Peter Sande Ojiambo
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Publications of Peter Sande Ojiambo (59 listed):
Plant Disease (2022) 106, 1009-1019
Isaack Kikway, Anthony P. Keinath and Peter S. Ojiambo (2022)
Temporal dynamics and severity of cucurbit downy mildew epidemics as affected by chemical control and cucurbit host type
Plant Disease (2021) 105 (12 - 2046)
Warren E. Copes and Peter S. Ojiambo (2021)
Efficacy of hypochlorite in disinfesting nonfungal plant pathogens in agricultural and horticultural plant production: A meta-analysis
Phytopathology (2020) 110, 1668-1679
James O. Nyanapah, Patrick O. Ayiecho, Julius O. Nyabundi, Washington Otieno and Peter S. Ojiambo (2020)
Field characterization of partial resistance to gray leaf spot in elite maize germplasm
Plant Pathology (2018) 67, 1924-1935
A.S. Rsaliyev, N.T. Amirkhanova, N.M. Rametov, Z.U. Pahratdinova, P.S. Ojiambo and A. Lebeda (2018)
Pseudoperonospora cubensis virulence and pathotype structure in Kazakhstan
Plant Disease (2018) 102, 855-862
Katie N. Neufeld, Anthony P. Keinath and Peter S. Ojiambo (2018)
Evaluation of a model for predicting the infection risk of squash and cantaloupe by Pseudoperonospora cubensis
Phytopathology (2018) 108, 1024-1037
Peter S. Ojiambo, Paola Battilani, Jeffrey W. Cary, Burt H. Blum and Ignazio Carbone (2018)
Cultural and genetic approaches to manage aflatoxin contamination: Recent insights provide opportunities for improved control
Plant Disease (2018) 102, 1619-1626
A. Thomas, K.N. Neufeld, K.W. Seebold, C.A. Braun, M.R. Schwarz and P.S. Ojiambo (2018)
Resistance to fluopicolide and propamocarb and baseline sensitivity to ethaboxam among isolates of Pseudoperonospora cubensis from the eastern United States
Phytopathology (2017) 107, 635-644
L.K. Mehra, C. Cowger and P.S. Ojiambo (2017)
A model for predicting onset of Stagonospora nodorum blotch in winter wheat based on preplanting and weather factors
Phytopathology (2017) 107, 777-785
Anna Thomas, Ignazio Carbone, Ales Lebeda and Peter S. Ojiambo (2017)
Virulence structure within populations of Pseudoperonospora cubensis in the United States
Phytopathology (2017) 107, 313-321
Anna Thomas, Ignazio Carbone, Yigal Cohen and Peter S. Ojiambo (2017)
Occurrence and distribution of mating types of Pseudoperonospora cubensis in the United States
Ecology and Evolution (2017) 7, 6231-6246
Anna Thomas, Ignazio Carbone, Kisurb Choe, Lina M. Quesada-Ocampo and Peter S. Ojiambo (2017)
Resurgence of cucurbit downy mildew in the United States: Insights from comparative genomic analysis of Pseudoperonospora cubensis
Phytopathology (2016) 106, 1105-1116
S. Withers, E. Gongora-Castillo, D. Gent, A. Thomas, P.S. Ojiambo and L.M. Quesada-Ocampo (2016)
Using next-generation sequencing to develop molecular diagnostics for Pseudoperonospora cubensis, the cucurbit downy mildew pathogen
Plant Disease (2015) 99, 428-441
Gerald J. Holmes, Peter S. Ojiambo, Mary K. Hausbeck, Lina Quesada-Ocampo and Anthony P. Keinath (2015)
Resurgence of cucurbit downy mildew in the United States: A watershed event for research and extension
Phytopathology (2015) 105, 998-1012
Yigal Cohen, Kyle M. Van den Langenberg, Todd C. Wehner, Peter S. Ojiambo, Mary Hausbeck, Lina M. Quesada-Ocampo, Ales Lebeda, Helge Sierotzki and Ulrich Gisi (2015)
Resurgence of Pseudoperonospora cubensis: The causal agent of cucurbit downy mildew
Annual Review of Phytopathology (2015) 53, 223-246
Peter S. Ojiambo, David H. Gent, Lina M. Quesada-Ocampo, Mary K. Hausbeck and Gerald J. Holmes (2015)
Epidemiology and population biology of Pseudoperonospora cubensis: A model system for management of downy mildews
Phytopathology (2015) 105, 1417-1426
L.K. Mehra, C. Cowger, R. Weisz and P.S. Ojiambo (2015)
Quantifying the effects of wheat residue on severity of Stagonospora nodorum blotch and yield in winter wheat
Plant Disease (2015) 99, 80-86
Mahfuzur Rahman, Peter Ojiambo and Frank Louws (2015)
Initial inoculum and spatial dispersal of Colletotrichum gloeosporioides, the causal agent of strawberry anthracnose crown rot
Plant Disease (2014) 98, 1261-1266
M. Twizeyimana, P.S. Ojiambo, R. Bandyopadhyay and G.L. Hartman (2014)
Use of quantitative traits to assess aggressiveness of Phakopsora pachyrhizi isolates from Nigeria and the United States
Plant Disease (2014) 98, p. 1279 (Wallace et al.)
