PASSPORT DESCRIPTORS |
| Descriptor name | Description |
| Breeding system | Method of reproduction |
| Classification of O. sativa samples | Classifies an O. sativa sample as traditional, improved or breeding line. |
| Collection source | Specific place where sample was collected. |
| Cultural type | Rice ecosystem. |
| Degree of introgression | Spread of genes of one species into the gene complex of another. |
| Distance to O. sativa field | Distance of collection site of wild species to the nearest O. sativa field |
| Drainage | Manner in which the waters pass off the surface of the land. |
| Ecological zone | Refers to the edaphic-climatic condition of the area. |
| Ecological system | Refers to the environment where the sample was collected. |
| Flowering compared to O. sativa | Time of flowering of collected wild species sample compared to O.sativa. |
Frequency of occurrence of species/variety collected in an area. |
|
| Growth stage | Growth stage of plant sampled during collection time. |
| Herbarium sample presence | Indicates whether an herbarium sample was taken or not |
| Population composition | The degree of homogeneity or heterogeneity of the sample. |
| Population fertility | General seed set in a population per unit area. |
| Ratoon | Presence of tillers from nodes |
| Sample origin | Indicates whether a sample is indigenous or introduced to the area where it was collected |
| Sampling method | Indicates how the collected material were sampled. |
| Seed production | Seed production |
| Shading | Refers to the amount of exposure to the sun of the plant where sample was collected. |
| Site | Topographical condition of a specific area where sample was collected. |
| Soil texture | Relative proportions of sand, silt and clay in a sample. |
| Species diversity | Approximate number of species in the collection site |
| Status of sample | Type of germplasm collected |
| Topography | Configuration of a surface including its relief and the position of its natural and man-made features |
| Type of sample | Plant parts collected. |
| Varietal sample | Describes the composition of the variety collected. |