Browsing Faculty of Agriculture & Veterinary Medicine (FAg / FVM) by Title
Now showing items 1864-1883 of 2993
-
The influence of temperature on infection of rhynchosporium secalis on resistant and susceptible barley varieties!
(Plant Science & Crop Protection, University of Nairobi, 1987)The upsurge of barley scald has been of much concern to barley growers, breeders and pathologists in Kenya. Yield losses due to scald average 30% though losses upto 52% have been recorded. Varieties released in the past ... -
The influence of the wet-processing of Arabica coffee upon the characteristics of the coffee bean
(Department of Plant Science and Crop Protection, University of Nairobi, 1970)The presence of galacturonic acid within the reported pectic component of coffee mucilage has been confirmed. The insoluble mucilage material (protopectin) contains arabinose, glucose and xylose units in addition to ... -
The influence of tillage implements and practices on soil and moisture conservation of a crusting soil
(University of NairobiDepartment of Environmental and Biosystems Engineering, 2006)Soil crusting and hard-setting conditions limit agricultural productivity of most semi-arid lands of Kenya. Hydrological conditions of these soils are negatively influenced by the development and occurrence of soil ... -
Influence of tillage practices,cropping systems and organic inputs on soil moisture content, nutrients status and crop yield in matuu,yatta sub county, Kenya.
(University of Nairobi, 2014)Crop production in arid and semi-arid lands (ASALs) is constrained by insufficient and unreliable rainfall, and low soil fertility. Against this backdrop a survey and field experimentwas conducted in Matuu, Yatta sub-county. ... -
Influence of topography and soil characteristics on Acacia senegal
(Department of Range Management, University of Nairobi, 1994)A study was conducted to investigate the effects of soil characteristics, topography, sites and seasons on the distribution of A. senegal and on gum arabic production. Relationship between the gum yield and shrub morphological ... -
Influence of topography and vegetation cover on soil organic carbon stocks, soil loss, water balance and greenhouse gas fluxes in wooded grasslands of Laikipia County, Kenya
(University of Nairobi, 2021)Soil carbon stocks (SOCs), soil water balance and greenhouse gas fluxes measurements in wooded grassland are often done in a single assessment. This is oblivious of its heterogeneous nature and asymmetric distribution that ... -
The influence of vegetative cover on runoff and soil loss - a study in Mukogodo, Laikipia District
(University of NairobiDepartment of Agricultural Engineering, 1994)The influence of rainfall, vegetative cover and soil characteristics on runoff and soil loss were investigated on the semi-arid area of Mukogodo, Laikipia District, Kenya. This study was carried out between July 1992 ... -
Influence of Water Resource Use Patterns on the Lorian Swamp Ecosystem
(University of Nairobi, 2019)River ecosystems are under intense pressure from water user‟s resultant from human or economic activities. Population pressure are over-stretching most of Kenya‟s water towers including the Ewaso Nyiro water catchment areas ... -
Inheritance and selection for resistance to Angular Leaf Spot (Phaeoisariopsis Griseola (SACC)and common bacterial blight (Xanthomonas Campestris pv Phaseoli) in yellow beans
(Department of Plant Science and Crop Protection, University of Nairobi, 2007-06)Angular leaf spot (Phaeoisariopsis griseo/a) and common bacterial blight (Xanthomonas campestris pv phaseo/i) are two major diseases of common bean (Phaseo/us vulgaris L.). In Africa, the two diseases account for losses ... -
Inheritance and Selection for Yield Components and Multiple Disease Resistance in Snap Bean
(University of Nairobi, 2018)Snap bean (Phaseolus vulgaris L.) cultivation has gained popularity in East and Central Africa and more particularly in Kenya due to its potential as an alternative source of food and income generation. However, snap bean ... -
Inheritance of resistance to fusarium wilt (f. Oxysporumf.Sp. Phaseoli) and breeding multiple disease resistant and marketable climbing beans
(University of NairobiDepartment of plant science and crop protection, 2008)Common bean (Phaseolus vulgaris L.) is the primary source of dietary protein In Rwanda. Climbing beans are important for intensified production due to their high productivity (3-fold of the bush type) and adaptation under ... -
Inheritance Of Resistance To Root-knot Nematode, Meloidogyne Javanica (Treub) Chitwood, And Some Yield Characters In Tomato, Lycopersicon Esculentum Mill
(University of NairobiFaculty of Agriculture, 1979)The most common root-knot nematode species in the field at Thika comprising about 99% was found to be Meloidogyne javanica. Separate trials were conducted to determine the yield loss and the inheritance of resistance ... -
Insect pests of cowpeas vigna unguiculata(l.) walp. and studies on cowpea yieldassessment under different chemical sprayregimes and minimum use of insecticidesagainst the dominant insect pest speciesat Katumani dryland rese4rch station, Kenya
(Department of Plant Science and Crop Protection, University of Nairobi, 1983)Studies to identify major insect pests attacking cowpea, Vigna unguiculata (L.) Walp., in the field and to assess cowpea yields under different chemical control regimes were conducted at Katumani, Kenya during th'e ... -
Institute of Diplomacy and International Studies Masters of Arts in Diplomacy
(University Of Nairobi, 2012) -
An integrated assessment of health and sustainability of a tropical highland agroecosystem
(Department of Public Health, pharmacology and Toxicology, University of Nairobi, 2003-11)A process was designed to assess the health and sustainability of a tropical-highland, smallholderdominated agroecosystem. Twelve study sites within the agroecosystem were selected in a multistage, purposive sampling ... -
Integrated management of bean Bruchid,Acantlloscelides Obtectus say (Coleoptera: Bruchidae), on stored beans in Eastern Kenya
(Faculty of Agriculture and Veterinary Sciences, 2008)A survey was carried out on stored beans in three districts (Meru central, Meru north and Tharaka) in eastern Kenya to identify the bruchid species responsible for the bean damage and the existing management options ... -
Integrated management of groundnut rosette disease
(University of NairobiDepartment of Plant Science and Crop Protection, 2009)Groundnut is an important food, feed and cash crop in sub-Saharan Africa. This crop suffers greatly from a viral disease; groundnut rosette (GRD) vectored by an aphid cause 100% yield loss if it occurs before flowering. ... -
Integrated strategies for management of liriomyza spp (diptera: agromyzidae) on basil (ocimum basilicum)
(University of Nairobi, 2018)Kenya exports basil and other fresh produce to the European Union commanding about 35% of the total market share. Export of basil has constantly been under threat due to interceptions resulting from various live stages of ... -
Integrating host resistance with tolerance in multiple cropping systems for management of plant parasitic nematodes in sugarcane
(University of Nairobi, 2015)Sugarcane productivity in Kenya has been on the decline over the past decade due to various factors including pests and diseases. Plant parasitic nematodes (PPNs) are known to infest sugarcane fields due to poor agronomic ... -
Integrating Phosphonate Fungicide And Variety Resistance In The Management Of Potato Late Blight
(University of Nairobi, 2013)Potato is an important food and cash crop in sub-Saharan Africa highland regions. It production in terms of yields have stagnated for over decades due to several factors including diseases. Late blight caused by Phytophtliora ...