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Description
Variety Type & Grain Profile
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Open-pollinated variety (OPV)—farmers can save seed for replanting.
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Grain: White, semi-flint to flint, which tends to dry faster and store better than dent maize
Maturity & Adaptation
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Days to maturity: Typically 120–130 days, with 50% flowering around 68 days
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Adaptation: Medium maturity, suited to Zones I & II (sub-humid to moderate rainfall areas)
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Performance: Handles drought conditions and low soil fertility relatively well
🌾 Agronomic & Disease Traits
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Disease resistance: Moderately resistant to Gray Leaf Spot (GLS), Maize Streak Virus (MSV), and leaf blights
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Stress resilience: Shows decent performance under low nitrogen and moisture stress
Yield Potential
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Expected yield range: Approximately 4.5–5.5 t/ha, under good management conditions
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Yield performance may reach up to 5 t/ha in optimal settings
Quick Summary Table
| Trait | Description |
|---|---|
| Type | Open-pollinated variety (OPV) |
| Grain | White, semi‑flint/flint |
| Maturity | ~120–130 days |
| Flowering | ~68 days to 50% flowering |
| Yield Potential | 4.5–5.5 t/ha (up to 5 t/ha) |
| Disease Resistance | Medium tolerance to GLS, MSV, leaf blights |
| Stress Adaptation | Drought & low fertility resilience |
| Target Regions | AER I & II (sub-humid zones) |
Farmer Suitability
ZMS 521 is an excellent choice for smallholder farmers in sub‑humid zones seeking:
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A reliable OPV option that allows for seed retention and reuse.
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A medium-maturing maize to fit typical growing seasons.
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A grain type that dries efficiently and stores well.
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Moderate resistance to key pests, diseases, and environmental stresses.
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