APPROVED INSECTICIDES 



483 



Place oil emulsion in spray tank, start agitator and add the water. 

 When diluted add the Blackleaf. 



For thrips, Black Peach Aphis, and other plant lice. 



6. Kerosene Emulsion: 



Dissolve Y-2. pound soap in 1 gallon water; add 1 gallon kerosene. 

 Mix thoroughly with spray pump by turning nozzle back into mixture. 



a. For plant lice and other sucking insects during growing season, di- 

 lute with 15 to 25 gallons water. 



b. For scale insects, Woolly Aphis and other sucking insects during 

 dormant season, dilute with 5 to 10 gallons water. 



On a small scale dissolve 1 inch cube soap in 1 pint hot water; add 1 

 pint kerosene. Churn with egg beater. 



For growing plants, dilute to 2 or 3 gallons water. For dormant 

 plants, 1 gallon. 



7. Miscible Oils: 



Commercial preparations of oil so treated as to mix directly with 

 water. Follow directions on container. Uses same as 3, 4, 5, 6, 8, 9, 

 and 10. 



8. Straight Kerosene or Water White Oil: 



Water white oil (42 deg. Baume) or kerosene, 20 gallons, water 200 

 gallons. 



In use for scale insects of citrus trees. Application by power outfit. 



9. Soap Solution: 



Soap, 1 pound; water 5 to 15 gallons. 



Whale-oil or fish-oil soap preferable, but for small amounts any yellow 

 laundry soap will answer. 



For plant lice and other sucking insects during summer. 



10. Homemade Soap: 



Water, 6 gallons; lye (98%), 2 pounds; fish oil, l l / 2 gallons. 



Add lye to water in boiler. When dissolved and water boiling, pour in 

 the fish oil, stirring in mean time, and boil slowly for two hours. This 

 will give about 40 pounds soap. 



For use, dilute with 5 to 15 gallons water for each pound. For same 

 pests as No. 9. 



11. Tobacco or Nicotine: 



a. Blackleaf 40 (40% nicotine), 1 pint; water, 200 gallons. 



b. Tobacco stems, 1 pound; water, 4 gallons. 



Steep stems in 1 gallon warm water and dilute to 4 gallons. 



For plant lice and other sucking insects during growing season. For 

 Woolly Aphis and Peach Aphis underground. A liberal solution, or the 

 dry tobacco dust in early winter, about the base of the tree, the surface 

 soil first being removed. 



12. Tobacco Soap: 



Blackleaf 40, 1 pound (1-10 gal.); liquid soap, 1 gallon or 

 Hard soap, 12 pounds; water, 200 gallons. 

 Uses same as 11. Penetrating and wetting power better. 



13. Lime Sulphur Tobacco: 



Commercial lime sulphur 36 deg., 2.1 gallons; blackleaf 40, 14 fluid 



ounces; water, 200 gallons. 

 For Orange Thrips. 



14. Carbolic Lime: 



Quicklime, 150 pounds; crude carbolic acid, 2 gallons; water 200 



gallons. 

 For a disinfecting whitewash. 



