Results 11 to 20 of about 11,327 (212)

Patterns of Phenolic Compounds in Betula and Pinus Pollen

Plants, 2023
In this study, phenolic compounds and their antioxidant activity in the pollen of anemophilous Betula and Pinus were determined. Spectrophotometric, high-performance thin-layer and liquid chromatography methods were applied. Free phenolic compounds (free
Ilona Kerienė, Ingrida Šaulienė, Laura Šukienė, Asta Judžentienė, Magdalena Ligor, Bogusław Buszewski   +5 more
doaj   +1 more source

The evolution of montane vegetation in the eastern sector of the Ayllón massif (Central Mountain Range). Pollen analysis of a core from Pelagallinas peatbog

Anales del Jardín Botánico de Madrid, 2001
Pollen and charcoal analyses of a core from Pelagallinas peatbog, located in the Sierra de Alto Rey at the eastern sector of the Central Mountain Range (Guadalajara), show the environmental history of the montane vegetation during the last 4000 years ...
Fátima Franco Múgica, Mercedes García Antón, Javier Maldonado Ruiz, Carlos Morla Juaristi, Helios Sainz Olleros   +4 more
doaj   +1 more source

Genome-level analysis of BpR2R3-MYB family genes transcribed in seedlings of Betula platyphylla and BpR2R3-MYB15 enhanced flavonoid production

Chemical and Biological Technologies in Agriculture, 2022
Background Flavonoids have a wide range of biological activities in plant development, stress resistance and human health, etc. R2R3-MYBs are one of the key elements in regulation of flavonoid production, but their functional importance in Betula ...
Huimin Liu, Zhongyang Yu, Guizhi Fan, Baojiang Zheng   +3 more
doaj   +1 more source

Ecophysiological Responses of Northern Birch Forests to the Changing Atmospheric CO2 and O3 Concentrations

Asian Journal of Atmospheric Environment, 2012
The effects on birch (Betula spp.) of elevated carbon dioxide (CO2) and ozone (O3), which are both increasing in the troposphere, are surveyed in detail based on the literature.
Korin Kawaguchi, Yasutomo Hoshika, Makoto Watanabe, Takayoshi Koike   +3 more
doaj   +1 more source

A study of fossil plant remains at the archaeological site in Lomilla (Aguilar de Campoo, Palencia, Spain)

Anales del Jardín Botánico de Madrid, 2001
The discovery of a site with abundant fossil plant remains in the surroundings of Aguilar de Campoo (Palencia, Spain), dated in the early Holocene, allowed us to obtain new data on the composition of foreste in that área. Two species of Pinus and several
Cristina Alcalde Olivares, Ignacio García-Amorena, Fernando Gómez Manzaneque, Javier Maldonado Ruiz, Carlos Morla Juaristi, José María Postigo Mijarra   +5 more
doaj   +1 more source

Pathogenicity of Marssonina betulae on Betula pendula and Betula pubescens

Acta Silvatica et Lignaria Hungarica, 2007
Studies were undertaken to investigate whether Marssonina betulae is a causal agent of dieback of young birch in Scotland. Marssonina betulae was inoculated onto shoots of B. pendula and B. pubescens and symptoms monitored over several seasons. On B. pendula, but not B.
Sarah Green, Grace Macaskill
openaire   +1 more source

Spontaneous hybridization in genus Betula L. under introduction

Інтродукція Рослин, 1999
The author presents a comparative morphological characteristic of three new forms of Betula davurica and one form of Betula pubescens found between seedlings grown from the seeds picked up in the collection of genus Betula in the М.M.
L.I. Parkhomenko
doaj   +1 more source

Betula mcallisteri sp. nov. (sect. Acuminatae, Betulaceae), a new diploid species overlooked in the wild and in cultivation, and its relation to the widespread B. luminifera

Frontiers in Plant Science, 2023
Taxa are traditionally identified using morphological proxies for groups of evolutionarily isolated populations. These proxies are common characters deemed by taxonomists as significant.
Huayu Zhang, Huayu Zhang, Junyi Ding, Junyi Ding, Norbert Holstein, Nian Wang, Nian Wang   +6 more
doaj   +1 more source

The prospects for the survival of the population of a boreal relict species, Betula humilis Schrk., in a small isolated peat bog in the Łęczna - Włodawa Lakeland

Acta Agrobotanica, 2012
An attempt was made to identify the major risks to the population of Betula humilis Schrk. existing in a small isolated transitional peat bog near Lake Bikcze, in the Łęczna-Włodawa Lakeland.
Magdalena Pogorzelec, Joanna Wojciechowska   +1 more
doaj   +1 more source

Vegetation community classification of the Sanzai area in Mongolia

Journal of Asia-Pacific Biodiversity, 2021
This study reports the forest vegetation community classification of the Sanzai area (Khentii range) in Mongolia using the phytosociological method.
Hyoun Sook Kim, Badamtsetseg Bazarragchaa, Sang Myong Lee, Gantuya Batdelger, Gwan Soo Park, Joongku Lee   +5 more
doaj   +1 more source