Peter Ojiambo

A Systematic Review and Quantitative Synthesis of the Efficacy of Quaternary Ammonium Disinfestants Against Fungal Plant Pathogens

Copes, W. E. E., & Ojiambo, P. S. S. (2023, February 15). PLANT DISEASE, Vol. 2.

Efficacy of peroxygen disinfestants against fungal plant pathogens. A systemic review and meta-analysis

[Review of ]. CROP PROTECTION, 164.

Dataset for transcriptomic profiles associated with development of sexual structures in Aspergillus flavus

Luis, J. M., Carbone, I., Mack, B. M., Lebar, M. D., Cary, J. W., Gilbert, M. K., … Ojiambo, P. S. (2022, June). DATA IN BRIEF, Vol. 42.

Development of sexual structures influences metabolomic and transcriptomic profiles in Aspergillus flavus

FUNGAL BIOLOGY, 126(3), 187–200.

Field Occurrence and Overwintering of Oospores of Pseudoperonospora cubensis in the Southeastern United States

Kikway, I., Keinath, A. P., & Ojiambo, P. S. (2022, August 8). PHYTOPATHOLOGY, Vol. 8.

Genetic association of agronomic traits with partial resistance to gray leaf spot in elite maize germplasm

Nyanapah, J. O., Ayiecho, P. O., Nyabundi, J. O., Otieno, W., & Ojiambo, P. S. (2022, October 9). CROP SCIENCE, Vol. 10.

Impact of frequency of application on the long-term efficacy of the biocontrol product Aflasafe in reducing aflatoxin contamination in maize

FRONTIERS IN MICROBIOLOGY, 13.

Temporal Dynamics and Severity of Cucurbit Downy Mildew Epidemics as Affected by Chemical Control and Cucurbit Host Type

PLANT DISEASE, 106(3), 1009–1019.

"Jumping Jack ": Genomic Microsatellites Underscore the Distinctiveness of Closely Related Pseudoperonospora cubensis and Pseudoperonospora humuli and Provide New Insights Into Their Evolutionary Past

FRONTIERS IN MICROBIOLOGY, 12.

A General Framework for Spatio-Temporal Modeling of Epidemics With Multiple Epicenters: Application to an Aerially Dispersed Plant Pathogen

FRONTIERS IN APPLIED MATHEMATICS AND STATISTICS, 7.

Efficacy of Hypochlorite as a Disinfestant Against Fungal Pathogens in Agricultural and Horticultural Plant Production: A Systematic Review and Meta-Analysis

[Review of ]. PHYTOPATHOLOGY, 111(8), 1369–1379.

Efficacy of Hypochlorite in Disinfesting Nonfungal Plant Pathogens in Agricultural and Horticultural Plant Production: A Meta-Analysis

PLANT DISEASE, 105(12), 4084–4094.

Need for speed: bacterial effector XopJ2 is associated with increased dispersal velocity of Xanthomonas perforans

Sharma, A., Timilsina, S., Abrahamian, P., Minsavage, G. V., Colee, J., Ojiambo, P. S., … Jones, J. B. (2021, June 8). ENVIRONMENTAL MICROBIOLOGY, Vol. 6.

Characterization of morphological changes within stromata during sexual reproduction inAspergillus flavus

MYCOLOGIA, 112(5), 908–920.

Field Characterization of Partial Resistance to Gray Leaf Spot in Elite Maize Germplasm

PHYTOPATHOLOGY, 110(10), 1668–1679.

Biocontrol Strains Differentially Shift the Genetic Structure of Indigenous Soil Populations of Aspergillus flavus

Frontiers in Microbiology, 10.

Spread of Aspergillus flavus and aflatoxin accumulation in postharvested maize treated with biocontrol products

Journal of Stored Products Research, 84, 101519.

Cultural and Genetic Approaches to Manage Aflatoxin Contamination: Recent Insights Provide Opportunities for Improved Control

Phytopathology, 108(9), 1024–1037.

