Testing the efficiency of inhibition of Colletotrichum sp. and Botrytis cinerea
Drilling colonies onto plate containing PDA.
Containing chitosan beads 
Using para film wrapped around the plate and incubated at 30 ◦C. Made 2 replicates per treatment.
Calculate the area growth of Colletotrichum sp. and Botrytis cinerea compared with the control which doesn’t contain chitosan beads.