CORESTA Congress, Paris, 2006, PPOST 09
Early diagnosis of Peronospora tabacina Adam in tobacco plant with systemic infection
Biologia e Difesa Fitosanitaria, Scafati, Italy
A disease characterised by the absence of sporulation on leaves and evident necrosis underneath the bark tissues, affected adult tobacco plants during 2005 in South Italy. In the field, diagnosis is based mainly on recognition of symptoms, often...