Ceratopteris fern growth and analysis essay

Phylogeny and evolution since Spring Research Interests: Is there any, at all?

Ceratopteris fern growth and analysis essay

Environmental Biology of Fishes doi: Journal of the Pennsylvania Academy of Sciences Journal of Great Lakes Research American Fern Journal Journal of Freshwater Ecology What Constitutes Adequate Preparation? Environmental Biology of Fishes My research interests concern the reproductive ecology of organisms and the flora of northwestern Pennsylvania.

Current research explores 1 the factors that influence gender determination in Ceratopteris richardii, a homosporous fern, and the regulation of gender development; 2 the foraging behavior of Neogobius melanostomus, the round goby, which is an invasive fish in Lake Erie; and 3 the flora of the Erie Bluffs State Park.

Presentations at Scientific Meetings: Botany in the Curriculum: Hiles R, Ganger M, Ewing S A Pseudomonas strain isolated from fern roots blocks male induction and alters gametophyte development in the fern Ceratopteris richardii.

Allegheny Branch of the Society of Microbiology Meeting. Celebrate Gannon Hallowell H, Ewing S, Ganger M Factors affecting the sex-determination mechanism of the soil bacteria Lysinibacillus xylanilyticus on the homosporous fern Ceratopteris richardii. Celebrate Gannon Youngdahl D, Ganger M, Ewing S Development of a screening protocol to assess the potential for a gender-bending effect of soil bacteria on Ceratopteris richardii.

Ceratopteris fern growth and analysis essay

Penn State Behrend—Sigma Xi.The model fern Ceratopteris richardii Brongn. has a well-characterized antheridiogen response and short time to sexual maturity.

Although tests for nutrient effects on sex determination have been conducted in this fern, tests for differences in nutrient demands by sex have not. Heteroblastic variation among leaves arising from the shoot system is a well‐known phenomenon, but relatively little effort has been directed at assessing whether comparable variation occurs among shoot‐borne roots in homorhizic plants.

A morphological and anatomical study of shoot‐borne root formation in the homosporous fern Ceratopteris richardii revealed two developmentally distinct. Ceratopteris is typically a freshwater fern, growing in lakes, rivers, ponds and ditches (that are commonly based upon analysis of drill cores, that the formation consists of claystone (ca 20%), mas- favoured the growth of the fern.

Burial is interpreted to.

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Salmi ML, Roux SJ () Gene expression changes induced by space flight in single-cells of the fern Ceratopteris richardii. Planta Salmi ML, ul Haque A, Bushart TJ, Stout SC, Roux SJ, Porterfield DM () Changes in gravity rapidly alter the magnitude and direction of a .

Ceratopteris Fern Growth and Analysis: Observing Germination and Effects of Ammonium Nitrate Treatment I: Abstract Observing the effects of ammonium nitrate has on the germination days of C-Fern gametophytes by constructing an experiment with two spore-sown petri dishes, one control and one treatment – a normal nutrient-rich agar petri dish.

Ceratopteris fern growth and analysis essay

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Ultra Violet Radiation on Sex Determination in Ceratopteris Richardii | Essay Example