Results 61 to 70 of about 57,805 (213)

Notas Taxonómicas en Senecioneae (Asteraceae) de Argentina Taxonomic notes on Senecioneae (Asteraceae) from Argentina

open access: yesBoletín de la Sociedad Argentina de Botánica, 2007
Durante el estudio de la tribu Senecioneae para el centro de Argentina, surgieron algunas novedades debidas al análisis de diversos «tipos nomenclaturales». Ellas son: 1.- Senecio pinnatus var.
Luis Ariza Espinar
doaj  

Identification of Pyrrolizidine Alkaloids in Senecio Plants by Liquid Chromatography-Mass Spectrometry

open access: yesJournal of Analytical Methods in Chemistry, 2021
Pyrrolizidine alkaloids (PAs) are considered as the major constituents that cause hepatoxicity in Senecio plants. PAs can be found in about 3%–5% of the world’s flowering plants.
An-Jing Lu   +6 more
doaj   +1 more source

Competition and soil conditions limit the growth of High Arctic non‐native plants

open access: yesOikos, Volume 2026, Issue 11, November 2026.
Non‐native vascular plant species in the High Arctic are currently restricted mainly to settlements and other anthropogenically disturbed areas. The reasons for this remain unclear, but climate or dispersal do not appear to be the main limiting factors. Instead, biotic interactions combined with soil conditions may play important roles.
Jana Ruethers   +6 more
wiley   +1 more source

Poisoning of cattle by Senecio spp. in Brazil: a review

open access: yesPesquisa Veterinária Brasileira
: Poisoning of cattle by plants of the Senecio genus represents an important cause of death in cattle and has important economic repercussions in southern Brazil. This review is intended to provide a detailed review of Senecio spp. intoxication in cattle
Welden Panziera   +4 more
doaj   +1 more source

Long‐Read Reference Transcriptomes for Five Species of Rosaceae Tribe Spiraeeae: A Resource for Investigating Sequence Divergence, Species‐Associated Expression Variation, and Leaf‐Developmental Candidate Genes

open access: yesPlant Direct, Volume 10, Issue 11, November 2026.
ABSTRACT Species in the Rosaceae tribe Spiraeeae occupy diverse habitats and vary strikingly in growth form and leaf morphology. Still, no reference transcriptomes have been published for the tribe, and its transcriptome‐level variation is uncharacterized.
Armin M. Mafakheri, Daniel Potter
wiley   +1 more source

Biópsia hepática no diagnóstico da intoxicação por Senecio brasiliensis (Asteraceae) em bovinos Liver biopsy for the diagnosis of Senecio brasiliensis (Asteraceae) poisoning in cattle

open access: yesPesquisa Veterinária Brasileira, 2007
Lesões hepáticas causadas pela intoxicação por Senecio spp em bovinos são progressivas e mortes podem ocorrer vários meses após a ingestão da planta. Testes laboratoriais da função hepática nem sempre são indicadores confiáveis de animais subclinicamente
Claudio S.L. Barros   +4 more
doaj   +1 more source

Epidemiological drivers of turnip yellows virus and its vector Myzus persicae in Australian canola (Brassica napus) systems: a 3‐year study of commercial crops and noncrop vegetation

open access: yesPest Management Science, Volume 82, Issue 11, Page 10671-10682, November 2026.
A 3‐year study across southern Australia aimed to characterize drivers of infection in the Myzus persicae–turnip yellows virus–Brassica napus pathosystem. Identification of key reservoir hosts and the strong association between earlier sowing and increased disease incidence highlight opportunities for targeted weed management, strategic sowing ...
Samantha E Edley   +9 more
wiley   +1 more source

Senecio silphifolia

open access: yes, 2010
Inflorescencia de Senecio silphifolia Harshb.
Jose Vazquez
core   +2 more sources

DNA metabarcoding reveals key floral resources for native pollinators in post‐fire landscapes

open access: yesEcological Applications, Volume 36, Issue 7, October 2026.
Abstract Wildfires are a natural disturbance in dry ponderosa pine forest ecosystems, and are increasing in frequency and severity across western North America. The effects of wildfire on biotic and abiotic conditions have important implications for higher trophic levels, including native bees. We sought to quantify the responses of flowering plants to
Autumn Maust   +3 more
wiley   +1 more source

Senecio suffulta

open access: yes, 2010
Senecio suffulta Greenm.
Jose Vazquez
core   +1 more source

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