Olive quick decline syndrome

From Wikipedia, the free encyclopedia
Jump to navigation Jump to search

Olive quick decline syndrome (OQDS) is a wasting disease of olive trees which causes dieback of the leaves, twigs and branches so that the trees no longer produce crops of olives. The main cause is a strain of the bacterium, Xylella fastidiosa, which is spread by plant-sucking insects such as the meadow froghopper. The bacteria restricts the flow of sap within the tree and so chokes its extremities.[1]

The disease affected olive groves in Southern Italy where it is known as CoDiRo which is short for Complesso da Disseccamento Rapido dell'Olivo (CDRO).


  1. ^ Olive Quick Decline Syndrome (PDF), Primary Industries and Resources South Australia (PIRSA), 2017