The Take-all Disease of Cereals and Grasses 



TABLE 1 (continued) 



Name of grass 



Relative number of 

 perithecia on plant f 



In greenhouse 

 tests 



In the 

 field 



Presence of 

 perithecia 

 previously 

 recorded % 



HBK . 



Bromus (continued): 



unioloides (Willd.) 



villosus Forsk 



Calamagrostis canadensis (Michx.) Beauv 



Capriola dactylon (L.) Kuntze 



Cenchrus echinatus L 



tribuloides L 



Chaetochloa geniculata (Lam.) Millsp. & Chase. 



lutescens (Weigel) Stuntz 



Chloris virgata Swartz 



gayana Kunth 



Cynodon sp 



Cynosurus cristatus L 



Dactylis glomerata L 



Danthonia intermedia Vasey 



Deschampsia elongata (Hook.) Munro 



Digitaria sanguinalis (L.) Scop 



Echinochloa crus-galli (L.) Beauv 



frumentacea (Roxb.) Link 



Elymus arenarius L 



australis Scribn. & Ball 



canadensis L 



condensatus Presl 



curvatus Piper 



europaeus L 



giganteus Vahl 



hirsutiglumis Scribn. & Sm 



sibiricus L 



None. 

 None. 

 None . 

 None. 

 None. 

 None. 



None. 

 None. 

 None. 



None .... 

 None .... 

 None. . . . 

 None .... 

 None .... 

 None .... 

 None .... 



Many 



Many. . . . 



Many 



Many 



Many. . . . 



Many 



Few 



Few 



Moderate. 



(7) 

 (1) 



(14) 

 (14) 



* All the grasses in this test were grown from seed obtained from the following sources: Dr. E. B. 

 Main-, Purdue University, LaFayette, Indiana; Professor A. H. Larson, Seed Laboratory, University of 

 Minnesota, St. Paul, Minnesota; Berkeley, California, grass gardens of the Cereal Office of the United 

 States Department of Agriculture. 



t Few=less than ten perithecia per culm. 

 Moderate=from ten to forty perithecia per culm. 

 Many=more than forty perithecia per culm. 

 X References to literature in last column: 

 l^Saccardo (1875) 

 2= Waters (1920a) 

 3=Brittlebank (1920) 

 4=Berkeley and Broome (1861) 

 5=Anonymous (1919) 

 6=McAlpine (1904) 

 7=Rosen and Elliott (1923) 

 8=Anonymous (1907) 

 9=Hori (1901) 

 10=Peglion (1898) 

 ll=Stakman (1922) 

 12=Pridham (1919) 

 13=Anonymous (1922a) 

 14=Kirby (1922) 



