88 



ally speaking three applications is enough for most red. ap- 

 ples. Pippins require more. It is not infrequent that the 

 growers who have the variety Albemarle, report making six or 

 eight applications in one season; and one man stated that as 

 a rule he sprayed his Albemarle trees twelve to fourteen 

 times in a season. 



Spray solutions for summer are discussed in the next 

 paragraph . 



Experience with Spray Solutions . - In order to get 



their estimate of the value of the different spray materials, 



the growers were asked the following question: "Give your 



experience with spray solutions" . The following table shows 



what sort of spray materials the growers are using: 



Numbers reporting it Per cent 



Lime -sulphur (summer strength) 147 



Self -boiled Lime Sulphur 11 



Bordeaux Mixture 14 



Lime -sulphur followed by Bordeaux 47 



" Sulf ocide" 3 



Atomic Sulphur i 



Prior to the season of 1910, the fruit growers used 

 Bordeaux mixture almost exclusively for summer spraying. 

 As a result of the experiments conducted by Scott in 1909 

 making comparison between Bordeaux and Lime -sulphur as sum- 

 mer sprays a great change in spraying practice has taken 

 place and during the summer of 1910, Lime-sulphur almost 

 replaced Bordeaux except for bitter rot treatment, in which 



