Báo cáo lâm nghiệp: "Influence of exogenous L-proline on embryogenic cultures of larch (Larix leptoeuropaea Dengler), sitka spruce (Picea sitchensis (Bong ) Carr ) and oak (Quercus robur L ) subjected to cold and salt stress" pdf
Báo cáo lâm nghiệp: "Influence of exogenous L-proline on embryogenic cultures of larch (Larix leptoeuropaea Dengler), sitka spruce (Picea sitchensis (Bong.) Carr.) and oak (Quercus robur L.) subjected to cold and salt stress" pdf
... shown). 3.4. Measurement of intracellular proline concentration in embryogenic cultures subjected to below freezing temperatures The concentration of proline in embryogenic cultures of larch, sitka ... seen that exogenous proline reduces K + leakage from larch, sitka spruce and oak. Figure 2. Influence of proline on the growth rate of larch (Larix...
Ngày tải lên: 08/08/2014, 01:22
Báo cáo lâm nghiệp: "Carbon stock changes in a peaty gley soil profile after afforestation with Sitka spruce (Picea sitchensis)" potx
... dans le profil des sols tourbeux à gley après boisement avec l épicéa de Sitka (Picea sitchensis (Bong. ) Carr) . Les variations de stocks de carbone (C org ) dans la litière (O L ), dans l horizon ... chronosequence of Sitka spruce (Picea sitchensis) on peaty gley soil, in Harwood Forest (N.E. England). The sites chosen were: unplanted natural grasslan...
Ngày tải lên: 08/08/2014, 00:22
Báo cáo lâm nghiệp: " Zygotic embryogenesis and empty seed formation in European larch (Larix decidua Mill.)" pptx
... of pollination and clone. Pollination Clone Proportion of ovules with the complete degeneration of embryos Unfertilized From fertilized ovules ( %) From total number of ovules ( %) ovules ( %) Open Self Total M5 M10 Š13 Š14 Total M5 M10 Š13 Š14 Total ... its connection with the intracellular con- tent of fertilized archegonium (Fig. 1c). Formation and development of...
Ngày tải lên: 08/08/2014, 00:21
Báo cáo lâm nghiệp: " Influence of temperatures and precipitation on radial increment of Orlické hory Mts. spruce stands at altitudes over 800 m a.s.l" ppt
... residual tree-ring chronology was created in the ARSTAN application. e chronol- ogy has low values of autocorrelation. e standard regional tree-ring chronology was also established. e range of ... stands Table 2. Synchronization of average tree-ring curves of individual stands Compared curves T-test Synchronization of curves ( %) (according to Baillie & Pilcher) (...
Ngày tải lên: 07/08/2014, 03:22
Báo cáo lâm nghiệp: " Influence of stand density, thinning and elevated CO2 on stem wood density of spruce" pot
... All data were tested on normality and homoge- Table 1. Position of stem discs in stem vertical profile grown in elevated (E) and ambient (A) concentration of CO 2 and sparse (s) and dense (d) ... sections t 8 and below. Methodology for stem volume calculation was based on the length of internodial section and its middle cross-sectional circle area measurement. SWD...
Ngày tải lên: 07/08/2014, 03:22
Báo cáo lâm nghiệp: "Influence of pulverized limestone and amphibolite mixture on the growth performance of Alnus incana (L.) Moench plantation on an acidified mountain site" potx
... essential in order to prevent introskeletal soil erosion (Š 1990; V et al. 200 3). On the one hand, the requirement to convert the allochthonous blue spruce stands as well as the need to ... production and nutrient accumulation in short-rotation grey alder (Alnus incana (L .) Moench) plantation on abandoned land. Forest Ecology and Management, 161: 169–179. U...
Ngày tải lên: 07/08/2014, 04:20
Báo cáo lâm nghiệp: " Influence of a planting hole application of dolomitic limestone powder and basalt grit on the growth of Carpathian birch (Betula carpatica W. et K.) and soil chemistry in the air-polluted Jizerské hory Mts." pptx
... different Table 5. N, P and K concentrations (% of dry matter) in birch leaves Year/variant N ( %) P ( %) K ( %) control limestone basalt control limestone basalt control limestone basalt 1993 1.58 1.84 ... (% of dry matter) in birch leaves Year/variant Ca ( %) Mg ( %) S ( %) control limestone basalt control limestone basalt control limestone basalt 1993 0.50 0.76 0.35...
Ngày tải lên: 07/08/2014, 10:22
Báo cáo lâm nghiệp: "Influence of light and competition on crown and shoot morphological parameters of Norway spruce and silver fir saplings" doc
... foliar- level physiological traits [13], and possibly in allocation pat- terns, but not to morphological ones. 4. CONCLUSIONS Results of the present study confirm the importance of light on growth ... interception and eco- nomic space filling – a matter of whole plant allocation, in: Caldwell M.M., Pearcy R.W. (Eds .), Exploitation of environmental heteroge- neity by plants...
Ngày tải lên: 08/08/2014, 00:21
Báo cáo lâm nghiệp: " Influence of environmental conditions on radial patterns of sap flux density of a 70-year Fagus crenata trees in the Naeba Mountains, Japan" ppsx
... Hallgren J E., Radial velocity profiles of water flow in stems of spruce and oak and response of spruce tree to severing, Tree Physiol. 10 (199 2) 367–380. [3] Ford C.R., McGuire M.A., Mitchell ... interior of the cambium layer and was shown to decrease exponentially along the radial axis of the xylem. We assumed a regular transition in the sap flux density along...
Ngày tải lên: 08/08/2014, 00:21
Báo cáo lâm nghiệp: "Influence of flooding on growth, nitrogen availability in soil, and nitrate reduction of young oak seedlings (Quercus robur L.)" docx
... soils: ( 1) dissimilatory nitrate reduction to ammonia (DNRA or accumulators), ( 2) nitrogen dis- similating bacteria which are only able to reduce nitrate to nitrite ( accumulators) and ( 3) denitrifyiers ... observed in con- trolled seedlings (Fig. 2). 3.2. -N and -N content changes The -N pool was measured in top (5 cm) and bottom (5 cm) soil layer of the pots (Fi...
Ngày tải lên: 08/08/2014, 00:22