322 STATE BOARD OF AGRICULTURE. 



TWO HUNDRED FIFTY-EIGHT GALLONS APPLIED. 

 Expenses: 



Labor man and team, 2 hours at 35 cents 80 70 



Labor 2 men to carry trailers in last 3 sprayings, 1 hour 15 cents each 30 



Copper Sulphate, 20} lbs. at 6 cents 1 24 



Stone Lime, 15 J lbs. at § cents 10 



Expense of spraying one-third acre $2 34 



Returns: . , .»-,„.,- 



Yield from sprayed plat, IGO 8-lb. baskets at 12i cents each $20 7.) 



Yield from check plat, 119 8-lb. baskets at 12-i cents 14 S7i 



Gain by spraying $5 S7.V 



Cost of spraying - ^ 34 



Net gain on one-third acre S3 53^ 



Net gain per acre at same rate 10 ''Oi 



There was an additional loss on check of 15.(5 per cent due to the 

 berry-moth, making a total loss of 43.1) per cent. As this loss was al- 

 most entirely prevented on the sprayed plats without additional cost, 

 except for the poison used, the above statement does noi show all the 

 profit due to spraying. 



iVIIXTURE USED. 



Burfjundy Mixture — -Two formulae were used. (1| Composed of IVj 

 lbs. of copper sulphate and 2 lbs. of sodium carbonate to .50 gals, water; 

 (2) composed of 1 lb. copper sulphate and l^v. lbs. sodium carbonate to 

 50 gals, water. 



Sodium Benzoatv Bordeaux Mixtures were i)repared as follows: (1^ 

 2 lbs. copper sulphate, 1 lb. lime, 1 lb. sodium benzoate to 50 gals, water; 

 (2) 1 lb. copper sulphate, 1 lb. lime, i/o lb. sodium benzoate to 50 gals, 

 water. The ingredients were dissolved separately and mixed in a dilute 

 condition. 



Copper Borate Mixture — Mixtures of this fungicide were prei>ared ac- 

 cording to the following formulae: (1) li/o lbs. cojjper sulphate. 2 lbs. 

 borax, 50 gals, water; (2) 114 lbs. copper sulphate, 2 lbs. borax, 50 

 gals, water; (3) 1 ib. copper sulphate, 2 lbs. borax to 50 gals, water. 

 Resin llsh-oil soap Avns also added to most of these mixtures to improve 

 their adhesive (jualities and to determine the benefit to be derived from 

 this source. 



Neutral Copper Acetate Solution — 1 lb. neutral copi)er acetate dis- 

 solved in 50 gals. Avater. 



Self-Boiled Lime S ul pit ur— Ev^ht lbs. of flowers of sulphur mixed 

 with 15 lbs. of stone lime, with the addition of hot water, diluting the 

 whole to 50 gals., also 10 lbs. sulphur to 15 lbs. of lime with the same 

 quantity of water. 



Corniuereial Liuie-Sulphur — One gal. of the concentrated solution 

 added to 50 gals, of water. 



GENERAL RErO:M MEXPATIOXS. 



The following sprayings are suggested for ^lichigan vineyards: 

 First time. When the shoots are about 10 inches long, Bordeau-X 

 4-3-50. 



