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TITLE

YEAR

Nitrogen fixation by common bean (Phaseolus vulgaris L.) in pure and mixed stands in semi-arid south-east Kenya
JM Maingi, CA Shisanya, NM Gitonga, B Hornetz
European Journal of Agronomy 14 (1), 1-12

2001

Somatic embryogenesis and plant regeneration from immature embryos of tropical maize (Zea mays L.) inbred lines
O Ombori, NM Gitonga, J Machuka
Biotechnology 7 (2), 224-232

2008

Biological nitrogen fixation by promiscuous soybean (Glycine max L. Merril) in the central highlands of Kenya: response to inorganic fertilizer soil amendments.
E Mugendi, N Gitonga, R Cheruiyot, J Maingi
World journal of agricultural sciences 6 (4), 381-387

2010

Low technology tissue culture materials for initiation and multiplication of banana plants
NM Gitonga, O Ombori, KSD Murithi, M Ngugi
African Crop Science Journal 18 (4)

2010

Low cost tissue culture technology in the regeneration of sweet potato (Ipomoea batatas (L) Lam)
KO Ogero, GN Mburugu, M Mwangi, MM Ngugi, O Ombori
Res J Biol 2 (2), 71-78

2012

Population levels of indigenous bradyrhizobia nodulating promiscuous soybean in two Kenyan soils of the semi-arid and semi-humid agroecological zones
JM Maingi, NM Gitonga, CA Shisanya, B Hornetz, GM Muluvi
Journal of Agriculture and Rural Development in the Tropics and Subtropics …

2006

Crop water relationships and thermal adaptation of Kathika beans (Phaseolus vulgaris L.) and green grams (Vigna radiata L. Wilczek) with special reference to temporal patterns …
B Hornetz, CA Shisanya, NM Gitonga
Journal of Arid Environments 48 (4), 591-601

2001

In vitro micropropagation of cassava through low cost tissue culture
KO Ogero, GN Mburugu, M Mwangi, O Ombori, M Ngugi
Asian Journal of Agricultural Sciences 4 (3), 205-209

2012

Effect of inoculating selected climbing bean cultivars with different rhizobia strains on nitrogen fixation
G Gicharu, N Gitonga, H Boga, R Cheruiyot, J Maingi
Int. J. Microbiol. Res 1, 25-31

2013

Studies on the Ecophysiology of Locally Suitable Cultivars of Food Crops and Soil Fertility Monitoring in the Semi-arid Areas of Southeast Kenya: A Final Report on a …
B Hornetz, CA Shisanya, NM Gitonga
Geographische Gesellschaft Trier

2000

Nitrogen fixation by Vigna radiata L. Wilczek in pure and mixed stands in SE-Kenya
NM Gitonga, CA Shisanya, B Hornetz, JM Maingi
Symbiosis 27 (3), 239-250

1999

Interaction ofPhaseolus vulgaris with thermotolerant isolates ofRhizobium leguminosarum biovarphaseoli from Kenyan soilsInteraction dePhaseolus vulgaris avec des isolats thermo …
NM Gitonga, D Widdowson, SO Keya
MIRCEN journal of applied microbiology and biotechnology 5 (4), 493-504

1989

Cost-effective nutrient sources for tissue culture of cassava (Manihot esculenta Crantz)
KO Ogero, NM Gitonga, M Mwangi, O Ombori, M Ngugi
African Journal of Biotechnology 11 (66), 12964-12973

2012

Biological nitrogen fixation in selected legumes of the semi-arid Makueni District of Southeast Kenya
JM Maingi, CA Shisanya, NM Gitonga, B Hornetz
Der Tropenlandwirt-Journal of Agriculture in the Tropics and Subtropics 100 …

1999

Enhanced utilization of biotechnology research and development innovations in eastern and central Africa for agro-ecological intensification
CW Masiga, C Mugoya, R Ali, A Mohamed, S Osama, A Ngugi, D Kiambi, …
Challenges and Opportunities for Agricultural Intensification of the Humid …

2014

Managing soybean for enhanced food production and soil bio-fertility in smallholder systems through maximized fertilizer use efficiency
EM Njeru, JM Maingi, R Cheruiyot, GN Mburugu
International Journal of Agriculture and Forestry 3 (5), 191-197

