287 
April, ’24] davis: sprays for san jose scale 
Table I. Summary of Results in San Jose Scale Dormant Spray Experiments, 
Indiana, 1921-23 
Time 
Percent 
Con- 
Treatment 
of applica- 
dead 
trol 
tion 
Washington, Indiana, 1921 
Miscible oil (Scaleeide) 1 to 15. .,. 
. Spring 
94.2 
80 
Liquid lime- sulphur (several brands) 1 XoI% . 
4 i 
<88.4 
60 
" “ “ “ “ 1 to 16 2/3. 
i i 
66.4 
-0 
Dry “ “ \2y lbs. to 50 gals, (label strength) 
i i 
79.1 
28 
“ “ “ 18K “ “ “ “ IK x “ “ ) 
i i 
83.8 
44 
25 “ “ “ “ (2 x “ “ ) 
l i 
84.4 
46 
B. T. S. 13 “ “ “ “ (label strength) 
t i 
75.2 
14.4 
19K “ “ . “ “ OK X “ “ ) 
( i 
800 
31 
26 “ “ “ “ (2 x “ “ ) 
i i 
91.6 
71 
Check—no treatment 
71.0 
0 
Staunton, Indiana , iQ 2 i 
Miscible oil (Scaleeide) 1 to 15. 
Spring 
97.2 
Liquid lime-sulphur (several brands) 1 to iy 2 . 
4 i 
89.2 
93 
Dry lime- sulphur (several brands) Y2y lbs. to 50 gals. 
4 4 
77.2 
72 
(label strength) 
42 
“ “ “ “ “ 18jj lbs. to 50 gals. 
4 4 
88.8 
(1.K x label strength) 
4 4 
71 
B. T. S. 13 lbs. to 50 gals, (label strength). 
4 4 
79.2 
19 K lbs. to 50 gals. (IK x label strength). 
4 4 
89.6 
46.6 
Check-—no treatment. 
4 4 
60.8 
73.4 
Washington, Indiana, 1921-22 
Miscible oil (Scaleeide) 1 to 15. 
Fall 
100 
100 
14 “ “ 1 to 15. 
Spring 
100 
100 
Liquid lime- sulphur (several brands) 1 to 8. 
Fall 
85.8 
53 
“ “ “ “ “ 1 to 8. 
Fall & 
97.6 
92 
Spring 
“ “ “ “ “ 1 to 8. 
Spring 
94.4 
81 
Dry “ “ “ “ \y 2 x label strength Fall 
93.4 
78 
IK x label strength 
Spring 
87.9 
59.6 
Check—no treatment. 
70.0 
0 
Bicknell, Indiana, 1921-22 
Miscible oil (Scaleeide) 1 to 15. 
Fall 
98.4 
96 
“ “ “ 1 to 15. 
Spring 
97.6 
94 
Liquid lime-sulphur (several brands) 1 to 7K. 
Fall 
78.4 
44 
“ “ “ “ “ lto7B. 
Fall & Sp. 
90.0 
74 
“ ' “ “ “ “ 1 to7K. 
Spring 
91.2 
77 
E>ry “ “ “ 13K lbs. to 50 gals. 
Fall 
71.2 
25 
(label strength) 
“ “ “ “ “ 13K lbs. to 50 gals. 
Spring 
85.0 
61 
(Label strength) 
“ “ “ “ “ 27 lbs. to 50 gals. 
Spring 
92.8 
81 
(2 x label strength) 
