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Influence of soil moisture on the movement of bromacil in soil

Creator:: Ross, Claude Gray
Abstract:: In previous research, bromacil gave good performance when it was applied in early fall with fairly dry soil conditions and before the fall germinating weeds had started growth. On the other hand, if bromacil was applied in late November, December, or January on nearly saturated soil with weeds that had...
Resource Type:: Masters Thesis
Full Text:: ., I960. 629 p. 2. Bailey, George W. and Joe L. White. Soil-pesticide relation ships. Review of

The influence of magnesium on the toxicity of atrazine

Creator:: Brenchley, Ronald Glenn
Abstract:: Atrazine is an asymmetrical s-triazine herbicide used pre- and post emergence for weed control in many crops. Triazine herbicides have been used in the Pacific-Northwest for weed control in orchard crops. Under certain conditions where trees were grown in nutrient deficient areas, it was noted that toxic symptoms due to...
Resource Type:: Masters Thesis
Full Text:: for Ronald Glenn Brenchley . i ACKNOWLEDGEMENT To Dr. Arnold P. Appleby for his patience and

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:: ATRAZINE AS AFFECTED BY MAGNESIUM AND PHOTOPERIOD Abstract approved: Redacted for privacy Arnold P

Effect of two methylcarbamates on the toxiciity of isopropyl m-chlorocarbanilate (chlorpropham) to safflower (Carthamus tinctorius L.) and common buckwheat (Fagopyrum esculentum Moench.)

Creator:: Kirkland, Kenneth
Abstract:: Addition of the methylcarbamate compounds p-chlorophenyl N-methylcarbamate (PPG-124) and 1-naphthyl N-methylcarbamate (carbaryl) to various herbicides has resulted in reduced rates of degradation. Carbaryl affects the degradation of certain herbicides in both plants and soils while PPG-124 has only been demonstrated to affect degradation in soils. Both these materials are effective...
Resource Type:: Masters Thesis
Full Text:: Addition of the methylcarbamate compounds p-chlorophenyl N-methylcarbamate (PPG-124) and 1-naphthyl N

Factors affecting selective control of wild oat and downy brome in wheat by trifluralin

Creator:: Aldridge, Jack Clifton
Abstract:: Trifluralin (a, a, a - trifluoro -2, 6 -dinitro-N, N-dipropyl-ptoluidine) is effective in controlling downy brome (Bromus tectorum L.) and wild oat (Avena fatua L.) but does not severely affect the growth of wheat (Triticum aestivum L.). Studies were conducted using germination chamber and greenhouse facilities to investigate possible factors...
Resource Type:: Masters Thesis
Full Text:: placement and trifluralin incorporation on growth reduction of wheat. 20 BIBLIOGRAPHY 1. Anderson, W. P

The lateral movement of cycloate as affected by three soil types and four methods of irrigation when applied to the soil by injection incorporation

Creator:: Stanger, Charles Earl, 1929-
Abstract:: Lateral diffusion of S-ethyl N-ethylthiocyclohexanecarbamate (cycloate)¹ is essential for satisfactory weed control with injection type incorporation in sugar beet (Beta vulgaris Linn.) production. Previous field experience with injection incorporation has indicated that sufficient lateral diffusion for satisfactory weed control has not occurred under all field conditions. Researchers who have been...
Resource Type:: Masters Thesis
Full Text:: presented on t...dip/p#4) vo, 1919 (Major) (Date) Title: THE LATERAL MOVEMENT OF CYCLOATE AS AFFECTED BY

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:: approximately 2 and 30% w/w soil moisture. After 2 to 4 days, all soils were irrigated for stand establishment

Interaction of cycloate with postemergence herbicides on sugarbeets and weeds

Creator:: Olson, Phillip David Leroy
Resource Type:: Masters Thesis
Full Text:: of the Weed Society of America. 1970. W. F. Humphrey Press. 368 p. 8 The physical and chemical

Cyperus esculentus control with glyphosate : time of application and addition of ammonium sulfate

Creator:: Costa, Jaime
Abstract:: Cyperus esculentus L. var. esculentus is a serious weed problem in northwest Spain. Long-term control from glyphosate and other herbicides has been inconsistent. Field, greenhouse, and laboratory studies were conducted on factors influencing the activity of glyphosate on C. esculentus. In field studies, glyphosate controlled foliage growth at most growth...
Resource Type:: Dissertation
Full Text:: Glyphosate: Time of Application and Addition of Ammonium Sulfate. Redacted for Privacy Arnold P. Appleby

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

Creator:: Brewster, Bill D.
Resource Type:: Masters Thesis
Full Text:: appreciation is expressed to the following individuals. To Dr. Arnold P. Appleby who served as my major

ScholarsArchive@OSU

Influence of soil moisture on the movement of bromacil in soil

The influence of magnesium on the toxicity of atrazine

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

Effect of two methylcarbamates on the toxiciity of isopropyl m-chlorocarbanilate (chlorpropham) to safflower (Carthamus tinctorius L.) and common buckwheat (Fagopyrum esculentum Moench.)

Factors affecting selective control of wild oat and downy brome in wheat by trifluralin

The lateral movement of cycloate as affected by three soil types and four methods of irrigation when applied to the soil by injection incorporation

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

Interaction of cycloate with postemergence herbicides on sugarbeets and weeds

Cyperus esculentus control with glyphosate : time of application and addition of ammonium sulfate

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

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