1S6 Truck Geowiug in the South. 



(B) Dry Application: — 'Mix 1 part (by weight) of 

 Pyrethrum with 4 parts of Flour. Keep closed for 24 

 hours before dusting, that the flour may be permeated by 

 the- essential oil of the pyrethrum. 



7. Tobacco-Pyeetheum Tea. 



Tobacco Stems , -V^ lb. 



Pyrethrum Powder % oz. 



Boiling Water . 1 gal. 



For obdurate cases of Plant Lice on. young apple trees. 

 Dip the affected terminals in the tea. 



II. Fungicides. 

 9. BoEKEAUx Mixture. 



Copper Sulphate (bluestone) 4 lbs. 



Quick Lime 6 lbs. 



Water 50 gala 



Dissolve the bluestone in 2 gallons of hot water; strain 

 through the copper sieve of the sprayer or through a gunny 

 sack into a 50-gallon barrel. Slake the lime slowly in a 

 wooden bucket, and when ebullition is over dilute to a 

 thick whitewash. Strain slowly into the bluestone in the 

 barrel, stirring thoroughly. Fill the barrel with water. 

 Always. stir well before filling the sprayer. The cost of 

 this mixture is less than one cent per gallon. 



In case the mixture is not to be immediately used it is 

 well to make a "stock solution," in separate barrels, of 

 both bluestone and limei — one pound of each to the gallon 

 of water. A gallon of either mixture will thus represent 

 1 pound of bluestone and 1 pound of lime, respectively, 



