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Filtering by: Contributor advisor sim Frakes, R. V. Remove constraint Contributor advisor sim: Frakes, R. V.

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The components and associated variables of seed yield in alfalfa, Medicago sativa, L.

Creator:

Taylor, George Robert

Resource Type:

Masters Thesis
Evaluation of methods of progeny testing in tall fescue seed production (Festuca arundinacea, Schreb.)

Creator:

Thomas, Johnny Ray

Abstract:

Seventeen parental clones were selected, from 9,000 plants, on the basis of self-sterility, seed and forage yield potential using phenotypic ratings, crude protein and chromogen content. The parental clones were divided into two populations based on date of maturity. Group I was intermediate in maturity and had nine parental clones,...

Resource Type:

Masters Thesis
An examination of seedling vigor and the effects of genetic diversity on response to heterosis in tall fescue (Festuca arundinacea Schreb.)

Creator:

Moutray, Jim B., 1939-

Abstract:

Response to heterosis for plant height, anthesis date, panicle number, seed yield, and fall vigor rating was determined in a tall. fescue group selected for diverse morphology, origin, and anthesis date. Parents, single-cross progeny (SX), and first generation selfed progeny (S₁) were included in the study. Each experimental plot consisted...

Resource Type:

Dissertation
Heterosis and inbreeding in the progeney of genetically diverse parental clones of Festuca arundinacea Schreb

Creator:

Johnson, Blaine Earl

Abstract:

The response of maturity, vigor, plant spread, plant height, three forage harvest yields, and total forage yield to heterosis and inbreeding was studied in tall fescue. Parent clones selected for diverse anthesis date, origin, and morphology were separated into two groups based on anthesis date, those having early maturity and...

Resource Type:

Masters Thesis
Meiotic irregularities in selected parents and their hybrids in tall fescue (Festuca aruninacea, Schreb.)

Creator:

Woodward, W. T. W. (William T. W.)

Resource Type:

Dissertation
Heritability for perloline, nitrogen, and digestibility characteristics in tall fescue (Festuca arundinacea, Schreb.) single-crosses grown in two locations

Creator:

Watson, Clarence Ellis

Abstract:

Tall fescue often results in poor liveweight gains. This may be accounted for by variations in perloline content, nitrogen content, or digestibility of the plant. Two groups of tall fescue plants were examined for each of these traits. These groups consisted of (a) fifteen single-crosses of a six parent diallel...

Resource Type:

Dissertation
Temperature x genotype effects for perloline, crude protein and total water soluble carbohydrate levels in tall fescue (Festuca arundinacea, Schreb.)

Creator:

Beuselinck, Paul Richard

Abstract:

Perloline levels have been associated with poor animal performance on tall fescue pastures. Animal performance is low when perloline levels are high. High perloline levels are reported during hot, dry weather and increased N fertilization. Tall fescue perloline levels appear to be affected by genetic and environmental differences. Positive associations...

Resource Type:

Masters Thesis
Estimators of seed yield and its components in a plant introduction nursery of tall fescue (Festuca arundinacea Schreb.)

Creator:

Deffinbaugh, Daniel D.

Abstract:

The objective of this study was to identify visual or easily measured morphological characters associated with seed yield or its components in a spaced-plant nursery of tall fescue (Festuca arundinacea Schreb.). In 1977, 26 plant characteristics were observed on 210 plants from seven different geographic regions of origin. Each origin...

Resource Type:

Masters Thesis
Heritability estimates for seed and plant characteristics in white clover (Trifolium repens L.)

Creator:

Kim, Dal Ung

Abstract:

Genetic differences, extent of hybrid vigor, nature of gene action, heritability estimates, and associations among characteristics, and between progenies and their respective mid-parents were determined for seed and plant characteristics in white clover (Trifolium repens L.). Ten seed and seedling vigor characteristics, including seed weight, ATP content in seed, seed...

Resource Type:

Dissertation
The heritability of agronomic characteristics in tall fescue (Festuca arundinacea Schreb.)

Creator:

Subhanij, Thiravira

Abstract:

Three genotypes of tall fescue (Festuca arundinacea Schreb. cultivar Fawn and four genotypes from the cultivar Fortune were used as parents to form 15 of a possible 21 single crosses to study the heritability of certain agronomic characteristics. The Fawn variety is considered to be tall in growth habit, vigorous...

Resource Type:

Dissertation

Limit your search

Academic Affiliation

Agronomic Crop Science6
Farm Crops3
Crop Science1

Advisor

Frakes, R. V.10

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1962 to 1979

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Committee Member

Chilcote, D. O.4
Chilcote, W. W.3
Bogart, Ralph2
Kronstad, W. E.2
Chilcote, Dave O.1
more Committee Members »

Creator

Beuselinck, Paul Richard1
Deffinbaugh, Daniel D.1
Johnson, Blaine Earl1
Kim, Dal Ung1
Moutray, Jim B., 1939 1
more Creators »

Date

Date range begin – Date range end

Current results range from 1962 to 1978

View distribution

Decade

1970-19798
1960-19692

Degree Field

Agronomic Crop Science6
Farm Crops3
Crop Science1

Degree Level

Doctoral5
Master's5

Degree Name

Doctor of Philosophy (Ph.D.)5
Master of Science (M.S.)5

Language

English [eng]10

Non-Academic Affiliation

Oregon State University. Graduate School10

Peer Reviewed

No9

Resource Type

Dissertation5
Masters Thesis5

Rights Statement

Copyright Not Evaluated10

Subject

Fescue7
Alfalfa1
Grasses -- Seeds1
Growth (Plants)1
Heterosis1
more Subjects »

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