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Production of pectic enzymes by Verticillium albo-atrum

Creator:: McIntyre, Gary Allen
Abstract:: The main objectives of this study were to determine the effect of certain environmental conditions on the quantity of poly-galacturonase (PG) produced by V. albo-atrum, and to partially purify and characterize the PGs produced by this fungus in culture and in infected tomato plants. V. albo-atrum produced twenty times as...
Resource Type:: Dissertation
Full Text:: /4 ACKNOWLEDGMENTS I wish to express my sincere thanks to Dr. M. E. Corden for his counsel

Stimulation of mycelial growth of Endothia parasitica by specific heavy metals that detoxify accumulated oxalate

Creator:: Englander, Carol Marcus
Abstract:: Mycelial growth of Endothia parasitica was stimulated by relatively high concentrations of CuSO₄ in potato dextrose agar medium (PDA). Stimulation of E. parasitica by the high levels of CuSO₄ and the relatively poor growth of this fungus on standard culture media suggested that stimulation might be due to interaction of...
Resource Type:: Masters Thesis
Full Text:: OXALATE Abstract approved: Redacted for Privacy M. E. Corden Mycelial growth of Endothia parasitica was

Copper tolerance in four fungal species

Creator:: Grable, Carl Ivan
Abstract:: This study was initiated to determine the tolerance to copper of Aspergillus niger, Stemphylium sarcinaeforme, Monilinia fructicola and Fusarium oxysporum f. sp. lycopersici. Included were strains of the latter two fungi that were induced to tolerate relatively high levels of copper by continual culture on sublethal levels of the toxicant....
Resource Type:: Dissertation
Full Text:: Privacy M. E. Corden This study was initiated to determine the tolerance to copper of Aspergillus niger

The influence of sulfur and carbohydrate nutrition of Fusarium oxysporum f. sp. lycopersici on resistance to methylisothiocyanate

Creator:: Cobb, William Thompson
Resource Type:: Dissertation
Full Text:: approved: M. E. Corden Sulfur nutrition markedly affected the susceptibility of F. oxy- sporum f. sE

Methylisothiocyanate as a wood fumigant : fungitoxicity to Poria carbonica in wood and gelatin encapsulation for use in wood products

Creator:: Zahora, Andrew Roy
Abstract:: Experiments were conducted to determine both the influence of wood moisture content on the fungitoxicity of methylisothiocyanate (MIT) to the wood-decay fungus Poria carbonica, and the ability of gelatin to safely en-capsulate MIT for efficient treatment of wood products. The fungitoxicity of MIT was studied by determining the product of...
Resource Type:: Masters Thesis
Full Text:: and Gelatin Encapsulation for use in Wood Products Abstract approved: Redacted for Privacy M. E

Characterization of two endopolygalacturonase isozymes produced by Fusarium oxysporum f. sp. lycopersici

Creator:: Strand, Larry L.
Abstract:: Polygalacturonase produced by Fusarium oxysporum f. sp. lycopersici was purified by chromatography on DEAE cellulose, CM cellulose, and hydroxylapatite. Removal of large amounts of carbohydrate by chromatography on hydroxylapatite did not affect heat stability of the enzyme. A large proportion of the remaining carbohydrate appeared to be covalently linked to...
Resource Type:: Dissertation
Full Text:: analyses, and Drs. M. E. Corden, D. L. MacDonald, R. R. Becker, and other members of the Departments of

Decomposition of sodium n-methyl dithiocarbamate, vapam, in soil

Creator:: Turner, Nathan Joe
Resource Type:: Dissertation
Full Text:: Lawson i ACKNOWLEDGMENT I would like to thank Dr. M. E. Corden for helpful assistance rendered

Characterization of pectic enzymes produced by Fusarium oxysporum f. lycopersici

Creator:: Young, Robert J.
Resource Type:: Dissertation
Full Text:: sincere appreciation to Dr. Malcolm E. Corden for his counsel, encouragement and constructive criticism

Fungitoxicity of silver salts

Creator:: Guilford, Roger Kirby
Abstract:: The demand for new fungicides to control plant diseases has led to experimentation with both previously used and newly developed fungicides. Silver, an older but little used fungicide, was selected for evaluation because of its high toxicity to microorganisms. Silver nitrate and a silver electrolytic cell were tested as potential...
Resource Type:: Masters Thesis
Full Text:: gratitude to Dr. Malcolm E. Corden and Dr. Roy A. Young for their guidance and encouragement offered

Fungitoxicity of sodium n-methyldithio-carbamate (Vapam) and its decomposition products

Creator:: Elson, Joseph Earl
Abstract:: An assay for fungicidal activity of sodium N-methyldithiocarbamate (Na-MDC) and its decomposition products was developed in which there was a minimum influence due to the widely varying physical properties of the compounds (i.e. vapor pressure and water solubility). Decomposition of the toxicant during the tests was measured and held to...
Resource Type:: Masters Thesis
Full Text:: Bulletin Num- ber 508) 3. Corden, M. E. et al. Inversion phenomenon induced by nabam derivatives 7

ScholarsArchive@OSU

Production of pectic enzymes by Verticillium albo-atrum

Stimulation of mycelial growth of Endothia parasitica by specific heavy metals that detoxify accumulated oxalate

Copper tolerance in four fungal species

The influence of sulfur and carbohydrate nutrition of Fusarium oxysporum f. sp. lycopersici on resistance to methylisothiocyanate

Methylisothiocyanate as a wood fumigant : fungitoxicity to Poria carbonica in wood and gelatin encapsulation for use in wood products

Characterization of two endopolygalacturonase isozymes produced by Fusarium oxysporum f. sp. lycopersici

Decomposition of sodium n-methyl dithiocarbamate, vapam, in soil

Characterization of pectic enzymes produced by Fusarium oxysporum f. lycopersici

Fungitoxicity of silver salts

Fungitoxicity of sodium n-methyldithio-carbamate (Vapam) and its decomposition products

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