Abstract
Abstract Experiments in peanut (Arachis hypogaea L.) were conducted in northern Ghana, West Africa during 2003, 2004, and 2005 to determine interactions of cultivar, planting date, and weed management system on soil arthropod pest density, disease incidence, pod hull scarification and penetration from arthropod feeding, and pod yield. Experiments included four planting dates (28 May, 11 and 25 June, and 9 July), four cultivars (Chinese, Manipintar, JL 24, and RLRS-11), and three weed management systems (weeding four weeks, six weeks, or both four and six weeks after planting). The interaction of cultivar and planting date was significant for millipede (Peridontopyge spp.) density, penetrated pods, and pod yield. Cultivar and planting date affected density of white grubs (Schyzonicha spp.), termites (Microtermes and Odontotermes spp.), and wireworms (Elateridae); incidence of early leaf spot (Cercospora arachidicola Hori) and late leaf spot [Cercosporidium personatum (Berk. & M.A. Curtis) Deighton]; and sc...
Published Version
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