From: Genome-wide association mapping for root cone angle in rice
Sub-population | N | Root cone angle | Subpopulation description | |
---|---|---|---|---|
Indica | ||||
 I1 | 69 | 42.6 | a | Traditional irrigated varieties |
 I2 | 45 | 52.9 | a | Improved varieties (irrigated and upland) |
 I3 | 16 | 50.2 | a | Specific group of medium elevation from Madagascar |
 I4 | 5 | 30.0 | b | Aus/boro varieties from eastern India |
Japonica | ||||
 J4 | 8 | 126.1 | a | Rainfed lowland bulus from Indonesia |
 J6 | 10 | 82.2 | b | Irrigated temperate rice varieties |
 J2 | 19 | 77.6 | b | Upland rice varieties from SE Asia |
 J5 | 30 | 69.9 | b | Upland rice varieties from equatorial Asia |
 J1 | 46 | 67.6 | b | Upland rice acc. From Africa, Latin America and Madagascar |
 J3 | 5 | 53.2 | c | Improved upland rice varieties derived from Colombia 1 |