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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:: grain yield on individual plants as affected by different planting densities, Darwinkel (1979

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:: seeds was the least affected by row spacing and 10 showed a slight relationship with the grain yield

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:: yield components 117 5.3 Sequential determination of yield components as affected by genotype and

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:: for Grain Yield and Protein Content in Durum Wheat Crosses (Triticum turgidum. L. var. durum). By

Possible association between grain protein content and yield as influenced by harvest index and biological yield in selected hard red winter wheat (Triticum aestivum L.) crosses

Creator:: Costa, José María
Abstract:: Grain yield and grain protein are often negatively associated in wheat. When yield increases and grain protein decreases, there can be an adverse effect on the milling and baking quality if the desired end product is bread flour. It has been suggested that this inverse association is the result of...
Resource Type:: Masters Thesis
Full Text:: yield as influenced by harvest index and biological yield in selected hard red winter wheat (Triticum

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:: being affected by the specific growing site. Plant height and the number of kernels per spike showed

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:: entries (site mean yield) for three years and their individual average yields are presented in Table 1

Time and duration of growth stages and subsequent grain yield in selected wheat cultivars (Triticum aestivum L. em Thell)

Creator:: Choi, Byung Han
Abstract:: The need to develop a shorter life cycle wheat cultivar which would be more adapted to multiple cropping systems prompted this study. Thus the following information was obtained. Greatest variations in developmental patterns were found in the stem elongation, booting, inflorescence emergence and anthesis for five winter and five spring...
Resource Type:: Masters Thesis
Full Text:: Table Page 1. Pedigree, growth habit, earliness, yield potential and 103 origin of cultivars used. 2

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:: Grain Yield Involving Wheat Hybrids by Mapangada Chengappa Ganapathy A THESIS submitted to

Heritability estimates and associations of different height levels with aluminum toxicity and grain yield in wheat

Creator:: Camargo, Carlos Eduardo de Oliveira
Resource Type:: Dissertation
Full Text:: Associatiations of Different Height Levels with Aluminum Toxicity and Grain Yield in Wheat by Carlos Eduardo de

ScholarsArchive@OSU

Influence of planting density on spike size and grain yield in five winter wheat cultivars

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

Possible compensations of the components of grain yeild in wheat (Triticum aestivum L.) as influenced by genotype by environment interactions

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)

Possible association between grain protein content and yield as influenced by harvest index and biological yield in selected hard red winter wheat (Triticum aestivum L.) crosses

Performance of cultivars, hybrids and composites of winter wheat (Triticum aestivum L. em Thell) grown at three locations

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

Time and duration of growth stages and subsequent grain yield in selected wheat cultivars (Triticum aestivum L. em Thell)

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

Heritability estimates and associations of different height levels with aluminum toxicity and grain yield in wheat

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