Potato Dextrose Agar

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Fusarium fungus grown from soil on potato dextrose agar

Potato dextrose agar ( PDA from English Potato dextrose agar ) is a common nutrient medium for the cultivation of yeasts and molds .

An exemplary composition is 4 g / l potato starch , 20 g / l glucose and 15 g / l agar . Bacterial growth is suppressed either by acidifying with tartaric acid up to a pH value of 3.5 or by adding antibiotics ( chloramphenicol or chlortetracycline ).

Individual evidence

  1. ↑ a b Sagar Aryal: Potato Dextrose Agar (PDA) - Principle, Uses, Composition, Procedure and Colony Characteristics. In: Online Microbiology Notes. July 7, 2015, accessed October 17, 2016 .
  2. ↑ Potato Extract Glucose Agar