My olive tree has yellow leaves
This season, It is completely normal to see yellow leaves on an olive tree. An olive tree is a persistent tree, So he keeps his leaves all year round. However, olive leaves have a lifespan of 2 at 3 ans. Every year, The olive tree will lose leaves to regenerate new ones. This is characterized by leaves which are entirely yellow.
In this case, Don't worry about the tree. However, If there are yellow leaves marked with one or more rounds this is a sign of illness. This is the peacock eye. It is a fungus that is transmitted by the rain. If there is too much eye-of-paon on the foliage the tree will lose a lot of leaves which harms the photosynthesis of the tree. To treat this disease, There are biological solutions such as Bordeaux porridge. Copper will make "a barrier" on the foliage that will prevent the fungus from developing.
The presence of yellow sheets can also be linked to one or more deficiencies. In this case, The yellowing of the leaves is different for each type of deficiency (bore, potassium, nitrogen…). It is therefore important to look at your foliage in order to award the needs of your tree.
NOW, You know that if your olive tree has yellow leaves it is not necessarily a sign of bad health.