The Canadian Horticulturist. 



85 



Ammoniacal Copper Carbonate £ 

 Suspended Copper Carbonate 

 Bordeaux Mixture 



S 



Fig. 513. 



in nursery rows at Geneva, N. Y., by the use of weak strength Bordeaux mixture ; 

 from photographs taken September 19th, 1892, one showing a representative sec- 



Fig. 514. — Untreated. 



tiou of an untreated row, and the other, the same of a row that has been 

 sprayed early. The first application was on May 21st, the second on June 3rd, 

 and the third on June 24th. Other treatments followed later. 



Fig, 515. — Treated. 



