NURSERY STOCK 



takes place, however, a close examination of the dis- 

 eased spots will reveal numerous little black specks , 

 these contain the spores or reproductive bodies of the 

 fungus, which escape by rupturing the cuticle of the 

















i 







Spraying tor Plum Leat=blight 

 (After Galloway) 



leaf with which they are covered. Under proper con- 

 ditions of moisture and heat the spores germinate, and 

 if this takes place on a pear leaf, the germ tube bores 

 its way into the tissues, soon develops into colorless 

 filaments, like those already described, and these in 



