Corrosive sublimate is very poisonous, consequently care should be 

 taken in handling it, and the treated potatoes should not be eaten by 

 stock. The solution should not be made in metallic vessels. 



6. FORMALIN. 



{For Potato Scab.) 



8 ounces formalin (40 per cent solution). 

 15 gallons water. 

 Used for the same purpose as corrosive sublimate, but not poison- 

 ous. Immerse the seed potatoes for 2 hours and spread out to dry 

 before planting. 



INSECTICIDES. 



7. PARIS GREEN.— DRY. 



I pound Paris green. 

 20 to 50 pounds flour. 

 Mix thoroughly and apply evenly ; preferably when dew is on the 

 plants. 



8. PARIS GREEN.— WET. 



I pound Paris green. 



I to 2 pounds quick lime. 



200 gallons water. 

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

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

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

 while spraying. 



9. ARSENITE OF LIME. 



1 pound white arsenic. 



2 pounds fresh burned lime. 

 I gallon water. 



Boil together for 45 minutes and keep in a tight vessel. Add one 

 quart of this to a barrel (50 gallons) of water for use. 



