<p>Preface.- Introduction.- Tropical Biodiversity: Need for conservation.- Section I: Conservation.- Conservation of tropical plant genetic resources – In situ approach.- Collecting the wild relatives of crops in the tropics.- Seed banks for future generations.- Pollen cryobanking for tropical plant species.- In vitro genebanks for preserving tropical biodiversity.- Cryopreservation.- Biospecimen science for the In Vitro conservation of tropical plants.- Section II: Current status.- Conservation of Fruit Genetic Resources.- Conservation of orchids the gems of the tropics.- Conservation of oil palm and coconut genetic resources.- Current status of conserving tropical leguminous food crops.- Tropical and Subtropical Root and Tuber Crops.- Cereals.- Diversity & Conservation of Tropical Forestry Species in Southeast Asia.- The In Vitro Conservation of Plants Native to the Brazilian Amazon and Atlantic Forests.- Ex situ conservation of plant genetic resources of major vegetables.- Spices and tree borne oil seed crops.- Conservation of medicinal plants in the tropics.- Section III: Future perspectives.- Global challenges for agricultural plant biodiversity and international collaboration.- Major research challenges+ Directions for future research.</p>