Báo cáo lâm nghiệp: " Current state of beech bark necrotic disease in southern Poland" ppt
Báo cáo lâm nghiệp: " Current state of beech bark necrotic disease in southern Poland" ppt
... the current results of
the evaluation of the degree of the beech bark necrotic
disease in selected localities in Southern Poland. Be-
cause of the absence of analogical investigations in
Poland, ... 2/7004/27.
Current state of beech bark necrotic disease
in Southern Poland
A. C, I. M
Institute of Forest Ecology of the Slovak Academy...
Báo cáo lâm nghiệp: "An analysis of ecophysiological responses to drought in American Chestnut" ppt
... efficiency of American
chestnut seedlings increases in response to water stress regard-
less of the environment under which the seedlings were grown.
This increase in water use efficiency, found in the ... Reedsburg,
Wisconsin (lat. 43
◦
32’; long. 90
◦
1’). Containerized seedlings were
established by direct seeding into 3.7 L plastic pots containing a stan-
dard glasshouse potting subs...
![Báo cáo lâm nghiệp: "Current possibilities of using Norway spruce (Picea abies [L.] Karst.) in forest regeneration in the air-polluted region of the northeastern Krušné hory Mts" doc](https://media.store123doc.com/images/document/2014_08/07/medium_kon1407356575.jpg)
Báo cáo lâm nghiệp: "Current possibilities of using Norway spruce (Picea abies [L.] Karst.) in forest regeneration in the air-polluted region of the northeastern Krušné hory Mts" doc
... stocking of birch stands and that the number of
injured plants decreases with the increasing stand
density (K 2007).
e smoothing of total heights and increments of
underplanting in the current ... Upland)
Fig. 2. Mean increment of un-
derplantings in 2006, linear
smoothing, increment (cm)
Fig. 1. Total mean height of
underplantings, exponential
smoothing, height...
Báo cáo lâm nghiệp:" Photosynthetic acclimation of beech seedlings to full sunlight following a major windstorm event in France" pptx
... that 1-yr old
beech seedlings grown in pots in three distinct light environ-
ments: understory of mature beech forest, gaps within mature
beech forests, and clearings, exhibited differing diurnal ... time. These included an increase in specific leaf mass
(SLM) during both years, an increase in total blade thickness
during the first growing season, and an increase in the thic...
Báo cáo lâm nghiệp: " The applicability of the Pipe Model Theory in trees of Scots pine of Poland" ppsx
... by a tree in the stand, microclimate,
and intensity of tending interventions. Model trees
were divided in terms of age into classes, adopted
to be 20-year intervals. us trees belonging to age ... (1884) including the main
stand, i.e. predominant, dominant and codominant
trees.
Class I – predominant trees: trees dominate in height
and they have a strongly developed crown;
Clas...
Báo cáo lâm nghiệp: "Genetic variation of Pinus pinaster Ait. seedlings in susceptibility to the pine weevil Hylobius abietis L." docx
... genetic gains. Irrespective of including
pine weevil resistance as an operational trait in the maritime
pine breeding program in Galicia, the results presented here
indicated that, at least, some ... resistance in different ways,
resulting in significant Fam × Fer interaction.
The determination of the resistance mechanisms would be
helpful before starting a breeding program for pi...
Báo cáo lâm nghiệp: "Allozyme variation of Pinus pallasiana D. Don in Natural Crimean populations and in plantations in technogenously-polluted areas of the Ukraine steppes" ppsx
... defined this pine as one of the most variable within the
genus Pinus.
Moreover, most of the afforestation programs were carried
out in the southern steppe regions of Ukraine, thereby excee-
ding ... (68)
* Significance level of 95%, ** significance level of 99%, *** significance level of 99.9%, a number of degrees of freedom is stated in brackets.
Table V. Mean values o...
Báo cáo lâm nghiệp: "Internal levels of plant growth regulators during in vitro culture of wild cherry (Prunus avium L.)" doc
...
culture
in
vitro.
Rev.
For.
Fr.
38,
60-68
Epstein
E.
&
Lav6e
S.
(1986)
Conversion
of
indole-3-butyric
acid
to
indole-3-acetic
acid
by
cuttings
of
gravepine
(Vitis
vinifera) ...
to
investigate
this
point,
and
experiments
using
radiolabeled
IBA
and
BA
would
be
of
great
interest
in
this
perspective.
The
last
result
was
not
illustrated
because...
Báo cáo lâm nghiệp: " Diurnal evolution of water flow and potential in an individual spruce: experimental and theoretical study" pps
...
equi-
valent
circuit
having
the
same
transfer
function
(=
transpiration
versus
absorption).
This
trans-
formation
allows
those
interested
in
water
balance
of
drainage
basins
to
use
this ...
obtain
an
estimation
of
the
total
re-
sistance
of
the
transpirational
pathway
(Fig.
3).
It
is
possible
to
determine
the
3
parameters
(2
resistances
and
1...
Báo cáo lâm nghiệp: "Stem profile equations for young trembling aspen in northern Ontario" ppt
... trembling aspen trees growing on a vari-
ety of sites. The specific objectives of the study were:
(a) to develop a number of stem profile models of young
trembling aspen trees capable of using ... as well as testing
of various algebraic ways of incorporating these variables. This
corroborates our initial hypothesis that testing of a broad list
of models for significance of...