Commercial fungicides Rango, Tacora, Velficur, and Opus were evaluated in the field, to determine their biological effectiveness control karnal bunt (Tilletia indica) of wheat. A completely randomized design was used with four replications. Twenty heads cultivar Tacupeto F2001 inoculated during boot stage an allantoid sporidial suspension (10,000/mL). rates indicated containers each product fol...