Results 31 to 40 of about 598 (138)

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

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

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

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

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

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

open access: yesRevista 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   +2 more
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

Prevention, Early Detection, and Eradication of Benghal Dayflower in Field Nurseries

open access: yesEDIS, 2011
Benghal dayflower is an increasingly problematic weed that is federally designated as a noxious weed. This revised 10-page fact sheet provides nursery owners how to prevent, detect, and eradicate this invasive plant.
Robert H. Stamps
doaj   +5 more sources

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

Integrating Socio‐Economic and Seasonal Drivers With Feed Innovations to Enhance Smallholder Dairy Production in Gamo and Wolaita Zones, Southern Ethiopia

open access: yesVeterinary Medicine and Science, Volume 12, Issue 2, March 2026.
The study assessed socio‐economic and seasonal factors in using indigenous alternative feeds such as Vernonia amygdalina that hold strong potential to address feed scarcity and enhance dairy productivity. Feed availability differed significantly between wet and dry seasons.
Asrat Ayza   +3 more
wiley   +1 more source

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