Works (109)

Updated: January 26th, 2024 04:39

2023 article

A Systematic Review and Quantitative Synthesis of the Efficacy of Quaternary Ammonium Compounds in Disinfesting Nonfungal Plant Pathogens

Copes, W. E., & Ojiambo, P. S. (2023, March 8). PLANT DISEASE, Vol. 3.

By: W. Copes* & P. Ojiambo n

co-author countries: United States of America 🇺🇸
author keywords: bacteria; disinfectant; oomycete; plant pathogen; quaternary ammonium compounds (QACs); quats; sanitizer; viruses and viroids
Sources: Web Of Science, ORCID
Added: November 27, 2023

2023 article

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.

By: W. Copes* & P. Ojiambo n

co-author countries: United States of America 🇺🇸
author keywords: disinfectant; fungi; plant pathogen; QAC; quats; sanitizer
MeSH headings : Ammonium Compounds; Quaternary Ammonium Compounds / pharmacology; Wood; Agriculture
Sources: Web Of Science, ORCID
Added: April 4, 2023

2023 article

Effects of Host and Weather Factors on the Growth Rate of Septoria nodorum Blotch Lesions on Winter Wheat

Adhikari, U., Brown, J., Ojiambo, P. S., & Cowger, C. (2023, May 5). PHYTOPATHOLOGY, Vol. 5.

By: U. Adhikari n, J. Brown*, P. Ojiambo n & C. Cowger n

co-author countries: United Kingdom of Great Britain and Northern Ireland 🇬🇧 United States of America 🇺🇸
author keywords: disease resistance; lesion growth rate; lesion size; Parastagonospora nodorum; partial resistance; Septoria nodorum blotch
Sources: Web Of Science, ORCID
Added: November 8, 2023

2023 review

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

[Review of ]. CROP PROTECTION, 164.

By: W. Copes* & P. Ojiambo n

co-author countries: United States of America 🇺🇸
author keywords: Hydrogen peroxide; Hydrogen dioxide; Peracetic acid; Peroxyacetic acid; Disinfectant; Sanitizer
Sources: Web Of Science, ORCID
Added: January 9, 2023

2023 article

Within-Season Shift in Fungicide Sensitivity Profiles of Pseudoperonospora cubensis Populations in Response to Chemical Control

Kikway, I., Keinath, A. P., & Ojiambo, P. S. (2023, April 28). PLANT DISEASE, Vol. 4.

By: I. Kikway n, A. Keinath* & P. Ojiambo n

co-author countries: United States of America 🇺🇸
author keywords: chemical; cucurbits; disease management; downy mildew; fungicide sensitivity; oomycetes; resistance selection; vegetables
MeSH headings : Fungicides, Industrial / pharmacology; Seasons; Plant Diseases / prevention & control; Oomycetes
Sources: Web Of Science, ORCID
Added: May 30, 2023

2022 article

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.

By: J. Luis n, I. Carbone n, B. Mack*, M. Lebar*, J. Cary*, M. Gilbert*, D. Bhatnagar*, C. Wientjes* ...

co-author countries: United States of America 🇺🇸
author keywords: Fertility; Sclerotia; Sexual development; Transcriptional analysis
Sources: Web Of Science, ORCID
Added: April 25, 2022

2022 journal article

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

FUNGAL BIOLOGY, 126(3), 187–200.

By: J. Luis n, I. Carbone n, B. Mack*, M. Lebar*, J. Cary*, M. Gilbert*, D. Bhatnagar*, C. Wientjes* ...

co-author countries: United States of America 🇺🇸
author keywords: Fertility; Sclerotia; Secondary metabolites; Sexual development; Transcriptional analysis
MeSH headings : Aflatoxins / metabolism; Aspergillus flavus; Gene Expression Profiling; Metabolomics; Reproduction / genetics; Transcriptome
Sources: Web Of Science, ORCID
Added: March 14, 2022

2022 article

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.

By: I. Kikway n, A. Keinath* & P. Ojiambo n

co-author countries: United States of America 🇺🇸
author keywords: cucurbits; dormancy; ecology; germination; oomycetes; oospore formation; oospore viability; pathogen survival
MeSH headings : Cucumis melo; Cucumis sativus; North Carolina; Oomycetes; Peronospora; Plant Diseases; Soil; United States
Sources: Web Of Science, ORCID
Added: August 22, 2022

2022 article

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.

By: J. Nyanapah*, P. Ayiecho*, J. Nyabundi*, W. Otieno* & P. Ojiambo n

co-author countries: Kenya 🇰🇪 United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: October 24, 2022

2022 journal article

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.

By: J. Atehnkeng*, P. Ojiambo n, A. Ortega-Beltran*, J. Augusto*, P. Cotty* & R. Bandyopadhyay*

co-author countries: China 🇨🇳 Nigeria 🇳🇬 United States of America 🇺🇸
author keywords: maize; aflatoxins; atoxigenic isolates; biocontrol; carry-over
Sources: Web Of Science, ORCID
Added: January 3, 2023

2022 journal article

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

PLANT DISEASE, 106(3), 1009–1019.

By: I. Kikway n, A. Keinath* & P. Ojiambo n

co-author countries: United States of America 🇺🇸
author keywords: cucumber; disease progress; epidemiology; fungicide; oomycete; summer squash
MeSH headings : Cucurbitaceae; Epidemics; Oomycetes; Peronospora; Plant Diseases / prevention & control
Sources: Web Of Science, ORCID
Added: July 26, 2022

2021 journal article

"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.

