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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:: 59 LIST OF FIGURES Figure No. 1 Rotary strip-tiller operations (a) her- bicide-fertilizer band

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

Creator:: Alvarado, Renan A.
Resource Type:: Dissertation
Full Text:: . Brewster, B. D. and A. P. Appleby. 1985. Annual Report 1984- 85. Weed Control Research in Agronomic Crops

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:: percentage generally increased within a storage length as the temperature was raised from 7 to 29 C. No

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:: A proposed mechanism for diuron-induced phytotoxicity

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:: lb/A in early spring with little or no damage to swards containing a large percentage of tolerant

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:: Geiger (19) shaded leaves of sugar beet or bean and saw no change in move- ment to sink leaves, but a

Sorption and phytotoxicity of triazine herbicides in neutral and calcareous soils

Creator:: Colbert, Floyd Oral
Resource Type:: Dissertation
Full Text:: 899.4 pH 6 6 0 1302.7 LSD (.05) mg 233.9 No significant differences in barley growth occurred as a

Degradation of the herbicide EPTC in three Willamette Valley soils

Creator:: Coleman, Quentin Charles
Abstract:: EPIC (S-ethyl dipropylthiocarbamate) is a selective herbicide which controls some annual grasses, annual broadleaves, and perennial grasses when incorporated into the soil before planting. In the last few years, reports have been received of certain fields in the Willamette Valley of Oregon in which EPIC was no longer effective. Preliminary...
Resource Type:: Masters Thesis
Full Text:: no treat- ment had EPIC completely degraded in 18 days. Extender treatment A significantly

Effect of a pre-irrigation period on the activity of ethofumesate applied to dry soil

Creator:: McAuliffe, David
Abstract:: Applications of ethofumesate in Oregon have been observed from previous research and from commercial use to be less effective when applied to dry soils, even if subsequent precipitation occurred within a few days. Two field studies were established in the summer of 1979 using sweet corn (Zea mays L. 'Jubilee')...
Resource Type:: Masters Thesis
Full Text:: Effect of a pre-irrigation period on the activity of

Field bindweed : a growth stage indexing system and its relation to control with glyphosate

Creator:: Whitesides, Ralph E.
Resource Type:: Dissertation
Full Text:: they were 6 weeks old. Once a seedling plant has reached the perennial status, there is no difference

ScholarsArchive@OSU

Factors influencing metribuzin use in strip-planted wheat

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

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

A proposed mechanism for diuron-induced phytotoxicity

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

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

Sorption and phytotoxicity of triazine herbicides in neutral and calcareous soils

Degradation of the herbicide EPTC in three Willamette Valley soils

Effect of a pre-irrigation period on the activity of ethofumesate applied to dry soil

Field bindweed : a growth stage indexing system and its relation to control with glyphosate

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