Bui. 1046,'U. S. Dept. of Agriculture. 



Plate I. 



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.. «^- A ; s. -•}'*?«?!■. • 



Fig. I. — General View of the Wheat-Rust Nursery. 



The investigation of the comparative rust resistance of varieties of wheat at the Kansas Agri- 

 cultural Experiment Station was conducted here. The arrows indicate the location of rotary 

 sprayers. 









=4fc-- * .-Ml 



Fig. 2. — RowIofIBarberry Bushes Adjacent to the Wheat-Rust Nursery. 



Each arrow indicates the location of a rotary sprayer. 



