Báo cáo khoa học: "Provenance variation in Pinus nigra at three sites in Northern Greece" pps

... eps. Original article Provenance variation in Pinus nigra at three sites in Northern Greece Constantine Varelides*, George Brofas and Yiannis Varelides Forest Research Institute, Terma Alkmanos, Athens ... beselected for different environments, de- pending on the soil and climatic conditions of the site. Provenance variation in Pinus nigra at three sites in...

Ngày tải lên: 08/08/2014, 14:21

... hybrid shelterbelt, in: Integrated weed management for sustainable agriculture, Proc. Indian Society of Weed Science International Symposium, Hisar, India, 18–20 November 1993, Vol. II, Indian Society ... 1995. [7] Gentle C.B., Duggin J.A., Lantana camara L. invasions in dry rainforest – open forest ecotones: the role of distur- bances associated with fire and cattle grazing, Aust. J. Eco...

Ngày tải lên: 08/08/2014, 14:21

... titratable, with pK a values of 6.0–6.6, suggesting that the catalytic histidine is protonated at pH 5. The existence of activity when the catalytic histidine is protonated indicates that the catalytic-triad ... units, indicating that they are more than 90% complete by pH 5. Therefore, the nonzero limiting rates for bk cat at low pH cannot be attributed to incomplete titration. The data...

Ngày tải lên: 20/02/2014, 23:20

... analyzing the TWINSPAN dendro- gram, several interesting conclusions were obtained. At the first division level, climax Pinus nigra sites were separated from the azonal ones. In ... españoles de Pinus nigra Arn: sintesis ecológica. Mon INIA no 81 Gamisans J, Gruber M (1988) Els boscos de pinassa (Pinus nigra subsp salzmannii) al...

Ngày tải lên: 08/08/2014, 19:21

... the saturation level of substrate digestion by R Nase H in the extracts. Roughly 10% of the input RNA remains uncut. In both cases, the range f rom 0.5 to 2 lL extract is not yet saturating, indicating ... resulted in a staining pattern that has been previously observed in various cell types, using different liposomes [37,38], or microinjection of PS-ODNs into the cytoplasm [38±41]. T...

Ngày tải lên: 08/03/2014, 10:20

... other traits? What is the range of this variation at different genetic levels? What happens if this variation is not taken into account in models? Few attempts have been ... calcu- lation of correlation is not possible, and greater than 3, the sample size influences the precision of the estimated linear correlation coefficient (r) and of the...

Ngày tải lên: 08/08/2014, 18:21

... useful information is now available about intraspecific variation in growth rate and winter hardiness in this species. Stud- ies of variation in Q pagoda are yielding valuable ... they are at best only indic- ative and in no case descriptive of variation of the species as a whole. Indi- cations of variation in resistance to iron chloros...

Ngày tải lên: 08/08/2014, 19:21

... in the patterns of variation. This variation is a combination of clinal variation (eg for bud set) and ecotypic variation (eg flushing, growth, form). Ecotypic variation prevails, however. ... 10-15 and northern provenances occurring early, southern and oceanic provenances occur- ing late. Menitsky (1971) stated that clinal variation was hardly...

Ngày tải lên: 08/08/2014, 19:21

... allelic variation in population genetics and biochem- ical systematics. Release 1.7. Illinois Natural History Survey, IL Yim KB (1991) Silviculture. Hyangmoon Publ, Seoul, Korea (in ... the species and clarification of the systematic relation- ships among them were also points of in- terest. MATERIALS AND METHODS A total of 533 mature individuals...

Ngày tải lên: 08/08/2014, 19:21

... beech population / Croatia / geographic variation Résumé — La variation génétique des hêtraies croates (Fagus sylvatica L) : différenciation spatiale en relation avec ... variability in beech- woods (Fagus sylvatica L) over central Eu- rope, allozymic variations in six enzyme systems: spatial differentiation among and within populations. I...

Ngày tải lên: 08/08/2014, 23:21