Results 21 to 30 of about 9,089 (103)

Defence reactions of mature Norway spruce (Picea abies) before and after inoculation of the blue-stain fungus Endoconidiophora polonica in a drought stress experiment

open access: yesForestry Journal, 2016
AbstractWe performed an inoculation experiment using the blue-stain fungusEndoconidiophora polonicaat theRosalia Roofstudy site, which was set up to study drought effects on Norway spruce susceptibility to attacks by the European spruce bark beetleIps typographus.
Sigrid Netherer   +3 more
openaire   +1 more source

Life cycle of Bilharziella polonica (Trematoda, Schistosomatidae) parasite of semi-aquatic birds in Uzbekistan [PDF]

open access: yes, 2022
Schistosomatidae are an actively studied ecological group of trematodes. Their ability to cause various parasitic diseases in animals and humans makes them an interesting object of study for a number of research centres worldwide.
Azimov, D.   +17 more
core   +1 more source

Polonica in Prešov. Old Prints of Kraków and Other Provenance [PDF]

open access: yes, 2021
The article examines the Polonica (polish prints) stored at the State Scientific Library of Prešov (hereafter: the SSL of Prešov), an institution founded in 1952.
Němcová, Lucia
core   +1 more source

Can Leaf Water Content Be Estimated Using Multispectral Terrestrial Laser Scanning? A Case Study With Norway Spruce Seedlings

open access: yesFrontiers in Plant Science, 2018
Changing climate is increasing the amount and intensity of forest stress agents, such as drought, pest insects, and pathogens. Leaf water content, measured here in terms of equivalent water thickness (EWT), is an early indicator of tree stress that ...
Samuli Junttila   +17 more
doaj   +1 more source

Russian rarities. Placards. Old Polonica [PDF]

open access: yes, 1981
Venäläiset rariteetit. Planssit. Vanha Polonica Luettelo sisältää Slaavilaisen kirjaston kokoelmaan kuuluvien harvinaisten kirjojen luettelon, kuvakokoelman (planššit) luettelon sekä Polonican vanhemman osan luettelon.Russian rarities. Placards.

core   +1 more source

Special volume of Acta Physica Polonica B commemorating Martinus Veltman

open access: yes, 2021
This memorial volume of Acta Physica Polonica B is a special tribute to the Nobel Laureate Martinus Veltman. Professor Veltman was a member of the APPB International Editorial Council, lecturer at the Cracow School of Theoretical Physics in 1977 and 1994,
Praszałowicz, Michal   +2 more
core  

Late Leaf Rust Monocyclic Components and Primary Metabolism of Raspberry Plants Facing Water Deficit

open access: yesPlant Pathology, Volume 74, Issue 9, Page 2783-2794, December 2025.
When occurring after pathogen penetration, water deficit reduces rust severity by limiting the colonisation capacity of Aculeastrum americanum, which is affected by reduced photoassimilate supply in stressed raspberry plants. ABSTRACT Drought reduces host resistance and allows the emergence of pathogens that benefit from changes in plant physiology ...
Lucas Henrique Santos Barbosa   +7 more
wiley   +1 more source

Both synergism and interaction diversity explain the mixtures of defensive monoterpenes in spruce oleoresin

open access: yesFunctional Ecology, Volume 39, Issue 9, Page 2539-2551, September 2025.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Chemical defences, such as the monoterpenes of conifer oleoresin, frequently occur as complex blends of many components, but the selective pressures that maintain these mixtures are not yet known.
Rashaduz Zaman   +4 more
wiley   +1 more source

Circadian rhythm and redox homeostasis candidate genes showed association with shallow elevation in Norway spruce

open access: yesPlant Biology, Volume 26, Issue 4, Page 508-520, June 2024.
Gene loci located in circadian rhythm and redox homeostasis genes show association with altitude in Norway spruce, suggesting adaptation to local photoperiod. Abstract The analysis of genetic variation underlying local adaptation in natural populations, together with the response to different external stimuli, is currently a hot topic in forest ...
O. Caré   +4 more
wiley   +1 more source

The impact factor of Acta Palaeontologica Polonica [PDF]

open access: yes, 1999
The impact factor for Acta Palaeontologica Polonica was calculated on the basis of a citation database provided by the Institute for Scientific Information in Philadelphia.
Racki, Grzegorz, Baliński, Andrzej
core  

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