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Filtering by: Alternative title ssim Row spacing, nitrogen affect bean yields Remove constraint Alternative title ssim: Row spacing, nitrogen affect bean yields Contributor advisor sim Kronstad, Warren E. Remove constraint Contributor advisor sim: Kronstad, Warren E. Degree Level Master's Remove constraint Degree Level: Master's

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Influence of planting density on spike size and grain yield in five winter wheat cultivars

Creator:

Wang, Shi Ping, 1956-

Resource Type:

Masters Thesis

Full Text:

yield in five winter wheat cultivars AN ABSTRACT OF THE THESIS OF Shiping Wang for the degree of
Effect of row spacings, seeding rates and nitrogen fertilizer rates on the agronomic performance of Yamhill and Hysolop wheat (Triticum aestivum L.)

Creator:

Chemli, Mohamed

Abstract:

The response of two newly released cultivars of winter wheat when grown under different row spacings, seeding rates and nitrogen levels were investigated. Measurements made included grain yield, tiller number per unit area, plant height, 300 kernel weight, bushel weight and protein content of the grain. Hyslop and Yamhill cultivars...

Resource Type:

Masters Thesis

Full Text:

/ha seeding rate. Also at the 15. 24 cm row spacing, 112 kg/ha of nitrogen gave the greatest yield
Interrelation of the components of grain yield in a cross between dwarf and semidwarf wheat (Triticum aestivum L.) cultivars

Creator:

Medina, Luis E.

Abstract:

Parents and progeny populations from a cross of 'Stephens'x 'Tibet dwarf' were grown in a spaced-planted experiment to obtain information concerning the nature of inheritance and possible associations between grain yield and the components of yield. Agronomic traits measured on an individual plant basis were: heading date, days to maturity,...

Resource Type:

Masters Thesis

Full Text:

with grain yield is critical if selection is to be effective. Success in increasing yields depends on
Performance of cultivars, hybrids and composites of winter wheat (Triticum aestivum L. em Thell) grown at three locations

Creator:

Verges, Ruben P.

Abstract:

The objective of this study was to compare three genetically different groups of winter wheat for their grain yield. Experimental material consisted of parental lines grown in pure stands, hybrids, and 1:1 mixtures of the parental combinations. Three sites were employed to evaluate possible interactions between the different groups across...

Resource Type:

Masters Thesis

Full Text:

competitor and depressed the yields of other lines in various combinations. However, the overall yield
Time and duration of growth stages and subsequent grain yield in selected wheat cultivars (Triticum aestivum L. em Thell)

Creator:

Choi, Byung Han

Abstract:

The need to develop a shorter life cycle wheat cultivar which would be more adapted to multiple cropping systems prompted this study. Thus the following information was obtained. Greatest variations in developmental patterns were found in the stem elongation, booting, inflorescence emergence and anthesis for five winter and five spring...

Resource Type:

Masters Thesis

Full Text:

varied among cultivars in terms of grain yield. Most cultivars produced their highest yields in the 13
Inheritance and association of earliness and grain yield in four winter x spring wheat crosses (Triticum aestivum L. em Thell.)

Creator:

Firat, Ahmet Ertug

Abstract:

Parental and segregating populations derived from four winter x spring wheat crosses were investigated to obtain information concerning the inheritance and association of earliness, grain yield and yieldrelated traits. Feasibility of selecting in early generations for these characteristics was also evaluated. Four winter wheat cultivars (Hyslop, Yamhill, Bezostaia 1, and...

Resource Type:

Masters Thesis

Full Text:

were sown by hand to ensure accuracy in spacing of 20 cm within the row in all experiments. A semi
Influence of different nitrogen and moisture levels on the expression of grain yield and protein content in selected wheat (Triticum aestivum, L. em Thell) and barley (Hordeum vulagre, L. em Lam.) cultivars

Creator:

Gomez-Pando, Luz

Abstract:

This investigation was conducted to provide information regarding 1) the relationship between the nitrogen percentage in the vegetative tissue of wheat and barley at various growth stages with grain protein and 2) to evaluate the possible association between grain yield and grain protein as influenced by different cultivars, nitrogen levels...

Resource Type:

Masters Thesis

Full Text:

nitrogen and moisture levels on the expression of grain yield and protein content in selected wheat
Yield loss assessment in nonprotected winter wheat varieties (Triticum aestivum, L. em Thell)

Creator:

Camacho Casas, Miguel Alfonso

Abstract:

The effects of some soil- and foliar-borne biotic factors on grain yield and the components of yield were evaluated using five winter wheat varieties sown at two dates. Within each planting date, varieties were grown under four different combinations of two soil treatments (fumigation and nonfumigation) and two foliar treatments...

Resource Type:

Masters Thesis

Full Text:

yield per 60 81 cm row, harvest index and 300-kernel weight recorded from a split-plot design for a
The effects of tillage systems and seeding dates on grain yields of wheat (Triticum aestivum Vill., Host) on the Anatolian Plateau of Turkey

Creator:

Zinn, Thomas G.

Abstract:

Wheat (Triticum aestivum) is the major food crop produced on the Anatolian Plateau of Turkey where due to limited rainfall the farmers follow the traditional system of fallow farming. They are presently producing an average of 1.15 tons of grain per hectare during the crop year. This rate of production...

Resource Type:

Masters Thesis

Full Text:

cannot be reached by a disc drill. Although spring rains affect yield, it was concluded that timing of
Influence of phosphorous and lime application on root growth and grain yield of two winter wheat cultivars (Triticum Aestivum, L em thell)

Creator:

Boulger, Mary Caroline

Abstract:

Differential grain yield response of two winter wheat cultivars ('Yamhill' and'McDermid) when grown on acid soils prompted this investigation. Root samples were taken at two soil depths at late tillering and anthesis from plots established on an acid nonpareil soil in Douglas County, Oregon. The soil pH was 5.2-5.3 and...

Resource Type:

Masters Thesis

Full Text:

vs. yield (Figure 4A) reveals that low grain yields and low root length were consistently

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Academic Affiliation

Crop Science10
Agronomic Crop Science5
Crop and Soil Science5

Advisor

Kronstad, Warren E.20

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1972 to 1997

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Committee Member

McCuistion, W. L.3
Hayes, Patrick2
Hayes, Patrick M.2
Karow, Russ2
Mundt, Christopher2
more Committee Members »

Creator

Abdennadher, Mourad1
Albahouh, Muhammed S.1
Ammar, Karim1
Boulger, Mary Caroline1
Camacho Casas, Miguel Alfonso1
more Creators »

Date

Date range begin – Date range end

Current results range from 1972 to 1996

View distribution

Decade

1990-19996
1980-19898
1970-19796

Degree Field

Crop Science14
Agronomic Crop Science4
Crop and Soil Science2

Degree Level

Master's[remove]20

Degree Name

Master of Science (M.S.)20

Language

English [eng]20

Non-Academic Affiliation

Oregon State University. Graduate School20

Peer Reviewed

No20

Resource Type

Masters Thesis20

Rights Statement

Copyright Not Evaluated20

Subject

Wheat3
Wheat -- Breeding3
Wheat -- Varieties3
Winter wheat -- Yields2
Barley1
more Subjects »

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