Donald A. Ukeh
Donald A. Ukeh
Senior Lecturer of Entomology & Pest Management, University of Calabar
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Repellent activity of alligator pepper, Aframomum melegueta, and ginger, Zingiber officinale, against the maize weevil, Sitophilus zeamais
DA Ukeh, MA Birkett, JA Pickett, AS Bowman, AJ Mordue
Phytochemistry 70 (6), 751-758, 2009
Repellent effects of five monoterpenoid odours against Tribolium castaneum (Herbst) and Rhyzopertha dominica (F.) in Calabar, Nigeria
DA Ukeh, SBA Umoetok
Crop protection 30 (10), 1351-1355, 2011
Behavioural responses of the maize weevil, Sitophilus zeamais, to host (stored‐grain) and non‐host plant volatiles
DA Ukeh, MA Birkett, TJA Bruce, EJ Allan, JA Pickett, AJ Mordue
Pest Management Science: formerly Pesticide Science 66 (1), 44-50, 2010
Insecticidal effect of fruit extracts from Xylopia aethiopica and Dennettia tripetala (Annonaceae) against Sitophilus oryzae (Coleoptera: Curculionidae)
DA Ukeh, EE Oku, IA Udo, AI Nta, JA Ukeh
Chilean Journal of Agricultural Research 72 (2), 195, 2012
Bioactivities of essential oils of Aframomum melegueta and Zingiber officinale both (Zingiberaceae) against Rhyzopertha dominica (Fabricius)
DA Ukeh
Journal of Entomology 5 (3), 193-199, 2008
Identification of host kairomones from maize, Zea mays, for the maize weevil, Sitophilus zeamais
DA Ukeh, CM Woodcock, JA Pickett, MA Birkett
Journal of Chemical Ecology 38 (11), 1402-1409, 2012
Field trial of Neem products for the control of Okra Flea beetles (Podagrica spp.) in South Eastern Nigeria
SO Emosairue, DA Ukeh
African Journal of Plant Protection 6, 22-26, 1996
Toxicity and oviposition deterrence of Piper guineense (Piperaceae) and Monodora myristica (Annonaceae) against Sitophilus zeamais (Motsch.) on stored maize
DA Ukeh, GA Arong, EI Ogban
Journal of Entomology 5 (4), 295-299, 2008
Field Evaluation of Neem (Azardirachta indica A. Juss) products for the management of lepidopterous stem borer of maize (Zea mays L.) in Calabar, Nigeria
DA Ukeh, SO Emosairue, IA Udo, UA Ofem, H Du, M Cui, O Dotun
Research Journal of Applied Science 2 (6), 653-658, 2007
Management of root-knot disease on tomato with bioformulated Paecilomyces lilacinus and leaf extract of Lantana camara
IA Udo, EO Osai, DA Ukeh
Brazilian Archives of Biology and Technology 57, 486-492, 2014
Field trial of neem products for the control of Okra flea beetles (Podagrica spp.) in south-eastern Nigeria
SO Emosairue, OA Ukeh
Global Journal of Pure and Applied Sciences 3, 13-20, 1997
Sources of tolerance to root-knot nematode, Meloidogyne javanica, in cultivated and wild tomato species
IA Udo, MI Uguru, RO Ogbuji, DA Ukeh
Plant Pathology Journal, 2008
Effects of Azadirachta indica products on the management of Ootheca mutabilis on Telfairia occidentalis in Calabar, Southeast Nigeria
SBA Umoetok, AN Osuagwu, IA Udo, MI Idiongette, DA Ukeh
Crop Protection 28 (7), 583-587, 2009
Effect of application of inorganic fertilizer and poultry manure on insect pests and yield of soybean (Glycine max L.) in the rain forest zone of Nigeria
SBA Umoetok, AE Uko, BE Archibong, DA Ukeh, IA Udo
Field efficacy of neem seed oil and diazinon in the management of sweetpotato weevil, Cylas puncticollis (Boh.) in south-eastern Nigeria
CN Ehisianya, DA Ukeh, MD Isah, NES Lale, OC Umeozor
Journal of Plant Studies 2 (1), 135, 2013
Alligator pepper, Aframomum melegueta, and ginger, Zingiber officinale, reduce stored maize infestation by the maize weevil, Sitophilus zeamais in traditional African granaries
DA Ukeh, SBA Umoetok, AS Bowman, AJ Mordue, JA Pickett, MA Birkett
Crop protection 32, 99-103, 2012
Field infestation of three maize (Zea mays l.) genotypes by lepidopterous stem borers in Makurdi, Nigeria
SI Okweche, DA Ukeh, EO Ogunwolu
Global Journal of Agricultural Sciences 9 (1), 2010
Insecticidal and repellent activities of pepper fruit, Dennettia tripetala (G. Baker) against the cowpea beetle, Callosobruchus maculatus (Fabricius).
DA Ukeh, EB Adie, JA Ukeh
Biopesticides International 7 (1), 15-23, 2011
Plant based repellents for the control of stored product insect pests.
DA Ukeh, AJ Mordue
Biopesticides International 5 (1), 1-23, 2009
Effects of host and nonhosts plant volatiles on the behaviour of the Lesser Grain Borer, Rhyzopertha dominica (Fab.)
DA Ukeh, SBA Umoetok
J. Entomol 4 (6), 435-443, 2007
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