AGRICULTURAL EXPERIMENT station. 



I 25 



set apart for that purpose, prevented reaching more definite con- 

 clusions regarding the best time for spraying 



The materials used in the work here mentioned, weie as follows : 



1st. — Modified ca.ii celesta. — 2 lbs. copper sulphate, 1 1-2 lbs. car- 

 bonate of soda, 1 1-2 pts ammonia and thirty-five gallons of water. 



2nd. — Btrdtaux Mixture. — 6 lbs. copper sulphate (Blue Stone). 

 4 lbs. fresh lime dissolved separately, then mixod and diluted to 40 

 gallons. 



3d. — Borde.ax Mixture, and Paris Green. — Same as No 2 with 

 addition of Paris Green in the proportion of 1 lb to 150 gallons. 



4th. — Paris Green — 1 lb. Paris green in 250 gallons water. 



The season was very dry and the trees were much freer from scab 

 than in previous years. That there was marked benefit from the 

 treatment is, however, shown in the accompanying photographs of 

 fruit from contiguous trees and also in the table. 

 \o. i — Not Sprayed. 



Free, 130. 



Badly Scabbed, 17. Sligbtly Scabbed, 392. 



No. -2 — Sprayed 



Free, 474. Badly Scabbed, 3. Sligbtly Scabbed, 114. 



