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This study investigated the severity of leaf rust and brown eyespot in genotypes of Coffea arabica L. cultivated with high plant density in the region of Caparao-ES. The experiment was conducted in a competition field, cultivated with high plant density (8333 plants per hectare), following a randomized block design, with 16 genotypes and four replications. The plants were evaluated during consecutive harvests to study two complete reproductive cycles (from 2010 to 2012). Data were obtained for the phenologicalstages of flowering, graining, maturation and vegetative rest of each cycle. The severity of leaf rust (Hemileia vastratrix) and brown eyespot (Cercospora coffeicola) was evaluated using descriptive scales. It was observed that the genotypes are able to keep a considerable level of resistance to the leaf rust and brown eyespot when cultivated with increased density. The genotypes presented variability regarding the severity of the leaf rust and brown eyespot, indicating the existence of differential levels of resistance between them. For cultivation with high plant density, the genotypes Katipo, Paraiso MG H419-1, H419-3-3-7-16-4-1-1, Araponga MG1, Catucai Amarelo 24/137, Catigua MG2, Sacramento MG1, Pau-Brasil MG1, Catigua MG3, Oeiras MG 6851 and Tupi present higher level of resistance for leaf rust. In addition, the genotypes Paraiso MG H419-1, Catigua MG2, Pau-Brasil MG1, Catigua MG3, Oeiras MG 6851, Tupi, Catuai IAC 44, Catuai IAC 81 and Catuai IAC 144 present higher level of resistance for brown eyespot.

Severity of Leaf Rust and Brown Eyespot in Genotypes of &lt;i&gt;Coffea arabica&lt;/i&gt; L. Cultivated with High Plant Density

Severity of Leaf Rust and Brown Eyespot in Genotypes of <i>Coffea arabica</i> L. Cultivated with High Plant Density