Publications & Research
Dr. Alusaine Edward Samura
Peer Reviewed Journal Publications
A. Mansaray, A. J. Sundifu, A. E. Samura, F. B. Massaquoi, D. D. Quee, S. N. Fomba and M. T. Moseray. (2012). Cassava Genotype Evaluation for Grasshopper Zonocerus variegatus (L.) (Orthoptera: Pyrgomorphidae) Susceptibility in Southern Sierra Leone. International Journal of Agriculture and Forestry, 2(6):294-299.
A. E. Samura, S. N. Fomba and A. G. O. Dixon. (2013) Mitigating the effect of African Cassava Mosaic Disease (ACMD) on Cassava Productivity in Sierra Leone: Past and Present Efforts. International Journal of Agriculture and Forestry, 3(7):353-361
Sheku Max Kanteh, Alusiane E. Samura, Hassan Jalloh. (2013). Weeding and Plant Density Effects on Weed Density, Agronomic Traits and Grain Weight of Cowpea (Vigna unguiculata) in Sierra Leone. International Journal of Agriculture and Forestry, 3(3): 117-128. DOI: 10.5923
Alusaine E. Samura, Festus B. Massaquoi, Augustine Mansaray, P. Lava Kumar, J. P. C. Koroma, S. N. Fomba, A. G. O. Dixon. (2014). Status and Diversity of the Cassava Mosaic Disease Causal Agents in Sierra Leone. International Journal of Agriculture and Forestry, 4(3): 246-254
Norman, J. E., Kanteh, S. M., Samura, A. E. and Mansaray, A. (2014). Farmer knowledge and management of key pests for okra, Abelmoschus esculentus (L) Moench in Sierra Leone. Journal of Harmonized Research in Applied Sciences, 2(4): 328-340
P. E. Norman, J. B. A. Whyte, A. E. Samura, A. Massaquoi, L. Sesay, A. G. O. Dixon, S. N. Fomba, M. T. Benya, and M. M. Sowa. (2015). Effect of staking and non-staking systems on disease severity, yield and quality attributes of yams (Dioscorea alata). Journal of Agriculture and Ecology Research International, 2(4):219-229.
Alusaine E. Samura, Sheku M. Kanteh, Johnny E. Norman and Sahr N. Fomba. (2016). Integrated Pest Management Options for the Cassava Mosaic Disease in Sierra Leone. International Journal of Agriculture Innovations and Research, Volume 5, Issue 3, ISSN (Online) 2319-1473.
Dan David Quee, Joseph Sarkodie-Addo, Stephanie Duku, Alusaine Edward Samura, Abdul Rahman Conteh, Jenneh Fatima Bebeley & Janatu Veronica Sesay. (2016). Economic Evaluation of Weed Control and Herbicide Residues on Cassava (Manihot esculenta Crantz) in Ghana. Journal of Agricultural Science, Vol. 8, No. 7; 2016. ISSN 1916-9752 E-ISSN 1916-9760. Published by Canadian Center of Science and Education.
Alusaine E. Samura, Kepifri A. Lakoh, Osman Nabay, Sahr N. Fomba & James P. C. Koroma. (2017). Effect of Cassava Mosaic Disease (CMD) on Yield and Profitability of Cassava and Gari Production Enterprises in Sierra Leone. Journal of Agricultural Science, Vol. 9, No. 2.
Abdul Rahman Conteh, Alusaine Edward Samura, Emmanuel Hinckley, Osman Nabay and Mohamed Saimah Kamara. (2017). Identifying the potential of some heavy metals toxicity in urban and peri-urban cropping systems in Sierra Leone. Journal of Agricultural Science and Practice, Volume 2: 74-85. Published 21st September, 2017. ISSN: 2536-7072.
