Yahaya S .M, Saratu,B. Amina,L.A, Sadiya, A.B, Maimuna, M, D, Tasiu,A.M, Ibrahim,A .M, Muasa,M.J

Study was carried out to determine the fungal pathogens responsible for post-harvest losses of potato (Solanum tuberosum) on sale at Yankaba market. The investigation period lasted for five month between September, 2015 to January, 2016. Potato samples were collected and analyzed for the presence of fungal species using standard methods. Fungal infection at Yankaba markets were found mostly to be due to Phytophthora infestant 20 (33.3%}, Alternaria solani 15(25%), Aspergillus niger 6(10%), Rhizopus stolonifer 9(1.58%), and Mucor spp 10 (16.7%). Although more colonies were recorded on Monday 28(46.7%) than Thursday exposure with 32 (53.3%) but the differences was not statistically significant (P>0.05) between the two sampling dates. This showed that date of sampling has no effect on the isolation of fungal colonies. However, the results of this study showed that fungal pathogens play a significant role in post-harvest loss of the potato at Yankaba market

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