Crop germplasm resources investigation data standards: Establishment, storage and application

In this paper, the problems existed in the process of crop germplasm resources investigation are analyzed, data standard based on data element technology are established for crop germplasm resources investigation, and the UML model of data elements category and the XML/XSD-based replacement and storage methods are given, finally, compiled and calling procedures for the data standards in crop germplasm resources information system are illustrated. The establishment of the standards is the basic work and should reduce data collection costs and promote the construction of crop germplasm resources investigation information system by providing unified data interface.