Oil made from mahogany seeds is especially useful for suppression. However, there are advantages as well as disadvantages of this foreign tree. Harmful sap from the leaves of the mahogany tree makes the soil barren, no insects can survive. The fruit of this tree is not eaten by any animal or bird and no bird nests in this tree. The leaves of this tree pollute the water severely. As a result, farmed fish cannot thrive there. This tree is responsible for harmful Newcastle disease in poultry and birds.