By: M. Nowicki*, D. Hadziabdic*, R. Trigiano*, S. Boggess*, L. Kanetis*, P. Wadl*, P. Ojiambo n, M. Cubeta n ...

co-author countries: Cyprus 🇨🇾 Germany 🇩🇪 United States of America 🇺🇸
author keywords: oomycete; obligate pathogens; downy mildew; speciation; evolution; genotyping; host specificity
Sources: Web Of Science, ORCID
Added: August 9, 2021

2021 journal article

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.

By: A. Ojwang' n, T. Ruiz*, S. Bhattacharyya*, S. Chatterjee*, P. Ojiambo n & D. Gent*

co-author countries: United States of America 🇺🇸
author keywords: long-distance dispersal; anisotrophy; spatio-temporal models; inoculum source; cucurbit downy mildew
Sources: Web Of Science, ORCID
Added: December 13, 2021

2021 review

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.

By: W. Copes* & P. Ojiambo n

co-author countries: United States of America 🇺🇸
author keywords: analytical and theoretical plant pathology; bleach; disinfestation; meta-regression; systematic synthesis
MeSH headings : Fungi; Hypochlorous Acid; Plant Diseases
Sources: Web Of Science, ORCID
Added: November 29, 2021

2021 journal article

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

PLANT DISEASE, 105(12), 4084–4094.

By: W. Copes* & P. Ojiambo n

co-author countries: United States of America 🇺🇸
author keywords: bacteria; bleach; disease management; disinfestation; field crops; metaregression; oomycetes; ornamentals; prokaryotes; systematic synthesis; trees; tropical plants; vegetables; viruses and viroids
MeSH headings : Hypochlorous Acid
Sources: Web Of Science, ORCID
Added: February 21, 2022

2021 article

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.

By: A. Sharma*, S. Timilsina*, P. Abrahamian*, G. Minsavage*, J. Colee*, P. Ojiambo n, E. Goss*, G. Vallad*, J. Jones*

co-author countries: United States of America 🇺🇸
MeSH headings : Solanum lycopersicum / microbiology; Plant Diseases / microbiology; Xanthomonas / genetics
Sources: Web Of Science, ORCID
Added: June 21, 2021

2020 journal article

Characterization of morphological changes within stromata during sexual reproduction inAspergillus flavus

MYCOLOGIA, 112(5), 908–920.

co-author countries: United States of America 🇺🇸
author keywords: Ascocarp; ascospore; morphogenesis; sclerotium; stroma
MeSH headings : Aspergillus flavus / cytology; Aspergillus flavus / genetics; Aspergillus flavus / growth & development; Fertility; Food Contamination; Fruiting Bodies, Fungal / cytology; Fruiting Bodies, Fungal / genetics; Fruiting Bodies, Fungal / growth & development; Genetic Variation; Genotype; Humans; Mycotoxins; Plant Development / genetics; Plant Development / physiology; Reproduction / genetics; Reproduction / physiology; Spores, Fungal / cytology; Spores, Fungal / genetics; Spores, Fungal / growth & development
Sources: Web Of Science, ORCID
Added: September 7, 2020

2020 journal article

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

PHYTOPATHOLOGY, 110(10), 1668–1679.

By: J. Nyanapah*, P. Ayiecho*, J. Nyabundi*, W. Otieno* & P. Ojiambo n

co-author countries: Kenya 🇰🇪 United States of America 🇺🇸
author keywords: Cercospora zeina; disease resistance components; ecology and epidemiology; epidemic rate; quantitative resistance; Zea mays
MeSH headings : Disease Resistance / genetics; Humans; Kenya; Plant Diseases; Quantitative Trait Loci; Zea mays / genetics
Sources: Web Of Science, ORCID
Added: October 26, 2020

2019 journal article

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

Frontiers in Microbiology, 10.

By: M. Lewis n, I. Carbone n, J. Luis n, G. Payne n, K. Bowen*, A. Hagan*, R. Kemerait*, R. Heiniger n, P. Ojiambo n

co-author countries: United States of America 🇺🇸
author keywords: aflatoxin; Aspergillus section Flavi; biological control; lineage; mating type
Sources: Web Of Science, ORCID, Crossref
Added: August 12, 2019

2019 journal article

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

Journal of Stored Products Research, 84, 101519.

By: S. Kinyungu*, T. Isakeit*, P. Ojiambo n & C. Woloshuk*

co-author countries: United States of America 🇺🇸
author keywords: Aspergillus flavus; Aflatoxin; Afla-guard; AF36; Aflasafe; Postharvest; Maize
Source: ORCID
Added: December 19, 2019

2018 journal article

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

Phytopathology, 108(9), 1024–1037.

By: P. Ojiambo n, P. Battilani n, J. Cary n, B. Blum n & I. Carbone n

co-author countries: Italy 🇮🇹 United States of America 🇺🇸
MeSH headings : Aflatoxins / metabolism; Aspergillus flavus / chemistry; Aspergillus flavus / physiology; Crops, Agricultural; Disease Resistance; Food Contamination / prevention & control; Plant Diseases / immunology; Plant Diseases / microbiology; Plant Diseases / prevention & control; Plants, Genetically Modified; Zea mays / genetics; Zea mays / immunology; Zea mays / microbiology
Sources: Web Of Science, ORCID, Crossref
Added: October 16, 2018

2018 journal article

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

PLANT DISEASE, 102(5), 855–862.

