The following pictures, they will tell which species to choose for fastest growth, since inoculation is size dependent. The bigger the tree trunk within a given time, the earlier inculation can be carried on, that is the shorter time for harvest.
Sinensis — Planted Aug 2011, photo taken Aug 2013
Sub integra — Planted Sept 2011, photo taken Aug 2013
Malaccensis — Planted Sept 2011, photo taken Aug 2013
Hirta — Planted Nov 2011, photo taken Aug 2013
3 seedlings of species Crassna were planted when i made the puchased from nursery, however i found out they were Malaccensis. From my observation and knowledges, crassna growth ranks in between Sub integra and Malaccensis. This comparison does not represent quality of Agarwood to be harvested in due time.