INDEX. 87 



Page. 



Miinter. Julius, on occurrence of nematodes ^ 30, 79 



Muskmelon, susceptibility to root-knot 14, 22, 59 



Neal, J. C, ou occurrence of root-knot 9-21, 25, 69, 79 



Nebraska, occurrence of root-knot 24, 43 



Needham, J. T., on occurrence of nematodes 30, 79 



Nematode parasite. Sec Aphelenchus, Ileterodera, Tylenchus, etc. 



Neocosmospora vasinfecta, wilt funj^iis, analogy to root-knot 40, 71 



New England, occurrence of root-knot 24 



New Mexico, occurrence of root-knot 23, 42 



New South Wales, occurrence of root-knot 9, 39 



New York, occurrence of root-knot 24, 43 



New Zealand, occurrence of root-knot 23 



North Carolina, occurrence of root-knot 23, 64 



Nursery, relation of stock to root-knot introduction 24, 38, 73 



Oats, resistance to root-knot 12, 21, 65-67, 74 



Ohio Agricultural Experiment Station, investigations of root-knot 46-47 



Oklahoma, probable presence of root-knot 24 



Okra, susceptibility to root-knot 11, 54, 55, 56, 62, 66, 68 



Oliver, G. W., on plant breeding 72, 79 



Orange, susceptibility to root-knot 11, 14 



Orchards, treatment with carbon bit^ulphid for root-knot 49-50, 74 



Orton, W. A., and Webber, H. J., on resistance of cowpeas to root-knot. . . . 65, 71, 81 



on studies relating to root-knot 40, 72, 79, 82 



Osterwalder, Adolf, on occurrence of root-knot 14, 80 



Panicum miliaceum. See Proso. 



Papaya, susceptibility to root-knot 13, 22, 49, 50, 51 



Parasites, nematode. See Aphelenchus, Heterodera, and Tylenchus. 



Pea, susceptibility to root-knot 18, 33 



Peach, susceptibility to root-knot 12, 23, 24, 38, 49, 59, 73 



Peanut, susceptibility to root-knot 12, 65, 74 



Peglion, v., on occurrence of root-knot 14, 80 



Pennisetum sp., resistance to root-knot 21 



Pennsylvania, occurrence of root-knot 24 



Peony, susceptibility to root-knot 18, 43 



Phenyl, Little's soluble, use in experiments for control of root-knot 56 



Philippines, probable presence of root-knot 23 



Phleum pratense. See Timothy. 



Phosphate, acid, use for control of root-knot 56 



Phylloxera, measures for control as related to root-knot 49, 50, 51, 54, 71 



Piper, C\ v., on susceptibility of Stizolobium pruriens to root-knot 20, 21 



Plants, crop, resistant to root-knot 21-22, 65-69 



greenhou.se, treatment for root-knot 47^8, 74 



host, effects of attack of the root-knot parasite 7-8, 39^1, 71 



parts attacked by the root-knot parasite 7-8, 39-40, 75 



susceptibility to root-knot 10-21, 72 



Plates, description 82 



Potash in fertilizers, effect on root-knot in fields 52, 56-58, 70-71, 74-75 



Potassium magnesium carbonate, effect on root-knot 56, 57, 58, 71 



sulphate, effect on root-knot 56, 57, 58, 71 



sulphocarbonate, experiments for control of root-knot 50, 54 



Potato, Irish, root-knot infestation and spread 19, 38-39, 40, 69, 70, 73 



sweet, susceptibility to root-knot 16, 31 



Proso, resistance to root-knot 21 



Purslane, susceptibility to root-knot 19, 22 



Queva, C, on occurrence of root-knot 14, 80 



Quicklime. See Lime. 



Radish, susceptibility to root-knot 19, 40 



Rape, summer, use as trap crop for control of sugar-beet nematodes 61-62 



susceptibility to root-knot 13 



Redtop, resistance to root-knot 21 



Reed, G. M., on plant breeding 72, 80 



Resistant strains. See Root-knot, breeding. 



217 