By: K. Neufeld n, A. Keinath* & P. Ojiambo n

co-author countries: United States of America 🇺🇸
MeSH headings : Cucumis melo / microbiology; Cucurbita / microbiology; Models, Biological; Oomycetes / physiology; Plant Diseases / microbiology; Risk Factors
Sources: Web Of Science, ORCID
Added: August 6, 2018

2018 journal article

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.

By: K. Neufeld n, A. Keinath*, B. Gugino*, M. McGrath*, E. Sikora*, S. Miller*, M. Ivey*, D. Langston* ...

co-author countries: United States of America 🇺🇸
author keywords: Aerobiological modeling system; Cucurbit downy mildew; Risk prediction; True skill statistic; ROC analysis; Spore deposition
MeSH headings : Cucurbitaceae; Forecasting; Models, Theoretical; Mycoses; Oomycetes; Plant Diseases; Rain / microbiology; Risk; United States
Sources: Web Of Science, ORCID
Added: August 6, 2018

2018 journal article

Pseudoperonospora cubensis virulence and pathotype structure in Kazakhstan

PLANT PATHOLOGY, 67(9), 1924–1935.

By: A. Rsaliyev, N. Amirkhanova, N. Rametov, Z. Pahratdinova, P. Ojiambo n & A. Lebeda*

co-author countries: Czechia 🇨🇿 United States of America 🇺🇸
author keywords: Cucumis sativus; cucurbit downy mildew; differential set; pathogen population; virulence diversity; virulence factors
Sources: Web Of Science, ORCID
Added: November 26, 2018

2018 journal article

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.

By: A. Thomas n, K. Neufeld n, K. Seebold*, C. Braun*, M. Schwarz* & P. Ojiambo n

co-author countries: Germany 🇩🇪 United States of America 🇺🇸
MeSH headings : Benzamides / pharmacology; Carbamates / pharmacology; Cucurbitaceae / microbiology; Drug Resistance, Fungal / drug effects; Fungicides, Industrial / pharmacology; Georgia; Michigan; Microbial Sensitivity Tests; New Jersey; New York; North Carolina; Ohio; Oomycetes / classification; Oomycetes / drug effects; Oomycetes / physiology; Plant Diseases / microbiology; Species Specificity; Thiazoles / pharmacology; Thiophenes / pharmacology
Source: ORCID
Added: December 19, 2019

2018 article

Septoria nodorum blotch of wheat

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

By: L. Mehra*, U. Adhikari n, C. Cowger n & P. Ojiambo n

co-author countries: United States of America 🇺🇸
Source: ORCID
Added: December 19, 2019

2018 article

Septoria nodorum blotch of wheat

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

By: L. Mehra*, U. Adhikari n, C. Cowger n & P. Ojiambo n

co-author countries: United States of America 🇺🇸
Source: ORCID
Added: December 19, 2019

2018 article

Septoria nodorum blotch of wheat

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

By: L. Mehra*, U. Adhikari n, C. Cowger n & P. Ojiambo n

co-author countries: United States of America 🇺🇸
Source: ORCID
Added: December 19, 2019

2017 journal article

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

PHYTOPATHOLOGY, 107(6), 635–644.

By: L. Mehra n, C. Cowger n & P. Ojiambo n

co-author countries: United States of America 🇺🇸
author keywords: model accuracy
MeSH headings : Ascomycota / physiology; Data Accuracy; Host-Pathogen Interactions; Logistic Models; Models, Statistical; Plant Diseases / microbiology; Plant Leaves / microbiology; Triticum / microbiology; Weather
Sources: Web Of Science, ORCID
Added: August 6, 2018

2017 journal article

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

Microbial Risk Analysis, 6, 21–30.

By: K. Neufeld n, A. Keinath* & P. Ojiambo n

co-author countries: United States of America 🇺🇸
author keywords: Decision threshold; Disease development; Infection; Risk model; ROC analysis
Sources: Crossref, ORCID
Added: February 10, 2020

2017 article

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.

Peter Ojiambo

Ed(s): P. Ojiambo*, H. Ngugi & H. Scherm

Source: ORCID
Added: December 19, 2019

2017 journal article

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

Phytopathology, 10.

By: O. Ps n, Y. J n, . Bosch F & M. Lv n

co-author countries: United Kingdom of Great Britain and Northern Ireland 🇬🇧 Sweden 🇸🇪 United States of America 🇺🇸
MeSH headings : Agriculture; Disease Resistance; Epidemics; Plant Diseases / prevention & control; Plant Diseases / statistics & numerical data; Plant Pathology
Source: ORCID
Added: December 19, 2019

2017 journal article

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.

By: P. Ojiambo, J. Yuen, F. Bosch & L. Madden

Source: NC State University Libraries
Added: August 6, 2018

2017 journal article

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

PEERJ, 5.

By: P. Ojiambo n, D. Gent*, L. Mehra n, D. Christie n & R. Magarey n

co-author countries: United States of America 🇺🇸
author keywords: Inverse power law; Dispersive waves; Epidemic spread; Parameter stability; Long-distance dispersal
Sources: ORCID, Web Of Science
Added: August 6, 2018

2017 journal article

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

Phytopathology, 107(3), 313–321.

