01 April 1997.
Laos
Locality: Vientiane Municipality Chanthaboury Vientiane
Coordinates: Vientiane Municipality Chanthaboury Vientiane18.0375, 102.6550
(Map it)
Elevation: 220m.
District: Chanthaboury;
Drainage: Poor;
Fund: Irri (Sdc);
Herb: Yes;
Prov: Vientiane Municipality;
Samp_Method: Random;
Seed_File: Yes;
Site: Depression;
Soil_Text: Loam;
Topo: Swamp;
Awn_Strength: Hard;
Breedsys: Inbreeding;
Deg_Graze: No Grazing;
Deg_Introg: Few Plants In Pop. With O. Sativa Characters (2-5%);
Dist_To_Sat: <= 20 M;
Floating: ;
Flower: Earlier Than O. Sativa;
Growth_Stage: Flowering;
Pop_Comp: Heterogeneous;
Pop_Fert: Few Sterile Spikelets (60-80% Fertile);
Pop_Size: 100;
Ratoon: Few;
Seed_Prod: High;
Shade: Open;
Spp_Diver: Abundant Spp.(>20 Spp.) (Climax Community);
Water_Depth: 0.7