Results 11 to 20 of about 378 (85)

“Efectividad del uso del barbasco lonchocarpus utilis versus deltametrina, en el control vectorial del aedes agypti, en el Alto Huallaga 2008 - 2009”

open access: yesRevista Científica Ágora, 2014
Objetivos: Determinar la efectividad del uso del barbasco lonchocarpus utilis versus deltametrina en el control vectorial del Aedes Aegypty en el Alto Huallaga. Material y Métodos: Estudio experimental, prospectivo, simple ciego. Las raíces frescas de L.
Gómez Gonzales, Walter Edgar   +2 more
openaire   +3 more sources

Actividad biocida in vitro del extracto de Barbasco contra Boophilus microplus del ganado bovino de trópico en la provincia de Tambopata [PDF]

open access: yes, 2022
In order to validate the biocidal activity of Barbasco extract against Boophilus microplus in tropical cattle in the province of Tambopata, the concentration of Rotenone as active ingredient in the extract of Barbasco roots  (Lonchocarpus spp.) was ...
Chaico-Cahuana , Carmen   +3 more
core   +2 more sources

Actividad biológica de Lonchocarpus guaricensis Pittier en el control de larvas de Tuta absoluta (Meyrick) [PDF]

open access: yes, 2022
Biological activity of Lonchocarpus guaricensis Pittier was evaluated using two doses of Tecnona® in the control of larvae of Tuta absoluta (Meyrick), Azapa Valley, Chile, by a spray on potted tomato plants cv.
Bobadilla G., Dante   +3 more
core   +5 more sources

Ação inseticida do extrato de Derris amazonica Killip para Cerotoma arcuatus Olivier (Coleoptera: Chrysolelidade). [PDF]

open access: yes, 2019
A abundância e o potencial inseticida de Derris amazonica e a necessidade de controle de Cerotoma arcuatus Olivier (Coleoptera: Chrysomelidae) na cultura do feijão-caupi (Vigna unguiculata L.
ALECIO, M. R.   +8 more
core   +1 more source

The identity of Timbó-verdadeiro: Deguelia utilis (A.C.Sm.) A.M.G.Azevedo (Leguminosae -- Papilionoideae) [PDF]

open access: yes, 2015
The original description of Lonchocarpus utilis A.C.Sm. is augmented by the inflorescence and flower data, since the species was established under a sterile material.
TOZZI, ANA M. G. DE AZEVEDO
core   +1 more source

Multiple Anthropogenic and Climatic Factors Drive Tree Species Attributes in Ecologically Distinct Sacred Groves in Ghana

open access: yesInternational Journal of Forestry Research, Volume 2025, Issue 1, 2025.
Sacred groves are rich biodiversity hotspots serving as an important habitat for conserving species and providing ecosystem goods and services to meet societal needs. Despite the benefits these sacred groves offer, they are threatened by anthropogenic stressors coupled with climate change impacts, thereby limiting their maximum ability to offer ...
Augustine Kofi Gyedu   +7 more
wiley   +1 more source

Standardization of the bio-active compounds (rotenoids) from the extract of local plant species (derris elliptica) using the internal standard method of high performance liquid chromatography (HPLC) [PDF]

open access: yes, 2005
It is well known now that some plant species represent an efficient factory of chemicals, which are manufactured and used as bio-weapons against pest attacks. Extensive work has been done during the last few decades on these potentially useful compounds.
M. R., Sarmidi   +2 more
core  

El género Deguelia (Leguminosae, Papilionoideae, Millettieae) en Mesoamérica, una especie nueva y una combinación nueva [PDF]

open access: yes, 2009
Se presenta una revisión taxonómica del género Deguelia Aubl. (Millettieae: Leguminosae) para Mesoamérica; para ello fue necesario describir e ilustrar a una nueva especie, Deguelia alata M. Sousa y proponer una nueva combinación, D. densiflora (Benth.).
Mario Sousa S.
core   +2 more sources

Tree diversity and canopy cover in cocoa systems in Ghana [PDF]

open access: yes, 2015
First Online: 15 October 2015Cocoa (Theobroma cacao L.) growing systems in Ghana and West Africa consist of diverse tree species and densities. This study was conducted to determine factors that influence tree species configurations and how tree ...
Anders, R., Asare, R.
core   +2 more sources

A study into the effect of concentration process on the yield of rotenone from the extract of local plant species (Derris elliptica) [PDF]

open access: yes, 2004
Bio-pesticides are becoming increasingly important as pest management tools in various cropping systems in the tropics essentially to remedy problems associated with the indiscriminate use of ‘hard’ inorganic pesticide and interest in organic ...
Aziz, R. A.   +2 more
core  

Home - About - Disclaimer - Privacy