RIPENING, STORAGE, AXD HAXDLIXG OF APPLES 



11 



slight in Winesap and Ben Davis and moderately rapid in Grimes 

 Golden, Jonathan, and Delicious. From the available data it has 

 not been possible to predict, either by a study of the climatic con- 

 ditions, including temperature and moisture, or from the size and 

 quantity of fruit on the tree, whether the softening will be slow or 

 rapid. From the data so far obtained it appears that the factors 

 which control the actual rate of softening of the fruit as it ap- 

 proaches maturity on the tree are largely internal rather than exter- 

 nal. Conditions within the tree, probably the nutrient materials 

 available for the fruit rather than external conditions, would seem 

 to determine the softening rate. 



Table 2. 



-Pressure test at picking time and extent of softening prior to picking 

 time in apples 





Pressure test, 



1923 



Pressure test, 



1924 



Variety and station 



Optimum 



picking 



date 



One 



month 



prior to 



optimum 



picking 



date 



Differ- 

 ence 



Optimum 



picking 



date 



One 



month 



prior to 



optimum 



picking 



date 



Differ- 

 ence 



Delicious: 



Rosslyn, Va 



Amherst, Mass 



Pounds 



17.6 



Pounds 

 17.3 



Pounds 

 -0.3 



Pounds 

 17.3 

 18.7 

 19.4 

 17.1 

 16.3 



16.2 

 17.5 

 17.7 

 15.2 

 18.0 

 16.4 

 15.2 



17.9 

 21.1 

 20.5 

 23.2 

 21.9 

 20.0 



Pounds 

 20.8 

 19.5 

 21.4 

 21.7 

 20.2 



20.2 

 18.8 

 22.7 

 20.1 

 22.8 

 24.8 

 20.3 



22.7 

 22.0 

 24.5 

 27.8 

 27.0 

 25.1 



Pounds 

 3.5 



.8 



East Lansing, Mich 



Wooster, Ohio 



Wenatchee, Wash 



18.3 



18.6 



21.0 



21.7 



2.7 

 3.1 



2.0 

 4.6 

 3.9 



Jonathan: 



Rosslvn, Va __ 



• 







4.0 



Amherst, Mass 



East Lansing, Mich 



Wooster, Ohio 



Council Bluffs, Iowa 



Ithaca, N. Y .... 



15.7 

 15.4 

 16.3 

 17.0 



17.6 

 21.1 

 19.5 

 23.8 



1.9 

 5.7 

 3.2 

 6.8 



1.3 



5.0 

 4.9 

 4.8 

 8.4 



Wenatchee, Wash. 





5.1 



Grimes Golden: 



Rosslyn, Va 



Amherst, Mass 



19.7 

 19.0 



21.4 

 21.5 



1.7 

 2.5 



4.8 

 .9 



Wooster, Ohio.. . 



4.0 





23.3 



30.7 



7.4 



4.6 



Ithaca, N. Y '."'."'..'.I.'.". 



5.1 



Wenatchee, Wash _^_ 









5.1 



Baldwin: 



Rosslvn, Va.. 



18.2 

 19.7 

 19.2 

 20.7 



19.7 

 24.0 



27.7 

 22.8 



1.5 

 4.3 

 8.5 

 2.1 





Amherst, Mass 



East Lansing, Mich . .. 



20.9 



22.4 



1.5 



Wooster, Ohio 



Ithaca, N. Y 



20.0 

 21.2 



18.6 



20.1 

 22.0 

 22.3 

 20.3 

 21.1 

 23.4 

 i 19.5 



IS. 

 20.3 



122.0 

 20.2 



122.0 



26.5 

 24.4 

 22.7 



22.5 

 27.7 

 24.4 

 24.9 

 28.3 

 28.8 

 23.0 



19.4 

 23.1 

 25.8 

 22.9 

 26.9 



6.5 

 3.2 



Wenatchee, Wash 







4.1 



Winesap: 



Rosslvn, Va . 



20.9 

 22.2 

 22.5 

 22.2 



24.0 

 26.2 

 26.1 

 25.3 



3.1 

 4.0 

 3.6 

 3.1 



2.4 



Amherst, Mass _ 



5.7 



East Lansing, Mich 



2.1 



Wooster, Ohio 



4.6 



Ithaca, N. Y 



7.2 



Council Bluffs, Iowa 



23.0 



28.7 



5.7 



5.4 



Wenatchee, Wash 



3.5 



Ben Davis: 



Rosslyn, Va 



Amherst, Mass 



East Lansing, Mich 



Wooster, Ohio 



Ithaca, N. Y 



19.5 



20.0 



120.5 



23.1 



21.9 

 21.5 

 27.0 

 25.3 



2.4 

 1.5 

 6.5 

 2.2 



1.4 

 2.8 

 3.8 

 2.7 

 4.9 











i Estimated from latest data available. 



A study of the firmness of the different varieties at the optimum 

 picking time reveals a somewhat greater uniformity of condition. 

 For example, the pressure test of all the Baldwins for the two years 