By: A. Thomas n, I. Carbone n, Y. Cohen n & P. Ojiambo n

co-author countries: Israel 🇮🇱 United States of America 🇺🇸
MeSH headings : Cucumis melo / parasitology; Cucumis sativus / parasitology; Oomycetes / genetics; Oomycetes / isolation & purification; Plant Diseases / parasitology; Reproduction
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018

2017 journal article

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

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

By: A. Thomas n, I. Carbone n, K. Choe n, L. Quesada-Ocampo n & P. Ojiambo n

co-author countries: United States of America 🇺🇸
author keywords: coalescent analysis; cucurbits; disease resurgence; downy mildew; lineage; phylogenetic analysis
Sources: ORCID, Crossref, Web Of Science
Added: August 6, 2018

2017 journal article

Revisiting Graduate Student Training to Address Agricultural and Environmental Societal Challenges

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

By: O. Duckworth n, M. Andrews n, M. Cubeta n, A. Grunden n & P. Ojiambo n

co-author countries: United States of America 🇺🇸
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018

2017 journal article

Virulence Structure Within Populations of Pseudoperonospora cubensis in the United States

PHYTOPATHOLOGY, 107(6), 777–785.

By: A. Thomas n, I. Carbone n, A. Lebeda n & P. Ojiambo n

co-author countries: Czechia 🇨🇿 United States of America 🇺🇸
MeSH headings : Cucumis sativus / parasitology; Genotype; Host Specificity; Oomycetes / pathogenicity; Phenotype; Plant Diseases / parasitology; United States; Virulence / genetics
Sources: Web Of Science, ORCID
Added: August 6, 2018

2016 journal article

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.

By: J. Atehnkeng*, M. Donner*, P. Ojiambo n, B. Ikotun*, J. Augusto*, P. Cotty*, R. Bandyopadhyay*

co-author countries: Germany 🇩🇪 Nigeria 🇳🇬 United States of America 🇺🇸
MeSH headings : Aflatoxins / analysis; Aflatoxins / metabolism; Aspergillus flavus / genetics; Aspergillus flavus / growth & development; Aspergillus flavus / isolation & purification; Aspergillus flavus / metabolism; Genetic Variation; Zea mays / microbiology
Sources: Web Of Science, ORCID
Added: August 6, 2018

2016 journal article

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

Frontiers in Plant Science, 7.

By: L. Mehra n, C. Cowger n, K. Gross n & P. Ojiambo n

co-author countries: United States of America 🇺🇸
author keywords: disease risk; machine learning; random forest; variable importance; Stagonospora nodorum blotch; wheat
Source: ORCID
Added: December 19, 2019

2016 journal article

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

PHYTOPATHOLOGY, 106(10), 1105–1116.

co-author countries: United States of America 🇺🇸
MeSH headings : Cucurbitaceae / parasitology; Genetic Markers / genetics; Genomics; High-Throughput Nucleotide Sequencing / methods; Host Specificity; Oomycetes / genetics; Oomycetes / isolation & purification; Plant Diseases / parasitology; Plant Leaves / parasitology; Real-Time Polymerase Chain Reaction; Sequence Analysis, DNA; Species Specificity
Sources: Web Of Science, ORCID
Added: August 6, 2018

2015 review

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.

By: P. Ojiambo, D. Gent, L. Quesada-Ocampo, M. Hausbeck & G. Holmes

Source: NC State University Libraries
Added: August 6, 2018

2015 journal article

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

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

By: P. Ojiambo n, D. Gent*, L. Quesada-Ocampo n, M. Hausbeck* & G. Holmes*

co-author countries: United States of America 🇺🇸
author keywords: Bayesian prediction; disease management; genomics; mating type; pathotype; risk assessment
MeSH headings : Crop Production; Cucurbitaceae / microbiology; Oomycetes / physiology; Plant Diseases / microbiology
Source: ORCID
Added: December 19, 2019

2015 journal article

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

PLANT DISEASE, 99(1), 80–86.

By: M. Rahman n, P. Ojiambo n & F. Louws n

co-author countries: United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: August 6, 2018

2015 journal article

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

Phytopathology, 105(11), 1417–1426.

By: L. Mehra n, C. Cowger n, R. Weisz n & P. Ojiambo n

co-author countries: United States of America 🇺🇸
MeSH headings : Ascomycota / physiology; Biomass; Host-Pathogen Interactions; Plant Diseases; Triticum / microbiology; Weather
Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2015 journal article

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

PLANT DISEASE, 99(4), 428–441.

By: G. Holmes*, P. Ojiambo n, M. Hausbeck*, L. Quesada-Ocampo n & A. Keinath*

co-author countries: United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: August 6, 2018

2015 journal article

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

PHYTOPATHOLOGY, 105(7), 998–1012.

By: Y. Cohen n, K. Langenberg n, T. Wehner n, P. Ojiambo n, M. Hausbeck n, L. Quesada-Ocampo n, A. Lebeda n, H. Sierotzki n, U. Gisi n

co-author countries: Israel 🇮🇱 United States of America 🇺🇸
author keywords: disease outbreak; population changes
MeSH headings : Cucurbitaceae / genetics; Cucurbitaceae / microbiology; Drug Resistance, Microbial; Europe; Fungicides, Industrial; Host-Pathogen Interactions / genetics; Oomycetes / physiology; Pest Control; Plant Diseases; Plant Immunity / genetics; United States
Sources: Web Of Science, ORCID
Added: August 6, 2018

2014 journal article

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.

