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UNITED STATES DEPARTMENT OF AGRICULTURE 



MISCELLANEOUS PUBLICATION No. 168 



Washington, D. C. 



Issued November 1933 

 Revised November 1951 



MARKET DISEASES 



OF FRUITS AND VEGETABLES 



I? 



APPLES, PEARS, QUINCES 



By 



DEAN H. ROSE 



Formerly Senior Physiologis 



L. P. McCOLLOCH 

 Associate Pathologist 



and 



D. F. FISHER 

 Formerly Principal Horticulturist 



Division of Handling, Transportation, and Storage of Horticultural Crops 



Bureau of Plant Industry, Soils, and Agricultural Engineering 



Agricultural Research Administration 



For sale by the Superintendent of Documents, Washington 25. D. C. ...... - Price 55 cents 



