In the Mediterranean basin area, powdery mildew disease on hazelnut is commonly caused by Phyllactinia guttata. The occurs in late summer-autumn causing limited damage or economic impact. April 2021, an unusual outbreak of was observed lower leaves hazelnuts (cvs, Negret and San Giovanni) leading to rapid leaf desiccation two commercial orchards (Camí de la Serra Mas Coma), both located at La S...

Iran has suitable conditions for cultivating high-quality varieties of hazelnuts (Corylus avellana L.). Most of hazelnut orchards in Iran have been established by planting native genotypes. Aspergillus flavus Link. (AF) is a filamentous fungus affecting hazelnut kernels in orchards and during storage conditions. The most widely explored strategy for reducing aflatoxin contamin...