Daniel Chepo Chougourou

Daniel Chepo Chougourou
Ecole Polytechnique d’Abomey-Calavi · Génie de l'Environnement

Professor

About

62
Publications
31,114
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323
Citations
Introduction
1. Protection biologique des céréales, légumineuses à graine et des cultures maraîchères par l’utilisation de pesticides botaniques pour une sécurité alimentaire au Bénin. 2.Formulation et dosage de bio-pesticides issus de la flore béninoise. 3. Changement climatique et suivi écologique de la dynamique de population des bioagresseurs au Bénin.

Publications

Publications (62)
Article
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L’agrosystème du sud-Bénin est une région de production des cultures maraîchères. Les maraîchers font face à plusieurs contraintes parmi lesquelles figure la pression des insectes ravageurs des cultures. Dans le but de contribuer à l’amélioration de la production des cultures maraîchères, la présente étude a permis d’établir une liste des insectes...
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Utilisation de l'huile de Thevetia pour le contrôle des ravageurs du cotonnier
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UTILISATION DU GAUCHO T 45 WS EN TRAITEMENT DE SEMENCE POUR UN CONTROLE PRECOCE DES RAVAGEURS PIQUEURS SUCEURS DU COTONNIER AU BENIN
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Utilisation de l'agribiopesticide pour le contrôle des ravageurs du cotonnier: La présente fiche technique précise la dose de l'agri-bio-pesticide pour le contrôle des populations des ravageurs en culture cotonnière biologique au Bénin. Elle est destinée non seulement aux cotonculteurs, mais aussi et surtout aux animateurs, développeurs, vulgarisat...
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UTILISATION DU CRUISER 350 FS EN TRAITEMENT DE SEMENCE POUR UN CONTROLE PRECOCE DES RAVAGEURS DES ORGANES VEGETATIFS DU COTONNIER AU BENIN
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The present study aims to valorize the neglected and underutilized fruits of Chrysophyllum albidum in vinegar production through enzyme catalysis and acetic bioconversion. To do this, Chrysophyllum albidum juice was extracted from ripe fruits by using a pectinolytic enzyme (Pectinex Ultra SP-L) at concentration of 1ml.kg-1. The extracted juice was...
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Objectives: Aromatic rice accessions are playing a vital role in global rice trading. The present study aimed to assess agronomic performance and evaluate the genotype by environment interaction in aromatic rice accessions from Benin in order to select agronomically stable genotypes. Methodology and Results: the plant material was composed of a col...
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The use of chemical insecticides causes important damages to environment and human health and there is a need to search for alternative solutions. This study aims to investigate on phytochemical properties of Hyptis suaveolens Linn (Lamiaceae) and Azadirachta indica (Meliaceae) leaves and to evaluate their larvicidal activities in the malaria vecto...
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Because of problems with insecticide resistance, alternative malaria control methods were necessary. These methods include the use of biological control agents, such as larvivorous fish. This study aimed to compare the larval eating capacity of two indigenous larvivorous fishes in malaria vector control in laboratory conditions in Dogbo district in...
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The current study aims to establish the cartography of deltamethrin resistance in malaria vectors from 2010 to 2020 in Republic of Benin. An. gambiae s.l. populations were collected from March to July during the great rainy season in Ouémé in 2010, Littoral in 2012, Atlantic in 2012, Couffo in 2020 and Collines in 2012. An. gambiae s.l. populations...
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After identifying issues posed by some synthetic insecticides, the scientific community is now looking for other natural products with insecticidal and/or insect repellent characteristics. This study aimed to identify the plants of the Beninese flora known for their insecticidal and/or insect repellent effects and the indigenous techniques of their...
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Pests are a menace to production of tomato (Lycopersicon esculentum Mill.) in sub-Sahara Africa. The objective of this study was to evaluate the efficacy of oil extracts of selected common plants for control of pests of tomato in Benin. The study was carried out on the Togba market garden sites in Benin. The botanical pesticides (Tephrosia purpurea...
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Identification of genes associated with bruchid resistance variations in cowpea accessions would help breeders to generate new cowpea cultivars with improved resistance and quality. In this work, 107 cowpea collections from various areas in six countries were phenotyped for their responses to Callosobruchus maculatus and genotyped with Single Nucle...
