To evaluate the growth of Trichoderma harzianum on different culture media namely, potato dextrose
agar, modified potato dextrose agar, water agar, carrot agar and cornmeal agar. Linear growth was recorded
at 24 hours intervals after inoculation and average growth rates were calculated. Fresh weight and dry weight
were also recorded. The highest linear growth, fresh weight and dry weight were found in potato dextrose agar
and lowest in water agar. The highest values were followed by modified potato dextrose agar which was
statistically similar to carrot agar which was differed and followed by cornmeal agar.
Key word: growth performance, Trichoderma harzianum, different culture media