Báo cáo lâm nghiệp: "Effect of defoliation by Thaumetopoea pityocampa (Den & Schiff ) (Lepidoptera: Thaumetopoeidae) on annual diameter increment of Pinus brutia Ten in Turkey" ppt

Báo cáo lâm nghiệp: "Effect of defoliation by Thaumetopoea pityocampa (Den. & Schiff.) (Lepidoptera: Thaumetopoeidae) on annual diameter increment of Pinus brutia Ten. in Turkey" ppt

... influence of defoliation by pine processionary moth, Thaumetopoea pityocampa (Den. & Schiff. ) (Lepidoptera: Thaumetopoeidae) on the annual diameter increment of Turkish Calabrian pine, Pinus ... cm, made in Sweden) and a Zeiss Winkel apparatus(Dendromotor 2000, made in Finland). Annual diameter increment (ADI) and percent decrease in annual diameter increment (PDADI)were determined as ... (200 5) 91–94© INRA, EDP Sciences, 2005DOI: 10.1051/forest:2004095Original articleEffect of defoliation by Thaumetopoea pityocampa (Den. & Schiff. ) (Lepidoptera: Thaumetopoeidae) on annual...

Báo cáo lâm nghiệp: "Effect of stand segmentation on growth and development of Norway spruce stands" pps

... direction of prevailing winds, in contradiction to plot 3 where the skidding track follows the direction of prevailing winds.J et al. (200 1) supposed that losses of production functions of ... 323–329confirmed under conditions of this investigated locality.CONCLUSIONBased on the analysis of a part of results from the international IUFRO trial CZ 14 Machov investigat-ing the eﬀect of ... actual (present) width of tracks was determined by means of surveyed positions of trees (and their rows) and reconstructed axis (centre) of the track in plot 3. e only exception was plot 4,...

Báo cáo lâm nghiệp: "Effect of gibberellic acid and ethephon on the germination of European beech dormant and chilled beechnuts" pptx

... 0.0 5) of seedlots and ethephon or GA3 treatments on germination capacity and MGT. e two-way in- teraction (seedlot × treatment) effect on germina-tion was significant only for ethephon but ... gibberellin level increases during cold stratifica-tion. By exogenous application of gibberellins it is possible to intensify the effect of cold stratification, thus the stratification of seeds ... the control (Table 4). In previous studies, the application of rather low concentrations of GA3 affected the ger-mination rate (MGT), e.g. 200 mg·l–1 on intact beechnuts or 35 mg·l–1 on...

Báo cáo lâm nghiệp: "Effect of climatic factors on the dynamics of radial increments of Norway spruce, European beech and sessile oak" potx

... Silvestris, 37: 3–10. (in Polish)F E., W S. (1999b): In uence of climatic conditions on the annual ring increment of the Weymouth pine (Pinus strobus L .). Zeszyty Naukowe Akademii ... AugustFig. 6. e intensity of the effect of average monthly temperature during the vegetation period of the previous year (left) and of the actual year (right) on increment indexes of tree species ... AMonthFig. 2. Proportions of oak trees with significant effects of precipitation (left) and temperature (right) on increment on all plots. Single letters mean particular months continually in...

Báo cáo lâm nghiệp: "Effect of initial height of seedlings on the growth of planting material of Norway spruce (Picea abies [L.] Karst.) in mountain conditions" ppsx

... mountain populations. Because the seedlings originating from pollination with pol-len of high-elevation trees are generally smaller, the discarding of small seedlings in the course of sorting in ... originat-ing from mountain areas. Among others, it confirms the conclusions drawn by H et al. (198 7) and L (198 9) about the need of a specific approach to the sorting of seedlings of ... mountain conditions; mountain populations; reforestationJ. FOR. SCI., 55, 2009 ( 3): 112–118 113creased adaptation to adverse mountain conditions (O et al. 199 8). It is also confirmed by...

Báo cáo lâm nghiệp: "Effect of plant age, temperature and rainfall on Lepidoptera insect pests collected with light traps in a Eucalyptus grandis plantation in Brazil" docx

... (ºC) and rainfall (mm) (A) and totalnumber of individuals of Lepidoptera (B) and of major (C) and lesser (D)important pests collected in a Eucalyptus grandis plantation in theMunicipality of ... and rainfall during the five years of study withPearson correlation based on a significance level of 5% with the t test.The effect of age of the plantation on monthly mean annual number of individuals ... identified by comparing them toindividuals of the Museum of Entomology of the UFV and of othercentres of insect identification in Brazil.Frequency index (IF) for each major pest species was obtainedwith:...

Báo cáo lâm nghiệp: "Effect of shelter tubes on establishment and growth of Juniperus thurifera L. (Cupressaceae) seedlings in Mediterranean semi-arid environment" pot

... Effect of tube shelters on the growth of young Turkish pines (Pinus brutia Ten. , Pinaceae), Ann. For. Sci.60 (200 3) 539–547.[30] Lloret F., Casanovas C., Peñuelas J., Seedling survival of Mediter-ranean ... length of the main root (RL) was meas-ured and later AGB differentiating LB and SB, and RB differentiatingthick roots (TR, diameter > 2 mm) and fine roots (FR, diameter < 2 mm)were separated, ... thurifera [30], (B) Dis-tribution of J. thurifera on the Iberian Peninsula ([22], modified), andlocalization of the study area.Effects of shelters tubes on Juniperus thurifera L. seedlings 725[18]...

Báo cáo lâm nghiệp: "Effect of contrasting water supply on the diameter growth of Norway spruce and aspen in mixed stands: a case study from the southern Russian taiga" pot

... transformation of secondary stand with domination of aspens into the stand with dominant spruce and significantadmixture of alder in wet part of the experimental plot.3.5. Comparison of seasonal increment ... seasonal and annual precipitation totals (Reserve) (c).(a)(b)(c)Contrasting water supply and diameter growth 811warm and dry (Fig. 4). In particular, drought stress in the sec-ond part of ... schematic drawing of vertical cross-section of enveloping surfaces of tree rooted zones (takenas rotation bodies) (c).816 F. Tatarinov et al.at Peno site the annual radial increment of spruces...

Báo cáo lâm nghiệp:"Effect of tube shelters on the growth of young Turkish pines (Pinus brutia Ten., Pinaceae)" pptx

... environmental effectRésumé – Influence du tube de protection sur la croissance de jeunes individus de pin de Brutie (Pinus brutia Ten. , Pinaceae). De jeunesindividus de pins de Brutie (Pinus brutia ... sp.Figure 2. (A) Clustering of growth units according to their position on the annual shoot. (B). Position of growth units on 1997 and 1998 annual shoots, depending on whether they were inside the ... results go in the same way of these on the Pinus pinea [14] with positive effect on vertical growth and negativeeffect on the diameter increment. According to study made by Dupraz [14] on Prunus...

Báo cáo lâm nghiệp: "Effect of storage conditions on post planting water status and performance of Pinus radiata D. Don stock-types" doc

... performancepotential of the seedlings may be altered by planting site envi-ronmental conditions [11].The main objective of this study is to determine the extentto which variations in storage duration ... water content (RWC), transpiration (E), water use efficiency (WUE), index of root growth (IRG), and conductivity: needles electrolyteleakage (NEL) or root electrolyte leakage (REL), at planting ... different environmental conditions followingoutplanting in addition to the post-storage physiological con-ditions of seedlings, that is, at pre-planting time. Thus, the abil-ity of the plants’...

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