Results 11 to 20 of about 188 (148)

Macrofilaricidal Activity, Acute and Biochemical Effects of Three Lichen Species Found on Mount Cameroon. [PDF]

J Parasitol Res, 2022
Onchocerciasis is a parasitic infection affecting a relatively small population globally but has very devastating pathological outcomes. Ivermectin and recently moxidectin are the only drugs approved for clinical management of the disease, both of which have several limitations.
Kang TR, Dinga JN, Orock AE, Monya E, Ngemenya MN.   +4 more
europepmc   +2 more sources

Pollination ecology in the tropical Andes: moving towards a cross-scale approach. [PDF]

Biol Rev Camb Philos Soc
ABSTRACT Plant–pollinator interactions structure ecological communities and represent a key component of ecosystem functioning. Pollination networks are expected to be more diverse and specialised in the tropics, but pollination ecology in these regions has been understudied in comparison to other areas.
Rueda-Uribe C, Chautá A, Woodman TL, Lasso E, Pelayo RC, Manrique-Garzón LM, Muñoz MC, Allgayer R, Ashman TL, Bocedi G, Burslem DFRP, Camargo-Martínez PA, Echeverry-Galvis MÁ, González-Arango C, Gubry-Rangin C, Lancaster LT, Layton KKS, Manfredini F, Martel C, Montti L, Papadopulos AST, Raguso RA, Ready J, Rico-Guevara A, Rocabado C, Travis JMJ.   +25 more
europepmc   +2 more sources

Ethnopharmacology Study of Plants from Atlantic Forest with Leishmanicidal Activity. [PDF]

Evid Based Complement Alternat Med, 2019
Leishmaniasis is an infectious disease caused by a protozoan belonging to Leishmania genus. Different clinical outcomes can be observed depending on the parasite species and patient’s health condition. The outcomes can range from single cutaneous lesions to lethal visceral form.
Santos BM, Bezerra-Souza A, Aragaki S, Rodrigues E, Umehara E, Ghilardi Lago JH, Laurenti MD, Ribeiro SP, Passero LFD.   +8 more
europepmc   +2 more sources

Photosynthetic characteristics of the invasive weed Chromolaena odorata and other co‐occurring species in KwaZulu‐Natal

African Journal of Ecology, Volume 61, Issue 2, Page 277-288, June 2023., 2023
Abstract In this study, we tested the hypothesis that photosynthetic characteristics contributed to the success and spread of the invasive, C3 perennial weed, Chromolaena odorata (L.) R. M. King & H. Rob. Measurements of gas exchange, chlorophyll fluorescence and water relations parameters were taken in summer and winter, as well as in sun and shade ...
Kubendran Kista Naidoo, Gonasageran Naidoo   +1 more
wiley   +1 more source

Pest categorisation of Paracoccus marginatus

EFSA Journal, Volume 21, Issue 3, March 2023., 2023
Abstract The EFSA Panel on Plant Health performed a pest categorisation of Paracoccus marginatus (Hemiptera: Sternorrhyncha: Pseudococcidae), the papaya scale, for the EU. It is native to Central America and since the 1990s, it has spread rapidly in mainly tropical areas of the Caribbean, islands in the Indian and Pacific Oceans, Africa and southern ...
EFSA Panel on Plant Health (PLH), Claude Bragard, Paula Baptista, Elisavet Chatzivassiliou, Francesco Di Serio, Paolo Gonthier, Josep Anton Jaques Miret, Annemarie Fejer Justesen, Christer Sven Magnusson, Panagiotis Milonas, Juan A Navas‐Cortes, Stephen Parnell, Roel Potting, Philippe Lucien Reignault, Emilio Stefani, Hans‐Hermann Thulke, Wopke Van der Werf, Antonio Vicent Civera, Jonathan Yuen, Lucia Zappalà, Jean‐Claude Grégoire, Chris Malumphy, Virag Kertesz, Andrea Maiorano, Alan MacLeod   +24 more
wiley   +1 more source

Efeito leishmanicida in vitro de Stachytarpheta cayennensis (Rich.) Vahl (Verbenaceae) [PDF]

Revista Brasileira de Farmacognosia, 2007
Leishmanicidal activity of the hydroalcoholic extract of Stachytarpheta cayennensis, species that is usually employed in ulcers caused by Leishmania, was evaluated in vitro using Leishmania braziliensis and L. amazonensis promastigotes forms. The hydroalcoholic extract was prepared from dried leaves and used in L. amazonensis and L.
Moreira, Rosilene C.R., Costa, Graciomar C., Lopes, Thaiana C., Bezerra, Jeamile L., Guerra, Rosane N.M., Rebêlo, José Manuel M., Ribeiro, Maria Nilce S., Nascimento, Flávia R.F., Costa, Jackson M.L.   +8 more
openaire   +3 more sources

Activity of extracts from three tropical plants towards fungi pathogenic to tomato (Solanum lycopersicum)

Phytopathologia Mediterranea, 2020
Antifungal properties were assessed of water and ethanol extracts from the pan-tropical plants Oxalis barrelieri L., Stachytarpheta cayennensis L., and Euphorbia hirta L. against Fusarium oxysporum f. sp.
Pascal Noël MEKAM, Serena MARTINI, Julienne NGUEFACK, Davide TAGLIAZUCCHI, Ghislaine Ndonkeu MANGOUMOU, Emilio STEFANI   +5 more
doaj   +1 more source

Potential for seed bank formation of two weed species from Brazilian Amazonia Potencial para a formação de banco de sementes de duas espécies de plantas daninhas da Amazônia brasileira

Planta Daninha, 1999
The potential for seed bank formation of two perennial weed species, Ipomoea asarifolia (Desr.) Roem. & Schult. (Convolvulaceae) and Stachytarpheta cayennensis (Rich.) M.
Moacyr B. Dias-Filho
doaj   +1 more source

Coffee crop weeds: refuge and food source for pests’ natural enemies

Revista de Ciencias Agrícolas, 2021
Weeds in coffee crops have diverse ecosystem services, such as sheltering and feeding natural enemies of pest insects. This study aimed to identify the potential of coffee weeds as food and refuge for natural enemies in shaded and sun coffee crops ...
Leonel Fernando Arévalo, Germán Felipe Vasco R., Arledys Albino-Bohórquez, Jessica Morales, Tito Bacca   +4 more
doaj   +1 more source

Nectarivore butterflies (Lepidoptera: Papilionoidea) from an Urban Forest Fragment in Manaus, Amazonas

EntomoBrasilis, 2022
Lepidoptera is a diverse and abundant group of insects, widely used in biodiversity and conservation studies, as it has great social appeal. From this perspective, this study was aimed to conduct a survey of flower – visiting butterfly species in Bosque
Kelve Franklimara Sousa Cézar, Rosamary Silva Vieira, Gilcélia Melo Lourido   +2 more
doaj   +1 more source