Báo cáo lâm nghiệp: " Nutritive stress and cytokinin status in Norway spruce seedlings (Picea abies L Karst )" ppsx

Báo cáo lâm nghiệp: " Nutritive stress and cytokinin status in Norway spruce seedlings (Picea abies L. Karst.)" ppsx

Báo cáo lâm nghiệp: " Nutritive stress and cytokinin status in Norway spruce seedlings (Picea abies L. Karst.)" ppsx

... higher levels of cytokinin ribosides in combination with lowered chlorophyll levels when compared to fertilized trees from the same forest stand [21]. Table III. Description of spruce seedlings ... artificial increase of auxin on the root level can induce changes of the cytokinin content in the shoot. In discussing the elevated content of cytokinin ribosides in shoots of se...
Ngày tải lên : 08/08/2014, 00:22
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Báo cáo lâm nghiệp: "Soil environment and nutrient status of Norway spruce (Picea abies [L.] Karst.) underplantings in conditions of the 8th FAZ in the Hrubý Jeseník Mts" potx

Báo cáo lâm nghiệp: "Soil environment and nutrient status of Norway spruce (Picea abies [L.] Karst.) underplantings in conditions of the 8th FAZ in the Hrubý Jeseník Mts" potx

... declining spruce (Picea abies [L. ] Karsten). Plant and Soil, 150: 303–306. D L. , KŪ J., Jƀ  M., V ’ J. (2007): Mineral nutrition in relation to the Norway spruce forest decline ... manifested there by homogeneous yellowing of needles (chloro- sis) and overall diminished vitality of aff ected trees. In total 19 localities were selected in Loučná nad...
Ngày tải lên : 07/08/2014, 10:21
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Báo cáo lâm nghiệp: "Polyamines during somatic embryo development in Norway spruce (Picea abies [L.])" potx

Báo cáo lâm nghiệp: "Polyamines during somatic embryo development in Norway spruce (Picea abies [L.])" potx

... 1229–1235. SILVEIRA V., FLOH E.I.S., HANDRO W., GUERRA M.P., 2004. Effect of plant growth regulators on the cellular growth and levels of intracellular proteins, starch and polyamines in embryogenic ... 209–214. KONG L. , ATTREE S.M., FOWKE L. C., 1998. Effects of poly- ethylene glycol and methylglyoxal bis(guanylhydrazone) on endogenous polyamine levels and somatic embryo matu...
Ngày tải lên : 07/08/2014, 10:21
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Báo cáo lâm nghiệp: "Neuroptera, Raphidioptera and Mecoptera assemblages inhabiting young spruce (Picea abies) forests: dominance structure and seasonal activity patterns" docx

Báo cáo lâm nghiệp: "Neuroptera, Raphidioptera and Mecoptera assemblages inhabiting young spruce (Picea abies) forests: dominance structure and seasonal activity patterns" docx

... Malaise trap is a passive, non-powered and continuously operating tent-like trap. Its height is 2 m and collecting surface is approximately 6 m 2 . Collecting sheets are black and a covering ... Chrysopa perla and Hemerobius humulinus were very abundant in both localities. Species Chrysoperla carnea s .l. was abundant only in these localities. Species Nineta flava, Nineta pal...
Ngày tải lên : 07/08/2014, 03:22
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Báo cáo lâm nghiệp: "Merocoenoses of cambioxylophagous insect fauna of Norway spruce (Picea abies [L.] Karst.) with focus on bark beetles (Coleoptera: Scolytidae) and types of tree damage in different gradation conditions" ppsx

Báo cáo lâm nghiệp: "Merocoenoses of cambioxylophagous insect fauna of Norway spruce (Picea abies [L.] Karst.) with focus on bark beetles (Coleoptera: Scolytidae) and types of tree damage in different gradation conditions" ppsx

... spreading new spe- cies of bark beetles.Regarding the distribution of bark beetles and their ability to attack and kill also living spruce trees the following several species are economically ... beetle species preferring dominant and co-dominant trees to subordinate ones (P. chalcographus, I. amitinus), and also species attacking particularly dominant trees (Hylurgops pallia...
Ngày tải lên : 07/08/2014, 10:21
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Báo cáo lâm nghiệp: "ce nucleation and frost resistance of Pinus canariensis seedlings bearing needles in three different developmental states" pptx

Báo cáo lâm nghiệp: "ce nucleation and frost resistance of Pinus canariensis seedlings bearing needles in three different developmental states" pptx

... formation and E2, released during intracellular freez- ing, were recorded on 1 year old needles of potted seedlings of P. c a - nariensis during controlled freezing treatments (cooling and thawing rates: ... resistance of expanding current-year needles of the Canary Island pine and subalpine evergreen timberline conifers of continental Europe suggest that frost hardening during sprout...
Ngày tải lên : 07/08/2014, 16:20
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Báo cáo lâm nghiệp: "Tree density and site quality influence on Pinus halepensis Mill. reproductive characteristics after large fires" pdf

Báo cáo lâm nghiệp: "Tree density and site quality influence on Pinus halepensis Mill. reproductive characteristics after large fires" pdf

... halepensis Mill., Silvae Genet. 32 (1983) 4–9. [19] Gandullo J.M., Ecología de los pinares españoles. III. Pinus halepensis Mill., Ministerio de Agricultura, Instituto Nacional de Investigaciones ... M., Loisel R., Réflexions sur le dynamisme actuel de la régéneration naturelle du pin d’Alep (Pinus halepen- sis Mill.) dans les pinèdes incendiéés en Provence calcaire (de 1973 à 1979), Ecologia...
Ngày tải lên : 07/08/2014, 16:21
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Báo cáo lâm nghiệp:"Shoot growth and phenology modelling of grafted Stone pine (Pinus pinea L.) in Inner Spain" potx

Báo cáo lâm nghiệp:"Shoot growth and phenology modelling of grafted Stone pine (Pinus pinea L.) in Inner Spain" potx

... growth and flowering in a certain advance. This allows to program cultural operations like scion-collection or controlled pollinations based on automatically registered meteorological data, reducing ... del Pino Piñonero (Pinus pinea L. ) (II) Valladolid, 2000, pp. 269–278. [21] Granier C., Tardieu F., Spatial and Temporal Analyses of Expansion and Cell Cycle in Sunflower Leaves, P...
Ngày tải lên : 08/08/2014, 01:21
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Báo cáo lâm nghiệp: "Geographic variation and bud dormancy in seedlings (Fagus sylvatica L)" potx

Báo cáo lâm nghiệp: "Geographic variation and bud dormancy in seedlings (Fagus sylvatica L)" potx

... in the chilled Casentino seedlings) . This suggests that in the Casentino seedlings LD also played a role in removing dormancy and/ or initiating growth. The findings of experiment ... the wholly unchilled seedlings in the green- house. Since in the Aspromonte seedlings the dependency on chilling to break dor- mancy was almost total, insuffic...
Ngày tải lên : 08/08/2014, 18:21
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Báo cáo lâm nghiệp: "Biomass, litterfall and nutrient content in Castanea sativa coppice stands of southern Europe" ppt

Báo cáo lâm nghiệp: "Biomass, litterfall and nutrient content in Castanea sativa coppice stands of southern Europe" ppt

... Prescoller-Tiefenthaler, 1992; Helmisaari, 1992; Saur et al, 1992). Litterfall and return of nutrients to the soil The amounts of yearly litterfall for leaf litter and total litter (leaves ... levels resulted from the high calcium content in woody tissues, especially with the development of cell walls during lignification. The high ni- trogen level...
Ngày tải lên : 08/08/2014, 18:21
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