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THE FARMERS' HANDBOOK. 



Specimens of straw affected in the season 1912-13 did not reveal the 

 presence of any aphides or of any fungus disease when examined at the 

 Biological Branch, neither were aphides observed attacking the wheat crops 

 at Nynsran, Wagga, or Cowra during this year. 



Fig. 24.— Portions of Wheat Straw, showing buckling near 

 the lower nodes. 



Fig- 25.— A Contorted 

 Head of Wheat. 



Mr. Maiden, Government Botanist, who examined some of the affected 

 stems, stated in his report, " It will be noticed that buckling takes place 

 nearer the lower nodes, that is, in the region of the greatest restriction of 

 growth. A phenomenon of this kind is called ' contortion ' by Masters 