Patrick M. Ngegba, Ololade A. Enikuomehin, Clement G. Afolabi, Aderonke K. Akintokun, Ayotokunbo O. Egbontan, Salia M. Kanneh And Alusaine E. Samura. (2017). Evaluation of some plant extracts on mycelia growth and sporulation density of fungal pathogens of groundnut (arachis hypogaea l.) in-vitro. International Journal of Development Research, Vol. 07, Issue 07: 13808-13814, July, 2017
Samura A. E., Fomba S. N., Conteh A. R., Mansaray A., Norman J. E., et al. (2018). Screening and Identifying Farmers' Preferred Varieties for Adaptability and Resistance to Cassava Mosaic Disease (CMD) in Sierra Leone. J Plant Sci Crop Protec, 1(1): 104
Osman Nabay, Abdul R. Conteh, Alusaine E. Samura, Mathew L. S. Gboku, Martin Koroma, Fallah S. Kassoh, Keiwoma M. Yila, James B. A. Whyte, Daniel S. Fornah, Isata Kamanda, Dan D. Quee and Festus B. Massaquoi. (2018). Economic Analysis of Gari Processing Systems in Sierra Leone. Asian Journal of Agricultural Extension, Economics & Sociology, 26(3): 1-10, 2018; Article no.AJAEES.42393 ISSN: 2320-7027
Alusaine E. Samura and Sahr N. Fomba. (2019). An overview of cassava mosaic disease and its implications for the productivity of cassava in Sierra Leone. CAB Reviews 2016 14, No. 027. doi: 10.1079/PAVSNNR201914027
Alimamy Fornah, Alusaine Samura and Yaema Fornah. (2020). The effect of cement as lime on rosette disease and cercospora leaf spot on groundnut grain yield. International Journal of Horticulture, Agriculture and Food Science (IJHAF), Vol-4, Issue-4, Jul-Aug, 2020. https://dx.doi.org/10.22161/ijhaf.4.4.6 ISSN: 2456-8635
Brewah, P. B., Sundufu, A. J. and Samura, A. E. (2023). Perceptions of Sierra Leonean Mango Farmers on the Pest Status and Current Management Practices for the Control of Fruit fly in Sierra Leone. Advances in Entomology. https://dx.doi.org/10.4236/
Torto, S., Samura, A., Sundufu, A., Quee, D., Musa, D., Kanu, S., Fomba, S., Norman, P. (2023). Grasshopper (Zonocerus variegatus L) Infestation and Root Dry Matter Content of Cassava as Influenced by Planting Date and Cassava Genotypes. Peruvian Journal of Agronomy, 7(1): 42-50. https://doi.org/10.21704/pja.v7i1.2001
Saffea Joseph Torto, Alusaine Edward Samura, Prince Emmanuel Norman, Dennis Peter Musa, Abu James Sundufu, Sheku Alfred Kanu, David Dan Quee and Sahr Ngoba Fomba. (2023). Farmers' perception on severity, crop loss and management practices of variegated grasshopper (Zonocerus variegatus L.) on cassava (Manihot esculenta Crantz) in Sierra Leone. Magna Scientia Advanced Research and Reviews, 09(01): 034–043. Article DOI: https://doi.org/10.30574/msarr.2023.9.1.0129
Dan David Quee, Marco David Tarawallie, Musa Decius Saffa, Abdulai Sillah and Abu James Sundufu. (2023). Orange-fleshed potato cultivars' responsiveness to herbicides and weed species interruption in Njala, Moyamba District, Southern Sierra Leone. World Journal of Advanced Research and Reviews, 19(03): 1421–1427. Article DOI: https://doi.org/10.30574/wjarr.2023.19.3.1435
Samura, A. E., Joseph, B., Vandi, A. and Prince, E. N. (2024). Efficacy of Various Disease Management Options and Evaluation of Farmers' Fields for Major Diseases of Rice in Sierra Leone. Annals of Plant Sciences, 13.03: 6212-6228.
