Nguyen Duong Khue Forest Products Preservation Research Division - FSIV   I. Introduction   There are in Vietnam about 27 termite species that destroy wood. The genus Coptotermes is the most destructive genus and comprises up to 97% of the destructive species. It causes serious damages to the buildings and store houses. The technique of killing termites by infestation method is very specific and effective but TM 67, DM 90 of chemical origin must still be used. The … [Read more...]