Isolate characteristic and epidemic components of Leptosphaerulina leaf spots on alfalfa and white cloverOLANYA, O. M; CAMPBELL, C. L.Phytopathology. 1990, Vol 80, Num 12, pp 1278-1283, issn 0031-949XArticle

Density and spatial pattern of propagules of Macrophomina phaseolina in corn rhizospheresOLANYA, O. M; CAMPBELL, C. L.Phytopathology. 1989, Vol 79, Num 10, pp 1119-1123, issn 0031-949XArticle

Analysis of epidemics of Leptosphaerulina leaf spots of alfalfa and white clover in time and spaceOLANYA, O. M; CAMPBELL, C. L.Phytopathology. 1990, Vol 80, Num 12, pp 1341-1347, issn 0031-949XArticle

Effects of tillage on the spatial pattern of microsclerotia of Macrophomina phaseolinaOLANYA, O. M; CAMPBELL, C. L.Phytopathology. 1988, Vol 78, Num 2, pp 217-221, issn 0031-949XArticle

Host-range and survival studies of Peronosclerospora sorghi at two locations in NigeriaOLANYA, O. M; FAJEMISIN, J. M.International journal of pest management (Print). 1993, Vol 39, Num 1, pp 13-18, issn 0967-0874Article

Incidence and geographical distribution of downy mildew on maize caused by Peronosclerospora sorghi in NigeriaOLANYA, O. M; FAJEMISIN, J. M; OYEKAN, P et al.International journal of pest management (Print). 1993, Vol 39, Num 1, pp 28-34, issn 0967-0874Article

Effects of pest and soil management systems on potato diseasesOLANYA, O. M; LAMBERT, D. H; PORTER, G. A et al.American journal of potato research. 2006, Vol 83, Num 5, pp 397-408, issn 1099-209X, 12 p.Article

Reaction of certain solanaceous and asteraceous plant species to inoculation with Phytophthora infestans in CameroonFONTEM, D. A; OLANYA, O. M; NJUALEM, B. F et al.Journal of phytopathology (1986). 2004, Vol 152, Num 6, pp 331-336, issn 0931-1785, 6 p.Article

Populations of Aspergillus flavus in the Iowa cornfield ecosystem in years not favorable for aflatoxin contamination of corn grainMCGEE, D. C; OLANYA, O. M; HOYOS, G. M et al.Plant disease. 1996, Vol 80, Num 7, pp 742-746, issn 0191-2917Article

Recent developments in managing tuber blight of potato (Solanum tuberosum) caused by Phytophthora infestansOLANYA, O. M; OJIAMBO, P. S; NYANKANGA, R. O et al.Canadian journal of plant pathology. 2009, Vol 31, Num 3, pp 280-289, issn 0706-0661, 10 p.Article

Assessment of the impact of mid-season late blight infection on disease development and yield of potato variety Russet Norkotah in MaineOLANYA, O. M; LAMBERT, D. H; JOHNSON, S. B et al.International journal of pest management (Print). 2002, Vol 48, Num 2, pp 139-146, issn 0967-0874Article

Soil water in relation to irrigation, water uptake and potato yield in a humid climateSTARR, G. C; ROWLAND, D; GRIFFIN, T. S et al.Agricultural water management. 2008, Vol 95, Num 3, pp 292-300, issn 0378-3774, 9 p.Article

Waste corn as a point source of inoculum for Aspergillus flavus in the corn agroecosystemOLANYA, O. M; HOYOS, G. M; TIFFANY, L. H et al.Plant disease. 1997, Vol 81, Num 6, pp 576-581, issn 0191-2917Article

Relationship between late blight [Phytophthora infestans] of potato on tuber and foliage, as affected by the disease severity on foliage, cultivar resistance, and atmospheric and soil variablesNYANKANGA, R. O; WIEN, H. C; OLANYA, O. M et al.Canadian journal of plant pathology. 2007, Vol 29, Num 4, pp 372-387, issn 0706-0661, 16 p.Article

Farmers' cultural practices and management of potato late blight in Kenya Highlands: implications for development of integrated disease managementNYANKANGA, R. O; WIEN, H. C; OLANYA, O. M et al.International journal of pest management (Print). 2004, Vol 50, Num 2, pp 135-144, issn 0967-0874, 10 p.Article

Evaluation of potato varieties and selections for resistance to bacterial soft rotREEVES, A. F; OLANYA, O. M; HUNTER, J. H et al.American journal of potato research. 1999, Vol 76, Num 4, pp 183-189, issn 1099-209XArticle