Browsing Theses and Dissertations by Subject "Purple blotch"
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Determination of seedborne fungal pathogens of onion (allium cepa l.), prevalence and control of purple blotch caused by alternaria porri (Ellis.) CIF
(Department of Plant Science and Crop Protection, University of Nairobi, 2004)This study was undertaken to establish important fungal diseases and seed borne pathogens of onions and to establish the potential of some plant extracts for the control of purple blotch caused by Alternaria Porri (Ellis.) ...