Evaluation of a Model for Predicting the Infection Risk of Squash and Cantaloupe by Pseudoperonospora cubensis

PLANT DISEASE, 102(5), 855–862.

Predicting the risk of cucurbit downy mildew in the eastern United States using an integrated aerobiological model

INTERNATIONAL JOURNAL OF BIOMETEOROLOGY, 62(4), 655–668.

Pseudoperonospora cubensis virulence and pathotype structure in Kazakhstan

PLANT PATHOLOGY, 67(9), 1924–1935.

Resistance to Fluopicolide and Propamocarb and Baseline Sensitivity to Ethaboxam Among Isolates of Pseudoperonospora cubensis From the Eastern United States

Plant Disease, 102(8), 1619–1626.

Septoria nodorum blotch of wheat

Mehra, L., Adhikari, U., Cowger, C., & Ojiambo, P. S. (2018, July). (Vol. 7). Vol. 7.

Septoria nodorum blotch of wheat

Mehra, L., Adhikari, U., Cowger, C., & Ojiambo, P. S. (2018, July). (Vol. 7). Vol. 7.

Septoria nodorum blotch of wheat

Mehra, L., Adhikari, U., Cowger, C., & Ojiambo, P. S. (2018, July). (Vol. 7). Vol. 7.

A Model for Predicting Onset of Stagonospora nodorum Blotch in Winter Wheat Based on Preplanting and Weather Factors

PHYTOPATHOLOGY, 107(6), 635–644.

A model to predict the risk of infection of cucumber by Pseudoperonospora cubensis

Microbial Risk Analysis, 6, 21–30.

CHAPTER 16: Survival Analysis of Time-to-Event Data in Botanical Epidemiology

Ojiambo, P. S., Ngugi, H. K., & Scherm, H. (Eds.). (2017, August 2). Exercises in Plant Disease Epidemiology, Second Edition, pp. 121–127.

Epidemiology: Past, Present, and Future Impacts on Understanding Disease Dynamics and Improving Plant Disease Management-A Summary of Focus Issue Articles.

Phytopathology, 10.

Epidemiology: Past, present, and future impacts on understanding disease dynamics and improving plant disease management-a summary of focus issue articles

Phytopathology, 107(10), 1092–1094.

Focus expansion and stability of the spread parameter estimate of the power law model for dispersal gradients

PEERJ, 5.

Occurrence and Distribution of Mating Types of Pseudoperonospora cubensis in the United States

Phytopathology, 107(3), 313–321.

Resurgence of cucurbit downy mildew in the United States: Insights from comparative genomic analysis of Pseudoperonospora cubensis

Ecology and Evolution, 7(16), 6231–6246.

Revisiting Graduate Student Training to Address Agricultural and Environmental Societal Challenges

Agricultural & Environmental Letters, 2(1), 170019.

Virulence Structure Within Populations of Pseudoperonospora cubensis in the United States

PHYTOPATHOLOGY, 107(6), 777–785.

Environmental distribution and genetic diversity of vegetative compatibility groups determine biocontrol strategies to mitigate aflatoxin contamination of maize by Aspergillus flavus

MICROBIAL BIOTECHNOLOGY, 9(1), 75–88.

Predicting Pre-planting Risk of Stagonospora nodorum blotch in Winter Wheat Using Machine Learning Models

Frontiers in Plant Science, 7.

Using Next-Generation Sequencing to Develop Molecular Diagnostics for Pseudoperonospora cubensis, the Cucurbit Downy Mildew Pathogen

PHYTOPATHOLOGY, 106(10), 1105–1116.

Epidemiology and population biology of Pseudoperonospora cubensis: A model system for management of downy mildews

[Review of ]. Annual review of phytopathology, vol 53, 53, 223–246.

Epidemiology and population biology of Pseudoperonospora cubensis: a model system for management of downy mildews.

Annual Review of Phytopathology, 53(1), 223–246.

Initial Inoculum and Spatial Dispersal of Colletotrichum gloeosporioides, the Causal Agent of Strawberry Anthracnose Crown Rot

PLANT DISEASE, 99(1), 80–86.

