Browsing Journal Articles by Author "Palapala, Valerie"
Now showing items 1-18 of 18
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Analysis of AFLP Markers for Screening Resistance to Common Bean Roots Rot (Pythium spp.)
Nyakio K, Maryrose; Palapala, Valerie; Katherine A. Steele, Katherine A.; Otsyula, Reuben (American Journal of Experimental Agriculture, 2015)Aims: To investigate AFLPs for suitability as potential markers for identification of sources of Pythium resistance in bean genotypes preferred by poor small holder farmers. Place and Duration of Study: Department of ... -
Comparative analysis of phenotypic characterization of Kenya and Pacific Islands tarogen germplasm collections Colocasia esculenta L. (Schott)
Palapala, Valerie; Netondo, G; Akwee, Edome Peter (2015-08-21)Fifty accessions of taro germplasm collections Colocasia esculenta L. Received: 15 November, 2014 (Schott) were collected from Kenya and Pacific Islands tarogen germplasm collections. Twenty five accessions of Kenyan ... -
Effect of Eco-Physiological Variability in Leucaena leucocephala Growth and Development
Palapala, Valerie; Kodiango, R. O. (International Journal of Plant & Soil Science, 2016-05-09)The effect of eco-physiological differences in two sites on growth and development of Leucaena was assessed. A 2-factor (provenance-site) experiment in a completely randomized design with three (3) replications was set ... -
Effect of Water logging on Selected Morphological Characteristics in Maize
Palapala, Valerie; Nyamolo, Moses (2016-05-19)A greenhouse experiment was conducted to determine waterlogging tolerance in acidic soils for maize crop improvement in low lying flood prone regions of Western Kenya where waterlogging is a severe problem. Three replicates ... -
Effect of wheat bran supplementation with fresh and composted agricultural wastes on the growth of Kenyan native wood ear mushrooms [Auricularia auricula (L. ex Hook.) Underw.]
Palapala, Valerie; Otieno, C. A.; Onyango, B. O. (2015-08-21)Nutrient supplements and agricultural wastes used for mushroom cultivation are important in improving establishment and production of mushrooms. Agricultural wastes such as sawdust, grass, sugarcane bagasse, wheat straw ... -
Evaluation of Polymorphism Generated By Single Sequence Repeat Markers in Selected Taro Populations
Palapala, Valerie; Akwee, Edome Peter (Journal of Medical and Biological Science Research, 2016-08-03)Genetic structure of Kenya and Secretariat of Pacific Community’s Tarogen taro germplasm was investigated. Fifty cultivars were evaluated using six SSR primer combinations. Significant polymorphic variations within the ... -
Farmers’ perceptions on adoption of Bambara nut production as a food security crop in Kakamega county, Kenya
Palapala, Valerie (2015-08-21)This study was conducted between April and December 2011 to examine perception of smallholder farmers in four districts of Kakamega County, Kenya in adoption of Bambara nut production as food security crop. The study was ... -
Gender Influence on Farmer’s Level of Involvement in Utilization and Conservation of Bambara Groundnut
Palapala, Valerie; Oyugi, Millicent; Amudavi, David (2015-08-21)Aims: To understand the role of gender on Bambara groundnut cultivation with respect to levels of farmers’ involvement in utilization and conservation in Western Kenya. Study Design: A questionnaire was administered to ... -
Genetic diversity analysis of Kenyan taro [Colocasia esculenta (L.) Schott] accessions using SSR markers
Palapala, Valerie; Akwee, Edome Peter (Sky Journal of Agricultural Research, 2016-07-08)Six SSR primer pairs were used to characterize 25 taro genotypes of Kenya. A total of 30 polymorphic alleles were generated. The number of alleles per locus ranged from 1 to 6 alleles, with an average of 3.0425 alleles ... -
