The transmission of the pest shall be assessed to take place mainly via specific plants for planting, rather than via natural spread or via movement of plant products or other objects.
Measfar gur trí phlandaí sonracha le haghaidh plandú, seachas trí leathadh nádúrtha nó trí ghluaiseacht na dtáirgí plandaí nó réad eile is mó a tharlaíonn tarchur na lotnaide.