rotten tomato with mold aspergillus fumigatus in a petri dish next to tweezers. laboratory research of food products

tomato mold tweezers fungal mycelium petri moldy dish biology fungus microbiology colony growing laboratory science 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 red