Index Catalog // ScholarsArchive@OSU

A systematic study of the subfamily Dicyphinae (Heteroptera:Miridae)

Creator:: Cassis, Gerasimos
Abstract:: A systematic study of the subfamily Dicyphinae Reuter (Heteroptera: Hiridae) resulted in a redefinition of the subfamily and included genera) and a revision of the genus Dicyphus Fieber in the Western Hemisphere. The study entailed examination of about 14,000 specimens, including numerous noudicyphine, cimicomorphan taxa to assess character transformations. New...
Resource Type:: Dissertation

A taxonomic study of bitterbrush (Purshia tridentata (Pursh) DC.) in Oregon

Creator:: Alderfer, Jean Marie
Abstract:: Extensive morphological and growth habit variations have been reported for bitterbrush (Purshia tridentata), a widespread western shrub frequently used in range revegetation projects. Hybridization of this species occurs with cliffrose (Cowania stansburiana) at the point of their overlapping range in Utah and is believed to be responsible for expression of...
Resource Type:: Masters Thesis

Response of Cuscuta campestris and Cuscuta indecora to glyphosate applied after attachment to alfalfa (Medicago sativa)

Creator:: Fessehaie, Rezene
Abstract:: The response to glyphosate [N-(phosphonomethyl) glycine] of two dodder species Cuscuta campestris Yuncker (field dodder) and Cuscuta indecora Chiosy (largeseed dodder) parasitizing alfalfa (Medicago sativa L.) was compared. In the absence of glyphosate, alfalfa was killed or severely injured by parasitism from uncontrolled dodder. Results of field experiments in which...
Resource Type:: Masters Thesis
Full Text:: the field work. Dr. Anita Miller, Dr. Kenton L. Chambers, and Mr. Myron Shenk for their dedication

Cordeauxia edulis : production and forage quality in central Somalia

Creator:: Ali, Hussein Mohamed
Abstract:: Availability of evergreen forage plants during the two dry seasons in arid central Somalia is very important. Cordeauxia edulis is a multistemmed evergreen legume shrub which grows in Central Somalia in plant communities dominated by deciduous shrubs. There are two growth forms of this plant. A form with small leaflets...
Resource Type:: Masters Thesis
Full Text:: building experience. Thanks to committee members Dr. Paul S. Doescher and Dr. Kenton L. Chambers for

Effect of cereal companion crops on the establishment of red fescue (Festuca rubra L.) for seed production

Creator:: Chastain, Thomas G.
Abstract:: Some perennial grass seed crops such as red fescue (Festuca rubra L.) do not produce a profitable seed crop during the first growing season. The present establishment method in Oregon for red fescue seed crops generally entails spring planting which does not satisfy vernalization requirements for seed production in the...
Resource Type:: Masters Thesis
Full Text:: University. I am grateful to Dr. David 0. Chilcote, Dr. Kenton L. Chambers and Dr. Conrad J. Weiser for

Plant and seed development in four Cuphea species

Creator:: Kaliangile, Imanga
Resource Type:: Masters Thesis
Full Text:: this thesis. I thank Dr. Kenton L. Chambers, Dr. Steve Knapp and Dr. Harry J. Mack, my Graduate

A revision of the Nearctic species of Sympherobius Banks (Neuroptera: Hemerobiidae)

Creator:: Oswald, John D. (John David)
Abstract:: The Nearctic species of the genus Sympherobius Banks are revised. Seventeen species are recorded from the region. Two new species, S. constrictus and S. quadricuspis are described from California and Arizona respectively. Four new specific synonyms are proposed (junior synonym(s) first): S. brunneus Nakahara and S. stangei Nakahara = S....
Resource Type:: Masters Thesis
Full Text:: committee, Drs. Kenton L. Chambers, Jefferson J. Gonor and Paul Oman. Fellow graduate studens Gary M

A systematic study of the genus Phytocoris Fallén (Heteroptera:Miridae) in western North America

Creator:: Stonedahl, Gary Michael
Abstract:: The western Nearctic species of the genus Phytocoris Fallen were taxonomically revised. Over 15,000 specimens were examined. Information concerning host plant associations and distributions was compiled and summarized for use by future researchers. External morphological features and characters of the male genitalia were used to distinguish species. The genital tubercles...
Resource Type:: Dissertation
Full Text:: . Kenton L. Chambers, Robert E. Frenkel, James D. Hall, and William P. Stephen, for their comments on the

Description of the plant communities and succession of the Oregon coast grasslands

Creator:: Ripley, James Douglas
Abstract:: In an effort to describe the plant communities and succession of the Oregon coastal grasslands, vegetation and environmental data were collected from 75 stands at 24 separate locations ranging from Cape Falcon in Tillamook County to Cape Ferrelo in Curry County. The vegetation data consisted of cover and frequency values...
Resource Type:: Dissertation
Full Text:: thank the other members of my graduate committee, Professors Kenton L. Chambers, Garvin D. Crabtree

A taxonomic revision of the Nearctic species of Apateticus Dallas and Podisus Herrich-Schaeffer (Heteroptera:Pentatomidae:Asopinae)

Creator:: Phillips, Kathryn Ann
Resource Type:: Dissertation
Full Text:: the members of my thesis committee, Drs. Arnold P. Appleby, Kenton L. Chambers, Paul L. Farber

ScholarsArchive@OSU

A systematic study of the subfamily Dicyphinae (Heteroptera:Miridae)

A taxonomic study of bitterbrush (Purshia tridentata (Pursh) DC.) in Oregon

Response of Cuscuta campestris and Cuscuta indecora to glyphosate applied after attachment to alfalfa (Medicago sativa)

Cordeauxia edulis : production and forage quality in central Somalia

Effect of cereal companion crops on the establishment of red fescue (Festuca rubra L.) for seed production

Plant and seed development in four Cuphea species

A revision of the Nearctic species of Sympherobius Banks (Neuroptera: Hemerobiidae)

A systematic study of the genus Phytocoris Fallén (Heteroptera:Miridae) in western North America

Description of the plant communities and succession of the Oregon coast grasslands

A taxonomic revision of the Nearctic species of Apateticus Dallas and Podisus Herrich-Schaeffer (Heteroptera:Pentatomidae:Asopinae)

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