REPORT 



ON 



RUST OR MILDEW ON WHEAT PLANTS. 



In pursuance of a decision by the Board of Agriculture to 

 make inquiry concerning rust or mildew on wheat plants, in the 

 summer of 1892 the following schedule of questions was issued 

 to certain agriculturists in different districts of the country, 

 asking them to co-operate with the Board by giving their general 

 experiences concerning mildew, as well as by recording facts 

 derived from their observations in connection with it during that 

 season. 



Schedule of Questions, 



I. 



State (a) extent of farm ; () area sown with wheat in 1892; 

 (c) proportion of wheat crop attacked by mildew in 1892. 



II. 



Estimate of injury caused by mildew in 1892. 

 III. 



Date of first appearance of the yellow, rusty (Uredd] form 

 of the mildew, and stage and growth of wheat plants at the time 

 of its appearance. 



Date of first appearance of the black (Teleutospore] form of 

 the mildew, and stage of growth of wheat plants at the time of 

 its appearance. 



The nature, composition, and general characteristics of the 

 soil of the affected wheat fields, noting especially, as far as 

 possible, the relative mineral jand organic constituents. 



VI. 



The cropping and manuring of the affected wheat fields during 

 1890 and 1891. 



VII. 



State (a] date of sowing ; () variety of 'wheat sown j 

 (c) nature of weather generally from sowing to harvest. 



