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The examination of seed yield potential in certain genotypes of birdsfoot trefoil (Lotus corniculatus L.)

Creator:: Bresciani, Juan Carlos
Abstract:: In the last 30 years, birdsfoot trefoil (Lotus corniculatus L. ) has been recognized as a great potential source of forage. Since the 1930's, many studies have been reported in relation to birdsfoot trefoil characteristics, including some directly related with the association between seed yield and its components. The purpose...
Resource Type:: Masters Thesis
Full Text:: in improving seed yield potential. Seed yield components measured in this experiment were number of

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

Relationships of clay mineralogy to landscape stability in Western Oregon

Creator:: Taskey, Ronald D. (Ronald David), 1944-
Abstract:: Soil erosion by mass wasting is the major problem on forest lands of the Pacific Northwest, The clay fractions of soils from a large number of sites in Oregon's Western Cascades were characterized in order to determine the relationships of various clay materials to mass movements. Each site was either...
Resource Type:: Dissertation
Full Text:: fractions of soils from a large number of sites in Oregon's Western Cascades were characterized in order

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
Full Text:: additive and nonadditive gene action. Genetic differences were more readily identified for stolon number

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
Full Text:: for plant height, anthesis date, panicle number, seed yield, and fall vigor rating was determined in

Effect of moisture stress on yield and quality of winter wheat seed

Creator:: Assuncao, Marcos Vinicius
Abstract:: Two experiments were conducted to determine the effects of moisture stress on physiological changes that occur during the vegetative and reproductive stages of the wheat (Triticum aestivum L.) plant, and to relate these effects to seed yield, quality and performance. In a field experiment, different levels of moisture stress were...
Resource Type:: Dissertation
Full Text:: reduced number of seeds per spike. Seed size was the quality component most affected by moisture

Meiotic chromosome behavior in two tall fescue (Festuca arundinacea Schreb.) genotypes and their sterile hybrid

Creator:: Vásquez, Raul Moreno
Abstract:: Two diverse genotypes of tall fescue, Festuca arundinacea Schreb (6X=42), with normal fertility, produced upon intercrossing, vigorous F ₁ hybrid plants that were sterile. One parent genotype (P₁) was from P. I. 234-906, introduced from Switzerland and the other (P₉) was an introduction from Turkey, P. I. 174-209. P₁ and...
Resource Type:: Dissertation
Full Text:: process was similar in the parental and hybrid genotypes. The average number of bivalents per

An evaluation of creeping habit in various progenies of red fescue (Festuca rubra L.)

Creator:: Kim, Dal Ung
Abstract:: Thirty-three genotypes of red fescue were selected on the basis of diverse origin, anthesis date, and type of spreading from a space-planted introduction nursery. Open-pollinated, single-cross, and top-cross progeny nurseries were established into a randomized block with four replications, 20, 9, 8 entries, respectively, with nine plants per entry on...
Resource Type:: Masters Thesis
Full Text:: rows 10 feet long. Measured characteristics for this progeny test were panicle length, number of

Effect of seed size, seeding rate and irrigation on yield and yield components of spring wheat (Triticum aestivum L.)

Creator:: Rotta, Benigno
Resource Type:: Masters Thesis
Full Text:: seeding rates. Increased yields were due to a larger number of spikes /m2. 3. At a seeding rate of 228

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
Full Text:: varying degrees of univalent formation. Malik and Thomas (21) found the average number of univalents per

ScholarsArchive@OSU

The examination of seed yield potential in certain genotypes of birdsfoot trefoil (Lotus corniculatus L.)

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

Relationships of clay mineralogy to landscape stability in Western Oregon

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

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

Effect of moisture stress on yield and quality of winter wheat seed

Meiotic chromosome behavior in two tall fescue (Festuca arundinacea Schreb.) genotypes and their sterile hybrid

An evaluation of creeping habit in various progenies of red fescue (Festuca rubra L.)

Effect of seed size, seeding rate and irrigation on yield and yield components of spring wheat (Triticum aestivum L.)

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

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