COTTON CULTURE 



57 



the root, and the result is the death of the plant from 

 starvation and lack of proper water supply. Examination 

 of the plant shows a mat of fungus adhering to the roots. 

 Wet weather is favorable to its development. 



Remedy. There is no remedy, but the same preventive 

 measures may be em- 

 ployed as are used with 

 the other fungus dis- 

 eases, namely, liberal 

 fertilization, with thor- 

 ough drainage and till- 

 age. Infected plants 

 should be pulled up and 

 burned. Green manur- 

 ing, or the use of farm- 

 yard manures, should be 

 suspended. Rotation of 

 crops is advisable, with 

 corn, sorghum, millet, 

 wheat, oats, and other 

 members of the grass 

 family. On infected soil 



cotton should not be planted oftener than every third 

 or fourth year, until the disease is eradicated. 



COTTON-LEAF BLIGHT 



This is a very common disease of the cotton plant. The 

 accompanying illustration shows the nature of the disease. 



BLACK ROOT DISEASE OR COTTON 

 WILT.* 



* Courtesy Georgia State Board of Entomology. 



