33 



four gallons hot water and boil till a little will mix with cold water and 

 give a clear, amber-colored liquid. Add water to make up five gallons. 

 Keep this as stock solution. For resin-Bordeaux, add ten gallons water 

 to two gallons of stock solution, then mix this with 40 gallons Bordeaux. 

 This mixture is very adhesive to smooth leaves ; has been used 

 successfully against asparagus rust. 



III. Ammoniacal-Copper Carbonate Solution. 



Copper carbonate 5 ounces. 



Strong ammonia, sufficient to dissolve the 



copper carbonate, usually about 3 pints. 



Water 4° gallons. 



Mix the copper carbonate into a paste with a little water, add the 

 ammonia, and when the copper carbonate is completely dissolved pour 

 the deep blue solution into the water. 



Recommended for late sprayings against fungi to prevent disfigura- 

 tion of fruit or leaves. 



IV. Potassium Sulphide (Liver of Sulphur.) 



(Used to control Mildews.) 



Dissolve four ounces in eight gallons of water. 



V. Flowers of Sulphur. 



(Used in California against Asparagus rust.) 



VI. Formalin (40 per cent. Formaldehyde.) 



Put one-half pint into 15 gallons of water. 



Used for prevention of bean anthracnose, potato scab. 



VII. Cook's Carbolic Soap Wash. 



Hard soap, one pound, or soft soap 1 quart. 



Crude carbolic acid 1 pint. 



Water (boiling) 1 gallon. 



Dissolve the soap in the boiling water ; while still hot add the car- 

 bolic acid ; emulsify thoroughly. This is the stock solution. For use, 

 dilute with 30 to 50 times its bulk of water. Very effective against 

 root-maggots of cabbage, radish and onion. 



VIII. Paris Green Mixture. (Liquid.) (For Leaf-eating Insects.) 



Paris green 1 pound. 



Water 1 50 gallons. 



Lime, freshly slacked 2 pounds. 



Or, 



Paris Green Mixture. (Dry.) 



Paris green 1 pound. 



Flour or dust ...100 pounds. 



3 BULL. 150 



