Index Catalog // ScholarsArchive@OSU

Investigations into the physiology of nitrogen fixation : Part I. Nickel metabolism of plants and bacteria : Part II. Peroxide scavenging in soybean root nodules

Creator:: Dalton, David Andrews
Abstract:: PART I. The concentration of nickel in some soils may be insufficient to meet the requirements of enzymes such as urease in soybeans and hydrogenase in Rhizobium. Nickel availability in soils was examined by measuring microbial urease activity in soils which were treated with glucose and urea. Supplemental nickel was...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF David Andrews Dalton for the degree of Doctor of Philosophy in Botany

Enzymatic and respiratory studies on the role of cobalt in legumes

Creator:: De Hertogh, August
Resource Type:: Dissertation
Full Text:: his sincere appreciation to Dr. Harold J. Evans for suggesting the problem, and for his interest

The effects of univalent cations on the activity of particulate starch synthetase

Creator:: Nitsos, Ronald Eugene
Resource Type:: Dissertation
Full Text:: ACKNOWLEDGEMENTS The author wishes to thank his major professor, Dr. Harold J. Evans, for his interest and

Some properties of ribonucleotide reductase in Rhizobium species

Creator:: Cowles, Joe Richard, 1941-
Abstract:: Ribonucleotide reductase from Rhizobium meliloti has been partially purified and characterized. The enzymatic reduction of ribonucleotides to deoxyribonucleotides is dependent upon B₁₂ coenzyme and dihydrolipoate. B₁₂ coenzyme was more effective than B₁₂ coenzyme analogues in the reductase reaction. The affinity of the R. meliloti reductase system for B₁₂ coenzyme was...
Resource Type:: Dissertation
Full Text:: REDUCTASE IN RHIZOBIUM SPECIES Abstract approved: Redacted for privacy Harold J. Evans Ribonucleotide

Differential Effects of First Year Wheat Genotype on the Suppression of Take-All Disease and the Establishment of Suppressive Microbial Agents in the Rhizosphere

Creator:: Perkins, Evan M.
Abstract:: Recent research in the UK has found that the wheat cultivar grown in the first year can have a significant impact on the amount of take-all that develops in the second year, regardless of the cultivar planted in year two. ‘Einstein’ is one such cultivar that reduces take-all disease (reduced...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Evan

Seed and seedling ecology of Artemisia tridentata in a restoration context

Creator:: Wijayratne, Upekala C.
Abstract:: The semi-arid sagebrush steppe ecosystem is one of the largest biomes in North America. The steppe provides critical habitat and forage for wildlife and is economically important to recreation and livestock industries. However, the ecosystem is threatened primarily due to several negative effects associated with expansion of the exotic annual...
Resource Type:: Dissertation
Full Text:: : _____________________________________________________________________ David A. Pyke Patricia S. Muir The semi-arid sagebrush steppe ecosystem is one of

Ozone flux in Helianthus annuus (L.)

Creator:: Smith, Elaine D.
Abstract:: Sunflower (Helianthus annuus L., cv. NK894) seedlings, grown hydroponically, were exposed to ozone concentrations of 0.0, 0.1, 0.2, and 0.3 ppm at 60% RH, or 0.0 and 0.3 ppm at 30% and 90% RH, for 6 h/d, for four consecutive days, at ages 15 to 18 days from seeding. Plant...
Resource Type:: Masters Thesis
Full Text:: Privacy David T. T44kei Sunflower (Helianthus annuus L., cv. NK894) seed- lings, grown hydroponically

Yield responses of invasive grasses to carbon doses

Creator:: Brunson, Jessi L.
Abstract:: The sagebrush steppe ecosystem of the northern Great Basin is severely degraded and continues to decline due in large part to the invasive, non-native annual grasses Bromus tectorum L. (cheatgrass) and Taeniatherum caput-medusae (L.) Nevski (medusahead). Restoration of invasive-dominated areas is difficult, but can be enhanced by adding a carbon...
Resource Type:: Masters Thesis
Full Text:: : David A. Pyke Patricia S. Muir The sagebrush steppe ecosystem of the northern Great Basin is

Effects of substrate relief, light intensity and herbivory on the distribution and abundance of periphyton in laboratory streams

Creator:: DeNicola, Dean M.
Resource Type:: Dissertation
Full Text:: . David McIntire Effects of substrate relief, irradiance and herbivory on the temporal and spatial

Biological Soil Crusts of the Great Basin : An Examination of their Distribution, Recovery from Disturbance and Restoration

Creator:: Condon, Lea A.
Abstract:: We are at risk of losing the sagebrush steppe in the floristic Great Basin to the invasion of Bromus tectorum L., cheatgrass. The floristic Great Basin includes the Central Basin and Range, the Northern Basin and Range, and the Snake River Plain. The Great Basin receives most of its precipitation...
Resource Type:: Dissertation
Full Text:: : ______________________________________________________ David A. Pyke Bruce McCune We are at risk of losing the sagebrush steppe in the

ScholarsArchive@OSU

Investigations into the physiology of nitrogen fixation : Part I. Nickel metabolism of plants and bacteria : Part II. Peroxide scavenging in soybean root nodules

Enzymatic and respiratory studies on the role of cobalt in legumes

The effects of univalent cations on the activity of particulate starch synthetase

Some properties of ribonucleotide reductase in Rhizobium species

Differential Effects of First Year Wheat Genotype on the Suppression of Take-All Disease and the Establishment of Suppressive Microbial Agents in the Rhizosphere

Seed and seedling ecology of Artemisia tridentata in a restoration context

Ozone flux in Helianthus annuus (L.)

Yield responses of invasive grasses to carbon doses

Effects of substrate relief, light intensity and herbivory on the distribution and abundance of periphyton in laboratory streams

Biological Soil Crusts of the Great Basin : An Examination of their Distribution, Recovery from Disturbance and Restoration

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