THE CUTINIZATION OF APPLE SKINS IN RELATION TO 
THEIR KEEPING QUALITIES AND THEIR 
ENVIRONMENT. 
(ABSTRACT) 
WINIFRED PERRY. 
The apples were obtained from Iowa, New York, Arkansas 
and Washington, so as to present different growing conditions. 
The following varieties were prepared by the paraffine method, 
sectioned and drawn with the camera lucida : Jonathan from 
Iowa, Washington and New York; Gano from Iowa; Grimes 
from Arkansas, Washington and Iowa; Winesap from Iowa 
and Washington; Ben Davis from Arkansas and New York; 
Salome from Iowa and Washington; ITubbardston from New 
York; Black Twig and Willow Twig from Iowa; Fallawater, 
Twenty Ounce, Wealthy, Baldwin, Greening, Fameuse, and 
Maiden Blush from New York; Collins Red from Arkansas; and 
the Delicious from Iowa. 
For convenience the work was divided into four divisions, as 
follows : 
1. The correlation of the amount of cutinization with the 
keeping quality. — There is a relation between the thickness of 
the cutinized area and the records of the keeping qualities of 
the different varieties of apples studied. 
2. The correlation of the cutinization with the moisture in 
the different states during the growing period, or April to 
October inclusive. — ‘'Perhaps the most important factor to 
which life is subjected is the moisture relation,” says Prof. 
W. J. Young in his article on Variation in the Apple. And 
there is undoubtedly a relationship between the amount of 
cutinization and the moisture during the growing period. 
3. The correlation of the cutinization and the mean temper- 
ature of the different states during the growing period. — A high 
temperature is not always followed by a thickly cutinized por- 
tion, so the statement that there is a correlation between the 
cutinization and the temperature cannot be made at this time. 
4. The correlation of the cutinization with the percentage 
of clear, partly cloudy and cloudy days in the different states 
