Bio

DR. NGUGI ELIUD KAHIU

1. Family name: Ngugi
2. First names: Eliud Chege Kahiu
3. Nationality: Kenyan
4. Civil status: Married
5. Education:
Institution [ Date from - Date to ] Degree(s) or Diploma(s) obtained:
University of Cambridge 1988-1991 PhD Plant breeding & Genetics
University of Cambridge: 1986-1988 MPHIL Plant breeding & Genetics
University of Nairobi:1982-1984 Msc Plant breeding and Genetics
University of Nairobi: 1976-1980 B.Sc.
6. Present position: Senior Lecturer, University of Nairobi and part-time consultant
7. Membership: Kenya Plant Breeding Society;

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Publications


2017

2016

Kamau, J, Melis R, Laing M, Shanahan P, Derera J, Ngugi K, Migwa Y.  2016.  Farmers’ Perceptions of Production Constraints and Preferences in Cassava Grown in Semi-Arid Areas of Kenya. International Journal of Current Microbiology and Applied Sciences. 5(3):844-859.farmers_perceptions_of_production_constraints_and_preferences.pdf
Pauline Aluka1*, Fabrice Davrieux2, Kahiu Ngugi3*, Rose Omaria4, Gerard2 F,, J.N Kiiru, and MD2, Pinard.  2016.  The Diversity of Green Bean Biochemical Compounds in Robusta Coffee (Coffea canephora Pierre ex A. Froehner) as Evaluated by. Australian Journal of Experimental Agriculture ·. 12(2):1-13.the_diversity_of_green_bean_biochemical.pdf

2015

Kahiu Ngugi*, Abigail J. Ngugi, Sarah Osama, Mugoya C.  2015.  COMBATING STRIGA WEED IN SORGHUM BY TRANSFERRING RESISTANCE QUANTITATIVE TRAIT.. Journal of Plant Breeding and Crop Science . 3(3):67-76.combating_striga_weed_in_sorghum_by_transferring_resistance.pdf
Titus O. Magomere1, 4*,, J.N Kiiru, Silas D. Obukosia2, and EM1, Shibairo SI.  2015.  The population structure of wild sorghum species in agroecological zones of.. African Journal of Biotechnology . The population structure of wild sorghum species in agroecological zones of. .pdf

2014

Clet Wandui Masiga, Abdalla Mohamed, Sarah Osama, Abigail Ngugi, Dan Kiambi, Santie de Villiers, Ngugi K, Mugoya C, Rasha Ali.  2014.  Enhanced Utilization of Biotechnology Research and Development Innovations in Eastern and Central Africa for Agro-ecological Intensification. Enhanced Utilization of BiotechnologyResearch and Development Innovationsin Eastern and Central Africafor Agro-ecological Intensification. , Entebe: Association for Strengthening Agricultural Research in Eastern and Central Africa (ASARECA)masiga_et_al_2014_enhanced_use_of_biotechnology_in_eca.pdf

2013

2, TN, Ngugi K, Santie de Villiers, Dan Kiambi, Mutitu E, Sarah Osama, Ngugi AJ.  2013.  Introgressing Striga Resistance from a Mapped Donor Source into a Rwandan Adapted Sorghum Variety . Journal of Renewable Agriculture . 1(1):6-10.
Ngugi, K, Jerono Cheserek, Muchira C, Chemining’wa G.  2013.  Anthesis to silking interval usefulness in developing drought tolerant. Journal of Renewable Agriculture . , 1(50):84-90.anthesis_to_silking_interval_usefulness_in_developing_drought.pdf

2012

Nabiswa, A, Kinama J.  2012.  Adaptation of Jatropha curcas L. in the agroecological environments of Kenya: genotype × environment interactions ana lysis. AbstractWebsite

Jatropha curcas L. has the potential for becoming an important feedstock for biodiesel and bioenergy in Kenya. The objective of this study was to evaluate the e"ects of genotype X` environment interaction and to determine the stability of performance of the currently grown genotypes. Methodology:A field trial consisting of 49 genotypes was laid out in a lattice design of two replications in two contrasting agroecological environments, namely Thika and Kibwezi, for 2 years. The Eberhart and Russell stability method was used to measure the performance of yield components of the 49 genotypes. Results: Environmental variance in%uenced the performance of genotypes for all the traits measured and genotype#×#environment interactions were important in determining their performance.

