References of "Abdoul Habou, Zakari"
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See detailJatropha curcas L. (Euphorbiaceae): Insectes ravageurs et propriétés biocides
Abdoul Habou, Zakari; Toudou, Adam; Haubruge, Eric ULg et al

in Biotechnologie, Agronomie, Société et Environnement = Biotechnology, Agronomy, Society and Environment [=BASE] (in press)

Jatropha curcas, ou Pourghère, est un arbuste de la famille des Euphorbiacées, largement répandu dans les pays tropicaux. Ses graines sont riches d'une huile pouvant servir de biocarburant dans les ... [more ▼]

Jatropha curcas, ou Pourghère, est un arbuste de la famille des Euphorbiacées, largement répandu dans les pays tropicaux. Ses graines sont riches d'une huile pouvant servir de biocarburant dans les moteurs diesels modifiés. La plante est attaquée par divers insectes ravageurs appartenant principalement aux ordres des Hétéroptères, Coléoptères et Orthoptères. Ils provoquent des dégâts sur les fruits, les inflorescences et les feuilles. Les ravageurs les plus fréquemment observés sur J. curcas sont des punaises du genre Pachycoris (Hétéroptère : Scutelleridae), qui sont largement répandues au Mexique, en Australie, aux États-Unis, au Brésil et au Nicaragua. Ces punaises causent des dégâts importants sur les fruits et provoquent la malformation des graines, et avec elle une réduction de la teneur en huile. Même si les arbustes de Jatropha sont victime d'infestations d'insectes, plusieurs études démontrent l'effet insecticide de son huile contre des ravageurs importants tels que Busseola fusca (Fuller) (Lépidoptère : Noctuidae), Sesamia calamistis Hampson (Lépidoptère : Noctuidae), Aphis gossypii Glover (Homoptère: Aphididae) et Callosobruchus chinensis L. (Coléoptère : Bruchidae). Dans ce document, nous présentons dans une première partie les principaux insectes ravageurs de J. curcas et dans une seconde section les effets insecticides démontrés de son huile. [less ▲]

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See detailEffet du mode de conservation d’huile de Jatropha curcas L. sur son efficacité dans la lutte contre les principaux insectes ravageurs du niébé (Vigna unguiculata (L.) Walp. au Niger
Abdoul Habou, zakari; Toudou, Adam; Haubruge, Eric ULg et al

in Tropicultura (in press)

Jatropha curcas oil has an insecticidal activity harnessed by the farmers in Niger. In this study, we compared the insecticidal activity of two batches of oil conserved during 70 days, one exposed to ... [more ▼]

Jatropha curcas oil has an insecticidal activity harnessed by the farmers in Niger. In this study, we compared the insecticidal activity of two batches of oil conserved during 70 days, one exposed to light and the other kept in the dark. The insecticidal efficacy was evaluated in a field with three concentrations (5, 10 and 15%) trial on the main pests of Cowpea (Vigna unguiculata (L.) Walp) and in a laboratory test on Megalurothrips sjostedti Trybon (Thysanoptera: Thripidae) with different concentrations of crude oil (50; 100; 150 and 200 µl). No difference in insecticidal effect was found between the two modes of oil conservation, both in the laboratory and in the field. In the field, regardless of the mode of conservation, the concentrations of 10% of J. curcas oil enables a reduction of over than 80% of thrips, aphids, and bugs compared to the control. Its increased seeds yield more than 50%. The concentration of 15% gives an insecticidal effect comparable to that of the reference treatment (deltaméthrine) but induces phytotoxicity symptoms on the leaves of Cowpea. [less ▲]

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See detailInsecticidal effect of Jatropha curcas L. seed oil on Callosobruchus maculatus Fab and Bruchidius atrolineatus Pic (Coleoptera: Bruchidae) on stored cowpea seeds (Vigna unguiculata L. Walp.) in Niger
Abdoul Habou, Zakari; Haougui, Adamou; Basso, Adamou et al

in African Journal of Agricultural Research (2014), 9(32), 2506-2510

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See detailÉvaluation du potentiel de dix accessions de Jatropha curcas L. (Euphorbiaceae) au Niger
Abdoul Habou, Zakari; Katkore, Boubacar; Abasse, Tougiani et al

in Journal of Applied Biosciences (2014), 77

Objective: A trial of the ten accessions for J curcas was carried out at regional Agricultural Research Center of Maradi in Niger, with aim to evaluate the performance of Jatropha curcas accessions ... [more ▼]

