Table 3.
Mean yields and percentage yield advantage of introduced cultivars over the local check cultivar of maize, peanut and sweet potato measured over 4 years (2006–2009) and rice measured over 2 years (2008–2009) at a range of on-farm demonstration sites (adapted from Seeds of Life 2010a)
| Crop (no. sites) | Yield (t ha−1) | Yield advantage (%) | |||||
|---|---|---|---|---|---|---|---|
| Maize (170–278 sites) | Suwan 5 | Sele | Har12 | Local | Suwan 5 | Sele | Har12 |
| 2.6 | 2.4 | 1.8 | 1.7 | 35 | 41 | 6 | |
| Peanut (6–175 sites) | Utamua | Pt14 | Pt15 | Local | Utamua | Pt14 | Pt15 |
| 1.9 | 1.1 | 1.4 | 1.4 | 36 | −22 | 0 | |
| Sweet potato (83–115 sites) | Hohrae 1 | Hohrae 2 | Hohrae 3 | Local | Hohrae 1 | Hohrae 2 | Hohrae 3 |
| 5.1 | 5.5 | 5.5 | 3.1 | 65 | 77 | 77 | |
| Rice (71–76 sites) | Nakroma | PSB RC80 | Local | Nakroma | PSB RC80 | ||
| 4.3 | 3.3 | 3.4 | 26 | −3 | |||