Báo cáo lâm nghiệp:"Performance and physiology of large containerized and bare-root spruce seedlings in relation to scarification and competition in Québec (Canada)" pot
Báo cáo lâm nghiệp:"Performance and physiology of large containerized and bare-root spruce seedlings in relation to scarification and competition in Québec (Canada)" pot
... 645–655© INRA, EDP Sciences, 2004DOI: 10.1051/forest:2003057 Original articlePerformance and physiology of large containerized and bare-root spruce seedlings in relation to scarification and competition ... In Québec (Canada), the use of large planting stock is being applied in combination with scarification, since herbicide use isforbidden in public forest. Large containerized and bare-root stock ... transplantingshock of large stock of black spruce seedlings, in cases where scarification and planting are performed the year followingfinal harvest. Also, we examined the influence of scarification, competing...
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Báo cáo lâm nghiệp: "Spatio-temporal patterns of the Norway spruce decline in the Beskid Śląski and Żywiecki (Western Carpathians) in southern Poland" pot
... resulted in the size of sanitary cuttings in 2005 (higher than in 2004, but including also lying, infested trees), but also – in the volume of infested standing trees, which was lower than in 2004. ... area of the West-ern Beskidy region. Along with the increase of the size of salvage cuttings (including the removal of in- fested trees) the area of stands affected by the forest decline increased ... was recorded mainly in the stands of the lower mountain zone; the stands in Fig. 4. e size of sanitary cuttings and the volume of processed trees infested by bark beetles in the Forest District...
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Báo cáo lâm nghiệp: " Long-term effects of CO2 enrichment on bud phenology and shoot growth patterns of Norway spruce juvenile tree" potx
... Adaptation to climatic changes of the tim-ing burst in populations of Pinus sylvestris (L.) and Picea abies (L.) Karst. Tree Physiology, 14: 961–970.B F.J., D’A A. (1993): In uence of photoperiod ... A600870701, and by the Ministry of Education, Youth and Sports of the Czech Republic, Projects No. 2B6068 and MSM 6215648902, and by the Governmental Research Intention of Institute of Systems ... C.B. (2006): Diverse responses of phenology to global changes in a grassland ecosystem. In: Proceedings of the National Academy of Sciences of the United States of America, 103: 13740–13744.F...
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Báo cáo lâm nghiệp: "Some methodological aspects of the National Forest Inventory and Monitoring in Slovakia" pptx
... Forest Research, Inventory and Monitoring, Sobrance, SlovakiaABSTRACT: e work presents the conceptual information about the National Forest Inventory and Monitoring in Slovakia. It introduces some ... volume in sample plots) and biometrical models prepared for data processing and generalisation of the re-sults. e design and conception of Slovak National Forest Inventory and Monitoring were ... determined. In the Slovak NFIM, the chosen methodology al-lows to quantify the volume of all deadwood, both large and small-sized. Standing dead trees are in- ventoried by the same method as living...
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Báo cáo lâm nghiệp: "Interactive effects of drought and pathogens in forest trees" docx
... corresponding to the predisposing, incit-ing, and contributing stressing factors, respectively. Declineis induced by the sequential occurrence of one stressing factorfrom each ring, factors within ... water stress (minimum predawn leaf potentials of –1.5 to –2 MPa) was shown to be effective in increasing symptomseverity, e.g. inducing a two-fold increase in canker length, in various pine species ... temperature of S. sapinea is close to 30◦C, [42], nitrogen deposition [62], and increased traderesulting in new introductions, including strains of higher viru-lence (especially via asymptomatic infected...
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Báo cáo lâm nghiệp: "Successful under-planting of red oak and black cherry in early-successional deciduous shelterwoods of North America" ppsx
... associatedwith increased growth of black cherry. Both height and diame-ter growth were increased, pointing to an increase in availablelight at the top of the seedlings (which would also explain thethicker ... (%PPFD) in relation to time according to site, treatment, and measuring height (50 cm, 1 m and 2 m aboveground, and just above the crown of planted trees). Timing of the release (summer of year ... trees (year 4), and again in years 5 and 6. Lightmeasures were used as they integrate the effects of all plants aroundthe seedlings and so are accurate descriptors of a seedling’s growingenvironment....
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Báo cáo lâm nghiệp: "Efficient method of micropropagation and in vitro rooting of teak (Tectona grandis L.) focusing on large-scale industrial plantations" pptx
... done to the use of putrescine, which in com-bination with low concentration of auxin, in rooting medium,was essential in stimulating high rooting percentage with highquality of roots, resulting ... and in the world, rooting is doneex vitrum due to the low frequency of in vitro rooting, result-ing in a too long procedure [3, 25, 27]. In this work we aimed to improve both the efficiency of shoot ... polyamines were combined with auxins, itpromoted early rooting and increased the final rooting percent-age and the number of roots per explant [21, 22]. Putrescineis involved in root induction...
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Báo cáo lâm nghiệp: "The successional status of tropical rainforest tree species is associated with differences in leaf carbon isotope discrimination and functional traits" pot
... traits of tropical rainforest seedlings studied here were in agreement with general trade-offs since carbon assimilationincreases with increasing N and SLA, and decreases with in- creasing C and ... The relationship between leaf carbon isotope discrimina-tion (∆) and intrinsic water-use efficiency (WUE = A/gs) for pot- ted seedlings of 22 tropical rainforest species grown in non-limitingenvironmental ... in leaf gas exchange and morphological traits under controlled conditions of seedlings of 22 tropical rainforest canopy species to understand the origin of the variability in leaf carbon isotope...
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