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Louis E Jackai

Research Professor

Louis E Jackai
College
College of Ag & Environ Sciences

Department
Natural Resources & Environ Design

Contact
Carver Hall 238
P: 336-285-4837
Education
Ph.D.Entomology / University of Illinois at Urbana-Champaign
M.S.Biology / University of Wisconsin-Superior
B.S.Zoology-Botany / University of Cape Coast, Cape Coast, Ghana

Research Interests

Integrated Pest Management; Host Plant Resistance; Insect Behavioral and Nutritional Ecology; Post-Harvest Protection Agriculture; Alternative approaches to Pesticides in Sustainable Agriculture

Recent Publications

  • Beatrice Dingha, Louis Jackai, Barbara Amoah, Clement Akotsen-Mensah (2021). (Pollinators on Cowpea Vigna unguiculata: Implications for Intercropping to Enhance Biodiversity). 12, MDPI.
  • Roger Vorsah, Beatrice Dingha, Harmandeep Sharma, Louis Jackai (2020). (Evaluation of Biorational Insecticides as Stand-alone Treatments for the Management of the Pigweed Flea Beetle, Disonycha glabrata (Coleoptera: Chrysomelidae), in Organic Production of Amaranthus spp. ). (3) 9, Sustainable Agriculture Research.
  • Beatrice Dingha, Sushil Nyaupane, Louis Jackai (2020). (Laboratory Assessment of Host Plant Selection of the Brown Marmorated Stink Bug (Halyomorpha halys) ). In Science PG, (Refereed Journal Articles) (2) 4, pp. 26-34. American Journal of Entomology.
  • Akamu Ewunkem, Henry Sintim, Beatrice Dingha, Sudan Gyawaly, Louis Jackai (2020). (Nutritional Ecology of the Southern Green Stink Bug Nezara viridula (Hemiptera: Pentatomidae) on Selected Varieties of Cowpea and Tomato). (11) 4, pp. 9. American Journal of Entomology.
  • Beatrice Dingha, Sudan Gyawaly, Sarah Adjei-Fremah, Harmandeep Sharma, Arnab Bhowmik, Mulumebet Worku, Louis Jackai (2020). (Organic Mulch Increases Insect Herbivory by the Flea Beetle Species, Disonycha glabrata, on Amaranthus spp.). (3) 11, pp. 162. Insects.
  • Beatrice Dingha, Arnab Bhowmik, Louis Jackai (2019). (Industrial Hemp Knowledge and Interest among North Carolina Organic Farmers).
  • Louis Jackai, Beatrice Dingha, Mulumebet Worku (2018). (Cowpea-An Ancient Crop for Modern Challenges). pp. 6. Scientia.
  • Beatrice Dingha, Louis Jackai (2018). (Pesticide Residues in Fruits and Vegetables from Farmers’ Market). International Journal of Environmental Sciences and Natural Resources .
  • Louis Jackai, Beatrice Dingha (2018). (Transformative research on Cowpea: STOPCALLOSOBRUCHUS”-Post harvest for smallholder cowpea production using vegetable oil. ).
  • Mulumebet Worku, Sarah Adjei-Fremah, Niki Whitley, Louis Jackai (2017). (Effect of Cowpea (Vigna unguiculata) Pasture Grazing on Growth, Gastrointestinal Parasite Infection and Immune Response Biomarkers of Goat). (1) 10, pp. 27-37. Journal of Agricultural Science.
  • Beatrice Dingha, Louis Jackai (2017). (Laboratory rearing of the brown marmorated stink bug (Hemiptera: Pentatomidae) and the impact of single and combination of food substrates on development and survival). (1) 149, pp. 104-117. CANADIAN ENTOMOLOGIST.
  • Christopher Parr, Nelson Ntonifor, Louis Jackai (2016). (Evaluation of Sweet potato Cultivars for Differences in Cylas ponticollis (Curculionidae: Brentidae) Damage in South Western Cameroon). (1) 3, pp. 1-8. International Journal of Research in Agricultural Sciences.
  • Sarah Adjei-Fremah, Louis Jackai, Keith Schimmel, Mulumebet Worku (2016). ( Immunomodulatory activities of polyphenol extract from cowpea on bovine polymorphonuclear neutrophils). (supplement 5) 94, pp. 86-87. Journal of Animal Science.
  • Beatrice Dingha, Jeremy O'Neal, Arthur Appel, Louis Jackai (2016). (Integrated pest management of the German cockroach (Blattodea: Blattellidae) in manufactured homes in rural North Carolina). (4) 99, pp. 587-592. FLORIDA ENTOMOLOGIST.
  • Matthew Flanery, Henry Sintim, Beatrice Dingha, Louis Jackai, (2016). (Laboratory evaluation of the use of biorational and low risk insecticide mixtures in the management of diamondback moth larvae). (2A) 6, pp. 76-91. Journal of Agriculture Science and Technology A..
