１．Establishment of classification of citrus and its relatives using DNA markers

２．Exploration and identification of secondary metabolites

３．Exploration of bioactive compounds or ingredients for good health.

４．Collection and preservation of citrus germplasms
５．Origin and evolution of citrus and its relatives.

１．Molecular mechanism of perthenocarpy in citrus spp.

２．Relattioship between fruit development and phytohormons

３．Relationship between flowering and phytohormons

１．Molecular mechanism of juvenility in woody perennials including fruit trees

２．Molecular biology of flower development based on morphological observation

３．Morphology of fruit development in the early stage

１．Support for introduction of promissing but unfamiliar fruit trees into the orchards in Kyushu area

２．Support for development of aromatherapy
３．Establishment of the methods for micropropagation of olive