NEMATODE GALLS IN MARKET WHEAT. 



9 



wheat, or as foreign material other than dockage if they can not be 

 removed in the determination of dockage. 



Fig. 7. — A, Smut balls ; B, nematode galls ; G, wheat containing smut, corn 

 cockle, bin-burned wbeat, and nematode galls ; D, bin-burned wheat ; E, corn 

 cockle. 



The estimation of the foreign material in wheat is generally made 

 in one of two ways. 1 It may be made by means of sieves such as 



1 U. S. Dept. of Agriculture, Farmers' Bulletin 919. The application of dockage in 

 the marketing of wheat. 1917. 