E. Wallace, M. Adams, K. Ivors, P.S. Ojiambo and L.M. Quesada-Ocampo (2014)
First report of Pseudoperonospora cubensis causing downy mildew on Momordica balsamina and M. charantia in North Carolina
Plant Pathology (2013) 62, 1366-1377
K.N. Neufeld, S.A. Isard and P.S. Ojiambo (2013)
Relationship between disease severity and escape of Pseudoperonospora cubensis sporangia from a cucumber canopy during downy mildew epidemics
HortScience (2013) 48, 53-59
Adam D. Call, Todd C. Wehner, Gerald J. Holmes and Peter S. Ojiambo (2013)
Effects of host plant resistance and fungicides on severity of cucumber downy mildew
Phytopathology (2013) 103, 216-227
P.S. Ojiambo and E.L. Kang (2013)
Modeling spatial frailties in survival analysis of cucurbit downy mildew epidemics
Plant Pathology (2013) 62, 298-308
M. Zandjanakou-Tachin, P.S. Ojiambo, I. Vroh-Bi, A. Tenkouano, Y.M. Gumedzoe and R. Bandyopadhyay (2013)
Pathogenic variation of Mycosphaerella species infecting banana and plantain in Nigeria
Phytopathology (2012) 102, 498-505
A.D. Crook, T.L. Friesen, Z.H. Liu, P.S. Ojiambo and C. Cowger (2012)
Novel necrotrophic effectors from Stagonospora nodorum and corresponding host sensitivities in winter wheat germplasm in the southeastern United States
Plant Disease (2012) 96, 345-353
K.N. Neufeld and P.S. Ojiambo (2012)
Interactive effects of temperature and leaf wetness duration on sporangia germination and infection of cucurbit hosts by Pseudoperonospora cubensis
Phytopathology (2011) 101, 451-461
P.S. Ojiambo and G.J. Holmes (2011)
Spatiotemporal spread of cucurbit downy mildew in the eastern United States
Plant Disease (2011) 95, 43-50
M. Twizeyimana, P.S. Ojiambo, G.L. Hartman and R. Bandyopadhyay (2011)
Dynamics of soybean rust epidemics in sequential plantings of soybean cultivars in Nigeria
Plant Pathology (2011) 60, 719-729
M. Twizeyimana, P.S. Ojiambo, J.S. Haudenshield, G. Caetano-Anollés, K.F. Pedley, R. Bandyopadhyay and G.L. Hartman (2011)
Genetic structure and diversity of Phakopsora pachyrhizi isolates from soyabean
Journal of Phytopathology (2011) 159, 268-275
Papa Madiallacké Diedhiou, Ranajit Bandyopadhyay, Joseph Atehnkeng and Peter S. Ojiambo (2011)
Aspergillus colonization and aflatoxin contamination of maize and sesame kernels in two agro-ecological zones in Senegal
Plant Disease (2011) 95, 561-567
A.D. Zearfoss, C. Cowger and P.S. Ojiambo (2011)
A degree-day model for the latent period of Stagonospora nodorum blotch in winter wheat
Phytopathology (2010) 100, 959-967
L.F. Arauz, K.N. Neufeld, A.L. Lloyd and P.S. Ojiambo (2010)
