Keeping in the thermostate

Source of the photo: 
BME ABÉT
Author of the description: 
VE

Keeping in the thermostate: The closed Petri dishes are kept in the thermosate at 20 °C, for 5 days, in the dark.

Source of description: 

Feigl, V. Hungarian version of the description of the Sinapis Alba test: https://www.enfo.hu/keptar/3700