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Nature of inheritance, genotype-environment interaction and association of selected agronomic characters in crosses of winter X spring wheats (triticum aestivum L. em Thell)

Creator:: Brajcich, P.
Abstract:: This investigation was motivated by the apparent increase in genetic variability resulting from the systematic combining of gene pools represented by winter and spring types of wheats. It was the objective of this study to provide information regarding the nature of this genetic variability for nine agronomic characters in populations...
Resource Type:: Dissertation
Full Text:: association of selected agronomic characters in crosses of winter X spring wheats (triticum aestivum L. em

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:: Effect of moisture stress on yield and quality of winter

Relationships between net carbon exchange and associated environmental and physiological factors in soft white winter wheat (Triticum aestivum L.)

Creator:: Stanwood, Phillip Charles
Resource Type:: Dissertation
Full Text:: . Combining ability and gene action estimates association of the components of yield in winter wheat Ph. D

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:: (Name) Ph. D. (Degree) in FARM CROPS presented on July 29, 1970 (Major) Title: EVALUATION OF THREE

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:: components of grain yield in winter wheat (Triticum aestivum, L. em Thell) AN AlISTRACT OF THE THESIS OF

Adaptability of winter wheat cultivars to dryland conditions and their response to water stress

Creator:: Keim, Don Lee
Abstract:: Winter wheat cultivars (Triticum aestivum) were evaluated for their response to water stress and adaptability to a wide range of moisture limited environments. Grain yield was analyzed for ten cultivars at six locations across four years. Regression of the cultivar mean on the year-location mean was used as a measure...
Resource Type:: Dissertation
Full Text:: : ADAPTABILITY OF WINTER WHEAT CULTIVARS TO DRYLAND CONDITIONS AND THEIR RESPONSE TO WATER STRESS Abstract

A study of methods of parental evaluation using testers to predict subsequent progeny performance in winter wheat (Triticum aestivum L.)

Creator:: Alexander, William Larry
Abstract:: The major objective of this study was to determine why certain winter wheat cultivars, when hybridized, will produce a greater proportion of desirable plants in subsequent, segregating generations. Three winter wheat parents were chosen as the experimental material, based on their known performance as parents. Yamhill and Pullman Selection 101...
Resource Type:: Dissertation
Full Text:: 26.59 a 1978 Testers Paha 17. 1 b 74.0 a 31.35 d 39. 55 b Sprague 20. 5 ab 61. 8 b 36.34 d 46. 07 b

The influence of plant densities on gene action estimates and associations in seven winter wheat parents and their F₂ progeny

Creator:: Saini, Surinder Kumar
Abstract:: The F₂ progeny from a diallel cross involving seven winter wheat parents along with the parents were grown at the Hyslop Agronomy Farm near Corvallis, Oregon to determine the influence of three plant densities on gene action estimates for yield and its primary components. The plant densities were designed to...
Resource Type:: Dissertation
Full Text:: ) Title: The Influence of Plant Densities on Gene Action Estimates and Associations in Seven Winter Wheat

Combining ability and gene action estimates and the association of the components of yield in winter wheat crosses

Creator:: Kronstad, Warren E. (Warren Ervind), 1932-
Abstract:: A diallel cross consisting of ten parents was grown on the Hyslop Agronomy Farm near Corvallis, Oregon, in order to obtain estimates of the gene action contributing to yield and its components in wheat. Gene action estimates were obtained by two methods of diallel analysis and from narrow sense heritability...
Resource Type:: Dissertation
Full Text:: association of the components of yield in winter wheat crosses AN ABSTRACT OF THE THESIS OF Warren Ervind

The effect of water injection at seeding in dry soil on the germination and growth of winter wheat (Triticum aestivum L.)

Creator:: Noori, Fariborz
Abstract:: Stand establishment plays a significant role in the development and yield of winter wheat (Triticum aestivum L.). Availability of soil moisture to the germinating seed is one of the most critical factors affecting stand establishment. Water injection is a method of applying supplemental moisture to the soil in direct contact...
Resource Type:: Dissertation
Full Text:: the germination and growth of winter wheat (Triticum aestivum L.) AN ABSTRACT OF THE THESIS OF

ScholarsArchive@OSU

Nature of inheritance, genotype-environment interaction and association of selected agronomic characters in crosses of winter X spring wheats (triticum aestivum L. em Thell)

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

Relationships between net carbon exchange and associated environmental and physiological factors in soft white winter wheat (Triticum aestivum L.)

Evaluation of three methods of selection in relation to yield and yield stability in winter wheat (Triticum aestivum Vill., Host)

Compensating effects and gene action estimates for the components of grain yield in winter wheat (Triticum aestivum, L. em Thell)

Adaptability of winter wheat cultivars to dryland conditions and their response to water stress

A study of methods of parental evaluation using testers to predict subsequent progeny performance in winter wheat (Triticum aestivum L.)

The influence of plant densities on gene action estimates and associations in seven winter wheat parents and their F₂ progeny

Combining ability and gene action estimates and the association of the components of yield in winter wheat crosses

The effect of water injection at seeding in dry soil on the germination and growth of winter wheat (Triticum aestivum L.)

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