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2 edition of Genetic variation in freezing resistance of some populus and salix clones found in the catalog.

Genetic variation in freezing resistance of some populus and salix clones

Vasilios Tsarouhas

Genetic variation in freezing resistance of some populus and salix clones

by Vasilios Tsarouhas

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Published .
Written in English


The Physical Object
Pagination1 v.
ID Numbers
Open LibraryOL16486723M
ISBN 100612288811

Without genetic variation, a population cannot evolve in response to changing environmental variables and, as a result, may face an increased risk of extinction. For example, if a population is exposed to a new disease, selection will act on genes for resistance to the disease if they exist in the population. @article{osti_, title = {Genetical genomics of Populus leaf shape variation}, author = {Drost, Derek R. and Puranik, Swati and Novaes, Evandro and Novaes, Carolina R. D. B. and Dervinis, Christopher and Gailing, Oliver and Kirst, Matias}, abstractNote = {Leaf morphology varies extensively among plant species and is under strong genetic control.

Some clones accumulate certain metals to a significant extent, at the same time excluding others (Landberg and Greger, ). Translocation of a metal to the shoot of a plant varies between clones, and even if one element is translocated to a significant extent in one clone, this is not necessarily the case for another metal (Landberg and. The full text of this article hosted at is unavailable due to technical difficulties.

The hybrid poplar clones were derived from an interspecific cross between a female Populus trichocarpa (clone ) from western Washington (latitude 48°N) and a male Populus deltoides (clone S7C4) from Texas (latitude 31°N; Frewen et al., ). Two full siblings ( and ) from the resulting F1 progeny were mated to produce the. However, little is known about the magnitude of genetic variation within plant populations for secondary compound production under elevated CO 2. Differential genotypic responses in the synthesis of defensive compounds could have evolutionary consequences; for instance, genotypes that allocate more carbon to defense compounds may experience a.


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Genetic variation in freezing resistance of some populus and salix clones by Vasilios Tsarouhas Download PDF EPUB FB2

Nineteen (19) clones of Salix and twenty-one (21) clones of Populus were examined for their variability in freezing resistance. A series of laboratory freezing tests were conducted, using visual Author: Vasilios Tsarouhas.

Variation in Freezing Resistance During Different Phenological Stages in Some Populus and Salix Clones: Implications for Clonal Selection V. TSAROUHAS, W. KENNEY and L. ZSUFFA. ) Genetic Variability and Differentiation of Geographically Marginal Scots Pine Populations From Ukraine V. DVORNYK.

To investigate the evolution of clinal variation in an invasive plant, we compared cold hardiness in the introduced saltcedar (Tamarix ramosissima, Tamarix chinensis, and hybrids) and the native plains cottonwood (Populus deltoides subsp.

monilifera).In a shadehouse in Colorado (41°N), we grew plants collected along a latitudinal gradient in the central United States (29–48°N).Cited by: Tsarouhas, V., Kenney, W.A. and Zsuffa, L. Variation in freezing resistance during different phenological stages in some Populus and Salix clones: Implications for clonal selection.

Silva Genetica, 50(2): (E) Uetsuki, Y. Cooperatión en el Proyecto de producción de semilla forestal mejorada en Uruguay. Plant material. Eight clones of Salix belonging to a group of closely related species that have shown promising results in biomass plantations were obtained from Svalöf‐Weibull AB, Sweden.

The clones were chosen to represent as much as possible of the geographical variation in the breeding stock. Species names (if known), commercial names (if available), code names, plot symbols. Populus is recognized as a model genus for genetic and genomic studies in angiosperm trees with many resources available, such as the genome sequence of Populus trichocarpa (Tuskan et al.

There are more than Salix species, and they are widespread in both the Northern and the Southern hemispheres, excluding Australasia and New Guinea. Variation in freezing resistance during different phenological stages in some Populus and Salix clones: Implications for clonal selection Article Full-text available.

Genetic variation of hydraulic and wood anatomical traits in hybrid poplar and trembling aspen. despite some variation, WOOD STRUCTURE, XYLEM FUNCTIONALITY AND GROWTH OF SIX SALIX CLONES IN TWO SITES WITH DIFFERENT ENVIRONMENTAL STRESS IN ARGENTINA, Revista Árvore, /, 42, 1, ().