By: J. Atehnkeng*, P. Ojiambo n, P. Cotty* & R. Bandyopadhyay*

co-author countries: Nigeria 🇳🇬 United States of America 🇺🇸
author keywords: Native strains; Aspergillus section Flavi; Aspergillus parasiticus; Aspergillus tamarii; Nigeria
Sources: Web Of Science, ORCID
Added: August 6, 2018

2014 article

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.

By: E. Wallace n, M. Adams n, K. Ivors n, P. Ojiambo n & L. Quesada-Ocampo n

co-author countries: United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: August 6, 2018

2014 journal article

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

PLANT DISEASE, 98(9), 1261–1266.

co-author countries: Nigeria 🇳🇬 United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: August 6, 2018

2013 journal article

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

HortScience, 48(1), 53–59.

By: A. Call, T. Wehner*, G. Holmes & P. Ojiambo*

author keywords: Cucumis sativus; Pseudoperonospora cubensis; disease
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018

2013 journal article

Modeling Spatial Frailties in Survival Analysis of Cucurbit Downy Mildew Epidemics

PHYTOPATHOLOGY, 103(3), 216–227.

By: P. Ojiambo* & E. Kang

author keywords: Bayesian model; hierarchical spatial frailty model; spatial heterogeneity
MeSH headings : Bayes Theorem; Cluster Analysis; Crops, Agricultural / economics; Crops, Agricultural / parasitology; Cucurbitaceae / parasitology; Epidemics / statistics & numerical data; Models, Biological; Oomycetes / physiology; Plant Diseases / economics; Plant Diseases / parasitology; Plant Diseases / statistics & numerical data; Risk; Seasons; Spatio-Temporal Analysis; Survival Analysis; Time Factors; United States
Sources: Web Of Science, ORCID
Added: August 6, 2018

2013 journal article

Pathogenic variation of Mycosphaerella species infecting banana and plantain in Nigeria

PLANT PATHOLOGY, 62(2), 298–308.

By: M. Zandjanakou-Tachin*, P. Ojiambo n, I. Vroh-Bi*, A. Tenkouano*, Y. Gumedzoe* & R. Bandyopadhyay*

co-author countries: Cameroon 🇨🇲 Nigeria 🇳🇬 Togo 🇹🇬 United States of America 🇺🇸
author keywords: aggressiveness; diversity; M; eumusae; M; fijiensis; Musa; pathotype composition
Sources: Web Of Science, ORCID
Added: August 6, 2018

2013 journal article

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

PLANT PATHOLOGY, 62(6), 1366–1377.

By: K. Neufeld n, S. Isard* & P. Ojiambo n

co-author countries: United States of America 🇺🇸
author keywords: aerobiology; cucurbits; disease forecasting; inoculum dispersal; source strength
Sources: Web Of Science, ORCID
Added: August 6, 2018

2012 journal article

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.

By: K. Neufeld n & P. Ojiambo n

co-author countries: United States of America 🇺🇸
Source: ORCID
Added: December 19, 2019

2012 journal article

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

PHYTOPATHOLOGY, 102(5), 498–505.

By: A. Crook, T. Friesen, Z. Liu, P. Ojiambo* & C. Cowger*

MeSH headings : Ascomycota / genetics; Ascomycota / metabolism; Chromosome Mapping; Cluster Analysis; Disease Susceptibility; Genes, Bacterial / genetics; Genes, Plant / genetics; Host-Pathogen Interactions; Mycotoxins / genetics; Mycotoxins / metabolism; Mycotoxins / pharmacology; Plant Diseases / microbiology; Plant Leaves / microbiology; Random Allocation; Seeds / drug effects; Seeds / genetics; Seeds / microbiology; Southeastern United States; Triticum / drug effects; Triticum / genetics; Triticum / microbiology
Sources: ORCID, Web Of Science
Added: August 6, 2018

2012 journal article

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

By: M. Olanya, Z. He, R. Larkin, W. Honeycutt, R. Nyankanga, P. Ojiambo, B. Lemaga, R. Kakuhenzire, D. Fontem

Source: ORCID
Added: December 19, 2019

2012 journal article

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

By: M. Zandjanakou-Tachin, P. Ojiambo, I. Vroh-Bi, A. Tenkouano, Y. Gumedzoe & R. Bandyopadhyay

Source: ORCID
Added: December 19, 2019

2011 journal article

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

PLANT DISEASE, 95(5), 561–567.

By: A. Zeatfoss, C. Cowger n & P. Ojiambo n

co-author countries: United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: August 6, 2018

2011 journal article

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

By: A. Zearfoss, C. Cowger & P. Ojiambo

Source: ORCID
Added: December 19, 2019

2011 journal article

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

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

By: P. Diedhiou*, R. Bandyopadhyay*, J. Atehnkeng* & P. Ojiambo n

co-author countries: Nigeria 🇳🇬 Senegal 🇸🇳 United States of America 🇺🇸
author keywords: Aspergillus section Flavi; geographical distribution; West Africa
Sources: Web Of Science, ORCID
Added: August 6, 2018

2011 journal article

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

PLANT DISEASE, 95(1), 43–50.

co-author countries: Nigeria 🇳🇬 United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: August 6, 2018

2011 journal article

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

By: M. Twizeyimana, P. Ojiambo, G. Hartmand & R. Bandyopadhyay

Source: ORCID
Added: December 19, 2019

2011 journal article

Genetic structure and diversity of Phakopsora pachyrhizi isolates from soyabean

PLANT PATHOLOGY, 60(4), 719–729.

co-author countries: Nigeria 🇳🇬 United States of America 🇺🇸
author keywords: Glycine max; population biology; soyabean; soyabean rust; SSR genotype; virulence phenotype
Sources: Web Of Science, ORCID
Added: August 6, 2018

2011 journal article

Spatiotemporal Spread of Cucurbit Downy Mildew in the Eastern United States

PHYTOPATHOLOGY, 101(4), 451–461.

