420 SOUTHEhN FIELD CHOPS 



LABORATORY EXERCISES 



The object of any laboratory work in connection witli this 

 chapter should be to become acquainted with the appearance 

 in the field of cotton plants attacked by any of these diseases 

 that may be prevalent in the neighborhood of the school or near 

 the students' homes. 



Literature 



Stevens. Diseases of Plants. Bailej''s C'yclo. Agr., Vol. I, pp. 



4.50-453. 

 Atki.nson, C. F. U. S. Dept. Agr., Office of Expr. Sta., Bui. 



No. 33, pp. 279-316. 

 Orton, W. a. U.S. Dept. Agr., Div. Veg. Phys. and Path., and 

 Farmer's Bui. No. 302. 



