close-up of mold aspergillus fumigatus on a red tomato. laboratory research of food products.

tomato mold fungal mycelium petri moldy dish biology fungus microbiology colony growing laboratory science pattern red aspergillus fumigatus allergy disease medicine sample microbe microorganism allergen macro spore closeup culture degradation organism unsanitary penicillin unpleasant piece food bad disgusting education medical stale product rotting hazardous toxic poisonous rotten