  • Sarah Adjei-Fremah, Louis Jackai, Keith Schimmel, Mulumebet Worku, (2016). (Microarray analysis of the effect of cowpea (Vigna unguiculata) phenolic extract in bovine peripheral blood.). 1, pp. 1-7. Journal of Applied Animal Research.
  • Sarah Adjei-Fremah, Emmanuel Asiamah, Kingsley Ekwemalor, Louis Jackai, Keith Schimmel, Mulumebet Worku (2016). (Modulation of bovine WNT Signalling genes by Cowpea phenolic extracts in vitro). (3) 8, pp. 21-35. Journal of Agricultural Science.
  • Sarah Adjei-Fremah, Emmanuel Asiamah, Kingsley Ekwemalor, Louis Jackai, Keith Schimmel, Mulumebet Worku (2016). (Modulation of Bovine WntSignalling Pathway by Cowpea Phenolic Extract). (3) 8, pp. 21-35. Journal of Agricultural Science.
  • Sarah Adjei-Fremah, Louis Jackai, Mulumebet Worku (2015). (Analysis of Phenolic Content and Antioxidant Properties of Selected Cowpea Varieties Tested in Bovine Peripheral Blood). (4) 10 , pp. 235.245. American Journal of Animal and Veterinary Science.
  • Jude Ewunkem, Louis Jackai, Henry Sintim, Beatrice Dingha, (2014). (Comparing the Impact of a Neonicotinoid and Biorational Agroneem on Herbivorous and Beneficial Arthropods on Cowpea and Tomato. ). 4, pp. 548-596. J. Agric. Science and Technol. A. 4:585-596.
  • Chrisanthus Parr, Nelson Ntonifor, Louis Jackai (2014). (Effect of Planting Dates on the population Dynamics of Cylas puncticollis and Sweet Potatoes in South West Cameroon. ). ((18)) 4 , pp. 41-48. Journal of Biology, Agriculture and Healthcare .
  • Geneva Nkongho, Aduni Achidi, Nelson Ntonifor, Festus Numfor, Beatrice Dingha, Louis Jackai, Conrad Bonsi (2014). (Sweet potatoes in Cameroon: Nutritional profile of leaves and their potential new use in local foods). pp. 1371-1377. African Journal of Agricultural Research.
  • Beatrice Dingha, Rachel Monteverdi, Jimo Ibrahim, Louis Jackai (2013). (Pest Control Practices for the German cockroach (Blattodea: Blattellidae): A Survey of Rural Residents in North Carolina.). 96, pp. 1008-1012. Florida Entomologist.
  • Beatrice Dingha, Louis Jackai, Rachel Monteverdi, Jimo Ibrahim (2013). (Pest Control Practices for the German Cockroach (Blattodea: Blattellidae): A Survey of Rural Residents in North Carolina). (3) 96, pp. 1009–1015. Florida Entomologist.
  • Beatrice Dingha, Louis Jackai, Rachel Monteverdi, Jimo Ibrahim (2013). (PEST CONTROL PRACTICES FOR THE GERMAN COCKROACH (BLATTODEA: BLATTELLIDAE): A SURVEY OF RURAL RESIDENTS IN NORTH CAROLINA). (3) 96, pp. 1009-1015. FLORIDA ENTOMOLOGIST.
  • S Oluwafemi, Louis Jackai (2013). (Stylet penetration behaviours of four Cicadulina leafhoppers on healthy and maize streak virus infected maize seedlings.). (2) 21, pp. 161–172. African Crop Science Journal.
  • David Onstad, J Kang, Malik Ba, M Tamo, Louis Jackai, Clementine Dabire, Barry Pittendrigh (2012). (Modeling evolution of resistance by Maruca vitrata (Lepidoptera: Crambidae) to transgenic insecticidal cowpea in Africa). (5) 41, pp. 1255–1267. Environmental entomology.
  • Nii Tackie, Louis Jackai, Ramble Ankumah, Beatrice Dingha, Abdul-Wahab Salifu, Oluwagbemiga Ojumu, others (2009). (Integrated pest management and protection practices by limited resource farmers). (1) 47, Journal of Extension.
  • P Nampala, MW Ogenga-Latigo, S Kyamanywa, E Adipala, N Oyobo, Louis Jackai (2009). (Potential Impact Of Intercropping On Major Cowpea Field Pests). (4) 10, pp. 335–344. African Crop Science Journal.
  • ON Oigiangbe, LE Jackai, FK Ewete, L Lajide, J Hughes (2008). (Effect of pubscence on the oviposition and feeding behaviour of M. Vitrata (FAB.)). (1) 46, pp. 55–65. Ghana Journal of Science.
  • Abraham Addo-Bediako, Baharnu Tameru, Louis Jackai, Conrad Bonsi (2007). (Assessment of Risk of Introduction of Cylas formicarius elegantulus (Coleoptera: Brentidae) into Weevil-Free Areas in the Southern United States). (2) 100, pp. 315–321. Journal of economic entomology.
