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Donald A. Ukeh
Donald A. Ukeh
Senior Lecturer of Entomology & Pest Management, University of Calabar
在 unical.edu.ng 的电子邮件经过验证
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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
1452009
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
1052011
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
922010
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
422012
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, 1402-1409, 2012
382012
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
342008
Bioactivities of essential oils of Aframomum melegueta and Zingiber officinale both (Zingiberaceae) against Rhyzopertha dominica (Fabricius).
DA Ukeh
332008
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
302007
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
301996
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 (04), 486-492, 2014
272014
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
192009
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
182012
Plant based repellents for the control of stored product insect pests.
DA Ukeh, AJ Mordue
182009
Sources of tolerance to root-knot nematode, Meloidogyne javanica, in cultivated and wild tomato species.
IA Udo, MI Uguru, RO Ogbuji, DA Ukeh
182008
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
172010
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
162007
Field trial of neem products for the control of okra flea beetles (Podagrica spp.) in south eastern Nigeria.
SO Emosairue, DA Ukeh
151997
Insecticidal and repellent activities of pepper fruit, Dennettia tripetala (G. Baker) against the cowpea beetle, Callosobruchus maculatus (Fabricius).
DA Ukeh, EB Adie, JA Ukeh
142011
Analysis of insect populations in stored crops in Cross River State, Nigeria
DA Ukeh, IA Udo
Global Journal of Pure and Applied Sciences 14 (1), 31-36, 2008
132008
Effects of host and non-hosts plant volatiles on the behaviour of the lesser grain borer, Rhyzopertha dominica (Fab.).
DA Ukeh, SBA Umoetok
132007
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