146 REPORT OF STATE BOARD OF HORTICULTURE, 



three weeks, up to within three weeks of harvesting the apples 

 or pears. The arsenite of lime is preferably used with bor- 

 deaux mixture, and, as the season advances and foliage ma- 

 tures, increase the arsenite solution gradually from one and 

 one-half pints to one quart to the fifty gallons of bordeaux 

 mixture. 



FOR TINGIS, CATERPILLARS AND SLUGS. 



Spray as they hatch and appear on the leaves. 



SPRAY :N^0. 14. 



TOBACCO WASH. 



Used for green aphis and tingis as they appear on the trees. 



HOW PREPARED. 



Ingredients — Tobacco (sheep dip, sulphured tobacco), four 

 pounds. 

 Whale-oil soajD (or good strong soap), four 



pounds. 

 Water, twenty gallons. 

 Directions — Soak the tobacco in hot water for several hours ; 

 dissolve the soap in hot water ; strain both ingredients ; add 

 together and dilute to twenty gallons. On varieties of trees 

 where the foliage is very tender, tests should be made before 

 applying extensively. 



KEROSENE EMULSION. 



Used for woolly aphis and clover mite. 



FOR WOOLLY APHIS. 



Spray with kerosene emulsion diluted (7) seven times. 



FOR CLOVER MITE. 



Spray with kerosene emulsion diluted (8) eight times. 



HOW PREPARED KEROSENE EMULSION (GOVERNMENT FORMULA). 



Ingredients — Kerosene, two gallons. 



Water, one gallon. 



Hard soap, one-half pound. 

 Directions — Make a suds of the soap and water and pour 



