208 Southern Gardener^ s Practical Manual 



FORMULA II. — BORDEAUX MIXTURE 

 {Fungicide) 



Copper sulphate (Blue Stone) 4 pounds 



Lump lime 5 pounds 



Water 50 gallons 



Prepare in same way as Formula I. 



FORMULA III. — DILUTE BORDEAUX MIXTURE 

 {Fungicide) 



Copper sulphate (Blue Stone) 2 pounds 



Lump lime 4 pounds 



Water 50 gallons 



Prepare in same way as Formula I. 



FORMULA IV.— CORROSIVE SUBLIMATE 

 {For Potato Scab) 



Corrosive sublimate 2 ounces 



Water 15 gallons 



Dissolve the corrosive sublimate in two gallons of 

 hot water, then add balance of water. Allow solution to 

 stand four or five hours, stirring occasionally. Place 

 the seed potatoes in a coarse sack and immerse in solu- 

 tion for one and one -half hours. Corrosive sublimate 

 is very poisonous, and care should be taken in hand- 

 ling it. 



FORMULA v.— FORMALIN 

 [For Potato Scab) 



Water 15 gallons 



Formalin (40 per cent solution) 8 ounces 



Allow seed potatoes to stand in this solution for two 

 hours. Spread out and allow to dry before planting. 



