Results 51 to 60 of about 3,700 (183)

Eficiência do 2,4-D aplicado isoladamente e em mistura com glyphosate no controle da trapoeraba Efficacy of 2,4-D applied alone or in mixture with glyphosate in the control of dayflower

open access: yesPlanta Daninha, 2002
A trapoeraba (gênero Commelina) é planta daninha-problema em cafezais devido à sua capacidade de sobreviver nas mais diversas condições e tolerância ao herbicida glyphosate.
I.C. Santos   +4 more
doaj   +1 more source

Caracterização morfológica de espécies de trapoeraba (Commelina spp.) utilizando a análise multivariada Morphological characterization of wandering-jew species (Commelina spp.) using multivariate analysis

open access: yesPlanta Daninha, 2007
As espécies Commelina benghalensis, C. villosa, C. diffusa e C. erecta são conhecidas como trapoeraba e, freqüentemente, são confundidas entre si, dificultando o controle químico, o que pode provocar prejuízos econômicos e danos ambientais.
D.C. Rocha, R.A. Rodella, D. Martins
doaj   +1 more source

Spatial distribution and biophysical relationships of common bean angular leaf spot (Pseudocercospora griseola) with agronomic factors in west and southwest Ethiopia

open access: yesAgrosystems, Geosciences &Environment, Volume 9, Issue 2, June 2026.
Abstract The prevalence of angular leaf spot (ALS) in common beans (Phaseolus vulgaris L.) poses significant challenges to productivity in the western and southwestern regions of Ethiopia. This agricultural study was conducted to assess the distribution of ALS and examine the relationship between ALS and biophysical and agronomic factors.
Getu Abera   +3 more
wiley   +1 more source

Exploring Floristic Diversity and Medicinal Plant Uses in Venda, Limpopo, South Africa

open access: yesFeddes Repertorium, Volume 137, Issue 2, June 2026.
ABSTRACT Plants have been an important source of medicine for thousands of years. To better understand the current diversity and usage of medicinal plants, floristic studies are essential. This report documents an expedition conducted in the Venda region of Limpopo, South Africa. The study was carried out in Shanzha and surrounding villages, as well as
Gurusamy Manikandan   +2 more
wiley   +1 more source

Henry Trimen: Under‐appreciated pioneer in the typification of Linnaean plant names?

open access: yesTAXON, Volume 75, Issue 3, June 2026.
Abstract In 1887, Henry Trimen published a paper summarising the contents of the Hermann Herbarium, in what is now the Natural History Museum, London (BM), in terms of the plant names published by Linnaeus. Trimen referred to the Hermann specimens as types of Linnaeus's names.
I.M. Turner
wiley   +1 more source

Possible Role of Subsidiary Cells on the Stomatal Movement in Commelina benghalensis subsp. [PDF]

open access: yes, 1985
Stomatal movement was investigated after distilled water treatment in Commelina benghalensis subsp.. Distilled water reatmen+ induced the cytoplasmic shrinkage of surroudning subsidiary cells on guard cells, resulting stomatal opening up to about 11 μm ...
Jinno, Nobutaka
core  

Morphological plasticity of benghal dayflower under an artificial light gradient - doi: 10.4025/actasciagron.v36i1.17388

open access: yesActa Scientiarum. Agronomy, 2014
The purpose of this study was to evaluate the effects of light restriction on the growth of benghal dayflower (Commelina benghalensis). The experiment was conducted in pots under full sunlight and with 18.5, 30, 40, 50, 60 and 70% artificial light ...
Perla Novais de Oliveira   +5 more
doaj   +1 more source

Update of the Xylella spp. host plant database – Systematic literature search up to 31 December 2025

open access: yesEFSA Journal, Volume 24, Issue 6, June 2026.
Abstract This scientific report provides an update of the Xylella spp. host plant database, aiming to provide information and scientific support to risk assessors, risk managers and researchers dealing with Xylella spp. Upon a mandate of the European Commission, EFSA created and regularly updates a database of host plant species of Xylella spp.
European Food Safety Authority (EFSA)   +9 more
wiley   +1 more source

Aspectos metodológicos para análise de depósitos de pulverizações pela determinação dos depósitos pontuais Methodological aspects for spray deposit analysis by punctual deposit determination

open access: yesPlanta Daninha, 2007
Objetivou-se com este trabalho avaliar a variabilidade dos depósitos de traçadores, simulando herbicidas aplicados em pós-emergência, em populações de Brachiaria plantaginea e Commelina benghalensis infestantes da cultura da soja.
R.T. Souza, E.D. Velini, L.A. Palladini
doaj   +1 more source

Dominance of Ricinus communis in the Semi‐Arid Region Mediated by Allelopathy

open access: yesWeed Research, Volume 66, Issue 2, March/April 2026.
ABSTRACT The introduction of invasive alien species can adversely affect the functioning of natural ecosystems. Ricinus communis L., widely present in the Brazilian semi‐arid region, establishes itself in areas with native species, such as Handroanthus impetiginosus (Mart.
Bruno M. Alcântara   +7 more
wiley   +1 more source

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