EXPERIMENT STATION REPORT. 



365 



A. — Healthy Early Craioford Peach* 

 (Nearly ripe, but not mellow. Collected September, 1877.) 



Moisture lost at 100° C 88.120 



Dry matter in pulp, 11.880 



Specific gravity of juice at 22° C, ... . . 1.045 



Grape sugar in juice, 1.670 



Cane sugar in juice, 5.920 



One hundred cubic cent, of juice neutralized 64 cubic cent, 

 standard soda solution. 



B. — Healthy Early Crawford Peach. 



(Nearly ripe, but not mellow. Collected in September, 1877, wrapped in 

 paper, and kept in a drawer for ten days. It turned very ripe and 

 mellow, and had lost 9.50 of its weight.) 



Specific gravity of juice at 18° C, 1.050 



Grape sugar in juice, 2.19 



Cane sugar in juice, 7.02 



One hundred cubic cent, of juice neutralized 85.6 of soda solu- 

 tion. 



C. — Healthy Early Crawford Peach. 



(Picked from the tree when turning mellow, and tested without delay, 



September, 1877.) 



Weight of entire fruit, . . . . . 118.06 grammes. 



Per cent. 



Moisture lost at 100° C, 88.660 



Dry matter in pulp, 11. .360 



Specific gravity of juice at 18° C, . . . . 1.055 



Grape sugar in juice, 1.700 



Cane sugar in juice, 8.940 



Total ash of entire fruit, including carbonic acid, . 0.344 



One hundred cubic cent, of juice neutralized 76 cubic cent, of 

 soda solution. 



Ash Analyses of Crawford''s Early Peach. 



(Entire fruit taken from healthy and diseased trees in the same orchard. 

 To render the differences in composition more prominent, only care- 

 fully determined constituents are reported, excluding soda, silica, etc., 



from the calculation.) 



He.ilthy Fruit. 

 Crawford's Early I'each. 



0.58 per ct. 



2.64 " 



6.29 



16.03 " 

 74.46 " 



Ferric oxide, 

 Calcium oxide (lime). 

 Magnesium oxide, 

 Phosphoric acid, 

 Potassium oxide, 



Diseased Fruit. 

 Crawford's Early Peach. 



0.46 per ct. 



4.68 



5.49 

 18.07 

 71.30 



100.00 



100.00 



* All samples tested taken from the same tree. 



