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The suitability of seven Australian essential oil producing trees in the Philippines was tested in order to identify the candidate species for plantation establishment. Percent survival, average stem diameter, total height, total biomass and essential oil percentage were used as indicators. Survival ranged from 40% to 91.25% while stem diameter and total height were from 25 to 40 cm and 25 to 35 m, respectively. Total biomass ranged from 100 to 1200 gcm–3 whereas percent oil yield from the leaves was from 0.2 to 3.4%. If the main purpose of plantation establishment is for wood and timber production, Corymbia citriodora (Hook.) K.D. Hill & L.A.S. Johnson is the candidate species because of its stem volume. But if the main consideration is for essential oil production, Eucalyptus staigeriana F. Muell. ex Bailey is the species of choice because it produced as much as 3.4% of essential oil at 30 months of age.

Reference: Abasolo, W., T. Salisid, A. Palijon and E. Tolentino Jr (2018). “Suitability of Seven Oil Yielding Australian Tree Species in Bukidnon, Philippines.” Ecosystems and Development Journal 5(3).

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