1920 



ENTOMOLOGICAL SOCIETY. 



29 



TABLE V. 

 Dusted Plot: Anhvdbous Borueaux aad Dry Arsenate of Calcium. 



TABLE VI. 

 Sprayed Plot: Bordeaux Mixture 2-10-40 and Soluble Sulphur — 41 Trees. 



Date. 



May 16 . 

 May 28 . 



June 4 . 



Time of 

 Application. 



Leaf buds well 

 open 



Buds showing 

 pink 



Blossoms having 

 fallen 



June 16 .iApples well 

 1 formed 



Weather. 



Material. 



Rain from nights; Lime-Sul. .semi- 

 of 16 to 18 dorm., 1.008 



Fine 



jB. mixture, 



2-10-40. 2 lbs. 

 ! CuSo4 



Rain nights ofl lb. solution sul- 



5 to 7. Cloudy,! phur; Jib. ars. 



on 7 and 8 of lime to 40 



gls.; 5 lbs. H.L. 



Fine 



Same as above, 

 ex. 1 lb. ars. 

 lime 



Quantity. 



90 gls. 

 80 gls. 



90 gls. 

 75 gls. 



Cost of 

 Material 



0.59J 

 0.53 



0.48 

 1.013 



Cost of 

 Labor. 



0.434 

 0.311 



0.271 

 0.27^ 



Time 

 taken. 



35 min. 

 25 min. 



20 min 

 20 min. 



Do not use arsenate of lead with soluble sulphur. Be sure to add the hydrated 

 lime (H.L.) to the soluble sulphur ars. of lime combination. 



~^i^^ . 



