New YorK AGRICULTURAL EXPERIMENT STATION, 253 
TABLE I.—WINTER SPRAYING IN ORCHARD I, 
Trees. Strength 
Number petro- 
Kind. treated. Age and description. leum. Results. 
Per ct. 
PLUM: 
Reine Claude. 7 Old, weakened by dis- 25 Two slightly injured, 
ease, remainder unin- 
: jured. 
Monarch ..... 4 Full bearing, sound... 25 No injury. 
Quackenboss. 6 Full bearing, sound 25 No injury. 
and unusually vig- 
~ orous, 
Reine Claude. 8 Old, weakened by dis- 40 Four seriously in- 
ease. jured, remainder 
slightly. 
Monarch ..... 5 Full bearing, sound.. 40 All slightly injured. 
Quackenboss. 6 Full bearing, sound 40 All slightly injured. 
and unusually vig- 
orous. 
Reine Claude. 8 Old, weakened by dis- 60 Five dead and three 
ease. seriously injured. 
Full bearing, sound.. 60 All slightly injured. 
Full bearing, sound 60 All slightly injured. 
and unusually vig- 
orous. 
Monarch ....-~ 
Quackenboss . 
Co O> 
Reine Claude. 6 Old, weakened by dis- 100 All dead. 
ease. 
Monarch ....» 7 Full bearing, sound.. 100 Three dead, remain- 
der seriously  in- 
jured. 
Quackenboss. 6 Full bearing, sound 100 All seriously injured. 
and unusually vig- 
orous. 
PEAR: 
Bartlett ...... 3 One year planted, vig- 25 No injury. 
orous. 
Bartlett ...... 3 One year planted, vig- 40 No injury. 
orous. 
Bartlett ...... 1 One year planted, vig- 60 No injury. 
orous. 
Bartlett....... 1 One year planted, vig- 100 No injury. 
orous. 
CHERRY? 
Montmorency. 2 One year planted, vig- 25 No injury. 
orous. 
Montmorency. 2 One year planted, vig- 40 No injury. 
orous. 
Montmorency. 3 One year planted, vig- 60 No injury. 
orous. 
Montmorency. 2 One year planted, vig- 100 No injury. 
orous. 
Weather during tests in Table IJ.—Spring treatment. Trees 
sprayed April 18. Temperature 52°, cloudy. Weather during 
the week following usually cloudy with average temperature 
of 48°, 
