1) Air Sample taken from a forest. There are a HUGE diversity of colonies in both plates.
1a) PDA and CMA – dandelion-like colonies
1b) PDA – white fuffly colonies
1c) PDA – a solid opaque colony.
1d) CMA – has a light orange fluffy colony.
1e) CMA- a distinctive perfect dark-green circle with a inner layer with darker green color.
2) The following list upbove shows the differences of the two medias. CMA plate has larger colonies and more variety.
3) CMA plates are good for diversity, however it is to note that some organisms that are not present in CMA , exists in PDA.