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Freezing resistance of tissues in the twig of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco)

Creator:: Alden, John Norman
Abstract:: The relative freezing resistance of tissues in the stem, foliage and buds of terminal twigs from Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) was investigated at about ten-day intervals from summer until the following spring. Tissues from growing twigs collected before development of dormancy had no freezing resistance and were killed immediately...
Resource Type:: Dissertation

Ecotypic adaptation of Setaria lutescens (Weigel) F. T. Hubbard to alfalfa culture in California

Creator:: Schoner, Carl Arnold
Abstract:: Setaria lutescens (yellow foxtail) plants, grown from five seed sources were compared in California. Seed sources were: Connecticut, Iowa, Massachusetts, Pennsylvania and California. Morphological and physiological differences between biotypes include: plant size, growth habit, time required to mature and reproductive capa city. Most significant is the prostrate habit of the...
Resource Type:: Dissertation
Full Text:: . Frakes and Dr. Thomas C. Moore, for guidance and especially for their assistance in prepara- tion of

Paclobutrazol and nutrient treatment effects on ovation perennial ryegrass

Creator:: Turner, J. Kevin
Abstract:: Rapid tiller and root production can improve seedling survival and benefit stand establishment of perennial ryegrass (Lolium perenne L.) in commercial seed fields. Environmental conditions after establishment and inherent morphological factors combine to reduce the commercially harvested yield below the theoretical potential yield. These studies were conducted to determine if...
Resource Type:: Dissertation
Full Text:: Drs. Neil Christensen, Al Mosley, and Thomas Moore for serving as my graduate committee members and

Effects of three plant growth regulators upon growth patterns in seedlings of three races of Douglas-fir, Pseudotsuga menziesii (Mirb.) Franco

Creator:: Rietveld, W. J.
Abstract:: Populations of Douglas-fir seedlings from interior British Columbia, Vancouver Island, and Arizona received six bi-weekly foliar spray applications of the growth regulators IAA, CCC, and B-995, each at three concentration levels under controlled environmental conditions. Large differences were found among the three populations in their responses to the growth regulators....
Resource Type:: Masters Thesis

Development of oven and Karl Fischer techniques for moisture testing of grass seeds

Creator:: Benjamin, Ethan
Abstract:: Seed moisture is a primary factor influencing seed quality during harvesting, storage, and marketing of grass seed. However, the Association of Official Seed Analysts' Rules for Testing Seeds do not contain methods for moisture testing. The oven methods in use by seed testing laboratories in the U.S. are diverse and...
Resource Type:: Masters Thesis
Full Text:: during the past two years. I am grateful to Dr. Arnold P. Appleby, Dr. Thomas C. Moore and Mr. Thomas W

A kinetic analysis of herbicide degradation in soil

Creator:: Zimdahl, Robert L.
Resource Type:: Dissertation
Full Text:: with the laboratory phase of the thesis research. Dr. Thomas C. Moore, Dr. William 0. Lee, and

Stimulation of plant growth by sub-lethal concentrations of herbicides

Creator:: Wiedman, Steven John
Abstract:: Studies were conducted to determine the extent and nature of sub-lethal effects of herbicides on plant growth. At least one herbicide from each major chemical class of herbicides was evaluated under greenhouse conditions. Oat plants were grown in sand culture to eliminate soil interferences. Herbicides were applied pre-emergence in nutrient...
Resource Type:: Dissertation
Full Text:: discussions and assistance. To Drs. David 0. Chilcote, Thomas C. Moore, and V. Van Volk for serving as

Interaction between glyphosate and certain s-triazine herbicides

Creator:: Somabhi, Montien
Abstract:: Investigations were made in the field, greenhouse, growth chamber, and laboratory to: (a) observe the general activity of N- (phosphonomethyl)glycine (glyphosate); (b) determine the extent of its interaction with certain s-triazine herbicides; and (c) find an explanation for such an interaction. Greenhouse and growth chamber studies substantiated other observations that...
Resource Type:: Dissertation
Full Text:: , Dr. Thomas C. Moore, Dr. Roy 0. Morris, and Dr. Richard Astro for serving on my graduate committee

Purification and some properties of nitrogenase from soybean root nodules

Creator:: Israel, Daniel Wesley
Resource Type:: Dissertation
Full Text:: physiology have served as an inspiration during my graduate study. I thank Drs. Thomas C. Moore, Donald J

The effect of 2,4-D on the respiration rate and ethylene production of Bartlett pears and Red Delicious apples

Creator:: Fechtig, Allen David
Abstract:: After nearly 20 years of commercial use in orchards without apparent tree injury in Oregon and Washington, 2,4-D [(2,4-dichlorophenoxy) acetic acid] was reported in 1970 to cause injury to apple and pear trees in Washington. In the early 1970's, there was widespread concern among growers, researchers, and processors in the...
Resource Type:: Dissertation
Full Text:: . David Chilcote, C. E. Horner, Thomas C. Moore, and Darwin Reese has been a valuable contribution in

ScholarsArchive@OSU

Freezing resistance of tissues in the twig of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco)

Ecotypic adaptation of Setaria lutescens (Weigel) F. T. Hubbard to alfalfa culture in California

Paclobutrazol and nutrient treatment effects on ovation perennial ryegrass

Effects of three plant growth regulators upon growth patterns in seedlings of three races of Douglas-fir, Pseudotsuga menziesii (Mirb.) Franco

Development of oven and Karl Fischer techniques for moisture testing of grass seeds

A kinetic analysis of herbicide degradation in soil

Stimulation of plant growth by sub-lethal concentrations of herbicides

Interaction between glyphosate and certain s-triazine herbicides

Purification and some properties of nitrogenase from soybean root nodules

The effect of 2,4-D on the respiration rate and ethylene production of Bartlett pears and Red Delicious apples

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