SECTION XLII. DISEASES OF COTTON 



Cotton wilt. Cotton wilt, often called black rot, causes 

 the plant to drop its leaves or wilt and then dry up. Most 



Photafnph by U. 8- IVpt. of Afrteullar* 



Fio. 1 60. ON LEFT, A VARIETY or COTTON RESISTANT TO WILT; 



ON RIGHT, ORDINARY COTTON 

 Many of the plants killed or stunted by wilt. 



plants die when bearing a full load of blooms and bolls. The 

 disease occurs chiefly in the southern half of the cotton belt, 

 and as far west as Louisiana. It is very common on certain 



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