Results 31 to 40 of about 630 (163)

Lema quadrivittata (Coleoptera: Chrysomelidae): morphological description and its use as a biological control agent of Commelina benghalensis L.

Acta Scientiarum: Biological Sciences, 2022
Weed infestation is one of the main challenges in crop management. The environmental, economic and social impacts attributed to pesticides lead to the search for new sustainable possibilities for the management of these plants, especially for Commelina ...
Juliana Elias de Oliveira, Leandro Pin Dalvi, Fábio Luiz de Oliveira, Dirceu Pratissoli, Gilberto Santos Andrade, Joab Luhan Ferreira Pedrosa   +5 more
doaj   +1 more source

Levantamento de plantas infestantes em lavouras de milho 'safrinha'no estado de São Paulo Weed survey in autumn corn crops in the state of São Paulo, Brazil

Planta Daninha, 1999
Fez-se o levantamento da flora infestante na lavoura do milho "safrinha" nas duas principais regiões de plantio no Estado de São Paulo, em 1995. Foram visitadas 85 lavouras na Região do Médio Vale do Paranapanema e 29 na Região Norte.
Aildson P. Duarte, Robert Deuber
doaj   +1 more source

CHEMICAL CONTROL STRATEGIES OF Commelina benghalensis IN COFFEE CROP [PDF]

Coffee Science, 2019
<p> The present study aims to evaluate the control of C. benghalensis by herbicides applied in post-emergence and in pre-emergence sequentially in the infesting weed in the coffee crop. Two field experiments were carried out in a coffee crop, with natural infestation of C.
Paulo Vinicius Da Silva, Gustavo César Barbosa, Andréa Ferrari, Sergio Mateus Tronquini, Patrícia Andrea Monquero   +4 more
openaire   +1 more source

Weed Vegetation Structure in an Area of Organic Acerola Cultivation, Parnaíba, Piauí, Brazil [PDF]

Planta Daninha, 2020
: This study aimed to identify and quantify the weed species in an area of organic acerola cultivation in the Distrito de Irrigação dos Tabuleiros Litorâneos do Piauí (DITALPI) in Parnaíba, Piauí, Brazil.
P.H.S. SOUSA, M.R.A. MENDES, A.D.B. VAL, M.C.S.A. TEIXEIRA   +3 more
doaj   +1 more source

ANTI BACTERIAL ACTIVITY OF COMMELINA BENGHALENSIS

Khulna University Studies, 2001
95% ethanolic extract of the herb Commelina benghalensis and its three fractions (carbon tetrachloride, nhexane, and chloroform soluble fractions) exhibited significant cytotoxic activity in brine shrimp lethality bioassay. Whereas, two compounds B-Amyrin and Baeurenol were isolated from the ethyl acetate extract.
F. Ahmed, S.M.S. Rahman, A.K. Das
openaire   +1 more source

Períodos de interferência de trapoeraba (Commelina benghalensis Hort.) no crescimento inicial de eucalipto (Eucalyptus grandis W. Hill ex Maiden) Periods of Commelina benghalensis interference in the initial growth of Eucalyptus grandis

Revista Árvore, 2004
A trapoeraba (Commelina benghalensis), em razão do uso contínuo de mesmos herbicidas e outros métodos de controle, vem se constituindo numa das plantas mais freqüentes em eucaliptais do Estado de São Paulo.
Augusto Guerreiro Fontoura Costa, Pedro Luís da Costa Aguiar Alves, Maria do Carmo Morelli Damasceno Pavani   +2 more
doaj   +1 more source

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

Planta 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, F.A. Ferreira, A.A. Silva, G.V. Miranda, L.D.T. Santos   +4 more
doaj   +1 more source

Eficácia de herbicidas aplicados em trapoeraba (Commelina benghalensis) na região oeste do Estado do Paraná

Revista de Agricultura Neotropical, 2023
A trapoeraba (Commelina spp.) é considerada um gênero tolerante ao glyphosate, apresentando controle reduzido a esse herbicida em estádios avançados.
Matheus Moreira Perissato, Alfredo Junior Paiola Albrecht, Leandro Paiola Albrecht, Willian Bosquette Rosa, Samara Moreira Perissato, Willian Felipe Larini   +5 more
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

Agrosystems, 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, Girma Adugna, Alemayehu Dabesa, Beira H. Meressa   +3 more
wiley   +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

Planta 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