.urihttp://repositorio.ufla.br/jspui/handle/1/40043-
dc.description.abstractCommon scab (Streptomyces scabies) is a severe disease of the potato (Solanum tuberosum L.), which can seriously reduce the commercial value of tubers. More accurate and precise estimates of incidence and severity are required for its effective control. Standard area diagrams (SADs) were developed to aid the visual assessment of common scab severity in potato tubers. A set of 115 tuber images, with and without symptoms, was used to develop the scale, which contained 12 images of tubers with different symptoms. The SADs were then tested by 12 evaluators with no experience in appraising plant diseases, who assessed a set of 50 images 4 times, first without the aid of the SADs, then twice using the proposed scale, and then again using the scale of James (Canadian Plant Disease, 51(2), 39–65, 1971). The use of SADs increased the accuracy (coefficient of bias (Cb) = 0.99, 0.95 and 0.95 with SADs, without SADs and with the James SADs, respectively) and agreement (Lin’s coefficient (ρc) = 0.97, 0.90 and 0.88 with SADs, without SADs and with James SADs, respectively) of the severity estimates. Severity estimates were also more reproducible with the use of the scale (determination coefficient (R2) = 0.93 using SADs and R2 = 0.84 without the use of SADs). The results obtained with the scale were also repeatable (intra-rater determination coefficient (R2) = 0.94). The proposed SADs have been shown to be useful in evaluating common scab in potatoes, increasing the accuracy, precision and reliability of disease severity estimates.pt_BR
dc.languageenpt_BR
dc.publisherSpringer Naturept_BR
dc.rightsrestrictAccesspt_BR
dc.sourceEuropean Journal of Plant Pathologypt_BR
dc.subjectSolanum tuberosum L.pt_BR
dc.subjectStandard area diagrampt_BR
dc.subjectCommon scabpt_BR
dc.subjectStreptomyces spppt_BR
dc.subjectBatata - Doenças e pragaspt_BR
dc.subjectDiagrama de área padrãopt_BR
dc.subjectSarna comumpt_BR
dc.titleDevelopment and validation of a standard area diagram to assess common scab in potato tuberspt_BR
dc.typeArtigopt_BR
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