Alternaria spp. can reduce photosynthetic leaf area and subsequent tuber production in infected potato plants (Simmons 2000).
The genera Aspergillus spp., Paecilomyces spp.,
Alternaria spp., Penicillium spp.
Control 24 70 CDAP 39 26 Frequency of isolation (%) Total isolates Treatment
Alternaria spp. Unknown Control 2.0 7.0 103 CDAP 0 12 77 Table 3: Pathogenicity and characteristics of fungi isolated from decayed onions.
Cladosporium spp.,
Alternaria spp., Fusarium spp., and Scopulariopsis brevicaulis were other most commonly isolated non-dermatophyte molds recorded in our study.
and
Alternaria spp. spores in Western, Northern and Central-Eastern Poland in 2004-2006 and relation to some meteorological factors.
The results portrayed that
Alternaria spp. had the effectiveness to encourage leaf spot on plants.
The most prevalent fungal pathogens were
Alternaria spp. (45%), Fusarium spp.
Os generos
Alternaria spp., Botryodiplodia spp., Curvularia spp., Fusarium spp., Pestalotia spp., Phoma spp., Phomopsis spp.
Alternaria spp. has a short life cycle, favoring its rapid development and progress of the disease, thus making blight a difficult disease to control (STRANDBERG, 1992).