Báo cáo lâm nghiệp:"The influence of microclimate and tree age on the defense capacity of European beech (Fagus sylvatica L ) against oxidative stress" pps
Báo cáo lâm nghiệp:"The influence of microclimate and tree age on the defense capacity of European beech (Fagus sylvatica L. ) against oxidative stress" pps
... H., Seasonal variations of glutathione reductase and glutathione in leaves and leaf buds of beech trees (Fagus sylvatica L. ), Phyton 32 (199 2) 99–102. [31] Polle A., Rennenberg H., Photooxidative ... Ecophysiological responses of Fagus sylvatica L. seedlings to changing light conditions. II. The interaction of light environment and soil fertility on seed...
Ngày tải lên: 08/08/2014, 01:21
Báo cáo lâm nghiệp: "Changes in phenolic acids and stilbenes induced in embryogenic cell cultures of Norway spruce by two fractions of Sirococcus strobilinus mycelia" pot
... the control Norway spruce cells the soluble glycoside-bound forms of phenolic acids (SG) accounted for most of the to- tal content (about 85 %), followed by the methanol- insoluble cell wall-bound ... ester-bound (SE), cell wall ester-bound (SWE) and soluble glycoside-bound (SG) phenolic acids in control cells of embryogenic cultures of Norway spruce (C) and in the...
Ngày tải lên: 07/08/2014, 10:21
Báo cáo lâm nghiệp: "Insect damage to cones and other mortality factors limiting natural regeneration potential of Swiss stone pine (Pinus cembra L) in the northern French Alps" doc
... seed predation by nutcracker — may limit insect colonization of stone pine cones (Dormont, 199 3). Similar phenological relationships be- tween seed cone development and action ... through- out the forest. Six branches bearing both conelets and second-year cones were selected per tree and tagged. The position of the conelets and...
Ngày tải lên: 08/08/2014, 18:21
Báo cáo lâm nghiệp: "Delineation of seed zones for European beech (Fagus sylvatica L.) in the Czech Republic based on isozyme gene markers" ppsx
... populations were sampled, one Slovak and two Polish populations from neighbour- ing regions were included. The location of the analyzed populations is given in table I. Only indigenous ... zones on the basis of allozyme gene markers, one of the problems of this approach is the den- sity of the network of sample populations. General...
Ngày tải lên: 09/08/2014, 04:20
Báo cáo lâm nghiệp: " Possibilities of using rooted cuttings of European beech (Fagus sylvatica L.) for stabilisation of forest ecosystems" pptx
... vegetative method of propagation allows to conserve valuable populations and clones of this tree species. Relatively simple transfer and con- servation of high genetic quality make it possible to use ... comparison of two values in the column of values the same letters designate statistically insignificant differences on a 5% significance level Description of variants:...
Ngày tải lên: 07/08/2014, 10:21
Báo cáo lâm nghiệp: "Parental participation in progeny and effective population sizes in experimental seed orchards of wild cherry Prunus avium L. (Batsch)" docx
... in which all clones contribute equally to the seed crop. Equal contribution of each clone would mean that all females have the same seed yield and that all males sire the same number of seeds. ... ( 2) the second one with a delayed introduction of half of the individuals, the latest clones being installed before the earliest ones with the aim of increasing the...
Ngày tải lên: 07/08/2014, 16:21
Báo cáo lâm nghiệp: "End-use related physical and mechanical properties of selected fast-growing poplar hybrids (Populus trichocarpa × P. deltoides)" potx
... of elasticity is strongly (p = 0.0 5) positively correlated with density. This trend is significant at the clonal level as well as at the interclonal level. The modulus of rupture increases also ... 626 L. De Boever et al. Table IV. Mean clonal shrinkage values (radial (R), tangential (T) and volumetric) and shape factor for two different intervals of relative air humidity...
Ngày tải lên: 07/08/2014, 16:21
Báo cáo lâm nghiệp: "A method for describing and modelling of within-ring wood density distribution in clones of three coniferous species" ppt
... representing 53 clones were felled. The sampling was done randomly with restric- tion that all common clones should be included and the other clones should have at least four living trees left in the trial. ... followed values of mean and followed (inversely) values of standard deviation. The only exception was the ring 1997 of maritime pine containing an unusually high d...
Ngày tải lên: 08/08/2014, 00:21
Báo cáo lâm nghiệp: "Studies on European beech (Fagus sylvatica L.). Part 1: Variations of wood colour parameters" pptx
... L* only on the peripheral positions. Each vertical bar corresponds to the bottom log of one of the 87 trees tested, with the black mark giving the mean and the half-length of the bar the standard ... parameters L* , a*, b*, C* and H*. Table III presents the values obtained for the only 10 peripheral positions labelled PW (10 per log); as a comparison Table IV...
Ngày tải lên: 08/08/2014, 00:22
Báo cáo lâm nghiệp:"Inter-regional variability in site index models for even-aged stands of stone pine (Pinus pinea L.) in Spain" potx
... 2): Northern Plateau (Meseta Norte), Central Range (Sistema Central), West Andalusia (Andalucía Occidental) and Catalonia (Cataluña). This will allow us to analyse the inter-regional variability ... fit the reduced model and full model to the complete data set and to each one of the regional combination data sets. The value of the L statistic ( 6) for Lakkis-Jones...
Ngày tải lên: 08/08/2014, 01:21