Growth measurement
Measurement of growth was based on a colony plate count. At selected time
intervals the contents of each plate were transferred into stomacher bags, 100 ml
of sterile 0.1% peptone was then added and the mixture stomached for 2 min.
Appropriate dilutions of the spore suspension formed were then prepared using
0.1% peptone solution as diluent. Fifty /~1 of the appropriate dilution was then
inoculated onto Potato Dextrose Agar (PDA) (BDH) and plates were incubated at