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Field evaluation of some cowpea genotypes for resistance to the Cercospora leaf spot disease in Northern Ghana

By: Frederick Kankam, Theophilus Kwabla Tengey, Isaac Boatey Akpatsu

Key Words: Cowpea, Genotype, Cercospora leaf spot disease, Resistance.

Int. J. Biosci. 19(2),72-81, August 2021.


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Cercospora leaf spot infection during flowering, podding, and pod filling stages of cowpea has been reported to cause as high as 80% yield losses among susceptible genotypes. The objectives of this study were to evaluate selected cowpea genotypes for resistance to Cercospora leaf spot disease under field conditions and to determine the impact of the disease on yield and its associated components on cowpea. Twenty-five (25) cowpea genotypes were evaluated for resistance to the Cercospora leaf spot disease under field conditions in Northern Ghana. The experiment was laid out in a Randomized Complete Block Design with three replications at both Nyankpala and Yendi. Agronomic data and cercospora disease scores were taken. The results revealed that four genotypes; IT10K-817-3, IT13K-1070-2, IT14-2112-1 and IT86D-610 were slightly resistant to the disease. IT14K-1682-2 and IT14K-1682-3 were susceptible to the disease whilst the remaining nineteen genotypes were moderately resistant to the Cercospora leaf spot disease. IT14K-1682-3 can be considered a tolerant line as it yields appreciably although it showed susceptibility to the disease. The different categories of resistance identified among the cowpea genotypes will be useful in breeding for resistance to Cercospora disease in cowpea.

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Field evaluation of some cowpea genotypes for resistance to the Cercospora leaf spot disease in Northern Ghana

Agbicodo EM, Fatokun CA, Muranaka S, Visser RG. 2009. Breeding drought tolerant cowpea: constraints, accomplishments, and future prospects 167(3), 353-370.

Ajibade SR, Amusa NA. 2001. Effects of fungal diseases on some cowpea lines in the humid environment of South Western Nigeria. Journal of Sustainable Agriculture and the Environment 3(2), 246-253.

Akande SR. 2007. Genotype by environment interaction for cowpea seed yield and disease reaction in the forest and derived savanna agro ecologies of south-west Nigeria. American-Eurasian Journal of Agriculture and Science 2(2), 163-168.

Akpalu MM, Salaam M, Oppong-Sekyere D, Akpalu SE. 2014. Farmers’ knowledge and cultivation of cowpea (Vigna unguiculata (L.) Verdc.) in three communities of Bolgatanga Municipality, Upper East Region, Ghana. Current Journal of Applied Science and Technology 4(5), 775-792.

Awurum AN, Emechebe AM. 2001. The effects of leaf spot diseases and staking on yield and yield attributes of winded bean, Psophocarpus tetragonolobus (L. Dc.). Journal of Applied

Chemistry and Agricultural Research 7(1), 42-47.

Booker HM, Pathmanathan U. 2007. Identification of resistance to Cercospora leaf spot of cowpea. European Journal of Plant Pathology 118, 401-410.

Fatokun CA 2002. Challenges and opportunities for enhancing sustainable cowpea production. IITA.

Ferry RL, Dukes PD, Cuthbert FP Jr. 1977. Yield loss of southern pea (Vigna unguiculata) caused by Cercospora leaf spot. Plant Disease Reporter 61(9), 741- 743.

Gerrano AS, Adebila PO, Jansen Van Rensburg WS, Luarie SM. 2015. Genetic variability in cowpea (Vigna unguiculata (L.) Walp.) genotypes. South African Journal of Plant and Soil 32(3), 165-174.

Gomes AMG, Nhantumbo N, Ferreira-Pinto M, Massinga R, Ramalho JC, Ribeiro-Barros A. 2019. Breeding elite cowpea (Vigna unguiculata (L.) Walp) varieties for improved food security and income in Africa: Opportunities and challenges. Legume crops-characterization and breeding for improved food security. March 15, 2019.

Idahosa DO, Alika JE, Omoregie AU. 2010. Genetic variability, heritability and expected genetic advance as indices for yield and yield components selection in cowpea (Vigna unguculata (L) Walp). Academia Arena 2(5), 22-26.

ICRISAT. 2012. “Cowpea farming in Ghana,” Bulletin of Tropical Legumes, 2012,

IITA. 2000. Crops and Farming Systems. Accessed May 25, 2021.

Khalid II, Elhardallou SB. 2016. Factors that compromise the nutritional value of cowpea fluor and its protein isolates. Food and Nutrition Sciences 7, 112-121.

Kirse A, Karklina D. 2015. Integrated evaluation of cowpea (Vigna unguiculata (L.) Walp.) and maple pea (Pisum sativum var. arvense L.) spreads. Agronomy Research 13(4), 956-968.

Langyintuo AS, Lowenberg-DeBoer J, Faye M, Lambert D, Ibro G, Moussa B, Kergna A, Kushwaha S, Musa S, Ntoukam G. 2003. Cowpea supply and demand in West and Central Africa. Field Crops Research 82, 215-231.

Memon SM, Ansari BA, Balouch MZ. 2005. Estimating of genetic variation for agro-economic trails in spring wheat (Triticum aestivum L.). Indian Journal of Plant Science 4, 171-175.

MOFA-SRID. 2011. Accessed April 2021.

MOFA 2013. Agriculture in Ghana: Facts and Figures 2013, Accra-Ghana. Accessed April 2021.


Nahunnaro H, Ayuba K. 2012. Response of some cowpea genotypes to Cercospora leaf spot (Cercospora canescens) disease in Yola and Mubi, Nigeria. International Journal of Agriculture: Research and Review 2, 904-912.

Özay E, Öztaş H. 2003. Secondary students’ interpretations of photosynthesis and plant nutrition. Journal of Biological Education 37(2), 68-70.

Park HG. 1987. Procedures for mungbean trials. International Cooperator’s Guide. Publication of AVRDC, Taiwan.

Plantwise 2011. Leaf spot of cowpea

(Mycosphaerella cruenta). Available online from; 234. Accessed April, 2021

Schneider RW, Williams RJ, Sinclair JB. 1976. Cercospora leaf spot of cowpea: models for estimating yield loss. Phytopathology 66, 384-388.

Sinsiri N, Laohasiriwong S, Jogloy S, Toomsan B, Saksirirut W. 2006.  A varietal screening of cowpea cultivars (Vigna unguiculata) for a high resistance to Pheudocercospora cruenta (Sacc.) Deighton in Northern Thailand. Pakistan Journal of Biological Sciences 9(4), 641-648.

Tengey TK, Owusu EY, Kusi F, Mahama, GY, Awuku, FJ, Sei EK, Amoako OA, Haruna M. 2021. Grain yield and stability of selected early and medium duration cowpea in Ghana. African Journal of Plant Science 15(3), 71-81.

Frederick Kankam, Theophilus Kwabla Tengey, Isaac Boatey Akpatsu.
Field evaluation of some cowpea genotypes for resistance to the Cercospora leaf spot disease in Northern Ghana.
Int. J. Biosci. 19(2),72-81, August 2021.
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