Results 11 to 20 of about 3,212 (177)

Altitudinal Variation in Woody Species Diversity, Regeneration, and Soil Seed Bank Composition in Bela Mountain Forest, Northern Ethiopia. [PDF]

open access: yesEcol Evol
The study aimed to examine the relationship between species diversity and regeneration status along altitudinal gradients in a Bela Mountain Forest, northern Ethiopia. The result of the study showed that 54 woody species belonging to 31 families were recorded.
Shumie A   +6 more
europepmc   +2 more sources

11,13-DIHYDROVERNOLIDE FROM THE FLOWER HEADS OF VERNONIA AMYGDALINA DEL. [PDF]

open access: yesBulletin of Pharmaceutical Sciences. Assiut University, 1990
A crystalline sesquiterpene lactone C19H24O7, mp. 187-88°C has been isolated from the flower heads of Vernonia amygdalina Del. (Asteraceae) for the first time.
A. Attia, N. El-Emary
doaj   +1 more source

Health Profession Education Students’ Satisfaction toward Online Courses during the COVID-19 Pandemic

open access: yesMakara Journal of Health Research, 2023
Background: Given the extensive use of e-learning, especially during the COVID-19 pandemic, a validated instrument is deemed important for continuous evaluation.
Diantha Soemantri   +2 more
doaj   +1 more source

Soluções nutritivas para cultivo e produção de frutanos em plantas de Vernonia herbacea Nutrient solutions for plant growth and fructan production in Vernonia herbacea

open access: yesPesquisa Agropecuária Brasileira, 2005
O crescimento limitado de rizóforos de Vernonia herbacea (Asteraceae) em solução de Hoagland levou à necessidade de estabelecer uma solução nutritiva para o cultivo dessa planta, visando ao incremento da biomassa de seus rizóforos ricos em frutanos. Essa
Geraldo Rogério Faustini Cuzzuol   +3 more
doaj   +1 more source

Two new genera, Hoffmannanthus and Jeffreycia, mostly from East Africa (Erlangeinae, Vernonieae, Asteraceae)

open access: yesPhytoKeys, 2014
Two genera of Vernonieae subtribe Erlangeinae with Type A pollen, 5-ribbed achenes, and blunt-tipped sweeping hairs on the styles are described as new, Hoffmannanthus with one species and with Vernonia brachycalyx O. Hoffm.
Harold Robinson   +3 more
doaj   +1 more source

Antibacterial activities of plant leaf extracts against multi-antibiotic resistant Staphylococcus aureus associated with skin and soft tissue infections

open access: yesBMC Complementary Medicine and Therapies, 2022
Background The antibacterial activities of aqueous leaf extracts of Moringa oleifera, Vernonia amygdalina, Azadirachta indica and Acalypha wilkesiana against multidrug resistance (MDR) Staphylococcus aureus associated with skin and soft tissue infections
P. A. Akinduti   +4 more
doaj   +1 more source

Abscisie acid in the leaf of Vernonia anthelmintiea [PDF]

open access: yesPlanta, 1970
A growth inhibitor was isolated in crystalline form from the leaf of Vernonia anthelmintica and was found to be identical with abscisic acid by biological activity and physical measurements namely, melting point, mixed melting point, UV-absorption, mass spectra and paper and thin-layer chromatography.
T, Sanyal   +3 more
openaire   +3 more sources

Mathematical modelling and morphological properties of thin layer oven drying of Vernonia amygdalina leaves

open access: yesJournal of the Saudi Society of Agricultural Sciences, 2019
In this study, the oven drying behaviour, as well as changes in the morphological appearance of Vernonia amygdalina leaves before and after drying were investigated. The drying experiments were conducted using a universal oven. Vernonia amygdalina leaves
O.R. Alara   +2 more
doaj   +1 more source

Vernonia glauca Willd.

open access: yes, 2007
Published as part of Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part S), pp. 806-877 in Order out of Chaos. Linnaean Plant Types and their Types, London :Linnaean Society of London in association with the Natural History Museum on page 844, DOI: 10.5281/zenodo ...
  +12 more sources

Electrochemical Study of Zinc Plate in Acid Medium: Inhibitory Effect of Bitter Leaf (Vernonia Amygdalina)

open access: yesInternational Journal of Electrochemical Science, 2011
Vernonia amygdalina (bitter leaves) was tested as a green inhibitor for zinc-plate in 2M hydrochloride solution by means of weight loss, gasometric principle and potentiostatic polarization at 313-343K. Increasing rate of hydrogen gas during the chemical
A.P.I Popoola, O.S.I Fayomi
doaj   +1 more source

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