Browsing School of Agricultural, Earth and Environmental Sciences by Subject "Onions--Diseases and pests."
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(2015-01-27)During surveys in South Africa, Alternaria porri (Ellis) cif. and Stemphylium vesicarium (Wallr.) E. Simmons were found to be destructive seed-borne pathogens of onion (Allium cepa L. ). These two pathogens are also ...