natural populations

Listing 1 - 10 from 353 for natural populations

The Crocus
... . While transplanting them is not illegal, they seldom re-establish successfully, and it depletes the natural populations. You may wish to try starting some from seed. Crocus seeds are produced in fluffy ... with these pesky insects, so you would be well advised to admire them in their natural setting and leave them for others to see. Š 1996 Brian Baldwin Sustainable horticultural information, offered ...
gardenline.usask.ca

Native Plants of Ohio, Bulletin 865, Native Herbaceous Plants
... may vary regionally. Average heights are given as an approximation, as these may vary among natural populations and different environments. "Availability" indicates whether the specific plant is available in the trade as ...
ohioline.osu.edu

The Cycad Pages
... . Rates of fixation on the order of 19kg N/ha/yr have been observed in natural populations in Australia (Lindblad, 1990). Measurements made by Liu et al. (1993) in China averaged 1 ...
plantnet.rbgsyd.nsw.gov.au

APSnet Feature - Return of an Old Problem:Fusarium Head Blight of Small Grains
... dozens of crops and it is a particularly efficient colonizer of senescent maize stalks (42). Natural populations of F. graminearum and F. culmorum show considerable variability, but host specific strains have not ...
www.apsnet.org

Bamboo Of The America (BOTA)
... above are certainly under pressure. Furthermore, with many bamboos it is hard to determine if natural populations are endangered as we can't easily determine where one individual ends and the next ... provide impetus and knowledge to ambitious collectors to go out and get specimens from remnant populations. I recall our discussion about this (with Clark, Judziewicz, Londoņo) years ago when we were ...
www.bamboooftheamericas.org

UMass Amherst: Biology Department -> Faculty -> Ana Caicedo
... 2006 Research Interests Plant Molecular Evolution and Evolutionary Genomics Adaptive evolution, the product of natural selection, underlies much of all biological diversity. My research seeks to understand the ... L. and B.A. Schaal, 2004. Heterogeneous evolutionary processes affect R gene diversity in natural populations of Solanum pimpinellifolium. Proc. Natl. Acad. Sci. U.S.A., 101: 17444-17449. ...
www.bio.umass.edu

Andrea D. Wolfe Homepage
... Resource Website -- a source of information about the use of ISSR markers in studies of natural populations. Address Department of Evolution, Ecology, and Organismal Biology The Ohio State University 1735 Neil Avenue ...
www.biosci.ohio-state.edu

Safe Use of Glyphosate-containing Products in Aquatic and Upland Natural Areas
... Use of Glyphosate-containing Products in Aquatic and Upland Natural Areas Safe Use of Glyphosate-containing Products in Aquatic and Upland Natural Areas1 K. A. Langeland2 Land and water managers ... suggest the use of glyphosate-containing herbicide products is responsible for global declines in amphibian populations. Literature Cited Edgington, A. N., P.M. Sheridan, G. R. Stephenson, D. G. Thompson ...
edis.ifas.ufl.edu

OREP - Taking a natural approach to pest management
... Harrow, and Dr. Ekaterini Riga from Vineland Research Centre, are finding novel ways - based on natural plant-produced pesticides - to prevent soybean cyst nematodes from reproducing. These nematodes are small ... and the presence of some soil bacteria, in a crop rotation system to help suppress populations even further. Other research aimed at solving the problem involves a University of Guelph team ...
res2.agr.gc.ca

Dept. of Agronomy & Natural Resources
... the search for cultivars with improved protein content and baking quality; collection of native populations of wheat and land races for potential use as germplasm for breeding; use of ... the symbiotic effectiveness of Bradyrhizobium strains; competition between the effective inoculant strains and the natural population of Rhizobia in peanut; factors enhancing the symbiotic nitrogen-fixing activity of ...
www.agri.gov.il

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