OF DWARF FRUIT TREE CULTURE. 93 



COPPER SULPHATE SOLUTION. 



(Weak Solution.) 



Copper sulphate, two to four ounces. 

 Water, 50 gallons. 

 For trees in foliage. 



POTASSIUM SULPHIDE. 



Potassium sulphide, three ounces. 



Water, 10 gallons. 



Valuable for gooseberry mildews, etc. 



INSECTICIDES. 



(Stomach Poisons.) 



PARIS GREEN DRY. 



Paris Green, one pound. 

 Flour, 20 to 50 pounds. 



Mix thoroughly and apply evenly, preferably when the dew is 

 on the plants. 



PARIS GREEN WET. 



Paris Green, one pound. 



Quicklime, one to two pounds. 



Water, 200 gallons. 



Slake the lime in part of the water, sprinkling in the Paris Green 

 gradually and then add the rest of the water. For peach and other 

 tender leaved plants use 300 gallons of water. Keep well stirred 

 while spraying. Paris Green is a preparation of Arsenic, and a pow- 

 erful poison ; great care must be taken in handling it. 



ARSENATE OF LIME. 



(Poison.) 



White Arsenic, two pounds. 



Sal Soda, eight pounds. 



Water, two gallons. 



Boil till the arsenic all dissolves about 45 minutes. Make up 

 the water lost in boiling, and place in an earthen dish. For use take 

 one pint of stock, two pounds of freshly slaked lime, and 45 gallons 

 water, and spray. 



