Manchas foliares das orquídeas
Phyllosticta sp
Manchas foliares Phyllosticta sp não representa sério problema sob o ponto de vista de prejuízo no desenvolvimento da planta. Sintomas Folhas atacadas apresentam manchas castanhas escuras circulares ou ovaladas, com bordos bem definidos e centro de coloração pardo clara onde podem ser observados picnídios do fungo Halos amarelados podem ocorrer sendo função da espécie infectada. Condições para ocorrência Temperaturas entre 25 C 28 C Sobrevivência em restos culturais.
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Produtos fitofarmacêuticos
- N/A