Browsing Journal Articles by Author "Gichimu, Bernard M."
Now showing items 1-20 of 51
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Adoption Determinants of Adapted Climate Smart Agriculture Technologies Among Smallholder Farmers in Machakos, Makueni, and Kitui Counties of Kenya
Muriithi, Lydia N.; Onyari, Charles N.; Mogaka, Hezron R.; Gichimu, Bernard M.; Gatumo, Geoffrey N.; Kwena, Kizito (2021-04)The study examined the adoption determinants of adapted climate smart agriculture (CSA) technologies among smallholder farmers. A multi-stage sampling procedure was used to select a total sample of 384 households. Percentages ... -
Agro-morphological characterization of horned melon (Cucumis metuliferus) accessions from selected agro-ecological zones in Kenya
Owino, Marline H.; Gichimu, Bernard M.; Muturi, Phyllis W. (Australian Journal of crop science, 2020-09)Morphological characterization of genotypes is fundamental in providing information on their genetic status to guide on their conservation and improvement. The objective of this study was to determine agro-morphological ... -
Agro-Morphological Characterization of Kenyan Slender Leaf (Crotalaria brevidens and C. ochroleuca) Accessions
Mwakha, Fridah A.; Gichimu, Bernard M.; Neondo, ohnstone O.; Kamau, Peter K.; Odari, Eddy O.; Muli, Joshua K.; Budambula, Nancy (Hindawi, 2020-04)Slender leaf (Crotalaria spp) is among the indigenous and underutilized vegetables in Kenya whose production is limited to the Western and Coastal regions of the country. For a long time, this crop has been neglected in ... -
Agronomic Performance of three most Popular Commercial Watermelon Cultivars in Kenya as Compared to one newly introduced cultivar and one local Landrace grown on Dystric Nitisols under Sub- Humid Tropical Conditions
Gichimu, Bernard M.; Owuor, B. O.; Dida, M. M. (Asian Research Publishing Network (ARPN)., 2008-11)Agronomic performance trial involving five cultivated watermelon accessions available in Kenya was conducted at Maseno University Research Fields for two seasons between year 2007 and 2008. The accessions included three ... -
Antimicrobial Activity of Foliar Fertilizer Formulations and their Effect on Ice Nucleation Activity of Pseudomonas syringae Pv. garcae Van Hall; the Causal Agent of Bacterial Blight of Coffee
Mugiira, R. B.; Arama, P. F.; Macharia, J. M.; Gichimu, Bernard M. (Academic Journals, 2011)This study was carried out with the broad objective of assessing the potential for control of Bacterial Blight of Coffee (BBC) using foliar fertilizer applications to Inhibit Ice Nucleation Activity (INA) of the causative ... -
Assessment of Four Commercial Watermelon Cultivars and one Local Landrace for Their Response to Naturally Occurring Diseases Pests and Non-Pathogenic Disorders in Sub-Humid Tropical Conditions
Gichimu, Bernard M.; Owuor, B.O; Dida, M. M. (Asian Research Publishing Network (ARPN), 2008-09)Four commercial watermelon cultivars available in Kenya and one local landrace were evaluated for their susceptibility/resistance to naturally occurring diseases, pests and non-pathogenic disorders. The accessions included ... -
Biochemical Composition Within Coffea arabica cv. Ruiru 11 and Its Relationship With Cup Quality
Gichimu, Bernard M.; Gichuru, E. K.; Mamati, George E.; Nyende, A.B. (Canadian Center of Science and Education, 2014-01-14)Biochemical composition appears to be influenced by both genetic factors and plant growth conditions. The main objective of this study was to evaluate the biochemical composition of selected Ruiru 11 sibs and its relationship ... -
Characterization of the Volatile Components of Essential Oils of Selected Plants in Kenya
Mugao, Lydia G.; Gichimu, Bernard M.; Muturi, Phyllis W.; Mukono, Simon T. (Hindawi, 2020-12)Essential oils are secondary metabolites that plants produce for protection from pests and predators, attraction of pollinators, and seed dispersal. )e oils are made up of a mixture of compounds that give a characteristic ... -
Coffee Breeding in Kenya: Achievements, Challenges and Current Focus
Gichimu, Bernard M. (2015)Coffee production in Kenya is seriously constrained by two fungal diseases namely Coffee Berry Disease (CBD) caused by Colletotrichum kahawae (Waller & Bridge) and Coffee Leaf Rust (CLR) caused by Hemileia vastatrix (Berk. ... -
