WHEAT CULTURE. 



3 1 1 



Fig. 9. — Cross Section of a small piece of Wheat Leaf. 



Showing 1 the masse? of Flag Smut spores, which occupy large cavities 

 extending longitudinally in the tissues. These cavities rupture 

 and the spores escaping produce the long black streaks. 



Bft 





Fig. 10a. — Spores of Flag Smut. 



Note the bladder-like cells 

 surrounding the spores. 



These help the sp< 

 withstand unfavourable 

 conditions. 



Wheat plants malformed as a result of Flag Smut. 



Slightly magnified to show smutted masses (spores of 

 Flag Smut) within the tissues. 



