Index Catalog // ScholarsArchive@OSU

Negative effect of purple loosestrife and reed canary grass on the diversity of wetland plant and moth communities

Creator:: Schooler, Shon
Abstract:: Invasive plants have the potential to reduce the diversity of species in plant and animal communities. I examined the negative effect of two invasive wetland plants, purple loosestrife and reed canary grass, on the species richness and diversity of plant and moth communities within 24 wetland study sites in the...
Resource Type:: Dissertation
Full Text:: Plant and Moth Communities. Invasive plants have the potential to reduce the diversity of species in

Epichloë typhina (fungus) - Botanophila lobata (fly) interaction : an invasive "pollinator" system in its introduced range in western Oregon

Creator:: Kaser, Joseph M.
Abstract:: Epichloë typhina (Ascomycetes: Clavicipitaceae) is an endophytic fungus that infects perennial Pooid grasses and is the causal agent of choke disease. It is endemic to Europe and was inadvertently introduced into orchardgrass seed production fields in western Oregon. Choke disease, which was first recorded in Oregon in 1996, currently infects...
Resource Type:: Masters Thesis
Full Text:: variability and reproductive success of E. typhina and B. lobata were estimated during surveys of ten

Insect pests affecting clover in Oregon

Creator:: Anderson, Ernest Clifford
Resource Type:: Masters Thesis
Full Text:: become pests of major im- portance and need further investigation and study. INSECT PESTS

A survey of alfalfa pollinators and polination in the San Joaquin Valley of California with emphasis on establishment of the alkali bee

Creator:: Torchio, Philip F.
Abstract:: The study involves the establishment, management, and behavioral observations of Nomia melanderi Cockerell and Megachile rotundata (Fabricius) in California, a survey of native bees within western Fresno County, a determination of selfing and/or parthenocarpy in two fields of alfalfa, and observations on the honeybee as an alfalfa pollinator. The alkali...
Resource Type:: Masters Thesis
Full Text:: A survey of alfalfa pollinators and polination in the San

Labops hesperius Uhler : biology and impact of Oregon rangelands (Hemiptera: Miridae)

Creator:: Todd, James Gordon
Abstract:: The seasonal development and habits of Labops hesperius Uhler were studied in rangeland seeded to intermediate wheatgrass (Agropyron intermediurn (Host) Beauv. ) in Baker County, Oregon, The first nymphs appeared on March 22, and required about one week to complete each of the five nymphal stadia. Most small nymphs stayed...
Resource Type:: Masters Thesis
Full Text:: approved: Redacted for privacy A. Kamm The seasonal development and habits of Labops hesperius Uhler

Biology of Cnephasia longana Haworth : an insect pest of several important crops in Oregon

Creator:: Edwards, W. D. (William Donald), 1904-
Resource Type:: Masters Thesis
Full Text:: Biology of Cnephasia longana Haworth : an insect pest of

The SELCTV database : the susceptibility of arthropod natural enemies to agricultural pests to pesticides

Creator:: Theiling, Karen M.
Abstract:: Documentation of the side effects of pesticides on arthropod natural enemies has expanded rapidly since the 1950's as part of an increase in non-target side effects literature. Most reviews have been based on empirical analysis of selected literature. The SELCTV database was developed to make a larger information base accessible...
Resource Type:: Masters Thesis
Full Text:: , as well as testing and pest management philosophies. The study of diverse natural enemy responses

Insect pests of economic importance on cereal crops in the Senegal River Basin, West Africa

Creator:: Sy, Adama
Abstract:: Cereal crops cultivated in Mali, Mauritania and Senegal consist primarily of sorghum, millet, rice and maize. They form the gramineous crops that, are programmed for the agricultural improvement of the Senegal River Basin. Twelve economically important insect pests on these crops were selected for study and treated with regard to...
Resource Type:: Masters Thesis
Full Text:: Distribution of Major Groups of Pests 21 Crop Losses and Current Pest Control 23 Monographs of Selected

Biology of some Oregon rain bettles, Pleocoma spp., associated with fruit trees in Wasco and Hood River counties

Creator:: Ellertson, Floyd Elroy
Resource Type:: Dissertation
Full Text:: ., associated with fruit trees in Wasco and Hood River counties BIOLOGY OF SOtE OREGON RAIN B TLES , PLEOCO

The parasite complex of the pea aphid, Acyrthosiphon pisum (Harris) on alfalfa in western Oregon

Creator:: Dickie, Alfred Gordon
Abstract:: This study was initiated in the Spring of 1966 for the purpose of determining the present status and effectiveness of imported parasitic wasps of the pea aphid in the Willamette Valley of western Oregon. The pea aphid is a serious pest throughout the pea and alfalfa growing regions of the...
Resource Type:: Masters Thesis
Full Text:: pest throughout the pea and alfalfa growing sections of the United States and Canada. Plants attacked

ScholarsArchive@OSU

Negative effect of purple loosestrife and reed canary grass on the diversity of wetland plant and moth communities

Epichloë typhina (fungus) - Botanophila lobata (fly) interaction : an invasive "pollinator" system in its introduced range in western Oregon

Insect pests affecting clover in Oregon

A survey of alfalfa pollinators and polination in the San Joaquin Valley of California with emphasis on establishment of the alkali bee

Labops hesperius Uhler : biology and impact of Oregon rangelands (Hemiptera: Miridae)

Biology of Cnephasia longana Haworth : an insect pest of several important crops in Oregon

The SELCTV database : the susceptibility of arthropod natural enemies to agricultural pests to pesticides

Insect pests of economic importance on cereal crops in the Senegal River Basin, West Africa

Biology of some Oregon rain bettles, Pleocoma spp., associated with fruit trees in Wasco and Hood River counties

The parasite complex of the pea aphid, Acyrthosiphon pisum (Harris) on alfalfa in western Oregon

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