
SY Thunderbolt is newly recommended on the AHDB List. Alongside its strikingly high yields, it has consistent regional performance and good all round disease resistance. Its early maturity benefits following crops.

Variety Summary
End-use group: Six-row feed, Hybrid
Market options: Livestock Feed
Soil preference: Suitable for all soil types and performs well even on marginal land
Regional positioning: Performs well in all regions
Sowing rate: Approx 200 seeds/m2 in good conditions
We've compared SY THUNDERBOLT and KWS Orwell on the AHDB Recommended List 2021/22 and shared some key statistics we think you'll be interested in.
Yield
| Untreated Yield* | Treated Yield* | Eastern Yield* | Western Yield* | Northern Yield* |
---|---|---|---|---|---|
SY THUNDERBOLT | 85 | 107 | 107 | [107] | 107 |
KWS Orwell | 80 | 102.0 | 102 | 102 | 101 |
* % treated control
Grain quality
| Specific Weight (kg/hl) | Screenings (% through 2.25mm) | Screenings (% through 2.5mm) |
---|---|---|---|
SY THUNDERBOLT | 69.6 | 2.3 | 7.9 |
KWS Orwell | 68.1 | 2.1 | 6.3 |
Disease profile
| Mildew (1-9) | Brown rust (1-9) | Rhynchosporium (1-9) | Net blotch (1-9) | BaYMV |
---|---|---|---|---|---|
SY THUNDERBOLT | 8 | 7 | 6 | [6] | R |
KWS Orwell | 3 | 7 | 6 | 5 | R |
[ ] = limited data
Agronomic features
| Resistance to lodging (1-9) | Straw height without PGR (cm) | Straw height with PGR (cm) | Ripening (days +/- Orwell, -ve = earlier) |
---|---|---|---|---|
SY THUNDERBOLT | 6 | [114] | 106 | -1 |
KWS Orwell | 8 | 89 | 86 | 0 |