32 MISC. PUBLICATION 4 6, U. S. DEPT. OF AGRICULTURE 



Question: Is this partial tolerance possibly the reason that there are not many 

 reports of infestations in this genus? 



Echinochloa colonnm, jungle-rice. (C, N) 



United States Bureau of Plant Industry (unpublished data in files of 

 Division of Nematology) : Infested specimens received from California 

 in 1937, collected by G. J. Harrison and C. E. Scott. 



Echinochloa crusgalli, barnyard grass. (N) 



Steiner 1934 (222) : Considerable infestation observed; "tissues are seem- 

 ingly less interfered with" than those of rice. Arkansas. 



Echinochloa crusgalli var. frumentacea, Japanese millet. 



Bessey 1911 (16): No infestation found. 

 Eleusine coracana, African millet, ragi millet. (C) 



Bessey 1911 (16): Nematodes not abundant and no injury observed. 

 Collins 1938 (41)' "Rapoko" not attacked (1 season). Rhodesia. 

 Krishna Ayyar 1933 (131, 132): Found free in infested plot, and soil popu- 

 lation reduced; very slight infestation in pot experiment (only one 

 instance). India (Madras). 



Eleusine indica, goosegrass, "wiregrass." (N) 



Bessey 1911 (16): Nematodes not abundant and no injury observed. 

 Godfrey 1930 (94): "Occasionally shows light infestation." Hawaii. 

 Steiner, G. (Division of Nematology, Bureau of Plant Industry. 1927): 

 Infested in greenhouse (experimental). District of Columbia. 



Englerastrum schweinfurthii. (C) 



Collins 1937 (41)' No signs of nematode attack. Rhodesia. 



Eragrostis abyssinica (name supplied), teff. (C) 



Collins 1938 (41)' Teff not attacked (one season). Rhodesia. 

 Jack 1913 (118): Teff grass little subject to attack. Rhodesia. (N) 



Eragrostis spp. 



G. Minz (research station, Rehovot, Palestine; in letter, 1940) reports infesta- 

 tion on E. cilianensis ("E. megastachya") . The Division of Nematology, Bureau 

 of Plant Industry, has observed root knot on E. diffusa, collected in California 

 in 1937 by G. J. Harrison and C. E. Scott. 



Erechtites hieracifolia (Senecio hieracifolius) , fireweed. (N) 



Godfrey 1935: 47 Infestation commonly observed to be light. Hawaii. 

 Erigeron albidus. (C) 



Linford 1939 (142) : Appears highly resistant under Hawaiian field condi- 

 tions; roots highly attractive to larvae in vitro, but two separate roots 

 of a single plant differed markedly in their apparent attractiveness. 



Erigeron spp. (N) 



United States Bureau of Plant Industry (unpublished data in files of 

 Division of Nematology) : Greenhouse infestations on E. philadelphicus 

 and on E. sp. observed in the District of Columbia in 1927 and 1929. 



Eriobotrya japonica, loquat. (C) 



California Nematode Committee 1925: 48 Infested but profitable. 

 Eriocaulon sp. (C) 



Collins 1937 (41) : No signs of nematode attack. Rhodesia. 

 Erlangea laxa. (C) 



Collins 1937 (41)' No signs of nematode attack. Rhodesia. 

 Eruca sativa, roquette, salad-rocket. (C) 



Bessey 1911 (16): Nematodes not abundant and no injury observed. 



« See footnote 10, p. 11. 

 48 See footnote 6, p. 8. 



