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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

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

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

Pectolytic enzyme production by Fusarium oxysporum f. sp. lycopersici

Creator:: Baldwin, Charles Harry
Abstract:: This investigation was undertaken to determine 1) the effects of various carbon sources in defined media on pectolytic enzyme production, 2) the effect of the incubation period on pectolytic enzyme activity, and 3) the development of improved methods for the purification and characterization of the polygalacturonases (PG) produced by Fusarium...
Resource Type:: Dissertation
Full Text:: to Dr. Malcolm E. Corden for this opportunity to continue my education and for his guidance and

Purification and properties of the polygalacturonases produced by Fusarium oxysporum f. sp. lycopersici

Creator:: Harman, Gary Elvan, 1944-
Abstract:: This study was undertaken to determine the sorts of polygalacturonases present in the culture filtrate of Fusarium oxysporum f. sp. lycopersici, to purify and characterize these enzymes, and to study any complexes that may form between polygalacturonase and carbohydrate not degraded by the enzyme. The polygalacturonase in culture filtrate consists...
Resource Type:: Dissertation
Full Text:: Mary Jo Stratton for Gary Elvan Harman ACKNOWLEDGEMENTS I wish to thank Dr. M. E. Corden for his

The nature of Fusarium wilt disease resistance in tomato

Creator:: Stromberg, Erik Leslie
Abstract:: Bioassays of acetone extracts from xylem tissue in tomato stems and corresponding reductions in Fusarium oxysporum f.sp. lycopersici race 1 or 2 populations within the stems suggest that fungitoxic materials within the xylem vessels of Bonny Best, Jefferson, and Marglobe tomato cultivars initially kill a portion of the inoculum conidia....
Resource Type:: Dissertation
Full Text:: sincere thanks to my major professor, Dr. M. E. Corden, for his counsel and contructive criticism during

Production and characterization of antifungal compounds produced by tomato plants inoculated with Fusarium oxysporum f. sp. lycopersici

Creator:: Danko, Stephen John
Abstract:: The fungitoxicity of acetone extracts from the xylem of Fusarium wilt disease resistant tomato plants (cv. Jefferson) inoculated with Fusarium oxysporum f. sp. lycopersici was greatly influenced by environmental factors. Extracts obtained from plants 1 h after watering were 4-times more toxic than extracts from plants subjected to water stress...
Resource Type:: Dissertation
Full Text:: Privacy Malcolm E. Corden The fungitoxicity of acetone extracts from the xylem of Fusarium wilt disease

ScholarsArchive@OSU

Production of pectic enzymes by Verticillium albo-atrum

Copper tolerance in four fungal species

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

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

Pectolytic enzyme production by Fusarium oxysporum f. sp. lycopersici

Purification and properties of the polygalacturonases produced by Fusarium oxysporum f. sp. lycopersici

The nature of Fusarium wilt disease resistance in tomato

Production and characterization of antifungal compounds produced by tomato plants inoculated with Fusarium oxysporum f. sp. lycopersici

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