256 



PRODUCTIVE FARMING 



lime-sulfur solution. Commercial concentrated lime-sulfur 

 is diluted at the rate of one gallon to nine of water. 



The second spraying is made just before the blossom opens 



FIG. 150. A. Too soon to spray for apple worm or codling-moth. 

 apple scab at this stage or before. 



Spray for 



B. Apples in full bloom. Spraying now would poison the honey bees. 



C. Petals just fallen; just the right time to spray for apple worm. Poison 

 will fall in the calyx cup of the blossom and kill the worm as soon as hatched. 



D. Too late to spray for apple worm. The calyx is closed and apples turned 

 down. (Experiment Station, N. J.) 



(Fig. 150, A). It is to control apple scab disease and to kill all 

 leaf -eating insects. This time use one and one-half gallons 

 of strong lime-sulfur solution and three pounds of arsenate 



