484 FRUIT INSECTS 



An older formula and the one most widely used in the past is 

 given below. This does not give a concentrated wash but the 

 mixture is applied at the original strength without dilution. 



Ho7neniade lime-sulfur. 



Quicklime 20 pounds 



Sulfur (flour or flowers) 15 pounds 



Water . 50 gallons 



The lime and sulfur must be thoroughly boiled. An iron kettle 

 may be used for this purpose, or the mixture may be cooked in 



Fig. 396. 



A plant for cooking lime-siilfur solution. 



barrels by forcing live steam into it through a pipe or rubber 

 hose (Fig. 396). Place the lime in the kettle or barrel and add 



