Browsing MST-Department of Agricultural Sciences and Technology by Issue Date
Now showing items 1-20 of 91
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Survey and evaluation of nuclear polyhedrosis virus (NPV) for the control of helicoverpa armigera (hubner) (lepidoptera:nocduidae) on selected vegetable crops in kenya.
(Kenyatta University, 2000-09)Samples of Helicoverpa armigera larvae obtained from several sites and crops in Kenya in surveys carried out during June 1998 to October 1999 were examined at ICIPE, Nairobi. They revealed natural infection by nuclear ... -
Assessment of levels of natural radioactivity in surface soils around titanium mines in Kenya
(2011-11-07)All human beings are exposed to radiation from naturally occurring radionuclides in soil and other environmental materials. Some of these exposures are not amenable to control and they are usually referred to as background ... -
Pesticide use and misuse by small scale farmers in Kiambu, Kenya
(2012-06-13)This study was set to investigate the use of pesticides by small-scale farmers and its implications on the environment. It further sought to find out whether illiteracy causes misuse of pesticides and if provision of ... -
Effects of soil on pathogenicity of meliodogyne incognita on okra
(2012-06-13)Tests were conducted both in the field and greenhouse to investigate effects of i. chicken and goat manure, sawdust (Cyprerssus governiana L.), kale leaves, bean stems, maize stalks and Nitrogen-Phosphorus-Potassium ... -
The influence of nutrients and phenolic componds of cabbage collard green, lettuce and spinach on the biology of cabbage aphid brivicorgbne brassicae(h) and peach potato aphic myzus persicae (SULZ)
(2012-06-13)Defence of plants against pests may depend on texture and composition of the plant surface, absence of nutrients required by the pest and production of toxins or deterrents (Levin, 1971). Majority of toxins or deterrents ... -
Molecular characterization sequence variation in the rDNA region of root-knot nematode (Meloidogyne sp.,) in indigenous lefy vegetables
(2012-12-03)Indigenous leafy vegetables (IL V s) are plants whose leaves or aerial parts have been integrated in a community's culture for use as food over a large span of time. In the past, traditional societies have exploited edible ... -
Effectiveness of macro propagation technique in production of healthy banana seedlings in Eastern and Central regions, Kenya
(2013-03-20)Banana (Musa spp.) is one of the most important food and cash crops in Kenya. It provides food security. nutrition and income for many smallholder farmers. Bananas are eaten ripe or cooked depending on the variety. Despite ... -
Low Cost Issue Culture of Selected Cassava(Manihot esculenta Crantz)and Sweet Potato(Ipomoea batatas(l)Lam) Varieties
(2013-03-21)Drought has become a major contributor to food insecurity in sub-Sahara Africa. Drought-tolerant crops such as cassava and sweet potato can help alleviate this situation. However, lack of affordable healthy planting ... -
Etiology, Epidemiology and Management of Dieback Disease of Passion Fruit (Passiflora spp ) in Central and Eastern Regions, Kenya
(2013-10-15)Passion fruit is important in Kenya for nutrition and income. Current production is low and this is largely due to pests and diseases. In Kenya, major passion diseases include Fusarium wilt, Phytophthora canker, Brown ... -
Economic avaluation of Integrated pest management technology for control of mango fruit flies in Embu County, Kenya
(2014)Mango is the third most important fruit in Kenya in terms of area and total production. Nutritionally, mango fruit is important for vitamins and mineral provision in the daily diet of Kenyans. As an export crop, mango earns ... -
Influence of one and two node cuttings on rapid vegetatively propagated infilling tea (camellia sinesis) plants
(2014)The tea industry in Kenya is rural-based and provides a livelihood to over three million people. Tea is grown in prime agricultural land and can be potentially productive for 100 years if well managed. Peak yields under ... -
Characterization of Virus-Free Sweet Potato (Ipomea Hatata (L) Lam) Landraces Using Morphological and SSR Markers in East Kamagak Location-Homabay County
(Kenyatta University, 2014)Sweet potato is one of the most important crops for food security and income generation in Kenya. The crop is increasing in importance as adverse climate changes limit crop production in many areas. Understanding the ... -
Efficiency of Macropropagation in Relation to Other Banana Seedling Production Methods in Different Agro-ecologies in Central and Eastern Kenya
(2014-02-19)Bananas and plantains (Musa spp.) are amongst the most important tropical fruit crops and are staple foods in most parts of the humid tropics and important sources of income to small scale holders in rural areas. In Kenya, ... -
Effects of water stress on antioxidant activity and phenolic contents of African nightshades and their distribution in Kisii and Siaya Counties of Kenya
(2014-07-25)Over the last decade, African nightshades have featured increasingly in both formal and informal markets in different parts of Kenya. African nightshades were to be found only in the backstreets and in a few open-air ... -
Genetic Diversity of Arabusta Coffee (Coffea arabica L. x Coffea canephora Pierre) and their Parental Genotypes
(2014-08-22)Coffee ranks second after petroleum in international trade. In Kenya, it supports over 600,000 households, contributes up to12% of export revenue and employs 30% of the total workforce in Agriculture. Arabica (Coffea ... -
Effects of Varietal Differences, Plant Spacing and Weeding Regimes on Weed Density and Yields of Upland Rice in Uganda
(Kenyatta University, 2015)Rice is relatively new to Uganda, yet consumption is outstripping production; and with a growing population, demand is likely to increase. NERICA (New Rice for Africa) rice – with high yields and ability to withstand dry ... -
Effectiveness of macro propagation technique in production of healthy Banana seedlings in Eastern and Central regions, Kenya
(Kenyatta University, 2015-06)Banana (Musa spp.) is one of the most important food and cash crops in Kenya. It provides food security, nutrition and income for many smallholder farmers. Bananas are eaten ripe or cooked depending on the variety. Despite ... -
Effects of Phosphorus Deficiency on Secondary Metabolites and Distribution of African Nightshade in Siaya and Kisii Counties, Kenya
(Kenyatta University, 2015-08)African Indigenous Vegetables form an integral part of the Kenyan diets, among the most commonly consumed being the African nightshade. These vegetables contain important phenolics that have medicinal values and good health ... -
Xenia effect on resistance to maize weevil and larger grain in maize
(Kenyatta University, 2015-11)Maize (Zea mays) is a preferred staple as well as a cash crop in Sub-Sahara Africa, contributing to 34-36% of the daily caloric intake in Kenya. Maize production is constrained by several factors among them biotic factors. ... -
Evaluation of Chickpea (Cicer Arietinum L.) Genotypes for Host Plant Resistance to Ascochyta Blight (Ascochyta Rabiei) in Elgeyo-Marakwet, Uasin-Gishu and Baringo Counties of Kenya
(Kenyatta University, 2016)In Kenya, the counties of Elgeyo-Marakwet, Uasin-Gishu and Baringo, where maize, wheat and barley are normally grown, can be used to produce a second crop during the off-season (October-February) before the next cropping ...