By: P. Ojiambo n & G. Holmes

co-author countries: United States of America 🇺🇸
author keywords: spatial point pattern analysis; space-time clustering
MeSH headings : Cucurbitaceae / microbiology; Disease Outbreaks / statistics & numerical data; Geography; Oomycetes / pathogenicity; Plant Diseases / microbiology; Plant Diseases / statistics & numerical data; Seasons; Space-Time Clustering; Sporangia; Time Factors; United States
Sources: Web Of Science, ORCID
Added: August 6, 2018

2011 journal article

Validation of tuber blight (Phytophthora infestans) prediction model

CROP PROTECTION, 30(5), 547–553.

By: R. Nyankanga*, O. Olanya*, P. Ojiambo n, H. Wien*, C. Honeycutt* & W. Kirk*

co-author countries: United States of America 🇺🇸
author keywords: Prediction model; Potato late blight; Solanum tuberosum; Tuber infection
Sources: Web Of Science, ORCID
Added: August 6, 2018

2010 journal article

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

PHYTOPATHOLOGY, 100(10), 1066–1076.

By: P. Ojiambo*, P. Paul & G. Holmes

author keywords: fixed- and random-effects models; Pseudoperonospora cubensis
MeSH headings : Cucurbita / microbiology; Fungi / drug effects; Fungicides, Industrial / pharmacology; Plant Diseases / microbiology
Sources: Web Of Science, ORCID
Added: August 6, 2018

2010 journal article

Efficiency of Adaptive Cluster Sampling for Estimating Plant Disease Incidence

PHYTOPATHOLOGY, 100(7), 663–670.

By: P. Ojiambo* & H. Scherm

author keywords: disease survey; survey efficiency
MeSH headings : Cluster Analysis; Computer Simulation; Incidence; Plant Diseases; Sample Size
Sources: Web Of Science, ORCID
Added: August 6, 2018

2010 journal article

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

PHYTOPATHOLOGY, 100(9), 959–967.

By: L. Arauz*, K. Neufeld*, A. Lloyd* & P. Ojiambo*

author keywords: cucurbit downy mildew; disease forecasting
MeSH headings : Cucumis melo / microbiology; Oomycetes / physiology; Plant Diseases / microbiology; Spores / physiology; Temperature; Time Factors; Water
Sources: Web Of Science, ORCID
Added: August 6, 2018

2010 journal article

Survival of Pseudoperonospora cubensis sporangia exposed to solar radiation

PLANT PATHOLOGY, 59(2), 313–323.

By: L. Kanetis n, G. Holmes* & P. Ojiambo n

co-author countries: Cyprus 🇨🇾 United States of America 🇺🇸
author keywords: aerobiology; cucurbits; downy mildew; spore dispersal
Sources: Web Of Science, ORCID
Added: August 6, 2018

2009 journal article

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

PLANT PATHOLOGY, 58(3), 536–546.

By: M. Zandjanakou-Tachin*, I. Vroh-Bi*, P. Ojiambo n, A. Tenkouano*, Y. Gumedzoe* & R. Bandyopadhyay*

co-author countries: Cameroon 🇨🇲 Nigeria 🇳🇬 Russian Federation 🇷🇺 Togo 🇹🇬 United States of America 🇺🇸
author keywords: black Sigatoka; genetic population structure; Musa species; ribosomal RNA genes; sequence haplotypes
Sources: Web Of Science, ORCID
Added: August 6, 2018

2009 journal article

Pathogenic Variation of Phakopsora pachyrhizi Infecting Soybean in Nigeria

PHYTOPATHOLOGY, 99(4), 353–361.

By: M. Twizeyimana, P. Ojiambo*, K. Sonder, T. Ikotun, G. Hartman & R. Bandyopadhyay

author keywords: pathogen diversity; pathotype composition; virulence analysis; West Africa
MeSH headings : Basidiomycota / genetics; Basidiomycota / pathogenicity; Cluster Analysis; Genetic Variation; Genotype; Geography; Host-Pathogen Interactions; Nigeria; Plant Diseases; Soybeans / microbiology
Sources: Web Of Science, ORCID
Added: August 6, 2018

2009 journal article

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

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

By: G. Almany*, M. De Arruda, W. Arthofer*, Z. Atallah*, S. Beissinger*, M. Berumen*, S. Bogdanowicz*, S. Brown* ...

co-author countries: Argentina 🇦🇷 Austria 🇦🇹 Australia 🇦🇺 Brazil 🇧🇷 Canada 🇨🇦 China 🇨🇳 Germany 🇩🇪 Spain 🇪🇸 France 🇫🇷 United Kingdom of Great Britain and Northern Ireland 🇬🇧 Hong Kong 🇭🇰 Ireland 🇮🇪 India 🇮🇳 Italy 🇮🇹 Japan 🇯🇵 Malaysia 🇲🇾 Portugal 🇵🇹 Sweden 🇸🇪 Taiwan, Province of China 🇹🇼 United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: August 6, 2018

2009 journal article

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

By: G. Almany, M. De Arruda, W. Arthofer, Z. Atallah, S. Beissinger, M. Berumen, S. Bogdanowicz, S. Brown ...