  • Abraham Addo-Bediako, Baharnu Tameru, Louis Jackai, Conrad Bonsi (2007). (COMMODITY TREATMENT AND QUARANTINE ENTOMOLOGY-Assessment of Risk of Introduction of Cylas formicarius elegantulus (Coleoptera: Brentidae) into Weevil-Free Areas in the Southern United States.). (2) 100, pp. 315. Journal of Economic Entomology.
  • Sunday Oluwafemi, Louis Jackai, MD Alegbejo (2007). (Comparison of transmission abilities of four Cicadulina species vectors of maize streak virus from Nigeria). (3) 124, pp. 235–239. Entomologia experimentalis et applicata.
  • ON Oigiangbe, Louis Jackai, FK Ewete, L Lajide (2006). (Bioactive fractions of n-hexane extracts from Vigna pods against the legume pod borer, Maruca vitrata Fabricius). (19) 5, pp. 1846–1850. African Journal of Biotechnology.
  • ON Oigiangbe, Louis Jackai, FK Ewete, L Lajide, JDA Hughes (2006). (Effect of pubescence on the oviposition and feeding behaviour of M. vitrata (Fab.) on vigna species). 46, pp. 55–65. Ghana Journal of Science.
  • Megan Ulmer, Regina Ali, Conrad Bonsi, Louis Jackai, Bryon Sosinski (2006). (Study of the origins and spread of the sweetpotato weevil in the US using RDNA sequences). (3) 41, pp. 514–514. HortScience.
  • JAN Asiwe, S Nokoe, Louis Jackai, FK Ewete (2005). (Does varying cowpea spacing provide better protection against cowpea pests?). (5) 24, pp. 465–471. Crop protection.
  • Louis Jackai, F Quarcoo, A Ado-Bediako, CK Bonsi, MN Alvarez, SO Dada, G Huluka (2005). (GROWING SOUTHERNPEAS WITHOUT INSECTICIDES IN SOUTH-CENTRAL ALABAMA IS THIS AN ABERRATION OR A SUSTAINABLE TREND?). (3) 40, pp. 876–877. HortScience.
  • DM Jackson, KA Sorenson, CK Bonsi, A Addo-Bediako, R Ali, B Tameru, F Quarcoo, MN Alvarez, LE Jackai, B Sosinski (2005). (Occurrence and intra-specific variation of sweetpotato weevil (Brentidae: Coleoptera) in relation to its potential spread in southern United States of America and the Caribbean). pp. 197–204. II International Symposium on Sweetpotato and Cassava: Innovative Technologies for Commercialization 703.
  • P Koona, EO Osisanya, Louis Jackai, J Tonye (2004). (Infestation and damage by Clavigralla tomentosicollis and Anoplocnemis curvipes (Hemiptera: Coreidae) in cowpea plants with modified leaf structure and pods in different positions relative to the canopy). (3) 33, pp. 471–476. Environmental entomology.
  • P Koona, EO Osisanya, Louis Jackai, J Tonye (2004). (PHYSIOLOGICAL ECOLOGY-Infestation and Damage by Clavigralla tomentosicollis and Anoplocnemis curvipes (Hemiptera: Coreidae) in Cowpea Plants with Modified Leaf Structure and Pods in Different). (3) 33, pp. 471–476. Environmental Entomology.
  • P Koona, Louis Jackai (2004). (The potential of pod-shaving in studies of the role of trichomes in Vigna resistance to the pod-bug Clavigralla tomentosicollis Stål (Hemiptera: Coreidae)). (04) 24, pp. 298–303. International Journal of Tropical Insect Science.
  • Louis Jackai, SK Asante (2003). (A case for the standardization of protocols used in screening cowpea, Vigna unguiculata for resistance to Callosobruchus maculatus (Fabricius)(Coleoptera: Bruchidae)). (3) 39, pp. 251–263. Journal of Stored Products Research.
  • P Koona, EO Osisanya, L Lajide, Louis Jackai, M Tamo (2003). (Assessment of chemical resistance of wild and cultivated Vigna species to the brown pod-bug Clavigralla tomentosicollis Stal (Hem., Coreidae)). (5) 127, pp. 293–298. Journal of Applied Entomology.
  • AD Banjo, AT Hassan, Louis Jackai, AGO Dixon, IJ Ekanayake (2003). (Developmental and behavioural study of spiralling whitefly (Aleurodicus dispersus) on three cassava (Manihot esculenta Crantz) genotypes). (1) 26, pp. 145–149. CROP RESEARCH-HISAR-.
  • G MULLER-STARCK, L ROHI, B PINTUREAU, H LEVINSON, A LEVINSON, E OSTERRIED, RJ PROKOPY, RE MITTENTHAL, SE WRIGHT, GF ZHANG, others (2003). (F. BARRE, F. GOUSSARD, C. GERI Variation in the suitability of Pinus sylvestris to feeding by two defoliators, Diprion pini (Hym., Diprionidae) and Graellsia isabellae galliaegloria (Lep., Attacidae) R. BAUMANN, R. SCHUBERT, W. HEITLAND, M.-A. AUGER-ROZENBERG, P. FAIVRE-RIMPANT). 127, pp. 310. Journal of applied entomology.
