Crop Germplasm and wild relatives: a source of novel variation for crop improvementH DUpadhyayaauthorPlant genetic resources (germplasm) are the most valuable among the natural resources as they provide building blocks for developing improved cultivars. The continuing need for improved cultivars to meet challenges of climate change, changes in pest scenario and changing consumer demands..........................................Genetics and GenomicsAgriculture-Farming, Production, Technology, Economics2008Korean Society of Crop ScienceArticle