Gwary, D.M. and Nahunnaro, H. (2007) Combined Effects of Pest-Disease Complex as Influenced by Rainfall, Relative Humidity and Temperature on the Cotton Production in the Northern Guinea Savanna of Northeastern Nigeria. Journal of Arid Agriculture, 17, 27-35.
 Poswal, M.A.T. and Erinle, I.D. (1983) A Survey of Extent of Infection and Contamination of Cotton Seed Market and Commercial Gin Samples by Xanthomonas malvacearum (E.F. Smith) Dawson in Northern States of Nigeria. Crop Protection, 2, 473-481. http://dx.doi.org/10.1016/0261-2194(83)90068-6
 Darlington, M. (2001) Improving Host Plant Resistance without Sacrificing Yield and Quality in Zimbabwe Cotton. Zimbabwe Cotton Research Report, The Cotton Research Institute (CRI), Ministry of Agriculture.
 Nahunnaro, H., Gwary, D.M. and Okunsanya, B.O. (2007) An Assessment of the Reaction of Ten Cotton Genotypes to Anguler Leaf Spot Disease under Field and Controlled Conditions in Northern Guinea Savanna of Northeast Nigeria. Journal of Arid Agriculture, 1, 37-44.
 Adebayo, A.A. (1999) Climate I: Sunshine, Temperature, Evaporation and Relative Humidity. In: Adebayo, A.A. and Tukur, A.H., Eds., Adamawa State in Maps, Paraclete Publishers and Department of Geography, Federal University of Technology, Yola, 3-5.
 Poswal, M.A.T. (1989) Variation in Pathogenesity among Nigerian isolates Of Xanthomonas compestris pv. malvacearum (Smith) Dye. Proceeding of the 7th International Conference of Plant Pathogenic Bacteria, Hungary.
 Sinsiri, N., Laohasiriwong, S., Jogloy, S., Toomsan, B. and 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, 641-648. http://dx.doi.org/10.3923/pjbs.2006.641.648
 Mohammed, A.K., Hakim, A.K., Bashir, M.T. and Abdul, R. (1999) Correlation of Environmental Conditions with Bacterial Blight Disease on Six Commercially Grown Cotton Cultivars in Five Districts of the Punjab. Pakistan Journal of Agricultural Science, 36, 1-2.
 Nahunnaro, H., Ayuba, K. and Tuti, N.Z. (2012) Effects of Environment on the Incidence and Severity of Cercospora Leaf Spot (Cercosporacanescens) of Cowpea in Yola and Mubi, North-Eastern Nigeria. International Journal of Science and Development Studies, 7, 125-235.
 Gwary, D.M., Nahunnaro, H. and Okusanya, B.O. (2009) Assessment of Resurgence of Bacterial Blight and Its Effects on Cotton Yield in Northern Nigeria. Achieves of Phytopathology and Plant Protection, 42, 1001-1009. http://dx.doi.org/10.1080/03235400701544010