  • OY Alabi, JA Odebiyi, Louis Jackai (2003). (Field evaluation of cowpea cultivars (Vigna unguiculata [L.] Walp.) for resistance to flower bud thrips (Megalurothrips sjostedti Trybom)(Thysanoptera: Thripidae)). (4) 49, pp. 287–291. International journal of pest management.
  • P Koona, EO Osisanya, L Lajide, Louis Jackai, GN Nyambi (2003). (The effect of extracts from different Vigna species on the development of the brown pod-bug Clavigralla tomentosicollis). (3) 107, pp. 247–250. Entomologia experimentalis et applicata.
  • AD Deverau, Louis Jackai, TB Olesegun, ANJ Asiwe (2002). (Evaluation of a novel technique for screening cowpea varieties for resistance to the seed beetle Callosobruchus maculatus). pp. 136–146. Challenges and Opportunities for Enhancing Sustainable Cowpea Production.
  • P Koona, EO Osisanya, Louis Jackai, M Tamo, J Reeves, J Hughes, others (2002). (Pod surface characteristics in wild and cultivated Vigna species and resistance to the coreid bug Clavigralla tomentosicollis Stal.(Hemiptera: Coreidae)). (01) 22, pp. 1–7. International Journal of Tropical Insect Science.
  • P Nampala, MW Ogenga-Latigo, S Kyamanywa, E Adipala, N Oyobo, Louis Jackai (2002). (Potential impact of intercropping on major cowpea field pests in Uganda). African Crop Science Society.
  • ON Oigiangbe, Louis Jackai, FK Ewete, J Hughes, L Lajide (2002). (Reduced consumption and use of pods of Vigna species (Leguminosae) by Maruca vitrata (Lepidoptera: Pyralidae)). (2) 10, pp. p–333. African entomology.
  • P Koona, EO Osisanya, Louis Jackai, M Tamo, RH Markham (2002). (Resistance in accessions of cowpea to the coreid pod-bug Clavigralla tomentosicollis (Hemiptera: Coreidae)). (6) 95, pp. 1281–1288. Journal of economic entomology.
  • Louis Jackai, S Nokoe, BO Tayo, P Koona (2001). (Inferences on pod wall and seed defences against the brown cowpea coreid bug, Clavigralla tomentosicollis Stal.(Hem., Coreidae) in wild and cultivated Vigna species). (5) 125, pp. 277–286. Journal of Applied Entomology.
  • SK Asante, M Tamo, Louis Jackai (2001). (Integrated management of cowpea insect pests using elite cultivars, date of planting and minimum insecticide application). (4) 9, pp. 655–665. African Crop Science Journal.
  • P Koona, EO Osisanya, Louis Jackai, M Tamo, J Tonye, JM Ngeve (2001). (Interaction between pod age and position on damage to cowpea Vigna unguiculata by hemipteran pod-sucking bugs). (06) 91, pp. 453–459. Bulletin of entomological research.
  • MA APPAWU, SK DADZIE, SQ QUARTEY, WMO THOMPSON, NO OIGIANGBE, LOUIS JACKAI, FK EWETE, L LAJIDE, PJ GEORGE, DA ENOBAKHARE, Louis others (2000). (AND ITS APPLICATION). (4) 20, International Journal of Tropical Insect Science.
  • Stephen Asante, Louis Jackai, Manuele Tamo (2000). (Efficiency of Gryon fulviventris (Hymenoptera: Scelionidae) as an egg parasitoid of Clavigralla tomentosicollis (Hemiptera: Coreidae) in northern Nigeria). (4) 29, pp. 815–821. Environmental entomology.
  • J Karungi, E Adipala, S Kyamanywa, MW Ogenga-Latigo, N Oyobo, Louis Jackai (2000). (Integrating planting time, plant density and insecticide application for management of cowpea field insect pests in eastern Uganda). 19, pp. 237–245. Crop Protect.
  • E Adipala, J Karungi, MW Ogenga Latigo, N Oyobo, Louis Jackai, others (2000). (Pest management in cowpea. 2. Integrating planting time, plant density and insecticide application for management of cowpea field insect pests in eastern Uganda.). (4) 19, pp. 237–245. Crop Protection.
  • J Karungi, E Adipala, S Kyamanywa, MW Ogenga-Latigo, N Oyobo, Louis Jackai (2000). (Pest management in cowpea. Part 2. Integrating planting time, plant density and insecticide application for management of cowpea field insect pests in eastern Uganda). (4) 19, pp. 237–245. Crop Protection.
  • Jesse Machuka, Oladapo Okeola, Maarten Chrispeels, Louis Jackai (2000). (The African yam bean seed lectin affects the development of the cowpea weevil but does not affect the development of larvae of the legume pod borer). (6) 53, pp. 667–674. Phytochemistry.
  • NO Oigiangbe, Louis Jackai, FK Ewete, L Lajide (2000). (The nutritional ecology of Maruca vitrata Fabricius I. Development on flowers of wild and cultivated Vigna species). (04) 20, pp. 259–268. International Journal of Tropical Insect Science.
