New York AGRICULTURAL EXPERIMENT STATION. 273 
TABLE VI.— Errect oF CRUDE PETROLEUM ON TREES, 
SPRIES Il. TWENTY-FIVE PER CT. PETROLEUM ; SPECIFIC GRAVITY 0.79. 

Baers. REAT-| Kind of tree 
(a) One, December | Apple 
Peach 
Plum 
(b) Two, Dec., Apr. | Apple 
Peach 
Plum 
ferene, April... 3. Apple 
Peach 
Plum 

Date of 
examination. 
Mar. 7 
Apr. 10 
May 16 
| Mar. 18 
Apr. 10 
May 2 
16 
June 18 
Mar. 7 
18 
Apr. 10 
June 18 
May 2 
16 
2 
| June 18 
May 2 
June 18 
May 16 
Aug. 26 
May 26 
June 18 
June 18 
Aug. 26 
1 
| 
c= 


Condition of trees. 

An occasional close-setting bud 
killed. Branches examined in 
laboratory. 
No injury apparent. (Examined 
in orchard.) 
Red Astrachans, Jonathan and 
Hubbardstons show fine setting 
of flowers and leaves. 
Trace of injury at union of one 
and two year old bark. (Exam- 
ined in laboratory.) 
Injury to bark also to buds and 
branchlets. 
Alt show injury. 
One tree dead. 
One tree with one live branch, 
other tree dead. 
Some dead buds but possibly not 
from treatment. (Examined in 
laboratory.) 
No trace of injury to bark. (Ex- 
amined in laboratory.) 
A few buds killed, no injury to bark. 
One tree two-thirds dead. Weak 
from attacks of scale. 
All show rosettes of leaves and 
young branches from same 
twisted. 
Trees starting late. 
Red Astrachans show about one- 
fifth as much foliage and flowers 
as those of (a). Jonathans in 
same condition. Hubbardstons 
show one-tenth as much foliage 
and flowers as those of (a). 
All show effects of uneven appli- 
cation. 
Trees making a feeble effort to start. 
Trees dead. See Plate XXXITI. 
Bark injured in spots. 
Many spurs without fruit of 
leaves. ‘Trees all show rosettes, 
Trees all show effect of uneven 
application.’ 
The set of fruit is light on all trees 
of this subseries. 
No trace of injury. 
No trace of injury, light crop of fruit. 
Leaves of some trees off color, 
“Off colored”? leaves have dis- 
appeared. 


1In some cases the trees show that all parts were not reached, while apparently in other cases — 
it was impossible to throw the spray onto the inner branches against the wind. 
18 