Genetic Diversity of Dry Bean (Phaseolus vulgaris L.) Accessions of Kenya Using SSR Markers
Nyakio, Kithinji Maryrose; Steele, Andrea Katherine; Palapala, Valerie (American Journal of Experimental Agriculture, 2014-08-13)Aims: To determine the genetic diversity existing within the Kenyan dry bean using SSR markers. Place and Duration of Study: This study was conducted in Western Kenya and Bangor University, North Wales, between September ... -
Genetic structure and diversity of East African taro [Colocasia esculenta (L.) Schott]
Palapala, Valerie; Macharia, Mercy Wairimu; Runo, Steven Maina; Muchugi, Alice Njeri (2015-08-21)Taro [Colocasia esculenta (L) Schott] is mainly produced in Africa by small holder farmers and plays an important role in the livelihood of millions of poor people in less developed countries. The genetic diversity of ... -
Genetic Structure and Geographical Relationship of Selected Colocasia esculenta [L. Schott] Germplasm Using SSRs
Palapala, Valerie; Akwee, Edome Peter (Journal of Advances in Biology & Biotechnology, 2016-11-17)Aims: SSR markers were used to infer population genetic structure variability in taro cultivars with the objective of characterizing the allelic diversity of each geographical population. Place and Duration of Study: ... -
Influence of Farmers’ Socio-economic Characteristics on Adoption of Bambara Nut Production in Western Kenya
Palapala, Valerie; Luvembe, Samuel Wasula (Asian Journal of Agricultural Extension, Economics & Sociology, 2016-11-26)A survey was conducted to determine the effect of the socio-economic and institutional factors on farmers’ adoption of Bambara nut as food security crop. Purposive survey research design was used to generate both qualitative ... -
Influence of Gender on Farmers’ level of Involvement in Bambara Production Activities in Western Kenya
Oyugi, Millicent; Nandi, O. M. J.; Amudavi, David; Palapala, Valerie (Asian Journal of Agricultural Extension, Economics & Sociology, 2014-09-24)Aims: The study was conducted to determine the relationship of gender and farmer’s involvement in the production activities of Bambara groundnut, the local crop which is intended for productionfor-use. Study Design: ... -
Maize Response to Micro Dose Inorganic Inputs on an Acid Smallholder Farm in Kenyan Lower Midland
Palapala, Valerie; Kisinyo, Peter (Pearl Research Journals, 2016-09-13)The study determined nitrogen, phosphorus fertilizers and lime micro doses effects on soil chemistry and maize performance on an acid soil smallholder farm. Treatments were micro doses (50% of recommendations) of N (0 and ... -
Micro-Dosing of Lime, Phosphorus and Nitrogen Fertilizers Effect on Maize Performance on an Acid Soil in Kenya
Kisinyo, Peter; Gudu, Samuel; Palapala, Valerie; Opala, P. A.; Othieno, Caleb; Ouma, Evans Ochieng (Sustainable Agriculture Research, 2015-03-17)High cost of inorganic fertilizers and lime has precluded their use by smallholder farmers to remedy the problem of soil acidity and infertility in Kenya. To address the problem, we tested a precision technique referred ... -
Performance of Leucaena leucocephala, Seedlings in Two Agro-climatic Regions of Kenya
Gudu, Samuel; Palapala, Valerie; Kodiango, R. (Journal of Agriculture and Ecology Research International, 2016-02-17)A study was conducted to determine the response of Leucaena seedlings planted in two variant agro-climatic regions, Chepkoilel Campus and Maseno in Kenya. The experiment was a 2-factor (provenance – site) split plot ... -
Response of Leucaena leucocephala (Lam.) De Wit (Leucaena) Provenances to Aluminium in Potted Soil Experiment
Onkware, Augustino; Gudu, Samuel; Palapala, Valerie; Kisinyo, Peter (2015-08-21)Aims: To determine the level of acid or aluminium tolerance provenances in Leucaena (Leucaena leucocephala) a favourite agroforestry tree in Kenya. Study Design: The set up was a 2-factor (provenance-aluminium) experiment ...