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50 records were found.

	Angell, H.R.; Walker, J.C.; Link, R.P. (1930). The relation of protocatechinc acid to disease resistance, in the onion. Phytopathology 20: 431-438.
	Edgington, L.Y.; Walker, J.C. (1957). Influence of soil air temperature on Verticillium wilt on tomato. Phytopathology 47: 594-598.
	Jones, L.R.; Walker, J.C. (1925). Yellows-resistant cabbage varieties. Some necessary precautions for seedsmen to consider in the production and distribution of seeds of new special strains. Seed World 23: 20-21, 1 textfig.
	Jones, L.R.; Walker, J.C.; Monteith Jr, J. (1925). Fusarium resistant cabbage: progress with second early varieties. Journal of Agricultural Research 30: 1027-1034, 3 tabs.
	Jones, L.R.; Walker, J.C.; Tisdale, W.B. (1920). Fusarium resistant cabbage. Research Bulletin of the Agricultural Experiment Station Univ. Wisconsin 48: 1-34, 10 figs.
	Link, K.P.; Angell, H.T.; Walker, J.C. (1929). The isolation of protocatechuic acid from pigmented onion scales and its significance in relation to disease resistance in onions. Journal of Biological Chemistry 81: 369-375.
	Link, R.C.; Dickson, A.D.; Walker, J.C. (1929). Further observations on the occurrence of protocatechuic acid in pigmented onion scales and its relation to disease resistance in the onion. Journal of Biological Chemistry 84: 719-725.
	Robinson, D.B.; Larson, R.H.; Walker, J.C. (1957). Verticillium wilt of potato in relation to symptoms, epidemiology and variability of the pathogen. Bulletin of the Wisconsin Agricultural Experimental Station 202: 1-49.
	Vaughan, R.E.; Walker, J.C. (1920). Onion smut. Wisconsin Hort. 10: 133-145.
	Walker, J.C. (1922). Sed treatment and rainfall in relation to the control of cabbage blackleg. Bull. US Department of Agriculture 1029: 26 pp., 2 tabs.
	Walker, J.C. (1950). Diseases of Vegetable Crops. New York; McGraw Hill Book Company.
	Walker, J.C. (1983). Synchytrium lagenariae. IMI Descriptions of Fungi and Bacteria Set 76: sheet 756.
	Walker, J.C. (1983). Synchytrium phaseoli-radiati. IMI Descriptions of Fungi and Bacteria Set 76: sheet 759.
	Walker, J.C. (1921). Onion smudge. Journal of Agricultural Research Washington 20: 685-722, tabs 80-85, 10 figs.
	Walker, J.C. (1923). Disease resistance to onion smudge. Journal of Agricultural Research 24: 1019-1039.
	Walker, J.C. (1925). Further studies on the relation of onion scale pigmentation to disease resistance. Journal of Agricultural Research 29: 507-514.
	Walker, J.C. (1925). Control of mycelial neck rot of onions by artiflcial curing. Journal of Agricultural Research 30: 365-373, 2 tabs.
	Walker, J.C. (1926). Botrytis neck rots of onions. Journal of Agricultural Research 33 (10): 893-928.
	Walker, J.C. (1930). Inheritance of Fusarium resistance in cabbage. Journal of Agricultural Research Washington 40: 721-745.
	Walker, J.C. (1980). Gaeumannomyces, Linocarpon, Ophiobolus and several other genera of scolecospored ascomycetes and Phialophora conidial states, with a note on hyphopodia. Mycotaxon 11 (1): 1-129.
	Walker, J.C. (1920). Experiments upon formaldehyde-drip control of onion smut. Phytopathology 10: 323-327.
	Walker, J.C. (1921). Rust of onion followed by a secondary parasite. Phytopathology 11: 87-90, 2 figs.
	Walker, J.C. (1923). The hot-water treatment of cabbage-seed. Phytopathology 13: 251-253.
	Walker, J.C. (1924). White rot of Allium in Europe and America. Phytopathology 14: 315-322.
	Walker, J.C. (1925). Two undescribed species of Botrytis associated with the neck rot disease of onion bulbs. Phytopathology 15 (11): 708-713.
	Walker, J.C. (1926). Studies upon the inheritance of Fusarium resistance in cabbage. Phytopathology 16 (1): 87.
