Peronospora

noun Per·o·nos·po·ra \ ˌperəˈnäspərə \

Definition of Peronospora

:a genus (the type of the family Peronosporaceae) of destructive downy mildews having the sporangiophores dichotomously branched and with pointed tips — see onion mildew, tobacco blue mold

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Origin and Etymology of peronospora

New Latin, from perono- + -spora


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