ROOT KNOT NEMATODE INFESTATION 75 



No. 1613: V. longii, "Solonis" X Othello [complex hybrid, with inheritance includ- 

 ing V. labrusca, V. vinifera, and V. vulpina]. 



Nougabet 1923 (182): Infestation found on 20 percent of the plants; galls 



very small; rating 5 (100 cuttings, 1 year). 

 Snyder 1936 (216) : Infestation very slight, rating 5 (70 vines, 5 years). 



No. 1616: V. longii, "Solonis" X V. vulpina (V. riparia). 



Nougaret 1923 (182): No infestation found (100 cuttings, 1 year). 

 Snyder 1936 (216) : Infestation very slight, rating 10 (79 vines, 5 years). 



V. rupestris X V. cinerea. 



Snyder 1936 (216): Infestation slight, rating 15 (65 vines, 4 years). 



Waltheria americana. (C) 



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

 Warneria, see Gardenia. 

 Watermelon, see Citrullus. 

 Wheat, see Triticum. 

 Wisteria sinensis (Kraunhia sinensis), Chinese wisteria. (C) 



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



Florida State Plant Board 1919-25 (66): Infested shipments of wisteria 

 [species not named! intercepted from Georgia and Ohio. 



Whittle and Drain 1935 (263) : Listed as slightly infested. Tennessee. 



Wormskioldia longipedunculata. (C) 



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

 Yam-bean, see Pachyrhizus. 

 Zantedeschia aethiopica, calla. (N) 



Grower: Not much injury. California. 

 Zea mays, Indian corn, maize, "mealie." (N) 



Barrons 1939 (13) : Numerous larvae entered root tips of seedlings and of 



"adult plants" (Vars. Golden Bantam and Trucker's Favorite) heavily 



inoculated in greenhouse; 7 weeks later one series show r ed "a few very 



small galls." Alabama. 

 Bessey 1911 (16) : No infestation found. 

 Buhrer, Cooper, and Steiner 1933: 55 Infestation found on Var. Golden 



Bantam. 

 California Nematode Committee 1925: 59 Infested but profitable. 

 Clayton 1940 (37a) : Sufficiently parasitized to carry over large nematode 



populations. 

 Cobb 1890 (39) : Maize "but little affected." New South Wales. 

 Collins, A. D. 1938 (40) : Practically no yield on infested part of field "has 



again been noticed"; no galls found (but no systematic search). 



Rhodesia. 

 Collins, J. C. 1938 (41): Not attacked in experiment (1 season), but was 



attacked on one farm and stunted, cobs few or small, galls not easy to 



detect; first record in Rhodesia. [This report and the preceding, pub- 

 lished in the same issue of the journal but by different observers, refer to 



separate instances of infestation.] 

 Cunningham 1936 (51) : Sweet corn was very slightly "affected." New 



York (Long Island). 

 Fajardo and Palo 1933 (60): Rated as "resistant"; white corn and "Lagki- 



tan" were infested (20 plants each); in Yellow Flint 14 plants were infested, 



8 plants free. Philippine Islands. 

 Frandsen 1916 (67): "We have succeeded in getting a marked infestation." 



California. 

 Georgia Coastal Plain Experiment Station 1938 (85): Of only slight 



value for control rotation with tobacco. 

 Hume 1901 (113): Infestation does not interfere seriously with the crop. 



Florida. 

 Jack 1920 (119): Not attacked. Rhodesia. 



85 See footnote 20, p. 17. 

 » 6 See footnote 6, p. 8. 



