Hill, Joseph Paul. (1974). Ecological races of Helminthosporium maydis race
T. Master's thesis.
Jeschke, Nikola. (1987). The ecology of Fusarium species in corn kernels and in soil. Master's thesis.
Brantley, Elizabeth Ann. (2001). Ecology, genetic variation, and biological control of the artillery fungus (Sphaerobolus stellatus Tode:Pers.). Doctoral thesis.
Guevara, Yolanda Guillermina. (1991). Effect of adjuvants on survival and antagonistic interaction of a strain of Pseudomonas putida against Phoma medicaginis var. medicaginis on alfalfa leaves. Doctoral thesis.
Scalza, Janice Christine. (1979). The effect of Agrobacterium radiobacter var. radiobacter strain 84 and soil fumigation on the incidence of crown gall induced by strains of A. radiobacter var. tumefaciens in Pennsylvania. Master's thesis.
DeLozier, Kathy Diane Mayo. (1980). The effect of ambient temperature and relative humidity on Botrytis cinerea Pers. on Pelargonium x hortorum Bailey. Master's thesis.
Spotts, Robert Allen. (1974). The effect of benzimidazole on some membrane properties, leaf steols, and ozone resistance of Phaseolus Vulgaris L. Doctoral thesis.
Sacco, Paul. (1939). The effect of certain indole compounds upon cuttage. Master's thesis.
Wenner, Nancy G. (1987). The effect of Chlorothalonil on the infection of scots pine by Cyclaneusma minus. Master's thesis.
Schroeder, Gary Morris. (1980). Effect of compost moisture, casing moisture, and supplementation on size and yield of commercial mushrooms. Master's thesis.
Porter, Richard Milner. (1978). Effect of differential accumulation of phosphorus in corn (Zea mays L.) on stalk rot parameters. Master's thesis.
Foley, Dean Carroll. (1955). The effect of fertility on stalk rot of corn in Pennsylvania. Doctoral thesis.
Pellissier, Marc Paul. (1971). Effect of foliar and root treatments of benomyl in reducing ozone injury to pinto bean and cucumber. Master's thesis.
Barclay, Gerald B. (1985). The effect of four plant growth regulators on yield and size of the cultivated mushroom, Agaricus bisporus. Master's thesis.
Maczuga, Steven Anthony. (1987). The effect of fungicide scheduling systems and inoculum levels on the control of early blight of potato. Master's thesis.
Royer, Matthew Henry. (1979). The effect of host resistance on relative parasitic fitness. Master's thesis.
Dunkle, Alice Riccadonna. (1964). The effect of ionizing radiation on the floral anatomy of "coleus blumei" Benth. 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.
Giddix, Leonard Roland. (1979). The effect of light and atrazine on the bacteria-induced hypersensitive response in soybean. Master's thesis.
Enyinnia, Tobias. (1970). The effect of "Meloidogyne incognita" on the resistance of tomato to fusarium wilt. Master's thesis.
Bowman, Pamela M. (1967). The effect of "Meloidogyne incognita" on the resistance of tomato varieties to Fusarium wilt. Master's thesis.
Sayed, Mustafa Quasim. (1960). The effect of nutrition, pH and nematodes on damping-off disease of pea, tomato, and cucumber. Doctoral thesis.
Dorworth, Charles E. (1963). The effect of nutrition, soil moisture, and soil temperature on the proneness of dianthus caryophyllus to attack by fusarium roseum. Master's thesis.
Fisher, Robert Eugene. (1972). Effect of ozone and hydrogen chloride gas on pinto bean plants. Master's thesis.
Zambito-Leo, Leonardo. (1978). The
Effect of periods of light exposure on the production of Isoflavonoids in
soybean leaves infiltrated with Drwinia amylovora and water.
Drummond, David Borthwick. (1972). The effect of peroxyacetyl nitrate on petunia. (Petunia hybrida Vilm.). Doctoral thesis.
Mainer, Angel. (1976). Effect of Phoma and Stagonospora diseases on the quality of alfalfa and orchardgrass leaf tissue, respectively. Master's thesis.
