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Occurrence, transmission, and properties of strains of cucumber mosaic virus that are seed-transmitted in Phaseolus vulgaris

Creator:: Davis, Robert Francis
Abstract:: A survey of major bean (Phaseolus vulgaris) breeding programs and seed producing areas in Idaho, Washington, and Oregon was conducted to determine the occurrence of cucumber mosaic virus (CMV), recently reported to be seedborne in beans. Some 259 plants, sampled from breeding lines of diverse germplasm, were found by enzyme-linked...
Resource Type:: Dissertation
Full Text:: DEDICATED TO SALLY KIDDER DAVIS ACKNOWLEDGEMENTS I wish to express sincere gratitude to Dr. Richard O

Serological and molecular approaches for distinguishing bean common mosaic and bean common mosaic necrosis potyviruses and their respective pathogroups

Creator:: Xu, Ling, 1963-
Abstract:: Polyclonal antisera were raised against isolates of bean common mosaic virus (BCMV) and bean common mosaic necrosis virus (BCMNV) using conventional serological methods. Infected tissues containing, respectively, 22 recognized BCMV and BCMNV isolates were tested against the two antisera by antigen-coated plate (ACP) ELISA and double antibody sandwich (DAS) ELISA....
Resource Type:: Masters Thesis
Full Text:: for giving comments and corrections of this thesis, and to Drs. Thomas J. Wolpert for allowing

Cytokinin production by Agrobacterium tumefaciens

Creator:: Kaiss-Chapman, Richard Wilkinson
Abstract:: Certain plant-associated prokaryotes such as Corynebacteriurn fascians and Agrobacterium tumefaciens are known to produce substantial levels of cytokinins. In view of the fragmentary and presumptive evidence available on the quantitative and qualitative levels of cytokinins produced by A. tumefaciens, it was decided to conduct a study of the cytokinins produced...
Resource Type:: Dissertation
Full Text:: trans-io6Ado. A. tumefaciens culture filtrates were found to contain i6Ade, 6Ado, ms2i 6Ado, ms2i o

Evaluation of hop (Humulus lupulus L.) protoplast inoculation with Prunus necrotic ringspot virus

Creator:: Jochimsen, Kenneth N.
Abstract:: Hop tissue (Humulus lupulus L.) was grown in vitro in callus, suspension, and protoplast cultures. Medium components were evaluated for optimal callus growth. Solid Murashige and Skoog (MS) medium with picloram at 1.5 uM, 6-benzylaminopurine (BAP) at 10 uM, 1 g/1 casein hydrolysate, and 100 mg/1 citric acid induced white,...
Resource Type:: Masters Thesis
Full Text:: cone yield of the plant (A. Haunold, unpublished results; Thomas, 1980, Neve, 1973). NRSV is possibly

Qualitative changes in cytoplasmic proteins in plants treated with plant growth regulating chemicals

Creator:: Norris, L. A.
Abstract:: This thesis concerns the alteration of the course of selective protein synthesis and morphogenesis in plants treated with growth regulating chemicals. Treatment of 48-hour-old "Alaska" pea seedlings (Pisum sativum L.) with 2, 4-D, IAA, NAA or picloram caused inhibition of epicotyl and primary root elongation and proliferation of massed lateral...
Resource Type:: Dissertation
Full Text:: Associate Professor of Botany Redacted for Privacy Chairman ol/bepartm.ent o otany and Plant Pathology

Studies on viruses isolated from roses with rose mosaic symptoms

Creator:: Watson, Thomas Ray
Abstract:: Previous work on the rose mosaic virus has produced uncertainty concerning the identity and properties of this virus. This work was undertaken to help establish the true identity of the virus and to determine some of its properties. A mechanically transmissible virus associated with rose mosaic virus disease of Rosa...
Resource Type:: Masters Thesis
Full Text:: symptoms AN ABSTRACT OF THE THESIS OF THOMAS RAY WATSON for the M. S. in Plant Pathology (Name

Photoinduction of kaurene synthetase, an enzyme of the gibberellin biosynthetic pathway, during de-etiolation of pea seedlings

Creator:: Gomez-Navarrete, Gladys
Abstract:: Previous investigations have shown that the enzymes catalyzing the biosynthesis of the gibberellin-type of hormones from mevalonic acid in plants are compartmentalized in plastids. Moreover, the activity of one of the key enzymes in the biosynthetic sequence, kaurene synthetase, exhibits markedly enhanced activity when a dark-grown pea seedling undergoes de-etiolation...
Resource Type:: Masters Thesis
Full Text:: DE-ETIOLATION OF PEA SEEDLINGS Abstract approved: Redacted for Privacy Thomas C. Moore Previous

Physiology of senescence of the shoot apex in Pisum sativum L.

Creator:: Ecklund, Paul Richard, 1941-
Abstract:: Shoot apex senescence is defined as the collective progressive and deteriorative processes which ultimately terminate the functional life of the shoot apex. Senescence of shoot apices of Pisum sativum L. 'Alaska' as measured by cessation of stem elongation was delayed by removal of flowers and by treatment with gibberellin A₃...
Resource Type:: Dissertation
Full Text:: OF THE SHOOT APEX IN PISUM SATIVUM L. Abstract approved: Redacted for privacy Thomas C. Moore

Amino acids in tissues from healthy and crown gall infected Kalanchoe pinnata

Creator:: Harris, Raymond Gene
Abstract:: Crown gall infected and healthy Kalanchoe pinnata (Lam.) Persoon plants were analyzed for soluble amino acids. Specifically the amino acids in young leaf, mature leaf, stem, root, and gall tissues were quantitatively measured. The plants were inoculated with the bacterium, Agrobacterium tumefaciens (Smith and Townsend) Conn., on one side of...
Resource Type:: Masters Thesis
Full Text:: TISSUES FROM HEALTHY AND CROWN GALL INFECTED KALANCHOE PINNATA Abstract approved: Thomas C. Allen

Comparative gibberellin relationships in tall and dwarf peas (Pisum sativum L.)

Creator:: Anderson, James David
Abstract:: Experiments were performed to determine whether a direct correlation exists between the growth rates of tall and dwarf peas grown either in the light or in the dark and endogenous gibberellin (GA) content. Three separate but related experimental approaches were utilized: (1) the determination of possible qualitative and /or quantitative...
Resource Type:: Dissertation
Full Text:: Abstract approved: Thomas C. Moore Experiments were performed to determine whether a direct

ScholarsArchive@OSU

Occurrence, transmission, and properties of strains of cucumber mosaic virus that are seed-transmitted in Phaseolus vulgaris

Serological and molecular approaches for distinguishing bean common mosaic and bean common mosaic necrosis potyviruses and their respective pathogroups

Cytokinin production by Agrobacterium tumefaciens

Evaluation of hop (Humulus lupulus L.) protoplast inoculation with Prunus necrotic ringspot virus

Qualitative changes in cytoplasmic proteins in plants treated with plant growth regulating chemicals

Studies on viruses isolated from roses with rose mosaic symptoms

Photoinduction of kaurene synthetase, an enzyme of the gibberellin biosynthetic pathway, during de-etiolation of pea seedlings

Physiology of senescence of the shoot apex in Pisum sativum L.

Amino acids in tissues from healthy and crown gall infected Kalanchoe pinnata

Comparative gibberellin relationships in tall and dwarf peas (Pisum sativum L.)

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