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Measuring Stems of Pea Plants
Location : Los Angeles, CA
Description : The California Institute of Technology is operating a project
with WPA labor, devoted to the purpose of finding practical uses for
hormones and vitamins needed in plant growth similar to their value to humans.
The spectacular results of Vitamin B-1 on root cuttings were discovered by
this project.
Former WPA worker, George C. Warner, employed on this project, subsequently opened his own business, which has proved to be very successful, and now has in his employ several people engaged in manufacturing Vitamin B-1 for use by plant trade.
Photo shows WPA worker measuring stems of pea plants grown under laboratory
conditions for study of plant growth vitamins. Cabinet in background holds nutrient mediums containing various vitamins for culture of
isolated plant groups and other plant parts. Listed Under:
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