	Walker, J.C. (1926). The influence of soil temperature and soil moisture upon white rot of Allium. Phytopathology 16 (10): 697-710.
	Walker, J.C. (1930). The nature of yellows resistance in cabbage. Phytopathology 20 (1): 114-115.
	Walker, J.C. (1957). Benmajin Minge Duggar, 1872-1956. Phytopathology 47 (7): 379-380, 1 fig.
	Walker, J.C. (1924). Observations on the cultivation and diseases of cabbages and onions in Europe 1922. Plant Disease Reporter Supplement 32: 34 pp.
	Walker, J.C. (1929). Some remarks on the physiological aspects of parasitism. Proc. International Congress Plant Sciences Ithaca 2: 1263-1270.
	Walker, J.C. (1924). On the nature of disease resistance in plants. Transactions of the Wisconsin Academy of Sci., Arts and Letters 21: 225-247.
	Walker, J.C. (1924). Cabbage-seed treatment. US Dept. Agric. Circ. 311: 4 pp.
	Walker, J.C. (1919). Onion diseases and their control. US Dept. Agric. Farmers’ Bull. 1060: 1-23, 12 figs.
	Walker, J.C. (1927). Diseases of cabbage and related plants. US Dept. Agric. Farmers’ Bull. 1439: 30 pp.
	Walker, J.C.; Jones, L.R. (1922). Relation of soil temperature and other factors to onion smut infection. Journal of Agricultural Research 22: 235-264, tab. 25-27.
	Walker, J.C.; Lindegren, C.C. (1924). Further studies on the relation of onion scale pigmentation to disease resistance. Journal of Agricultural Research 29: 507-514.
	Walker, J.C.; Lindegren, C.C.; Bachmann, F.M. (1925). Further studies on the toxicity of juice extracts from succulent onion scales. Journal of Agricultural Research 30: 175-187.
	Walker, J.C.; Link, K.P.; Angell, H.R. (1929). Chemical aspects of disease resistance in the onion. Proc. Nat. Sci. Washington 15: 845-850.
	Walker, J.C.; Minter, D.W. (1981). Taxonomy of Nematogonum, Gonatobotrys, Gonatobotryum and Gonatorrhodiella. Transactions of the British Mycological Society 77 (2): 299-319.
	Walker, J.C.; Monteith, J.; Wellmann, F.L. (1926). A new Fusarium resistant cabbage. Phytopathology 16 (1): 72-73.
	Walker, J.C.; Riker, A.J. (1992). Lewis Ralph JONES. December 5, 1864 – April 1, 1945. In Raychaudhuri, S.P.; Verma, J.P. [eds], Review of Tropical Plant Pathology 7: 181-198, incl. portrait. New Delhi, India; Today & Tomorrow’s Printers & Publishers.
	Walker, J.C.; Smith, R. (1930). Effect of environmental factors upon the resistance of cabbage to yellows. Journal of Agricultural Research Washington 12 (1): 1-15.
	Walker, J.C.; Tims, E.C. (1924). A Fusarium bulb rot and the relation of environment to its development. Journal of Agricultural Research 28: 683-694, 3 figs, 3 tabs.
	Walker, J.C.; Tisdale, W.B. (1920). Observations on seed transmission of the cabbage black-rot organisms. Phytopathology 10: 175-177.
	Walker, J.C.; Tisdale, W.B. (1922). Further notes on the occurrence of cabbage blackleg (Phoma lingam). Phytopathology 12: 43.
	Walker, J.C.; Wellmann, F.L. (1926). Relation of temperature to spore germination growth of Urocystis cepulae. Journal of Agricultural Research 32: 133-144, 1 tab.
	Walker, J.C.; Wellmann, F.L. (1928). A survey of the resistance of subspecies of Brassica oleracea to yellows (Fusarium conglutinans). Journal of Agricultural Research Washington 37: 233-241.
	Walker, J.C.; Wellmann, F.L. (1928). A Fusarium resistant cabbage of Jersey Wakefield type. Phytopathology 18 (1): 142.
	Walker, J.C.; Windergren, C.C. (1925). Further studies on the relation of onion-scale pigmentation to disease resistance. Journal of Agricultural Research 29: 507-514.