Index Catalog // ScholarsArchive@OSU

Variation in, and the effects of vitamins on Verticillium albo-atrum

Creator:: Roth, Jonathan Nicholas
Resource Type:: Dissertation

The use of certain indicator plants for a rapid detection of root knot nematodes in soil samples

Creator:: Chantanao, Aroon
Resource Type:: Masters Thesis

The relation of chlorogenic acid and total free phenols in potato plants to resistance to infection by Verticillium albo-atrum

Creator:: Patil, Suresh S.
Resource Type:: Dissertation

The phytosociology of some vine maple communities in the Marys Peak watershed

Creator:: Anderson, Howard George
Abstract:: A study was undertaken in the Marys Peak watershed with the following objectives. First, a classification of the major plant communities was carried out. Second, some of the ecological features of Acer circinatum that account for its distribution within these communities were determined. The following plant communities are described: Corylus...
Resource Type:: Masters Thesis

The influence of tree cover and shade pattern upon the distribution of understory plants in ponderosa pine stands of central Oregon

Creator:: Robinson, Andrew Frederick, Jr.
Abstract:: Seven sites of uniform topography and soil were selected within a self perpetuating ponderosa pine forest found on the eastern flank of the central Oregon Cascades. These plots were located along a vegetational gradient caused mainly by an orographic rain shadow. Data gathered included density, frequency, and cover for all...
Resource Type:: Masters Thesis

The influence of temperature, moisture and method of application on the fungitoxicity of Mylone and Vapam

Creator:: Lambe, Robert C.
Resource Type:: Dissertation

The influence of seedbed microenvironments upon the establishment of Douglas fir (Pseudotsuga menziesii (Mirb.) Franco)

Creator:: Hermann, Richard K.
Resource Type:: Dissertation

The influence of herbaceous vegetation on coniferous seedling habitat in old field plantations

Creator:: Newton, Michael, 1932-
Abstract:: Plantation failures on abandoned pasture lands and old clearcuts are associated frequently with heavy stands of herbaceous vegetation. The competitive influence of the vegetation has been described as the causative factor of mortality, but quantitative estimates of vegetation influence are lacking. The development of chemicals with promise for selectivity in...
Resource Type:: Dissertation

The growth of seedlings of some coniferous species in a controlled environment

Creator:: Lavender, Denis Peter, 1926-
Resource Type:: Dissertation

The effects of balsam woolly aphid infestations on wood anatomy of true firs

Creator:: Doerksen, Allan Harold
Abstract:: Three species of true firs in the Pacific Northwest--Abies gran-dis, grand fir; A. amabilis, Pacific silver fir; and A. lasiocarpa, subalpine fir--are severely damaged or killed by an imported insect pest, the balsam woolly aphid (Chermes (Adelges) piceae Ratz.), Infestations of this insect cause abnormalities in the wood and, in...
Resource Type:: Masters Thesis

The effect of thiourea with and without heat on the breaking of dormancy and production of secondary dormancy in Douglas fir seeds

Creator:: Boonnitee, Aht
Resource Type:: Masters Thesis

The effect of soil moisture and temperature on survival of Verticillium microsclerotia

Creator:: Nadakavukaren, Mathew Joseph
Resource Type:: Dissertation

The coniferous ecotone of the east slope of the northern Oregon Cascades

Creator:: Swedberg, Kenneth Charles
Resource Type:: Dissertation

Temperature microenvironments associated with early stages in plant succession on Douglas-fir clear-cuts in the Oregon coast range

Creator:: Robinson, Myles Canby
Resource Type:: Masters Thesis

Taxonomy of marine nematodes occurring along Pacific Northwest coasts

Creator:: Murphy, Donald Guy
Resource Type:: Dissertation

Taxonomy and ecology of the vascular plants of Black Butte Oregon

Creator:: Johnson, John Morris
Resource Type:: Masters Thesis

Synecological features of a natural headland prairie on the Oregon coast

Creator:: Davidson, Eric Duncan
Abstract:: The study of the vegetation of one of the natural coastal prairies in Oregon was undertaken for the purpose of describing some of its synecological features. Specific objectives of the study were to describe certain plant assemblages in the study area, present phenological relationships on some of the assemblages, and...
Resource Type:: Masters Thesis

Survival and pathogenicity of Phytophthora cinnamomi Rands in forest soils

Creator:: Kuhlman, Elmer George, 1934-
Resource Type:: Dissertation

Spatial and developmental patterns of the vegetation of Black Butte, Oregon

Creator:: Sherman, Robert James
Abstract:: Black Butte presents a unique natural laboratory for ecological study. It is a volcanic cone of uniform configuration located in the rain shadow on the east flank of the Oregon Cascades. Soils are of very recent origin with no obvious development of horizons. Physical and chemical analysis revealed little dissimilarity...
Resource Type:: Dissertation

Some properties of a particulate and a soluble nitrate reductase from Rhizobium japonicum

Creator:: Lowe, Richie Howard
Resource Type:: Dissertation

ScholarsArchive@OSU

Variation in, and the effects of vitamins on Verticillium albo-atrum

The use of certain indicator plants for a rapid detection of root knot nematodes in soil samples

The relation of chlorogenic acid and total free phenols in potato plants to resistance to infection by Verticillium albo-atrum

The phytosociology of some vine maple communities in the Marys Peak watershed

The influence of tree cover and shade pattern upon the distribution of understory plants in ponderosa pine stands of central Oregon

The influence of temperature, moisture and method of application on the fungitoxicity of Mylone and Vapam

The influence of seedbed microenvironments upon the establishment of Douglas fir (Pseudotsuga menziesii (Mirb.) Franco)

The influence of herbaceous vegetation on coniferous seedling habitat in old field plantations

The growth of seedlings of some coniferous species in a controlled environment

The effects of balsam woolly aphid infestations on wood anatomy of true firs

The effect of thiourea with and without heat on the breaking of dormancy and production of secondary dormancy in Douglas fir seeds

The effect of soil moisture and temperature on survival of Verticillium microsclerotia

The coniferous ecotone of the east slope of the northern Oregon Cascades

Temperature microenvironments associated with early stages in plant succession on Douglas-fir clear-cuts in the Oregon coast range

Taxonomy of marine nematodes occurring along Pacific Northwest coasts

Taxonomy and ecology of the vascular plants of Black Butte Oregon

Synecological features of a natural headland prairie on the Oregon coast

Survival and pathogenicity of Phytophthora cinnamomi Rands in forest soils

Spatial and developmental patterns of the vegetation of Black Butte, Oregon

Some properties of a particulate and a soluble nitrate reductase from Rhizobium japonicum

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