Registro Completo |
Biblioteca(s): |
Epagri-Sede. |
Data corrente: |
07/10/2021 |
Data da última atualização: |
07/10/2021 |
Tipo da produção científica: |
Artigo em Anais de Congresso / Nota Técnica |
Autoria: |
MONTEIRO, F. P.; OGOSHI, C.; CARDOSO, D. A.; PERAZOLLI, V.; PINTO, F. A. M. F.; MALLMANN, G. |
Título: |
Development and validation of diagrammatic scales to assess septoriose in tomato. |
Ano de publicação: |
2021 |
Fonte/Imprenta: |
Plant Pathology and Quarentine, Guiyang, China, v. 11, n. 1, p. 115-124, 2021. |
Idioma: |
Inglês |
Conteúdo: |
Septoriose or septoria leaf spot (Septoria lycopersici Speg.) is an important disease in
tomatoes (Solanum lycopersicum L.) because of the damage that it can cause. To improve the
evaluation of studies aiming to determine the most efficient treatment is necessary accuracy and
precision during the assessment. Therefore, this study aimed to develop two diagrammatic scales
based on grades and severity to evaluate septoriose severity on tomato leaves. The diagrammatic
scale based on grades was developed and validated with eight grades, with severities ranging from
0.67 to 100%. The diagrammatic scale based on severity values varied from 1.79 to 100%. More
than 80% of the leaves collected from the field showed severity ranging from 0.1 to 20%, but there
was a representative leaf for every interval chosen. Five inexperienced evaluators performed the
validation of the scales, and the data were analysed with Lin?s statistics. Without the scales, most
evaluators overestimated disease severity, whereas the use of the scales resulted in increased
precision, accuracy, and reliability of the estimates. In conclusion, the proposed diagrammatic
scales proved to be useful for assessments of septoriose severity in tomato leaves. The scales may
be of interest to researchers performing studies on epidemiology, fungicides efficacy or breeding
for resistance. |
Palavras-Chave: |
Disease assessment; Disease severity; Phytopathometry; Septoria leaf spot. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 02069naa a2200229 a 4500 001 1131292 005 2021-10-07 008 2021 bl uuuu u00u1 u #d 100 1 $aMONTEIRO, F. P. 245 $aDevelopment and validation of diagrammatic scales to assess septoriose in tomato.$h[electronic resource] 260 $c2021 520 $aSeptoriose or septoria leaf spot (Septoria lycopersici Speg.) is an important disease in tomatoes (Solanum lycopersicum L.) because of the damage that it can cause. To improve the evaluation of studies aiming to determine the most efficient treatment is necessary accuracy and precision during the assessment. Therefore, this study aimed to develop two diagrammatic scales based on grades and severity to evaluate septoriose severity on tomato leaves. The diagrammatic scale based on grades was developed and validated with eight grades, with severities ranging from 0.67 to 100%. The diagrammatic scale based on severity values varied from 1.79 to 100%. More than 80% of the leaves collected from the field showed severity ranging from 0.1 to 20%, but there was a representative leaf for every interval chosen. Five inexperienced evaluators performed the validation of the scales, and the data were analysed with Lin?s statistics. Without the scales, most evaluators overestimated disease severity, whereas the use of the scales resulted in increased precision, accuracy, and reliability of the estimates. In conclusion, the proposed diagrammatic scales proved to be useful for assessments of septoriose severity in tomato leaves. The scales may be of interest to researchers performing studies on epidemiology, fungicides efficacy or breeding for resistance. 653 $aDisease assessment 653 $aDisease severity 653 $aPhytopathometry 653 $aSeptoria leaf spot 700 1 $aOGOSHI, C. 700 1 $aCARDOSO, D. A. 700 1 $aPERAZOLLI, V. 700 1 $aPINTO, F. A. M. F. 700 1 $aMALLMANN, G. 773 $tPlant Pathology and Quarentine, Guiyang, China$gv. 11, n. 1, p. 115-124, 2021.
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