Browsing by Author "Nyende, A.B."
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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 ... -
Evaluating diversity among Kenyan sweet potato genotypes using morphological and SSR markers
Karuri, H.W.; Ateka, E.M.; Amata, R.; Nyende, A.B.; Muigai, A.W.T.; Mwasame, E.; Gichuki, S.T. (2010)Genetic diversity of 89 sweet potato genotypes was evaluated using morphological and molecular markers. Eighteen aerial and sixteen storage root characters were used in the morphological characterization. Analysis of ... -
Occurrence of Ck-1 gene conferring resistance to Coffee Berry Disease in Coffea arabica cv. Ruiru 11 and its parental genotypes
Gichimu, Bernard M.; Gichuru, E. K.; Mamati, George E.; Nyende, A.B. (Scienceweb Publishing, 2014-03)Resistance to Coffee Berry Disease (CBD) in Coffea arabica cv. Ruiru 11 is known to be controlled by among others, the T (Ck-1) gene from Robusta coffee (Coffea canephora Pierre). The cultivar reportedly presents significant ... -
Occurrence of Ck-1 gene conferring resistance to Coffee Berry Disease in Coffea arabica cv. Ruiru 11 and its parental genotypes
Gichimu, Bernard M.; Gichuru, E. K.; Mamati, George E.; Nyende, A.B. (SCIENCEWEB PUBLISHING, 2014-03)Abstract. Resistance to Coffee Berry Disease (CBD) in Coffea arabica cv. Ruiru 11 is known to be controlled by among others, the T (Ck-1) gene from Robusta coffee (Coffea canephora Pierre). The cultivar reportedly presents ... -
Selection of Ruiru 11 hybrid sibs on raw coffee quality
Gichimu, Bernard M.; Gichuru, E. K.; Mamati, George E.; Nyende, A.B. (2012-06)The economic value of Arabica coffee (Coffea arabica L.) is determined mainly by the yield potential, the size and shape of raw beans and beverage quality. Bean quality reportedly differ depending on the variety, environmental ... -
Selection within Coffea arabica cv. Ruiru 11 for high cup quality
Gichimu, Bernard M.; Gichuru, E. K.; Mamati, George E.; Nyende, A.B. (Academic Journals, 2012-09-26)In recent years, consumer awareness about the quality of different coffees has increased and therefore production and supply of coffee with excellent quality attach more significance. As a result, many coffee producing ... -
Variation and Association of Cup Quality Attributes and Resistance to Coffee Berry Disease in Coffea Arabica L. Composite Cultivar, Ruiru 11
Gichimu, Bernard M.; Gichuru, E. K.; Mamati, George E.; Nyende, A.B. (2013-12)Majority of reported work on coffee breeding primarily concerns agronomic improvement that directly impinges on coffee quality. However, it is crucial that coffee breeding programmes for disease resistance also include ... -
Yield Selection within Coffea arabica cv. Ruiru 11
Gichimu, Bernard M.; Nyende, A.B.; Gichuru, E. K.; Mamati, George E. (SCIENCEDOMAIN international, 2012-08-17)Aims: This study was aimed at identifying high yielding Ruiru 11 sibs in varying growing conditions. The study also intended to measure the extent to which cherry yields of Ruiru 11 are affected by the environment. Study ...