2011

*, JK1, RM2,, J.N Kiiru, John Derera 2, and PS2, Ngug ECK.  2011.  Farmers’ participatory selection for early bulking cassava genotypes in semi-arid Eastern Kenya. Journal of Plant Breeding and Crop Science . 33(3):44-52.farmers_participatory_selection_for_early_bulking_cassava_genotypes_in_semi-arid_eastern_kenya.pdf

2010

K. NGUGI and, MASWILI R.  2010.  PHENOTYPIC DIVERSITY IN SORGHUM LANDRACES FROM KENYA. African Crop Science Journal,. 18(4):165-173.phenotypic_diversity_in_sorghum_landraces_from_kenya.pdf

2008

2007

Simon E. Bull, 1 4, Rob W. Briddon 1, 1 William S. Sserubombwe, 1 3 Kahiu Ngugi, and PM12 G, Stanley1 J.  2007.  Infectivity, pseudorecombination and mutagenesis of Kenyan cassava mosaic begomoviruses. Journal of General Virology . 88, :1624–1633.infectivity_pseudorecombination_and_mutagenesis.pdf

2006

Simon E. Bull, 1, 3 Rob W. Briddon 1, 4 William S. Sserubombwe, 1 Kahiu Ngugi 2, and PM11 G, Stanley J.  2006.  Genetic diversity and phylogeography of cassava mosaic viruses in Kenya. Journal of General Virology. 87, :3053–3065.genetic_diversity_and_phylogeography_of_cassava_mosaic_viruses_in_kenya.pdf

