322 REPORT OF THE DEPARTMENT OF ENTOMOLOGY OF THE 
TABLE III.—Continued. 


Trees. 
—— ee ee 
Kind. No. Age. 
Yrs: 
European, 1 14 
European, 2.8 
CURRANT? 2h) 
1 Two check trees for each test. 
8 Bushes in full bearing. 
— Percent- 
age oul. 
Results. 
100 May31. Fruit buds 
well set towara cips 
cf upper limbs. 
Very little foliage 
éxcept on upper 
third. Nearly dead 
by following fall. 
100 Lut little injury to 
upper half. Lower 
half seriously — in- 
jured; no _ foliage 
und all fruit buds 
killed. Nearly dead 
by following fall. 
100 Within a few days 
showed injury and 
died during follow- 
_ ing spring. 
Checks.1 
Growth = good. 
Fruit sabove 
average yield. 
Series IJ.—The trees of this series, as those of Series I, were 
selected as being in good condition. 
November 22 and March 27. 
The applications were made 
TABLE IV.—BEARING TREES SPRAYED WITH KEROSENE DURING WINTER: 
Trees. 
reu—_—_—_ — “~ 
Kind. No. Age. 



Yrs. 
CRAB APPLE: 
Hyslop, 1 () 
PEAR: 
Kieffer, 2 10 
Dwarf Kieffer, 110 
PLUM: 
Bradshaw, 1 10 
Bradshaw, ; : a 
1 Full bearing. 
SERIES II, 
—~—, Percent- 
age oil. 
20 
20 
100 
20 
100 
40 
Results. 
No injury. Fruit 
average crop. 
No injury. Fruit 
average crop. 
! 
About 80 per ct. of 
fruit buds killed. 
Tloliage good. 
No injury. Fruit 
average crop. 
More than 80 per ct. 
ef fruit buds killed. 
Very little foliage. 
‘ree nearly dead by 
following fall, 
Checks. 
T'wo trees same 
age and vari- 
ety. Fruit 
usual crop. 
Two trees same 
age and vari- 
ety. Fruit 
usual crop. 
yr 
