Báo cáo lâm nghiệp: "The root-plant ratio changes in the first growing periods of wild cherry (Prunus avium L.) plantations" pptx
Báo cáo lâm nghiệp: "The root-plant ratio changes in the first growing periods of wild cherry (Prunus avium L.) plantations" pptx
... that the fine root ratio is stable at least in the first growing period of new plantation and the best growing plants have about the same fine root ratio as the poorly growing ones. Even the regression ... explaining 92% of the relationship.An adequate proportion of fine roots (thinner than 2 mm) in the root system is another important parameter of planting stock and thus the changes in the ... from the regression analysis.Our interpretation of the data is that the efficiency of root system in terms of plant growth remains stable at least in that first growing period of plant in the...
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Báo cáo lâm nghiệp: " Growth of wild cherry (Prunus avium L.) in a mixture with other species in a demonstration forest" ppsx
... stand-forming capacity of wild cherry as well as its capacity to keep its position in a stand.MATERIAL AND METHODS A large stand with wild cherry trees as a stand-forming species in the area of Demonstration ... broadleaves such as Quercus robur, Quercus petraea, Tilia sp. and Carpinus betulus (P 2007). Growth of wild cherry (Prunus avium L.) in a mixture with other species in a demonstration forest ... evaluation of growth parameters in clonal test with wild cherry. Journal of Forest Science, 53: 57–65.KOBLIHA J., 2002. Wild cherry (Prunus avium L.) breeding program aimed at the use of...
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Báo cáo lâm nghiệp: "Regeneration and game damage in the Krušné hory Mts. assessed on the basis of National Forest Inventory of the Czech Republic" pps
... possibilities of National Forest Inventory for the evaluation end, there comes the Inventory of Game Damage in the Smaller Territo-rial Units.CONCLUSIONResults from National Forests Inventory ... during repeated investigation in comparison with the rest of the investigated territory. In the course of five years, in relation to the original points and on the basis of a new investigation, ... 285etc., and their combination, which means that the category of game damage is the sum of damage types investigated during National Forests Inventory ac-cording to its methodology. In the investigated...
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Báo cáo lâm nghiệp: "Forest watershed runoff changes determined using the unit hydrograph method" pps
... Unit hydrograph is a basic method to show changes in runoff in the watershed. e investigation of runoff changes was carried out in the U Dvou louček watershed situated at the summit part of the ... runoff on the recession limb of the hydrograph. However, further investi-gations are needed. One of the suggested research questions is whether the forest stand will affect the form of the hydrograph ... Supported by the Ministry of Agriculture of the Czech Republic, Project No. MZE 0002070201, and Projects No. 1G57016 and QH92073.Forest watershed runoff changes determined using the unit hydrograph...
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Báo cáo lâm nghiệp: "Parental participation in progeny and effective population sizes in experimental seed orchards of wild cherry Prunus avium L. (Batsch)" docx
... www.afs-journal.orgDOI: 10.1051/forest:2007030Original articleParental participation in progeny and effective population sizes in experimental seed orchards of wild cherry Prunus avium L. (Batsch)Stéphanie Ma,b,c,g,*, ... based on the seed crop,instead of the number of flowers led to observe a diminution of the effective size of 1.8, 3.6 and 1.4 respectively in seed orchard #1, #2 and #3. Effective sizes of parents, ... diminution of the effective size of 0.5, 0.1 and 1.3respectively in seed orchards #1, #2 and #3. Considering thepollination success obtained with the paternity analysis instead of the number of...
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Báo cáo lâm nghiệp: "Heartwood and sapwood variation in Eucalyptus globulus Labill. trees at the end of rotation for pulpwood production" potx
... at: c INRA, EDP Sciences, 2007 www.afs-journal.orgDOI: 10.1051/forest:2007045Original articleHeartwood and sapwood variation in Eucalyptus globulus Labill. trees at the end of rotation for ... 29]. The initiation and rate of transformation of sapwood intoheartwood are explained by several theories, namely that it is the amount of sapwood, e.g. area or radial width that regulates the ... properties, the suitability of eucalypts for papermaking is in uenced by the extent of heartwood and of sapwood within the pulpwood logs. Heart-wood has a negative in uence on the pulping quality increas-ing...
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Báo cáo lâm nghiệp: "Sucrose synthase expression pattern in the rhythmically growing shoot of common oak (Quercus robur L.)" pot
... (2005) 585591â INRA, EDP Sciences, 2005DOI: 10.1051/forest:2005051Original articleSucrose synthase expression pattern in the rhythmically growing shoot of common oak (Quercus robur L.)Rozenn ... incorporation of cDMO as a indicator of organ sink strength in oak, that on the 2nd day, the apex is astronger sink than the other organs [4]. We also localized the SuSy protein in storage tissues of the bud, ... good indicator of the sink strength of an organ [24], the shoot apex on the 2nd day of the flush appears therefore to be the strongest sink of the shoot. This fact is supported by the non-vascular...
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Báo cáo lâm nghiệp: "Morphological and functional variability in the root system of Quercus ilex L. subject to confinement: consequences for afforestation" ppt
... length to the depth of the container and preventing the development of re-placement taproots. The confining of lateral roots in the con-tainer and their downward growth lead to the generation of ... prevent root spi-ralling, and holes in the base facilitate drainage and encourageair pruning of roots. Continual air pruning induces a limita-tion to the main root growth by shortening its ... morphology and topology For the morphological characterisation of shoots and roots and the topological characterisation of roots, 22 seedlings were taken ran-domly per type of container at the end of the...
