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40 records were found.

  • Harter, L.L.; Lauritzen, J.I.; Weimer, J.L. (1923). Mottle-necrosis of sweet potatoes. Phytopathology 13: 145.

  • Harter, L.L.; Lauritzen, J.I.; Weimer, J.L. (1923). Internal breakdown of sweet potatoes. Phytopathology 13: 146-147.

  • Harter, L.L.; Weimer, J.L. (1923). Amylase in the spores of Rhizopus tritici and Rhizopus nigricans. American Journal of Botany 10: 89-92.

  • Harter, L.L.; Weimer, J.L. (1923). The relation of the enzyme pectinase to infection of sweet potatoes by Rhizopus. American Journal of Botany 10: 245-258.

  • Harter, L.L.; Weimer, J.L. (1921). Respiration of sweet potato fungi when grown on a nutrient solution. Journal of Agricultural Research 21: 211-226. 1 fig.

  • Harter, L.L.; Weimer, J.L. (1921). Studies in the physiology of parasitism, with special reference to the secretion pectinase by Rhizoctonia tritici. Journal of Agricultural Research 21: 609-625.

  • Harter, L.L.; Weimer, J.L. (1921). A comparison of the pectinase produced by different species of Rhizopus. Journal of Agricultural Research 22: 371-377.

  • Harter, L.L.; Weimer, J.L. (1921). Susceptibility of the different varieties of sweet potatoes to decay by Rhizopus nigricans and Rhizopus tritici. Journal of Agricultural Research 22: 511-515.

  • Harter, L.L.; Weimer, J.L. (1923). Influence of the substrate acid and its hydrogen-ion concentration on pectinase production. Journal of Agricultural Research 24: 861-878.

  • Harter, L.L.; Weimer, J.L. (1923). Some physiological variations in strains of Rhizopus nigricans. Journal of Agricultural Research 26: 363-371.

  • Harter, L.L.; Weimer, J.L. (1920). Sweet potato rot and tomato wilt. Phytopathology 10: 306-307.

  • Harter, L.L.; Weimer, J.L. (1922). Decay of various vegetables and fruits by different species of Rhizopus. Phytopathology 12: 205-212.

  • Harter, L.L.; Weimer, J.L. (1929). A monographic study of sweet potato diseases and their control. US Dept. Agric. Techn. Bull. 99: 117 pp., 23 figs, 26 tabs.

  • Harter, L.L.; Weimer, J.L.; Adams, J.M.R. (1918). Sweet-potato storage-rots. Journal of Agricultural Research 15: 337-368, tabs 21-27.

  • Harter, L.L.; Weimer, J.L.; Lauritzen, J.J. (1926). The comparative susceptibility of sweet potato varieties to black rot. Journal of Agricultural Research 32 (12): 1135-1142.

  • Harter, L.L.; Weimer, J.L.; Lauritzen, J.J. (1921). The decay of sweet potatoes (Ipomoea batatas) produced by different species of Rhizopus. Phytopathology 11: 279-284.

  • Weimer, J.L. (1917). The origin and development of the galls produced by two cedar rust fungi. American Journal of Botany 4: 241-251, 1 fig., 5 tabs.

  • Weimer, J.L. (1919). Variations in Pleurage curvicolla (Wint.) Kuntze. American Journal of Botany 6: 406-409.

  • Weimer, J.L. (1920). Some observations on the spore discharge of Pleurage curvicolla (Wint.) Kuntze. American Journal of Botany 7: 75-77.

  • Weimer, J.L. (1917). Three cedar rust fungi, their life histories and the diseases they produce. Cornell Agr. Exp. Stat. Bull. 390: 507-549, figs 136-157.

  • Weimer, J.L. (1921). Reduction in the strength of the }mercuric-chloride solution used for disinfecting sweet potatoes. Journal of Agricultural Research 21: 575-587.

  • Weimer, J.L. (1923). Two diseases of udo (Aralia cordata Thunb.). Journal of Agricultural Research 26 (6): 271-278.

  • Weimer, J.L. (1924). Alternaria leaf spot and brown rot of cauliflower. Journal of Agricultural Research 29: 421-441, 3 figs, 4 tabs.

  • Weimer, J.L. (1926). Ringspot of crucifers caused by Mycosphaerella brassicicola (Fr.) Lindau. Journal of Agricultural Research 32: 97-132, 2 figs, 6 tabs.

  • Weimer, J.L. (1926). A leaf spot of cruciferous plants caused by Alternaria herculea. Journal of Agricultural Research 33 (7): 645-650.

  • Weimer, J.L. (1928). A wilt disease of alfalfa caused by Fusarium oxysporum var. medicaginis. Journal of Agricultural Research 37: 419-433, 3 figs, 2 tabs.

  • Weimer, J.L. (1929). Additional hosts of Fusarium oxysporum var. medicaginis. Journal of Agricultural Research 39: 351-354.

  • Weimer, J.L. (1930). Temperature and soil-moisture relations to Fusarium oxysporum var. medicaginis. Journal of Agricultural Research 11: 97-103, 4 figs.

  • Weimer, J.L. (1930). Alfalfa root injuries resulting from freezing. Journal of Agricultural Research Washington 40: 121-143.

  • Weimer, J.L. (1920). The distribution of buckeye rot of tomatoes. Phytopathology 10: 172.

  • Weimer, J.L. (1927). A wilt disease of alfalfa caused by Fusarium sp. Phytopathology 17 (5): 337-538.

  • Weimer, J.L. (1927). Observations on some alfalfa root troubles. US Dept. Agric. Circ. 425: 9 pp., 4 tabs.

  • Weimer, J.L.; Harter, L.L. (1923). Influence of temperature on the pectinase production of different species of Rhizopus. American Journal of Botany 10: 127-132.

  • Weimer, J.L.; Harter, L.L. (1923). Pectinase in the spores of Rhizopus. American Journal of Botany 10: 167-169.

  • Weimer, J.L.; Harter, L.L. (1921). Glucose as a source of carbon for certain sweet potato storage-rot fungi. Journal of Agricultural Research 21: 189-210.

  • Weimer, J.L.; Harter, L.L. (1921). Respiration and carbohydrate changes produced in sweet potatoes by Rhizopus tritici. Journal of Agricultural Research 21: 627-635.

  • Weimer, J.L.; Harter, L.L. (1923). Temperature relation of eleven species of Rhizopus. Journal of Agricultural Research 24: 1-40.

  • Weimer, J.L.; Harter, L.L. (1923). Hydrogen-ion changes induced by species of Rhizopus and Botrytis cinerea. Journal of Agricultural Research 25: 155-164.

  • Weimer, J.L.; Harter, L.L. (1926). Root rot of the bean in California caused by Fusarium martii-phaseoli Burk. and F. aduncisporum n.sp. Journal of Agricultural Research 32: 311-319, 3 tabs.

  • Weimer, J.L.; Luttrell, E.S. (1948). Angular leaf spot of kudzu caused by a new species of Mycosphaerella. Phytopathology 38: 348-358, 3 figs.


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