Abstract
Tomato leaf mold caused by Pseudocercospora fuligena is an uncommon disease in Brazil; however, it presents high damage potential to the culture. The objective of this paper was to study the influence of different leaf wetness periods on conidial germination of P. fuligena. Conidia of the pathogen were collected from infected leaflets and inoculated on the abaxial side of healthy leaflets using a brush. Treatments were represented by leaves maintained in a humid chamber for 0, 4, 8, 12, 16, 20 e 24 h periods evaluating the percentage of germinated conidia after 24 h. The experimental observations demonstrate that leaf wetness periods higher than 16 h proportionate the maximum percentage of conidial germination.
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