The latest on the very troubling Xylella outbreak in olives is that you can spot infestation from the air before it’s obvious on the ground.
The new research, published in the journal Nature Plants, demonstrates the first way to spot infected trees months before signs are visible to farmers. The scientists analysed more than 7,000 olive trees in 15 Italian groves over two years, both tree-by-tree on the ground and from the air.