Báo cáo lâm nghiệp: "Analysis of lipophilic compounds in needles of Pinus pinea L" docx
Báo cáo lâm nghiệp: "An improved micropropagation protocol for stone pine (Pinus pinea L.)" potx
... a decrease of en-
dogenous cytokinins levels may be involved in loss of shoot-
forming ability in the apical portions of stone pine cotyledons.
On the contrary, other studies in pines such as ... Onnis A., In uence of copper on root
growth and morphology of Pinus pinea L. and Pinus pinaster Ait.
Seedlings, Tree Physiol. 15 (1995) 411−415.
[3] Auer C.A., Motyka V., Brezi...
Báo cáo lâm nghiệp: "Analysis of lipophilic compounds in needles of Pinus pinea L" docx
... (1991) [7] in oleoresin of
P. pinea; the last seven acids in wood and bark by
Hafizoglu (1989) [5], and the first six, in soil of a P. pinea
forest and in plant material from this Pinus species ... 28%. The levels of these acids in trees 7 and 8 were
very similar to those of abietic acid, the main resin acid.
Lipophilic compounds in Pinus pinea L. 453
Table II...
Báo cáo lâm nghiệp: "Shoot development and dieback in progenies of Nothofagus obliqua" pptx
... potentialities in
terms of the size of the shoot they would eventually develop
[1]. In the case of Nothofagus species, such potentialities vary
following a distal-to-proximal decreasing trend in the ... for this study. In each of three independent blocks,
15 to 20 seedlings per progeny were arranged in rows within one
plot (thus, a total of 45 to 60 seedlings per progeny w...
Báo cáo lâm nghiệp: "Starch and soluble carbohydrates in leaves of water-stressed oak saplings" ppsx
...
amount
of
soluble
and
insoluble
carbo-
hydrates
in
leaves
of
4-year-old
saplings
of
Q
petraea.
The
aim
of
these
experiments
was
to
assess
whether
the
decline
in
leaf
photosynthesis ...
remained
at
levels
close
to
those
of
control
plants
in
lupin
or
grapevine
(Quick
et al,
1992).
In
contrast
to
starch
and
sucrose,
a
five-
fold
increase...
Báo cáo lâm nghiệp: "Fingerprinting and genetic variability in cork oak (Quercus suber L.) elite trees using ISSR and SSR markers" ppsx
... variability obtained in the samples in-
dicates the advantage of these selected elite-trees in the de-
velopment of breeding programs, and the usefulness of SSR
and ISSR markers in breeding experiments ... stabilising the marginal
areas. Besides it is commercially important because of the in-
creasing demand of cork in the recent years. In the society
it generates empl...
Báo cáo lâm nghiệp: " Pointer years and growth in Turkey oak (Quercus cerris L) in Latium (central Italy). A dendroclimatic approach" docx
...
of
this
research
show
the
majority
of
pointer
years
as
being
explained
from
a
climatic
point
of
view,
using
mean
climatic
parameters.
The
frost
of
1929
and
snowfall
of ...
1992).
Results
are
discussed
referring
to
pointer
years
based
on
75%
of
the
total
64
samples
and
begin-
ning
with
1921
as
the
initial
year
of
rainfall
obser-
vation...
Báo cáo lâm nghiệp: "Analysis of some dynamic series of forest production and trends of forest economics in the Czech Republic" ppt
... conversion into
money show an evident in uence of the development
of prices culminating before 2,000 and significantly
falling since that year with a corresponding decrease
in profit per 1 m
3
of ... more
detailed view of revenues – mean prices according to
assortments (including the weight of “price-forming”
coniferous assortments) is shown in Table 6.
Trading income of...
![Báo cáo lâm nghiệp: "Analysis of herbicide effects on Douglas fir (Pseudotsuga menziesii [Mirb.] Franco) natural regeneration" ppsx](https://media.store123doc.com/images/document/2014_08/07/medium_orv1407356560.jpg)
Báo cáo lâm nghiệp: "Analysis of herbicide effects on Douglas fir (Pseudotsuga menziesii [Mirb.] Franco) natural regeneration" ppsx
... years, the beginning of fertility
is at the age of 20 to 30 and it lasts till high age. Seeds
germinate well in mineral soil. Most seeds fall to a
distance of 300 m from the stand of generative ... regeneration under the parent stand
in the area of the Training Forest Enterprise in Kostelec nad
Černými lesy after the suppression of weed in uence. In:
Proceedings Dougl...
Báo cáo lâm nghiệp: "Analysis of the production potential of raw wood in the forests of Slovakia" pps
... Changes in the area dis-
tribution of age classes occurred mainly due to the
realization of regeneration felling, including salvage
felling in the stands of lower age classes. Dynamic
changes in ... 1980. In com-
parison with the development of growing stocks in
other countries (S et al. 1996) this is not a
surprising fact. In Slovakia this increase can mainly...
Báo cáo lâm nghiệp: "Analysis of snow accumulation and snow melting in a young mountain spruce and beech stand in the Orlické hory Mts., Czech Republic" pptx
... snowmelt
including potential rainfall without the origin of sur-
face runoff. In mountain locations of Central Europe,
freezing of the soil is quite exceptional because of the
occurrence of early ...
stands in the winter season 2005/2006 nor in the
following two winters in the period of snow accu-
mulation.
Snowpack investigation and calculation of daily
changes of...
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