FB-Black Diamond is a semi-erect, vigorous and non-spiny F1 brinjal. Fruit is shiny purple, small and oval, borne in clusters on a green calyx, and holds up well for stuffing and long-distance transport.
Key characteristics
| Plant type | Semi-erect and vigorous |
| Spines | Non-spiny |
| Fruit colour | Shiny purple |
| Calyx | Green |
| Fruit shape | Small oval |
| Fruit size | 6-7 cm long, 5-6 cm wide |
| Fruit weight | 60-70 g |
| Fruit bearing | In clusters |
| Maturity | 45-50 days after transplanting |
| Other | High yielding, suited to stuffing and long-distance transport |
Agronomy
| Seed rate | 80-90 g per acre |
| Seed count | Approx. 340-360 seeds per gram |
| Spacing | Rows and ridges 3-4 ft, plant to plant 2-3 ft |
| Yield | 7-8 tonnes per acre |
| Season | Round the year: Kharif (June-July), Late Kharif (September-October), Rabi (November-December), Summer (February-March) |
Growing tip
Seedlings are ready to transplant about 30 days after sowing.
Yield and maturity figures depend on season, region and cultural practice. Seed rate and spacing follow Indian agricultural practice and Farmson R&D trial data.