2003

KAHIU, DRNGUGIELIUD.  2003.  Improvement of drought tolerance through molecular markers in a tropical maize population bred for semi-arid areas of Kenya. African Journal of Crop Science. Journal of Crop Science and Biotechnology. : Korean Society of Crop Science and Springer Abstract
Objective: To determine the prevalence and pattern of eye diseases and visual impairment in the Nairobi Comprehensive Eye Care Services (NCES) Project; the catchment area of the Mbagathi District Eye Unit of Nairobi. Design: Community based survey conducted from October 15th to 31st 2007 Setting: Kibera and Dagoreti divisions of Nairobi City Subjects: 4200 people of all ages were randomly selected; 4056 were examined (96.6% response rate). 122 (2.9%) were not available and 15 (0.4%) declined to be examined. Results: Females: 54.2%, Males: 45.8%. Mean age; 22.4 years, SD; 16.5. Only 241(5.9%) aged >50years old. The leading eye disorders in Kibera and Dagoretti divisions are conjunctival disorders including allergic conjunctivitis and conjunctival growths. This was found to affect 7.6% of the subjects. This was followed by refractive errors found in 5.3% of the subjects. Cataract was found in 30 subjects (0.7%). Disorders of the retina and the optic nerve were found in 1.1% of the subjects and corneal disorders in 0.5%. The prevalence of visual impairment was 0.6%, severe visual impairment was 0.05% and blindness was 0.1%. This indicates that most of the ocular disorders encountered were not visually threatening. The main cause of visual impairment is refractive errors and the causes of severe visual impairment and blindness are cataract, corneal opacity and glaucoma. Conclusion: The population of the NCES is relatively young and the prevalence of blindness and visual impairment is low. The main cause of visual impairment was refractive errors and the causes of severe visual impairment and blindness were cataract, corneal opacity and glaucoma. Recommendations: The level of blindness in NCES is low and the project should focus more on rendering eye care and not treatment of blindness. There is need to address the issue of refractive errors as this was one of the main ocular problems encountered. In this survey, it was not possible to perform detailed refraction and hence it was recommend that a refractive error survey be conducted; especially in school going children.
KAHIU, DRNGUGIELIUD.  2003.  Locating Quantitative Trait Loci for maize stem borer resistance in Kenya through molecular markers. African Journal of Crop Science. Journal of Crop Science and Biotechnology. : Korean Society of Crop Science and Springer Abstract
Objective: To determine the prevalence and pattern of eye diseases and visual impairment in the Nairobi Comprehensive Eye Care Services (NCES) Project; the catchment area of the Mbagathi District Eye Unit of Nairobi. Design: Community based survey conducted from October 15th to 31st 2007 Setting: Kibera and Dagoreti divisions of Nairobi City Subjects: 4200 people of all ages were randomly selected; 4056 were examined (96.6% response rate). 122 (2.9%) were not available and 15 (0.4%) declined to be examined. Results: Females: 54.2%, Males: 45.8%. Mean age; 22.4 years, SD; 16.5. Only 241(5.9%) aged >50years old. The leading eye disorders in Kibera and Dagoretti divisions are conjunctival disorders including allergic conjunctivitis and conjunctival growths. This was found to affect 7.6% of the subjects. This was followed by refractive errors found in 5.3% of the subjects. Cataract was found in 30 subjects (0.7%). Disorders of the retina and the optic nerve were found in 1.1% of the subjects and corneal disorders in 0.5%. The prevalence of visual impairment was 0.6%, severe visual impairment was 0.05% and blindness was 0.1%. This indicates that most of the ocular disorders encountered were not visually threatening. The main cause of visual impairment is refractive errors and the causes of severe visual impairment and blindness are cataract, corneal opacity and glaucoma. Conclusion: The population of the NCES is relatively young and the prevalence of blindness and visual impairment is low. The main cause of visual impairment was refractive errors and the causes of severe visual impairment and blindness were cataract, corneal opacity and glaucoma. Recommendations: The level of blindness in NCES is low and the project should focus more on rendering eye care and not treatment of blindness. There is need to address the issue of refractive errors as this was one of the main ocular problems encountered. In this survey, it was not possible to perform detailed refraction and hence it was recommend that a refractive error survey be conducted; especially in school going children.

2002

KAHIU, DRNGUGIELIUD.  2002.  Molecular marker breeding for drought tolerance in a tropical maize population developed for semi-arid Kenya;. In International workshop on biotechnological interventions for dryland agriculture opportunities and constraints, July 2002, Hyderabad, India. Pp41-55.. : Korean Society of Crop Science and Springer Abstract
Objective: To determine the prevalence and pattern of eye diseases and visual impairment in the Nairobi Comprehensive Eye Care Services (NCES) Project; the catchment area of the Mbagathi District Eye Unit of Nairobi. Design: Community based survey conducted from October 15th to 31st 2007 Setting: Kibera and Dagoreti divisions of Nairobi City Subjects: 4200 people of all ages were randomly selected; 4056 were examined (96.6% response rate). 122 (2.9%) were not available and 15 (0.4%) declined to be examined. Results: Females: 54.2%, Males: 45.8%. Mean age; 22.4 years, SD; 16.5. Only 241(5.9%) aged >50years old. The leading eye disorders in Kibera and Dagoretti divisions are conjunctival disorders including allergic conjunctivitis and conjunctival growths. This was found to affect 7.6% of the subjects. This was followed by refractive errors found in 5.3% of the subjects. Cataract was found in 30 subjects (0.7%). Disorders of the retina and the optic nerve were found in 1.1% of the subjects and corneal disorders in 0.5%. The prevalence of visual impairment was 0.6%, severe visual impairment was 0.05% and blindness was 0.1%. This indicates that most of the ocular disorders encountered were not visually threatening. The main cause of visual impairment is refractive errors and the causes of severe visual impairment and blindness are cataract, corneal opacity and glaucoma. Conclusion: The population of the NCES is relatively young and the prevalence of blindness and visual impairment is low. The main cause of visual impairment was refractive errors and the causes of severe visual impairment and blindness were cataract, corneal opacity and glaucoma. Recommendations: The level of blindness in NCES is low and the project should focus more on rendering eye care and not treatment of blindness. There is need to address the issue of refractive errors as this was one of the main ocular problems encountered. In this survey, it was not possible to perform detailed refraction and hence it was recommend that a refractive error survey be conducted; especially in school going children.

