Báo cáo lâm nghiệp: "Genetic variation of Tunisian Myrtus co

Báo cáo lâm nghiệp: "Complex study of foliage nutrient status in ash fertilized Scots pine stands in Lithuani" pptx

... complex analyses of foliage nutrient status in a Scots pine stand in Lithuania. Site. e study site lies in the SW part (54°55'N, 23°43'E) of Lithuania in a common Scots pine stand for ... study aim was to interpret the foliage and soil analyses, and to ﬁnd possible indications in the soil-plant relation in the stand. e analyses of the fol...

Ngày tải lên : 07/08/2014, 03:22

12
409
0

Báo cáo lâm nghiệp: "Eﬀects of microsite variation on growth and adaptive traits in a beech provenance trial." pps

... environmental indicators.  e aim of this study was to clarify to what extent the spatial variation of environment a ects growth and adaptive traits in a provenance trial, and whether blocking can ... genetic variation within populations and/ or environmental variation on very small scales. Analysis of covariance conﬁ rmed the expected signiﬁ cant provena...

Ngày tải lên : 07/08/2014, 10:21

8
364
0

Báo cáo lâm nghiệp: "The survey of some factors affecting bark lesion development caused by Phytophthora cactorum on common beech and other broadleaved trees" pdf

... Czech Republic, Project No. QH71273. e survey of some factors aﬀecting bark lesion development caused by Phytophthora cactorum on common beech and other broadleaved trees V. H, K. Č, ... Extent of bark lesions caused by P. cactorum isolates Nos P066.07, P078.07 and P100.07 on syca- more, beech, alder, lime, ash and oak saplings Fig....

Ngày tải lên : 07/08/2014, 10:21

8
356
0

Báo cáo lâm nghiệp: " Genetic control of the time of transition from juvenile to mature wood in Pinus radiata D. Don" pdf

... for increased stiﬀness of juvenile wood or an early transition age from juvenile to mature wood. The objective of this study was to investigate the age of transition from juvenile to mature wood and ... ascertain the genetic control in time of transition from juvenile to mature wood in radiata pine, there may be an opportunity...

Ngày tải lên : 07/08/2014, 16:20

8
341
0

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

... 897 c  INRA, EDP Sciences, 2006 DOI: 10.1051/forest:2006073 Original article Genetic variation and genotype by environment interactions of juvenile wood chemical properties in Pinus taeda L. Robert ... properties of juvenile wood (ring 3) and transition wood (ring 8), respectively. Thin wafers (200 àm) from earlywood and latewood of ring 3 and ri...

Ngày tải lên : 07/08/2014, 16:20

8
321
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

... suspected, since the infection of this disease occurs through stomata in early spring. Bud burst explained some of the variation in leaf spot incidence (17–65% of the leaf spot clonal variation is due to ... 10.1051/forest:2006084 Original article Genetic variation of Prunus avium in susceptibility to cherry leaf spot (Blumeriella jaapii) in...

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

... eﬀect of bark stripping on wood produc- tionincorkoak(Quercus suber L.) and problems of growth ring deﬁnition, in: Pereira H. (Ed.), Cork oak and cork, Proceedings of the European Conference on Cork ... average ring density; MND, minimum density; MXD, maximum density; EWD, earlywood density, LWD, latewood density; RW, ring width; LWP, latewood percentage; HI, h...

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

... 10.1051/forest:2007061 Original article Genetic variation of Tunisian Myrtus communis L. (Myrtaceae) populations assessed by isozymes and RAPDs Chokri Messaoud a ,MakremAfif a , Abdennacer Boulila a , ... the Nei and Li’s similarity coeﬃcient [38]: S xy = 2m xy /(m x + m y ), where m xy is the number of bands shared by samples x and y,andm x and m y are the...

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

... control of this trait appears to reach a maximum early in the life of trees and therefore maximum gains from selection can be obtained in the first-formed wood. In a 23 year-old radiata pine progeny ... until ring 18, while earlywood density followed an oscillating pattern of variation. In their study of families of radiata pine established in sever...

Ngày tải lên : 08/08/2014, 00:21

10
341
0

Báo cáo lâm nghiệp: "Genetic control of adventitious rooting on stem cuttings in two Pinus elliottii × P. caribaea hybrid families" pptx

... (2005) 403412 â INRA, EDP Sciences, 2005 DOI: 10.1051/forest:2005036 Original article Genetic control of adventitious rooting on stem cuttings in two Pinus elliottii ì P. caribaea hybrid families Mervyn ... shown to be effective in maintaining juvenile rooting responses in operational hedges of P. elliottii ì P. caribaea hybrids till at least age 3...

Ngày tải lên : 08/08/2014, 00:22

10
277
0

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

... (2005) 681688 â INRA, EDP Sciences, 2005 DOI: 10.1051/forest:2005064 Original article Genetic variation of Pinus pinaster Ait. seedlings in susceptibility to the pine weevil Hylobius abietis L. Rafael ... level of genetic variation in the susceptibility to pine weevil damage in a subset of the actual P. pinaster breeding population in Gali...

Ngày tải lên : 08/08/2014, 00:22

8
461
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

... diversity. The main locations of the larger provenances (Fig. 1 and Tab. I) are: (a) the southern macro-slope of the main range of the Crimea mountains, 3 natural stands coded C; (b) the Ukraine steppe ... also within the Crimea populations. They defined this pine as one of the most variable within the genus Pinus. Moreover, most of the afforestation pr...

Ngày tải lên : 08/08/2014, 01:21

8
356
0

Báo cáo lâm nghiệp: "Can sales of infested timber be used to quantify attacks by Ips typographus (Coleoptera, Scolytidae)? A pilot study from Belgium" ppt

... the inventory takes 10 years to be completed. An alternative method is needed for a rapid assessment of infestations. In this paper, we evaluate whether data from sales of attacked timber can be used to ... an out- break of I. typographus in 1991–1992. Information on attacks by the bark beetle was extracted from timber sales for 1988 to 1996. In Belgium,...

Ngày tải lên : 08/08/2014, 01:22

4
324
0

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

... growing, beech stand, and stand biomass increased by about 10% each year (unpublished data). An increase in soil respiration in a young slash pine plantation has been ascribed to an increase in ... RESULTS Soil respiration exhibited pronounced seasonal variations with minimal values in winter and high values in early summer Interannual variation of soil respirati...

Ngày tải lên : 08/08/2014, 01:22

7
404
0

Báo cáo lâm nghiệp: "Genetic inventory of European oak populations: consequences for breeding and gene conservation" pps

... 173-185 Original article Genetic inventory of European oak populations: consequences for breeding and gene conservation S Herzog Abteilung für Forstgenetik und Forstpflanzenzüchtung, ... differentiation measures. Consequences for forest tree breeding and conservation of genetic resources Genetic variation is an important prerequisite for the...

Ngày tải lên : 08/08/2014, 18:21

11
196
0