Coffee Sustainability in Kenya: Role Played by Improved Varieties
Gichimu, Bernard M. (2015)Coffee production in Kenya has been sinking since 1980s. The condition has been worsened by climate change phenomenon which has brought new production challenges in recent years. The biggest challenge is the changing ... -
Combining CBD Resistance with High Yields and Good Cup Quality: Success case in Ruiru 11 Cultivar
Gichimu, Bernard M.; Gichuru, E. K.; Mamati, G. E.; Nyende, A. B. (2015)Coffea arabica cv. Ruiru 11 is a composite of sixty six (66) F1 hybrid sibs each derived from a cross between a specific female and male population. The pedigree of Ruiru 11 consist of CBD resistance donors, Rume Sudan ... -
Comparative Antibacterial Effects of Raw Extracts and Essential Oils of Ocimum gratissimum L. against Ralstonia solanacearum (Smith)
Wagura, A. G.; Kimeju, J. W.; Gichimu, Bernard M. (Knowledge Review, 2011)Raw and processed products of Ocimum gratissimum reportedly contain some antibacterial effects. In this study, raw plant extracts and essential oils derived from leaves of Ocimum gratissimum were screened for their ... -
Comparing the yield components of three most popular commercial watermelon cultivars in Kenya with one newly introduced cultivar and one landrace
Gichimu, Bernard M.; Owuor, B.O; Dida, M. M. (Academic Journals, 2009-06)High yield is a major goal for watermelon (Citrullus lanatus) breeders. The objective of this study was to compare the yield components of some watermelon accessions available in Kenya and to identify high yielding ... -
Drought and heat tolerance in coffee: a review
Gichimu, Bernard M.; Cheserek, J.J. (2012-12)Climatic variability is the main factor responsible for the fluctuations in the coffee yield in the world. The relationships between the climatic parameters and the agricultural production are quite complex, because ... -
Drought and heat tolerance in coffee: a review
Cheserek, J.J; Gichimu, Bernard M. (International Research Journals, 2012-12)Climatic variability is the main factor responsible for the fluctuations in the coffee yield in the world. The relationships between the climatic parameters and the agricultural production are quite complex, because ... -
Early Agronomic Performance of Some New and Existing Arabica Coffee Varieties in Kenya
Gichimu, Bernard M.; Omindi, C. O.; Gichuru, E. K. (2015)The primary goal of plant breeding is to improve yield, quality and disease resistance. However, majority of reported work on coffee breeding primarily concerns agronomical improvement that directly impinges on either ... -
Early Assessment of Growth and Yield Characters of five newly developed lines of Arabica Coffee in two environments and spacings in Kenya
Gichimu, Bernard M.; Omondi, C. (2010)Knowledge of the effects of environment and genotype by environment (GxE) interaction is important to breeders in making decisions regarding the release of new cultivars. Five Coffea arabica lines coded CR8, CR22, CR23, ... -
Early performance of five newly developed lines of Arabica Coffee under varying environment and spacing in Kenya
Gichimu, Bernard M.; Omondi, C. (2010)Knowledge of the effects of environment and genotype by environment (GxE) interaction is important to breeders in making decisions regarding the release of new cultivars. Five Coffea arabica lines coded CR8, CR22, CR23, ... -
Effect of Different Watering Regimes on Agromorphology of Selected Coffee Genotypes
Gichimu, Bernard M.; Cheserek, J. J; Mushimiyamana, D.; King’oro, M. W. (SCIENCEDOMAIN international, 2014-01-27)Aims: The aim of this study was to determine the effect of different watering regimes on selected coffee genotypes and to evaluate drought tolerance among selected coffee genotypes. The study also aimed at determining ... -
Effects of Selected Plants' Extracts on in vitro Growth of Rahtonia slanacearum (Smith), the Causal Agent of Bacterial Wilt of Irish Potatoes
Wagura, A. G.; Wangai, S. O.; Manguro L.; Gichimu, Bernard M. (Asian Network For Scientific Information, 2011)The antibacterial effect of crude medicinal plant extracts of Ocimum gratissimum, Brassica oleracea var. botrytis and Ipomoea batatas on Rahtonia solanacearum (Smith) extracted from infected potato tubers was determined ...