  • J Machuka, EJM Damme, WJ Peumans, Louis Jackai (1999). (Effect of plant lectins on larval development of the legume pod borer, Maruca vitrata). (2) 93, pp. 179–187. Entomologia Experimentalis et Applicata.
  • P Nampala, MW Ogenga-Latigo, S Kyamanywa, E Adipala, J Karungi, N Oyobo, JE Obuo, Louis Jackai (1999). (Integrated management of major field pests of cowpea in eastern Uganda). (4) 7, pp. 479–486. African Crop Science Journal.
  • OG Omitogun, Louis Jackai, G Thottappilly (1999). (Isolation of insecticidal lectin-enriched extracts from African yam bean (Sphenostylis stenocarpa) and other legume species). (3) 90, pp. 301–311. Entomologia Experimentalis et Applicata.
  • C Alauzet, AV Alyokhin, AB Barron, RA Bell, SH Berlocher, J Bligaard, G Boivin, JH Borden, JC Bouvier, V Brosse, others (1999). (Potter, DA, 49 Pouvreau, A., 123). (339) 90, pp. 339. Entomologia Experimentalis et Applicata.
  • AD Devereau, PF Credland, J Appleby, Louis Jackai (1999). (Rapid screening of grain for insect resistance. Proceeding of the 7th International Working Conference on Stored-Product Protection, Beijing, China. 14-19 October 1998.).
  • Louis Jackai (1998). (Safe use of insecticides in agriculture). IITA.
  • AK Kononowicz, KT Cheah, ML Narasimhan, LL Murdock, RE Shade, MJZ Chrispeels, E Filippone, LM Monti, RA Bressan, PM Hasegawa, others (1997). (Developing a transformation systems for cowpea (Vigna unguiculata [L.] Walp.). Ibadan (Nigeria).
  • V Lattanzio, A Cardinali, V Linsalata, P Perrino, NO Ng, BB Singh, DR Mohan Raj, KE Dashiell, Louis Jackai (1997). (Flavonoid HPLC fingerprints of wild Vigna species). Advances in Cowpea Research.(Eds.) Singh, BB, DR Mohan Raj, KE Dashiell and LEN Jackai. Copublication of International Institute of Tropical Agriculture (IITA) and Japan.
  • I Galasso, JS Heslop-Harrison, P Perrino, D Pignone, BB Singh, DR Mohan Raj, KE Dashiell, Louis Jackai (1997). (Location and organization of major DNA sequence families in Vigna unguiculata (L.) Walp.). Ibadan (Nigeria).
  • A Agboh-Noameshie, Louis Jackai, AA Agboola, HC Ezumah (1997). (Manipulating canopy structure in cassava intercropped with cowpea and its effects on cowpea insect population densities). (3) 74, pp. 210–215. Tropical agriculture.
  • Louis Jackai, CB Adalla (1997). (Pest management practices in cowpea: a review). pp. 240–258. Advances in cowpea research.
  • H Bottenberg, M Tamo, D Arodokoun, Louis Jackai, BB Singh, O Youm (1997). (Population dynamics and migration of cowpea pests in northern Nigeria: implications for integrated pest management). pp. 271–284. Advances in cowpea research.
  • UE Umoren, OO Tewe, M Bokanga, Louis Jackai (1997). (Protein quality of raw and autoclaved cowpeas: comparison between some insect resistant and susceptible varieties). (4) 50, pp. 301–315. Plant foods for human nutrition.
  • NN Ntonifor, Louis Jackai (1996). (Comparative suitability of soybean and cowpea as host plants for the brown cowpea coreid bug, Clavigralla tomentosicollis Stal.(Hem., Coreidae)). (1-5) 120, pp. 439–443. Journal of Applied Entomology.
  • NN Ntonifor, Louis Jackai, FK Ewete (1996). (Influence of host plant abundance and insect diet on the host selection behavior of Maruca testulalis Geyer (Lepidoptera: Pyralidae) and Riptortus dentipes Fab (Hemiptera: Alydidae)). (1) 60, pp. 71–78. Agriculture, ecosystems & environment.
  • Louis Jackai, S Padulosi, Q Ng (1996). (Resistance to the legume pod borer, Maruca vitrata Fabricius, and the probable modalities involved in wild Vigna). (8) 15, pp. 753–761. Crop Protection.
  • S Oghiakhe, Louis Jackai, WA Makanjuola (1995). (Evaluation of cowpea genotypes for field resistance to the legume pod borer, Maruca testulalis, in Nigeria). (5) 14, pp. 389–394. Crop Protection.
  • Louis Jackai (1995). (Integrated pest management of borers of cowpea and beans). (3-4) 16, pp. 237–250. International Journal of Tropical Insect Science.
  • Louis Jackai (1995). (The legume pod borer Maruca testulalis, and its principal host plant, Vigna unguiculata (L.) Walp.—use of selective insecticide sprays as an aid in the identification of useful levels of resistance). (4) 14, pp. 299–306. Crop Protection.
