The silver-green foliage of the olive tree is evergreen, providing year-long interest, as well as the trunk of older specimens appearing knotted and twisted. Whilst it is a drought tolerant tree, ...
But Xylella is not just a disease of olive trees. According to experts, some 560 species in 72 plant families can be affected by the infection. For the UK, Xylella poses a threat to iconic species ...