Index Catalog // ScholarsArchive@OSU

Intra- and interspecific interference between sweet corn (Zea mays L.) and a living mulch of white clover (Trifolium repens L.)

Creator:: Fischer, Albert J.
Abstract:: Living mulches are vegetative covers that can grow in association with row crops and may prevent soil erosion and suppress weeds. Crop reduction from association with the living mulch is a frequent problem with this cultural practice. The interference between a white clover (Trifolium repens L. "New Zealand") living mulch...
Resource Type:: Dissertation

Selective control of Cirsium arvense (L.) Scop. in Mentha piperita L. with 3,6-dichloropicolinic acid

Creator:: Whitesides, Ralph E.
Abstract:: A series of field experiments was conducted during 1975 and 1976 to examine peppermint tolerance and Canada, thistle response to Dowco 290 (3, 6- dichloropicolinic acid). Peppermint oil yield and Canada thistle density were considered most important in evaluating experimental results. Peppermint tolerance to Dowco 290 was studied in weed-free...
Resource Type:: Masters Thesis
Full Text:: .) Scop. in Mentha piperita L. with 3,6-dichloropicolinic Acid by Ralph E. White side s A Thesis

Manipulation of assimilate transport patterns as a method of studying glyphosate translocation in tall morningglory [Ipomoea purpurea (L.) Roth]

Creator:: Dewey, Steven A.
Resource Type:: Dissertation
Full Text:: purpurea (L.) Roth] 24 hours after application of 14C-gly- phosate or 14002 to a mature leaf. Under normal

Control of purple nutsedge (Cyperus rotundus L.) with glyphosate

Creator:: Chase, Richard Lyle
Resource Type:: Dissertation
Full Text:: tillage was sufficient to cause a 90% reduction in purple nutsedge (Cyperus rotundus L.) plants, while

Integrated control of tansy ragwort (Senecio jacobaea L.)

Creator:: Powers Evans, Claudia L.
Resource Type:: Masters Thesis
Full Text:: program for tansy ragwort (Senecio jacobaea L.) were studied: (a) the effects of fall and spring

Selective control of volunteer wheat (Triticum aestivum (L.) em. Thell.) in new seedlings of alfalfa (Medicago sativa L.) with fluazifop-butyl and sethoxydim

Creator:: Ott, Pablo
Abstract:: Volunteer winter wheat (Triticum aestivum 'Daws') severely suppressed growth of fall-planted alfalfa (Medicago sativa (L.) 'Vernal') seedlings. Wheat competition began soon after alfalfa emerged and continued until the first forage harvest the following May. Alfalfa yield at the first cutting was reduced by 1% for each day volunteer wheat was...
Resource Type:: Masters Thesis
Full Text:: The fact that morelE4C-labeled fluazifop was translo- cated in sunflower (Helianthus annus L.), a

The reproduction and mode of spread of sago pondweed (Potamogeton pectinatus L.) in irrigation system

Creator:: Ogg, Alex G.
Abstract:: Nine experiments were conducted during 1964 and 1965 to study the methods of reproduction and mode of spread of sago pondweed (Potamogeton pectinatus) in irrigation systems. Frequent treatments of sago pondweed foliage with aromatic solvent greatly reduced the number of tubers in the substratum of an irrigation canal. However, complete...
Resource Type:: Masters Thesis
Full Text:: PONDWEED (POTAMOGETON PECTINATUS L.) IN IRRIGATION SYSTEMS by ALEX GRANT OGG, JR. A THESIS

Biology and control of tuber oatgrass (Arrhenatherum elatius (L.) presl. var. Bulbosum (willd.) spenn.)

Creator:: Tanphiphat, Karin
Abstract:: Tuber oatgrass (Arrhenatherum elatius (L.) Presl. var. bulbosum (Willd.) Spenn.) is a perennial grass that often becomes a weed problem in Western Oregon. Control efforts using glyphosate often give unsatisfactory results. The effects of several factors on development of tuber oatgrass were investigated. Long days and cool temperatures (16/8h, 20/10C...
Resource Type:: Dissertation
Full Text:: (ARRHENATHERUM ELATIUS (L.) PRESL. VAR. BULBOSUM (WILLD.) SPENN.) by Karin Tanphiphat A THESIS submitted to

Effects of lactofen herbicide on cellular uptake of glyphosate herbicide in malva parviflora L.

Creator:: Wells, Barbara Heard
Abstract:: Time-course growth chamber studies were conducted on little mallow (Malva parviflora L.) to determine whether sublethal doses of lactofen (1'-(carboethoxy)ethyl-5-[2-chloro-4-(trifluoromethyl) phenoxy]-2- nitrobenzoate) would enhance uptake of glyphosate (N'-(phosphonomethyl) glycine) by altering membrane permeability. Lactofen-induced membrane peroxidation was determined by harvesting leaf discs, measuring stress ethylene evolution, and recording increases in...
Resource Type:: Dissertation
Full Text:: Cellular Uptake of Glyphosate Herbicide in Malva Parviflora L. by Barbara Heard Wells A THESIS

The influence of certain environmental and edaphic factors on germination and emergence of Bromus tectorum L.

Creator:: Thill, Donald Cecil, 1950-
Abstract:: The influence of certain environmental and edaphic factors on the germination and emergence of downy brome (Bromus tectorum L.) was investigated in the laboratory. A preliminary study was conducted to determine the osmotic stability of mannitol and polyethylene glycol 20,000 (PEG) solutions, which are commonly used to simulate water stress...
Resource Type:: Dissertation
Full Text:: germination of winter wheat (Triticum aestivum L.). Lacking a weed seed source of known genetic uniformity

ScholarsArchive@OSU

Intra- and interspecific interference between sweet corn (Zea mays L.) and a living mulch of white clover (Trifolium repens L.)

Selective control of Cirsium arvense (L.) Scop. in Mentha piperita L. with 3,6-dichloropicolinic acid

Manipulation of assimilate transport patterns as a method of studying glyphosate translocation in tall morningglory [Ipomoea purpurea (L.) Roth]

Control of purple nutsedge (Cyperus rotundus L.) with glyphosate

Integrated control of tansy ragwort (Senecio jacobaea L.)

Selective control of volunteer wheat (Triticum aestivum (L.) em. Thell.) in new seedlings of alfalfa (Medicago sativa L.) with fluazifop-butyl and sethoxydim

The reproduction and mode of spread of sago pondweed (Potamogeton pectinatus L.) in irrigation system

Biology and control of tuber oatgrass (Arrhenatherum elatius (L.) presl. var. Bulbosum (willd.) spenn.)

Effects of lactofen herbicide on cellular uptake of glyphosate herbicide in malva parviflora L.

The influence of certain environmental and edaphic factors on germination and emergence of Bromus tectorum L.

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