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Filtering by: Subject Winter wheat -- Yields Remove constraint Subject: Winter wheat -- Yields

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Agronomic performance of six winter wheat dwarfing sources when crossed to isogenic lines for Norin 10 Rht loci

Creator:

Pedretti, Ricardo

Abstract:

Six genetically diverse dwarfing sources of winter wheat were compared to four isogenic lines for the height reducing genes Rht₁ and Rht₂. Parents and generations through the F₃ including backcrosses to the respective parents were analyzed. Seedling response to gibberellic acid and tests for allelism for plant height were employed...

Resource Type:

Dissertation
Nitrogen timing and placement effects on grain and plant nitrogen, and grain yield in hard red winter wheat

Creator:

Bohle, Mylen G.

Abstract:

Hard red winter wheat has the potential to be an alternative crop in the Pacific Northwest, however percent grain nitrogen has been unacceptably low and grain yields have been about only 80% of soft white winter wheat. During the late spring and the summer months there is usually little rainfall,...

Resource Type:

Masters Thesis
Possible association between grain protein content and yield as influenced by harvest index and biological yield in selected hard red winter wheat (Triticum aestivum L.) crosses

Creator:

Costa, José María

Abstract:

Grain yield and grain protein are often negatively associated in wheat. When yield increases and grain protein decreases, there can be an adverse effect on the milling and baking quality if the desired end product is bread flour. It has been suggested that this inverse association is the result of...

Resource Type:

Masters Thesis
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
Biology of Bromus rigidus : interference in winter wheat, seed longevity in the soil, and vernalization requirements for flowering

Creator:

Gleichsner, Jean Ann

Resource Type:

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

Creator:

Wang, Shi Ping, 1956-

Resource Type:

Masters Thesis
Possible association of grain protein content, harvest index and biological yield in winter wheat populations

Creator:

Costa, Jose Maria

Abstract:

A negative relation between grain protein content and grain yield is frequently observed in wheat (Triticum aestivum L. em Thell) i.e. as grain yield increases, grain protein decreases. It has been suggested that the inverse relation between grain yield and protein is in part the result of developing high yielding...

Resource Type:

Dissertation
Quantitative trait loci mapping of yield, its related traits, and spike morphology factors in winter wheat (Triticum aestivum L.)

Creator:

Gaynor, Robert C.

Abstract:

Increasing grain yield in wheat (Triticum aestivum L.) is a challenging task, because yield is a complex trait controlled by many genes and highly influenced by environmental factors. The genetic control of yield components and other traits associated with yield may be less complex and thus more manageable for breeding....

Resource Type:

Masters Thesis

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Academic Affiliation

Crop Science6
Crop and Soil Science2

Advisor

Kronstad, Warren E.5
Appleby, Arnold P.1
Bolton, Floyd E.1
Peterson, C James1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1988 to 2011

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Committee Member

Thomas, David2
Adams, T.1
Bagget, J. R.1
Baggett, James1
Bedell, Tom1
more Committee Members »

Creator

Costa, Jose Maria2
Bohle, Mylen G.1
Gaynor, Robert C.1
Gleichsner, Jean Ann1
Pedretti, Ricardo1
more Creators »

Date

Date range begin – Date range end

Current results range from 1987 to 2010

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Decade

2010-20191
1990-19992
1980-19895

Degree Field

Crop Science7
Crop and Soil Science1

Degree Level

Master's5
Doctoral3

Degree Name

Master of Science (M.S.)5
Doctor of Philosophy (Ph.D.)3

Language

English [eng]8

License

All rights reserved1

Non-Academic Affiliation

Oregon State University. Graduate School8

Peer Reviewed

No8

Resource Type

Masters Thesis5
Dissertation3

Rights Statement

Copyright Not Evaluated7
In Copyright1

Subject

Winter wheat -- Yields[remove]8
Food -- Protein content2
Winter wheat -- Quality2
Bromegrasses -- Control1
Dwarfism in plants -- Genetic aspects1
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