The inhibition of conidia germination was tested by spreading 100 L of pathogen conidia suspension (103 conidia mL−1) on Petri dishes containing 20 mL of MEA. Mycelium growth inhibition was evaluated by placing a plug (6 mm diameter) from an actively growing culture in the centre of a MEA plate. In each case, different aliquots of pure AITC (0.08, 0.16, 0.32, and 0.64 L ×
Petridishes) were placed, using a microsyringe, on a 90 mm diam paper filter (Whatman No. 1), positioned inside the cover