Sulaiman, Inon Bte. (1977). The Effect of potato virus X (PVX) immune gene on the susceptibility of potato tubers to Fusarium roseum 'Sambucinum' tuber rot. Master's thesis.
Merino-Irigoyan, Ruben. (1963). Effect of strains of potato virus X on yield of potatoes. Master's thesis
Stockwell, Christine Anastasia. (1982). The effect of temperature on host-parasite interactions during penetration of wheat leaves by Bipolaris sorokiniana. Master's thesis.
Anderson, Francis Anthony. (1956). Effect of temperature on spore survival of fungus pathogens and competitors of the cultivate mushroom, "Agaricus Campestris" (L. ex. Fries). Master's thesis.
Breth, Deborah I. (1986). The effect of the lesser peachtree borer on the expansion of Cytospora canker on peach trees. Master's thesis.
Watson, Gregory Robert. (1982). The effects of atrazine on soft red winter wheat diseases and yield. Master's thesis.
Sommerfeld, Mark L. (1988). The effects of barley yellow dwarf virus and Helminthosporium avenea infections, singly and in combination, on yield components of oats. Master's thesis.
Ramon, Maria Paola. (2003). Effects of fertilizer, pH and biological control on Pythium root rot. Master's thesis.
Molina, Agustin B. Jr. (1983). Effects of host resistance, sanitation, fungicides, and timing of applications in the management of potato late blight. Doctoral thesis.
Godish, Thaddeus Joseph. (1970). Effects of hydrogen chloride gas on photosynthesis, respiration, transpiration and photosynthetic pigments of tomato cv. Bonny Best. Doctoral thesis.
Pawloski, Judith Ann. (1982). The effects of intermittent nitrogen dioxide exposures on nitrogen and glycoalkaloid status and yield of potato. Master's thesis.
King, Eileen Dorothea. (1982). The Effects of late blight, Colorado potato beetle, and weed populations on yield loss of potato. Doctoral thesis.
Robertson, Janet Schoonmaker. (1979). The effects of late blight, green peach aphid, and redroot pigweed on yield loss of potato. Master's thesis.
Raid, Richard N. (1986). The effects of Puccinia polysora on growth and yield of corn. Doctoral thesis.
Nanayakkara, Upeksha. (2006). Effects of silicon on gray leaf spot development of perennial ryegrass turf. Doctoral thesis.
Arny, Carol Jean. (1984). Effects of simulated acid rain treatments on ethylene production by potato, radish and soybean leaf tissue. Master's thesis.
Lotstein, Richard Jan. (1982). Effects of SO2 on tomato fruit quality and plant susceptibility to Alternaria solani. Master's thesis.
Huether, Jeffrey Paul. (1973). Effects of tobacco mosaic virus strains on cultivars of eggplant, Solanum melongena L. Doctoral thesis.
Scarborough, Betsy Ann. (1974). The effects of tobacco ringspot virus and tomato ringspot virus on growth and flowering quality of Pelargonium x hortorum Baile. Master's thesis.
Wardle, Kenneth Stanley. (1967). The effects of various lipids on growth of mycelium of "Agaricus bisporus" (Lange) Sing. Master's thesis.
Keil, Harry Louis. (1939). Effects of various spray materials on the yield of tomatoes. Master's thesis.
Broscious, Steven C. (1982). The effects of winter wheat row width, seeding depth, seeding rate, and spring nitrogen fertilization level on the severity of infection by Erysiphe graminis f. sp. tritici, Septoria spp. and Helminthosporium sativum in Pennsylvania. Master's thesis.
Goodin, Michael M. (1991). Encapsidation of the La France disease-specific double-stranded RNAs in thirty-six nanometer isometric virus-like particles: A Thesis in plant pathology. Master's thesis.
Truxall, David L. (1995). An environmentally driven model for grape black rot scouting and the impact of environmental data differences on disease control decision-making. Doctoral thesis.
