Results 51 to 60 of about 266 (149)

Plant density and variety effect on yield, leaf spot disease, weed species richness and diversity of groundnut production in northern Ghana

Weed Biology and Management, Volume 24, Issue 2, Page 71-87, June 2024.
Abstract Low plant density and weed infestation are major challenges for groundnut production in northern Ghana. A two‐year on‐farm study was conducted to determine the effect of plant density and variety on grain and fodder yields, incidence of leaf spot disease, weed species diversity and biomass.
Nurudeen Abdul Rahman, Asamoah Larbi, Paul Tanzubil, Fred Kizito, Irmgard Hoeschle‐Zeledon   +4 more
wiley   +1 more source

Utilização de espécies de Asteraceae por comunidades rurais do nordeste do Brasil: relatos em Camocim de São Félix, Pernambuco

Biotemas, 2013
Asteraceae, com aproximadamente 2.000 espécies registradas no Brasil, destaca-se nos estudos etnobotânicos, posicionando-se quase sempre entre as quatro famílias com maior número de espécies na flora útil, principalmente para fins medicinais.
Aryecha Arruda Silva, Laise de Holanda Cavalcanti Andrade   +1 more
doaj   +1 more source

Manejo de plantas daninhas na cultura do algodoeiro em sistema de plantio direto Weed management of cotton under no-tillage

Planta Daninha, 2006
Este trabalho foi realizado com objetivo de avaliar a eficiência dos herbicidas smetolachlor, em pré-emergência, e trifloxysulfuron-sodium, aplicado aos 18 dias após a emergência do algodão (DAE), em sistema de plantio direto.
R.S. Freitas, P.G. Berger, L.R. Ferreira, A.C. Silva, P.R. Cecon, M.P. Silva   +5 more
doaj   +1 more source

WEED CONTROL IN GENETICALLY MODIFIED GLYPHOSATE-TOLERANT SOYBEAN MANEJO DE PLANTAS DANINHAS EM SOJA GENETICAMENTE MODIFICADA TOLERANTE AO GLYPHOSATE

Pesquisa Agropecuária Tropical, 2011
The transgenic production systems, as well as conventional systems, require, in addition to chemical control, the adoption of other weed management strategies. This study was developed to evaluate the weed chemical control in glyphosate tolerant soybean,
Júlio Cezar Durigan, Núbia Maria Correia, Melina Espanhol   +2 more
doaj   +1 more source

Plantas invasoras para melhorar a eficiência da calagem na correção da acidez subsuperficial do solo

Revista Brasileira de Ciência do Solo, 2002
Foram desenvolvidos estudos com colunas de solo (Ø = 4 cm; h = 25 cm) em condições de laboratório, em Londrina, durante os anos de 1999 e 2000, utilizando-se o horizonte Bw de um Latossolo Vermelho.
A. R. Meda, M. A. Pavan, M. Miyazawa, M. E. Cassiolato   +3 more
doaj   +1 more source

Studies of the in vitro anticancer, antimicrobial and antioxidant potentials of selected Yemeni medicinal plants from the island Soqotra

BMC Complementary and Alternative Medicine, 2009
Background Recent years have witnessed that there is a revival of interest in drug discovery from medicinal plants for the maintenance of health in all parts of the world.
Bednarski Patrick J, Gruenert Renate, Lindequist Ulrike, Mothana Ramzi A   +3 more
doaj   +1 more source

Germacranolides and a New Type of Guaianolide from Acanthospermum hispidum

Journal of Natural Products, 2000
The aerial parts of an Argentinian collection of Acanthospermum hispidum afforded 26 sesquiterpene lactones, including the two guaianolides (1 and 2) having a novel oxygen bridge between C-4 and C-14, three new cis,cis-germacranolides (4, 7, and 8), and two new melampolides (25 and 26).
Cartagena, Elena, Bardon, Alicia del Valle, Catalan, Cesar Atilio Nazareno, J. de Hernández, Zaida N., Hernández , Luis R., Joseph Nathan, Pedro   +5 more
openaire   +3 more sources

Evaluation ethno-médicinale des plantes herbacées en zone Guinéo-Congolaise du Bénin

Revue Marocaine des Sciences Agronomiques et Vétérinaires, 2022
Au Bénin, la connaissance sur les plantes herbacées médicinales n’est pas aussi populaire comme l’est les espèces ligneuses alors qu’elles pourraient soulager la pression subie par ces dernières.
Florent Eudes SOBAKIN, Serge ADOMOU, Thierry D. HOUEHANOU, Carlos Cédric AHOYO, Gérard Nounangnon GOUWAKINNOU   +4 more
doaj  

Phytochemical Profile and Evaluation of Acute Toxicity of the Crude Extract from Acanthospermum hispidum Roots

Biointerface Research in Applied Chemistry, 2022
Acanthospermum hispidum DC (Asteraceae), popularly known as "espinho-de-cigano", is a plant species used in folk medicine to treat gastrointestinal and respiratory disorders. These activities can be related to the presence of secondary metabolites, which can also play toxicity.
openaire   +1 more source

Phytochemical Screening and in-Vitro Antimicrobial Activities of the Leaf Extract of Acanthospermum hispidum DC (Asteraceae)

Journal of Plant Studies, 2015
The study into the chemical contents and in-vitro antimicrobial activities of the methanolic leaf extract of Acanthospermum hispidum were carried out. The extract was evaluated for its antibacterial activity against four Gram positive (Staphylococcus aureus, Streptococcus pyogenes, Corynebacteria specie and Bacillus subtilis) and four Gram negative ...
Ali Abubakar, Olufunke Adebola Sodipo, Ifan Zaher Khan, Mohammed Baba Fugu, Umar Tanko Mamza, Isa Adamu Gulani   +5 more
openaire   +2 more sources