2013

Plant regeneration via somatic embryogenesis of tropical maize (Zea mays L.) commercial hybrid lines
O Omwoyo, NM Gitonga, JM Machuka
Journal of Tropical Microbiology and Biotechnology 4 (1), 24-31

2008

Variation in nitrogen fixation among three Bush Bean cultivars grown in Kenya when inoculated with three Rhizobia Strains
GK Gicharu, NM Gitonga, B Hamadi, RC Cheruiyot, JM Maingi
Greener Journal of Agricultural Sciences 3 (11), 748-754

2012

Low Cost Micropropagation of Local Varieties of Taro
A Ngetich, S Runo, O Ombori, M Ngugi, F Kawaka, P Arusei, N Gitonga
British Biotechnology Journal

2015

Evaluating the macropropagation efficiency of banana varieties preferred by farmers in Eastern and Central Kenya
RM Muasya, MR Kasyoka, M Mwangi, N Kori, N Gitonga

2010

Evaluation of nitrogen fixation using 15N dilution methods and economy of a maize-tepary bean intercrop farming system in semi-arid SE-Kenya
CA Shisanya, NM Gitonga
Advances in Integrated Soil Fertility Management in sub-Saharan Africa …

2007

Response of Two Sweet Potato (Ipomoea batatas L. Lam) Varieties Regenerated on Low Cost Tissue Culture Medium
KO Ogero, GN Mburugu, M Mwangi, O Ombori, MN Mugambi
Journal of Agricultural Science and Technology. B 2 (5B), 534

2012

A low-cost medium for sweet potato micropropagation
KO Ogero, NM Gitonga, M Mwangi, O Ombori, M Ngugi
African Crop Science Conference Proceedings 10, 57-63

2011

Nodulation and nitrogen fixation in promiscuous and non promiscuous soybean (Glycine max (L.) Merrill) varieties in Eastern Kenya
MN Gitonga, GW Gatheri, R Cheruiyot, JM Maingi
Journal of Tropical Microbiology and Biotechnology 6 (1)

2010

Cassava production and limitation of propagation through tissue culture
K Ogero, NM Gitonga, O Ombori, M Ngugi
Contribution of Agricultural Sciences towards achieving the Millenium …

2010

Antibiotic resistance of bacteria isolated from Nairobi River
N Budambula, EC Mwachiro, NM Gitonga

2006

Enhancing farmers’ access to disease-free sweetpotato planting materials through low cost tissue culture for food security and poverty alleviation in Eastern Africa.
K Ogero, M Mwangi, NM Gitonga, O Ombori, M Ngugi

2014

Nitrogen fixation in faidherbia albida (chev) Del
NM Gitonga

2012

Banana distribution and their seed systems in central and eastern Kenya.
MR Kasyoka, M Mwangi, N Kori, JJ Mbaka, N Gitonga
10th African Crop Science Conference Proceedings, Maputo, Mozambique, 10-13 …

2011

Response of two sweet potato varieties regenerated on low cost tissue culture medium
KO Ogero, NM Gitonga, M Mwangi, O Ombori, M Ngugi
African Crop Science Conference Proceedings 10, 411-415

2011

A revised medium for rapid growth and bio assays with tobacco tissue cultures.
LT Bedada, MS Seth, SM Runo, W Tefera, J Machuka, SE Anami, …
Biotechnology 10 (6), 285-295

2010

Preferred banana varieties and their seed systems in Eastern and Central provinces of Kenya
RM Muasya, MR Kasyoka, J Mbaka, N Kori, N Gitonga, M Mwangi

2010

Preferred banana varieties and their seed systems in Eastern and Central provinces of Kenya
MR Kasyoka, M Mwangi, J Mbaka, N Kori, N Gitonga, R Muasya
Second RUFORUM Biennial Regional Conference on” Building capacity for food …

2010

Commercial micro-propagation of Banana.
JN Buah, JW Tachie-Menson, IS Arvanitoyannis, O Vaitsi, A Mavromatis, …
Biotechnology 14 (1), 799-823

