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The effects of ozone on the growth, rhizosphere population dynamics, and mycorrhizal colonization of wheat

Creator:: Kimball, Shannon M.
Resource Type:: Masters Thesis
Full Text:: second (b) harvest dates of Experiment 1 (bars represent one SE). 56 Fig. 13. Effects of ozone on

Races of bean rust, Uromyces phaseoli (Pers.) wint. var. phaseoli, in the Willamette Valley

Creator:: Hikida, Hideaki Robert
Resource Type:: Dissertation
Full Text:: ) Bountiful (No. 181)4, a conmon gsrden bean variety of the bush type; (3) a strain oÎ Califoruia Small

Effects of the northern root-knot nematode (Meloidogyne hapla Chitwood, 1949) on Mitcham peppermint (Mentha piperita L.) and Scotch spearmint (Mentha cardiaca Baker)

Creator:: Eshtiaghi, Hassan
Abstract:: The northern root-knot nematode (Meloidogyne hapla Chitwood, 1949) is a widespread pest on many plants in temperate zones such as the Pacific Northwest (U. S. A. ) Peppermint and spearmint are two major agricultural crops in Oregon and Washington with a combined annual acreage of 50, 000 to 55, 000...
Resource Type:: Dissertation
Full Text:: on peppermint roots. 36 3. Effect of M. hapla inoculum densities on shoot length two months after

Streptomycin absorption and translocation by hops (Humulus lupulus L.) and effects of streptomycin on the hop downy mildew disease

Creator:: Maier, Charles Robert
Resource Type:: Dissertation
Full Text:: , streptor.oycin-treated hop leaves . Not the effect of atreptom.tcin on sporan... g1al production, and

Studies of northern root-knot nematode (Meloidogyne hapla, Chitwood 1949) biotypes and some factors associated with their biology and pathogenicity

Creator:: Ogbuji, Rufus Omez, 1941-
Abstract:: Root-knot nematodes were among the earliest plant-parasitic nematodes to be recognized. Before 1949, they were considered as the one species Heterodera marioni (Cornu 1887) Goodey 1932. In 1949 Chitwood completed a taxonomic study of the root-knot nematodes and placed them in a separate genus Meloidogyne. Economically they are one of...
Resource Type:: Dissertation
Full Text:: (Nematology) presented on re.6 7/ (Major) (Date) Title: STUDIES OF NORTHERN ROOT-KNOT NEMATODE (MELOIDOGYNE

Seed and pollen transmission of cherry ring spot virus in buttercup squash

Creator:: Das, Chittaranjan
Resource Type:: Dissertation
Full Text:: such seeds produced diseased plants. Cheo (9, p. 18-19), during a study on the effect of seed

Megascopic plant remains from three housepits along the Applegate River, southwest Oregon

Creator:: Cole, Madeline L.
Abstract:: In 1982 a protohistoric archaeological site along the Applegate River in southwest Oregon was excavated by Oregon State University Department of Anthropology. Three housepits and a possible menstrual but were uncovered with lithic, faunal, and archaeobotanical elements recovered from house floors and hearths. Seven botanical taxa were represented by carbonized...
Resource Type:: Masters Thesis
Full Text:: of Arts in Interdisciplinary Studies in Anthropology, Botany, and Anthropology presented on February

Influence of host and non-host plants upon populations of Verticillium dahliae in soil

Creator:: Lacy, Melvyn Leroy
Abstract:: The incitant of Verticillium wilt of peppermint (Verticillium dahliae Kleb.) causes disease symptoms only in the genera Mentha (the mints) and Monarda. This fungus is unable to grow saprophytically through natural soil. V. dahliae survives in soil by colonizing and forming microsclerotia in susceptible plants, living root tissue of many...
Resource Type:: Dissertation
Full Text:: The effect of inoculurn density in soil on the yields of three Mentha species L4 Verticilliurn

Old Crops in a New World: Bringing Andean Tuber Crops to the Pacific Northwest

Creator:: Reers, Michelle
Abstract:: Though currently relatively unknown outside Latin America, Andean root and tuber crops are rapidly gaining interest elsewhere. Tubers are a major food and important sources of nutrition in South America and have potential in countries outside their center of origin. We conducted a two-part study on oca (Oxalis tuberosa), mashua...
Resource Type:: Honors College Thesis
Full Text:: Baccalaureate of Science in Botany and Honors Baccalaureate of Arts in International Studies presented on

Rhizoctonia of the potato

Creator:: Corsaut, Jesse Harrison
Resource Type:: Masters Thesis
Full Text:: greatly influence the nsture of the lesions fo~ed, but tersonsl observEtions of injuries on 20 varieties

ScholarsArchive@OSU

The effects of ozone on the growth, rhizosphere population dynamics, and mycorrhizal colonization of wheat

Races of bean rust, Uromyces phaseoli (Pers.) wint. var. phaseoli, in the Willamette Valley

Effects of the northern root-knot nematode (Meloidogyne hapla Chitwood, 1949) on Mitcham peppermint (Mentha piperita L.) and Scotch spearmint (Mentha cardiaca Baker)

Streptomycin absorption and translocation by hops (Humulus lupulus L.) and effects of streptomycin on the hop downy mildew disease

Studies of northern root-knot nematode (Meloidogyne hapla, Chitwood 1949) biotypes and some factors associated with their biology and pathogenicity

Seed and pollen transmission of cherry ring spot virus in buttercup squash

Megascopic plant remains from three housepits along the Applegate River, southwest Oregon

Influence of host and non-host plants upon populations of Verticillium dahliae in soil

Old Crops in a New World: Bringing Andean Tuber Crops to the Pacific Northwest

Rhizoctonia of the potato

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