Family Solanaceae 303 



deep pits which later become covered with salmon 

 colored acervuli (fig. 56 g) . The latter are made up 

 of myriads of spores of the fungus. Spraying for 

 fruit rot will also help to control anthracnose. 



STEM ANTHRACNOSE, see POTATO, p. 324. 



SOUTHERN BLIGHT, see PEPPER, p. 305. 



ROOT KNOT, see NEMATODE, p. 49. 



DISEASES OF THE PEPPER (Capsicum annum) 



The pepper plant is considered comparatively 

 hardy, and its few diseases usually become trouble- 

 some only when the crop is grown too long on the 

 same land. 



ANTHRACNOSE 

 Caused by Glomerella piper ata ( E. and E.) S. 



Anthracnose is a serious disease which is usually 

 confined to the fruit only. Its symptoms are char- 

 acterized by round, soft, sunken, pale spots (fig. 57 a). 

 The summer or conidial stage is known as Gleospo- 

 rium piper alum E. and E. and is found as salmon 

 colored pustules abundantly scattered over the spots 

 (fig. 57 b-f). The ascospore stage may develop in 

 pure cultures of the fungus. 



BLACK ANTHRACNOSE 

 Caused by Colletotrichum nigrum E. and H. 



This form of anthracnose differs from the disease 

 described above only in that the spots turn jet black. 



