11(3 



N. H. AGR. EXPERIMENT STATION 



[Bulletin 144 



demonstration of the value of such treatment was obtained the 

 past season. The results were secured in two ^Mcintosh orchards, 

 which have been under observation for several years. Both have 

 been seriously affected with scab each year, and the per cent, 

 of loss has been approximately the same in the two. Both 

 orchards were in sod. About the middle of April a fire escaped 

 from a sugar camp and swept over the entire area of one of these 

 orchards. Not a scab spot could be found in this orchard the 

 following summer, while the disease was quite common in the 

 other orchard. The danger of injuring the trees makes the 

 above treatment questionable. In the case mentioned a strong 

 wind drove the fire across the orchard so rapidly that little 

 injury was done. 



Fig. 7.— Fruit spot of applo. 



THE FRUIT SPOT OF APPLES. 



Cylindrosporium Pomi. Brooks. 



This disease is of very common occurrence in New Hampshire 

 and is found as far south as Maryland and Virginia and as far 



