Results 151 to 160 of about 1,578 (197)
Holocene Geographic Spread and Population Expansion of Fagus Grandifolia in Ontario, Canada
The Journal of Ecology, 1988 Three radiocarbon-dated Holocene pollen sequences from S Ontario provide the basis for a reconstruction of changes in the distribution and abundance of Fagus grandifolia during the early Holocene. Spread of F.
Bennett, K. D.
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Conservation Genetics of Mexican Beech, Fagus grandifolia var. mexicana
Conservation Genetics, 2004 Fagus grandifolia var. mexicana (Fagaceae) is a Mexican endemic tree, currently threatened with extinction. In order to assess the level and structure of genetic variation in four remaining populations, leaf samples were analysed using random amplified ...
Theodore Allnutt +2 more
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The Fungal Flora of Bark of Fagus Grandifolia
Mycologia, 1982A total of 1910 fungal isolates were cultured from bark of American beech trees (Fagus grandifolia Ehrh.) in New Hampshire, Michigan, Ohio, and Pennsylvania. Nearly two-thirds of the isolates were members of the Fungi Inperfecti. The most frequently isolated species were in the form-genera Alternaria, Aureobasidium, Cladosporium, Coniothyrium, Fusarium,
H. Van T. Cotter, Robert O. Blanchard
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Cis-monolignols in Fagus grandifolia and their possible involvement in lignification
Phytochemistry, 1986Abstract Lignification in all plant species is assumed to occur exclusively via the dehydrogenative polymerization of the trans ( E ) monolignols, p -coumaryl, coniferyl and sinapyl alcohols. This assumption may have to be revised somewhat due to the presence of both E ( trans ) and Z ( cis ) isomers of p -hydroxy substituted cinnamic acids in
Elba Morelli +4 more
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REPRODUCTION OF FAGUS GRANDIFOLIA EHRH. BY SEED IN WISCONSIN
Canadian Journal of Botany, 1965An investigation was carried out to determine the factor or factors causing the paucity of reproduction by seeds of Fagus grandifolia in southern Wisconsin, as contrasted with the relatively abundant reproduction by seed in the northern part of the state.
R. L. Dix, R. F. Skrentny Jr.
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The leaf anatomy of beech, Fagus grandifolia
Canadian Journal of Botany, 1975Observations have been made on the anatomy of beech, Fagus grandifolia Ehrh., with an emphasis on quantitative features. All surface areas and volumes were determined by projecting 2-μm serial sections, measuring them with a map tracer, and multiplying cell perimeters by section thickness or by the trace–cut–weight method. The organization of tissues,
Nancy G. Dengler, Lynette B. MacKay
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Exclusive accumulation of Z-isomers of monolignols and their glucosides in bark of Fagus grandifolia
Phytochemistry, 1988In addition to Z-coniferyl and Z-sinapyl alcohols, bark extracts of Fagus grandifolia also contain significant amounts of the glucosides, Z-coniferin, Z-isoconiferin (previously called faguside) and Z-syringin. The corresponding E-isomers of these glucosides do not accumulate to a detectable level.
N G, Lewis +4 more
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SPATIAL DISTRIBUTION AND DEVELOPMENT OF ROOT SPROUTS IN FAGUS GRANDIFOLIA (FAGACEAE)
American Journal of Botany, 1986Root sprouts around 31 Fagus grandifolia parent trees, some declining due to beech bark disease, were studied to describe the pattern of sprout distribution, the ecological importance of this pattern, and the relationship between sprout patterns and parent vigor.
Robert H. Jones, Dudley J. Raynal
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Resistance to water flow in Fagus grandifolia leaves
Canadian Journal of Botany, 1977The tempo of water efflux from single Fagus grandifolia leaves has been measured. The resistance to pressure-driven water efflux has been measured for normal leaves, Rs, and for leaves in which extracellular mesophyll spaces are infiltrated with water, Rs*. The ratio Rs*/Rs is about 0.4.
M. T. Tyree, Y. N. S. Cheung
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DEMOGRAPHY OF A SHADE-TOLERANT TREE (FAGUS GRANDIFOLIA) IN A HURRICANE-DISTURBED FOREST
Ecology, 1998We examined the demographic responses of Fagus grandifolia to Hurricane Kate (1985) in an old-growth Southern mixed-hardwood forest in northern Florida. Matrix population models were used to contrast pre- and post-hurricane population trends (1978- 1992) with predictions of four hypotheses of the persistence of this shade-tolerant species in hurricane ...
William B. Batista +2 more
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