Orange Tree Leaves Turn Yellow Help For An Orange Tree With Yellow Leaves
Why are My Orange Tree Leaves Turning Yellow? Cultural practices, environmental conditions, disease, and pests may all be at the root of yellowing leaves on orange trees. Disease Yellowing leaves on orange trees are often the result of a disease, most often a fungal disease such as Phytophthora gummosis (foot rot), Phytophthora root rot (caused by the same fungus as gummosis), and Armillaria root rot (oak root fungus). Phytophthora gummosis – Phytophthora gummosis presents itself as an orange tree with yellow leaves that drop with gummy, inner bark; dry, cracked bark with sap-oozing lesions; and eventual spread to the crown and roots....