| ES Code | ES 420_2012 |
| Registered Variety Name | BOS20Y1 Sweet corn (Yellow) |
| Released in Issue No. | 23 |
| Common Name | Maize- BOS20Y1 Sweet corn (Yellow) |
| Scientific Name | Zea mays L- BOS20Y1 Sweet corn (Yellow) |
| Released For (yield, drought, pest resistance...) | Yield, drought resistance |
| Adaptation Area | Recommended - to the midaltitude sub-humid and the Rift Valley of Ethiopia. |
| seed | 1 |
| Variety Image | No Image |
| Altitude (m.a.s.l) | 1000-1800 |
| Rainfall (mm) | 900-1500 |
| Soil Type | Vertisols |
| Nutritional Merit | Protein & charbohaydrit |
| Year of Release | May 1, 2020 |
| Breeder Seed Maintainer | Bako NMRC/EIAR |
| Planting Method | both |
| Seed Rate (kg/ha) | 25 |
| Planting Dates | Mid to late May (immediately after the onset of the rainy season) |
| P2O5 Fertilizer Rate (kg/ha) | 69 at Bako, and as recommended for other locations\ |
| N Fertilizer Rate (kg/ha) | 138 |
| Days to heading/Flowering | 71.2 |
| Days to Maturity | 140 |
| Panicle Length (cm) | Not mentioned |
| 1000 Seed Weight (g) | Not mentioned |
| Seed Color | Yellow |
| Flower Color | Not mentioned |
| Leaf Arrangement | Not mentioned |
| Crop Pest Reaction | Resistant to gray leaf spot (GLS), turcicum leaf blight (TLB) and common leaf rust |
| On Farm Yield Amount (qt/ha) | Not mentioned |
| On station Yield Amount (qt/ha) | 57.4 |
| Variety Maintenance Status | None |
| Variety Source | Domestic |
| date added | March 5, 2026, 8:57 a.m. |
| date modified | March 25, 2026, 11:49 a.m. |
Ethio-Seed