9. COPPER ACETATE. 



6 ounces copper acetate (Dibasic acetate). 

 50 gallons water. 



First make a paste of the copper acetate by adding water to it, 

 then dilute to the required strength. Use finely powdered acetate 

 of copper, not the crystalline form. For the same purpose and of the 

 same value as the preceding formula. 



10. COPPER SULPHATE SOLUTION. 



(^Strong Solution). 

 I pound copper sulphate. 

 25 gallons water. 



Applied only on trees without foliage. 



11. COPPER. SULPHATE SOLUTION. 



( Weak Soliitioti). 



2-4 ounces copper sulphate. 

 50 gallons water. 



For trees in foliage. 



12. POTASSIUM SULPHIDE. 



3 ounces potassium sulphide. 

 10 gallons water. 



Valuable for gooseberry mildews, etc. 



13. POTASSIUM PERMANGANATE. 



1 part potassium permanganate. 



2 parts soap. 

 100 parts water. 



Recommended in France for Black-rot and Mildew of the grape, etc. 



14. IRON SULPHATE AND SULPHURIC ACID. 



Water (hot) 100 parts. 



Iron sulphate, as much as will dissolve. 



Sulphuric acid, i part. 



