Results 111 to 120 of about 12,299 (297)

Eupatorium rufescens and Vernonia oligactoides (Asteraceae), new records for the Argentinian flora [PDF]

open access: yes, 2008
Se mencionan por primera vez para la flora argentina a Eupatorium rufescens Lund ex DC. y Vernonia oligactoides Less. (Asteraceae). Ambas entidades son descriptas y se presenta una clave para diferenciarlas de taxones afines, junto con algunas ...
Dematteis, Massimiliano   +1 more
core  

Xanthatin‐13‐(Pyrrolidine‐2‐Carboxylic Acid), a Sesquiterpene Lactone Isolated From Burdock Leaf, Attenuated Aβ25‐35 Toxicity and Memory Deficits in a Pharmacological Mouse Model of Alzheimer's Disease

open access: yesPhytotherapy Research, EarlyView.
ABSTRACT Alzheimer's disease (AD) is a severe form of dementia, which occurrence increases with age and lifestyle conditions. It is characterized by amyloid protein accumulation forming senile plaques, hyperphosphorylated tau protein forming neurofibrillary tangles, neuroinflammation, and oxidative stress, leading to synapse loss and cell death ...
Charlyne Barry‐Simonnet   +10 more
wiley   +1 more source

Actualización sistemática y distribución geográfica de Mutisioideae (Asteraceae) de Chile Systematic revision and geographic distribution of Chilean Mutisioideae (Asteraceae)

open access: yesGayana: Botanica, 2012
Se presenta una actualización sistemática y de distribución geográfica de las especies y categorías infraespecíficas de la subfamilia Mutisioideae (tribus Mutisieae, Nassauvieae y Onoserideae) para Chile.
Andrés Moreira-Muñoz   +2 more
doaj  

The Weeds in Sunflower Crops when Grown in Arid Conditions of The Steppe of Ukraine

open access: yesTurkish Journal of Agriculture: Food Science and Technology
In the arid conditions of the Steppe of Ukraine, the species composition of weeds characteristic of this soil-climatic zone develops. The correctly chosen method of basic soil tillage determines the effectiveness of weed suppression while simultaneously ...
Igor Aksyonov
doaj   +1 more source

New opportunities for grassland species in warming temperate winters

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Temperate winters are getting warmer, the length of the growing season is increasing and mid‐winter fluctuations of warm and freezing temperatures are more frequent. Although typically winter dormant, some herbaceous perennials can maintain or grow green leaves during ...
F. Curtis Lubbe   +3 more
wiley   +1 more source

Autosegregation of enzyme loci Me1 and Gpi2 in agamospermous progenies of triploid sugarbeet plants [PDF]

open access: yes, 2010
Ratios of malic-enzyme (ME1) and glucosephosphate isomerase (GPI2) phenotypic classes were studied in agamospermous progenies of triploid sugar beet plants.
Evgenii Levites, Svetlana Kirikovich
core   +1 more source

From low to high elevations, flowers adapt traits and phenology to climate, but phenology‐trait relationships weak

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Flowering phenology is central to plant reproductive success and can relate to morphological traits such as size and quality of flowers, but phenology–trait associations of flowers remain unclear.
Mustaqeem Ahmad   +2 more
wiley   +1 more source

Plant Extracts and Phytochemicals from the Asteraceae Family with Antiviral Properties

open access: yesMolecules
Asteraceae (Compositae), commonly known as the sunflower family, is one of the largest plant families in the world and includes several species with pharmacological properties.
Jimena Borgo   +10 more
doaj   +1 more source

A contribution to the karyological knowledge of the genus Centaurea L. (Asteraceae) in the Iberian Peninsula. [PDF]

open access: yes, 2008
A contribution to the karyological knowledge of the genus Centaurea L. (Asteraceae) in the Iberian Peninsula. A karyological study of 22 taxa of genus Centaurea L. sect. Centaurea is reported. Within C. paniculata L. group we have studied 18 taxa and the
Devesa Alcaraz, Juan Antonio   +1 more
core  

Functional traits predict changes in floral phenology under climate change in a highly diverse Mediterranean community

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Plants are shifting their flowering phenology in response to climate change, but trends differ between species and communities. Functional traits can largely explain how different species respond to climate change by shifting their phenology, and can therefore help ...
Daniel Pareja‐Bonilla   +3 more
wiley   +1 more source

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