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Charles Orek

Observed names: C. O. Orek, Charles O. Orek, Ochieng' Orek, Charles, Orek Charles, Orek, Charles
Observed institutions: South Eastern Kenya University, Murang'a University of Technology, ETH Zurich, International Institute of Tropical Agriculture, Institute of Agricultural Sciences, Institute of Molecular Plant Biology
ORCID: 0000-0001-7310-4052
Observed ORCID: 0000-0001-7310-4052
OpenAlex ID: A5019987423
Morpho-physiological and molecular evaluation of drought tolerance in cassava (Manihot esculenta Crantz)
2020 · Charles Orek, Wilhelm Gruissem, et al. · Field Crops Research · 60
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Identification and Characterization of Colletotrichum Species Causing Sorghum Anthracnose in Kenya and Screening of Sorghum Germplasm for Resistance to Anthracnose
2023 · Irene Njeri Koima, Dora Chao Kilalo, et al. · Journal of Fungi · 22
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A review of the functions of transcription factors and related genes involved in cassava (Manihot Esculenta Crantz) response to drought stress
2023 · Charles Orek · Tropical Plants · 22
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A review of management of major arthropod pests affecting cassava production in Sub-Saharan Africa
2023 · Charles Orek · Crop Protection · 20
An Optimised Cetyltrimethylammonium Bromide (CTAB)-Based Protocol for Extracting RNA from Young and Old Cassava Leaves
2018 · C. O. Orek · Journal of Advances in Biology & Biotechnology · 18
Survey of Fungal Foliar and Panicle Diseases in Smallholder Sorghum Cropping Systems in Different Agro-Ecologies of Lower Eastern Kenya
2022 · Irene Njeri Koima, Dora Chao Kilalo, et al. · Microbiology Research · 10
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A review of drought-stress responsive genes and their applications for drought stress tolerance in cassava (Manihot esculenta Crantz)
2024 · Orek Charles · Discover Biotechnology · 8
Evaluation of Bean Common Mosaic Disease and Associated Aphid Vector, Aphis fabae L., on Common Bean (Phaseolus vulgaris L.) Production in Lower Eastern Kenya
2021 · Ngela A. Muute, Benjamin Muli, et al. · International Journal of Pathogen Research · 5
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Genotyping by Sequencing Reveals Genetic Relatedness and Duplicates amongst Local Cassava (Manihot esculenta Crantz) Landraces and Improved Genotypes in Kenya
2023 · Charles Orek, Martina Kyallo, et al. · Biotechnology Journal International · 4
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Analysis of local cassava landraces and improved genotypes in response to infections by cassava mosaic begomoviruses under field conditions in Kenya
2023 · Charles Orek, Martina Kyallo, et al. · Tropical Plant Pathology · 4
Response to Cassava Brown Streak Disease Infections in Local and Improved Cassava Genotypes under Field and Greenhouse Assays in Lower Eastern Kenya
2018 · I. N. Koima, C. O. Orek · International Journal of Pathogen Research · 4
Screening Selected Cassava Cultivars for Resistance against Cassava Viruses and Cassava Green Mites under Advanced Yield Trials in Kenya
2018 · J. C. Koros, Steven Runo, et al. · 4
Adoption Rate and Impacts of Climate Smart Agriculture Technologies on Productivity and Adaptation in Semi-Arid Counties of Kenya
2026 · Joyce Nyangao, Charles Orek, et al. · African Journal of Climate Change and Resource Sustainability · 3
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Identification of drought tolerant potato varieties for semi-arid conditions of Kenya
2025 · Gitonga Diana, Muiru Maina, et al. · Discover Plants. · 3
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Influence of Weather and Climate Information Services and Climate-Smart Technologies on Common Bean Productivity and Household Resilience in Homa Bay County, Kenya
2026 · Millicent Kalenya, Charles Orek, et al. · African Journal of Climate Change and Resource Sustainability · 2
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A Review of the Roles of Non- Coding RNAs Associated with Drought Stress Response in Cassava (Manihot esculenta Crantz)
2023 · Charles Orek, Ken Mulupi, et al. · Journal of Advances in Biology & Biotechnology · 2
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Farmer-Cultivated Landraces and Improved Cassava Genotypes Exhibit Varied Response to Cassava Brown Streak Disease Under Natural Infections in Kenya
2022 · Charles Orek · 2
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Morphological, physiological and molecular characterization of drought tolerance in cassava (Manihot esculenta Crantz)
2014 · Ochieng' Orek, Charles · Repository for Publications and Research Data (ETH Zurich) · 2
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Evaluation of cassava genotypes (Manihot esculenta Crantz) for drought tolerance and susceptibility under water deficit conditions
2024 · Charles Orek · Journal of Agricultural Food Science and Biotechnology · 1
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Role of Weather and Climate Information Services in Adoption of Climate- Smart Technologies in Africa: A Systematic Review
2026 · Millicent Kalenya, Charles Orek, et al. · American Journal of Environment and Climate
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Systematic Review of Impacts of Diverse Policies on Adoption of Climate-Smart Agriculture Technologies for Climate Change Adaptation in Africa
2026 · Joyce Nyangao, Charles Orek, et al. · African Journal of Climate Change and Resource Sustainability
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Editorial: Climate change creates cooler havens for disease vectors: shrubland expansion, thermal moderation, and one health risk in Africa’s drylands
2026 · John Kapoi Kipterer, Charles Orek, et al. · International Journal of Climate Change Strategies and Management
Assessment of Impacts and Adoption of Climate-Smart Agriculture Technologies Among Smallholder Farmers in Kigumo Sub-County, Murang’a County, Kenya
2026 · Lillian Weisiko, Charles Orek, et al. · African Journal of Climate Change and Resource Sustainability
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Assessment of Cassava Production and Utilisation as a Climate Smart Agriculture Practice in Murang’a County, Kenya
2026 · Antony Kamau Ngaruiya, Charles Orek, et al. · African Journal of Climate Change and Resource Sustainability
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Tolerance of Potato Varieties to Pests and Diseases under Irrigated and Non-Irrigated Conditions in Semi-Arid Machakos, Kenya
2026 · Diana Gitonga, Maina W. Muiru, et al. · Potato Research
Works count: 28
Citation count: 196
H-index: 7
I10-index: 6
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