6 



CIRCULAR 773, U. S. DEPARTMENT OF AGRICULTURE 



of 2.9 percent for the entire period. About two-thirds of the decay 

 was blue mold rot. Washing injury and internal break-down were 

 next in importance. The latter was reported during all but the first 

 year; the former was found in amounts greater than a trace only 

 during 1938-40, with greatest occurrence in 1939. Scald was next in 

 importance. Bitter pit, bull's-eye rot, and gray mold rot together 

 caused 0.2 percent of spoilage per carlot inspected. 



Table 1. — Summary of apple inspections, 1935-42 

 ANALYSIS BY YEARS 





Carlots 

 inspected 









Average decay ' per carlot inspected 











Per- 

 cent- 











































Per- 





age of 





















Year, State, or 

 month 



cent- 

 age of 

 New 





carlots 



in- 

 spected 



Total 



Blue 



Wash- 



Inter- 

 nal 

 break- 

 down 





Bitter 

 pit 



Bull's- 



Gray 



Other 

 decay 





York 



Total 



show- 



of 



mold 



ing 



Scald 



eye 



mold 





City 





ing 



decays 



rot 2 



injury 





rot 3 



rot* 





rail 





decay 





















un- 



























loads 



























Per- 



Num- 



Per- 



Per- 



Per- 



Per- 



Per- 



Per- 



Per- 



Per- 



Per- 



Per- 





cent 



ber 



cent 



cent 



cent 



cent 



cent 



cent 



cent 



cent 



cent 



cent 



1935 



1 

 3 

 5 



11 

 20 

 17 

 24 

 28 



21 

 101 

 213 

 430 

 818 

 614 

 601 

 467 



38 

 39 

 77 

 66 

 87 

 79 

 84 

 96 



1.3 



1.9 

 3.8 

 2.6 

 4.0 

 2.1 

 2.1 

 3.1 



0.8 

 1.0 

 2.2 

 1.3 



2.6 

 1.6 

 1.7 

 2.0 





 

 

 .6 

 .7 

 .1 

 Trace 

 Trace 





 .2 

 .4 

 .2 

 .4 

 .2 

 '.2 

 .2 







.2 

 .4 

 .3 

 .1 

 Trace 

 Trace 

 .4 



0.5 

 .5 

 .8 



Trace 

 .1 

 .1 

 .1 



Trace 













 .1 

 .1 

 .1 

 Trace 

 .3 











Trace 



.1 



Trace 



Trace 



.1 



.1 







1936 



Trace 



1937 



Trace 



1938 



Trace 



1939 



Trace 



1940 



Trace 



1941 



Trace 



1942 



.1 







Total 



13 



3,265 



81 



2.9 



1.9 



.3 



.3 



.2 



.1 



.1 



Trace 



Trace 



ANALYSIS BY STATES 



California 



Maryland 



New York 



Oregon 



Washington... 

 Tin known 



13 

 4 



.1 

 8 

 21 



58 

 7 

 6 

 107 

 3,072 

 15 



67 

 29 

 50 

 83 

 81 

 66 



4.7 

 .6 

 .5 

 3.2 

 2.9 

 1.2 



0.5 

 .6 

 .5 

 1.6 

 1.9 

 .8 





 

 



.1 



.3 

 













 .2 

 .3 

 .2 





 

 



.4 



.15 

 



4.0 









 .1 

 .1 

















 .6 

 .1 







0.2 











, 2 

 Trace 



.1 



Trace 









 Trace 

 Trace 

 .1 









Total 





3,265 



81 



2.9 



1.9 



.3 



.3 



.2 



.1 



.1 



Trace 



Trace 









ANALYSIS OF OREGON AND WASHINGTON DATA BY MONTHS 



January... 

 February.. 



March 



April 



May 



June 



July 



August 



September 

 October.... 

 November. 

 December. 



Total.... 



23 



356 



86 



2.8 



1.9 



0.6 



0.2 



Trace 



Trace 







0.1 



23 



345 



88 



2.7 



2.1 



.3 



.2 



0.1 



Trace 







Trace 



22 



405 



97 



3.7 



2.5 



.3 



.6 



.2 



0.1 



Trace 



Trace 



20 



375 



95 



3.5 



2.4 



.1 



.4 



.4 



Trace 



.1 



.1 



20 



371 



98 



4.5 



2.9 







.5 



.5 



.1 



.4 



.1 



25 



309 



96 



3.8 



2.5 



Trace 



.3 



.3 



.1 



. £> 



.1 



26 



81 



99 



3.2 



2.2 







.2 



.5 







.2 



.1 



40 



17 



100 



2.1 



1.5 







.2 







.2 



.2 







16 



71 



20 



.4 



.3 



.1 











Trace 











13 



218 



26 



.6 



.4 



.1 



Trace 







.1 







Trace 



17 



277 



48 



1.0 



. / 



.3 



Trace 







Trace 











20 



354 



72 



2.2 



1.3 



.6 



.2 



Trace 



.1 







Trace 



20 



3,179 



81 



2.9 



1.9 



.3 



.3 



.2 



.1 



.1 



Trace 



Trace 

 Trace 

 Trace 

 Trace 

 Trace 

 Trace 

 Trace 









 Trace 

 Trace 

 Trace 



Trace 



1 Washing injury, internal break-down, scald, and bitter pit included with decay. 



2 Caused by Penicillium expansum. 



3 Caused by several fungi, chiefly Neofabraea perennans and N. malicorticis. 



4 Caused by Botrytis spp. 



