Feb. 8, 11)08.] A(jriculfnral Gazette of N.S.TF. 167 



Arsenate of Lead Spray for Codling Moth. 



The lunniila recommended liy the Geur.ia State Board of Kiitomology 

 {BvUrliu ]!)), is as follows : — 



Acetate of lead ... ... 11 oz. 



Arsenate of soda ... ... 4^ oz. 



Water 50 ,<;-allons. 



Dissolve in separate vessels, the lead in 1 g dlun water, and the arsenate of 

 soda in 2 <(allons water. Use wooden buckets for preference. Pour the 

 arsenate solution into the lead solution. Add to 50 gallons watei', and stir 

 well. Ready for use. 



Comparative cost — 



S. (1. 



(a) 11 oz. acetate of lead, at 6d. per lb. = -i 

 4 oz. ars-^nate of soda, at 6d. per lb. = H 



5 1 for 50 gallons. 

 To get the same amount of arsenate of lead per 50 gallons, using Swift'.s. 

 arsenate of lead, 3'ou would require — 



{h) 10 oz. arsenate of lead, at Is. :3d. per lb. = 9kl. for 50 gallons. 



The Victorian formula for arsenite of lead is — 



s. (1. 



(c) 1 lb. arsenic, at Is. 3d. per lb. =1-3 

 2 lb. carb. .soda, at 2d. ,, =01 



7 11). acetate of lead, at 6d. per lb. = 36 



5 1 for 360 gallons, 

 or 8 1 for 50 gallons. 



The above formuhe were published in last month's Gazette, but as some 

 mistakes in the nomenclature occurred it is reproduced here correctly. 



