Bull. 3, Div. Veg: Pathology, U. S. Dept. of Agriculture, 1892. PLATE III. 
Fig. 1.—One Winter Treatment. 

Ammoniacal Copper Carbonate. . ——= rT 
Suspended Copper Carbonate. 2 
Bordeasx Mixture. TT ae 
Copper Sulphate. Ra I ee 
Copper Sulphate with Kerosene. (_____ FS 
Check. I ———SSSS= Ky 












Fig. 2.—One Winter and One Spring Treatment. 
Ammoniacal Copper Carbonate. 
Suspended Copper Carbonate. (SS SSS e 
Bordeaux Mixture. [aS TO 
Check. eee ee) 

~] 







Fig. 3.—One Spring and Three Summer Treatments. 
Ammoniacal Copper Carbonate. 11 
Siavndad Gane Onienaie, | SS LE 
Bordeaun Mixture a ———————————————— 
Check. OE 








Fig. 4.—One Winter, One Spring, and Three Summer Treatments. 
Armmoniacal Copper Carbonate, [TS 
Sine ON SS 
Bordeaux Mixture. SSS SSS 
Check SSR 5 








Fig. 5.—One Winter and Three Summer Treatments. 
Kerosene. (= 
Paris Green. Same Se 2) 
Check. i ae 






Fig. 6.—Average of the Hight Trees Treated with Copper Carbonate and 
Bordeaux Mixture. 
Ammonracat Copper Carbonate. 22 
Suspended Copper Carbonate. (eee 23 
Bordeaux Mixture. —— fj 24 






TREATMENT OF APPLE SCAB IN WISCONSIN. 
