... the tricarboxylic acid cycle and relatively low recycling of labeled glucose through the non-oxidative part of the pentose phos- phate pathway and/ or mannitol cycle (Martin et al., ... the pentose phosphate pathway to glucose respiration in ectomycorrhizas and non-mycorrhizal roots of spruce (Picea abies L. Karsten) I. Bilger,...
Ngày tải lên: 09/08/2014, 04:20
... sampling of trees and limits the applicability of the photo method in (a) extremely dense stands and (b) in stands with extremely low crown base. In this case, alternatively laser scanning could ... sample trees. The data base application and the evaluation approach will be devoted to an- other paper (see [10]) and thus, will only be introduced in the context...
Ngày tải lên: 07/08/2014, 16:20
Báo cáo lâm nghiệp: "Assessment of the effects of below-zero temperatures on photosynthesis and chlorophyll a fluorescence in leaf discs of Eucalyptus globulu" pps
... of methods, including measurements of visible symptoms of injury, vital staining techniques, protoplasmic streaming, plas- molysis and changes in the pattern of chlorophyll fluorescence ... slightly increased in treatments of 2 h at -2 and - 3°C, whereas in treatments at -4 and The increasing delay of the fluorescence decrease kinetics...
Ngày tải lên: 09/08/2014, 04:20
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
... for individual trees and defined the product of the squared diameter and the length of the branch beginning at the base of the segment, a proxy of the volume of that part of the branch, as the ... auxiliary variable, and selection with or without replacement. In the present study, the effects of the choice of the auxiliary variable, of the...
Ngày tải lên: 07/08/2014, 03:22
Báo cáo lâm nghiệp: "Assessment of some forest characteristics employing ikonos satellite data" docx
... 345–351 A lot of applications have been developed recently for the forest inventory and monitoring employing LANDSAT TM and SPOT satellite data. e rapid quality development of a new satellite and ... this class a very high proportion of incorrectly classified pixels, mainly in favour of spruce and partially dwarf pine as well. e overall classification accuracy of v...
Ngày tải lên: 07/08/2014, 03:22
Báo cáo lâm nghiệp: "old hardiness as a factor for assessing the potential distribution of the Japanese pine sawyer Monochamus alternatus (Coleoptera: Cerambycidae) in China" pdf
... 0.05). ThebarlineisS.E. Atlas of the People’s Republic of China, 2002). Therefore, the northern limit of the beetle distribution can be determined by ecological and physiological indexes of cold hardiness com- bining ... enough to avoid the cold injury to the overwintering larvae during the winter (Tab. I). Thus, low temperatures in winter should be a limiting fact...
Ngày tải lên: 07/08/2014, 16:20
Báo cáo lâm nghiệp: "Assessment of tension wood detection based on shiny appearance for three poplar cultivars Miguel Angel BADIA, Frédéric MOTHE, Thiéry " pot
... astra blue for crystalline cellulose [27, 33, 34]. The resulting colours are pink to red for cells containing lignin and blue for cellulose. For light-coloured woods like beech or poplar, another ... produced by the majority of the dicotyledons, the definition of wood anatomists refers to the existence of a gelatinous layer (G layer), which replaces the sec- ondary wal...
Ngày tải lên: 08/08/2014, 00:21
Báo cáo lâm nghiệp: ": Climate-tree-growth relationships of Quercus petraea Mill. stand in the Forest of Bercé (“Futaie des Clos”, Sarthe, France)" docx
... between climate and total ring, early- and latewood radial growth. Such a study will allow to precise the time of the transition phase between both components and to partly assess the effect of climate ... the roots will grow and when the new growth cycle begins, the following year, the tree will have a much larger root structure and will therefore be in a...
Ngày tải lên: 08/08/2014, 01:21
Báo cáo lâm nghiệp: " A flow cytometric evaluation of the nuclear DNA content and GC percent in genomes of European oak species" pptx
... endore- plication may increase nuclear DNA, but this cytometric calculation is based on only the first subpopulation of nuclei, the 2C peak, avoiding the higher levels. Yet an- other source ... family. The values are typical for higher plants. This type of data can be use- ful in planning molecular procedures for DNA polymorphism analysis...
Ngày tải lên: 08/08/2014, 18:21
Báo cáo lâm nghiệp: "Stable Agrobacterium-mediated transformation of Norway spruce embryogenic tissues using somatic embryo explants" ppt
... were maintained in the dark and at 23°C on half-strength Litvay medium including vitamins (Duchefa) (L et al. 1985) containing 400 mg l –1 -glutamine and 400 mg l –1 casein hydrolysate ... highly time consuming, and some desirable traits of commercial value, such as insect and fungal resistance, are not available in the breeding populations. e genetic engine...
Ngày tải lên: 07/08/2014, 10:21