Newhart, Susan Ruth. (1981). Enzyme-linked immunosorbent assay (ELISA) for the detection of tobacco ringspot virus in Pelargonium x hortorum L. H. Bailey. Master's thesis.
Shrum, Robert D. (1975). EPIDEMIC: a flexible plant disease
simulator. Doctoral thesis.
Castor, Loral Leslie. (1975). Epidemiological study of yellow leaf blight of corn (Zea mays L.). Master's thesis.
Spadafora, Vincent James. (1986). Epidemiology and control of septoria nodorum leaf and glume blotch on soft red winter wheat in Pennsylvania. Doctoral thesis.
Hausbeck, Mary K. (1990). The epidemiology of Botrytis cinerea pers. on the geranium (Pelargonium x hortorum L.H. Bailey). Doctoral thesis.
Fried, Padruot Men. (1977). Epidemiology of Erysiphe graminis f. sp. tritici in chancellor wheat and multilines. Doctoral thesis.
Weidensaul, Thomas Craig. (1969). Epidemiology of fusarium caker of sugar maple. Doctoral thesis.
Sanogo, Soumaila. (1995). Epidemiology of tomato anthracnose caused by Colletotrichum coccodes (WallR.) Hughes. Doctoral thesis.
Anderson, Merrilee G. (2002). Etiology and epidemiology of Trichoderma harzianum Rifai in association with the cultivated mushroom Agaricus bisporus (Lange) Imbach. Doctoral thesis.
Fulton, Dennis Edward. (1972). Etiological factors associated with fusarium blight of turfgrass. Master's thesis.
Cole, Herbert. (1957). The etiology and epiphytology of northern anthracnose on red clover. Doctoral thesis.
Kingsland, Graydon Chapman. (1958). Etiology and epiphytology of stalk rot of corn in Pennsylvania. Doctoral thesis.
Beyer, David Meigs. (1978). Etiology of the Vern Astley disease of the cultivated mushroom. Master's thesis.
Kistler, Barry Rodger. (1977). Etiology, symptomology, epidemiology, and chemical control of Naemacyclus needlecast. Master's thesis.
Ke, Jing. (1989). Evaluation of foliar symptoms on Norway spruce [Picea abies (L.) Karst.] and relationship to nutrients status. Master's thesis.
Kleiner, William C. (1988). Evaluation of fungicides for the management of orange rust on black raspberry. Master's thesis.
Davis, Alice Ethel. (1979). An evaluation of leaf trap and soil dilution and plating techniques as detectors of Cylindrocladium scoparium and Rhizoctonia Spp. in soils. Master's thesis.
Seem, Robert Charles. (1972). Evaluation of potential chemical protectants from ozone damage to Phaseolus vulgaris L. Master's thesis.
Anzola, David Raul. (1980). An evaluation of resistance in sweet corn to maize dwarf mosaic disease. Master's thesis.
Royer, Matthew Henry. (1982). An evaluation of the independence of Erysiphe graminis f. sp. tritici virulence genes in natural populations and phenotypic specificity to certain defeated powdery mildew resistance genes. Doctoral thesis.
Jing, George N. (1994). Evaluation of the nematicidal properties of cruciferous plants for nematode management in replant orchards. Doctoral thesis.
Hellmann, Renate. (1990). Evaluation of the physiologic races of Ustilago hordei by starch gel electrophoresis. Master's thesis.
Thon, Michael R. (1998). Evolutionary relationships among members of the genus Lentinula and other selected Basidiomycetes based on beta-tubulin and ribosomal DNA sequences. Doctoral thesis.
Wolff, Emily Tower. (1947). An experimental study of Colletotrichum graminicolum on fine turf. Doctoral thesis.
Dillon, Justin Michael. (2004). Exploring the role of the type III secreted DspA protein from Erwinia amylovora in disease and the effect of silicon supplementation on the foliar pathogen Pseudomonas syringae. Master's thesis.
Bair, Wendy. (1985). Extent of gray leaf spot in Pennsylvania and variability present in the pathogen, Cercospora zeae-maydis. Master's thesis.