Báo cáo khoa học: "Growth and development of individual Douglas-fir in stands for applications to simulation in silviculture" potx

... growth and height Original article Growth and development of individual Douglas-fir in stands for applications to simulation in silviculture JM Ottorini INRA-Nancy, Station de ... involved in the growth and development of a tree in a stand ,and Inose (1982), a limited linear one. Our con- text being more similar to that of the...

Ngày tải lên: 08/08/2014, 23:22

... The mean height increment decreased continuously since the beginning of the measurements in 1988 from an average of 37 cm on all sites to a minimum in the fifth year of monitoring in 1992 (figure ... the roofs in the stand was directed by pipes to collecting tanks in the Growth and fructification of Norway Spruce 361 Table I. Average storage of nutrients in the hum...

Ngày tải lên: 08/08/2014, 14:20

... for the ability of seedlings to tolerate shading and drought in Scots pine plantations. MATERIALS AND METHODS In 1993 an experiment was conducted using seedlings grown in ... availabilty of light and mois- ture. Pedunculate oak has a low tolerance of shade and a high tolerance of drought; beech has a high tolerance of shade and a...

Ngày tải lên: 08/08/2014, 18:21

... in Britain. In: Crop physiology of forest trees (PMA Tigersted, P Puttonen, V Koski, eds), University of Helsinski, Helsinki, Finland, 153-166 Doak CC (1935) Evolution of ... (fig 23). From the beginning of new terminal and lateral bud initiation, the border between old in 1987, in spite of a very cold winter, only a few (counting from...

Ngày tải lên: 08/08/2014, 19:21

... irreparable damage to cytoskeletal components. An intact cytoskeleton is essential for cytokinesis and karyokinesis; irreversibly disruption of the cytoskeleton will abrogate the mitotic cell cycle, ... (permeating cryoprotectants and non-permeating macromolecules or saccharides) is among the factors influencing cryosurvival of embryos. The incorporation of DMSO into an E...

Ngày tải lên: 07/08/2014, 23:22

... and Lodgepole pine. Several factors may contribute to these discrepant findings including nursery and site condi- tions, and seedling handling before out- planting, but one ... USDA For Serv Agric Handbook No 674, Washing- ton, DC Lindstrom A (1990) Stability in young stands of containerized pine (Pinus sylvestris). Swed- ish Univ Agric Sci,...

Ngày tải lên: 08/08/2014, 23:22

... an intrinsic cooperativity in the binding of transcription factors to nucleosomes [238–240]. Even in the absence of pro- tein–protein interactions, factors can assist each other’s binding to ... each nucleosome, and are predicted to support the formation of enhanceosome-like com- plexes including co-factors such as CBP and SWI ⁄ SNF [85]. In vivo footprinting con- firmed...

Ngày tải lên: 14/02/2014, 18:20

... a component of the Hippo signaling pathway [32]. An interesting finding concerning the biogenesis of miRNAs has been reported with respect to signaling by members of the transforming growth factor b ... repressing the indicated targets and presumably hundreds of other as yet unidentified targets. (B) miR-34a and the miR-34a-binding site in the 3¢ UTR of genes shown in (A). m...

Ngày tải lên: 14/02/2014, 19:20

... [142] – a Toxin homologies refer to proteins sharing a similar structure or amino acidic sequence. b Antitoxin homologies refer to antitoxins or DNA binding domains of regulatory proteins sharing similar ... the RelE toxin [119,120], and this mode of action is most probably also valid for the ChpAK toxin, which, in addition to cleaving RNA in vitro, is an inhibitor of prot...

Ngày tải lên: 18/02/2014, 04:20

... P i washes and incubation with the nuclear stain 4¢,6-diamidino-2-phenylindone for 20 min, the MSCs were washed in NaCl ⁄ P i for 10 min and mounted in gelvatol for microscopic imaging. Protein extraction ... stimulatory signal in order to secrete IL-1b and TNF-a. Hypoxia ⁄ SD induces the transcription and secretion of IL-10 Because of the lack of secretion of th...

Ngày tải lên: 18/02/2014, 04:20