Quantitative models for germination and infection of Pseudoperonospora cubensis in response to temperature and duration of leaf wetness
Plant Pathology (2010) 59, 313-323
L. Kanetis, G.J. Holmes and P.S. Ojiambo (2010)
Survival of Pseudoperonospora cubensis sporangia exposed to solar radiation
Phytopathology (2009) 99, 353-361
M. Twizeyimana, P.S. Ojiambo, K. Sonder, T. Ikotun, G.L. Hartman and R. Bandyopadhyay (2009)
Pathogenic variation of Phakopsora pachyrhizi infecting soybean in Nigeria
Plant Pathology (2009) 58, 536-546
M. Zandjanakou-Tachin, I. Vroh-Bi, P.S. Ojiambo, A. Tenkouano, Y.M. Gumedzoe and R. Bandyopadhyay (2009)
Identification and genetic diversity of Mycosphaerella species on banana and plantain in Nigeria
Canadian Journal of Plant Pathology (2009) 31, 280-289
O.M. Olanya, P.S. Ojiambo, R.O. Nyankanga, C.W. Honeycutt and W.W. Kirk (2009)
Recent developments in managing tuber blight of potato (Solanum tuberosum) caused by Phytophthora infestans
Plant Disease (2008) 92, 772-780
C.G. Afolabi, P.S. Ojiambo, E.J.A. Ekpo, A. Menkir and R. Bandyopadhyay (2008)
Novel sources of resistance to Fusarium stalk rot of maize in tropical Africa
HortScience (2008) 43, 1501-1508
Richard O. Nyankanga, Ocen Modesto Olanya, Hans C. Wien, Ramzy El-Bedewy, John Karinga and Peter S. Ojiambo (2008)
Development of tuber blight (Phytophthora infestans) on potato cultivars based on in vitro assays and field evaluations
Plant Disease (2008) 92, 947-952
M. Twizeyimana, P.S. Ojiambo, T. Ikotun, J.L. Ladipo, G.L. Hartman and R. Bandyopadhyay (2008)
Evaluation of soybean germplasm for resistance to soybean rust (Phakopsora pachyrhizi) in Nigeria
Plant Disease (2007) 91, 1161-1169
M. Twizeyimana, P.S. Ojiambo, T. Ikotun, C. Paul, G.L. Hartman and R. Bandyopadhyay (2007)
Comparison of field, greenhouse, and detached-leaf evaluations of soybean germplasm for resistance to Phakopsora pachyrhizi
Plant Disease (2007) 91, 279-286
C.G. Afolabi, P.S. Ojiambo, E.J.A. Ekpo, A. Menkir and R. Bandyopadhyay (2007)
Evaluation of maize inbred lines for resistance to Fusarium ear rot and fumonisin accumulation in grain in tropical Africa
Canadian Journal of Plant Pathology (2007) 29, 372-387
R.O. Nyankanga, H.C. Wien, O.M. Olanya and P.S. Ojiambo (2007)
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 variables
Plant Disease (2007) 91, p. 1204 (Ojiambo et al.)
P.S. Ojiambo, R. Bandyopadhyay, M. Twizeyimana, A. Lema, R.D. Frederick, K.F. Pedley, C.L. Stone and G.L. Hartman (2007)
First report of rust caused by Phakopsora pachyrhizi on soybean in Democratic Republic of Congo
Plant Disease (2007) 91, p. 1057 (Bandyopadhyay et al.)
