Index Catalog // ScholarsArchive@OSU

The effect of 2,4-D on the respiration rate and ethylene production of Bartlett pears and Red Delicious apples

Creator:: Fechtig, Allen David
Abstract:: After nearly 20 years of commercial use in orchards without apparent tree injury in Oregon and Washington, 2,4-D [(2,4-dichlorophenoxy) acetic acid] was reported in 1970 to cause injury to apple and pear trees in Washington. In the early 1970's, there was widespread concern among growers, researchers, and processors in the...
Resource Type:: Dissertation
Full Text:: column. Following esterification with a 5-ml aliquot of 11% BF3 methanol, the methyl ester of 2,4-D was

The herbicide HOE 23408; soil persistence, spring wheat cultivar tolerance, and interaction with broadleaf herbicides

Creator:: Ivackovich, Branislav D.
Abstract:: HOE 23408 [ 4-(2' , 4'-dichlorophenoxy)-phenoxy-u-propionic methylester.1 is a promising new compound for control of wild oats and other grass weeds in small grains. Several factors influencing its use for this purpose were investigated. Greenhouse bioassay studies were conducted in 1975 to determine relative persistence of HOE 23408 in four...
Resource Type:: Masters Thesis
Full Text:: Broadleaf Herbicides by Branislav D. Ivackovich A THESIS submitted to Oregon State University in

The control of colonial bentgrass (Agrostis tenuis Sibth.) with N-(phosphonomethyl) glycine

Creator:: Brewster, Bill D.
Resource Type:: Masters Thesis
Full Text:: application date ranged among the six application dates from 15-71% with 1 lb/A, 48-87% with 2 lb/A, and 78

An evaluation of weed interference in rice grown on hydromorphic soils in West Africa

Creator:: Diop, Amadou Makhtar
Abstract:: Field, screenhouse, and laboratory experiments were conducted to study weed interference in rice grown on hydromorphic soils at the International Institute of Tropical Agriculture (IITA) at Ibadan, Nigeria. Rice and weeds emerged at the same time, 1 week after planting. Weed dry weight was significantly reduced when the crop was...
Resource Type:: Dissertation
Full Text:: , and M. Palada of RCMP program. I also thank E. Deganus, D. Osiru, K. Dashill, L. Jackai, A. Goldman

Some physiological and biochemical aspects of haloxyfop herbicidal activity alone or mixed with dicamba

Creator:: Alvarado, Renan A.
Resource Type:: Dissertation
Full Text:: involved in root uptake of haloxyfop similar to the results of Donaldson (7) with 2,4-D. At a pH of 6.5

Factors influencing metribuzin use in strip-planted wheat

Creator:: Zeghida, Ali
Abstract:: Equipment for strip-till planting is under development in wheat-fallow rotations in the Columbia Basin of Oregon. This involves the absence of tillage during the fallow season. At planting time, the strip-till planter creates a narrow band into which the wheat seed is placed. The area between the rows is undisturbed...
Resource Type:: Masters Thesis
Full Text:: onto untilled area, (d) seed. 4 plowing (27), but it thrives in a minimum tillage situation and is

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:: ; (c) glyphosate transfers from apoplast to the phloem with relative ease; and (d) glyphosate has a

Asulam in western Oregon pastures : broadleaf dock control and tolerance of important grass and legume species

Creator:: Majek, Bradley A.
Abstract:: In previous research in Europe, asulam (methyl sulfanilylcarbamate) was found to be a potentially useful herbicide for controlling broadleaf dock Rumex obtusifolius L. ) in permanent pastures. Asulam was also reported to have a low margin of safety when used on common pasture species. Field studies were conducted in western...
Resource Type:: Masters Thesis
Full Text:: check, 2. 0 lb asulam/A, 4. 0 lb asulam/A, and 3. 0 lb 2, 4 -D L.V.E./ A. The asulam rates were

Germination and growth characteristics of five accessions of jointed goatgrass (Aegilops cylindrica)

Creator:: Gleichsner, Jean A.
Abstract:: Laboratory and field studies were conducted at Pendleton, Oregon, during 1983 and 1984 to evaluate germination and growth characteristics of five jointed goatgrass (Aegilops cylindrica Host) accessions collected from sites in Echo, Ione, Pendleton, Condon, and Elgin, Oregon. Spikelets were germinated for 27 days at room (23 +̲ 2 C)...
Resource Type:: Masters Thesis
Full Text:: 5.4 d 4.3 de 10.8 b 23 0.3 h 1.0 f-h 0.2 h 5.6 d 8.0 c 4.8 d 19.4 a 29 0.0 i 0.1 h 0.1 h 0.7 g-h 3.2 d

A proposed mechanism for diuron-induced phytotoxicity

Creator:: Stanger, Charles Earl, 1929-
Abstract:: Previous research has shown that specific carotenoid pigments function through oxidation-reduction reactions to protect chlorophyll from photooxidation in the presence of reduced nicotinamide adenine dinucleotide phosphate (NADP). The hypothesis that diuron (3-(3, 4- d chloropheny1)-1, 1-dimethylurea) initiates phytotoxicity by inhibition of NADPH synthesis was examined. All experiments were conducted in...
Resource Type:: Dissertation
Full Text:: concentration of 0.3 mg/cc. The treatments included (a) control, (b) diuron, (c) ascorbate + DPIP, and (d

ScholarsArchive@OSU

The effect of 2,4-D on the respiration rate and ethylene production of Bartlett pears and Red Delicious apples

The herbicide HOE 23408; soil persistence, spring wheat cultivar tolerance, and interaction with broadleaf herbicides

The control of colonial bentgrass (Agrostis tenuis Sibth.) with N-(phosphonomethyl) glycine

An evaluation of weed interference in rice grown on hydromorphic soils in West Africa

Some physiological and biochemical aspects of haloxyfop herbicidal activity alone or mixed with dicamba

Factors influencing metribuzin use in strip-planted wheat

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

Asulam in western Oregon pastures : broadleaf dock control and tolerance of important grass and legume species

Germination and growth characteristics of five accessions of jointed goatgrass (Aegilops cylindrica)

A proposed mechanism for diuron-induced phytotoxicity

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