... of
P .
This paper examines the productivity of the hybrid pine in
comparison to the parental species to 15 years after planting,
using data from a large genetic study involving factorial mat-
ings within ... Variation in the wood
properties of the Pinus elliottii × Pinus caribaea var. honduren-
sis F
1
hybrid, its parental species, and backcross to Pinus el-
li...
... Mill. et Pinus pinaster Aiton dans deux p pinières forestières. Deux espèces
méditerranéennes de pin (Pinus halepensis et Pinus pinaster) et sept espèces de champignons (Pisolithus tinctorius, ... fungal spe-
cies appears in P. halepensis as well as in P. pinaster. Apart
from the inoculated species, different contaminant fungi were
detected, mainly P. tinctorius and particularl...
... Non-isothermal (step) pyrolysis of Pinus halepensis nee-
dles treated with DAP. The effect of sea water on the fire retarding
action of DAP.
Figure 7. Non-isothermal (step) pyrolysis of Pinus halepensis ... retarding
action of AS.
Pyrolysis of pine needles in presence of retardants 555
The presence of phosphoric acid and phosphorous pentoxide
would cause an earlier deh...
... year to year, we pooled all measures of the three years.
2.2. Post-storage planting
Seedlings were transferred to PVC containers (GODET 430,
P pinière Robin, France), containing a mixture of peat ... and to –2.48 MPa in BR seedlings
stored for 15 days at 10 ºC (Tab. I).
The RWC of plants ranged between 80 and 90% in PR seed-
lings and between 58 and 90% in BR s...
...
complete pollination of the plants by proper pollen,
although flowering periods of the species overlap.
As V .P. Parfenov notes, probability of these species
crossing increases in anomalous years, ... peculiarity to presence
of specific conditions for flowering and pollination
phases, as well as to the fact that polymorphic spe-
cies in adapting are capable to change t...
... was present in 2 of the 49 spruce type plots so they were not included in the sample), n fir-spruce Bl = 15, n fir-spruce Bm+h = 21.
Figure 1. Abundance of spruce and fir-spruce types of regeneration
as ... Indeed, the types spruce Bl and fir-spruce
Bl were observed in the various conditions of stand composi-
tion, and the Bm+h types were frequent both in the spruce an...
...
allocation
and
foliar
nutrient
contents
of
two
Eucalyptus
species
of
the
wet-dry
tropics
of
Aus-
INTRODUCTION
To
understand
and
predict
the
impact
of
increasing
CO
2
upon
natural ...
biomass
increase
over
one
growing
season
observed
in
Q
petraea
(+138%)
and
Pinus
pinaster
(+63%)
(Guehl
et
al,
1994).
In
Q
suber,
root
and
shoot
biomass...
...
Zucc.) Carrier., Pinus sylvetris, Pinus sibirica). e
life cycle of I. duplicatus is associated with Picea
abies in Central Europe. Adults infest the upper
part of stems up to tops (P , K ... north-eastern Poland.
Supported by the Ministry of Agriculture of the Czech Republic, Project No. 0002070201.
Occurrence of Ips duplicatus (Coleoptera: Curculionidae,
Sco...
... loggers in selecting an appropriate system under
certain stand and harvest circumstances.
e mean of delay times was 0.8l min per turn,
which was 0.22, 0.44 and 0 .15 min per turn for opera-
tional, ... with thinning a commercial
Appalachian hardwood stand in northern West Virginia.
Northern Journal of Applied Forestry, 3: 159 –163.
HOLMES T .P. , BLAT G.M., ZWEEDE J.C., PER...
... Chinese pine
(Pinus tabulaeformis) data and simulation data using
appropriate statistical procedures.
MATERIALS AND METHODS
Field data description
e data were provided by the Inventory Institute ... Weibull distribution parameters of Chinese pine
(Pinus tabulaeformis)
Y. L
Research Institute of Resource Information and Techniques, Chinese Academy of Forestry,
Beijing, C...