Quantifying the Effects of Wheat Residue on Severity of Stagonospora nodorum Blotch and Yield in Winter Wheat

Phytopathology, 105(11), 1417–1426.

Resurgence of Cucurbit Downy Mildew in the United States: A Watershed Event for Research and Extension

PLANT DISEASE, 99(4), 428–441.

Resurgence of Pseudoperonospora cubensis: The Causal Agent of Cucurbit Downy Mildew

PHYTOPATHOLOGY, 105(7), 998–1012.

Field efficacy of a mixture of atoxigenic Aspergillus flavus Link: Fr vegetative compatibility groups in preventing aflatoxin contamination in maize (Zea mays L.)

BIOLOGICAL CONTROL, 72, 62–70.

First Report of Pseudoperonospora cubensis Causing Downy Mildew on Momordica balsamina and M. charantia in North Carolina

Wallace, E., Adams, M., Ivors, K., Ojiambo, P. S., & Quesada-Ocampo, L. M. (2014, September). PLANT DISEASE, Vol. 98, pp. 1279–1279.

Use of Quantitative Traits to Assess Aggressiveness of Phakopsora pachyrhizi Isolates from Nigeria and the United States

PLANT DISEASE, 98(9), 1261–1266.

Effects of Host Plant Resistance and Fungicides on Severity of Cucumber Downy Mildew

HortScience, 48(1), 53–59.

Modeling Spatial Frailties in Survival Analysis of Cucurbit Downy Mildew Epidemics

PHYTOPATHOLOGY, 103(3), 216–227.

Pathogenic variation of Mycosphaerella species infecting banana and plantain in Nigeria

PLANT PATHOLOGY, 62(2), 298–308.

Relationship between disease severity and escape of Pseudoperonospora cubensis sporangia from a cucumber canopy during downy mildew epidemics

PLANT PATHOLOGY, 62(6), 1366–1377.

Interactive Effects of Temperature and Leaf Wetness Duration on Sporangia Germination and Infection of Cucurbit Hosts by Pseudoperonospora cubensis

Plant Disease, 96(3), 345–353.

Novel Necrotrophic Effectors from Stagonospora nodorum and Corresponding Host Sensitivities in Winter Wheat Germplasm in the Southeastern United States

PHYTOPATHOLOGY, 102(5), 498–505.

Optimization of Late Blight and Bacterial Wilt Management in Potato Production Systems in the Highland Tropics of Africa

Pathogenic variation of Mycosphaerella species infecting banana and plantain in Nigeria

Plant Pathology. http://www.scopus.com/inward/record.url?eid=2-s2.0-84863100338&partnerID=MN8TOARS

A Degree-Day Model for the Latent Period of Stagonospora nodorum Blotch in Winter Wheat

PLANT DISEASE, 95(5), 561–567.

A degree-day model for the latent period of Stagonospora nodorum blotch in winter wheat

Plant Disease, 95(5), 561–567. http://www.scopus.com/inward/record.url?eid=2-s2.0-79955396485&partnerID=MN8TOARS

Aspergillus Colonization and Aflatoxin Contamination of Maize and Sesame Kernels in Two Agro-ecological Zones in Senegal

JOURNAL OF PHYTOPATHOLOGY, 159(4), 268–275.

Dynamics of Soybean Rust Epidemics in Sequential Plantings of Soybean Cultivars in Nigeria

PLANT DISEASE, 95(1), 43–50.

Dynamics of soybean rust epidemics in sequential plantings of soybean cultivars in Nigeria

Plant Disease, 95(1), 43–50. http://www.scopus.com/inward/record.url?eid=2-s2.0-79751512238&partnerID=MN8TOARS

Genetic structure and diversity of Phakopsora pachyrhizi isolates from soyabean

PLANT PATHOLOGY, 60(4), 719–729.

Spatiotemporal Spread of Cucurbit Downy Mildew in the Eastern United States

PHYTOPATHOLOGY, 101(4), 451–461.