Amara, V.; Samura, A. E.; Norman, P. E.; Kanu, S. A.; Karim, K. Y.; Tiendrebeogo, F.; Eni, A. O.; Pita, J. S. (2024). Characterization of Cassava (Manihot esculenta) Germplasm from Sierra Leone Based on Agro-Morphological and Culinary Traits. Preprints 2024, 2024050236. https://doi.org/10.20944/preprints202405.0236.v1
Johnny Ernest Norman, Dan David Quee, Philip Jimia Kamanda, Alusaine Edward Samura. (2019). Influence of Plant Spacing on Insect Population, Growth and Yield of Okra in Sierra Leone. American Journal of Entomology, 3(2): 49-55. doi: 10.11648/j.aje.20190302.14
Vandi Amara, Alusaine Edward Samura, Prince Emmanuel Norman, Sheku Alfred Kanu, Kumba Yannah Karim, Fidèle Tiendrebeogo, Angela Obiageli Eni and Justin S. Pita. (2024). Characterization of the Cassava (Manihot esculenta) Germplasm in Sierra Leone Based on Agro-Morphological and Culinary Traits. Horticulturae, 10, 640. https://doi.org/10.3390/horticulturae10060640
Alusaine Edward Samura, Joseph Beamah, Vandi Amara and Prince Emmanuel Norman. (2024). Efficacy of Various Disease Management Options and Evaluation of Farmers' Fields for Major Diseases of Rice in Sierra Leone. Annals of Plant Sciences, Volume, issue 03: 6228.
Alusaine Edward Samura, Vandi Amara, Fatmata Binta Samura. (2024). Evaluation of Irish Potato Genotypes (Solanum tuberosum L.) Against Diseases for Adaptability in Sierra Leone. International Journal of Applied Agricultural Sciences, Vol.10, No.4: 157-164
Alusaine Edward Samura, Pricellia Nornor Watson, Vandi Amara, Prince Emmanuel Norman, Musa Decius Saffa. (2024). Pests, Diseases, Growth and Yield of Tomato as Influenced by Variety and Cultivation Technology. Journal of Plant Sciences, Volume 12, Issue 6, December 2024, ISSN Print: 2331-0723, DOI: 10.11648/j.jps
Paul Borbor Brewah, Alusaine Edward Samura, Abu James Sundufu, Vandi Amara, Raymonda Adeline Bernadette Johnson. (2024). Perceptions of Sierra Leonean Mango Farmers on the Pest Status and Current Management Practices for the Control of Fruit Fly in Sierra Leone. Advances in Entomology, 13: 94-106. https://doi.org/10.4236/ae.2025.131006
Alusaine Edward Samura, Vandi Amara, Raymonda Johnson, Dan David Quee, Musa Decius Saffa, Marco David Tarawally, Kevin Barry Rice, Alieu Mohamed Bah. (2025). Efficacy of Insecticidal Net in Controlling Fall Armyworm (Spodoptera frugiperda) Population and Damage on Maize (Zea mays L.) in Sierra Leone. American Journal of Entomology, vol.9, No.1: 55-62
Alusaine Edward Samura, Jepson Kebbie, Vandi Amara, David Dan Quee, Joseph Musa. (2025). Incidence, Severity, and Distribution of Cassava Bacteria Blight Disease in Sierra Leone. American Journal of Plant Biology, vol.10, No.1: 1-9.
Samura, A. E., Flomo, W., Amara, V., Quee, D. D., & Kallon, V. I. (2025). Influence of variety and cultivation technologies on cucumber growth, yield and insect pests management in Sierra Leone. Archives of Current Research International, 25(7): 375–388. https://doi.org/10.9734/ACRI/2025/v25i7307
Mansaray, A. H. D., Samura, A. E., Amara, V., & Quee, D. D. (2025). Assessing farmers' perception and knowledge in the management of economically important insect pests of rice in Sierra Leone. Asian Journal of Advanced Research and Reports, 19(7): 72–83. https://doi.org/10.9734/ajarr/2025/v19i71082
Saffa, M., Samura, A., Bah, M., Eni, A., Tibiri, E., Sagnon, A., Tiendrébéogo, A., Pita, J., Norman, P., & Johnson, R. (2025). Detection of cassava mosaic disease and assessment of selected agronomic traits of cassava (Manihot esculenta). Horticulturae, 11(6). https://doi.org/10.3390/horticulturae11060618
Saffa, M. D., Samura, A. E., Bah, M. A., Eni, A. O., Tibiri, E. B., Zongo, S., Amoakon, W. J.-L., Tiendrébéogo, F., Pita, J. S., & Norman, P. E. (2025). Identification and distribution of begomoviruses infecting cassava fields in Sierra Leone. Plants, 14(14): 2142. https://doi.org/10.3390/plants14142142
Torto, S. J., Sundufu, A. J., Samura, A. E., Fomba, S. N., Musa, D. P., Kanu, S. A., & Norman, P. E. (2024). Oviposition Site Preference and Its Effects on Subsequent Development of Variegated Grasshopper (Zonocerus variegatus L.) under Laboratory Conditions. Advances in Entomology, 12(3): 143-154.
