372 STATE HORTICULTURAL SOCIETY. 



Bed Cherries No. 1. Sprayed June 18 and 30 with No. 1 mixture, one 

 gallon to a tree. Picked July 6. 



Arsenic found .0882 grains 



Copper salt „. .390 " 



Red Cherries No. 2. Sprayed June 18 and 30 with No. 2 mixture, one 

 gallon to a tree. Picked July 6. 



Arsenic found .025 grains 



Copper salt __.. .252 



White Cherries. Sprayed June 30 with No. 1 mixture, one gallon to a 

 tree. Picked July 1. 



Arsenic found .121 grains 



Copper salt not estimated. 

 Red Currants. Sprayed with London purple solution May 25, June 7, 

 18, and 30, one gallon to one rod of the row the first and second times and 

 three fourths of a gallon the third and fourth times. Picked July 8. 



Arsenic found .0503 grains 



Raspberries. Sprayed with No. 2 mixture June 6 and 28 and July 8. 

 Picked July 20. 



Arsenic found .0098 grains 



Copper salt .028 



Gooseberries No. 1. Sprayed with No. 1 mixture June 18 and 29, 

 July 8 and 22, one half gallon to a row two rods long. Picked August 2. 

 The fruit was first washed with 10 per cent. Hydrochloric acid to dis- 

 solve off the visible remains of spraying and the acid washings and washed 

 fruit separately analyzed. 



Arsenic in acid washings .0186 grains 



Copper salt .463 " 



Washed fruit: 



Arsenic found .0047 



Copper salt .138 



Total residue found on and within the fruit: 



Arsenic .0233 



Copper salt .601 



Gooseberries No. 2. Sprayed June 18 and 29, July 8 and 22 with mixt- 

 ure No. I, ^ gallon to two rods of row. Picked August 2. 

 Fruit washed with acid the same as the preceding specimen. 



Arsenic found in acid washings .0207 grains 



Coppersalt .212 



Washed fruit: 



Arsenic found .0165 grains 



Coppersalt .150 " 



Total residue found on and within the fruit: 



Arsenic .0372 grains 



Coppersalt .362 *' 



Pears. Sprayed June 15, July 7 and 21, and August 7 with mixture 

 No. I. Picked September 6. 



Arsenic found .0088 grains 



Coppersalt .0738 " 







