The toxicity of phytotoxins from cercospora arachidicola and. Effect of temperature on stability of components of. Early leaf spot cercospora arachidicola necrotic lesions on a peanut leaflet bwh0h3 from alamys library of millions of high resolution stock photos, illustrations and vectors. In this article we will discuss about the morphology and vegetative structures of cercospora. The pathogen of ground nut early leaf spot, cercospora arachidicola was inoculated on potato sucrose agar. Histological and histochemical changes in groundnut leaves. Influence of temperature, lesion water potential, and cyclic wetdry periods on sporulation of cercospora arachidicola on peanut. Early leaf spot cercospora arachidicola necrotic lesions.
Puccinia arachidis, cercospora arachidicola, cercosporidium personatum, groundnut. Printed in great britain aeromycology of cercospora arachidicola on peanut by s. Cercospora arachidicola hori and species names in common use have not. Beute department of plant pathology, north carolina state university, box 7616, raleigh, n. Bensch westerdijk fungal biodiversity institute, uppsalalaan 8, utrecht, the netherlands botanische staatssammlung munchen, menzinger stra. Aeromycology of cercospora arachidicola on peanut sciencedirect. Pdf diallel analysis of early leaf spot cercospora. General information about mycosphaerella arachidis mycoar name language. Sporulation conidia per millimeter of lesion area of cercospora dry period was at 75% rh, sporulation increased with increased wet. The toxicity of phytotoxins from cercospora arachidicola and cercosporin from cercospora species to tobacco, swiss chard and groundnut plants. Pdf various fungal diseases reduce groundnut yield but. Components of resistance in peanut to pressure so that the leaves were wetted cercospora arachidicola. Expression of resistance to early leaf spot disease of peanut, caused by cercospora arachidicola, varies across diverse geographic locations.
Efficacy of arbuscular mycorrhizal fungus amf, acaulospora lacunosa was evaluated for the biological control of soilborne plant pathogen cercospora. Pdf management of cercospora leaf spot of groundnut. Cercospora arachidicola is a fungal ascomycete plant pathogen that causes early leaf spot of. Influence of temperature, lesion water potential, and. Monocyclic components for evaluating disease resistance to. Resistance to leaf spot caused by cercosporidium personatum. Components of resistance in peanut to cercospora arachidicola. Habit and habitat of cercospora symptoms of cercospora vegetative structure of cercospora reproduction of cercospora diseases caused by cercospora. Interactions between cercospora arachidicola and phoma arachidicola, and their effects on defoliation and kernel yield of groundnut desiree l. Seventeen peanut breeding lines and twenty genotypes of peanut arachis hypogaea were tested in the greenhouse and ranked in the commercial cultivars florigiant, nc. A diurnal periodicity of conidium release by cercospora arachidicola was observed with peak catches at 12. Monocyclic components for evaluating disease resistance to cercospora arachidicola and cercosporidium personatum in peanut. Diallel analysis of early leaf spot cercospora arachidicola hori. It commonly occurs parasitically on many plants of economic importance, and causes the leaf spot disease on arhar, cotton.
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