Final diagnosis


Watermelon mosaic virus (WMV)

WMV_Courgette4
WMV_Courgette1
Peripheral sectors of the leaf blade of this zucchini leaf paler and tapered. <b> Watermelon mosaic virus </b> (<i> Watermelon mosaic virus </i>, WMV)
WMV_Courgette3
WMV_Courgette6
WMV_Courgette2
WMV_Courgette5
WMV_Courge1
WMV_Courge2
WMV_Courge3