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    Cultural characteristics, morphology, and variation within Claviceps africana and C. sorghi from India

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    Date
    2006
    Author
    Muthusubramanian, V.
    Bandyopadhyay, Ranajit
    Rajaram Reddy, D.
    Tooley, P.
    Type
    Journal Article
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    Abstract/Description
    Sorghum ergot in India is caused by Claviceps africana and C. sorghi. The distributions of these two species in India is not known. Eighty-nine sorghum ergot isolates were cultured from young sphacelia obtained from male sterile sorghum plants artificially inoculated using inoculum collected in the field. Based on cultural characteristics, the isolates were separated into two groups which differed distinctly in the morphology of their sphacelia, conidia, and sclerotia. Marked differences also were observed in rates of secondary conidial production and disease spread between the groups. In combination with molecular evidence, our results confirm that the isolates placed in Group I represent C. africana and Group II isolates represent C. sorghi. C. africana was found to be widely distributed in all sorghum growing areas of India. The species first described as occuring in India, C. sorghi, appears to be restricted to a few locations in the states of Maharashtra, Andhra Pradesh, and Karnataka.
    https://doi.org/10.1016/j.mycres.2005.12.005
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/5260
    Digital Object Identifier (DOI)
    https://doi.org/10.1016/j.mycres.2005.12.005
    IITA Subjects
    Plant Diseases; Livelihoods; Capacity Development; Pests Of Plants
    Agrovoc Terms
    Ergot (Plant Disease); Population; Sorghum
    Regions
    Asia; Africa; South Asia; West Africa
    Countries
    India; Nigeria
    Collections
    • Journal and Journal Articles4835
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