Index Catalog // ScholarsArchive@OSU

Detection, identification, and antibiotic treatments of bacterial contaminants from micropropagated strawberries

Creator:: Tanprasert, Piyarak
Abstract:: Bacterial contamination is one of the most important problems both in plant tissue culture research and commercial laboratories. Early detection of contaminants saves time, effort, and money. Strawberry runner explants were screened for contaminants during June to August, 1994 and 1995. Most contaminants found were bacterial rather than fungal. Bacterial...
Resource Type:: Masters Thesis
Full Text:: crucial to know the effect of antibiotic on both the bacteria and explant to be able to eliminate

Growth and photosynthesis of plants in response to environmental stress

Creator:: Greitner, Carol S.
Resource Type:: Dissertation
Full Text:: effect of air pollutants on physiological processes in plants. Plant, Cell and Environment 12, 1-30

The effects of cadmium on the nitrogen fixation system in Alnus rubra

Creator:: Wickliff, Carlos
Abstract:: Alnus rubra (Bong. ) seedlings were grown in sand culture and irrigated with nutrient solution containing CdCl₂ ranging from 5 μg to 100 mg per liter. Treatment of A. rubra seedlings for 4 weeks with 50 and 100 mg CdCl₂ per liter of nitrogen-free nutrient solution decreased in situ nitrogenase...
Resource Type:: Dissertation
Full Text:: . 2, 3. Effect of cadmium on plant growth. 4. Foliar injury resulting from cadmium treatment. Effect

Yield, quality characteristics, and composition of Limnanthes alba seed as affected by rate, source, and date of nitrogen application

Creator:: Ayres, Thomas Arthur
Abstract:: The effect of nitrogen (N) application on seed yield of Limnanthes alba was studied for two years at two locations. Seeding following alfalfa (Medicago sativa L.) was compared to establishment after wheat (Triticum aestivum L.). Treatments used were a control (no N applied), and two rates of N (50 and...
Resource Type:: Masters Thesis
Full Text:: . Effect of Nitrogen Rates and Plant Spacing on Sunflower Seed Yields and Other Characteristics. Agron J

Ozone inhibition of transpiration and photosynthesis of two soybean (Glycine max. [L.] Merr.) cultivars

Creator:: Yingjajaval, Suntaree
Resource Type:: Masters Thesis
Full Text:: to regain photosynthetic capacity fully. The first effect of ozone was on stomatal resistance. The

Some effects of sulfur fertilization on the nutrient value of subclover-grass forage

Creator:: McCarthy, Michael J.
Abstract:: Pastures consisting of mixtures of subclover (Trifolium subterraneum) and grasses have responded to sulfur fertilization on many sites in Douglas County, Oregon. The objectives of this study were to examine specific changes in forage quality which occur as sulfur is applied in excess of the amount required for maximum yield...
Resource Type:: Masters Thesis
Full Text:: with the application of sulfur. (3) Increases in suflur content of the plant species. (4) The effect

Aluminum toxicity studies in rice (Oryza sativa L.)

Creator:: Martinez-Racines, Cesar P.
Abstract:: A nutrient solution technique developed for wheat was used to determine tolerance of rice cultivars to aluminum (Al) toxicity. Pre-germinated rice seed was placed on top of a screen and allowed to grow on the Al-free solution for 72-96 hours or until the primary root was 2-3 cms long. Seedlings...
Resource Type:: Dissertation
Full Text:: . Analysis of variance for the effect of 20 ppm Al on the number of cells in the prophase and metaphase

Sethoxydim herbicide in red fescue and bentgrass : levels and mechanisms of selectivity

Creator:: Butler, J. Hugh B.
Abstract:: The herbicide rate required to reduce growth by 50% (GR₅₀) of 11 cultivars of red fesue (Festuca rubra L. and F. rubra ssp. commutata) and for four cultivars of bentgrass (Agrostis tenuis Sibth. and A. stolonifera L. var. palustris) to sethoxydim (2-[1-(ethoxyimino) butyl]-5-[2-(ethylthio)propyl]-3-hydroxy-2-cyclohexen-1-one) was determined in greenhouse and laboratory experiments....
Resource Type:: Dissertation
Full Text:: and bentgrass to application of sethoxydim in the field experiment. 46 4. Effect of sethoxydim on

Nitrate reductase activity as a factor influencing the seasonal succession of marine phytoplankton

Creator:: Roelofs, Nancy Ann
Abstract:: Nitrate reductase is known to be the enzyme regulating the reduction of nitrate to nitrite in plants. This reduction is the first and rate-limiting step in the transformation of inorganic nitrate to a cellular nitrogen form. Since this reduction process is essential to phytoplankton growth when nitrate is the only...
Resource Type:: Masters Thesis
Full Text:: conditions encountered in the ocean. And third, the effect of temperature and light on enzyme levels should

The effects of light on photosynthesis and rooting of leafy cuttings of Pisum sativum L.

Creator:: Davis, Tim D.
Abstract:: The effects of light incident on leafy cuttings is quite complex because' light influences several factors which may affect root formation. One effect of light is to influence the carbohydrate status of the cutting by influencing photosynthesis. The role of current photosynthate in the rooting of leafy cuttings is uncertain....
Resource Type:: Masters Thesis
Full Text:: The effect on rooting of defoliation of pea cuttings at different times during the rooting period 55

ScholarsArchive@OSU

Detection, identification, and antibiotic treatments of bacterial contaminants from micropropagated strawberries

Growth and photosynthesis of plants in response to environmental stress

The effects of cadmium on the nitrogen fixation system in Alnus rubra

Yield, quality characteristics, and composition of Limnanthes alba seed as affected by rate, source, and date of nitrogen application

Ozone inhibition of transpiration and photosynthesis of two soybean (Glycine max. [L.] Merr.) cultivars

Some effects of sulfur fertilization on the nutrient value of subclover-grass forage

Aluminum toxicity studies in rice (Oryza sativa L.)

Sethoxydim herbicide in red fescue and bentgrass : levels and mechanisms of selectivity

Nitrate reductase activity as a factor influencing the seasonal succession of marine phytoplankton

The effects of light on photosynthesis and rooting of leafy cuttings of Pisum sativum L.

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