Casali, C, on occurrence of root-knot 14 



Catalpa, susceptibility to root-knot 13 



Ceylon, occurrence of root-knot 23 



Chambers, W. E., drawings illustrating root-knot nematode 28 



Chemicals, use in experiments for control of root-knot 49-52, 53-56 



Chifflot, J., on occurrence of root-knot 14 



Chile, occurrence of root-knot 9, 23, 42 



China, occurrence of root-knot 23 



Climate, relation to root-knot 24, 42-44, 48 



Clover, Japan, resistance to root-knot 16 



Mexican, employment for reduction of root-knot 



species resistant to root-knot 63 



susceptibility to root-knot 16, 17, 20, 22, 43, 69 



Club-root, variant name for root-knot 



Cobb, N. A., on root-knot 9, 12, 19, 20, 28, 35, 3&-39, 42, 61 



Cobey, W. W., and Shamel, A. D., on strains of tobacco resistant to root-knot. 71 



Coffee, susceptibility to root-knot 9, 14, 49, 50, 60, 71 



Colorado, occurrence of root-knot 24 



Connecticut, occurrence of root-knot 



Com, Indian, resistance to root-knot 21 



Comu, Maxime, on occurrence of root-knot 8, 14, 16, 17, 19, 20, 21 



Cotton, relation to root-knot 15, 66 



Cowpea, relation to root-knot 21, 22, 23, 54-57, 62, 65, 66, 68-69, 70 



Crab-grass, susceptibility to root-knot 21, 65 



Cramer, P. J. S., on occurrence of root-knot 14 



Crops, nonsusceptible, rotations for control of root-knot 65-69 



perennial, root-knot, control in field 48-52 



trap, use in control of root-knot 61-63 



Cucumber, susceptibility to root-knot 14, 22 



Dalla Torre, K. W. von, on occurrence of root-knot 12, 19, 77 



Darboux, G., and Houard, C, on occurrence of root-knot 13, 14, 16, 19, 77 



Davaine, C. J., on occurrence of nematodes 30, 77 



Delacroix, Georges, on occurrence of root-knot 17, 18, 77 



Delaware, occurrence of root-knot 24 



Dorsett, P. H., on occurrence of nematodes 30, 77 



Drying, effect on root-knot, investigations 30, 37-38, 42-44, 45, 48, 60-61, 73, 74, 75 



Ducomet, V., on occurrence of root-knot 19, 77 



Dyke, W., on control of root-knot 56. 77 



East Indies, occurrence of root-knot 23, 25, 49, 54 



Echinochloa frumentacea. See Millet, Japanese. 



Eelworm, variant name for nematode causing root-knot 7 



Egg of root-knot nematode. See Heterodera radicicola, egg. 



Egypt, occurrence of root-knot 23 



Elm, European, susceptibility to root-knot 20, 39 



England, occurrence of root-knot 23 



Escobar, Komulo, on root-knot infestation of watermelon 40 



Euchlaena luxurians. resistance to root-knot 21 



Europe, occurrence of root-knot 23 



European elm. See Elm, European. 



Eustachys petraea, unaffected by root-knot 21 



Everglades, occurrence of root-knot 42,59 



Experiments, cross inoculation, for testing adaptation of root-knot nema- 

 tode 22-23,82 



See also Root-knot, methods of control. 



Fallow, bare, use in control of root-knot 64, 69, 70, 74 



Fawcett, G. L., on root-knot infestation of the coffee tree 75 



Fertilizers, use in control of root-knot in fields 52, 56-58, 70, 74-75 



Fields, root-knot eradication and control 48-71, 74-75 



217 



