![Jeff Stephenson on Twitter: "This olive tree is infected with peacock spot (Spilocaea oleaginea). A fungal disease which can cause leaf drop and a reduction in vigour. Fallen leaves must be cleared Jeff Stephenson on Twitter: "This olive tree is infected with peacock spot (Spilocaea oleaginea). A fungal disease which can cause leaf drop and a reduction in vigour. Fallen leaves must be cleared](https://pbs.twimg.com/media/De8Mj8vVAAE4Np-.jpg)
Jeff Stephenson on Twitter: "This olive tree is infected with peacock spot (Spilocaea oleaginea). A fungal disease which can cause leaf drop and a reduction in vigour. Fallen leaves must be cleared
![Jeff Stephenson on Twitter: "This olive tree is infected with peacock spot (Spilocaea oleaginea). A fungal disease which can cause leaf drop and a reduction in vigour. Fallen leaves must be cleared Jeff Stephenson on Twitter: "This olive tree is infected with peacock spot (Spilocaea oleaginea). A fungal disease which can cause leaf drop and a reduction in vigour. Fallen leaves must be cleared](https://pbs.twimg.com/media/De8Mj8QXkAA0IIn.jpg:large)
Jeff Stephenson on Twitter: "This olive tree is infected with peacock spot (Spilocaea oleaginea). A fungal disease which can cause leaf drop and a reduction in vigour. Fallen leaves must be cleared
![The Academy organized a field day to check the Peacock Spot disease in olive trees in the Northern governorates of West Bank | PALAST The Academy organized a field day to check the Peacock Spot disease in olive trees in the Northern governorates of West Bank | PALAST](https://www.palast.ps/sites/default/files/2019-10/0J5A3959a_961x636.jpg)