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Browsing Journal Articles by Author "Kamunya, S. M."

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Assessment of the mating system of Camellia sinensis in biclonal seed orchards based on PCR markers

Wachira, Francis N.; Muoki, R. C.; Pathak, R. S.; Kamunya, S. M. (Taylor & Francis, 2007)

The mating system parameters of tea (Camellia sinensis) were determined in four isolated biclonal seed orchards using two PCR-based marker technologies, Randomly Amplified Polymorphic DNA (RAPD) and Inter-Simple Sequence ...
Clonal tea response to varying nursery rooting media

Wachira, Francis N.; Kamunya, S. M.; Rotich, S.; Wanyoko, J. K. (2003)
Genetic mapping and identification of quantitative trait loci for yield and drought tolerance in tea (Camellia sinensis (L.) O. Kuntze).

Wachira, Francis N.; Kamunya, S. M.; Pathak, R. S.; Sharma, R. K.; Korir, R.; Kinyangi, T.; Kiplang'at, J.; Sharma, V.; Chalo, R.; Ahuja, P. S. (Tea Research Foundation of Kenya, 2009)

The tea industry plays significant role to the economies of tea growing countries leading to generation of foreign exchange and improved livelihoods. Efficient breeding and selection of improved tea (Camellia sinensis (L.) ...
Genomic mapping and testing for quantitative trait loci in tea ( Camellia sinensis (L.) O. Kuntz

Wachira, Francis N.; Kamunya, S. M.; Pathak, R. S.; Korir, R.; Sharma, V.; Kumar, R.; Bhardwaj, P.; Chalo, R.; Ahuja, P. S.; Sharma, R. K. (Springer Verlag, 2010)

The tea industry is significant in the economies of tea-growing countries. Prospects of improving yield of made tea genomic information were explored using clones from a cross between clones TRFCA SFS150 and AHP S15/10. ...
Kenyan teas are rich in antioxidants

Wachira, Francis N.; Kamunya, S. M. (Tea Research Foundation of Kenya, 2005)

Tea is currently the single largest agribusiness in Kenya. Due to its profitability, tea industry has expanded tremendously over the 70 years of its existence in the country. The increase in acreage coupled with the increase ...
Performance and genetic stability for yield and quality of improved tea clones in Kenya and Tanzania

Wachira, Francis N.; Kamunya, S. M.; Msomba, S.; Makola, L.; Cherotich, L.; Korir, R.; Kamau, P.; Ndunguru, B. J. (Tea Research Foundation of Kenya, 2012-07)

Tea is grown in areas which differ widely in elevation, climatic and edaphic factors. These differences have profound effect on growth, productivity and quality of tea. A collaborative study between the Tea Research ...
Physiological and biochemical response of tea [ Camellia sinensis (L.) O. Kuntze] to water-deficit stres

Maritim, T. K.; Kamunya, S. M.; Mireji, P.; Mwendia, C.; Muoki, R. C.; Cheruiyot, E. K.; Wachira, Francis N. (Taylor & Francis, 2015)

A study to determine the physiological and biochemical responses of eight tea [Camellia sinensis (L.) O. Kuntze] cultivars to water-deficit stress was conducted in a ‘rain-out shelter’ using potted plants. Three levels of ...
Physiological and biochemical response of tea [ Camellia sinensis (L.) O. Kuntze] to water-deficit stress

Wachira, Francis N.; Maritim, T. K.; Kamunya, S. M.; Mireji, P.; Mwendia, C.; Muoki, R. C.; Cheruiyot, E. K. (Taylor & Francis, 2015)

A study to determine the physiological and biochemical responses of eight tea [ Camellia sinensis (L.) O. Kuntze] cultivars to water-deficit stress was conducted in a ‘rain-out shelter’ using potted plants. Three levels ...
Physiological and biochemical response of tea [Camellia sinensis (L.) O. Kuntze] to water-deficit stress

Wachira, Francis N.; Maritim, T. K.; Kamunya, S. M.; Mireji, P.; Mwendia, C.; Muoki, R. C.; Cheruiyot, E. K. (Taylor & Francis, 2015)

A study to determine the physiological and biochemical responses of eight tea [Camellia sinensis (L.) O. Kuntze] cultivars to water-deficit stress was conducted in a ‘rain-out shelter’ using potted plants. Three levels of ...
Potential male gametophyte competition among camellia sinensis genotypes in isolated biclonal seed orchards

Wachira, Francis N.; Muoki, R. C.; Pathak, R.; Kamunya, S. M. (African Crop Science Society, 2007)

Male fertility of crop plants is a function of pollen production and viability. In breeding, it is a requirement that there be similar fertilities among breeding parents within seed orchards. An in-vitro germination method ...
Quantitative genetic parameters in tea ( Camellia sinensis (L.) O. Kuntze): I. combining abilities for yield, drought tolerance and quality traits

Wachira, Francis N.; Kamunya, S. M.; Pathak, R. S.; Muoki, R. C.; Wanyoko, J. K.; Ronno, W. K.; Sharma, R. K. (Academic Journals, 2009-05)

The combining abilities for yield, drought tolerance and quality related traits in Camellia sinensis were estimated using a 4 x 4 full diallel mating design. There was significant phenotypic variation for the nine ...
The tea research foundation of Kenya pre-releases purple tea variety for processing health tea product.

Wachira, Francis N.; Kamunya, S. M.; Nyabundi, K. W.; Kerio, L.; Chalo, R. M. (Tea Research Foundation of Kenya, 2009)

The Tea Research Foundation of Kenya (TRFK) has pre-released a purple tea variety, TRFK 306/1 for commercial utilization targeting a unique tea product - anthocyanin-rich tea. The new variety has comparable yield performance ...
TRFK SET to release a new clone trfk 371/8 for commercial use

Wachira, Francis N.; Kamunya, S. M.; Muoki, R. C.; Maritim, T. (Tea Research Foundation of Kenya, 2012-07)

The Tea Research Foundation of Kenya (TRFK) is set to release a new tea clone. The clone, TRFK 371/8 has been undergoing evaluation for the last 18 years in clonal field and adaptability trials alone since selection from ...

Browsing Journal Articles by Author "Kamunya, S. M."

Browsing Journal Articles by Author "Kamunya, S. M."

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