Results 21 to 30 of about 138,247 (175)

A 435-year-long European black pine (Pinus nigra) chronology for the central-western Balkan region [PDF]

open access: yes, 2012
We describe the development of the first black pine (Pinus nigra Arnold) regional chronology for the central-western Balkan area, Bosnia and Herzegovina (BiH), based on seven site chronologies from different parts of the country.
Levanič, T.   +3 more
core   +1 more source

INFLUENCE OF ROOTSTOCKS AND THE TIME OF GRAFTING PROCEDURE ON THE EFFICIENCY OF PROPAGATION BY GRAFTING TWO CULTIVARS OF MOUNTAIN PINE (Pinus mugo Turra) AND ESTIMATION OF CHLOROPLAST PIGMENTS LEVEL IN THE NEEDLES

open access: yesActa Scientiarum Polonorum: Hortorum Cultus, 2020
The experimental studies were conducted from 2015–2017 years in two cycles. The aim of the research was to determine a better grafting time and a choice of an appropriate rootstock for the propagation of two cultivars of mountain pine (Pinus mugo Turra).
Sławomir Świerczyński   +3 more
doaj   +1 more source

Intra- and interpopulation relationships and taxonomic status of Pinus nigra Arnold in Croatia according to morphology and anatomy of needles

open access: yesActa Societatis Botanicorum Poloniae, 2014
Intra- and interpopulational relationships and taxonomic status of six natural black pine populations (Pinus nigra Arnold) from Croatia were analyzed. Special attention in this research was paid to the establishment of taxonomic status and distribution ...
Zlatko Liber   +2 more
doaj   +1 more source

The host spectrum of Dothistroma needle blight Mycosphaerella pini E. Rostrup - new hosts of Dothistroma needle blight observed in theCzech Republic

open access: yesJournal of Forest Science, 2006
Dothistroma needle blight Mycosphaerella pini E. Rostrup and its anamorphic stage Dothistroma septospora (Dorog.) Morelet was detected for the first time in the territory of the Czech Republic in a consignment of imported plants of Austrian pine Pinus ...
M. Bednářová   +2 more
doaj   +1 more source

The effects of drought in xylem anatomical traits of Austrian pine (Pinus nigra) in Venosta valley [PDF]

open access: yes, 2022
openIn recent decades, drought events have increased in frequency and intensity all over the world, inducing more and more cases of forest decline. Forest mortality episodes are expected to increase in the near future, in parallel with the increasing ...
CITRON, CLAUDIA
core  

Elimination trials with broad- and needle- leaved tree species in two sites of East-Azarbeidjan [PDF]

open access: yesتحقیقات جنگل و صنوبر ایران, 1998
In order to creat parks and recreational areas around cities, it is essential to introduce adaptable and resistant tree species to arid and semi arid areas in rainfed condition. On this base, research trials were laid out to determine the adaptability of
Mohammad Ali Sarkarat, Siroos Gheisi
doaj   +1 more source

Mixed Pine Forests in a Hotter and Drier World: The Great Resilience to Drought of Aleppo Pine Benefits It Over Other Coexisting Pine Species

open access: yesFrontiers in Forests and Global Change, 2022
Drought is an important driver of forest dynamics in the Mediterranean region. The forecasted increase in drought frequency and severity can notably influence tree growth, forest structure, composition and productivity.
Antonio Gazol   +5 more
doaj   +1 more source

Investigation of Usage of Milled Pine Cone in Brake Pads

open access: yesInternational Journal of Automotive Science and Technology, 2020
Automotive brake pads are polymer composites containing polymer matrix and various fibers and obtained by mixing and pressing different powder materials. Each material added to the content has one or more tasks.
Banu Sugözü, İ̇lker Sugözü
doaj   +1 more source

An integral model for natural regeneration of Pinus pinea L. in the Northern Plateau (Spain) = Modelo integral de regeneración natural para Pinus pinea L. en la Meseta Norte (España) [PDF]

open access: yes, 2013
Natural regeneration is an ecological key-process that makes plant persistence possible and, consequently, it constitutes an essential element of sustainable forest management.
Manso González, Rubén
core   +1 more source

THE VOLUME RELATIONS IN THE PURE Abies cilicica Carr. STANDS OR MıxED STANDS WlTH Cedrus libani Link. AND Pinus nigra Subs. pallasiana Lamb.

open access: yesForestist, 1997
In this study, the volume relations in the pure Abies cilicica Carr.stands or mixed stands with Cedrus libani and Pinus nigra have been considered.
H. Ferhat BOZKUŞ
doaj   +1 more source

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