Objective: A trial of the ten accessions for J curcas was carried out at regional Agricultural Research Center of Maradi in Niger, with aim to evaluate the performance of Jatropha curcas accessions. Methodology and results: Each accession was represented by two rows and each row has 15 plant trees of J. curcas. Data on the rate of survival and growth parameters of each tree were collected. Results revealed that there is no significant difference between accessions tested for height and diameter. Accessions Katil 13 and GB 14 respectively originated from Mali and Bisseau Guinea were best adapted for the Niger conditions. The yield value of 511 and 445 kg per hectare respectively obtained from Katil 13 and GB 14 in 2012.Conclusion and application of results: The Government of Niger has drawn attention to this crop and has launched a J. curcas plantation for seed production of 150 ha at Guessalbodi. National Research Institution. NGOs are also involved in J. curcas plantation for biofuel use. [less ▲]

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See detailAnalyse de la faune entomologique associée à Jatropha curcas L. dans la région de Maradi au Sud-est du Niger
Abdoul Habou, Zakari; Toudou, Adam; Haubruge, Eric ULg et al

in Entomologie Faunistique = Faunistic Entomology (2013), 66

Jatropha curcas L. is a shrub belonging to the Euphorbiaceae family. It is cultivated in Africa as living fence, and for its seeds, rich in oil that can be used as Biofuel. The inventory of insects ... [more ▼]

Jatropha curcas L. is a shrub belonging to the Euphorbiaceae family. It is cultivated in Africa as living fence, and for its seeds, rich in oil that can be used as Biofuel. The inventory of insects associated with these shrubs present in Maradi (South-eastern Niger) was conducted by combining beating, trapping and visual observation methods. The inventories were carried out from July to September 2010 and were repeated at the same period in 2011. A total of 1761 insects were collected on J. curcas. These insects belong to 45 different species belonging to 30 families. Coleopterans are the most numerous with 32% of captured insects, followed by Hymenopterans (24%), Orthopterans (14%), Dipterans (13%), Heteropterans (10%) and Isopterans (4%). Among the captured insects, only Heteropterans, Orthopterans and some Coleopterans can cause damage to J. curcas in Niger. [less ▲]

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See detailInsecticidal effect of Jatropha curcas oil on the aphid Aphis fabae (Hemiptera: Aphididae) and on the main insect pests associated with cowpeas (Vigna unguiculata) in Niger
Abdoul Habou, Zakari; Haougui, A.; Mergeai, Guy ULg et al

in Tropicultura (2011), 29(4), 225-229

The insecticidal activity of Jatropha curcas has been evaluated on various crop pests. Oil concentrations of 0.5, 1, 2.5, 5, 10 and 15% were first tested on the black bean aphid (Aphis fabae Scop.) as ... [more ▼]

The insecticidal activity of Jatropha curcas has been evaluated on various crop pests. Oil concentrations of 0.5, 1, 2.5, 5, 10 and 15% were first tested on the black bean aphid (Aphis fabae Scop.) as part of an efficacy test conducted in the laboratory. During a second stage, the insecticidal efficacy of 5 and 7.5% oil concentrations was evaluated on the main pests infesting cowpea crops (Vigna unguiculata L.) as part of a field test conducted at the University of Niamey (Niger). The results obtained in the two tests demonstrate the biocidal effect of the treatments applied, which increases with the concentration. On the black bean aphid, the biocidal effect increases during the hours following the application of oil before reaching a peak after 4 days. On cowpeas, J. curcas oil concentrations of 5% and 7.5% make it possible to reduce the level of attack by aphids (Aphis craccivora) by 10 and 50% respectively compared to the control. A 50% and 75% fall in the number of thrips (Megalurothrips sjöstedti) and bugs (Anoplocnemis curvipes), respectively, can be observed under the same conditions. This treatment made it possible to greatly increase yields compared to the untreated control. [less ▲]

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