Browsing Faculty of Agriculture & Veterinary Medicine (FAg / FVM) by Title
Now showing items 1595-1614 of 2990
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Generation Mean Analysis For Diplodia Ear Rot Resistance In Tropical Maize Inbred Lines
(University Of Nairobi, 2016)Diplodia ear rot caused by Stenocarpella maydis (Berk) Sutton is one of the most important fungal diseases of maize in the tropics. Breeding programs in Eastern and Southern Africa have developed maize inbred lines with ... -
The genesis, classification and erosion susceptibility of the soils of the semi - arid Sirima and Mukogodo catchments, Laikipia District, Kenya.
(Department of soil science, University of Nairobi, 1991-12)The two study catchments are Mukogodo and Sirima in Laikipia District. The objectives of this study were: to study the influence of soil forming factors on the development of the soils of the study areas; to study the ... -
Genetic analyses of pod shattering and agronomic traits of soybean (glycine max (l.) merr.) genotypes
(University of Nairobi, 2018)Pod shattering is an important constraint associated with 34 to 99% loss in productivity of soybean (Glycine max (L.) Merr.). Common management strategies such as early harvesting and harvesting when temperature is still ... -
Genetic analysis of resistance to maize streak virus among mid-altitude maize inbred lines
(University of NairobiDepartment of plant science and crop protection, 2009)Maize streak virus disease (MSVD) is the most destructive viral disease of maize in the Sub- Saharan Africa. In Kenya, the disease results in reduction of crop dry matter and grain yields. Like most foliar disease, the ... -
Genetic analysis of sweet potato (ipomoea batatas (l) lam) genotypes for beta carotene content and root yield in Kenya.
(University of Nairobi, 2017)Vitamin A deficiency is a major challenge in most of the African countries including Kenya. Several strategies have been applied to fight this challenge, but the most effective strategy is the improvement of the available ... -
Genetic analysis of yield traits and malting quality characters in barley (hordeum vulgare)
(Agriculture, 1980)Barley (Hordeum Valgae L.) is grown in Kenya mainly for malting purposes. The established malting cultivars are Proctor, Research and Tumaini The cultivar amani is grown on a limited scale for livestock feed. Barley ... -
Genetic and environmental aspects of reproductive perforhance and pre-weaning growth of three pig breeds in large-scale herds in Kenya
(Departmeni of Animal Production, University of Nairobi, 1991)Data on reproductive performance and pre-weaning growth of pigs from three large scale herds in Kenya were studied to evaluate means and the effects of genetic and environmental factors on sow and piglet performance. ... -
Genetic and Phenotypic diversity of cultivated Robusta coffee (Coffea canephora Pierre) in Uganda and effect of environmental factors on quality
(University of Nairobi, 2013)Cultivated Coffea canephora in Uganda has low productivity with unknown quality trait variability. At present in Uganda, improvement of quality aspects of the Coffea canephora that would directly translate to increased ... -
Genetic And Physiological Studies On Drought Resistance Traits In Dry Bean (phaseolus Vulgaris_l.) In Kenya
(University of NairobiCrop Science Department, 1999)Field and trough studies were conducted to evaluate response of physiological and morphological traits of dry bean tPhaseolus vulgaris L.) genotypes to water stress over a period of two seasons. Thirty six bean genotypes ... -
Genetic architecture of yield and earliness components in maize (Zea mays L.)
(Plant Science & Crop Protection, University of Nairobi, 1986)Eight parents (maize inbred lines) derived from diverse base populations of maize were used to develop twenty eight single crosses excluding reciprocals in a diallel mating system. The twenty eight single crosses and ... -
Genetic charactalisation and nutritional analysis of eastern and south African cleome gynandra (spider plants)accessions
(University of Nairobi, 2017) -
Genetic characterization of some selected east african indigenous cattle
(University of NairobiDepartment of animal production, 2008)The indigenous cattle breeds of Kenya have special adaptations (resistance to diseases, utilization oflow quality feeds and surviving under high tropical temperatures). There is a risk of loosing these unique adaptive ... -
Genetic Control of Photoperiod Sensitivity, Selection for Short-day Adaptation in Runner Bean and Validation of Multiple Disease Resistance in Snap Bean in Kenya
(University Of Nairobi, 2016)Runner bean (Phaseolus coccineus L.) and snap bean (Phaseolus vulgaris L.) are the most cultivated species of Phaseolus. These crops offer a great potential for addressing food insecurity, income generation and poverty ... -
Genetic diversity among isolates of Colletotrichum Kahawae causing coffee berry disease and their interactions with varieties and breeding populations of Arabica coffee
(Department of Crop Protection, University of Nairobi, 1998)The objective of this study was to determine the nature and magnitude of genetic diversity of Colletotrichum kahawae Waller & Bridge (1993), the causal agent of coffee berry disease (CBD) and its implication on pathogen ... -
Genetic Diversity And Effectiveness Of Elite Indigenous Nodulating Rhizobia On Soybean Productivity In South Kivu Province, Democratic Republic Of Congo
(University of Nairobi, 2021)Soybean (Glycine max L. Merr.) is an important crop in South Kivu Province of the Democratic Republic of the Congo (DRC), but its productivity has been limited by poor soil fertility. Inoculation of rhizobium is touted ... -
Genetic Diversity And Population Abundance Of The Wild Penaeid Shrimps Of Malindi–Ungwana Bay In Kenya: Implications For Aquaculture And Conservation
(University of Nairobi, 2020)Penaeid shrimps have recently become one of the most valuable fishery resources in Malindi–Ungwana Bay in the north coast of Kenya that resulted to the adoption of a Prawn Fisheries Management Plan 2010. The genetic diversity ... -
Genetic diversity and relationship of indigenous goats of sub-saharan Africa using microsatellite DNA markers
(University of NairobiDepartment of Animal Production, 2006)This study was undertaken to determine the genetic structure, relationship and genetic diversity among 18 populations of goats from sub-Saharan Africa including Uganda (4), Tanzania (5), Kenya (2), Mozambique (2), Nigeria ... -
Genetic Diversity and Resistance to Bacterial Blight Among Kenyan Cassava (Manihot Esculent Crantz) Germplasm
(University of Nairobi, 2023)Cassava (Manihot esculenta Crantz) has high carbohydrate content and is grown in Africa as an alternative staple crop for food, feed, and bioethanol production. However, the production of cassava encounters limitation due ... -
Genetic diversity in banana weevil Cosmopolites sordidus, populations in Banana growing regions of the world.
(Department of Crop Protection, University of Nairobi, 2001)Genetic variability in banana weevil populations was analyzed in a large number of samples obtained from 15 banana growing tropical countries using random amplified polymorphism DNA (RAPD). A total of 46 RAPD markers ... -
Genetic diversity in Tanzanian pigeonpea [cajanus cajan (L.) millsp.J landraces
(University of NairobiDepartment of plant science and crop protection, 2007)A total of 123 pigeonpea landraces from farmers' fields in four pigeonpea growing regions (low altitude Coastal , Eastern and Southern plains and Northern highlands) of Tanzania were characterized for 16 qualitative and ...