Results 81 to 90 of about 6,362 (203)

European mistletoe shares a similar demographic strategy with non‐parasitic plants

open access: yesJournal of Ecology, Volume 114, Issue 5, May 2026.
European mistletoe (Viscum album) does not have a distinct demographic strategy from non‐parasitic plants, as quantified by time‐based life history traits. We found that mistletoe vital rates were driven by mistletoe size and position in the host tree.
Oliver G. Spacey   +8 more
wiley   +1 more source

Future atmospheric CO2 leads to delayed autumnal senescence

open access: yes, 2007
Growing seasons are getting longer, a phenomenon partially explained by increasing global temperatures. Recent reports suggest that a strong correlation exists between warming and advances in spring phenology but that a weaker correlation is evident ...
BIRGIT GIELEN   +34 more
core   +1 more source

University proceedings. Volga region. Natural sciences

open access: yesИзвестия высших учебных заведений. Поволжский регион: Естественные науки
Background. In urban green construction of Lugansk, the selection of fast-growing trees and shrubs with a high decorative effect is important. The purpose of the study is to establish the species composition, bioecological characteristics and ...
O.N. Kurdyukova, Yu.G. Zarutskaya
doaj   +1 more source

Chemical Composition and Antimicrobial Activity of Shoot Resin

open access: yesNatural Product Communications, 2016
The chemical composition of Populus nigra shoot resin has been investigated by chromatographic and spectroscopic methods. The analyses resulted in identification of 19 known compounds. The resin exhibited low activity against selected microorganisms.
Christian Paetz   +6 more
doaj   +1 more source

Gas exchange responses of two poplar clones (Populus euramericana (Dode) Guinier 561/41 and Populus nigra Linnaeus 63/135) to lead toxicity

open access: yesJournal of Forest Science, 2016
To evaluate the lead tolerance of Populus euramericana (Dode) Guinier 561/41 and Populus nigra Linnaeus 63/135 clones in relation to photosynthetic efficiency, we measured physiological parameters of the two poplar clones exposed to Pb treatments.
A.S. Emami   +3 more
doaj   +1 more source

Der Einfluss von erhöhtem atmosphärischen CO₂ auf die Physiologie und Anatomie von Populus x canescens, Populus tremula, Populus alba, Populus x canadensis, Populus nigra und Populus deltoides

open access: yes, 2023
Die vorliegende Arbeit hatte das Ziel, den Einfluss einer erhöhten atmosphärischen 2- Konzentration auf die physiologischen, anatomischen und chemischen Eigenschaften von Hybridpappeln und Pappeln zu untersuchen.
Brombach, Till Ferdinand
core  

Polyphenolic Composition, Antioxidant Activity, and Cytotoxic Effect of Male Floral Buds from Three Populus Species Growing in the South of Romania

open access: yesMolecules
Three poplar species widely distributed in southern Romania were investigated for their chemical composition and bioactivity. Male buds from black poplar (Populus nigra L.), white poplar (Populus alba L.), and Euroamerican hybrid poplar (Populus ...
Mona Luciana Gălăţanu   +11 more
doaj   +1 more source

STIMULATION OF CICATRIX AND EPITHELIUM MAKING PROCESES, BY USE OF SOME AROMATIC PLANT EXTRACTS

open access: yesScientific Papers Animal Science and Biotechnologies, 2023
This experiment has as purpose an evaluation of cicatrix stimulation and healing capacity of some accidental wounds produced by different body regions to a livestock of 20 horses, young stock and adult animals, during the year 2007, by local treatment ...
O. NEGREA   +3 more
doaj  

Populus nigra subsp. pyramidalis Celak.

open access: yes, 2018
Populus nigra subsp. pyramidalis Čelak. Artbeschreibung: Alle Äste straff aufrecht, Baum dadurch säulenförmig oder schlank- kegelförmig. Blätter meist breiter als lang. Blütezeit: 3-4 Standort und Verbreitung in der Schweiz: Männliche Exemplare häufig angepflanzt / kollin / Verbreitung global: Stammt aus Südwestasien Ökologische Zeigerwerte nach ...
Konrad Lauber   +2 more
openaire   +1 more source

Populus nigra italica, lombardy poplar, Plot 227.

open access: yes, 2008
Populus nigra italica, lombardy poplar, Plot 227.
Ohio Agricultural Experiment Station. Dept. of Forestry.
core  

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