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Báo cáo lâm nghiệp: "Architecture of root branches of Norway spruce trees (Picea abies [L.] Karst.) growing in gley soil" pptx

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Báo cáo lâm nghiệp: "Improving RBS estimates – effects of the auxiliary variable, stratification of the crown, and deletion of segments on the precision of estimate" pps

... variables, the stratification of the crown and the deletion of segments. In the present study, the effects of the choice of the auxiliary variable and of the created crown structure (segments and nodes, ... dele-tion of the stem segments. After this closer look at the old pine, the effect of stratification and deletion of the stem segments on the precision of estimates is to be studied for all trees of ... e analysis of the effects of the crown structure concentrates on the stratification of the crown and on the deletion of greater segments (e.g. the stem) by using the classical RBS. Statistical...
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Báo cáo lâm nghiệp: "Contribution to the knowledge of Clethrionomys glareolus populations in forests of managed landscape in Southern Moravia (Czech Republic)" pot

... 6215648902.Contribution to the knowledge of Clethrionomys glareolus populations in forests of managed landscape in Southern Moravia (Czech Republic)J. SFaculty of Forestry and Wood Technology, ... found in southern Moravian forests as exerted by the bank vole gnawing the stems of young trees. In controlled forests 40% of young oak plantings were damaged to some extent after winter 2004–2005 ... types of low altitude forests (e.g. Z 1973). In all of them Cg is one of the dominant species. In our study we concentrated on the study of the population of this species as also some other...
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Báo cáo lâm nghiệp: "Occurrence, biology and harmfulness of Galerucella lineola (F.) (Coleoptera, Chrysomelidae)" pps

... Supported by the Ministry of Education, Youth and Sports of the Czech Republic, Project No. MSM 6215648902.Occurrence, biology and harmfulness of Galerucella lineola (F.) (Coleoptera, Chrysomelidae) ... or at the end of April and at the beginning of May (H, Fig. 1. A female of the alder biological form of Galerucella lineola Fig. 2. e body length of males and females of the alder ... development of the alder biological form of G. lineola on leaves of A. glutinosa and A. incana. Polnička, 1995 (light). e diagram of occurrence and development of the willow biological form of G. lineola...
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Báo cáo lâm nghiệp: "Contribution to the knowledge of Apodemus sylvaticus populations in forests of the managed landscape of southern Moravia (Czech Republic)" potx

... respect to damage to forest stands. In the present paper, the population dynamics of As is described in larger forest complexes of southern Moravia depending on the biotope and food supply including ... (Apodemus sylvaticus) . Journal of Zoology (London), 198: 83–102.SUCHOMEL J., 2007. Contribution to the knowledge of Clethrionomys glareolus populations in forests of managed landscape in ... reached the higher winter population abundance than in the other two forests (Fig. 1). It also showed higher litter sizes in spring and summer. However, populations in all forests declined during...
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Báo cáo lâm nghiệp: "Growth and physiological state of beech seedlings grown in a nursery in different light conditions" docx

... to a gap was still lower after 30 days than in the leaves of plants left in the shade and in control seedlings growing in the gap.Photoinhibition in beech seedlings grown in the shade and ... weight and volume of shoots and root systems than seedlings grown in the shade. A higher number of leaves, larger total leaf area and higher dry matter of leaves per 1 plant were de-termined in seedlings ... erent light conditions after outplanting. Many data are available on reactions of seedlings grow-ing in the shade to a sudden increase in light access. Some characteristics change very rapidly,...
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Báo cáo lâm nghiệp: "Soil environment and nutrient status of Norway spruce (Picea abies [L.] Karst.) underplantings in conditions of the 8th FAZ in the Hrubý Jeseník Mts" potx

... Nor-way spruce (Picea abies [L.] Karst.) underplantings in the Hrubý Jeseník Mts. In the area concerned 19 research plots were established, representing the ridge sites of the 8th FAZ of acid ... growth and development of Norway spruce plantings in the ridge part of the Hrubý Jeseník Mts.Keywords: Norway spruce; nutrient deficiency symptoms; stand nutrition; soil environment Supported by the ... nutrition of stands.R ef er en ce sB J., MŁ S. (2008): Stability of Norway spruce (Picea abies [L.] Karst.) stands in the Beskid Ś laśki and beskid Žywiecki Mts. from the aspect of their...
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Báo cáo lâm nghiệp: "Stable Agrobacterium-mediated transformation of Norway spruce embryogenic tissues using somatic embryo explants" ppt

... 277Stable Agrobacterium-mediated transformation of Norway spruce embryogenic tissues using somatic embryo explantsD. P, J. B, H. N, J. VInstitute of Plant Molecular ... plants after the co-cultivation of embryo- genic tissues with Agrobacterium tumefaciens. e possibility of Agrobacterium-mediated transforma-tion of spruce embryogenic tissues was described also ... of K et al. (2001) that the success of spruce embryogenic tissue transformation is dependent on the choice of embryogenic cell line sensitive to Agrobacterium. Starting with embryos...
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Báo cáo lâm nghiệp: "Architecture of root branches of Norway spruce trees (Picea abies [L.] Karst.) growing in gley soil" pptx

