Since 1961 His Majesty the King conserved Dipterocarpus alatus Roxb. and had created a demonstration forest which collected various plants varieties from every regions of the country. This resource was for the student studying within Chitralada Palace ground. In 1985 H.M. the King had ordered to conservation of  the jackfruit in the Grand Palace. The Royal Chitralada Projects began to conservation of unique characteristic plant in vitro. In 1988, in the Royal Development Study Center, conservation and propagation of rattans (Calamus sp.) and experiments on rattans planting was begun. Her Royal Highness Princess Maha Chakri Sirindhorn had a Royal initiation to the Lord Chamberlain to conserve plant genetic in 1992. Plant Germplasm was established in 1993 at the Royal Chitralada Projects and plant genetic conservation activities were started.