Search Results - "Snow, A.A"

Gene Flow from Genetically Modified Rice and Its Environmental Consequences by LU, BAO-RONG, SNOW, ALLISON A

“…Within the next few years, many types of transgenic rice ( Oryza sativa ) will be ready for commercialization, including varieties with higher yields, greater…”
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Genetically engineered organisms and the environment: current status and recommendations by Snow, A.A, Andow, D.A, Gepts, P, Hallerman, E.M, Power, A, Tiedje, J.M, Wolfenbarger, L.L

“…The Ecological Society of America has evaluated the ecological effects of current and potential uses of field-released genetically engineered organisms (GEOs),…”
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Transgenic crops-why gene flow matters by Snow, Allison A

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Long-term persistence of crop alleles in weedy populations of wild radish (Raphanus raphanistrum) by Snow, A. A., Culley, T. M., Campbell, L. G., Sweeney, P. M., Hegde, S. G., Ellstrand, N. C.

“…Hybridization allows transgenes and other crop alleles to spread to wild/weedy populations of related taxa. Researchers have debated whether such alleles will…”
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Absence of Detectable Transgenes in Local Landraces of Maize in Oaxaca, Mexico (2003-2004) by Ortiz-García, S., Ezcurra, E., Schoel, B., Acevedo, F., Soberón, J., Snow, A. A., Schaal, Barbara A.

“…In 2000, transgenes were detected in local maize varieties (landraces) in the mountains of Oaxaca, Mexico [Quist, D. & Chapela, I. H. (2001) Nature 414,…”
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Commercialization of transgenic plants: potential ecological risks by Snow, Allison A., Palma, Pedro Morán

“…Applications of genetic engineering in agriculture and forestry will probably have neutral or beneficial environmental consequences, although commercial-scale…”
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Long-term introgression of crop genes into wild sunflower populations by Linder, C.R, Taha, I, Seiler, G.J, Snow, A.A, Rieseberg, L.H

“…Hybrids between cultivated and wild sunflowers (Helianthus annuus) are frequently reported. As much as 42% of progeny from wild plants near cultivar fields are…”
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persistence of cultivar alleles in wild populations of sunflowers five generations after hybridization by Whitton, J, Wolf, D.E, Arias, D.M, Snow, A.A, Rieseberg, L.H

“…The development of transgenic plants has heightened concern about the possible escape of genetically engineered material into the wild. Hybridization between…”
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Species richness and pollen loads of hummingbirds using forest fragments in southern Costa Rica by Borgella, R. Jr, Snow, A.A, Gavin, T.A

“…In many areas of the humid tropics, relatively small patches of forest is the habitat most commonly available for forest-dwelling organisms. To assess resident…”
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Pollinator pref. and the persistence of crop genes in wild radish populations (Raphanus raphanistrum, Brassicaceae) by Lee, T.N, Snow, A.A

“…Crop-weed hybridization can potentially influence the evolutionary ecology of wild populations. Many crops are known to hybridize with wild relatives, but few…”
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Transgenic Maize in Mexico by ORTIZ-GARCÍA, SOL, EZCURRA, EXEQUIEL, SCHOEL, BERND, ACEVEDO, FRANCISCA, SOBERÓN, JORGE, SNOW, ALLISON A

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Fecundity, phenology, and seed dormancy of F1 wild-crop hybrids in sunflower (Helianthus annuus, Asteraceae) by Snow, A.A, Moran-Palma, P, Riesenberg, L.H, Wszelaki, A, Seiler, G.J

“…Crop-to-wild hybridization has the potential to introduce beneficial traits into wild populations. Gene flow from genetically engineered crops, in particular,…”
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Pollen-tube competition and male fitness in Hibiscus moscheutos by Snow, A.A. (Ohio State University, Columbus, OH.), Spira, T.P

“…The stigmas of animal-pollinated flowers often capture more pollen than is needed to fertilize all available ovules, and mixed-donor pollen loads are probably…”
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Delayed autonomous self-pollination in Hibiscus laevis (Malvaceae) by Klips, Robert A., Snow, Allison A.

“…Delayed autonomous self-pollination allows outcrossing to occur while also ensuring that seeds are produced in the absence of pollen vectors. We investigated…”
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Increased pre-dispersal seed predation in sunflower crop-wild hybrids by Cummings, C.L, Alexander, H.M, Snow, A.A

“…The fitness of crop-wild hybrids can influence gene flow between crop and wild populations. Seed predation levels in crop-wild hybrid plants can be an…”
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Postpollination selection and male fitness in plants by Snow, A.A

“…Postpollination events are often described as potential mechanisms for sexual selection in plants. The broadest interpretation of what constitutes sexual…”
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Costs of flower and fruit production in Tipularia discolor (Orchidaceae) by Snow, Allison A., Whigham, Dennis F.

“…The cost of reproduction may be an important constraint on the evolution of life history traits, yet it has seldom been adequately measured in plants. To…”
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Floral evolution: attractiveness to pollinators increases male fitness by Stanton, M.L, Snow, A.A, Handel, S.N

“…Because availability of resources often limits seed or fruit set, increased visits by pollinators may not always lead to increases in maternal reproduction…”
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Genotype-specific effects of elevated CO2 on fecundity in wild radish (Raphanus raphanistrum) by Curtis, P.S, Snow, A.A, Miller, A.S

“…Rising atmospheric CO₂ may lead to natural selection for genotypes that exhibit greater fitness under these conditions. The potential for such evolutionary…”
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The effect of inflorescence size on male fitness: experimental tests in the andromonoecious lily, Zigadenus paniculatus by Emms, S.K. (University of Saint Thomas, Saint Paul, MN.), Stratton, D.A, Snow, A.A

“…We studied the relationship between inflorescence size and male fitness in the andromonoecious lily Zigadenus paniculatus, using experimentally manipulated…”
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