340 



The Principles of Fruit-growing 



Dilutions for Dormant and Summer Spraying with Lime- 

 Sulfur Mixtures 



Commercial concentrated lime-sulfur, as manufactured and 

 placed on the market, is a clear amber liquid, and should test 32° 

 to 35° Baum6. It costs about 20 cents a, gallon retail, and comes 

 ready to pour into the spray tank. For apple and pear diseases 

 arsenate of lead can be used with this solution, and increases its 

 fungicidal value. 



Scott's self -boiled lime-sulfur is a mechanical mixture of the two 

 substances, and is really not boiled, the heat being supphed by the 

 slaking hme. In a small barrel or keg place eight pounds of good 

 quicklime. Add water from time to time in just suflBcient amounts 

 to prevent burning. As soon as the hme begins to slake well, add 

 slowly (preferably through a sieve) eight pounds of sulfur flour. Stir 

 constantly, and add water as needed. As soon as all bubbling has 

 ceased, check further action by adding a quantity of cold water, or 



