Need for new genes and genetic diversity. Soucers of new gene-pools. Genetics variousness within populations. Gentic conservation versus evaluation and utilization. Procedure in genetic conservation and utilization references. Objectives and requirements of systematic description. Planting and multiplication of ssed stocks. Maintaining the genetic composition of accessions. Plant and grain charactesistics for description. Method of recording plant characters and growth stages. Elimination of duplicate accessions. Culture and identification of genetic testers and wild species references. Objectives and types of systematic evaluation. Size of populations for screening. Methods of systematic evaluation. Field versus laboratory testing. Methodology of evaluation. Distribution of selected material for utilization. Genetic aspects of utilization. Data recording, processing, and retrieval. Long-range conservation. Long-term seed storage. International collaboration in genetic conservation.

Perspectives; The genepools of rice: collecting activities 1983-1990; The network approach; Wild species and land races; Documentation and data management; Preservation of germplasm; germplasm research and utilizatin; Recommendations of working groups.

The relationshup between Oryza and other grasses; Species relationships within the genus Oryza; Nemenclature of Oryza species; The evaluation and uses of wild rices; Use of wild rices for evaluation, breeding, or experimental purposes; Choosing wild rice germplasm for evaluation and plant breeding; Sources of wild rice seeds, their germination, and culture; Areas of future endeavor; Oryza species descriptions; O.alta, O. australiensis; O. barthii; O. brachyantha; O. glaberrima; O. grandiglumis; O.latifolia; O. longiglumis; O.meridionalis; O. minuta; O. nivara; O officinalis; O. punctata; O. rhizomatis; O. ridleyi; O. rufipogon; O sativa; Oschlechteri; Genera related to Oryza; Sources of information for species descriptions.