#$%^&*AU2009212990B220141127.pdf#####Abstract A method for harvesting a substance from a living plant (12) having heartwood, the method comprising the steps of: forming a cavity (24) in the heartwood of the living plant (12) 5 allowing the substance to accumulate in the cavity and collecting the substance from the cavity (24).2/8 18 (r lb I16 20 1+ FiID