... the thinnest root- diameter classes in the spruce trees growing in shallow gley soil. It seems that the spruce trees growing in gley soil form a similar root structure as those growing in podzolic ... of root branches in the windthrown spruces (Picea abies [L.] Karst.). After cleaning the root plates, the number, diameter, and length of individual root branches were measured. Individual root ... values of frequency of root branches according to individual root- diameter classes in Norway spruce (± standard deviation)Fig. 4. Mean values of length of root branches according to individual...
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Báo cáo lâm nghiệp: "Relationships between the parameters of aboveground parts and the parameters of root plates in Norway spruce with respect to soil drainage" docx

... correlation between the aboveground parameters and the depth of root plates in spruce trees growing both in waterlogged and in well-drained sites. According to our results, it seems that the roots of ... 353JOURNAL OF FOREST SCIENCE, 56, 2010 (8): 353–360Relationships between the parameters of aboveground parts and the parameters of root plates in Norway spruce with respect to soil drainageP. ... e-mail: stofko@neulogy.euness of root plates in Norway spruce trees, and it is probable that there does not exist any relationship between the aboveground parts and the rooting depth in adult spruce...
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Báo cáo lâm nghiệp: "Predicting the vertical location of branches along Atlas cedar stem (Cedrus atlantica Manetti) in relation to annual shoot length" pdf

... angle.between the height of insert point of the highest branch and the height of insert point of the branch of interest). In every annual shoot of the stem, the branches were ordered from the top to the ... Branch location on Atlas cedar tree stem 717 the growth rate of the parent shoot. In particular, the great ex-tent of the neoformed zone 3 in the annual shoots of the main stem expresses the adaptive ... hr is the calculated height of insert point of the branch to the pith, hm is the measured height of insert point of the branch to the trunk, ri+1is the radius of the stem measured below the branch...
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Báo cáo lâm nghiệp: "Genetic structure and phylogeography of pine shoot beetle populations (Tomicus destruens and T. piniperda, Coleoptera Scolytidae) in Italy" pot

... 10.1051/forest:2005031Original articleGenetic structure and phylogeography of pine shoot beetle populations (Tomicus destruens and T. piniperda, Coleoptera Scolytidae) in ItalyMassimo FACCOLI*, ... sibling species of pine shoot beetle, Tomicus destruens and Tomicus piniperda, differstrongly in relation to the genetic structure of their populations in Italy as well as in Europe. T. destruens ... COI wasinvestigated in eight populations by SSCP analyses and sequencing. In the sampled populations T. destruens and T. piniperda were not foundto be sympatric. T. destruens populations of southern...
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Báo cáo lâm nghiệp: " Nutritive stress and cytokinin status in Norway spruce seedlings (Picea abies L. Karst.)" ppsx

... 449453â INRA, EDP Sciences, 2005DOI: 10.1051/forest:2005041Original article Nutritive stress and cytokinin status in Norway spruce seedlings (Picea abies L. Karst.)Klaus v. SCHWARTZENBERG*, Heinz ... increase the cytokinin content in the shoot of Norway spruce. cytokinin / forest decline / nutrient deficiency / Norway spruce / Picea abies Résumé – Stress nutritionnel et teneur en cytokinines ... artificialincrease of auxin on the root level can induce changes of the cytokinin content in the shoot. In discussing the elevated content of cytokinin ribosides in shoots of seedlings grown on STRESS- AlCl3...
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Báo cáo lâm nghiệp: "A fractal root model applied for estimating the root biomass and architecture in two tropical legume tree species" pps

... refer to the simu-lated root extension in two other trees and the small dots refer toother trees. Fractals for root biomass and architecture 339 in exposed root systems were similar for both ... extension in trees 6 and 10, the small dots refer to other trees and the rectangle is the 12 -tree sample plot. For G. sepium, the simulated root architecture of a tree is shown, and the ellipses ... research the waysof improving the accuracy of the fractal root model as formu-lated by van Noordwijk et al. [21, 25] for describing the archi-tecture of a tree root system, and predicting root biomass...
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Báo cáo lâm nghiệp: " from the simple application of a mixture of to more gibberellins integrated explanations" pot

... which had more basic ones. A similar distribution wasobserved in tobacco (Cabanne et al.,1977).These biochemical changes of earlystages of initiation have yet to be verifiedin ... treesmakes the sampling problem for biochemi-cal studies on the early steps of flowering a crucial one. Another approach to thisproblem is to find a biochemical markerthat ... may accompany all the treatments, including the GA4/7 injec-tion. Still, there seems to be no apparentrelationship between ABA content andflowering response. Axillary apices...
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Báo cáo lâm nghiệp: "phytotoxic solutions on the respiration of mycorrhizal and non-mycorrhizal spruce roots (Picea abies L. Karst.) Effect of" pot

... Effect of phytotoxic solutions on the respiration of mycorrhizal and non -mycorrhizal spruce roots (Picea abies L. Karst.) F. Pellissier L. TrossetBiopedology ... plants. This interactionwas demonstrated in the laboratory bymeasuring the respiration of excised spruce roots. Using oxygen consumption as an indi-cator of metabolism, we ... follow the kinetics of oxygenconsumption by excised roots in a liquid The next stage in these studies is the investigation of the microcosm (cell unit) todetermine the...
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