  • NN Ntonifor, Louis Jackai (1994). (Comparative growth and development of Riptortus dentipes and Nezara viridula on cowpea and soybean pods). (4-5) 15, pp. 453–459. International Journal of Tropical Insect Science.
  • S Oghiakhe, Louis Jackai, CJ Hodgson, QN Ng (1993). (Anatomical and biochemical parameters of resistance of the wild cowpea, Vigna vexillata Benth (Acc. TVNu 72) to Maruca testulalis Geyer (Lepidoptera: Pyralidae)). (03) 14, pp. 315–323. International Journal of Tropical Insect Science.
  • S Oghiakhe, WA Makanjuola, Louis Jackai (1993). (Antibiosis mechanism of resistance to the legume pod borer, Maruca testulalis Geyer (Lepidoptera: Pyralidae) in cowpea). (03) 14, pp. 403–410. International Journal of Tropical Insect Science.
  • S Oghiakhe, Louis Jackai, WA Makanjuola (1993). (Cowpea plant architecture in relation to infestation and damage by the legume pod borer, Maruca testulalis Geyer (Lepidoptera: Pyralidae)—3. Effects of plant growth habit). (02) 14, pp. 199–203. International Journal of Tropical Insect Science.
  • IICA, Port-of-Spain (Trinidad y Tobago) (1993). (Diagnosis of the pineapple industry in Guyana: major constraints and perspectives.). (93-04) Miscellaneous Publications A2/TT (IICA).
  • JULIA ROBERTS, CJ Hodgson, Louis Jackai, G Thottappilly, Singh, SR (1993). (Interaction between two synthetic pyrethroids and the spread of two non-persistent viruses in cowpea). (1) 122, pp. 57–67. Annals of applied biology.
  • Mora, E de B, CIRAD (Guadalupe)>. (1993). (Some considerations concerning fruit production in Haiti. Documents.). Regional Workshop on Fruit Diversification.(Guadalupe). 26-28 Abr 1993..
  • TA Akinlosotu, Louis Jackai, NN Ntonifor, AT Hassan, CW Agyakwa, JA Odebiyi, AE Akingbohungbe, HW Rossel, others (1993). (Spiralling whitefly Aleurodicus dispersus in Nigeria.). (2) 41, pp. 127–129. FAO Plant Protection Bulletin.
  • S Oghiakhe, RJ Cooke, Louis Jackai (1993). (The characterization of cultivars of cowpeas, Vigna unguiculta (L.) Walp. and Vigna vexillata Benth. by electrophoresis of seed proteins). 70, pp. 190–190. TROPICAL AGRICULTURE-LONDON THEN TRINIDAD-.
  • S Oghiakhe, WA Makanjuola, Louis Jackai (1993). (The relationship between the concentration of phenol in cowpea and field resistance to the legume pod borer, Maruca testulalis Geyer (Lepidoptera: Pyralidae)). (3) 39, pp. 261–264. International journal of pest management.
  • Louis Jackai (1993). (The use of neem in controlling cowpea pests). 7, pp. 5–11. IITA Research.
  • S Oghiakhe, Louis Jackai, WA Makanjuola (1992). (A rapid visual field screening technique for resistance of cowpea (Vigna unguiculata) to the legume pod borer Maruca testulalis (Lepidoptera: Pyralidae)). (04) 82, pp. 507–512. Bulletin of Entomological Research.
  • S Oghiakhe, Louis Jackai, WA Makanjuola (1992). (Cowpea plant architecture in relation to infestation and damage by the legume pod borer, Maruca testulalis Geyer (Lepidoptera: Pyralidae)—2. Effect of pod angle). (03) 13, pp. 339–344. International Journal of Tropical Insect Science.
  • Louis Jackai, Eyoanwan Inang (1992). (Developmental profiles of two cowpea pests on resistant and susceptible Vigna genotypes under constant temperatures). (1-5) 113, pp. 217–227. Journal of Applied Entomology.
  • S Oghiakhe, Louis Jackai, WA Makanjuola, CJ Hodgson (1992). (Morphology, distribution, and the role of trichomes in cowpea (Vigna unguiculata) resistance to the legume pod borer, Maruca testulalis (Lepidoptera: Pyralidae)). (04) 82, pp. 499–505. Bulletin of entomological research.
  • S Oghiakhe, Louis Jackai, WA Makanjuola (1992). (Pod wall toughness has no effect on cowpea resistance to the legume pod borer Maruca testulalis Geyer (Lepidoptera: Pyralidae)). (03) 13, pp. 345–349. International Journal of Tropical Insect Science.
  • Singh, SR, Louis Jackai, G Thottappilly, KF Cardwell, GO Myers (1992). (Status of research on constraints to cowpea production). pp. 21–26. Biotechnology: Enhancing research on tropical crops in Africa.
  • Louis Jackai, EE Inang, P Nwobi (1992). (The potential for controlling post-flowering pests of cowpea, Vigna unguiculata Walp. using neem, Azadirachta indica A. Juss). (1) 38, pp. 56–60. International Journal of Pest Management.
