Table 1. MVs released in the Philippines, 1966 to 2013 a .
| Characteristic | MV1 | MV2 | MV3 | MV4 | MV5 | Hybrid |
|---|---|---|---|---|---|---|
| All | 18 | 27 | 33 | 46 | 65 | 53 |
| Glutinous | 1 | 3 | 1 | 4 | 1 | 0 |
| By target environment b | ||||||
| Irrigated lowland | 16 | 19 | 22 | 30 | 38 | 53 |
| Rainfed lowland/Upland | 2 | 8 | 9 | 12 | 14 | 0 |
| Cool-elevated | 0 | 0 | 2 | 4 | 0 | 0 |
| Saline-prone | 0 | 0 | 2 | 6 | 18 | 0 |
| Drought/flood prone | 0 | 0 | 0 | 0 | 2 | 0 |
aMV1: Varieties released from 1966 to 1975 including IR5 to IR34, and BPI varieties; MV2: Varieties released from 1976 to 1984 including IR36 to IR62; MV3: IR64 to IR74 and PSB RC released from 1985 to 1995; MV4: Varieties released from 1997 to 2005; MV5: Varieties released after 2005; Hybrid: Varieties released from 1994 to 2013.
bA variety can be classified into one or more target environments.