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Filtering by: Creator Johnson, Colin P. Advisor Kronstad, Warren E. Decade 1960-1969

Genotype-environment interaction in winter wheat F₁ progeny

Creator:

Peterson, C. J.

Abstract:

Seven winter wheats were evaluated for plant height, the components of yield and yield in a diallel cross at Pendleton, Oregon and Lind, Washington. An additional parent was added to the diallel cross at Pullman, Washington. Two levels of nitrogen and five replications were utilized at each of the locations....

Resource Type:

Dissertation

Full Text:

length would be a limiting factor (Johnson and Schmidt, 1968). 4 Frankel (1958) pointed out that in
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:

ability of the ith (jth) parent 1 P (p -2) PXi.- 2 x.. Specific combining ability of ith and jth parent
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:

half of the leaves in the corn plant, Johnson (1953) and Pendleton and Weibel (1965), working with