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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. Language English [eng] Remove constraint Language: English [eng]

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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
Estimates of genetic variability and efficiency of early generation selection for grain yield and protein content in durum wheat crosses (Triticum turgidum. L. var. durum)

Creator:

Rezgui, Salah

Resource Type:

Dissertation

Full Text:

. ........ . ............. . ...... 67 17a, Relationships between grain yield (GY) and protein content (P) measured on a per row
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
Compensating effects and gene action estimates for the components of grain yield in winter wheat (Triticum aestivum, L. em Thell)

Creator:

Abi-Antoun, Michel

Abstract:

Five winter wheat cultivars and their diallel crosses were evaluated for plant height, harvest index, deading-maturity duration, the components of yield, (spikes per plant, spikelets per spike, kernel weight and kernels per spikelet)and total plant yield. Two diverse locations, Moro, a dryland site (250 mm annually) located in central Oregon...

Resource Type:

Dissertation

Full Text:

affect grain yield such as disease and lodging resistance and if yield increases were realized it was
Nitrate reductase activity in leaves and its relationship to nitrogen yield in four spring barley (Hordeum vulgare L.) cultivars

Creator:

Lovato, Claudio

Resource Type:

Dissertation

Full Text:

to Nitrogen Yield in Four Spring Barley (Hordeum Vulgare L.) Cultivars AN ABSTRACT OF THE THESIS OF
Influence of population density on light interception and grain yield involving wheat hybrids

Creator:

Ganapathy, Mapangada Chengappa

Abstract:

Six wheat hybrids from two sets of parents and their respective parents were grown at Hyslop Agronomy Farm near Corvallis, Oregon in the year 1965-66. The object of the experiment was to evaluate the influence of population densities and different planting patterns on grain yield and factors which determine grain...

Resource Type:

Dissertation

Full Text:

intercepted. Increased population density per unit area and closer row spacing increased the percentage of
Evaluation of three methods of selection in relation to yield and yield stability in winter wheat (Triticum aestivum Vill., Host)

Creator:

Charoenwatana, Terd, 1937-

Abstract:

The effectiveness of early generation selection for yield and yield stability and the possible identification of superior parental combinations were studied in winter wheat populations representing different levels of genetic diversity. Experimental material for evaluating yield stability consisted of nine bulk and seven modified bulk populations derived from nine parental...

Resource Type:

Dissertation

Full Text:

increased grain yield. In the past increased yields have resulted, for the most part, from developing
Possible compensations of the components of grain yeild in wheat (Triticum aestivum L.) as influenced by genotype by environment interactions

Creator:

Bedoshvili, David

Abstract:

Despite many investigations genotype by environment interaction remains one of the least understood factors in plant improvement. Understanding genotypic differences responsible for such interactions could assist in making more informed breeding decisions. The components of yield being less complex than grain yield per se may be useful for selection to...

Resource Type:

Dissertation

Full Text:

14. 1999. Title: Possible Compensations of the Components of Grain Yield in Wheat (Triticum

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Academic Affiliation

Crop Science27
Agronomic Crop Science14
Crop and Soil Science11
Farm Crops2

Advisor

Kronstad, Warren E.56

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1968 to 2000

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Committee Member

Hayes, Patrick6
McCuistion, W. L.6
Thomas, David5
Frakes, R. V.4
Hayes, Patrick M.4
more Committee Members »

Creator

Ammar, Karim2
Camacho Casas, Miguel Alfonso2
Choi, Byung Han2
Daaloul, Abderrazak2
Abdennadher, Mourad1
more Creators »

Date

Date range begin – Date range end

Current results range from 1968 to 1999

View distribution

Decade

1990-199915
1980-198924
1970-197916
1960-19691

Degree Field

Crop Science36
Agronomic Crop Science13
Crop and Soil Science3
Farm Crops2
Genetics2

Degree Level

Doctoral36
Master's20

Degree Name

Doctor of Philosophy (Ph.D.)36
Master of Science (M.S.)20

Language

English [eng][remove]56

Non-Academic Affiliation

Oregon State University. Graduate School56

Peer Reviewed

No56

Resource Type

Dissertation36
Masters Thesis20

Rights Statement

Copyright Not Evaluated55
In Copyright1

Subject

Wheat11
Wheat -- Genetics8
Wheat -- Breeding6
Wheat -- Varieties5
Winter wheat -- Yields4
more Subjects »

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