Báo cáo lâm nghiệp: "Genetic variation and genotype by envir

Báo cáo lâm nghiệp: "Genetic variation and genotype by environment interactions of juvenile wood chemical properties in Pinus taeda " pps

... 897 c  INRA, EDP Sciences, 2006 DOI: 10.1051/forest:2006073 Original article Genetic variation and genotype by environment interactions of juvenile wood chemical properties in Pinus taeda L. Robert ... properties of juvenile wood (ring 3) and transition wood (ring 8), respectively. Thin wafers (200 µm) from earlywood and latewood of ring 3 and ri...

Ngày tải lên : 07/08/2014, 16:20

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Báo cáo lâm nghiệp: "Genetic variability and divergence among Italian populations of common ash (Fraxinus excelsior L.)" ppt

... principal aim of this study was to assess the level and the distribution of genetic variation of common ash in Italy, in order to get essential knowledge for planning activities in the ﬁelds of ... Analysis of molecular variance (AMOVA) within and among the populations joined according to pedo-climatic regions. Source of variation df Sum Variance Percentage of squa...

Ngày tải lên : 07/08/2014, 16:20

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Báo cáo lâm nghiệp: "Genetic variation of Tunisian Myrtus communis L. (Myrtaceae) populations assessed by isozymes and RAPDs" pptx

... the number of bands shared by samples x and y,andm x and m y are the number of bands in samples x and y, respectively. Genetic dis- tance (D) was estimated using the complementary value of similarity coeﬃcient: ... ulmifolius Schott. and Calycotome villosa (Poiret) Link. In the three areas, populations are more and more disturbed and fragmented as a result of an incr...

Ngày tải lên : 07/08/2014, 16:21

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Báo cáo lâm nghiệp: "Genetic variation of Prunus avium in susceptibility to cherry leaf spot (Blumeriella jaapii) in spatially heterogeneous infected seed orchards" docx

... is now increasingly planted in Europe, both in aﬀorestation of abandoned farmland and enrichment of forests [26]. In Gali- cia (NW Spain) a long term breeding program for this species was started in ... * P < 0.05. and without the covariate indicates that 17.7–65.0% in Areas and 55.5% in Sergude of the explainable variation in clone mean leaf spot susceptibility...

Ngày tải lên : 07/08/2014, 16:20

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Báo cáo lâm nghiệp: "Genetic parameters for lignin, extractives and decay in Eucalyptus globulus" pdf

... physical and chemical wood properties are important to kraft pulping, and variations in these can be conducive to minimising the costs or environmental impacts of the process. Kraft pulping generally ... extractives contents of wood, are traits that are fast being recognised as having im- portance in minimising the costs and environmental impacts of kraft pulping. As...

Ngày tải lên : 07/08/2014, 16:20

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Báo cáo lâm nghiệp: "Radial variation of wood density components and ring width in cork oak trees" pptx

... signiﬁcantly in uenced by any of the studied sources of variation. 4. DISCUSSION In spite of the diﬃculty in identifying ring boundaries and the resulting necessity in many cases of cross-examination with ... the innermost rings and increasing it in the outward rings. Until the beginning of cork extraction the accumulation of extractives should contribute to the h...

Ngày tải lên : 07/08/2014, 16:20

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Báo cáo hóa học: " Genetic variation and recombination of RdRp and HSP 70h genes of Citrus tristeza virus isolates from orange trees showing symptoms of citrus sudden death disease" potx

... 94°C (1 minute), 55°C (1 minute), and 68°C (1 minute), and last extension of 72°C for 7 minutes. Cloning and sequencing of amplified fragments RT-PCR amplified DNA fragments were separated by aga- rose ... the alignment containing indels or missing data for any of the sequences were excluded from analyses leaving indel-free alignments containing 499 and 411 columns of HSP70h...

Ngày tải lên : 20/06/2014, 01:20

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Báo cáo lâm nghiệp: "Neuroptera, Raphidioptera and Mecoptera assemblages inhabiting young spruce (Picea abies) forests: dominance structure and seasonal activity patterns" docx

... of the spruce forest decline caused by drought and infestation by honey fungus. By comparison, other localities are covered with much closer and denser spruce forests as in the surroundings ... trees. H and V (2002) ob- served the peak of its activity in spruce forests of Paskovský les and Loucký les at the end of May in 1998. e delay of its ﬂig...

Ngày tải lên : 07/08/2014, 03:22

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Báo cáo lâm nghiệp: "Production potential and ecological stability of mixed forest stands in uplands – VI. A beech/larch stand on a mesotrophic site of the Křtiny Training Forest Enterprise" pot

... frequency of larch and beech in height and diameter classes e development of larch and beech frequency in height classes in the course of 1961–2003 is given in Tables 4 and 5, and in diameter ... potential and ecological stability of mixed forest stands in uplands – III. A single tree mixed stand with Douglas ﬁr on an eutrophic site of the Křtiny Trainin...

Ngày tải lên : 07/08/2014, 03:22

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Báo cáo lâm nghiệp: " Humus conditions and stand characteristics of artificially established young stands in the process of the transformation of spruce monocultures" pdf

... hazard of floods in piedmont and lowland regions, intercepts consider- able amounts of rainfall water penetrating through crowns of stands and releases the water into underly- ing soil layers to increase ... Distribution of pH H 2 O in layers of forest floor and organomineral horizon in different experimental stands Fig. 3. Distribution of pH KCl in layers of fo...

Ngày tải lên : 07/08/2014, 03:22

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