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The effect of row spacing, rate and date of planting on yield and yield components of four winter wheat cultivars (Triticum aestivum L. em Thell)

Creator:: Nadjib, Benacef
Abstract:: Four winter wheat cultivars, Bezostaya, Maris-Hobbit, Roussalka and Stephens, selected on the basis of the diversity of their pedigree and phenotype, were planted at Hyslop Experiment Station near Corvallis in Western Oregon to study their performance at three different row spacings (10, 16 and 24 cm), three seeding rates (100,...
Resource Type:: Masters Thesis
Full Text:: presented on June 1, 1982 Title: The Effect of Row Spacing , Rate and Date of Planting on Yield and Yield

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

Effects of growth retardant and nitrogen level on growth, development and yield of Yamhill wheat

Creator:: Nounamo, Laurent
Abstract:: Increases in wheat production due to breeding may be reaching a plateau. The application of N-fertilizer beyond optimum levels leads to lodging and to an increase in tiller death. The use of plant growth regulators (retardants) may be an answer for future increases in production. Experiments were conducted in 1983...
Resource Type:: Dissertation
Full Text:: seeding rate of 110 kg per hectare on October 10, 1983. The row spacing was 7 inches. Nitrogen rates and

Effects of nitrogen applied on wheat straw on winter wheat (Triticum aestivum L.) yields in western Oregon

Creator:: Caputo, John Anthony
Abstract:: Nitrogen deficiency during the winter where winter wheat (Triticum aestivum L.) follows wheat and large amounts of straw have been plowed down has been a factor limiting yield in the Willamette Valley of western Oregon. Field experiments were established to determine if an application of N on the stubble or...
Resource Type:: Masters Thesis
Full Text:: of Nitrogen Applied on Wheat Straw on Winter Wheat (Triticum a,tivum L.) Yields in Western Oregon z7

The effects of rates of nitrogen and dates of planting on winter wheat varieties in the Columbia Basin

Creator:: Beutler, Laurn Kemp
Resource Type:: Masters Thesis
Full Text:: tendency for yield to de- crease with an increase in row spacing up to about 12 to 14 inches, Thurman

Effect of seed size, seeding rate and irrigation on yield and yield components of spring wheat (Triticum aestivum L.)

Creator:: Rotta, Benigno
Resource Type:: Masters Thesis
Full Text:: yields were averaged over varieties and seeding rates. Yield increases were due to the production of

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

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

The effect of seeding rate on yield and yield components of two winter wheat varieties

Creator:: Rana, Prakriti Shumshere Jung Bahadur
Abstract:: Wheat is an important cereal crop in the Willamette Valley of Oregon and the stiff-strawed, high-yielding varieties are the predominant types grown. Observation of the effect of seeding rates on the yield and yield components are useful in determining which of the components contributes most to the yield of a...
Resource Type:: Masters Thesis
Full Text:: in that yield increased with increasing seeding rates and the highest yields were obtained with

ScholarsArchive@OSU

The effect of row spacing, rate and date of planting on yield and yield components of four winter wheat cultivars (Triticum aestivum L. em Thell)

Effect of row spacings, seeding rates and nitrogen fertilizer rates on the agronomic performance of Yamhill and Hysolop wheat (Triticum aestivum L.)

Effects of growth retardant and nitrogen level on growth, development and yield of Yamhill wheat

Effects of nitrogen applied on wheat straw on winter wheat (Triticum aestivum L.) yields in western Oregon

The effects of rates of nitrogen and dates of planting on winter wheat varieties in the Columbia Basin

Effect of seed size, seeding rate and irrigation on yield and yield components of spring wheat (Triticum aestivum L.)

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

Influence of population density on light interception and grain yield involving wheat hybrids

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

The effect of seeding rate on yield and yield components of two winter wheat varieties

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