Source: ORCID
Added: December 19, 2019

2009 review

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.

By: O. Olanya*, P. Ojiambo n, R. Nyankanga*, C. Honeycutt* & W. Kirk*

co-author countries: Kenya 🇰🇪 United States of America 🇺🇸
author keywords: late blight; disease control; tuber rot
Source: Web Of Science
Added: August 6, 2018

2009 journal article

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

By: O. Olanya, P. Ojiambo, R. Nyankanga, C. Honeycutt & W. Kirk

Source: ORCID
Added: December 19, 2019

2009 journal article

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

By: I. Vroh-Bi, M. Zandjanakou-Tachin, M&apos, W. bah, A. Tenkouano, P. Ojiambo, R. Bandyopadhyay

Source: ORCID
Added: December 19, 2019

2008 journal article

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

HORTSCIENCE, 43(5), 1501–1508.

By: R. Nyankanga, O. Olanya, H. Wien, R. El-Bedewy, J. Karinga & P. OJiambo*

author keywords: Phytophthora infestans; US-1 genotype; Solanum tuberosum; R-genes; tuber blight; tuber blight prediction
Sources: Web Of Science, ORCID
Added: August 6, 2018

2008 journal article

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

By: J. Atehnkeng, P. Ojiambo, M. Donner, T. Ikotun, R. Sikora, P. Cotty, R. Bandyopadhyay

Source: ORCID
Added: December 19, 2019

2008 journal article

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.

By: J. Atehnkeng*, P. Ojiambo n, T. Ikotun*, R. Sikora*, P. Cotty* & R. Bandyopadhyay*

co-author countries: Germany 🇩🇪 Nigeria 🇳🇬 United States of America 🇺🇸
author keywords: aflatoxin; corn; mycotoxin; competitive exclusion; West Africa
MeSH headings : Aflatoxin B1 / analysis; Aflatoxin B1 / antagonists & inhibitors; Aflatoxins / analysis; Aflatoxins / antagonists & inhibitors; Aspergillus flavus / chemistry; Crops, Agricultural; Ecology / methods; Food Microbiology; Nigeria; Pest Control, Biological; Spores; Zea mays / chemistry; Zea mays / microbiology
Sources: Web Of Science, ORCID
Added: August 6, 2018

2008 journal article

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

PLANT DISEASE, 92(6), 947–952.

By: M. Twizeyimana*, P. Ojiambo n, T. Ikotun*, J. Ladipo*, G. Hartman* & R. Bandyopadhyay*

co-author countries: Nigeria 🇳🇬 United States of America 🇺🇸
author keywords: disease resistance; stability analysis
Sources: Web Of Science, ORCID
Added: August 6, 2018

2008 journal article

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

PLANT DISEASE, 92(5), 772–780.

By: C. Afolabi*, P. Ojiambo n, E. Ekpo*, A. Menkir & R. Bandyopadhyay

co-author countries: Nigeria 🇳🇬 United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: August 6, 2018

2007 journal article

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

By: M. Twizeyimana, P. Ojiambo, T. Ikotun, C. Paul, G. Hartman & R. Bandyopadhyay

Source: ORCID
Added: December 19, 2019

2007 journal article

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

International Journal of Food Microbiology, 2.

By: J. Atehnkeng*, P. Ojiambo*, M. Donner*, T. Ikotun*, R. Sikora*, P. Cotty*, R. Bandyopadhyay*

co-author countries: Germany 🇩🇪 Nigeria 🇳🇬 United States of America 🇺🇸
author keywords: aflatoxin; Aspergillus section Flavi; geographical distribution; West Africa
MeSH headings : Aflatoxins / biosynthesis; Aspergillus / growth & development; Aspergillus / isolation & purification; Aspergillus / metabolism; Aspergillus flavus / growth & development; Aspergillus flavus / isolation & purification; Aspergillus flavus / metabolism; Consumer Product Safety; Demography; Food Contamination / analysis; Food Microbiology; Humans; Nigeria; Zea mays / chemistry; Zea mays / microbiology
Source: ORCID
Added: December 19, 2019

2007 journal article

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

By: C. Afolabi, P. Ojiambo, E. Ekpo, A. Menkir & R. Bandyopadhyay

Source: ORCID
Added: December 19, 2019

2007 journal article

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.

By: C. Afolabi*, P. Ojiambo*, E. Ekpo*, A. Menkir* & R. Bandyopadhyay*

co-author countries: Nigeria 🇳🇬
author keywords: corn; mycotoxin
Source: ORCID
Added: December 19, 2019

2007 journal article

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

Plant Disease, 9.

By: P. Ojiambo*, R. Bandyopadhyay*, M. Twizeyimana*, A. Lema, R. Frederick*, K. Pedley*, C. Stone*, G. Hartman*

co-author countries: Nigeria 🇳🇬 United States of America 🇺🇸
Source: ORCID
Added: December 19, 2019

2007 journal article

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

Plant Disease, 8.

By: R. Bandyopadhyay*, P. Ojiambo*, M. Twizeyimana*, B. Asafo-Adjei, R. Frederick*, K. Pedley*, C. Stone*, G. Hartman*

co-author countries: Nigeria 🇳🇬 United States of America 🇺🇸
Source: ORCID
Added: December 19, 2019

2007 journal article

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.

