580 



Grasses and Leguminous Crops in Xew York 



field, plants vary in resistance from nothing to 98 per cent. 

 The selection of seed from these resistant plants will lead to the 

 development of a resistant strain of the timothy. It is necessary, 

 however, to do this locally rather than to depend on snch seed sent 

 in from some other region, because plants that are resistant 

 in one locality may not be in another. 



Fig. 622. A Timothy Plant Showinc4 the 



Shredding of the Leaves Due to 



the Leaf Smut. 



ERGOT 



Ergot, Claviceps narpurea (Fr.) Tul., occurs on a large num- 

 ber of grasses, including cereals, like rye and wheat. It is not the 

 actual losses in the crop that make the disease important, but 



