Báo cáo lâm nghiệp: "Physiological and morphological responses of dormant and growing Norway spruce container seedlings to drought after planting" docx
Báo cáo lâm nghiệp: "Physiological and morphological responses of dormant and growing Norway spruce container seedlings to drought after planting" docx
... articlePhysiological and morphological responses of dormant and growing Norway spruce container seedlings to drought after plantingPekka HELENIUS*, Jaana LUORANEN, Risto RIKALAFinnish Forest ... stage of seedlings and the drought period on Ψshoot pd and Ψshoot d (p < 0.001), both beinglower in growing seedlings than in dormant seedlings after thethird and fourth week of drought. Both ... concentration of Table I. Morphological attributes (mean ± SD) of subsamples (n =40) of dormant and growing seedlings at the beginning of the experi-ment (24 June).Attribute Dormant seedlings Growing seedlings Height...
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Báo cáo lâm nghiệp: "Growth versus storage: responses of Mediterranean oak seedlings to changes in nutrient and water availabilities." ppsx
... two of the above (i, j )and named as trajectory i− j.The effects of treatment and species on biomass, C/N, N and car-bohydrate content of the whole-plant and each part were tested bymeans of ... stress limits both carbon and nitrogengain [42].The aim of the present study was to assess the combinedresponse of growth, carbohydrate and nitrogen reserves of seedlings of three Mediterranean ... growth demands quite a constant proportion of carbon and nitrogen. Therefore any factor decreasing theuptake of either carbon or nitrogen would limit plant growth and lead to an excess of the non-limiting...
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Báo cáo lâm nghiệp: "Seasonal fluctuation in germination of short and longterm stored Norway spruce" ppsx
... seed stored for a short-term and for a long-term period.MATERIALS AND METHODSIn the experiment, 10 short-term (2 months and 1 year) stored seed lots of Norway spruce and 10 seed lots of the ... summer. The aim of this study is to test the fluctuation in germination energy and germination capacity of the seed of Norway spruce (Picea abies [L.] Karst.) during a year and to compare the ... showed that GE and GC of short-term stored seeds were 59% and 92%, and 35% and 81% for long-term stored seeds. Compared to the annual average, the monthly germination indicators fluctuated very...
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Báo cáo lâm nghiệp: "Comparison between field performance of cuttings and seedlings of Eucalyptus globulus" ppsx
... pollinated progeny seedlings. On theother hand, Lambeth et al. [19], in E. grandis and Menck and Table IV. Comparison of means (and associated F-test) between cuttings and seedlings and variances ... growth and form of vegetative propagules and seedlings of Pinus radiata, N. Z. J. For.Sci. 3 (1973) 191–210.[33] Sweet G.B., Wells L.G., Comparison of the growth of vegetativepropagules and seedlings ... beenreported for this species by Sasse and Sands [25] and Sasse and Sands [27]. These authors reported more deformities and lessradial symmetry in the root system of cuttings and concludedthat such malformations...
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Báo cáo lâm nghiệp: "experiment on the effect of girdling and gibberellin application on flowering induction of 12 yr old seedlings of Douglas fir and Norway spruce" pptx
... Field experiment on the effect of girdling and gibberellinapplication on flowering induction of 12 yr old seedlings of Douglas fir and Norway spruce M. Bonnet-Masimbertwith ... .ReferencesBonnet-Masimbert M. (1987) Preliminary resultson gibberellin induction of flowering of seedlings and cuttings of Norway spruce indicate somecarry-over effects. For. E!1. Manage. 19, ... Also, the total num-ber of female cones on the entire tree wascounted. On each sampling branch, terminal and subterminal shoot elongation and number of male and female...
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Báo cáo lâm nghiệp: "Physiological, morphological and growth responses to rhizosphere hypoxia by seedlings of North American bottomland oaks" potx
... Photosynthetic and growth responses of silver maple (Acer saccharinumL) seedlings to flooding. Am Midl Nat 112, 261-272Pezeshki SR (1991) Root responses of flood-tolerant and ... conductance and Original articlePhysiological, morphological and growth responses to rhizosphere hypoxia by seedlings of North American bottomland oaksES GardinerJD HodgesForest and ... of wetlands must possess theability to cope or adjust to an anaerobic rhi-zosphere. The observed stratification of oaks in bottomlands, and the apparentassociation of...
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Báo cáo lâm nghiệp: "Physiological responses to air pollutants" potx
... and anatomy of Norway spruce (Picea abies) and stone pine(Pinus cembra) needles from various habitatconditions. Can. J. Bot. 54, 1622-1632Black V.J. (1982) Effects of ... (1986) Responses of woody plants to environmentalpollution. Part I. Sources and types of pollutants and plant responses. For. Abstr. 47, 5-51Kramer P.J. (1986) The role of ... of the barrier which prohibitsthe intake of pollutants and, on the otherhand, facilitates the leaching of essentialnutrients, leading to an increase in theeffects of...
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Báo cáo lâm nghiệp: "Physiological responses to" potx
... aninteraction of genotype and environmentalfactors.The aim of this review is to give a shortdescription of some basic aspects of envi-ronmental and genetic controls of coldKacperska ... and cold acclimation.Annu. Rev. Plant PhysioL 35, 543-584Strand M. (1987) Photosynthetic responses of seedlings of Scots pine (Pinus sylvestris L.) to low temperature and ... and thermoperiod on initial stages of frost hardening and dehardening of phytotron-grown seedlings of Scots pine (Pinus silvestris L.) and Norway spruce (Picea abies (L.) Karst.)....
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Báo cáo lâm nghiệp: "Improving RBS estimates – effects of the auxiliary variable, stratification of the crown, and deletion of segments on the precision of estimate" pps
... of paths of each tree (eq. [1]) and the true totals and variances of the target variables and the estimates of the totals, respectively.Choice of the auxiliary variable and variance of the ... Coefficient of variation (n = 1) of the target variable for the tree with (black) and without a stem (grey lines) after the division of the crown into (a) two and (b) three strata (compared to the ... (7): 320–333 331total fresh branch biomass reduces to 6.7% after dele-tion of the stem segments. After this closer look at the old pine, the effect of stratification and deletion of the stem segments...
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Báo cáo lâm nghiệp: "Relationships between the parameters of aboveground parts and the parameters of root plates in Norway spruce with respect to soil drainage" docx
... width and length of crown and the horizontal width of root plate, average calculated width of root plate, theoretical surface of root plate and visible surface of root plate in spruce trees growing ... correspond to the re-sults of K (1983), who found out that the root systems of Norway spruce trees growing in loamy-sandy soils had the values of root system thickness from 0.7 to 1.4 m ... aboveground parameters and the depth of root plates in spruce trees growing both in waterlogged and in well-drained sites. According to our results, it seems that the roots of Norway spruce reach the...
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