On the other hand, with respect to the isolated fungi from the periphery of the spot leaf, the presence of Alternaria in safflower has been reported as a recurring contaminant in the field (Irwin 1976, Mortensen et al. 1983) and our studies
have recently showed the presence of A. tenuissima in safflower seed (Quintana et al., 2011). Also, Cladosporium is
a fungus phylogenetically related to the Ramularia genera (Kirshner 2009), and is described as an opportunistic fungus
of secondary contamination in agricultural crops, and their spores are deposited on injuries caused by other
phytopathogenic fungi (Crous et al. 2007). It is possible that in safflower, C. cladosporioides spores are deposited on the
surface of leaves with false mildew