36 



NEBRASKA STATE HORTICULTURAL SOCIETY. 



Professor Bailey recommends spraying the trees early in August 

 with ammoniacal carbonate of copper.* Professor Alwood also rec- 

 ommends this, and further advises allowing hogs to eat up all affected 

 apples, thus destroying the fungus, f 



FIG. 9. An apple affected with bitter- rot. 



FIG. 10. A, a magnified section through one of the 

 dark points in Fig. 9, showing spore-bearing threads; 

 B, more highly magnified spores; C, spores germi- 

 nating. 



* In Horticulturist's Rule Book, p. 45. 



f In Bulletin No. 17 of the Virginia Agricultural Experiment Station, p. 62. 



