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Haas, Jerry Henry. (1962). The pathogenicity of "Thielaviopsis basicola" (Berk. & Br.) Ferraris to "Pelargonium X hortorum B." Doctoral thesis.

Hadley, Bruce Alan. (1973). A histopathological study of Dianthus caryophyllus stem stubs infected with Fusarium roseum 'Graminearum'. Master's thesis.

Hager, Richard Arnold. (1966). An investigation of X-disease of the cultivated mushroom Agaricus bisporus (Lange) Sing. Doctoral thesis.

Halbert, Charles R. (1986). A method for screening plant growth regulators for use in cultivation of Agaricus bisporus (Lange) Imbach and the effects of fifteen plant growth regulators on sporophore yield and size. Master's thesis.

Hamid, Ali Bin Haji. (1981). Components of fitness attributes and the inheritance of resistance of corn to Cochliobolus carbonum race 3. Doctoral thesis.

Hamlen, Ronald Alan. (1965). The hatching response of meloidogyne incognita eggs as affected by "root exudates" produced under different soil moisture stresses. Master's thesis.

Hamlen, Ronald Alan. (1971). Identification of carbohydrates in root exudates of alfalfa, Medicago sativa L. cv. Du Puits, grown under gnotobiotic conditions, and their influence on egg hatch of Meloidogyne incognita (Kofoid & White) (Chitwood). Doctoral thesis.

Hansen, Albert August. (1915). A study of Cladosporium fulvum. Master's thesis.

Happ, Albert Charles. (1974). Yield of Agaricus bisporus (Lange) imbach and occurrence of verticillium disease as influenced by aerated steam treatment of peat moss,spent compost, or loam soil. Master's thesis.

Harvey, Cathy Lou. (1978). Reaction of three strains of the cultivated mushroom, Agaricus brunnescens Peck, to four compost-invading fungi. Master's thesis.

Hausbeck, Mary K. (1990). The epidemiology of Botrytis cinerea pers. on the geranium (Pelargonium x hortorum L.H. Bailey). Doctoral thesis.

Hawthorne, Mary Elizabeth. (1940). An investigation of a diploid potato. Master's thesis.

Held, Victor Maxwell. (1954). Physiological differences between a normal and a degenerate strain of Sclerotinia trifoliorum Erikss. Doctoral thesis.

Hellmann, Renate. (1990). Evaluation of the physiologic races of Ustilago hordei by starch gel electrophoresis. Master's thesis.

Herman, Ethel Lenore. (1936). Heat process method of softening woody stem tissue. Master's thesis.

Hetrick, Timothy S. (1992). Optimal temperature for linear growth of various strains of Agaricus Bisporus. Master's thesis.

Hickey, Kenneth Dyer. (1958). Studies on sooty blotch and fly speck diseases of apple. Master's thesis.

Higgins, Bonnie K. (1995). Genetic analysis of a maize/pathogen interaction using random amplified polymorphic DNA (RAPD) markers. Master's thesis.

Hill, Joseph Paul. (1974). Ecological races of Helminthosporium maydis race T. Master's thesis.

Hill, Joseph Paul. (1979). The heritability and genetic control of certain attributes of parasitic fitness of Helminthosporium maydis race T. Doctoral thesis.

Hirayama, Lynne M. (1991). Sources of variation in a homothallic organism: acquisition and stability of metalaxyl resistance in Pythium aphanidermatum. Master's thesis.

Hite, Raymond Eugene. (1972). The effect of irradiation on growth, asexual spore production, and the production of substances associated with sporulation of Botrytis cinerea. Doctoral thesis.

Horna, Sheryl L. (1983). Selection of genetically diverse lines of Agaricus brunnescens for higher spawn run and production temperatures. Master's thesis.

Huether, Jeffrey Paul. (1973). Effects of tobacco mosaic virus strains on cultivars of eggplant, Solanum melongena L. Doctoral thesis.

Huff, Crystal A. (1986). A diallel analysis to determine the inheritance of resistance to gray leaf spot of corn. Master's thesis.

Hunt, Greg. (1984). Studies on the roles of Bursaphelenchus xylophilus and Ceratocystis ips in the pine wilt syndrome. Master's thesis.

Hurwitz, Barbara. (1978). Influence of ozone on concentration of coumestrol and 4[prime],7-dihydroxyflavone in alfalfa foilage. Master's thesis.