Ajuonu, O.    

Firstname:O. 
Surname:Ajuonu 
Email:O.Ajuonu@cgiar.org 
Institute:IITA 
Homepage:http://www.iita.org 

18 publications (0 read)





Publications as Author



2022

Some biological parameters of Paracoccus marginatus Williams and Granara de Willink (Hemiptera: Pseudococcidae) and its natural enemy Acerophagus papayae Noyes et Schauff (Hymenoptera: Encyrtidae), Nyamador, S. W.*, Gnomou, Y. E.*, Amevoin, K.*, Ajuonu, O., Goergen, G . and Glitho, I. A.*, pages 1-12, chapter 1, B P International, ISBN 978-93-5547-428-5, 2022. [DOI]
 

2020

Evaluation of some reproductive and developmental parameters of Paracoccus marginatus (Hemiptera: psuedococcidae) under laboratory conditions, Gnomou, Y. E.*, Nyamador, S. W.*, Amevoin, K.*, Ajuonu, O., Goergen, G . and Glitho, I. A.*, in: Journal of Agricultural Studies, volume 8, number 3, pages 912-923, ISSN 2166-0379, 2020. [DOI]
 

2019

Weeds affecting field crops and water bodies in Africa, Chikoye, D., Ekeleme, F., Hauser, S., Menkir, A., Kamara, A., Neuenschwander, P., Ajuonu, O. and Ajeigbe, H. A.+, Burleigh Dodds series in Agricultural Science, pages 365-396, chapter 14, Burleigh Dodds Science Publishing Limited, ISBN 978-1-78-676232-0, 2019. [DOI]
 

2015

Managing alien invasive species through classical biological control: case study of the Papaya mealybug in west and central Africa, Goergen, G ., Ajuonu, O., Umeh, V.*, Tindo, M.*, Gaitu, C.*, Bokonon-Ganta, A.*, Toko, M. and Tamo, M., Abstract, p. 378-379 in the book of abstracts of the Tropentag 2015: management of land use systems for enhanced food security - conflicts, controversies and resolutions, in Humboldt-Universitat Berlin, Germany, September 16 - 18, 2015.
 

2014

Classical biological control of Papaya mealybug in West Africa, Goergen, G ., Ajuonu, O., Kyofa-Boamah, M.*, Umeh, V.*, Bokonon-Ganta, A.*, Tamo, M. and Neuenschwander, P., in: Biocontrol News and Information, volume 35, number 1, pages 5N-6N, ISSN 0143-1404, 2014.
 

2011

Apport de la formation des experts nationaux en lutte inte centree sur la lutte biologique contre les plantes aquatiques proliferanteerantes en Afrique de l'Ouest, Toko, M., Tamo, M., Ajuonu, O., Atcha-Ahowe, C., Bokonon-Ganta, A. H. and Hounkpe, C.*, 2011.
 

2010

Management strategy for sprialling whitefly in Tanzania, Pallangyo, B.*, Hanna, R., Nsami, E.*, Mfugale, O., Bokonon-Ganta, A. H., Gnanvossou, D. and Ajuonu, O., Abstract (Oral presentation) in Book of Abstracts of the 11th Triennial Symposium of ISTRC-AB, held at Memling Hotel, Kinshasa. 4-8 October, 2010.
 
Invasive floating water weeds - killing life and commerce. CGIAR SP-IPM Technical Innovation Brief, Ajuonu, O., Tamo, M., Neuenschwander, P., Toko, M., Beed, F. and Hounkpe, N., number 3, 2010.
 
Niche separation between Encarsia dispersa and Encarsia guadeloupae, two biological control agents of the spiraling whitefly Aleurodicus dispersus, in Benin, West Africa, Ajuonu, O., Neuenschwander, P. and Korie, S., in: BioControl, volume 56, number 3, ISSN 1386-6141, 2010. [DOI]
 

2009

Biocontrol: saving the environment, saving farmers' incomes, Ajuonu, O., in: R4D Review, volume 3, pages 22-23, ISSN 2071-3681, 2009.
 

2003

Economic impact of biological control of water hyacinth in southern Benin, De Groote, H., Ajuonu, O., Attignon, S., Djessou, R. and Neuenschwander, P., in: Ecological Economics, volume 45, pages 105-117, 2003.
 
Impact of the weevils Neochetina eichhorniae and N. bruchi (Coleoptera) on water hyacinth, Eichhornia crassipes (Pontederiaceae) in Bénin, West Africa, Ajuonu, O., Schade, V., Veltman, B., Sedjro, K. and Neuenschwander, P., in: African Entomology, volume 11, pages 153-162, 2003.
 
Release, establishment, spread, and impact of the weevil Neohydronomus affinis (Coleoptera: Curculionidae) on water lettuce (Pistia stratiotes) in Bénin, West Africa, Ajuonu, O. and Neuenschwander, P., in: African Entomology, volume 11, pages 205-212, 2003.
 

1998

Impact of two accidentally introduced Encarsia species (Hymenoptera: Aphelinidae) and other biotic and abiotic factors on the spiralling whitefly Aleurodicus dispersus (Russell) (Homoptera: Aleyrodidae) in Benin, West Africa, D'Almeida, Y. A., Lys, J. A., Neuenschwander, P. and Ajuonu, O., in: Biocontrol Science and Technology, volume 8, number 1, pages 163-173, ISSN 0958-3157, 1998.
 

1996

The contribution of biological control for resource-poor farmers in Africa, Lomer, C., Ajuonu, O. and Neuenschwander, P., in: Biological control introductions: opportunites for improved crop production: proceedings, International Symposium, 18 Nov 1996, Brighton, UK, pages 35-44, British Crop Protection Council, Brighton, UK, 1996.
 

1995

Measuring host finding capacity and arrestment of natural enemies of the cassava mealbug, Phenacoccus manihoti, in the field, Neuenschwander, P. and Ajuonu, O., in: Entomologia experimentalis et applicata, volume 77, pages 47-55, ISSN 1570-7458, 1995.
 

1994

Importation, releases, and establishment of Neochetina spp. (col., curculionidae) for the biological control of water hyacinth, Eichhomia crassipes CLil., Pontederiaceae), Benin, West Africa, Thielen, R., Ajuonu, O., Schade, V., Neuenschwander, P., Adite, A. and Lomer, C., in: Entomophaga, volume 39, pages 179-188, 1994.
 

1990

Biological control of the cassava mealybug, Phenacoccus manihoti (Hom., Pseudococcidae) by Epidinocarsis lopezi (Hym., Encyrtidae) in West Africa, as influenced by climate and soil, Neuenschwander, P., Hammond, W., Ajuonu, O., Gado, A., Echendu, N.*, Bokonon-Ganta, A. H., Allomasso, R. and Okon, I., in: Agriculture, Ecosystems and Environment, volume 32, pages 39-55, ISSN 0167-8809, 1990.