Index Catalog // ScholarsArchive@OSU

Comparisons of morphology and susceptibility to herbicides of two yellow nutsedge (Cyperus esculentus L.) varieties

Creator:: Costa, Jaime
Resource Type:: Masters Thesis
Full Text:: varieties. 12 Number of rhizomes in two yellow nutsedge varieties. 16 Ramification of primary rhizomes in

Influence of Norbak, Dacagin, and Vistik on spray drift, volatility, adherence, and efficacy of several herbicides

Creator:: Ekins, Walter Leo
Abstract:: Norbak, Dacagin, and Vistik, when mixed with a spray solution, each have the unique property of increasing the viscosity of that solution. This property has been used commercially for the reduction of spray drift. Studies were made of the drift control adjuvants to determine the following: (1) the effect of...
Resource Type:: Masters Thesis
Full Text:: evaluated on the basis of reduction in plant height, stand, and appar- ent injury to the plant itself

Indole-3-acetic acid in (2-chloroethyl)-trimethylammonium chloride-treated club wheat (Triticum aestivum compactum)

Creator:: Gould, Walter Leonard
Abstract:: Studies were conducted to verify the existence of IAA in wheat seedlings and to determine the effect of (2-chloroethyl)-trimethyl-ammonium chloride (CCC) on the IAA content of club wheat, Triticum aestivum compactum, variety Omar. The shoots of CCC-treated and untreated wheat plants were extracted with ethanol, the plant extract purified, separated...
Resource Type:: Dissertation
Full Text:: stand in some varieties of wheat since the coleoptile did not extend near enough to the surface of the

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:: litter there is a variety of organic compounds which may be in different in forms when they are

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:: degreeef M4STER OF SCIENCE in CROP SCIENCE presented on 3.ALk<11(1-7-7 Title: FOLIAR VS. ROOT UPTAKE OF

Postemergence herbicides and take-all disease in winter wheat : alterations in the incidence and severity of disease and crop growth

Creator:: Geddens, Ray M.
Abstract:: Eight postemergence herbicides were evaluated to determine their influence on the incidence and severity of take-all disease caused by the fungus Gaeumannomyces graminis var. tritici in winter wheat. Mecoprop ((+)-2-(4-chloro-2-methylphenoxy)propanoic acid), difenzoquat (1,2- dimethyl- 3,5- diphenyl -1H- pyrazolium), dinoseb amine (amine salt of 2-(1-methylpropy1)-4,6-dinitrophenol), and diclofopmethyl (methyl ester of (+)-2-[4-(2,4-dichlorophenoxy)...
Resource Type:: Dissertation
Full Text:: in field plots inoculated with Gaeumannomyces graminis 97 var. tritici when evaluated on June 30

Competitive effects and control of weeds in winter wheat on the Anatolian Plateau, Turkey

Creator:: Tezel, Cengiz
Abstract:: Wheat is the major crop produced on the Anatolian Plateau of Turkey. Annual weeds cause large yields reductions in the wheat crop. Several formulations of 2, 4-D and mixtures of 2, 4-D and 2,4, 5-T are the only materials currently available for use in Turkey on wheat. The objective of...
Resource Type:: Masters Thesis
Full Text:: (1962). In his brief review he quoted some observers who found an excellent correlation between amount

Reduction in atrazine toxicity to winter wheat by the growth retardant CCC

Creator:: Kirkland, Kenneth
Resource Type:: Dissertation
Full Text:: effects of CCC together with published performance data in a variety of crops. The chemistry and

The influence of herbicide placement in soil on toxicity to emerging seedlings

Creator:: Nishimoto, R. K. (Roy Katsuto), 1944-
Abstract:: Previous research has indicated several soil-applied herbicides are more effective by exposure to emerging shoots than from root uptake. Studies were conducted in the greenhouse and growth chamber to investigate effects of herbicide placement in soil on toxicity to emerging seedlings. In these studies, an inch of treated soil was...
Resource Type:: Masters Thesis
Full Text:: . All the other rice varieties produced their first node in soil below the CIPC layer and

Sorption and phytotoxicity of triazine herbicides in neutral and calcareous soils

Creator:: Colbert, Floyd Oral
Resource Type:: Dissertation
Full Text:: DOCTOR OF PHILOSOPHY (Name) (Degree) in FARM CROPS presented on (Major) iti)(Lk IT) 07i (Date) Title

ScholarsArchive@OSU

Comparisons of morphology and susceptibility to herbicides of two yellow nutsedge (Cyperus esculentus L.) varieties

Influence of Norbak, Dacagin, and Vistik on spray drift, volatility, adherence, and efficacy of several herbicides

Indole-3-acetic acid in (2-chloroethyl)-trimethylammonium chloride-treated club wheat (Triticum aestivum compactum)

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

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

Postemergence herbicides and take-all disease in winter wheat : alterations in the incidence and severity of disease and crop growth

Competitive effects and control of weeds in winter wheat on the Anatolian Plateau, Turkey

Reduction in atrazine toxicity to winter wheat by the growth retardant CCC

The influence of herbicide placement in soil on toxicity to emerging seedlings

Sorption and phytotoxicity of triazine herbicides in neutral and calcareous soils

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