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Filtering by: Committee Member McCuistion, Willis L. Remove constraint Committee Member: McCuistion, Willis L. Language English [eng] Remove constraint Language: English [eng] Non-Academic Affiliation Oregon State University. Graduate School Remove constraint Non-Academic Affiliation: Oregon State University. Graduate School

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Estimates of heterosis in winter/winter, winter/spring, and spring/spring crosses of barley (Hordeum vulgare L.)

Creator:

Oakley, Stephen Roland

Abstract:

Previous work indicated a substantial heterotic expression for grain yield existed within winter/spring hybrids of barley, This research was a continuation for the comparison of the expression of heterosis within winter/spring hybrids to the heterotic effect produced among the winter and among the spring parents. The F₁ and F₂ progenies...

Resource Type:

Masters Thesis

Full Text:

vulgare L.) Abstract approved: Redacted for Privacy 1,7 Willis L. McCuistion Previous work indicated a
The effect of fertility level on plant growth and development, water uptake and water stress in dryland wheat production

Creator:

Agamennoni, Raul Jose

Abstract:

Dryland winter wheat in eastern Oregon is usually subjected to water stress several times during the growing period. Moreover, the last three months of growth period depend strongly on the available soil water. The fertility level, stage of growth, availability of soil water and climatic conditions all interact to determine...

Resource Type:

Masters Thesis

Full Text:

the first year of the research program. I should also extend special thanks to Dr. Willis L
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:

L. McCuistion, Roger G. Petersen and C. J. Weiser for serving on my graduate committee and
Methods of evaluation, effects of intermating and results of one cycle of S₁ family recurrent selection in barley

Creator:

Mareck, James

Abstract:

The focus of this study was to determine if S₁ family recurrent selection might be successfully used for barley improvement. Objectives were: 1) to identify suitable methods of evaluating grain yield in small plots, 2) to study the effects of intermating on mean values and variances of selected agronomic characters,...

Resource Type:

Dissertation

Full Text:

to thank my graduate committee: Drs. William D. Hohenboken, Willis L. McCuistion, David L. Willis
Assessment of resistance and inheritance to Barley Yellow Dwarf Virus disease (BYDV) in five wheat cultivars (Triticum aestivum L.)

Creator:

Tola, Jaime

Abstract:

Barley Yellow Dwarf Virus (BYDV) is a major disease of wheat. Unfortunately, unlike barley where the Yd2 gene provides adequate levels of resistance, the situation in wheat is more complex. This study was designed to provide information regarding: 1) evaluation of methods of measuring resistance among selected cultivars; 2) identification...

Resource Type:

Dissertation

Full Text:

thesis. Appreciation is extended to Drs. Willis L. McCuistion, Roger G. Petersen, Thomas C. Allen
Identification and development of cultural practices for upland rice production systems for savanna soils of Colombia

Creator:

Leal-M, Dario

Abstract:

A great potential for increasing upland rice production exists in the savanna soils of Colombia. These vast areas are currently underutilized. However, they have good soil structure, flat topography, coupled with sufficient and well distributed rainfall, making savanna soils ideal for upland rice cropping system. The major constraints to upland...

Resource Type:

Dissertation

Full Text:

to Dr. Willis L. McCuistion, Thomas L. Jackson, David G. Faulkenberry and Stanley F. Miller for
Influence of competition on combining ability estimates and subsequent prediction of progeny performance in wheat (Triticum aestivum L. em Thell.)

Creator:

Corral, Leonardo R.

Resource Type:

Dissertation

Full Text:

also want to express my appreciation to Drs. William D. Hohenboken, Willis L. McCuistion, Dallice I
A comparison of three systems of phenotypic selection for grain yield in three spring barley populations

Creator:

Hayes, Patrick M.

Abstract:

Concerns regarding the most effective means of evaluating segregating generations of spring barley prompted this investigation. Three methods of selection were considered: bulk, pedigree, and single seed descent. F₆ lines derived by each method were grown in a replicated yield trial. The effectiveness of each method was measured in terms...

Resource Type:

Masters Thesis

Full Text:

the members of my committee: Dr. Willis McCuistion, Dr. Roger Petersen, and Dr. Bruce Mackey. To
Characterization of Triticum turgidum ssp. carthlicum (Nevski) Löve et Löve by discriminant analysis

Creator:

Vieira, Luiz Gonzaga E.

Abstract:

Forty-six morphological characters were used in a study of Triticum turgidum ssp. carthlicum (2n = 28) and specimens of carthlicum-like forms of Triticum aestivum ssp. vulgare (2n = 42). The morphological variation patterns within these groups were examined using stepwise discriminant analysis. These results indicate that specimens studied could be...

Resource Type:

Masters Thesis

Full Text:

thank, too, Dr. Roger Petersen, Dr. Willis McCuistion, and Dr. Paul Doescher for accepting the
Factors influencing metribuzin use in strip-planted wheat

Creator:

Zeghida, Ali

Abstract:

Equipment for strip-till planting is under development in wheat-fallow rotations in the Columbia Basin of Oregon. This involves the absence of tillage during the fallow season. At planting time, the strip-till planter creates a narrow band into which the wheat seed is placed. The area between the rows is undisturbed...

Resource Type:

Masters Thesis

Full Text:

Solution 32 and metribuzin on downy brome (Bromus tectorum L.), the effect of Solution 32 on downy brome

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Academic Affiliation

Crop Science19
Agronomic Crop Science1
Botany and Plant Pathology1
General Science1
School of Oceanography1

Advisor

Kronstad, Warren E.16
Appleby, Arnold P.1
Bolton, Floyd E.1
Kimeldorf, Donald J.1
Mccuistion, Willis L.1
more Advisors »

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1971 to 1986

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Committee Member

McCuistion, W. L.8
McCuistion, Willis L.7
McCuistion, Willis4
Petersen, R. G.4
Petersen, Roger G.4
more Committee Members »

Creator

Agamennoni, Raul Jose1
Alexander, William Larry1
Boinnet, Jerry K. K.1
Camacho Casas, Miguel Alfonso1
Choi, Byung Han1
more Creators »

Date

Date range begin – Date range end

Current results range from 1971 to 1985

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Decade

1980-198920
1970-19793

Degree Field

Crop Science19
Agronomic Crop Science1
Botany and Plant Pathology1
General Science1
Oceanography1

Degree Level

Master's13
Doctoral10

Degree Name

Master of Science (M.S.)13
Doctor of Philosophy (Ph.D.)10

Language

English [eng][remove]23

Non-Academic Affiliation

Oregon State University. Graduate School[remove]23

Peer Reviewed

No23

Resource Type

Masters Thesis13
Dissertation10

Rights Statement

Copyright Not Evaluated23

Subject

Wheat -- Genetics5
Wheat3
Wheat -- Breeding3
Wheat -- Disease and pest resistance2
Barley1
more Subjects »

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