The Interatction of Maize Streak Virus Disease, Vector Populations, Soils and Altitudes in Kenya

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Date
2009
Authors
Magenya, O.
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Oscar Magenya
Abstract
Leafhoppers of the genus Cicadulina exclusively transmit Maize streak virus (MSV) disease which is an important constraint to maize production in Sub-Saharan Africa. Current literature indicates that agro-ecological factors influence leafhoppers and the MSV, but no information is available on the influence of altitude and soil nutrients on Cicadulina spp. and the MSV disease, and how these factors can be manipulated for disease control. The leafhopper populations and the viral strains that they transmit were assessed to determine the geographical distribution and the prevalence of the MSV disease. Farm interviews, insect vector and soil sampling were carried out in six study regions to determine the level of farmer perception, leafhopper species distribution and soil nutrient levels in the regions. The selected regions were Bahari, Mwea, Githunguri, Oyani, Muhoroni and Kimilili in Kenya.
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