48 



DISEASES OF ECONOMIC PLANTS 



lows by Mr. George W. Burlingame who had charge of the 

 work : — 



466 gallons of Bordeaux mixture .... $9.68 



H pounds of Paris green ... -45 



Labor of 3 men, preparing and applying the mixture 60 hours 9.00 

 Use of team 20 hours . . 3.00 



Total ... 22.13 



This amount when divided among the 131 trees treated 

 makes the cost of the treatment 16.9 cents per tree. 



The cost of spraying in Missouri ' is reported as follows : 

 Arsenate of lead estimated at 12 cents per pound, blue 

 vitriol at 6j cents, and lime at \ cent. In computing the 

 cost of applying the sprays, iSS.TS per day was taken as 

 a liberal estimate for labor of team and three men and 

 for gasoline and oil required to operate the power outfit. 

 This placed the wages of each man at $1.25 per day. 



Cost of Spraying Ingram Apples in Missouri 



' Taylor, E. P., Mo. State Fruit. Exp. Sta. Bui. 21, p. 40, October, 

 1909. 