2001

KAHIU, DRNGUGIELIUD.  2001.  The role of molecular markers in the improvement of drought tolerance and insect resistance in maize.. International conference on Biotechnology organized by Biotechnology Trust Africa, September 2nd-5th, Nairobi, Kenya.. : Korean Society of Crop Science and Springer Abstract
Objective: To determine the prevalence and pattern of eye diseases and visual impairment in the Nairobi Comprehensive Eye Care Services (NCES) Project; the catchment area of the Mbagathi District Eye Unit of Nairobi. Design: Community based survey conducted from October 15th to 31st 2007 Setting: Kibera and Dagoreti divisions of Nairobi City Subjects: 4200 people of all ages were randomly selected; 4056 were examined (96.6% response rate). 122 (2.9%) were not available and 15 (0.4%) declined to be examined. Results: Females: 54.2%, Males: 45.8%. Mean age; 22.4 years, SD; 16.5. Only 241(5.9%) aged >50years old. The leading eye disorders in Kibera and Dagoretti divisions are conjunctival disorders including allergic conjunctivitis and conjunctival growths. This was found to affect 7.6% of the subjects. This was followed by refractive errors found in 5.3% of the subjects. Cataract was found in 30 subjects (0.7%). Disorders of the retina and the optic nerve were found in 1.1% of the subjects and corneal disorders in 0.5%. The prevalence of visual impairment was 0.6%, severe visual impairment was 0.05% and blindness was 0.1%. This indicates that most of the ocular disorders encountered were not visually threatening. The main cause of visual impairment is refractive errors and the causes of severe visual impairment and blindness are cataract, corneal opacity and glaucoma. Conclusion: The population of the NCES is relatively young and the prevalence of blindness and visual impairment is low. The main cause of visual impairment was refractive errors and the causes of severe visual impairment and blindness were cataract, corneal opacity and glaucoma. Recommendations: The level of blindness in NCES is low and the project should focus more on rendering eye care and not treatment of blindness. There is need to address the issue of refractive errors as this was one of the main ocular problems encountered. In this survey, it was not possible to perform detailed refraction and hence it was recommend that a refractive error survey be conducted; especially in school going children.
KAHIU, DRNGUGIELIUD.  2001.  Agricultural Biotechnology Global Genetic Revolution. The role of molecular marker assisted breeding.. Symposium organized by the African Centre for Technology Studies (ACTS) and Jomo Kenyatta University of Agriculture and Technology, 30th October 2001.. : Korean Society of Crop Science and Springer Abstract
Objective: To determine the prevalence and pattern of eye diseases and visual impairment in the Nairobi Comprehensive Eye Care Services (NCES) Project; the catchment area of the Mbagathi District Eye Unit of Nairobi. Design: Community based survey conducted from October 15th to 31st 2007 Setting: Kibera and Dagoreti divisions of Nairobi City Subjects: 4200 people of all ages were randomly selected; 4056 were examined (96.6% response rate). 122 (2.9%) were not available and 15 (0.4%) declined to be examined. Results: Females: 54.2%, Males: 45.8%. Mean age; 22.4 years, SD; 16.5. Only 241(5.9%) aged >50years old. The leading eye disorders in Kibera and Dagoretti divisions are conjunctival disorders including allergic conjunctivitis and conjunctival growths. This was found to affect 7.6% of the subjects. This was followed by refractive errors found in 5.3% of the subjects. Cataract was found in 30 subjects (0.7%). Disorders of the retina and the optic nerve were found in 1.1% of the subjects and corneal disorders in 0.5%. The prevalence of visual impairment was 0.6%, severe visual impairment was 0.05% and blindness was 0.1%. This indicates that most of the ocular disorders encountered were not visually threatening. The main cause of visual impairment is refractive errors and the causes of severe visual impairment and blindness are cataract, corneal opacity and glaucoma. Conclusion: The population of the NCES is relatively young and the prevalence of blindness and visual impairment is low. The main cause of visual impairment was refractive errors and the causes of severe visual impairment and blindness were cataract, corneal opacity and glaucoma. Recommendations: The level of blindness in NCES is low and the project should focus more on rendering eye care and not treatment of blindness. There is need to address the issue of refractive errors as this was one of the main ocular problems encountered. In this survey, it was not possible to perform detailed refraction and hence it was recommend that a refractive error survey be conducted; especially in school going children.