Validation of tuber blight (Phytophthora infestans) prediction model

CROP PROTECTION, 30(5), 547–553.

A Quantitative Review of Fungicide Efficacy for Managing Downy Mildew in Cucurbits

PHYTOPATHOLOGY, 100(10), 1066–1076.

Efficiency of Adaptive Cluster Sampling for Estimating Plant Disease Incidence

PHYTOPATHOLOGY, 100(7), 663–670.

Quantitative Models for Germination and Infection of Pseudoperonospora cubensis in Response to Temperature and Duration of Leaf Wetness

PHYTOPATHOLOGY, 100(9), 959–967.

Survival of Pseudoperonospora cubensis sporangia exposed to solar radiation

PLANT PATHOLOGY, 59(2), 313–323.

Identification and genetic diversity of Mycosphaerella species on banana and plantain in Nigeria

PLANT PATHOLOGY, 58(3), 536–546.

Pathogenic Variation of Phakopsora pachyrhizi Infecting Soybean in Nigeria

PHYTOPATHOLOGY, 99(4), 353–361.

Permanent Genetic Resources added to Molecular Ecology Resources Database 1 May 2009-31 July 2009

MOLECULAR ECOLOGY RESOURCES, 9(6), 1460–1466.

Permanent genetic resources added to molecular ecology resources database 1 May 2009-31 July 2009

Molecular Ecology Resources, 9(6), 1460–1466. http://www.scopus.com/inward/record.url?eid=2-s2.0-70349920666&partnerID=MN8TOARS

Recent developments in managing tuber blight of potato (Solanum tuberosum) caused by Phytophthora infestans

Canadian Journal of Plant Pathology, 31(3), 280–289. http://www.scopus.com/inward/record.url?eid=2-s2.0-77955871444&partnerID=MN8TOARS

Recent developments in managing tuber blight of potato (Solanum tuberosum) caused by Phytophthora infestans

[Review of ]. CANADIAN JOURNAL OF PLANT PATHOLOGY, 31(3), 280–289.

Resistance of F1 segregating populations derived from crosses between wild banana accessions musa acuminata spp. burmannicoides 'calcutta 4' and m. balbisiana 'montpellier' to black leaf streak disease

Acta Horticulturae, 828, 353–358. http://www.scopus.com/inward/record.url?eid=2-s2.0-70350093172&partnerID=MN8TOARS

Development of tuber blight (Phytophthora infestans) on potato cultivars based on in vitro assays and field evaluations

HORTSCIENCE, 43(5), 1501–1508.

Distribution and toxigenicity of Aspergillus species isolated from maize kernels from three agro-ecological zones in Nigeria

International Journal of Food Microbiology, 122(1-2), 74–84. http://www.scopus.com/inward/record.url?eid=2-s2.0-39149087032&partnerID=MN8TOARS

Evaluation of atoxigenic isolates of Aspergillus flavus as potential biocontrol agents for aflatoxin in maize

FOOD ADDITIVES AND CONTAMINANTS PART A-CHEMISTRY ANALYSIS CONTROL EXPOSURE & RISK ASSESSMENT, 25(10), 1264–1271.

Evaluation of soybean germplasm for resistance to soybean rust (Phakopsora pachyrhizi) in Nigeria

PLANT DISEASE, 92(6), 947–952.

Novel sources of resistance to Fusarium stalk rot of maize in tropical Africa

PLANT DISEASE, 92(5), 772–780.

Comparison of field, greenhouse, and detached-leaf evaluations of soybean germplasm for resistance to Phakopsora pachyrhizi

Plant Disease, 91(9), 1161–1169. http://www.scopus.com/inward/record.url?eid=2-s2.0-34548220000&partnerID=MN8TOARS

Distribution and toxigenicity of Aspergillus species isolated from maize kernels from three agro-ecological zones in Nigeria.

International Journal of Food Microbiology, 2.

