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Evaluation of carotenoids and anthocyanins in high pigment, processing, heirloom and anthocyanin fruit tomatoes

Creator:: Jones, Carl M.
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Carl M. Jones for the degree of

The relationship between resistance to a severe strain (BYMV-S) and the type strain (BYMV) of bean yellow mosaic virus in Phaseolus vulgaris L.

Creator:: Tatchell, Sara Patterson
Abstract:: Twenty-eight bean breeding lines and cultivars were classified for resistance to bean yellow mosaic virus type strain 7634 (BYMV) and severe strain Gilbert 6 (BYMV-S). 'Great Northern U.I. 31' (G.N. 31) and breeding lines (S-lines) selected from a cross between G.N. 31 and O.S.C. 21 were chosen as parents for...
Resource Type:: Masters Thesis
Full Text:: also identified the severe strains of BYMV (BYMV-S) differently than Jones and Diachun. They have

Identification of cytokinin reductase in Phaseolus embryos

Creator:: Martin, Ruth C.
Abstract:: A critical balance of hormones is necessary for normal plant development. Therefore, precise mechanisms must exist to maintain proper levels of cytokinins, a group of hormones regulating cell division and differentiation. Structural modifications of the naturally occurring cytokinin, zeatin; including the oxidation, O-glycosylation and reduction of the N⁶-side chain; may...
Resource Type:: Masters Thesis
Full Text:: Reductase in Phaseolus Embryos Abstract approved: .-^^ - -'-s' —S. Mok A

Isozyme banding patterns and embryo development in interspecific crosses of Phaseolus

Creator:: Guo, Mei
Abstract:: Interspecific hybridization between Phaseolus vulgaris and P. coccineus results in the formation of either mature F₁ seeds or abnormal embryos, depending on the direction of the cross. However, normal as well as abnormal embryos occur in the reciprocal F₂ populations. The exact cause of abnormal embryo development is unknown. To...
Resource Type:: Masters Thesis
Full Text:: Embryo Development in Interspecific Crosses of Phaseolus. Abstract approved:_ Dr. David W. S

Weed suppression in vegetables with residues of 'micah' barley (Horedeum vulgare L.) and other spring cereals

Creator:: Chongwe, Edgar Happy
Abstract:: Three experiments whose objectives were to investigate cover crop kill by winter freeze, weed suppression by 'Micah' barley and other spring cereals, and allelopathic potential of cereal covers were conducted at the Vegetable Research Farm and in the greenhouse and growth chamber facilities at OSU in 1989/90. Kill by winter...
Resource Type:: Masters Thesis
Full Text:: , Drs. Ray D. William, Russell S. Karow and N.S. Mansour for their assistance and guidance in this

The effects of kernel feeding by brown marmorated stink bug (Halyomorpha halys: Hemiptera: Pentatomidae) on commercial hazelnuts (Corylus avellana L.)

Creator:: Hedstrom, Christopher S.
Abstract:: Halyomorpha halys (brown marmorated stink bug, Hemiptera: Pentatomidae), an invasive insect pest, has established populations in the Willamette Valley of Oregon. Halyomorpha halys is a potential pest of many specialty crops in the Willamette Valley, including hazelnuts (Corylus avellana L.). The objectives of this study were to 1) characterize the...
Resource Type:: Masters Thesis
Full Text:: Bug (Halyomorpha halys: AN ABSTRACT OF THE THESIS OF Christopher S. Hedstrom for the degree of

Aspects of manganese nutrition in filbert trees

Creator:: Silberman, Ricardo S.
Abstract:: Lime was applied at different rates to filbert trees grown in containers in an acid soil. As lime application rate increased, the leaf Mn and extractable soil Mn were significantly reduced. In control trees leaf Mn was over 1300 ppm, but no growth reduction or Mn toxicity symptoms were found....
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Ricardo S. Silberman for the

Soil temperature suppression on growth and yield of potato (Solanum tuberosum L.) in warm climates of Sri Lanka

Creator:: Tharmarajah, S. K.
Abstract:: Potato (Solanum tuberosum L.) is one of the most productive and nutritious food crops. Due to its adaptability to cool climates, production in Sri Lanka has been restricted to erosion-prone highlands. Vast potential exists for expansion of potato cultivation in the lowlands while production areas in the highlands are limited...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF S. K. Tharmarajah for the degree

Effects of Diet and Humidity on Drosophila suzukii Flight Performance

Creator:: Wong, Jessica S.
Abstract:: Drosophila suzukii is a global and economically significant pest of berries and other soft fruits. This insect can survive and reproduce under a wide variety of environmental conditions and with a substantial number of cultivated and wild hosts. Management of D. suzukii is commonly done with chemical control strategies. However,...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Jessica S

Propagation of the filbert, Corylus avellana L. by seedage and graftage

Creator:: Nussbaum, Emily S.
Abstract:: The filbert is propagated by layerage and a faster method is needed to keep pace with the rapidly expanding industry and the demand for new cultivars. Propagation by seedage and graftage were the two methods selected for evaluation in the research. Seed experiments were initiated to identify optimum treatments for...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Emily S. Nussbaum for. the degree

ScholarsArchive@OSU

Evaluation of carotenoids and anthocyanins in high pigment, processing, heirloom and anthocyanin fruit tomatoes

The relationship between resistance to a severe strain (BYMV-S) and the type strain (BYMV) of bean yellow mosaic virus in Phaseolus vulgaris L.

Identification of cytokinin reductase in Phaseolus embryos

Isozyme banding patterns and embryo development in interspecific crosses of Phaseolus

Weed suppression in vegetables with residues of 'micah' barley (Horedeum vulgare L.) and other spring cereals

The effects of kernel feeding by brown marmorated stink bug (Halyomorpha halys: Hemiptera: Pentatomidae) on commercial hazelnuts (Corylus avellana L.)

Aspects of manganese nutrition in filbert trees

Soil temperature suppression on growth and yield of potato (Solanum tuberosum L.) in warm climates of Sri Lanka

Effects of Diet and Humidity on Drosophila suzukii Flight Performance

Propagation of the filbert, Corylus avellana L. by seedage and graftage

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