Results 11 to 20 of about 6,746 (212)

Estimativa da área foliar de Euphorbia heterophylla Euphorbia heterophylla leaf area estimate [PDF]

Planta Daninha, 2009
A estimativa da área foliar pode auxiliar na compreensão de relações de interferência entre plantas daninhas e cultivadas. Com o objetivo de obter uma equação que, através de parâmetros lineares dimensionais das folhas, permita determinar a área foliar ...
D.J. Duarte, S. Bianco, B.C. Leonardo, A.R. Panosso   +3 more
doaj   +7 more sources

Regeneração de Euphorbia heterophylla L. in vitro In vitro regeneration of Euphorbia heterophylla L. [PDF]

Ciência e Agrotecnologia, 2008
Objetivou-se neste trabalho estudar a regeneração in vitro da planta daninha Euphorbia heterophylla a partir de explantes hipocotiledonares, cotiledonares e radiculares com diferentes concentrações do hormônio 2iP, combinado ou não com auxina e cinetina ...
Francieli Colussi, Audrei Nisio Gebieluca Dabul, Ricardo Antonio Ayub   +2 more
doaj   +4 more sources

Análise da viabilidade de sementes de Euphorbia heterophylla Viability analysis of Euphorbia heterophylla seeds [PDF]

Planta Daninha, 2008
A avaliação da qualidade fisiológica de sementes é um aspecto importante para o controle das plantas daninhas. Objetivou-se verificar a viabilidade de sementes de Euphorbia heterophylla resistentes e suscetíveis a herbicidas, após serem armazenadas ...
J.R. Aarestrup, D. Karam, E.J.A. Corrêa, G.W. Fernandes   +3 more
doaj   +5 more sources

Allelopathic Potential of Plant Aqueous Mixtures on Euphorbia heterophylla [PDF]

Agriculture, 2020
Euphorbia heterophylla is a widely distributed weed whose seeds can remain viable in the soil for years, competing with crops. Therefore, natural herbal preparations could be a solution for its more diversified management.
Adeline dos Santos Novakoski, Érica Marusa Pergo Coelho, Guilherme Tomé Ravagnani, Andréia Cristina Peres Rodrigues da Costa, Stella Alonso Rocha, Valdir Zucareli, Ana Daniela Lopes   +6 more
doaj   +2 more sources

Phytotoxic effects of metabolites from Alternaria euphorbiicola against its host plant Euphorbia heterophylla

Química Nova, 2013
A bioassay-guided fractionation of culture filtrates of the fungus Alternaria euphorbiicola, a pathogen of the weed Euphorbia heterophylla, led to the isolation of anhydromevalonolactone (1), tyrosol (2), (R)-( - )-mevalonolactone (3), and ...
Eduardo Vinícius Vieira Varejão, Antônio Jacinto Demuner, Luiz Cláudio de Almeida Barbosa, Robert Weingart Barreto   +3 more
doaj   +3 more sources

Resposta de biótipos de Euphorbia heterophylla a doses de glyphosate Response of Euphorbia heterophylla biotypes to glyphosate rates [PDF]

Planta Daninha, 2011
A leiteira (Euphorbia heterophylla) é uma planta daninha de ciclo anual encontrada com frequência em lavouras de soja na região Sul do Brasil, controlada em lavouras de soja geneticamente modificada (Roundup Ready® - RR) com uso do herbicida glyphosate ...
L Vargas, M.A Nohatto, D Agostinetto, M.A Bianchi, E.M Gonçalves, R.E Toledo   +5 more
doaj   +5 more sources

Honeybees Collecting Latex From Breadfruit (<i>Artocarpus altilis</i>) in Puerto Rico Reveal a Novel Interaction With Broad Eco-Evolutionary Implications. [PDF]

Ecol Evol
This article showcases a unique natural history observation of honeybees collecting latex from the breadfruit tree (Artocarpus altilis), both nonnative species in Puerto Rico. This represents a unique interaction and here we explore how this behavior may come about in novel ecosystems.
Santiago-Rosario LY, Santiago-Rosario JA, Snell-Rood EC.   +2 more
europepmc   +2 more sources

Genome Sequence of Euphorbia mosaic virus from Passionfruit and Euphorbia heterophylla in Florida. [PDF]

Genome Announc, 2017
ABSTRACT Euphorbia mosaic virus (EuMV) was found in a symptomatic passionfruit ( Passiflora edulis ) plant from Homestead, Florida, USA, as well as in the symptomatic weed Euphorbia heterophylla .
Polston JE, Londoño MA, Cohen AL, Padilla-Rodriguez M, Rosario K, Breitbart M.   +5 more
europepmc   +5 more sources

Update of the <i>Xylella</i> spp. host plant database - Systematic literature search up to 30 June 2025. [PDF]

EFSA J
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), Cavalieri V, Fasanelli E, Furnari G, Gibin D, Gutierrez Linares A, La Notte P, Pasinato L, Stancanelli G.   +8 more
europepmc   +2 more sources

Investigation of Phytochemical in Euphorbia heterophylla and Euphorbia rothiana

International Journal of Medical, Pharmacy and Drug Research, 2022
The genus Euphorbia attracted the attention of many researchers as it is poorly studied. Euphorbia heterophyla and Euphorbia rothiana were selected and aimed to investigate the presence of phytochemicals screenings in leaf and stem. Aqueous, Acetone and Methanol Solvents were used for phytochemical analysis.
Gajanan D. Wadankar, Bharati R. Mahale, Mayuri V. Kute, Pranali D. Khadse   +3 more
openaire   +1 more source