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The use of insects such as black soldier fly (Hermetia illucens) and common housefly (Musca domestica) as an alternative source of protein in animal feed has gained interest in recent years. This study investigated the effect of four growing substrates on the biomass, crude nutrient and mineral composition of M. domestica larvae. After a 5-day grow...
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Cowpea is a one important legume crop in Sub-Saharan Africa due to its high content of protein and other nutrients. However, seeds of cowpea varieties are destroyed by Callosobruchus maculatus in storage. This study investigated various biochemical compounds of susceptible and resistant cowpea genotypes, to determine the biochemical compounds under...
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Formerly luxury food and consumed in festive periods, rice (Oryza sativa L.) is today the basis of the diet in the least developed. The study was a comprehensive manner to improve the conservation of rice in southern Benin. Specifically, it concerns to inventory the various insect pests of rice in storage and assess damages and losses caused by the...
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The major subject of this study is to explore on the ethnobotanical knowledge of people from the southern and central of Benin on the Tephrosia vogelii Hook. f. and Thevetia neriifolia juss. The collecton of data was made by surveys in people who know the targeted plants in order to get information and details on their ethnobotanical values. A tota...
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Essential oils from leaves of Petroselinum crispum (Mill.) Fuss (Apiaceae) and Pimenta racemosa var. racemosa (Mill.) J.W. Moore (Myrtaceae) were evaluated for their repellent properties, insecticidal and fumigant activities against Dinoderus porcellus Lesne (Coleoptera: Bostrichidae). The essential oils of these plants were obtained by Clevenger-t...
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Cowpea bruchid (Callosobruchus maculatus Fab.) is the most important storage pest causing significant economic losses. Development of bruchid resistant cowpea varieties is the most sustainable strategy for controlling bruchid. However, information regarding the nature of gene action governing the resistance to bruchid is limited for cowpea genotype...
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Botanical pesticides used in the control of insect pests of crops are nowadays an alternative to synthetic pesticides. This study evaluated the effectiveness of Top bio and Thevetia oil in the fight against cotton carpophagous pests. The experimental design was a Fisher Blocks with 6 treatments replicated 4 times. The six treatments were: the contr...
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La préservation des prédateurs est fondamentale dans la gestion intégrée des ravageurs des cultures. Les insecticides botaniques sont de plus en plus utilisés compte tenu de leurs effets limités sur les auxiliaires. L’huile de Thevetia et un insecticide botanique à base de neem, Top bio, ont été testés à Gobé au Centre du Bénin pour l’évaluation de...
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Market gardeners use synthetic pesticides in an unreasonable and uncontrolled way to protect their plots from insect pests. With the aim of finding alternative control methods to synthetic products, the efficacy of Cahew Nut Shell Liquid (CNSL) cold-applied Cahew Nut and three vegetable oils based on Tephrosia purpurea, Ricinus communis, and Thevet...
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Cette étude a évalué l’effet larvicide du baume de cajou extrait à froid et de trois huiles végétales à base des plantes de Tephrosia purpurea, Ricinus communis et Thevetia neriifolia, dans les conditions d’élevage au laboratoire de Plutella xylostella L. 1758 (Lepidoptera, Plutellidae) insecte ravageur du chou au Bénin. L’efficacité des biopestici...
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Post-harvest loss in cowpea (Vigna unguiculata L.) is essentially caused by bruchid (Callosobruchus maculatus F.), the most damaging storage pest causing up to 95% loss of produce kept for long in non-treated conditions. In managing storage pests, host plant resistance proves to be a better approach than chemicals control, especially for food produ...
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Cowpea [Vigna unguiculata (L.) Walp.] is an important food legume. This crop considered as source of dietary protein is also used as a leafy vegetable in many African countries. Its usage as food and animal fodder is focused on food security and diminishing malnutrition particularly in marginal areas. Bruchid (Callosobruchus maculatus) is the most...