Torto, S. J., Norman, P. E., Samura, A. E., Fomba, S. N., Musa, P. D., Norman, J. E., & Kanu, S. A. (2025). Estimation of Cassava Crop Loss as Influenced by Grasshoppers (Zonocerus variegatus L) Infestation under Protected and Unprotected Field Conditions. Advances in Entomology, 13(3): 255-270.
Conference Proceedings
Alusaine E. Samura, Augustine Mansaray, Sheku Max Kantek, Denis K. Amara, Musa Saffa, David D. Quee, Alimu Mansaray, Abdul R. Conteh and James B. A. Whyte. (2017). Seasonal Variation, Distribution and Severity of Major Diseases of Cassava in Sierra Leone. Njala University Society for Academic Advancement (NUSAA). Fouray Bay College, University of Sierra Leone.
A. E. Samura, F. B. Massaquoi, D. Quee, L. C. Marrah, G. Samba, S. N. Fomba and A. G. O. Dixon. (2012). Current status of Irish Potato (Solanum tuberosum L) production and constraint in Sierra Leone. Proceedings of the 11th Triennial Symposium of the ISTRC-AB held at Memling Hotel, Kinshasa, D.R Congo. 4-8 October, 2010.
A. E. Samura and M. D. Thomas. (2002). The effect of the African cassava mosaic disease on the yield and yield components of four cassava varieties in Sierra Leone. International Society for Tropical Root Crops (ISTRC).
A. E. Samura, J. Bart, L. Kumar, F. B. Massaquoi, J. P. C. Koroma, M. T. Lahai, S. N. Fomba, D. S. Fornah and A. G. O. Dixon. (2013). Identifying Cassava Mosaic Disease Resistant Genotypes For Industrial And Local Uses In Sierra Leone. Proceedings of the 12th Triennial Symposium of the International Society of Tropical Root Crops – Africa Branch (ISTRC–AB) Accra, Ghana. 29th September - 3rd October 2013. In press.
F. B. Massaquoi, A. E. Samura, A. Mansaray, S. N. Fomba, D. S. Fornah, A. Massaquoi, L. Sesay and A. G. O. Dixon. (2012). Participatory Varietal Selection Of Orange-fleshed Cassava (Manihot esculenta Crantz) Genotypes For Increased Productivity And Nutritional Status Of Farm Families In Sierra Leone. Presented at the Second Scientific Conference of the Global Cassava Partnership, held on the 18-22 June, 2012 at the Commonwealth Resort, Muyunyo, Kampala, Uganda.
F. B. Massaquoi, A. E. Samura, A. Mansaray, D. D. Quee, D. S. Fornah, L. Sesay, A. Massaquoi, M. T. Benya, and S. N. Fomba. (2013). On-farm participatory evaluation of improved cassava genotypes (Manihot esculenta) in Sierra Leone. 12th International Symposium of the ISTRC Africa Branch, Accra, Ghana, 30th September to 5th October, 2013.
Fomba, S. N., Massaquoi, F. B., Norman, P. E., Samura, A. E., Mansaray, A., Tucker, M. J., Jalloh, A., Dixon, A. G. O., Sawi, M. K., Anthony, N. A., Sowe, S., Beah, A. A., Benya, M. T., Fornah, D. S., Sartie, A., Onadipe, O. Sanni, I. O. and Sanyang, O. (2010). Current status of root and tuber crops improvement, production and utilization in Sierra Leone. 11th Symposium of ISTRC - AB
Massaquoi, F. B., Samura, A. E., Mansaray, A., Fornah, D. S., Fomba, S. N. and Dixon, A. G. O. (2010). Farmers participatory approach to breeding for superior cassava (Manihot esculenta Crantz) genotypes in Sierra Leone. 11th Symposium of ISTRC - AB
Moseray, M. T., Samura, A. E. and Mansaray, A. (2010). Improving elite cowpea (Vigna unguiculata (L) Walp) lines in the upland of Njala, Southern Sierra Leone. 5th World cowpea conference, Saly, Senegal
P. E. Norman, J. B. A. Whyte, A. E. Samura, A. Massaquoi, L. Sesay, A. G. O. Dixon, S. N. Fomba, M. T. Benya and M. M. Sowa. (2013). Evaluation of introduced yam genotypes in three agro-ecologies of Sierra Leone. In: Proceedings of the 12th Triennial Symposium of ISTRC-AB, Alisa Hotel, Accra, Ghana, 3-6 October 2013.
