Subsequently, filter discs 6 mm in diameter were placed on top of the Petri dishes, each of them permeated with 20 μL of each of the different extract concentrations of the phytopathogenic fungi.
Posteriormente, sobre las cajas Petri se colocaron discos de papel filtro 6 mm de diámetro impregnados con 20 μL de cada uno de las diferentes concentraciones de los extractos de hongos fitopatógenos.