INSECTICIDES AND FUNGICIDES. 



15 



1 Density of spray, 4.6° Baume, or 1.0327 specific gravity. 

 - Density of spray, 1.0° Bauxnfi, or 1.0072 specific gravity. 



(2) Dry Lrme-sidfur. 

 Drj'' lime-sulfur was first marketed in 1915 by the Sherwin-Williams 

 Company of Cleveland, Ohio. The use of the dry product effects a material 

 saving in cost of containers, transportation, storage and possible leakage. 

 Commercial lime-sulfur solution contains nearly 68 per cent of water, 

 while the dry product usually contains only a small amount of uncombined 

 water. In the production of dry lime-sulfur the polysulfide apparently 

 undergoes partial decomposition, and a portion of the sulfur formerly 