2008

Performance of improved cowpea varieties in the ASALs of eastern Kenya under integrated soil fertility management
JM Kimiti, B Vanlauwe, DW Odee, NM Gitonga
Centro Internacional de Agricultura Tropical (CIAT), Tropical Soil Biology …

2007

Performance of improved cowpea varieties in the ASALs of eastern Kenya under integrated soil fertility management [abstract][on line]
JM Kimiti, B Vanlauwe, DW Odee, NM Gitonga

2007

Isolation, molecular characterization and evaluation of local isolates of bacillus thuringiensis against the larger grain borer Prostephanus Truncatus (Horn) And The Maize …
NM Gitonga, JM Songa, J Machuka, JM Wamaitha, NK Maniania, …
Kenya Agricultural Research Institute, Nairobi (Kenya)

2006

Recent advances in engineering plant tolerance to abiotic stress: Achievements and limitations.
J Muoma, O Ombori, M Jesse, A Aharoni, S Dixit, R Jetter, E Thoenes, …
Biotechnology 9 (4), 2463-2480

2004

Regime shift in the global sea-surface temperatures: Its relation to El Nino-Southern Oscillation events and dominant variation modes.
CW Recha, CA Shisanya, GL Makokha, RN Kinuthia, AC Chipanishi, …
Asian Journal of Applied Sciences 1 (2), 339-360

2003

Our objective was to define sensitive morphological indicators that could be used to discriminate between drought sensitive and drought tolerant potato cultivars before final …
M Röhrig, H Stützel
European Journal of Agronomy 14 (1), 31-41

2001

In vitro regeneration by indirect organogenesis of selected kenyan maize genotypes using shoot apices.
RA Omer, J M. Matheka, S Runo, A M. Ali, E Kuria, C Masiga, C Mugoya, …
Biotechnology 11 (4), 1985-1988

2000

Ical Nitrogen Fixation: A Case Study of Semi-Arid Soils in SE-Kenya
NM Gitonga, CA Shisanya, B Hornetz
AFRICAN JOURNAL OF SCIENCE AND TECHNOLOGY 1 (3), 29-33

2000

Development of an efficient plant regeneration protocol for sweet potato (Ipomoea batatas L.).
R Hammond, JN Buah, PA Asare, S Acheampong, D Ajithkumar, S Seeni, …
Asian Journal of Biotechnology 6 (2), 422-426

1998

Transformation of recalcitrant maize elite inbreds using in vitro shoot meristematic cultures induced from germinated seedlings.
O Ombori, NM Gitonga, J Machuka, ALC Dornelles, FIF Carvalho, …
Biotechnology 7 (2), 524-531

1997

Effect of Rhizobium inoculation and fertiliser nitrogen and phosphorus on the grain yield of beans in Western Kenya.
CA Shisanya, JM Anderson, JSI Ingram, SKA Danso, G Hardarson, …
Journal of Agronomy 2 (3), Pages: 232-Pages: 232

1993

Food Legumes.
N Bildirici, N Azkan, S Oehirali, M Engin, MF Gavras, B Partier, M Gok, …
Journal of Agronomy 4 (3), pp: 11-17-pp: 11-17

1989

Interaction ofPhaseolus vulgaris with thermotolerant isolates ofRhizobium leguminosarum biovarphaseoli from Kenyan soils
SO Keya, D Widdowson, NM Gitonga

1989

In vitro Micropropagation of Cassava Through Low Cost Tissue Culture
O Ombori, N Michael, M Mwangi, NM Gitonga, KO Ogero
Assessment of Physico-chemical Properties of Kasarani Section of River Thome, Nairobi
A Karanja, K Kotut, NM Gitonga
Gibson Kamau Gicharu Nkanata Mburugu Gitonga Hamadi Boga Richard Chelule Cheruiyot John M. Maingi
NM Gitonga
Enhancing access to disease-free sweetpotato planting materials through low cost tissue culture for food security and poverty alleviation in Eastern Africa
KO Ogero, M Mwangi, NM Gitonga, O Ombori, M Ngugi
In Vitro Micropropagation of Cassava through Low Cost Tissue Culture
M Mwangi, KO Ogero, GN Mburugu, O Ombori, M Ngugi