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  1. Status of resistance of sorghum hybrids to the aphid, <em>Melanaphis sacchari</em> (Zehntner) (Homoptera: Aphididae)

    Status of resistance of sorghum hybrids to the aphid, Melanaphis sacchari (Zehntner) (Homoptera: Aphididae)

    Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J. van den Berg --- , South Africa
    Four field trials were conducted over four seasons during the period from 1996/97 to 2000/2001 to determine the status of resistance of South African sorghum hybrids to natural infestation by the aphid Melanaphis sacchari. Aphid damage symptoms were evaluated on...
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  2. Cropping System Intensification as a Management Method Against Vectors of Viruses Causing Maize Lethal Necrosis Disease in Kenya

    Cropping System Intensification as a Management Method Against Vectors of Viruses Causing Maize Lethal Necrosis Disease in Kenya

    Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: E. S. Namikoye --- Department of Agricultural Science and Technology, G. M. Kariuki --- Department of Agricultural Science and Technology, Z. M. Kinyua --- Kenya Agricultural and Livestock Research Organization, M. W. Githendu --- Department of Agricultural Science and Technology, M. Kasina --- Kenya Agricultural and Livestock Research Organization,
    Maize Lethal Necrosis Disease (MLND) has emerged as a great threat to maize production in East Africa. It is caused by a synergistic infection of maize by sugarcane mosaic virus (SCMV) and maize chlorotic mottle virus (MCMV). This study was...
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  3. Incidence and Severity of Common Bean (<em>Phaseolus vulgaris</em> L.) Pests in Agro-Ecological Zones and Farming Systems of Western Kenya

    Incidence and Severity of Common Bean (Phaseolus vulgaris L.) Pests in Agro-Ecological Zones and Farming Systems of Western Kenya

    Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: JO Ogecha --- Kenya Agricultural and Livestock Research Organization, Kenya W Arinaitwe --- International Centre for Tropical Agriculture, Kampala Uganda JW Muthomi --- Department of Crop Protection, Kenya V Aritua --- International Centre for Tropical Agriculture, Kampala Uganda JN Obanyi --- Kenya Agricultural and Livestock Research Organization, Kenya
    Infestation by insect pests is a serious problem in legume up scaling activities and a threat to future production in Kenya. The survey aimed at determining incidence and severity of insect pests of common beans in different districts and agro-ecological...
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