2000

KAHIU, DRNGUGIELIUD.  2000.  The use of genetic diversity in maize breeding in Kenya. In C. Almekinders and Walter De Boef (editors) Encouraging Diversity. The conservation and development of plant genetic resources. Intermediate Technology Publications, 2000, p 156- 160.. Symposium organized by the African Centre for Technology Studies (ACTS) and Jomo Kenyatta University of Agriculture and Technology, 30th October 2001.. : Korean Society of Crop Science and Springer Abstract
Objective: To determine the prevalence and pattern of eye diseases and visual impairment in the Nairobi Comprehensive Eye Care Services (NCES) Project; the catchment area of the Mbagathi District Eye Unit of Nairobi. Design: Community based survey conducted from October 15th to 31st 2007 Setting: Kibera and Dagoreti divisions of Nairobi City Subjects: 4200 people of all ages were randomly selected; 4056 were examined (96.6% response rate). 122 (2.9%) were not available and 15 (0.4%) declined to be examined. Results: Females: 54.2%, Males: 45.8%. Mean age; 22.4 years, SD; 16.5. Only 241(5.9%) aged >50years old. The leading eye disorders in Kibera and Dagoretti divisions are conjunctival disorders including allergic conjunctivitis and conjunctival growths. This was found to affect 7.6% of the subjects. This was followed by refractive errors found in 5.3% of the subjects. Cataract was found in 30 subjects (0.7%). Disorders of the retina and the optic nerve were found in 1.1% of the subjects and corneal disorders in 0.5%. The prevalence of visual impairment was 0.6%, severe visual impairment was 0.05% and blindness was 0.1%. This indicates that most of the ocular disorders encountered were not visually threatening. The main cause of visual impairment is refractive errors and the causes of severe visual impairment and blindness are cataract, corneal opacity and glaucoma. Conclusion: The population of the NCES is relatively young and the prevalence of blindness and visual impairment is low. The main cause of visual impairment was refractive errors and the causes of severe visual impairment and blindness were cataract, corneal opacity and glaucoma. Recommendations: The level of blindness in NCES is low and the project should focus more on rendering eye care and not treatment of blindness. There is need to address the issue of refractive errors as this was one of the main ocular problems encountered. In this survey, it was not possible to perform detailed refraction and hence it was recommend that a refractive error survey be conducted; especially in school going children.

1990

Roger B. Austin, Peter Q. Craufurd, Michael A. Hall, Edmundo Acevedo, da & BSP, Ngugi ECK.  1990.  Carbon isotope discrimination as a means of evaluating drought resistance in barley, rice and cowpeas. Bull. Soc. bot. Fr.l37, Actual. bot. 1:21-30.carbon_isotope_discrimination_as_a_means_of_evalua.pdf

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