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Hare barley (Hordeum murinum ssp. leporinum) biology and management in cool season perennial grass pastures of western Oregon

Creator:: Haavisto, Jessica Lee
Abstract:: Hare barley (Hordeum murinum ssp. leporinum) is a cool season annual grass that invades pastures and range areas around the world. A documented weed management issue in several Oregon counties, hare barley may infest several thousand acres in western Oregon. This study was conducted to investigate the biology and develop...
Resource Type:: Masters Thesis
Full Text:: states including Oregon. In Oregon, hare barley is documented as a weed management issue in perennial

Multiple-resistant Italian ryegrass (Lolium perenne spp. multiflorum) populations in Oregon

Creator:: Liu, Mingyang
Abstract:: Italian ryegrass (Lolium perenne spp. multiflorum) is a common weed management problem in turfgrasses, cereals and non-crop areas in the United States. In Oregon, the number of populations with multiple-resistance continues to increase. To manage these resistant populations, the resistance patterns must be determined. In this study, five Italian ryegrass...
Resource Type:: Masters Thesis
Full Text:: in farmland throughout U.S. In Oregon, Italian ryegrass is a competitive weed in winter wheat

Some factors influencing the chemical control of annual grasses in Festuca arundinacea Schreb

Creator:: Bayer, David E.
Resource Type:: Masters Thesis
Full Text:: Typos of Fertilizers Applied in March at the Rate of 60 Pouncs Nitrogen per Acre on the Weed Control

The distribution, growth habits, and control of German velvetgrass (Holcus mollis L.) in Western Oregon

Creator:: Lee, William O., 1911-
Abstract:: A study was conducted on German velvetgrass (Holcus mollis L.), a weedy, rhizomateous perennial grass introduced in the United States in relatively recent years, The purpose of this study was to learn more about its distribution, growth habits, and control under conditions found in Western Oregon. German velvetgrass infestations of...
Resource Type:: Dissertation
Full Text:: Distribution, Growth Habits, and Control of Gerrnan Velvet Grass (Holcus rnol.lis L. ) in Western Oregon

Seed depth influence on position of the growing point and chemical control of wild proso Millet (Panicum miliaceum L.)

Creator:: Fernandez Mendez, Raquel J.
Abstract:: Wild proso millet (Panicum miliaceum L.) is a serious weed recently infesting sweet corn fields in the Willamette Valley of western Oregon. Field and greenhouse experiments were conducted to determine the importance of seed depth in the position of the growing point of wild proso millet seedlings and in the...
Resource Type:: Masters Thesis
Full Text:: .) is a serious weed recently infesting sweet corn fields in the Willamette Valley of western Oregon

Death weed or poverty weed [1968]

Creator:: Warren, Rex, Oregon State University. Extension Service, Washington State University. Extension Service, University of Idaho. Agricultural Extension Service, and Youngberg, Harold Wayne, 1929-
Abstract:: Published June 1968. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Other
Full Text:: weed. Death weed or poverty weed is a perennial herb widely distributed throughout eastern Oregon. It

Weed management for giant reed (Arindo donax) biomass production in Oregon

Creator:: Attarian, Amir
Abstract:: Giant reed (Arundo donax L.) is a candidate to provide feedstock for the Portland General Electric power plant in Boardman, Oregon. Giant reed is a fast perennial grass, producing 23-27 metric tons ha⁻¹ of biomass and has the ability to adapt to diverse environments making it a good candidate for...
Resource Type:: Masters Thesis
Full Text:: importance of weed management and control in the newly established fields in Oregon, it is necessary to

Weed suppression in vegetables with residues of 'micah' barley (Horedeum vulgare L.) and other spring cereals

Creator:: Chongwe, Edgar Happy
Abstract:: Three experiments whose objectives were to investigate cover crop kill by winter freeze, weed suppression by 'Micah' barley and other spring cereals, and allelopathic potential of cereal covers were conducted at the Vegetable Research Farm and in the greenhouse and growth chamber facilities at OSU in 1989/90. Kill by winter...
Resource Type:: Masters Thesis
Full Text:: 1989/90. Complementary usage of herbicides and residues for weed control is suggested. Residues

The effects of defoliation on yellow starthistle (Centaurea solstitialis L.) reproductive capacity

Creator:: Schumacher, Stacy
Abstract:: Yellow starthistle (Centaurea solstitialis L.) is an introduced Asteraceae that has become established on 10 million acres in the Pacific Northwest and California. This weed functions as an annual or short-lived perennial and depends on seeds for reproduction. Strategies of control that reduce plant fitness or lower seed production or...
Resource Type:: Masters Thesis
Full Text:: northeastern Oregon 47 14. Percent infestation of yellow starthistle seedheads of biological control agents

Small broomrape (Orobanche minor) biology and management in red clover (Trifolium pratense) seed production

Creator:: Lins, Ryan D.
Abstract:: Small broomrape (Orobanche minor) is a parasitic weed that attaches to the roots of red clover (Trifolium pratense). Small broomrape invasion presents a significant threat to the future of red clover seed production in Oregon. This study was conducted to investigate and develop small broomrape management options for red clover...
Resource Type:: Dissertation
Full Text:: . Broomrape (Orobanche cumana) control in sunflower (Helianthus annuus) with imazapic. Weed Technol. 15:306

ScholarsArchive@OSU

Hare barley (Hordeum murinum ssp. leporinum) biology and management in cool season perennial grass pastures of western Oregon

Multiple-resistant Italian ryegrass (Lolium perenne spp. multiflorum) populations in Oregon

Some factors influencing the chemical control of annual grasses in Festuca arundinacea Schreb

The distribution, growth habits, and control of German velvetgrass (Holcus mollis L.) in Western Oregon

Seed depth influence on position of the growing point and chemical control of wild proso Millet (Panicum miliaceum L.)

Death weed or poverty weed [1968]

Weed management for giant reed (Arindo donax) biomass production in Oregon

Weed suppression in vegetables with residues of 'micah' barley (Horedeum vulgare L.) and other spring cereals

The effects of defoliation on yellow starthistle (Centaurea solstitialis L.) reproductive capacity

Small broomrape (Orobanche minor) biology and management in red clover (Trifolium pratense) seed production

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