Table III. — Results of Three Years' Apple Spraying Experiments. 



17 



Treatment, i 



Per Cent Scabby Frott — 



1923. 1922 



1921. Average. 



Check .... 



Liquid lime-sulfur . 

 Liquid lime-sulfur plus lime 



Dry lime-sulfur 4-50 . . . 



Dry lime-sulfur 4-50 beginning with prepink 

 Dry lime-sulfur 3-50 . . . . 



Dry lime-sulfur 3-50 beginning with prepink 

 Dry lime-sulfur 2-50 . . . 



Dry lime-sulfur 3-50 plus calcium caseinate spreader 



Atomic Sulphur 



Bordeaux mixture at pink application followed by dry lime-sulfur 

 4-50 . . . 



Bordeaux mixture at pink application followed by liquid lime-sulfur 



Bordeaux mixture for prepink and pink applications followed by 

 liquid lime-sulfur ......... 



Bordeaux mixture through season 



Sulfur dust beginning with prepink application .... 

 Sulfur dust beginning with pink application . . . . 

 Sulfur dust plus calcium caseinate beginning with prepink applica- 

 tion .-.•.• 



Sulfur dust plus calcium caseinate beginning with pink application 



Copper dust for prepink and pink applications followed by sulfur 



dust 



Copper dust for pink application followed by sulfur dust 

 Copper dust through season 



75.4 



6.1 

 10.3 



5.1 

 0.0 

 4.9 

 3.0 

 3.9 

 2.9 



4.0 



9.6 

 4.5 



4.8 

 8.6 



31.4 



2.3 

 30.7 



3.8 

 17.6 

 39.6 



' Applications begin with pink unless stated as beginning with prepink. 

 2 Blanks in table indicate that the treatment was not given in that year. 



