%0 Journal Article %T Elabora£¿£¿o e valida£¿£¿o de escala diagram¨¢tica para quantifica£¿£¿o da mancha de ramularia do algodoeiro %A Aquino %A Leonardo Angelo %A Berger %A Paulo Geraldo %A Rodrigues %A Fabr¨ªcio ¨¢vila %A Zambolim %A La¨¦rcio %A Hernandez %A Juan Felipe Rivera %A Miranda %A Lucas Mattos %J Summa Phytopathologica %D 2008 %I Grupo Paulista de Fitopatologia %R 10.1590/S0100-54052008000400012 %X this study aimed to elaborate and validate a diagrammatic scale to assess areolate mildew on cotton leaves. the proposed scale showed disease levels of 0.05, 0.50, 1.0, 2.0, 4.0, 8.0, 16.0, 32.0 and 67.20%. the scale showed to be adequate to evaluate areolate mildew due to an increase in accuracy, precision, and reproductibility during disease evaluations. %K severity %K accuracy %K precision %K ramularia gossypii. %U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S0100-54052008000400012&lng=en&nrm=iso&tlng=en