Symptoms of the disease are of two types, namely slow decline and rapid decline. For trees experiencing slow decline, the most noticeable symptoms may include crown thinning out gradually and turning yellowish and their leaves reduced in size or even dropped as a result of early senescence. The trees could be dead in months or one to two years and structurally become unstable. Trees suffering from quick decline will wilt rapidly. Their leaves become brownish in color and the trees will die within weeks. The leaves of the dead trees will not fall immediately but remain attached on the branches for months.