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Báo cáo lâm nghiệp:"Selfing and sibship structure in a two-cohort stand of maritime pine (Pinus pinaster Ait.) using nuclear SSR markers Santiago C. González-Martíneza,b, Sophie Gerberc, María-Teresa Cerverad, José-Miguel Martínez-Zapaterd, Ricardo " ppsx
... Ait.) using nuclear SSR markers Santiago C. González-Martínez a, b, Sophie Gerberc, Mar a- Teresa Cerverad, José-Miguel Martínez-Zapaterd, Ricardo Al a a and Luis Gilb* a Unidad de ... 115Ann. For. Sci. 60 (2003) 115121â INRA, EDP Sciences, 2003DOI: 10.1051/forest:2003003Original articleSelfing and sibship structure in a two-cohort stand of maritime pine (Pinus pinaster Ait.) ... Gil L., Al a R., Seed gene flow and fine-scale structure in a Mediterranean pine (Pinus pinaster Ait.) using nuclear microsatellite markers, Theor. Appl. Genet. 104 (2002)1290–1297.[21] Hamrick...
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Báo cáo lâm nghiệp:" Mid-winter ultrastructural changes in the vegetative embryonic shoot of Norway spruce [Picea abies (L.) Karst.]" pdf
... shoot is still insufficient. The aim of this study was to determinewhether changes take place in the submicroscopic structure of the distal part of an embryonic Norway spruce shoot duringwinter dormancy ... (2003) 461466â INRA, EDP Sciences, 2003DOI: 10.1051/forest:2003039Note Mid-winter ultrastructural changes in the vegetative embryonic shoot of Norway spruce [Picea abies (L.) Karst.]Marzenna ... The results presented in this studyprovide data on the period when changes in spruce embryonic shoot were not observed and the period when the changes mayindicate that the winter dormancy of...
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Báo cáo lâm nghiệp: "Predicting solar radiation transmittance in the understory of even-aged coniferous stands in temperate forests" ppt
... characteristics, the time since last thin-ning τ and the thinning intensity I were retained for this study. Thin-ning intensity I is defined in terms of basal area, being equal to the ratio of absolute ... since thinning increased (data not shown).Thus the influences of stand age, time since last thinning andintensity of last thinning on extinction coefficient b (relation-ship (2)) were further ... lines: thinning of intensity = 0.5, 3 years ago.Parameter agemax was set at 20 years. Solar radiation in coniferous stand understory 639within 10 m, possible due to the light extinction induced...
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Báo cáo lâm nghiệp: "Internal levels of plant growth regulators during in vitro culture of wild cherry (Prunus avium L.)" doc
... andbenzyladenine during in vitro bud growth induc-tion of wild cherry (Prunus avium L.). Plant Growth Regul. 8, 325-333Leroux B., Maldiney R., Miginiac E., Sos-sountzov ... Internal levels of plant growth regulators during in vitro culture of wild cherry (Prunus avium L.)P. Label1D. CornuB. Sotta2E. Miginiac1 INRA, Station dAm6lioration ... culture in vitro. Rev. For. Fr. 38, 60-68Epstein E. & Lav6e S. (1986) Conversion of indole-3-butyric acid to indole-3-acetic acid bycuttings of gravepine (Vitis vinifera)...
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Báo cáo lâm nghiệp: "Diurnal and seasonal fluctuations in the bark respiration of standing Quercus acutissima trees in Nakaizu, Japan" docx
... the stem and on fine days during the growing season.On cloudy and rainy days, the depression Diurnal and seasonal fluctuations in the bark respiration of standing Quercus ... day, and the difference between the daily maximum and minimum values of respiration rates in the upper part of the stem was greaterthan that of the lower part of the ... 13.8°C. Bark respiration was measured in 8 parts of stem bark at different heights of dominant (d) and suppressed (s) trees, located at the edge (o) and within (*) the stand...
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Báo cáo lâm nghiệp: "Ultrastructural and biochemical changes at the preinfection stage of mycorrhizal formation by two isolates of Pisolithus tinctorius" ppt
... response of eucalypts to mycor-rhizal inoculation in the Congo. For. Ecol.Manag. 24, 151-157 Ultrastructural and biochemical changes at the preinfection stage of mycorrhizal formation by ... & Trappe J.M. (1984)Ectomycorrhiza formation in eucalyptus. The ultrastructure of compatible and incompatible mycorrhizal fungi and associated roots. NewPhytoL 96, 43-53Massicotte ... hadoccurred.Materials and MethodsPlant materials and mycorrhizal synthesis wereaccording to Malajczuk et al. (1989). Fine lat-eral roots were sampled after 2 and 4 d of incu-bation...
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Báo cáo lâm nghiêp: "Efficacité d’un paillage de papier journal la croissance initiale du merisier (Prunus avium)" pdf
... Efficacité d’un paillage de papier journal sur la croissance initiale du merisier (Prunus avium L.)H. FROCHOTechnique de L. WEG. LEVYLEN *, Y LEavec la collaboration ... un paillage de papier journal. Deux ans après la mise en place, tous les traitements sont significativement supérieursau témoin pour la hauteur et le diamètre des merisiers. ... altéré.L’efficacité du papier journal semble être liée à une économie des réserves hydriques du sol.Mois clé.r : Paillage, papier jourrtnl, crois-saiice initiale, tneri.rien.IntroductionLe...
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