Abstract
Diseases occurring in a market represent to a fair degree the diseases of fruits and vegetables in the field, since, in the majority of cases, the diseases appearing and developing in the markets are but a delayed expression of infection which occurred in the field. Furthermore, since fruits and vegetables in the markets have been shipped in from various sections of the country as well as from foreign lands, the diseases of these plant products represent not only the phytopathological conditions of the local state or country, but also those of any other part of the world whence they came.
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