Petri dish marking method for marking petri dishes

摘要

An object of the present invention is to make it possible to perform marking of a size that can be easily visually recognized and distinguished while taking measures to avoid contamination of microorganisms from the outside, so-called contamination, when culturing an organism. A marking is provided on a surface of an upper plate, the upper plate is tightly sealed to a lower plate, and the upper plate is displaced upward by an external force so that the lower end of the upper plate is located above the lower plate. Is formed, a non-wrapped enlarged area surface is formed on the side surface of the lower plate with the formation of the wrapped state, and the surface of the enlarged area is marked. [Selection diagram] FIG.