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Department of Biological & Physical Sciences: Recent submissions

Now showing items 1-20 of 64

EFFECT OF INTENSITY AND FREQUENCY OF LEAF HARVESTING ON GROWTH, NODULATION, AND YIELD OF SELECTED COWPEA VARIETIES

Kidum, A; George N.Chemining'wa; Kinama, J; Mac, D (EAST AFRICAN JOURNAL OF SCIENCE, TECHNOLOGY AND INNOVATION, 2022-06)

Cowpea (Vigna unguiculata (L.) Walp) is a leguminous crop widely cultivated across the world and is considered more useful than other vegetables particularly in Sub-Saharan Africa. The objective of this study was to ...
ASSESSMENT OF AGRONOMIC TRAITS OF SELECTED SPIDER PLANT (CLEOME GYNANDRA L.) ACCESSIONS

Enock Mosenda, George N. Chemining’wa, Jane Ambuko, Willis Owino (Journal of Medicinally Active Plants, 2021-12-21)

Spider plant (Cleome gynandra L.) is an African indigenous vegetable with great potential to improve food and nutritional security and incomes among resource-poor communities in Africa. However, there is limited information ...
GENOTYPE BY ENVIRONMENT ANALYSIS OF RICE (ORYZA SATIVA L.) POPULATIONS UNDER DROUGHT STRESSED AND WELL-WATERED ENVIRONMENTS

Lourine Chebet Bii, , Kahiu Ngugi , John M. Kimani , George N. Chemining’wa (Australian Journal of Crop Science, 2020)

In Kenya, the key abiotic stress affecting rice production is drought stress which is experienced mainly during reproductive phase of the crop. This study evaluated the performance of Kenyan rice populations including 19 ...
Multiple Mycotoxins in Kenyan Rice

Samuel K. Mutiga , J. Musembi Mutuku , Vincent Koskei , James Kamau Gitau , Fredrick Ng’ang’a , Joyce Musyoka , George N. Chemining’wa, Rosemary Murori (Toxins, 2021)

Multiple mycotoxins were tested in milled rice samples (n = 200) from traders at different milling points within the Mwea Irrigation Scheme in Kenya. Traders provided the names of the cultivar, village where paddy was ...
GROWTH OF RICE VARIETIES IN DIFFERENT KENYAN SOIL TYPES UNDER WATER-DEFICIT CONDITIONS

Magoti Rahab , Mayumi Kikuta , George N. Chemining’wa , Josiah Kinama , John Kimani, Hiroaki Samejima, Patrick Gicheru , Daigo Makihara (Canadian Center of Science and Education, 2022-03)

The growth of 20 rice varieties, including both lowland and upland varieties, was evaluated in Kenya under well-watered and water-deficit conditions in four different soil types (black cotton, red clay, volcanic ash, and ...
EFFECT OF TILLAGE PRACTICE ON SOIL MOISTURE RETENTION UNDER THREE SELECTED COWPEA VARIETIES

R. N. Khaemba, J. M. Kinama George N. Chemining’wa (International Journal of Plant & Soil Science, 2022-03)

Aim: To evaluate the effect of tillage practice on soil moisture retention under three cowpea varieties.Study Design: The treatments were laid out in a randomized complete block design with a factorial arrangement and ...
EVALUATION FOR SEED YIELD AND RELATED TRAITS AMONG ECOTYPES OF CENCHRUS CILIARIS L.

Kirwa, E. C.,Ngugi, E. K.,George N. Chemining’wa, Mnene, W. N. (RUFORUM Working Document Series, 2022-03)

Cenchrus ciliaris is widely promoted as a choice grass species for reseeding Arid and Semi-arid Lands (ASALs). Nine ecotypes of C. ciliaris collected from selected sites in Kenyan ASALs were evaluated for seed yield and ...
INFLUENCE OF P FERTILISER ON NODULATION, GROWTH AND NUTRIENT CONTENT OF COWPEA (VIGNA UNGUICULATA L.) IN ACIDIC SOILS OF SOUTH WESTERN KENYA

George N. Chemining’wa , J. K. Ngeno, M. J. Hutchinson and S. I. Shibairo; George N. Chemining’wa , J. K. Ngeno, M. J. Hutchinson and S. I. Shibairo (International Journal of Plant & Soil ScienceInternational Journal of Plant & Soil Science, 2022-03)

Field experiments were carried out in Kericho East (0°22' S, 35°17' E) and Bomet central (0°47' S, 35°21' E) to determine the effects of liming and phosphorous (P) fertiliser on nodulation, growth, yield and nutrient content ...
EFFECT OF TILLAGE PRACTICE ON GROWTH AND YIELD OF THREE SELECTED COWPEA VARIETIES

R. N. Khaemba, J. M. Kinama and George N. Chemining’wa (American Journal of Experimental Agriculture, 2022-03)

Aim: To evaluate the influence of tillage practice on growth and yield performance of three cowpea varieties. Study Design: The treatments were laid out in a randomized complete block design with a factorial arrangement ...
SOCIO-DEMOGRAPHIC AND CULTURAL DETERMINANTS OF FAMILY PLANNING UPTAKE AMONG WOMEN OF CHILDBEARING AGE IN TURKANA CENTRAL SUB-COUNTY, KENYA

Daniel Mutiso Mweu; Catherine Gichunge; Joseph Juma Nyamai (International Journal of Innovative Research & Development, 2019)

