Misc. Pub. No. 168, U.S. Dept. of Agriculture 



PLATE 12 



APPLE INJURIES 

 A, Acid injury followed by decay, on Rome Beauty; B, acid injury; C, arsenic injury followed by decay, 

 on Winesap; D, arsenic injury on Yellow Newtown, no decay; E, alkali injury; F, ammonia injiny on 

 Winesap, produced by 12 hours exposure to an atmosphere containing 3H percent ammonia gas. 