  • S Oghiakhe, Louis Jackai, WA Makanjuola (1991). (Anatomical parameters of cowpea, Vigna unguiculata (L.) Walp. stem and pod wall resistance to the legume pod borer Maruca testulalis Geyer (Lepidoptera: Pyralidae)). (1-2-3) 12, pp. 171–176. International Journal of Tropical Insect Science.
  • JVK Afun, Louis Jackai, CJ Hodgson (1991). (Calendar and monitored insecticide application for the control of cowpea pests). (5) 10, pp. 363–370. Crop protection.
  • GO Olatunde, JA Odebiyi, Louis Jackai (1991). (Cowpea antixenosis to the pod sucking bug, Clavigralla tomentosicollis Stal.(Hemiptera: Coreidae)). (04) 12, pp. 449–454. International Journal of Tropical Insect Science.
  • S Oghiakhe, Louis Jackai, WA Makanjuola (1991). (Cowpea Plant Architecture in Relation to Infestation and Damage by the Legume Pod Borer, Maruca Testulalis Geyer (Lepidoptera: Pyralidae)—I. Effect of Canopy Structure and Pod Position). (1-2-3) 12, pp. 193–199. International Journal of Tropical Insect Science.
  • GO Olatunde, JA Odebiyi, HS Chiang, Louis Jackai (1991). (Identification of sources of resistance in cowpea, Vigna unguiculata L. Walp. to Clavigralla tomentosicollis Stal.(Hemiptera: Coreidae)). (04) 12, pp. 455–461. International Journal of Tropical Insect Science.
  • Louis Jackai (1991). (Laboratory and screenhouse assays for evaluating cowpea resistance to the legume pod borer). (1) 10, pp. 48–52. Crop protection.
  • Louis Jackai, Singh, SR (1991). (Research on the legume pod borer, Maruca testulalis). (2) 1, pp. 1–7. IITA Research.
  • KE Dashiell, Louis Jackai, GL Hartman, HO Ogundipe, B Asafo-Adjei (1991). (Soybean germplasm diversity, uses and prospects for crop improvement in Africa).
  • Louis Jackai, IO Oyediran (1991). (The Potential of Neem Azadirachta Indica A. Juss. for Controlling Post-Flowering Pests of Cowpea, Vigna Unguiculata Walp—I. The Pod Borer, Maruca Testulalis). (1-2-3) 12, pp. 103–109. International Journal of Tropical Insect Science.
  • Louis Jackai, AR Panizzi, GG Kundu, KP Srivastava (1990). (Insect pests of soybean in the tropics.). (Insect Pests of Tropical Food Legumes) International Institute of Tropical Agriculture Ibadan.
  • Shiv Singh, others (1990). (Insect pests of tropical food legumes.). Insect pests of tropical food legumes.
  • Louis Jackai, RS Ochieng, Raulston, JR (1990). (Mating and oviposition behaviour in the legume pod borer, Maruca testulalis). (2) 56, pp. 179–186. Entomologia experimentalis et applicata.
  • Louis Jackai (1990). (Screening of cowpeas for resistance to Clavigralla tomentosicollis Stål (Hemiptera: Coreidae)). (2) 83, pp. 300–305. Journal of economic entomology.
  • Louis Jackai (1989). (A laboratory procedure for rearing the cowpea coreid, Clavigralla tomentosicollis Stål (Hemiptera), using dry cowpea seeds). (02) 79, pp. 275–281. Bulletin of Entomological Research.
  • Louis Jackai, NQ Ng (1989). (Entomology: host plant resistance to insect pests). IITA Grain Legume Improvement Program. Annual Report 1987 (IITA).
  • Louis Jackai, S Oghiakhe (1989). (Pod wall trichomes and resistance of two wild cowpea, Vigna vexillata, accessions to Maruca testualis (Geyer)(Lepidoptera: Pyralidae) and Clavigralla tomentosicollis Stål (Hemiptera: Coreidae)). (04) 79, pp. 595–605. Bulletin of Entomological Research.
  • Louis Jackai, PK Atropo, JA Odebiyi (1989). (Use of the response of two growth stages of cowpea to different population densities of the coreid bug, Clavigralla tomentosicollis (Stål.) to determine action threshold levels). (6) 8, pp. 422–428. Crop Protection.
  • Louis Jackai, JMF Roberts, Singh, SR (1988). (Cowpea seed treatment with carbosulfan: potential for control of seedling pests). (6) 7, pp. 384–390. Crop protection.
  • Louis Jackai, KE Dashiell, LL Bello (1988). (Evaluation of soybean genotypes for field resistance to stink bugs in Nigeria). (1) 7, pp. 48–54. Crop Protection.
  • Louis Jackai, Raulston, JR (1988). (Rearing the legume pod borer, Maruca testulalis Geyer (Lepidoptera: Pyralidae) on artificial diet). (2) 34, pp. 168–172. International Journal of Pest Management.
  • Louis Jackai, TM Ndlovu, others (1988). (Screen cage and laboratory evaluation of the efficacy of six foliar insecticides on different stages of the cowpea coreid bug, Clavigralla tomentosicollis (Hemiptera: Coreidae)). 9, pp. 223–228. Insect Sci. Appl.
