Báo cáo lâm nghiệp: "Allozyme variation of Pinus pallasiana

Báo cáo lâm nghiệp: "Allozyme variation of Pinus pallasiana D. Don in Natural Crimean populations and in plantations in technogenously-polluted areas of the Ukraine steppes" ppsx

... estimated and compared among four P. pallasiana D. Don plantations located in the Ukraine steppes and in three Crimea natural populations. The analyses also concerned three groups of trees selected ... lead to a recommendation that these trees be used as the basic material in extensive plantation programs of P. pallasiana in the Ukraine steppes, includi...

Ngày tải lên : 08/08/2014, 01:21

8
356
0

Báo cáo lâm nghiệp: "Genetic variation of Pinus pinaster Ait. seedlings in susceptibility to the pine weevil Hylobius abietis L." docx

... between diameter growth and pine weevil damage. Faster growing families were more attacked hindering the possibility to include the susceptibility to the insect in the breeding program. Pinus pinaster ... by evaluating the wounds in the stem caused by the insect. To avoid sub- jectivity, the stem height was divided in ten parts using an elastic ruler, and wounds we...

Ngày tải lên : 08/08/2014, 00:22

8
461
0

Báo cáo lâm nghiệp: "Genetic variation of Prunus avium in susceptibility to cherry leaf spot (Blumeriella jaapii) in spatially heterogeneous infected seed orchards" docx

... Sergude, respectively. One hundred and fifty-five plus trees, selected for growth and form within natural stands from North Spain, were grafted and planted in these two seed orchards. One hundred and ... = Areas and Sergude), and the kth block within the jth site, respectively, C i S j is the effect of the interaction between the ith clone and the jth site, and...

Ngày tải lên : 07/08/2014, 16:20

10
369
0

Báo cáo lâm nghiệp: "Radial variation of wood density components and ring width in cork oak trees" pptx

... wood degradation and favour the scar formation with a displacement of extractives from heartwood to the outer sapwood, thereby reducing wood density in the innermost rings and increasing it in the ... constant and was not signiﬁcantly in uenced by any of the studied sources of variation. 4. DISCUSSION In spite of the diﬃculty in identifying ring boundaries...

Ngày tải lên : 07/08/2014, 16:20

8
297
0

Báo cáo lâm nghiệp: "Genetic variation of Tunisian Myrtus communis L. (Myrtaceae) populations assessed by isozymes and RAPDs" pptx

... 2). The ﬁrst one includes populations 3 and 4 belonging to the upper semi-arid bioclimate. Populations 1, 2, 5 and 6 from the lower humid and the sub-humid zones clustered together in the second ... extracted from these organs is rich in α-pinene and 1,8-cineole [33,47]. The demand for this plant is increasing in pharmaceutic, perfumery and food industries [34,...

Ngày tải lên : 07/08/2014, 16:21

9
243
1

Báo cáo lâm nghiệp: "Genetic variation of wood density components in a radiata pine progeny test located in the south of Chile" pps

... ED v/s LD; (B) ED v/s EA, and LD v/ LA; and (C) PL v/s ED and PL v/s LD. Genetic variation within ring wood density 107 was measured in each ring. The mid density point (MDP) was calcu- lated ... pattern of variation. In their study of families of radiata pine established in several sites in New Zealand, Cown and Ball [8] also measured average ring density and det...

Ngày tải lên : 08/08/2014, 00:21

10
341
0

Báo cáo lâm nghiệp: "Interannual variation of soil respiration in a beech forest ecosystem over a six-year study" pps

... achieved by adding a dummy variable (D Y ) coded 1 for year Y and coded 0 for other years (R = Σ A Y WD Y e BT ). Mean values of soil respiration and models parameters are given with their standard ... branching and elongation of the remaining trees, and fine root proliferation. Indeed, reduced competition for water after thinning increased lateral root growth in young Pinus...

Ngày tải lên : 08/08/2014, 01:22

7
404
0

Báo cáo lâm nghiệp: "Field performance of Pinus pinea and P. halepensis seedlings inoculated with Rhizopogon spp. and outplanted in formerly arable land Javier" ppsx

... ones. On the other hand, R. roseolus-inoculated seedlings produced in peat- vermiculite and all the seedlings inoculated with R. luteolus, irrespective of the substrate used, did not perform differently than ... consisted of a super- ficial tillage done one month before outplanting. The seedlings were manually planted maintaining the plug intact in a completely rand- omize...

Ngày tải lên : 08/08/2014, 01:22

8
259
0

Báo cáo lâm nghiệp: "Lysimetric study of eucalypt residue management eﬀects on N leaching and mineralization" potx

... sampled and the potential mineralizing and nitrifying capacities of the upper mineral soil layer were assessed. The mineral substrate was divided into three depths (0–5, 5–10 and 10–20 cm), and the ... residues and N demand of new plants. Despite the eﬀect of woody harvest residues in reducing N leaching following harvesting, at long-term (two/three years after t...

Ngày tải lên : 07/08/2014, 16:21

8
247
0

Báo cáo lâm nghiệp: "Genetic variation and genotype by environment interactions of juvenile wood chemical properties in Pinus taeda " pps

... and coarseness means for ring 3 and ring 8 from the pith. E and L stands for earlywood and latewood within each ring, respectively. The thick horizontal bars in the middle of the boxes are the ... juvenile (ring 3) and transition wood (ring 8) across four sites. The thick horizontal bars in the middle of the boxes are the median; lower and upper edges of...

Ngày tải lên : 07/08/2014, 16:20

8
321
0

Báo cáo lâm nghiệp: "Allozyme variation of Pinus pallasiana D Don in Natural Crimean populations and in plantations in technogenously-polluted areas of the Ukraine steppes" ppsx

Báo cáo lâm nghiệp: "Allozyme variation of Pinus pallasiana D. Don in Natural Crimean populations and in plantations in technogenously-polluted areas of the Ukraine steppes" ppsx

Báo cáo lâm nghiệp: "Genetic variation of Pinus pinaster Ait. seedlings in susceptibility to the pine weevil Hylobius abietis L." docx