32 



N. H. AGR. EXPERIMENT STATION. 



[Bulletin 157 



4 gallons of water (not heated) over it. Add 20 pounds of 

 sulfur and 3 or 4 gallons more of water. Mix the sulfur and 

 slaking lime thoroly, crushing any lumps of sulfur and adding 

 more water if the mixture becomes too thick to stir. The heat 

 from the slaking lime will boil the mixture violently. A piece 

 of carpet thrown over the top of the barrel helps to keep the 

 heat in and thus to prolong the action. When the boiling ceases 

 the mixture is ready to dilute. The above quantity should be 

 diluted to 100. gallons for use on apple foliage. If hot water is 

 used in ])reparing the mixture a greater dilution is necessary. 



The self-boiled lime-sulfur seems to offer as little opportunity 

 for spray injury as any fungicide. Its value in controlling 

 diseases will depend upon the quality of lime used and the care 

 in making. Lime that is partially air slaked is unfit for use 

 in the preparation of any fungicide, but is especially inefficient 

 in making the self-boiled lime-sulfur. 



SPRAYING FOR APPLE DISEASES. 



The relative importance of the different applications outlined 

 above must be determined by the seriousness of the different 

 diseases. Application No. 3 should never be omitted. Use 

 arsenate of lead as an insecticide with lime-sulfur. 