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Defining effective strategies for combating crops insect pests requires to be well knowledgeable about their ecology and prevalence. This study identified on the one hand the major insect pests of biological cotton crops in the phytosanitary zones of Benin and one the other hand determined their seasonal evolution and evaluated their weight accordi...
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L'ananas cultivé dans les conditions optimales, permet d'obtenir des fruits de bonne qualité pouvant générer d'importantes devises à l'exportation. Afin de contribuer à l'amélioration de la qualité des ananas produits au Bénin, une évaluation de la qualité des fruits et jus d'ananas issus des cinq itinéraires techniques les plus productifs (It13, I...
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Cowpea, Vigna unguiculata (L.)Walp.is an important crop in Benin. Many pest comprising Aphids, Thrips and Maruca constitute bottlenecks to the crop development and growth. This study aims at assessing the efficacy of the cashew’s balms as alternative and ecological methods to control these pests. The study was performed using the cowpea local varie...
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The present work aims to evaluate the insecticidal and repellent effects of essential oils from fresh leaves of Hyptis suaveolens and Ocimum canum against Tenebroides mauritanicus (L.) (Coleoptera: Tenebrionidaea) isolated from peanut in post-harvest in Benin. Chemical analysis of essential oils by GC and GC-MS indicated that, in the volatile extra...
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Aphisgossypii is a phloem-feeding insect which remains one of the devastating pests of cotton crop. The present study assessed the effect of two different doses of cashew nut hot and cold extracts on aphids and their predators. The experimental design was a Fisher block design with six treatments each repeated four times. The treatments included: t...
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Cotton remains the main source of foreign exchange for Benin. This study aims to contribute to increased yield of organic cotton through the evaluation of the effectiveness of cashew balm as an alternative method of management of carpophagous pests of cotton. The experimental setup consists of Fisher Blocks with 6 objects in 4 repetitions. The obje...
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The dynamism of the resistance of malaria vectors over time, in space and through the generation implies monitoring the susceptibility of available insecticides with respect to these vectors. This study aims to update the data on the susceptibility of An. gambiae to pyrethroids in the Cotonou city, a town endemic to malaria. Sensitivities tests for...
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Characteristics of technical routes of the production of the pineapple (Ananas comosus (L.) Merr.) among small producers of the township of Allada in Benin. Abstract: The township of Allada is one of the municipalities of Atlantique department in Benin, where pineapple holds a major position among the various economical activities. In order to cont...
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Effective control of pyrethroid-resistant malaria vectors requires new alternative measures. The purpose of this study is to test the effectiveness of Thevetia oil extracted from seed kernels to control malaria transmission by An. gambiae s.l. Sensitivity tests were carried out on larvae of Stages 3 and 4 of An. gambiae s.s of wild-type and pyrethr...
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In order to combat the vectors of malaria, it is necessary to know their behavior with regard to the insecticide products envisaged. The present study is aimed at the CNSL efficiency test extracted from the seed hull of Anacardium occidentale L. for the control of pyrethroid-resistant Anopheles gambiae s.l. Sensitivity tests were carried out on the...
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The present study aims at the efficacy of the biocidal property of Tephrosia vogelii in the control of pyrethroid-resistant vectors. Larval tests were carried out on the larvae of stages 2, 3 and 4 of An. gambiae s.s. of wild-type. The susceptible reference strain "Kisumu" served as a control. Mortalities were read 24 hours and 48 hours after expos...
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This study was carried out to evaluate the effects of mixed powders of Piper guineense (Piperaceae) and Zingiber officinale (Zingiberaceae) on Sitophilus zeamais population and seed weight loss percentage of stored maize. Experiment was conducted under laboratory conditions (26.94 ± 0.81 °C, 74.76 ± 4.51% r.h. and 12 h photoperiod). In a completely...
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Objective: This study was carried out to study insecticidal effect of powders from Chenopodium ambrosioides leaves and Aframomum melegueta seeds on cowpea weevil Callosobruchus maculatus. Methodology and Results: 5g of both powders of A. melegueta and C. ambrosioides were used in the proportions of C. ambrosioides 100%:A. melegueta 0%, C. ambrosioi...