Family planning (FP) uptake is a key indicator of maternal and neonatal morbidity and mortality. Despite concerted efforts to increase the level of family planning uptake, the acceptability and coverage of FP services has ...
FACTORS ASSOCIATED WITH HOUSEHOLD DIETARY DIVERSITY AMONG INTERNALLY DISPLACED PERSONS IN NAKWAMEKWEI CAMP, KENYA

Catherine Gichunge, Arpita Das, Daniel Mutiso, Gladys Jepkemoi (World Journal of Nutrition and Health, 2022)

The objective of this study was to assess factors associated with household dietary diversity score (HDDS) among internally displaced persons (IDPs) in Nakwamekwei IDP camp. A total of 159 IDPs aged≥18 years were recruited ...
EVALUATION FOR SEED YIELD AND RELATED TRAITS AMONG ECOTYPES OF CENCHRUS CILIARIS L.

Kirwa, E. C., Ngugi, E. K., George N. Chemining’wa, N. Mnene, W. N. (Kenya Agricultural and Livestock Research Organization, 2022-03)

Cenchrus ciliaris is widely promoted as a choice grass species for reseeding Arid and Semi-arid Lands (ASALs). Nine ecotypes of C. ciliaris collected from selected sites in Kenyan ASALs were evaluated for seed yield and ...
HETEROSIS AND COMBINING ABILITY FOR GRAIN AND BIOMASS YIELD IN SORGHUM HYBRIDS FOR THE SEMI-ARID LOWLANDS OF EASTERN KENYA

Felister M Nzuve , Eric O. Manyasa , George N. Chemining’wa (Academic Research Journal of Agricultural Science and Research, 2022-03)

Sorghum [Sorghum bicolor (L.) Moench] is an important cereal crop used for food, feed, and industrial raw material. In Kenya, it’s a food and nutritional security crop in the semi-arid areas which are prone to maize ...
NUTRITIVE COMPOSITION OF ERAGROSTIS SUPERBA PEYR AND CENCHRUS CILIARIS L. COLLECTIONS FROM THE ASALS OF KENYA

Everlyne C Kirwa, Kiarie Njoroge , George N.Chemining’wa, William N Mnene (Department of Plant Science and Crop Protection, 2022-03)

A study was conducted in the southern rangelands of Kenya to establish the nutritive value of ecotypes of Cenchrus ciliaris and Eragrostis superba. A total of eleven ecotypes for C. ciliaris and nine for E. superba ...
RELATIONSHIPS BETWEEN AGRONOMIC PRACTICES, SOIL CHEMICAL CHARACTERISTICS AND STRIGA REPRODUCTION IN DRYLAND AREAS OF TANZANIA

Kudra Abdul, , George N. Chemining’wa, Richard N. Onwonga (Journal of Agricultural Science and Technology, 2022-03)

The parasitic weed Striga poses a serious threat to cereal production in sub-Saharan Africa. For many years, technological packages for the control of this weed were proposed and implemented on farmers’ fields. A survey ...
ABUNDANCE OF INDIGENOUS RHIZOBIA NODULATING COWPEA AND COMMON BEAN IN CENTRAL KENYAN SOILS

George N.Chemining’wa *, Theuri SWM , Muthomi JW (Department of Plant Science and Crop Protection, 2022-02)

The abundance of indigenous soil rhizobia can determine whether a legume would respond to inoculation or not. This study was therefore conducted to determine the population size of indigenous soil rhizobia nodulating ...
EFFECT OF INCORPORATING LABLAB BIOMASS IN SOILS ON ROOT ROT DISEASE COMPLEX AND YIELD OF BEANS INTERCROPPED WITH MAIZE

Muthomi , J. W.*, Mugambi , I. K., Ojiem , J., George N.Chemining’wa and Nderitu , J. H. (International Academic Journals, 2022-01)

Root rot is a major constraint to bean production in western Kenya causing poor crop stand and high yield losses. The disease is caused by a complex different pathogens which together exhibit synergistic effects. The ...
EFFECT OF TILLAGE PRACTICE ON GROWTH AND YIELD OF THREE SELECTED COWPEA VARIETIES

R. N. Khaemba, J. M. Kinama George N. Chemining’wa (Journal of Experimental Agriculture International, 2021-02)

To evaluate the influence of tillage practice on growth and yield performance of three cowpea varieties. Study Design: The treatments were laid out in a randomized complete block design with a factorial arrangement and ...
Effect of Tillage Practice on Growth and Yield of Three Selected Cowpea Varieties

R. N. Khaemba J. M. Kinama George N. Chemining’wa (Journal of Experimental Agriculture International, 2021-02)

To evaluate the influence of tillage practice on growth and yield performance of three cowpea varieties. Study Design: The treatments were laid out in a randomized complete block design with a factorial arrangement and ...
ANTHESIS TO SILKING INTERVAL USEFULNESS IN DEVELOPING DROUGHT TOLERANT MAIZE

Kahiu Ngugi , Jerono cheserek ,Cecilia Much , George chiming'wa (Journal of Renewable Agriculture, 2021-02)

Maize, the most important stable crop in Kenya is affected by drought stress mostly at flowering stages causing delay in silk emergence. The Anthesis to Silking Interval (ASI) is highly correlated to grain yields under ...

Now showing items 1-20 of 64

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