CHAPTER XXIV 



COTTON — FUNGOUS AND OTHER DISEASES OF 

 COTTON 



380. Cotton wilt or black-root {Neocosmospora vasin- 

 fecta). — This disease shows itself at any time after the 

 cotton plants are about 6 inches high. It is most preva- 



FiG. ISO. — CoTTOx Pl.ints attacked by Wilt. 



lent and destructive while they are loaded ■s^dth blooms 

 and bolls. Some of the diseased plants suddenly wilt, and 

 these may die in a few days (Fig. 180). Wilting is first 

 shown by the young and tender leaves at the top of the 

 plant. Other diseased plants show a dwarfed, imhealthy 



411 



