Results 41 to 50 of about 3,700 (183)

Carfentrazone-ethyl, isolado e associado a duas formulações de glyphosate no controle de duas espécies de trapoeraba Carfentrazone-ethyl isolated and in mixture with two glyphosate formulations on the control of two dayflower species

open access: yesPlanta Daninha, 2002
Esta pesquisa teve como objetivo avaliar a eficácia do herbicida carfentrazone-ethyl, isolado ou associado ao glyphosate e ao glyphosate potássico, no controle de duas espécies de plantas daninhas conhecidas como trapoeraba: Commelina diffusa e Commelina
C.P. Ronchi   +4 more
doaj   +1 more source

Herbicide Mixtures to Control Dayflowers and Drift Effect on Coffee Cultures [PDF]

open access: yesPlanta Daninha, 2018
: The dayflower species Commelina benghalensis and C. diffusa are among the main weeds in coffee crops. The purpose of this study was to evaluate the efficacy of herbicides/herbicide mixtures in controlling dayflower species and to evaluate the possible ...
N.M. FREITAS   +4 more
doaj   +1 more source

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

open access: yesActa 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   +5 more
doaj   +1 more source

Efeito de herbicidas sobre quatro espécies de trapoeraba Effect of herbicides on four wandering-jew species

open access: yesPlanta Daninha, 2007
O controle químico de espécies do gênero Commelina (trapoerabas) é, muitas vezes, insatisfatório, apesar do uso intenso de herbicidas. O presente trabalho teve como objetivo avaliar o controle de quatro espécies daninhas de Commelina com o uso de ...
D.C. Rocha   +3 more
doaj   +1 more source

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

open access: yesCoffee 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   +4 more
openaire   +1 more source

Efficacy of flumioxazin alone or in mixture with sulphosate to desiccate Ageratum conyzoides and Commelina benghalensis previous to soybean [PDF]

open access: yes, 2000
Dois experimentos foram conduzidos para testar a eficácia do herbicida flumioxazin na operação de manejo para a dessecação de Ageratum conyzoides e Commelina benghalensis para a cultura da soja.
Carmona, Ricardo, Pereira, Roberto C.
core   +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

open access: yesPlanta 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

ANTI BACTERIAL ACTIVITY OF COMMELINA BENGHALENSIS

open access: yesKhulna 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

ANTIDIABETIC ACTIVITY AND PHYTOCHEMICAL INVESTIGATION ON THE WHOLE PLANT OF COMMELINA BENGHALENSIS LINN. IN MALE ALBINO RAT. [PDF]

open access: yes, 2016
Study of phytochemical and antidiabetic activity on the whole plant of Commelina benghalensis in male albino rat. The methanolic extract of the whole plant of Commelina benghalensis (100, 200, 400 mg/kg i.p.) has shown significant antidiabetic activity ...
Gurjar, Himanshu P.S   +2 more
core   +1 more source

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

open access: yesPlanta 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   +3 more
doaj   +1 more source

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