Évaluation de l’efficacité du thiaméthoxame sur coelaenomenodera lameensis (coleoptera, chrysomelidae, hispinae) ravageur du palmier à huile (elaeis guineensis) en Côte D’Ivoire

Niamouke, ES; Koua, HK; Seri-Kouassi, P; Aboua, Lrn; Danho, M; Adja, NA

doi:10.4314/asab.v15i1.67365

Cited by 2 publications

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“…Many control methods are used to reduce the population of this pest: biological control, selection of resistant varieties and chemical control by terrestrial, air or systemic way (Mariau et Lecoustre 2004;Yawson et al, 2009;Coffi et al, 2009;Niamouké et al, 2011). Only chemical control can now maintain populations of this insect to a tolerable economic threshold by the injection of systemic insecticides in the trunk of the palm tree (Mariau, 2001).…”

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confidence: 99%

Variability of polyphenolic extracts from different oil palm trees and evaluation of their effect on <i>Coelaenomenodera lameensis</i> (Coleoptera, Chrysomelidae) larvae

Fagbohoun¹,

Coffi²,

Ganfon³

et al. 2015

Int. J. Bio. Chem. Sci

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Coelaenomenodera lameensis is an insect and the major pest of the oil palm. In case of strong attack, it causes up to 50% loss of production. Larval development of C. lameensis is more pronounced on sensitive palm tree Elaeis guineensis originating from La Mé, Yocoboué and Deli compared to tolerant palm trees Elaeis oleifera originating from Central American. The objective of this work is to study the variability content of polyphenols from different palm trees and their effect on the larvae of C. lameensis. To do this, the extracts from the leaflets of these palms were analyzed by HPLC and tested on larvae of the leaf miner. Considering the results, HPLC analysis has revealed additional peaks polyphenols characterizing trees palm Elaeis oleifera tolerant, the retention time of 22.9, 26.4 and 30.4 min. Furthermore, bio-essays conducted on the larvae of Coelaenomenodera lameensis showed differential mortality of these larvae following the origin, the time and the concentration of applied chemical extracts. Indeed, this result indicates that the molecules in the three characteristic peaks are probably potential polyphenols and are in charge of tolerance to C. lameensis.

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Section: Introductionmentioning

confidence: 99%

Variability of polyphenolic extracts from different oil palm trees and evaluation of their effect on <i>Coelaenomenodera lameensis</i> (Coleoptera, Chrysomelidae) larvae

Fagbohoun¹,

Coffi²,

Ganfon³

et al. 2015

Int. J. Bio. Chem. Sci

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Impact des fourmis rouges Oecophylla longinoda Latreille (Hymenoptera : Formicidae) sur la dynamique des populations de Coelaenomenodera lameensis Berti & Mariau (Coleoptera : Chrysomelidae), principal ravageur du palmier à huile Elaeis guineensis JACQ. en Côte d’Ivoire

2019

J.Anim.Plant Sci.

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1 RESUME Objectif : Le palmier à huile, source d’huile végétale, est sujet aux attaques de ravageurs dont la mineuse des feuilles, Coelaenomenodera lameensis BERTI ET MARIAU (Coleoptera : Chrysomelidae, Hispinae). Ce ravageur cause d’importants dégâts dans les palmeraies en Côte d’Ivoire. Dans un contexte actuel d’agriculture durable et de préservation de l’environnement, l’on se tourne de plus en plus vers la lutte biologique en réduisant l’utilisation de produits chimiques. Cette étude a donc été initiée, avec pour objectif de contribuer à la lutte intégrée contre C. lameensis par l’utilisation d’un ennemi naturel, les fourmis Oecophylla longinoda Latreille (Hymenoptera : Formicidae). Méthodologie et Résultats : L’étude a été conduite sur des parcelles d’âges différents (4 ans, 10 ans et 12 ans) à la station CNRA de la Mé où la dynamique des populations de C. lamensis a été suivie en relation avec la présence de O. longinoda. Les résultats révèlent qu’il existe une forte corrélation négative entre la densité des larves et des adultes de C. lameensis et le taux de présence de O. longinoda. Les populations de C. lameensis sont réduites avec la présence de O. longinoda sur les palmes. Conclusion : Les fourmis oecophylles sont donc de potentiels agents de lutte biologique pour le contrôle des populations de C. lameensis. Impact of red ants Oecophylla longinoda Latreille (Hymenoptera: Formicidae) on the population dynamics of Coelaenomenodera lameensis Berti & Mariau (Coleoptera: Chrysomelidae), the main pest of the oil palm Elaeis guineensis JACQ. in Côte d'Ivoire. ABSTRACT Objective: Oil palm, a source of vegetable oil, is prone to pest attacks, including the leaf miner, Coelaenomenodera lameensis Berti And Mariau (Coleoptera: Chrysomelidae, Hispinae). This pest causes significant damage in the palm groves in Côte d’Ivoire. In a current context of sustainable agriculture and preservation of the environment, we are turning more and more towards biological control by reducing the use of chemicals. This Kouassi et al., 2019 Journal of Animal & Plant Sciences (J.Anim.Plant Sci. ISSN 2071-7024) Vol.41 (1): 6757-6766. https://doi.org/10.35759/JAnmPlSci.v41-1.3 6758 study was therefore initiated, with the aim of contributing to the integrated control of C. lameensis by the use of the natural enemy, the ants Oecophylla longinoda Latreille (Hymenoptera: Formicidae). Methodology and Results: The study was conducted on plots of different ages (4 years old, 10 years old and 12 years old) at the CNRA station in La Mé, where the population dynamics of C. lamensis were monitored in relation to the presence of O. longinoda. The results reveal that there is a strong negative correlation between larval and adult density of C. lameensis and the rate of occurrence of O. longinoda. The populations of C. lameensis are reduced with the presence of O. longinoda on the palms. Conclusion: Oecophyllous ants are therefore potential biological control agents for the control of C. lameensis populations.

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Évaluation de l’efficacité du thiaméthoxame sur coelaenomenodera lameensis (coleoptera, chrysomelidae, hispinae) ravageur du palmier à huile (elaeis guineensis) en Côte D’Ivoire

Cited by 2 publications

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Variability of polyphenolic extracts from different oil palm trees and evaluation of their effect on <i>Coelaenomenodera lameensis</i> (Coleoptera, Chrysomelidae) larvae

Variability of polyphenolic extracts from different oil palm trees and evaluation of their effect on <i>Coelaenomenodera lameensis</i> (Coleoptera, Chrysomelidae) larvae

Impact des fourmis rouges Oecophylla longinoda Latreille (Hymenoptera : Formicidae) sur la dynamique des populations de Coelaenomenodera lameensis Berti & Mariau (Coleoptera : Chrysomelidae), principal ravageur du palmier à huile Elaeis guineensis JACQ. en Côte d’Ivoire

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