Observation
The mold on this bread took about two weeks to grow. The bread was placed in plastic bag and kept in a dark and slightly warn place. After several days mold appeared on the bread. Within ten days the bread was full of mold.
Questions
What physical and chemical conditions are needed for mold to grow? How can mold growth be hindered? To what extent does moisture in the substrate determine mold growth?
Scientific Research
Block, S S. Humidity Requirements for Mold Growth, Applied and Environmental Microbiology, (Jun., 1953), pp. 287-292.
Galloway noted in his study that mold needs certain physical and chemical conditions to grow. Mold can grow if there is a suitable temperature, fair amount of moisture, sufficient oxygen, proper ph and essential nutrients. On the contrary, mold growth can be hindered if you remove the conditions that cause growth. Controlling moisture through the amount of humidity is often the best way to hinder mold growth in certain situations.
Also, Galloway determined moisture in the substrata was less effective than atmospheric moisture for the development of mold spores.
Further Information
Mold Control
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Wikipedia
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