  • Louis Jackai, Singh, SR (1988). (Screening techniques for host plant resistance to cowpea insect pests). Tropical Grain Legume Bulletin no. 35, 1988 (IITA).
  • Louis Jackai, KE Dashiell, LL Bells (1988). (Soybean entomology). IITA Grain Legume Improvement Program. Annual Report 1986 (IITA).
  • Singh, SR, Louis Jackai (1988). (The legume pod-borer, Maruca testulalis (Geyer): past, present and future research). (01) 9, pp. 1–5. International Journal of Tropical Insect Science.
  • HS Chiang, Louis Jackai (1988). (Tough pod wall: a factor involved in cowpea resistance to pod sucking bugs). (03) 9, pp. 389–393. International Journal of Tropical Insect Science.
  • J Roberts, CJ Hodgson, Louis Jackai, Singh, SR (1987). (Effects of single sprays of synthetic pyrethroids on colonisation by Aphis craccivora on cowpea, and the spread of non-persistent viruses). 110, pp. 8–9. Annals of applied biology.
  • Louis Jackai, Singh, SR (1987). (Entomological research on soybeans in Africa). Soybeans for the tropics: research, production, and utilization/edited by SR Singh, KO Rachie, and KE Dashiell.
  • Louis Jackai, RA Daoust (1986). (Insect pests of cowpeas). (1) 31, pp. 95–119. Annual review of entomology.
  • Louis Jackai, Singh, SR (1986). (New foliar insecticides for the control of cowpea pests). pp. 761–768. Proc. 1986 Br. Crop Prot. Conf-Pests diseases.
  • Joseph Suh, Louis Jackai, WNO Hammond (1986). (Observations on pod sucking bug populations on cowpea at Mokwa, Nigeria). 33, pp. 17–19. Trop. Grain Legume Bull.
  • Singh, SR, Louis Jackai (1985). (Insect pests of cowpeas in Africa: their life cycle, economic importance and potential for control). pp. 217–231. Cowpea research, production and utilization.
  • Louis Jackai, Singh, SR, AK Raheja, F Wiedijk (1985). (Recent trends in the control of cowpea pests in Africa). pp. 233–243. Cowpea research, production and utilization.
  • Louis Jackai, KE Dashiell, DA Shannon, WR Root (1985). (Soybean production and utilization in sub-Saharan Africa). Westview Press.
  • BB Singh, Singh, SR, Louis Jackai (1984). (Cowpea breeding for disease and insect resistance). (55) pp. 139. Breeding for Durable Disease and Pest Resistance.
  • Louis Jackai (1984). (Studies on the feeding behaviour of Clavigralla tomentosicollis (Stal.)(Hemiptera, Coreidae) and their potential use in bioassays for host plant resistance). (1-5) 98, pp. 344–350. Zeitschrift für angewandte Entomologie.
  • Louis Jackai (1984). (Using trap plants in the control of insect pests of tropical legumes). pp. 101–112. Proceedings of the International Workshop on Integrated Pest Control of Grain Legumes, Goiania, Goias, Brasil.
  • Louis Jackai (1983). (Efficacy of insecticide applications at different times of day against the legume pod-borer, Maruca testulalis (Geyer)(Lepidoptera: Pyralidae), on cowpea in Nigeria). Protection Ecology (Netherlands).
  • Louis Jackai, Singh, SR (1983). (Suitability of selected leguminous plants for development of Maruca testulalis larvae). (2) 34, pp. 174–178. Entomologia Experimentalis et Applicata.
  • Louis Jackai, Shiv Singh (1983). (Varietal resistance in the integrated pest management of cowpea pests). (1-2) 4, pp. 199–204. International Journal of Tropical Insect Science.
  • Louis Jackai (1982). (A field screening technique for resistance of cowpea (Vigna unguiculata) to the pod-borer Maruca testulalis (Geyer)(Lepidoptera: Pyralidae)). (01) 72, pp. 145–156. Bulletin of Entomological Research.
  • LOUIS JACKAI (1981). (Relationship between cowpea crop phenology and field infestation by the legume pod borer, Maruca testulalis). (4) 74, pp. 402–408. Annals of the Entomological Society of America.
  • Louis Jackai, Singh, SR (1981). (Studies on some behavioral aspects of Maruca testulalis on selected species of Crotalaria, and Vigna unguiculata). Tropical grain legume bulletin.
  • Louis Jackai (1981). (Use of an oil-soluble dye to determine the oviposition sites of the legume pod-borer Maruca testulalis (Geyer)(Lepidoptera: Pyralidae)). (04) 2, pp. 205–207. International Journal of Tropical Insect Science.
  • Louis Jackai, others (1980). (Use of an oil-soluble dye to determine the oviposition sites of the legume pod borer, Maruca testulalis (Geyer)(Lepidoptera: Pyralidae).). (19) pp. 4–9. Tropical Grain Legume Bulletin.