Spray Formulas. 69 



SPRAY FORMULAS. 



REQUISITES FOR SUCCESSFUL SPRAYING. 



Materials of standard streng-th, carefully compounded, applied 

 in thorough manner at regular intervals. Fruit thinned so that the 

 spray liquid can reach every portion of that remaining on the tree. 



INSECI ICIEES. 



Used for codlin moth larvre, caterpillars, slugs, and all biting 

 and chewing insects. 



SPRAY NO. 1 — ARSENITE OF SODA. 



1 pound of white arsenic. 



2 pounds of sal soda.* 

 1 gallon of water. 



Directions — Boil 15 minutes ; add amount of water equal to that 

 evaporated, giving one gallon of arsenite of soda. For 50 gallons 

 of water use one and one-half pints of the arsenite of soda and six 

 pounds of freshly slacked lime. Can be used safely. 



SPRAY" NO. 2— PARIS GREEN, 



1 pound paris green. 

 1/2 pound quick lime. 

 200 gallons water. 



Slack 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. 



SPRAY'^ NO. 3 — ABSENITE OF LIME. 



1 pound white arsenic. 



2 pounds fresh burned lime. 

 1 gallon water. 



*Iii Western Oregon, and moist sections, use three instead of two pounds of sal soda. 



