48 



DISEASES OF ECONOMIC PLANTS 



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

 work : — 



468 gallons of Bordeaux mixture $9.68 



li 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, $5.75 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 



1st spray . 

 2d spray . 

 3d spray 

 All sprays . 



O 



4.74 



3.67 



3.44 



11.85 



.S-E.2 



$5.70 

 2.63 

 2.64 



10.97 



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

 1909. 



