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 annu...

Ngày tải lên: 08/08/2014, 00:21

... 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 ... 323–329 confirmed under conditions of this investigated locality. CONCLUSION Based on the analysis of a part of results from the international IUFRO trial CZ 14 Machov...

Ngày tải lên: 07/08/2014, 03:22

... 0.0 5) of seedlots and ethephon or GA 3 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 stratificat...

Ngày tải lên: 07/08/2014, 10:21

... 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 ... August Fig. 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...

Ngày tải lên: 07/08/2014, 10:21

... 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 so...

Ngày tải lên: 07/08/2014, 10:21

... (ºC) and rainfall (mm) (A) and total number of individuals of Lepidoptera (B) and of major (C) and lesser (D) important pests collected in a Eucalyptus grandis plantation in the Municipality of ... and rainfall during the five years of study with Pearson correlation based on a significance level of 5% with the t test. The effect of age of the plantation on monthly mean...

Ngày tải lên: 08/08/2014, 00:21

... 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 differentiating thick roots (TR, diameter > 2 mm) and fine roots (FR,...

Ngày tải lên: 08/08/2014, 00:22

... transformation of secondary stand with domination of aspens into the stand with dominant spruce and significant admixture 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 811 warm and dry (Fig. 4). In particular, drought...

Ngày tải lên: 08/08/2014, 00:22

... environmental effect Résumé – Influence du tube de protection sur la croissance de jeunes individus de pin de Brutie (Pinus brutia Ten. , Pinaceae). De jeunes individus 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...

Ngày tải lên: 08/08/2014, 01:21

... performance potential of the seedlings may be altered by planting site envi- ronmental conditions [11]. The main objective of this study is to determine the extent to which variations in storage duration ... water content (RWC), transpiration (E), water use efficiency (WUE), index of root growth (IRG), and conductivity: needles electrolyte leakage (NEL) or root electrolyte leakage (...

Ngày tải lên: 08/08/2014, 01:22