Table 4 Rate of realized genetic gain for grain yield for each ecosystem according to the type of study (era or historical). More detailed information on the studies summarized here is provided in supplemental file 1: Table S1
From: Realized Genetic Gain in Rice: Achievements from Breeding Programs
Study type | Ecosystem | No. of estimated values | Genetic gain (kg/ha/year) | ||
|---|---|---|---|---|---|
Meana | Min | Max | |||
Historical | Irrigated | 23 | 40.3 | 6.7 | 167.6 |
Upland | 7 | 47.3 | 19.1 | 78.8 | |
Salinity prone | 4 | 5.9 | 1.5 | 14.0 | |
Drought prone | 3 | 12.9 | 2.3 | 27.0 | |
Era | Irrigated | 7 | 43.4 | 17.4 | 81.0 |
Upland | 2 | 21.1 | 14.6 | 27.6 | |