S. N. Fomba, F. B. Massaquoi, A. E. Samura, D. S. Fornah, A. Massaquoi, and M. T. Benya. (2012). Innovative systems to improve small to medium scale cassava processing in Sierra Leone. Proceedings of the 11th Triennial Symposium of the ISTRC-AB held at Memling Hotel, Kinshasa, D. R Congo. 4-8 October, 2010.
S. N. Fomba, F. B. Massaquoi, P. E. Norman, A. E. Samura, A. Mansaray, A. Jalloh, A. G. O. Dixon, N. A. Anthony, M. T. Benya, D. S. Fornah, M. K. Sawi, A. Sartie, O. Onadipe and I. O. Sanni. (2012). Current status of root and tuber crops improvement, production and utilization in Sierra Leone. Proceedings of the 11th Triennial Symposium of the ISTRC-AB held at Memling Hotel, Kinshasa, D. R Congo. 4-8 October, 2010
S. N. Fomba, J. B. A. Whyte, F. B. Massaquoi, P. E. Norman, A. E. Samura, A. Mansaray, N. M. Anthony, M. T. Benya, A. G. O. Dixon, M. L. S. Gboku, D. S. Fornah, L. Sesay, A. Massaquoi and F. Kobba. (2013). Advances in Cassava (Manihot esculenta Crantz) and Yam (Dioscorea spp.) Breeding and Development in Sierra Leone: 2008-2012. Proceedings of the 12th Triennial Symposium of the International Society of Tropical Root Crops – Africa Branch (ISTRC–AB) Accra Ghana. 29th September - 3rd October 2013.
K. M. Yila, J. F. Bebeley, O. Nabay, A. E. Samura, A. Mansaray, A. R. Conteh. (2016). The effect of cassava plant architecture on crop productivity in various cassava-maize cropping systems in Sierra Leone. West Africa Agricultural Productivity Programme (WAAPP-Ghana) National Centre of Specialisation on Root and Tuber Crops. Regional Conference held in CSIR Crops Research Institute, Fumesua, Kumasi-Ghana 1st - 7th May 2016.
Research Projects
2017-2018
Sierra Leone Agricultural Research Institute (SLARI) Njala Agricultural Research Centre (NARC) and Helen Keller International (HKI)
Institutional Research: Orange Flesh Sweet Potato Project
Theme/Course: Adoption Likelihood Analyses of Orange Flesh Sweet Potato in Sierra Leone
2016
Sierra Leone Agricultural Research Institute (SLARI) Njala Agricultural Research Centre (NARC)
Institutional Research: CORAF Project
Theme: Negative Externalities of Intensification of Land Cultivated in Peri-Urban Areas: Methods and Tools Assessment and Alternative Practices in Sierra Leone
2014-2015
West Africa Agricultural Productivity Project
Funded by: World Bank
Sierra Leone Agricultural Research Institute (SLARI) Njala Agricultural Research Centre (NARC)
2014
Dissemination of New Agricultural Technologies in Africa (DONATA)
Sierra Leone Agricultural Research Institute (SLARI) Njala Agricultural Research Centre (NARC)
Funded by: CORAF/WECARD
2012-2014
Plan Sierra Leone and Sierra Leone Agricultural Research Institute (SLARI)
Project: Innovative approaches to food security in Sierra Leone
Funded by: European Union
2009
Common Fund for Commodities (CFC)
Project: Cassava Value Addition Project
Implemented in partnership with: International Institute of Tropical Agriculture (IITA)