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The influence of various levels of nitrogen and potassium fertilizer on yield and performance of seed potatoes (Solanum tuberosum, L.)

Creator:: Mead, Richard M.
Resource Type:: Masters Thesis
Full Text:: writing of this thesis. I would also like to thank Dr. H. W. Youngberg, Dr. E. H. Gardner and Dr. R. E

Tillering, lodging, dry matter partitioning, and seed yield in ryegrass (Lolium spp.) as affected by the plant growth regulator paclobutrazol

Creator:: Hunter, James L.
Abstract:: Seed yield in ryegrass (Lolium spp.) is the product of the number of fertile tillers per unit area and seed weight per spike at maturity. These components of yield develop through a series of growth stages beginning with tiller bud initiation and finishing with seed filling. Environmental conditions during plant...
Resource Type:: Masters Thesis
Full Text:: . Appreciation is extended to Dr. H. W. Youngberg, Dr. E. H. Gardner, and Dr. T. E. Bedell for serving as

Association between length of grain filling period and grain yield in two wheat populations (Triticum aestivum L. em Thell.)

Creator:: Min, Hwang Kee
Abstract:: The objective of this study was to determine interrelationships among agronomic traits in early and late maturing populations. Two populations were obtained from the crosses, Roussalka/Tesopaco 76 and Yamhill/Aspen. Seeds were space planted with split plot design and nine agronomic traits were observed. In comparative studies between early and late...
Resource Type:: Masters Thesis
Full Text:: . McCuistion, Dr. W. E. Kronstad, Dr. R. G. Peterson, and Dr. H. J. Mack for their advice and reviewing my

Assay of the trypsin inhibitor activity in seeds of triticale

Creator:: Yao, Tsui-Li
Abstract:: Triticale, a newly man-made cereal from a wheat-rye cross offers a unique food and feed potential because of its higher protein content with nutritionally balanced amino acid composition as compared to other cereal grains. However, some cereal proteins such as trypsin inhibitors, present in triticale and rye, can affect the...
Resource Type:: Masters Thesis
Full Text:: . 3 Chanoes in Soluble protein Content of 24 Seeds Stored in Condition D anc E Results Ex:. 1

Effect of scald (Rhynchosporium secalis) on yield and yield components of twelve winter barley (Hordeum vulgare) genotypes

Creator:: Zencirci, Nusret
Abstract:: The effects of scald epidemics, induced by Rhynchosporium secalis (Oud.) Davis, on the yield and quality of winter malting barley have not been reported. The principal objective of this investigation was to assess yield and quality losses in resistant and susceptible winter barley genotypes in diverse environments of the Pacific...
Resource Type:: Masters Thesis
Full Text:: his guidance and friendship during the course of this study. I further want to thank Drs. W. E

Modeling phyllochron in wheat and barley

Creator:: Cao, Weixing
Abstract:: An understanding of the effect of environment on phyllochron (degree-days between two successive leaves) is necessary to model cereal crop canopy growth. This study was designed to investigate the relationships of phyllochron to temperatures and daylengths in winter wheat (Triticum aestivum L.) and spring barley (Hordeum vulgare L.). A series...
Resource Type:: Dissertation
Full Text:: to Drs. W. E. Kronstad, P. J. Breen, R. G. Petersen, and R. Dick for serving on my graduate

Gametophytic selection in barley (Hordeum vulgare L.)

Creator:: Schon, Chris-Carolin
Resource Type:: Masters Thesis
Full Text:: in barley. Theor Appi Genet 63:367-371 Brown AHD, Lawrence GJ, Jenkin M, Douglass J, Gregory E (1989

Natural outcrossing in spaced planted F₂ populations and solid seeded advanced generations of wheat (Triticum aestivum L. em Thell)

Creator:: Boinnet, Jerry K. K.
Abstract:: This study was conducted to investigate the possible contamination of foreign pollen at different stages of a wheat breeding program. These included spaced planted F₂ segregating populations, replicated yield trials and seed multiplication. The experimental wheat materials consisted of four different F₂ populations, four cultivars and two experimental lines. Two...
Resource Type:: Masters Thesis

A comparison of two methods of divergent mass selection for heading date in two winter wheat (Triticum aestivum L. em Thell) crosses

Creator:: Frederickson, Leslie John
Abstract:: Responses to two cycles of mass selection for heading date, followed by selfing or intermating, were studied in two diverse winter wheat (Triticum aestivum L. em. Thell) crosses. Selection was bidirectional, resulting in early and late populations for each mating system, cycle, and cross. The influence of mass selection for...
Resource Type:: Dissertation
Full Text:: gratitude to Dr. W. E. Kronstad for his guidance and support throughout the pursuit of this study. A

A comparison of four methods of selection for the improvement of grain yield in winter by spring wheat crosses (Triticum aestivum, L. em Thell)

Creator:: Oritiz Ferrara, Guillermo
Resource Type:: Dissertation
Full Text:: . L. McCuistion, Dr. W. E. Kronstad, Dr. F. A. Cholick, Dr. Robert L. Powelson, Dr. Kenneth E. Rowe

ScholarsArchive@OSU

The influence of various levels of nitrogen and potassium fertilizer on yield and performance of seed potatoes (Solanum tuberosum, L.)

Tillering, lodging, dry matter partitioning, and seed yield in ryegrass (Lolium spp.) as affected by the plant growth regulator paclobutrazol

Association between length of grain filling period and grain yield in two wheat populations (Triticum aestivum L. em Thell.)

Assay of the trypsin inhibitor activity in seeds of triticale

Effect of scald (Rhynchosporium secalis) on yield and yield components of twelve winter barley (Hordeum vulgare) genotypes

Modeling phyllochron in wheat and barley

Gametophytic selection in barley (Hordeum vulgare L.)

Natural outcrossing in spaced planted F₂ populations and solid seeded advanced generations of wheat (Triticum aestivum L. em Thell)

A comparison of two methods of divergent mass selection for heading date in two winter wheat (Triticum aestivum L. em Thell) crosses

A comparison of four methods of selection for the improvement of grain yield in winter by spring wheat crosses (Triticum aestivum, L. em Thell)

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