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



Var. Southern Queen. 



Poole and Schmidt 1929 (195): Badly infested, but less than Nancy Hall; 



uniform but slight infestation of roots, 35-45 percent potato infestation 



(2 seasons). North Carolina. 

 Weimer and Harter 1925 (261): Highly resistant, not immune; a few small 



galls in seedbed but none seen in three tests of plants from this bed 



(1 season). California. 

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



Var. Triumph. 



Poole and Schmidt 1929 (195): Infestation slight to moderate in rootlets, 



6 to 10.5 percent in potatoes (3 seasons). North Carolina. 

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



Var. Yellow Jersey (Early Carolina; Little-Stem Jersey). 



Burtch 1930 (27): Jersey seems to be fairly free. California. 



California Nematode Committee 1925: 61 Jersey infested but profitable. 



Poole and Schmidt 1929 (195): Resistant; infestation slight in rootlets, 

 to 1 percent in potatoes, with a few scablike lesions (3 seasons) ; 

 ditto Var. "Yellow Jersey Vineless" (1 season) ; the Jersey varieties 

 produce a very high percentage of salable potatoes. North Carolina. 



Porter 1931 (196) : Very satisfactory crops of most varieties of the Jersey 

 group can be grown in soils so thoroughly infested that it is impossible 

 to grow tomatoes, eggplants, or melons with profit; serve as hosts for 

 nematodes in rotation. California. 



Weimer and Harter 1925 (261): Highly resistant, not immune; a few galls 

 seen in one of the three tests, slight stem infestation in another test 

 (1 season). California. 



Whittle and Drain 1935 (263): Listed as seldom infested or highly re- 

 sistant. 



Var. Yellow "Yam" (Yellow Belmont). 



Poole and Schmidt 1929 (195): Infestation of roots moderate to severe, 

 of potatoes "scab markings" to severe (3 seasons); Var. Belmont, how- 

 ever, was heavily infested. North Carolina. 



Weimer and Harter 1925 (261): Highly resistant, not immune; a few small 

 galls in seedbed but none seen on plants from this bed grown in three 

 different localities (1 season). California. 



Ivy, ground-, see Nepeta. 



Jackbean, see Canavalia. 



Japonica, see Camellia. 



Jasminum grandiflorum, Spanish jasmine. (M) 



Bodenheimer 1930 (19): Almost no infestation (one planting). Palestine. 

 Jatropha, see Manihot. 

 Johnson grass, see Sorghum. 

 Juglans cinerea, butternut, "white walnut." (M) 



Neal 1889 (1 76): "Slightly affected." Florida. 

 No further published reports on this species have been found. 

 Jujube, see Zizyphus. 

 Juniperus spp., juniper. (C) 



Blattny 1930 (18): Infested by root knot. [Data from title. Czecho- 

 slovakia.] 



Hume 1937: 62 No harmful infestation ever seen. Florida. 



Kafir, see Sorghum. 

 Kaki, see Diospyros. 

 Kale, see Brassica. 

 Knotweed, see Polygonum. 



6 i See footnote 6, p. 8. 

 62 See footnote 5, p. 8. 



