13 December 1991.
Myanmar
Locality: Mandalay Pyinmana U Kyay
Coordinates: Mandalay Pyinmana U Kyay19.6667, 96.2667
(Map it)
Elevation: 110m.
Drainage: Poor;
Freq: Frequent;
Fund: International Rice Research Institute (Irri);
Herb: No;
Prov: Mandalay;
Samp_Method: Random;
Seed_File: Yes;
Site: Depression;
Soil_Text: Clay;
Topo: Plain Level;
Awn_Strength: Soft;
Breedsys: Outcrossing;
Deg_Graze: 50% Grazed;
Deg_Introg: No Introgression;
Dist_To_Sat: <= 20 M;
Flower: Later Than O. Sativa;
Grlt: 8.1;
Growth_Stage: Mature;
Grth: 1.6;
Grwd: 2.5;
Pop_Comp: Heterogeneous;
Pop_Fert: Few Seeds Available From Most Plants (5-10%);
Pop_Size: 200;
Ratoon: Many;
Seed_Prod: High;
Shade: Open;
Spp_Diver: Few Predominant Species (3-5) (Weedy Habitat);
Water_Depth: 0.5
Donator(s):