 In the mid 1970s Brian Powell recognized the commercial potential of quangdong fruit and began its cultivation in orchards.Following this, the CSIRO became involved in quangdong research.In the late 1970s, Peter Hardwick began investigating subtropical native plants suitable for commercial cropping, selecting fruit species like riberry, Davidsonia, and later leaf-spices, like lemon myrtle, Aniseed myrtle, and Dorrigo Pepper.