In spite of the economic importance of powdery mildew on cucurbits, literature and databases about the fungal species reveal different species numbers and names, often indicating only two species, with inconsistent host specificities for different members of Cucurbitaceae. Revision of the available literature indicates the presence of at least six species of powdery mildews on Cucurbitaceae wit...

Powdery mildew disease, caused by Erysiphe cichoracearum, is considered one of the most severe pathogenic threats sunflower worldwide. This study discusses how to improve effect biocontrol agents, as a more economic and eco-friendlier alternative fungicides, mixing different bioagents (Trichoderma harzianum Bacillus subtilis) with antioxidants (ascorbic acid salicylic acid), either individually...