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Web blight (Thanatephorus cucumeris): a new disease on leaves of okra plants
(Instituto Biológico, 2018-02-01)
In an experiment on organic production of okra (Abelmoschus esculentus (L.) Moench) that was carried out from September 2013 to January 2014, in Manaus, Amazonas state, Brazil, we observed large chlorotic, necrotic, helical, ...