Erratum: Evaluation of maize inbred lines for resistance to fusarium ear rot and fumonisin accumulation in grain in tropical Africa (Plant Disease (2007) 91 (3) (279-286))

Plant Disease, 91(5). http://www.scopus.com/inward/record.url?eid=2-s2.0-34247499048&partnerID=MN8TOARS

Evaluation of Maize Inbred Lines for Resistance to Fusarium Ear Rot and Fumonisin Accumulation in Grain in Tropical Africa

Plant Disease, 3(3), 279–286.

First Report of Rust Caused by Phakopsora pachyrhizi on Soybean in Democratic Republic of Congo.

Plant Disease, 9.

First Report of Soybean Rust Caused by Phakopsora pachyrhizi in Ghana.

Plant Disease, 8.

Rapid Screening of Musa Species for Resistance to Black Leaf Streak Using In Vitro Plantlets in Tubes and Detached Leaves

Plant Disease, 3(3), 308–314.

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

Canadian Journal of Plant Pathology, 29(4), 372–387.

Temporal Dynamics of Septoria Leaf Spot of Blueberry and its Relationship to Defoliation and Yield

Temporal Dynamics of Septoria Leaf Spot of Blueberry and its Relationship to Defoliation and Yield

Plant Health Progress, 8(1), 68.

Biological and application-oriented factors influencing plant disease suppression by biological control: a meta-analytical review.

Phytopathology, 11(11), 1168–1174.

Dynamics of development of late blight [Phytophthora infestans] in potato, and comparative resistance of cultivars in the highland tropics.

Canadian Journal of Plant Pathology. Revue Canadienne De Phytopathologie, 1.

Optimum Sample Size for Determining Disease Severity and Defoliation Associated with Septoria Leaf Spot of Blueberry

Plant Disease, 90(9), 1209–1213.

Septoria Leaf Spot Reduces Flower Bud Set and Yield Potential of Rabbiteye and Southern Highbush Blueberries

Plant Disease, 90(1), 51–57.

Trends in Theoretical Plant Epidemiology

European Journal of Plant Pathology., 5(1), 61–73.

Survival Analysis of Time to Abscission of Blueberry Leaves Affected by Septoria Leaf Spot

Phytopathology, 95(1), 108–113.

Temporal Progress of Septoria Leaf Spot on Rabbiteye Blueberry (Vaccinium ashei)

Plant Disease, 89(10), 1090–1096.

Applications of Survival Analysis in Botanical Epidemiology

Phytopathology, 94(9), 1022–1026.

Farmers' cultural practices and management of potato late blight in Kenya highlands: Implications for development of integrated disease management

International Journal of Pest Management, 50(2), 135–144. http://www.scopus.com/inward/record.url?eid=2-s2.0-2542427836&partnerID=MN8TOARS

Field transmission efficiency of Alternaria sesami in sesame from infected seed

Crop Protection, 22(9), 1107–1115.

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

EUPHYTICA, 111(3), 211–218.

Host adaptation to potato and tomato within the US-1 clonal lineage of Phytophthora infestans in Uganda and Kenya.

Plant Pathology., 10(5), 531–539.

Infection of sesame seed by Alternaria sesami (Kawamura) Mohanty and Behera and severity of Alternaria leaf spot in Kenya

International Journal of Pest Management, 46(2), 121–124. http://www.scopus.com/inward/record.url?eid=2-s2.0-0034035753&partnerID=MN8TOARS

Tolerance level of Alternaria sesami and the effect of seed infection on yield of sesame in Kenya.

Experimental Agriculture., 7(3), 335–342.

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.)

Journal of Phytopathology, 147(7-8), 403–407. http://www.scopus.com/inward/record.url?eid=2-s2.0-0032848347&partnerID=MN8TOARS

Yield stability analysis of promising potato clones in mid and high altitude regions of Kenya

African Crop Science Journal, 6(2).

Trends in theoretical plant epidemiology

Scherm, H., Ngugi, H. K., & Ojiambo, P. S. Plant Disease Epidemiology: Facing Challenges of the 21st Century, pp. 61–73.