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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:: measurable amounts of herbicide. Generally, residue levels in soil treated at the same herbicide rate

Some herbicidal properties of 2-chloro 2', 6'-diethyl - N - (methoxymethyl) acetanilide

Creator:: Grandal, Osvaldo Trivelli
Abstract:: Studies were conducted to determine the site of 2-chloro 2', 6'-diethyl-N-(methoxymethyl) acetanilide (CP 50144) toxicity on barnyardgrass (Echinocloa crusgalli (L.) (Beauv.). This was done by means of a technique which used separate layers of treated soil to expose differentially the roots and/or the shoots of barnyardgrass seedlings. Coleoptiles that emerged...
Resource Type:: Masters Thesis
Full Text:: Physical Properties of Herbicides as Related to Phytotoxicity In order to be useful as an herbicide, a

Differential sensitivity of two common groundsel biotypes (Senecio vulgaris L.) to several s-triazine herbicides

Creator:: Radosevich, Steven R.
Abstract:: Studies were initiated to determine the response of two common groundsel biotypes (Senecio vulgaris L. ) to several s-triazine herbicides. Herbicides tested were: 2-chloro-4,6-bis(ethylamino)-striazine (simazine), 2-chloro-4-(ethylamino)-6-(isopropylamino)- s-triazine (atrazine) 2-(sec-butylamino)-4-(ethylamino)-6-methoxys- triazine (GS-14254), 2, 4-bis(isopropylamino)-6-methoxy-striazine (prometone), 2-(tert-butylamino)-4-(ethylamino)-6-methylthio- s-triazine (terbutryn), and 2, 4-bis(isopropylamino)-6- methylthio-s-triazine (prometryne). One biotype was much more susceptible than the...
Resource Type:: Dissertation
Full Text:: to molar concentration are given in Appendix Table 1 for each herbicide tested. ) A preliminary

A kinetic analysis of herbicide degradation in soil

Creator:: Zimdahl, Robert L.
Resource Type:: Dissertation
Full Text:: capacity. Monthly samples were analyzed for remaining herbicide using the techniques of analytical

Factors influencing the herbicidal activity and persistence of isomers of 1, 1-dimethyl-diisopropyl-indanyl ethyl ketone in soil

Creator:: Donaldson, Dean Robert
Abstract:: The purpose of this study was to evaluate the activity of Sindone (isomers of 1, 1-dimethyl-diisopropyl-indanyl ethyl ketone) under field conditions and to gain information regarding the rate of detoxification of Sindone in soil. A series of trials were established in sugar beet fields in California, Oregon, and Washington. Sindone...
Resource Type:: Masters Thesis
Full Text:: . Apparatus for application of herbicide to tumbling soil. 2. Relative growth responses of barnyardgrass

Avoiding residues in small poultry and game bird flocks

Creator:: Oregon State University. Extension Service, Washington State University. Extension, University of Idaho. Extension, Hermes, J. C. (James C.), and Pacific Northwest Cooperative Extension
Abstract:: It is imperative that residues of these compounds be eliminated in poultry and eggs or be within the tolerances established by the U.S. Department of Agriculture and the U.S. Food and Drug Administration when your flock is marketed or eggs are sold. Commercial chicken and turkey flocks are tested for...
Resource Type:: Technical Report
Full Text:: research in which birds are fed the compound and tested for residues after slaughter. It is important to

Decomposition of Brassicaceae Residue in the Willamette Valley

Creator:: Berry, Pete A.
Abstract:: An important inoculum source of Leptosphaeria maculans and L. biglobosa (syn Plenodomus spp.), the pathogens that cause black leg in Brassicaceae crops, is infected plant residues. The general acceptance of conservation tillage in the Willamette Valley, Oregon, USA, has enabled a build-up in the amount of residue on or near...
Resource Type:: Dissertation
Full Text:: decomposition for all crops and treatments compared to soil surface. Buried residue had similar rates of

Influence of weed density on efficacy of two soil-applied herbicides

Creator:: Burrill, L. C.
Abstract:: Several studies were conducted to determine the effect of weed density on herbicide efficacy. Diuron [3-(3, 4- dichlorophenyl) -1, 1- dimethylurea] was tested on various densities of Italian ryegrass (Lolium multiflorum Lam. ) under greenhouse and field conditions. Cycloate (S-ethyl N-ethylthiocyclohexanecarbamate) was tested on green foxtail (Setaria viridis (L. )...
Resource Type:: Masters Thesis
Full Text:: density on herbicide efficacy. Diuron [3-(3, 4- dichlorophenyl) -1, 1- dimethylurea] was tested on

Foliar vs. root uptake of the herbicide Hoe 23408 in Italian ryegrass and wild oats

Creator:: West, Geralyn Marie
Abstract:: HOE 23408 [methyl 2-[ 4-( 2, 4- dichlorophenoxy )phenoxy]propanoate] is a herbicide used to selectively-control Italian ryegrass (Lolium muitiflorum Lam.) and wild oats (Avena fatua L.) in wheat. The objective of this research was to compare the relative importance of foliar and root uptake of the herbicide in these two...
Resource Type:: Masters Thesis
Full Text:: THE HERBICIDE HOE 23408 IN ITALIAN RYEGRASS AND WILD OATS Redacted for Privacy Abstract approved

Interaction between glyphosate and certain s-triazine herbicides

Creator:: Somabhi, Montien
Abstract:: Investigations were made in the field, greenhouse, growth chamber, and laboratory to: (a) observe the general activity of N- (phosphonomethyl)glycine (glyphosate); (b) determine the extent of its interaction with certain s-triazine herbicides; and (c) find an explanation for such an interaction. Greenhouse and growth chamber studies substantiated other observations that...
Resource Type:: Dissertation
Full Text:: herbicides AN ABSTRACT OF THE THESIS OF MONTIEN SOMABHI for the degree Doctor of Philosophy (Name of

ScholarsArchive@OSU

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

Some herbicidal properties of 2-chloro 2', 6'-diethyl - N - (methoxymethyl) acetanilide

Differential sensitivity of two common groundsel biotypes (Senecio vulgaris L.) to several s-triazine herbicides

A kinetic analysis of herbicide degradation in soil

Factors influencing the herbicidal activity and persistence of isomers of 1, 1-dimethyl-diisopropyl-indanyl ethyl ketone in soil

Avoiding residues in small poultry and game bird flocks

Decomposition of Brassicaceae Residue in the Willamette Valley

Influence of weed density on efficacy of two soil-applied herbicides

Foliar vs. root uptake of the herbicide Hoe 23408 in Italian ryegrass and wild oats

Interaction between glyphosate and certain s-triazine herbicides

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