STORAGE, RESPIRATION, AND GROWTH. 49 
. In figure 16 the average composition of the three varieties of sum- 
mer apples during growth is shown graphically in the form of com- 
posite curves. In this it is seen that the conclusions already drawn 
from the Early Strawberry apple were true of each of the varieties. 
The curves representing the content of each of the substances deter- 
SSS) (SS SSS2/ 9S] ASS] SSS SS SSS SSeS nS 
| 
SS Bee 
Al 
Refrigerated subsamples - ------- 
Fig. 15.—Chart showing chemical changes in summer apples (Yellow Transparent) during growth 
(total solids basis). 
| mined from time to time in the summer apples are very irregular. 
| This is apparently due to the fact that summer apples usually do not 
ripen with the uniformity of later varieties. An effort was made at 
the beginning to secure apples of uniform ripeness, but in spite of 
| 27981—Bul. 94—05 —4 