R. Bandyopadhyay, P.S. Ojiambo, M. Twizeyimana, B. Asafo-Adjei, R.D. Frederick, K.F. Pedley, C.L. Stone and G.L. Hartman (2007)
First report of soybean rust caused by Phakopsora pachyrhizi in Ghana
Plant Disease (2007) 91, 308-314
M. Twizeyimana, P.S. Ojiambo, A. Tenkouano, T. Ikotun and R. Bandyopadhyay (2007)
Rapid screening of Musa species for resistance to black leaf streak using in vitro plantlets in tubes and detached leaves
Plant Disease (2006) 90, 51-57
P.S. Ojiambo, H. Scherm and P.M. Brannen (2006)
Septoria leaf spot reduces flower bud set and yield potential of rabbiteye and southern highbush blueberries
Plant Disease (2006) 90, 1209-1213
P.S. Ojiambo and H. Scherm (2006)
Optimum sample size for determining disease severity and defoliation associated with septoria leaf spot of blueberry
Canadian Journal of Plant Pathology (2006) 28, 84-94
O.M. Olanya, P.S. Ojiambo and R.O. Nyankanga (2006)
Dynamics of development of late blight [Phytophthora infestans] in potato, and comparative resistance of cultivars in the highland tropics
Phytopathology (2006) 96, 1168-1174
P.S. Ojiambo and H. Scherm (2006)
Biological and application-oriented factors influencing plant disease suppression by biological control: A meta-analytical review
Phytopathology (2005) 95, 108-113
P.S. Ojiambo and H. Scherm (2005)
Survival analysis of time to abscission of blueberry leaves affected by Septoria leaf spot
Plant Disease (2005) 89, 1090-1096
P.S. Ojiambo and H. Scherm (2005)
Temporal progress of Septoria leaf spot on rabbiteye blueberry (Vaccinium ashei)
Phytopathology (2004) 94, 1022-1026
H. Scherm and P.S. Ojiambo (2004)
Applications of survival analysis in botanical epidemiology
African Crop Science Journal (2001) 9, 214-224
R. El-Bedewy, O.M. Olanya, P.T. Ewell, C. Lungíaho, P.S. Ojiambo and J. Karinga (2001)
Evaluation of potato germplasm (populations A and B) for resistance to late blight in Kenya
African Crop Science Journal (2001) 9, 225-233
P.S. Ojiambo, S. Namanda, O.M. Olanya, R. El-Bedewy, J.J. Hakiza, E. Adipala and G. Forbes (2001)
Impact of fungicide application and late blight development on potato growth parameters and yield in the tropical highlands of Kenya and Uganda
African Crop Science Journal (2001) 9, 185-193
O.M. Olanya, E. Adipala, J.J. Hakiza, J.C. Kedera, P. Ojiambo, J.M. Mukalazi, Forbes G. and R. Nelson (2001)
Epidemiology and population dynamics of Phytophthora infestans in sub-Saharan Africa: progress and constraints
Plant Pathology (2000) 49, 531-539
M.E. Vega-Sánchez, L.J. Erselius, A.M. Rodriguez, O. Bastidas, H.R. Hohl, P.S. Ojiambo, J. Mukalazi, T. Vermeulen, W.E. Fry and G.A. Forbes (2000)
Host adaptation to potato and tomato within the US-1 clonal lineage of Phytophthora infestans in Uganda and Kenya
Euphytica (2000) 111, 211-218
P.S. Ojiambo, J.O. Nyanapah, C. Lung'aho, J.K. Karinga and H.M. Kidanemariam (2000)
Comparing different epidemiological models in field evaluations of selected genotypes from Solanum tuberosum CIP population A for resistance to Phytophthora infestans (Mont.) De Bary in Kenya
Experimental Agriculture (2000) 36, 335-342
P.S. Ojiambo, P.O. Ayiecho, R.D. Narla and R.K. Mibey (2000)
Tolerance level of Alternaria sesami and the effect of seed infection on yield of sesame in Kenya
International Journal of Pest Management (2000) 46, 121-124
P.S. Ojiambo, R.D. Narla, P.O. Ayiecho and R.K. Mibey (2000)
Infection of sesame seed by Alternaria sesami (Kawamura) Mohanty and Behera and severity of Alternaria leaf spot in Kenya
Journal of Phytopathology - Phytopathologische Zeitschrift (1999) 147, 403-407
P.S. Ojiambo, P.O. Ayiecho and J.O. Nyabundi (1999)
Severity of Alternaria leaf spot and seed infection by Alternaria sesami (Kawamura) Mohanty and Behera, as affected by plant age of sesame (Sesamum indicum L.)
