Index Catalog // ScholarsArchive@OSU

The influence of soil moisture and method of application on the movement of the herbicide EPTC in soil

Creator:: Omid, Ahmad
Resource Type:: Masters Thesis

The effect of quackgrass (Agropyron repens) rhizomes on germination and development of alfalfa

Creator:: Omid, Ahmad
Resource Type:: Dissertation

The effect of EPTC on barnyard grass

Creator:: Dawson, Jean Howard
Resource Type:: Dissertation

Influence of the removal of weed competition by herbicides in establishing subterranean clover, Trifolium subterraneum L.

Creator:: López, Hernán
Resource Type:: Masters Thesis

The influence on winter wheat yields of competitive weedy species

Creator:: Albeke, William Edgar
Abstract:: A study was conducted to compare the competitive ability with weeds of the short-strawed Gaines variety wheat and taller growing varieties under different fertility levels at three experimental locations. The experiments were designed so that the effects of variety, nitrogen fertilization, and weed competition could be evaluated. The interactions between...
Resource Type:: Masters Thesis

The influence of (2-chloroethyl)-trimethylammonium chloride on the ribonucletic acid content of wheat (Triticum aestivum) leaves

Creator:: Baldwin, Richard William, 1933-
Abstract:: A study was made on the effect of CCC (2-chloroethyl)-trimethyl-ammonium chloride), a plant growth retardant, on the RNA (ribonucleic acid) content of wheat plants, It was found that the RNA content of wheat leaves generally decreased with increasing levels of CCC up to 1x10⁻⁵M. Thereafter, the RNA content again increased...
Resource Type:: Dissertation

The influence of chemical and biochemical properties on the herbicidal efficiency of 3-cyclohexyl-5, 6-trimethylene uracil and 2-bromo-6'T-butyl-o-acetotoluidide

Creator:: Mackenzie, John William
Abstract:: Application of herbicides to the soil has become an important factor in the production of row crops. Economic production of sugar beet (Beta vulgaris), an important row crop, requires efficient methods of weed control. Two experimental herbicides, 3-cyclohexyl-5,6-trimethylene uracil (DP634) and 2-bromo-6't-butyl-o-acetotoluidide (CP32179), had shown promise in sugar beet screening...
Resource Type:: Masters Thesis

Factors influencing the herbicidal activity of dimethyl 2,3,5,6-tetrachloroterephthalate

Creator:: McKinley, James Raleigh
Abstract:: Studies were conducted to determine the site of DCPA toxicity on annual ryegrass. This was done by means of a technique which used pyrex tubing and a vapor barrier to separate exposure of coleoptile and roots of emerging grass seedlings to various concentrations of DCPA. Coleoptiles that emerged through treated...
Resource Type:: Masters Thesis

The decomposition of 2-chloro-4-ethylamino-6-isopropylamino-S-triazine (atrazine) and related s-triazine herbicides by soil microorganisms

Creator:: Duke, William B.
Abstract:: Atrazine, atratone and ametryne are asymmetric s-triazine herbicides used pre- and post-emergence on many crops. Under conditions unfavorable for microbial activity, these compounds may persist in the soil for long periods of time. This study was conducted to determine the influence of the soil microflora upon atrazine, atratone and ametryne...
Resource Type:: Masters Thesis

The distribution, growth habits, and control of German velvetgrass (Holcus mollis L.) in Western Oregon

Creator:: Lee, William O., 1911-
Abstract:: A study was conducted on German velvetgrass (Holcus mollis L.), a weedy, rhizomateous perennial grass introduced in the United States in relatively recent years, The purpose of this study was to learn more about its distribution, growth habits, and control under conditions found in Western Oregon. German velvetgrass infestations of...
Resource Type:: Dissertation

ScholarsArchive@OSU

The influence of soil moisture and method of application on the movement of the herbicide EPTC in soil

The effect of quackgrass (Agropyron repens) rhizomes on germination and development of alfalfa

The effect of EPTC on barnyard grass

Influence of the removal of weed competition by herbicides in establishing subterranean clover, Trifolium subterraneum L.

The influence on winter wheat yields of competitive weedy species

The influence of (2-chloroethyl)-trimethylammonium chloride on the ribonucletic acid content of wheat (Triticum aestivum) leaves

The influence of chemical and biochemical properties on the herbicidal efficiency of 3-cyclohexyl-5, 6-trimethylene uracil and 2-bromo-6'T-butyl-o-acetotoluidide

Factors influencing the herbicidal activity of dimethyl 2,3,5,6-tetrachloroterephthalate

The decomposition of 2-chloro-4-ethylamino-6-isopropylamino-S-triazine (atrazine) and related s-triazine herbicides by soil microorganisms

The distribution, growth habits, and control of German velvetgrass (Holcus mollis L.) in Western Oregon

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