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Objective: The present study aimed to evaluate effects of leaf powder of Chenopodium ambrosioides (wormseed) and Adenia cissampeloides (snake climber) on insect populations and seeds weight loss percentage.Methodology and Results: Two leaf powders were applied at 2.5%, 5% and 7.5% (wt/wt). All bioassays were conducted at 27±2°C and 70±5%RH. Insect...
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The present study aims to assess the biodiversity of arbuscular mycorrhizal fungi (AMF) associated with cashew (Anacardium occidentale L.) cultivars characteristics in Benin (West Africa). 108 soil samples were collected at 0-20, 20-40 and 40-60 cm depth under cashew trees at Glazoué in the centre Benin. Cashew’s cultivars characteristics regarding...
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Cashew production is affected by variability of climatic factors. The present work aims to study the effect these climatic factors on cashew productivity in the Central and North-West areas of Benin. Data related to plant phenology, nut and apple yields were collected in three villages (Adourékoman and Gobé in the Centre and Founga in the North- We...
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Twenty one rice varieties including 18 upland NERICAs and their parents (two Oryza sativa and one O. glaberrima) were screened for resistance to two primary storage pests: Sitophilus oryzae and Sitotroga cerealella, using the “no choice” infestation method. Resistance of rice varieties was assessed based on the adult's population obtained from firs...
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L’augmentation de la production rizicole en Afrique Subsaharienne et la recrudescence conséquente des ravageurs de stocks tels que Sitophilus oryzae et Sitotroga cerealella nécessitent des actions d’accompagnement de la recherche afin de préserver la qualité et la quantité des récoltes entreposées. Les méthodes de lutte les plus largement utilisées...
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The lesser grain borer, Rhyzopertha dominica, is a major primary insect of stored cereals worldwide. In Benin, it causes serious damages on paddy rice stored in rural zones. Nowadays, there is a big interest in developing alternative measures included the use of resistant varieties for controlling this key pest. For this purpose, a study was conduc...
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Facing the problems connected to the wrong management of urban wastes, a few Developing Countries (D.C.) have set up the industry of processing household refuse through composting. However the compost produced is not assessed, its quality and promotion next to farmers are not ensured. This work intends to assess the quality of compost produced on a...
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Potatoes produce more calories per area than any other agricultural crop. The tubers are rich in substances valuable for human nutrition. Furthermore, farmers can sell potatoes on the market thus providing a stable income for their family. Benin is one of the poorest countries in the world. One option to minimize hunger and poverty is to increase p...
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The stalk-eyed fly or Diopsid, Diopsis sp. (Diptera, Diopsidae) is an economically significant insect pest of rice in Tropical Africa. The objective of this study is to develop a fast screening method of rice varieties for resistance to Diopsis sp. in a view to advice breeders on resistance sources and to guide producers in the use of resistant var...
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Connaissance paysanne des insectes foreurs de tiges du riz et leurs dé gâ ts dans diffé rentes zones é cologiques du Bé nin (Afrique de l'Ouest) Ré sumé Au Bénin, les dommages causés par les foreurs de tiges constituent une menace pour la production rizicole. La présente étude vise à évaluer la connaissance paysanne de ces ravageurs en vue de trouv...
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Pré sence, populations et dé gâ ts de l'alucite des cé ré ales Sitotroga cerealella (Olivier) (Lepidoptera, Gelechiidae) sur les stocks de riz au Bé nin* Ré sumé L'alucite des céréales, Sitotroga cerealella (Olivier) (Lepidoptera, Gelechiidae), est un ravageur présent sur plusieurs continents, qui cause des dégâts importants sur les stocks de diver...
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Laboratory tests were conducted to determine the effect of two varieties of Bacillus thuringiensis (Bt) on food consumption and survival of diamondback larvae, Plutella xylostella L. Third instar larvae were allowed to feed for 48 h on cabbage disks treated with a series of concentrations (0.006 to 100 μg AI/ml water) of the formulations Dipel 2X (...

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