Nutrient Agar (NA) is nutrient medium used for the cultivation of microbes supporting growth of a wide range of non-fastidious organisms. It can grow a variety of types of bacteria and fungi, and contains many nutrients needed for the bacterial growth.
Potato Dextrose Agar (PDA) is used for the cultivation of fungi and yeasts that can be supplemented with acid or antibiotics to inhibit bacterial growth. It is recommended for plate count methods for foods, dairy products and testing cosmetics. PDA can be used for growing clinically significant yeast and molds.