Index Catalog // ScholarsArchive@OSU

The agronomic, environmental, and economic implications of the introduction of terbacil for weed control in Oregon commercial peppermint operations

Creator:: Harris, James O.
Abstract:: The use of terbacil for weed control was adapted by a high percentage of Oregon peppermint growers soon after its introduction in 1967. To help clarify some of the implications of terbacil usage, three studies were undertaken to collect information concerning (a) the movement and build-up of terbacil in various...
Resource Type:: Masters Thesis
Full Text:: 0 TerhL recovery with tune from water samot colle- from Earrn B in eon 'o. page 20 35 35 35 43

Interaction of cycloate with postemergence herbicides on sugarbeets and weeds

Creator:: Olson, Phillip David Leroy
Resource Type:: Masters Thesis
Full Text:: ..leatt==>". GUM. i 111, -raw< : : : o P ,,_' 1 6. t4===-' -_ 10 "Wax" rodlets "Wax" layer "Wax

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

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:: in solution containing O. 1 % v/v of MON-0011 surfactant alone were included as checks. Each

Activity and persistence of five postemergence grass herbicides in soil

Creator:: Martin, David C. (David Christopher), 1949-
Resource Type:: Masters Thesis
Full Text:: Structural formula Cl / \ N ti5c2-s-0-co2 CH 3 OH CH3 0-CH- C0-C H u 2 5 0 CH3 O-CH-C-0-(CH 2 ) 3

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

Creator:: Chase, Richard Lyle
Resource Type:: Dissertation
Full Text:: Corvallis, Oregon, U.S.A., at approximately 24 o C. In all trials, four nutsedge tubers of similar size

Influence of soil moisture on movement of terbacil in soil

Creator:: Vesecky, John Francis
Abstract:: Previous field research with terbacil (3-tert-butyl-5-chloro- 6-methyluracil) has shown that early fall applications to dry soil performed better than did late fall or early winter applications to wet soil. Field and greenhouse studies were conducted to determine the effect of soil moisture content at time of application and the effect...
Resource Type:: Masters Thesis
Full Text:: greatly influences the leaching of some herbicides. Wiese and Davis (1964), using several herbicides

The response of tomatoes to atrazine as affected by magnesium and photoperiod

Creator:: Brenchley, Ronald Glenn
Abstract:: Studies were conducted to determine the nature of the interaction between atrazine (2-chloro-4-ethylamino-6-isopropylaminos- triazine) and magnesium on tomatoes. This interaction was studied under two light regimes: continuous light and a 12-hour photoperiod. Tomato plants were grown in sand cultures at three levels of magnesium fertilization. Four weeks after planting, atrazine...
Resource Type:: Dissertation
Full Text:: - cides have a very low water solubility, they are effective primarily when absorbed by roots. Davis et

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:: .r i O g > I. .. C ro .9 ... 1 ro 45 O 'Q W ro M 1CM 0" ti Xl 6P C D "' " 2 '0 P .- i C

Factors affecting selective weedy rye (Secale sp.) control in winter wheat with the herbicide ethiazin

Creator:: Diener, Phillip R.
Abstract:: Weedy rye (Secale spp.) is a weed in the winter-wheat- growing regions in the Pacific Northwest and surrounding regions. Ethiazin (4-amino-6-(1,1-dimethylethyl)-3- (ehtylthio)-1,2,4-triazine-5 (4H)-one) has shown selective control of weedy rye in the cultivar 'Stephens', (Triticum aestivum). Field, greenhouse, and outdoor pot experiments were conducted to determine factors influencing selectivity. Field...
Resource Type:: Masters Thesis
Full Text:: are solitary or tufted, erect and stand 35 to 300 cm tall (Davis). Suneson reported the weedy

ScholarsArchive@OSU

The agronomic, environmental, and economic implications of the introduction of terbacil for weed control in Oregon commercial peppermint operations

Interaction of cycloate with postemergence herbicides on sugarbeets and weeds

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

Interaction between glyphosate and certain s-triazine herbicides

Activity and persistence of five postemergence grass herbicides in soil

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

Influence of soil moisture on movement of terbacil in soil

The response of tomatoes to atrazine as affected by magnesium and photoperiod

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

Factors affecting selective weedy rye (Secale sp.) control in winter wheat with the herbicide ethiazin

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