Index Catalog // ScholarsArchive@OSU

Exogenous and endogenous factors related to seed germination and vigor in certain varieties of sugarbeet Beta vulgaris L.

Creator:: Kim, Syng Chul
Abstract:: Studies were conducted on the causes of low germination of monogerm sugarbeet seed grown in western Oregon. Emphasis was placed on the identification and measurement of endogenous inhibitors as related to the germination and vigor. Both qualitative and quantitative analytical methods were applied to examine the organic substances in the...
Resource Type:: Masters Thesis
Full Text:: SUGARBEET BETA VITLCIATZTS T, Redacted for Privacy-Abstract approved: David 0. Chilcote Studies were

Seed dormancy, germination and seedling vigor of some Kentucky bluegrass (Poa pratensis L.) varieties as affected by environmental and endogenous factors

Creator:: Maguire, James Dale
Abstract:: Seed of Cougar and Newport Kentucky bluegrass (Poa pratensis L.) was harvested at Pullman and Spokane at several stages of maturity. Variations in seed attributes resulting from environmental and maturity effects were evaluated through germination tests, tetrazolium staining, seed moisture and seed weight determinations. Seedling vigor was determined by .speed...
Resource Type:: Dissertation
Full Text:: ENVIRONMENTAL AND ENDOGENOUS FACTORS Abstract approved: Dr. D. O. Chilcote Seed of Cougar and Newport

The effect of defoliation and nitrogen application on the seed yield of Linn perennial ryegrass (Lolium perenne L) and Merion Kentucky bluegrass (Poa pratensis L)

Creator:: Mulanax, Matthew William
Abstract:: The effect of clipping and supplemental nitrogen application on seed production of Linn perennial ryegrass and Merion Kentucky bluegrass was studied. Clipping and nitrogen treatments did not significantly affect the seed yield of Linn perennial ryegrass during the 1967 growing season. The seed yield of Merion Kentucky bluegrass was significantly...
Resource Type:: Masters Thesis
Full Text:: PRATENSIS L) Abstract approved: Redacted for privacy David O. Chilcote The effect of clipping and

Seed dormancy in tall fescue (Festuca arundinacea Shreb.) : acquisition, effect on metabolic processes and relief by temperature and growth regulators

Creator:: Boyce, Kevin Gilbert
Abstract:: Dormancy in seed of Festuca arundinacea Shreb. was studied. The acquisition of dormancy during seed maturation was examined and the effect on dormancy relief by chemical and physical treatments was determined. The implication of endogenous growth inhibitors in dormancy imposition and maintenance was assessed. Germination responses to temperature and growth...
Resource Type:: Dissertation
Full Text:: : Redacted for Privacy Dr. David 0. Chilcote Dormancy in seed of Festuca arundinacea Shreb. was studied

Environmental and genetic factors affecting seed set in Dactylis glomerata L.

Creator:: West, David L.
Abstract:: Field, growth chamber, and greenhouse studies were carried out to evaluate factors that cause low seed set in Dactylis Glomerata L. The variety, 'Latar', and the parental clones of the variety, 'Pennlate', were studied in detail. Floral anatomy investigations indicated that 98 percent of Dactylis flowers opened at Corvallis in...
Resource Type:: Dissertation
Full Text:: Dactylis glomerata L. AN ABSTRACT OF THE THESIS OF DAVID LEE WEST for the DOCTOR Or 'DHILOSOPHY (Name

Influence of post-harvest management practices on plant growth and seed yield of cool season grasses

Creator:: Stanwood, Phillip Charles
Abstract:: Field and controlled environment chamber studies were carried out to evaluate modes of action of post-harvest treatments on the development and seed yield of cool season grasses. Red fescue (Festuca rubra L.) was used as the primary test species. There was no difference in total biomass production of red fescue...
Resource Type:: Masters Thesis
Full Text:: GRASSES Abstract approved: Redacted for Privacy Dr. David 0. Chilcote Field and controlled environment

Physiological and biochemical factors related to the differential toxicity of 3,5-dibromo-4-hydroxybenzonitrile in winter wheat (Triticum aestivum L.) and coast fiddleneck (Amsinckia intermedia Fisch & Mey)

Creator:: Barzee, Milton Arlo
Resource Type:: Dissertation
Full Text:: (Ausillohit inernedia Fisch. & Mey). Abstract approved: Redacted for Privacy Dk)vid O. Chilcote Fiddleneck

Yield, quality characteristics, and composition of Limnanthes alba seed as affected by rate, source, and date of nitrogen application

Creator:: Ayres, Thomas Arthur
Abstract:: The effect of nitrogen (N) application on seed yield of Limnanthes alba was studied for two years at two locations. Seeding following alfalfa (Medicago sativa L.) was compared to establishment after wheat (Triticum aestivum L.). Treatments used were a control (no N applied), and two rates of N (50 and...
Resource Type:: Masters Thesis
Full Text:: APPLICATION Abstract Approved: Redacted for privacy Dr. David 0. Chilcote The effect of nitrogen (N

Physiological and biochemical characteristics of two cultivars of tall fescue (Festuca arundinacea Schreb.) under different environmental conditions

Creator:: Fino, Antonio Carlos
Abstract:: Two cultivars of tall fescue (Festuca arundinacea Schreb.) with contrasting growth habits were studied under field and growth chamber conditions. Fawn, an established cultivar since 1964, and TFM, an experimental line, were observed to grow better during spring and fall months respectively, in the field. Different temperature regimes of 10/4,...
Resource Type:: Masters Thesis
Full Text:: DIFFERENT ENVIRONMENTAL CONDITIONS Abstract approved: Redacted for Privacy Dr. David 0. Chilcote Two

Lodging control and yield enhancement in Morex spring barley with paclobutrazol treatment

Creator:: Morrison, Laura A.
Abstract:: Lodging in cereals can cause significant decreases in yield. It is both a problem in susceptible cereal cultivars with a tall-stemmed, weak-strawed growing habit and in lodging-resistant cereal cultivars when they are grown under high-nitrogen, high-moisture regimes. Plant growth regulators (PGR's) are chemical growth retardants that offer a method of...
Resource Type:: Masters Thesis
Full Text:: . David 0. Chilcote Lodging in cereals can cause significant decreases in yield. It is both a problem in

ScholarsArchive@OSU

Exogenous and endogenous factors related to seed germination and vigor in certain varieties of sugarbeet Beta vulgaris L.

Seed dormancy, germination and seedling vigor of some Kentucky bluegrass (Poa pratensis L.) varieties as affected by environmental and endogenous factors

The effect of defoliation and nitrogen application on the seed yield of Linn perennial ryegrass (Lolium perenne L) and Merion Kentucky bluegrass (Poa pratensis L)

Seed dormancy in tall fescue (Festuca arundinacea Shreb.) : acquisition, effect on metabolic processes and relief by temperature and growth regulators

Environmental and genetic factors affecting seed set in Dactylis glomerata L.

Influence of post-harvest management practices on plant growth and seed yield of cool season grasses

Physiological and biochemical factors related to the differential toxicity of 3,5-dibromo-4-hydroxybenzonitrile in winter wheat (Triticum aestivum L.) and coast fiddleneck (Amsinckia intermedia Fisch & Mey)

Yield, quality characteristics, and composition of Limnanthes alba seed as affected by rate, source, and date of nitrogen application

Physiological and biochemical characteristics of two cultivars of tall fescue (Festuca arundinacea Schreb.) under different environmental conditions

Lodging control and yield enhancement in Morex spring barley with paclobutrazol treatment

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