Crossref. Forty five Salix eriocephala clones, 53 S. exigua clones and 16 clones of their inter-specific hybrid (12 S.

eriocephala×exigua clones and 4 S. exigua×eriocephala clones), were evaluated. Starch gel electrophoresis was employed and 12 enzyme systems were used for the assessment of the genetic variation in the clonal material.

Introduction. The culture of hardwoods, such as Salix and Populus, on agricultural land is a viable alternative for the production of biofuels, particularly because these trees can achieve very high biomass yields with a relatively low input of nitrogen fertilizer and are regarded as efficient nitrogen users (Karp and Shield ).

Salix is frequently regarded as a front-runner in the search. Using a genetic map of the F(2) composed of single-dose AFLP markers, a total of 19 genomic regions controlling freezing resistance (10) and phenological traits (9) before and during cold.

Introduction. Freezing temperatures limit the growth and reproduction of plant species inhabiting high‐latitude regions, but little is known about intraspecific genetic variation in the ability of plants to withstand freezing, which is required for response to natural selection (Agrawal et al., ; Oakley et al., ).High‐latitude regions in temperate ecosystems are characterized by a.

Morphological and Genetic Variation in Natural Populations of Populus euphratica He Jing -The Fibre Morphology Variation of Triploid Clones of Populus tomentosa and its Supposed Harvesting Age for Paper Industry Calcium and Calmodulin in Freezing-Acclimation-Induced Freezing Resistance of Populus tomentosa Cuttings Mácola G.

To investigate the potential of association genetics for willow breeding, Salix viminalis germplasm was assembled from UK and Swedish collections (comprising accessions from several European countries) and new samples collected from nature. A subset of the germplasm was planted at two sites (UK and Sweden), genotyped using 38 SSR markers and assessed for phenological and.

Dunlap JM, Heilman PE, Stettler RF () Genetic variation and productivity of Populus trichocarpa and its hybrids. VIII. Leaf and crown morphology of native P. trichocarpa clones from four river valleys in Washington. Can J For Res – Google Scholar. Abstract. To buffer against the high spatial and temporal heterogeneity of the riparian habitat, riparian tree species, such as black poplar (Populus nigra L.), may display a high level of genetic variation and phenotypic plasticity for functional a multisite common garden experiment, we estimated the relative contribution of genetic and environmental effects on the phenotypic.

Genetic mapping of quantitative trait loci (QTL) for resistance to Melampsora leaf rust was performed in two willow families: the progeny from a backcross between Salix viminalis and a hybrid S.

Many members of the Salicaceae produce phenolic glycosides, and the concentrations of these are known to vary among plants. We determined whether the concentration of two phenolic glycosides, salicortin and 2′-cinnamoyl salicortin, varied among clones of Salix sericea and whether this variation was due to the sex of the plant.

We tested 16 clones, seven male and nine female, for variation. Genetic Analysis of Stem Hydraulic Properties, Foliar Carbon Isotope Composition, and Growth in a Pseudo-Backcross Population of Populus Creator: Miles, Brianna L.

Place of Publication: [Gainesville, Fla.] Publisher: University of Florida Publication Date: Language: english Physical Description: 1 online resource (89 p.).

For example, genetic variation has been detected in the vicinity of the phytochrome loci PHYB1 and PHYB2 (Howe et al., ), and given that BSP expression is phytochrome‐mediated, it will be germane to determine how much the variation in seasonal BSP accumulation in Populus is explained by genetic variation in these phytochrome loci.

Much of the literature describing genetic variation in cold hardiness in wind- break species involves green ash (Fraxinus pennsylvanica Marsh.) and Sibe- rian elm (Ulmus pumila L.) (Table I).

In North American experiments with green ash there is good evidence that planting stock of this species can be safely moved up to miles north of.Potentially adaptive variation within and between Populus species Leaf shape, indumentum and serrature Poplars are enormously variable in leaf characters.

Much of this variation is heteroblastic varying according to growth stage. However, clones within species differ and it is clear that genetic variation exists (Wu et al., ).In the progeny, all traits varied significantly among genotypes (Table 1, Figure 1).The variation of genotypic means for bud burst was smaller in the field than indoors (11 vs.

17 days, Figure 1 b, h). A large part of the phenotypic variation for all the traits and in all experiments was due to genetic factors as shown by relatively high broad-sense heritabilities (–) (Table 2).