246 



The Commercial Apple Industry 



TABLE XIII 



DRY SULFUR PREPARATION vs. LIME-SULFUR SOLUTION 



Insecticide and Fungicide Laboratory, Agricultural Experiment 

 Station, University of California. (Berkeley), Nov. 1918. 



Spreaders for the different insecticides. 



The use of spreaders in securing a more uniform coating 

 of spray is attracting considerable interest among experi- 

 menters and fruit-growers. Three so-called spreaders are 

 more or less well known : 



(1) Glue 1 to 2 ounces to 50 gallons. 



(2) Flour paste 2 pounds flour reduced to paste, to 



50 gallons of water. 



(3) Soap 2 pounds liquid soap to 50 gallons of 



water. Other soaps such as fish-oil, rosin or 

 common laundry soap may be used at the same 

 rate. 



The use of soap with nicotine solutions is generally 

 accepted as highly beneficial. Soap should not be used 

 with lime-sulfur, however, but is compatible with arsenate 