By: M. Twizeyimana*, P. Ojiambo*, A. Tenkouano*, T. Ikotun* & R. Bandyopadhyay*

co-author countries: Cameroon 🇨🇲 Nigeria 🇳🇬
author keywords: banana; black Sigatoka; plantain
Source: ORCID
Added: December 19, 2019

2007 journal article

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.

By: R. Nyankanga, H. Wien, O. Olanya & P. Ojiambo*

Sources: Crossref, ORCID
Added: December 19, 2019

2007 journal article

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

Plant Health Progress, 8(1), 68.

By: P. Ojiambo*, H. Scherm* & P. Brannen*

co-author countries: Nigeria 🇳🇬 United States of America 🇺🇸
Source: ORCID
Added: December 19, 2019

2007 journal article

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

By: P. Ojiambo

Source: ORCID
Added: December 19, 2019

2006 journal article

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

Phytopathology, 11(11), 1168–1174.

By: P. Ojiambo* & H. Scherm

Source: ORCID
Added: December 19, 2019

2006 journal article

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.

By: O. Olanya*, P. Ojiambo* & R. Nyankanga*

co-author countries: United States of America 🇺🇸
author keywords: infection rates; Phytophthora infestans; population A; population B; resistance; potato; highland tropics; Kenya
Source: ORCID
Added: December 19, 2019

2006 journal article

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

Plant Disease, 90(9), 1209–1213.

By: P. Ojiambo* & H. Scherm*

co-author countries: United States of America 🇺🇸
author keywords: disease assessment; sampling; Vaccinium virgatum
Source: ORCID
Added: December 19, 2019

2006 journal article

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

Plant Disease, 90(1), 51–57.

By: P. Ojiambo*, H. Scherm* & P. Brannen*

co-author countries: United States of America 🇺🇸
author keywords: Septoria albopunctata; Vaccinium ashei; V. corymbosum
Source: ORCID
Added: December 19, 2019

2006 journal article

Trends in Theoretical Plant Epidemiology

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

By: H. Scherm*, H. Ngugi* & P. Ojiambo*

co-author countries: United States of America 🇺🇸
author keywords: decision analysis; mathematical model; population genetics; spatial structure; statistical epidemiology; stochasticity
Source: ORCID
Added: December 19, 2019

2005 journal article

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

Phytopathology, 95(1), 108–113.

By: P. Ojiambo* & H. Scherm

Source: ORCID
Added: December 19, 2019

2005 journal article

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

Plant Disease, 89(10), 1090–1096.

By: P. Ojiambo* & H. Scherm*

co-author countries: United States of America 🇺🇸
Source: ORCID
Added: December 19, 2019

2004 journal article

Applications of Survival Analysis in Botanical Epidemiology

Phytopathology, 94(9), 1022–1026.

By: H. Scherm & P. Ojiambo*

author keywords: rabbiteye blueberry; Vaccinium ashei; Weibull distribution
Source: ORCID
Added: December 19, 2019

2004 journal article

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

By: R. Nyankanga, H. Wien, O. Olanya & P. Ojiambo

Source: ORCID
Added: December 19, 2019

2003 journal article

Field transmission efficiency of Alternaria sesami in sesame from infected seed

Crop Protection, 22(9), 1107–1115.

By: P. Ojiambo*, R. Mibey*, R. Narla* & P. Ayiecho*

co-author countries: Kenya 🇰🇪 United States of America 🇺🇸
author keywords: Alternaria leaf spot; epidemiology; seed infection; seed transmission efficiency; sesame; temporal progress
Source: ORCID
Added: December 19, 2019

2000 journal article

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.

By: P. Ojiambo*, J. Nyanapah n, C. Lung'aho, J. Karinga* & H. Kidanemariam*

co-author countries: Kenya 🇰🇪 United States of America 🇺🇸
author keywords: epidemiology; horizontal resistance; lateblight; Solanum tuberosum
Sources: ORCID, Web Of Science
Added: August 6, 2018

2000 journal article

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.

By: M. Vega-Sanchez, L. Erselius, A. Rodriguez, O. Bastidas, . Hohl, P. Ojiambo*, J. Mukalazi*, T. Vermeulen*, W. Fry*, G. Forbes

co-author countries: Kenya 🇰🇪 United States of America 🇺🇸
author keywords: adaptation; lineages; Phytophthora infestans; populations; potato; tomato
Source: ORCID
Added: December 19, 2019

2000 journal article

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

By: P. Ojiambo, R. Narla, P. Ayiecho & R. Mibey

Source: ORCID
Added: December 19, 2019

2000 journal article

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

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

By: P. Ojiambo*, P. Ayiecho*, R. Narla* & R. Mibey*

co-author countries: Kenya 🇰🇪
Source: ORCID
Added: December 19, 2019

1999 journal article

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

By: P. Ojiambo, P. Ayiecho & J. Nyabundi

Source: ORCID
Added: December 19, 2019

1998 journal article

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

African Crop Science Journal, 6(2).

By: C. Lung'aho, P. Ojiambo* & H. Kidanemariam

Source: ORCID
Added: December 19, 2019

article

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.

By: H. Scherm*, H. Ngugi* & P. Ojiambo*

co-author countries: United States of America 🇺🇸
Source: ORCID
Added: December 19, 2019

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