Nabe 19, also known as Improved Nambale Long Bean, is a high-yielding, disease-resistant bush bean variety. Its long, red-mottled seeds are highly marketable and suitable for home consumption. The variety is adapted for both smallholder and commercial farmers, delivering reliable yields even under challenging conditions. This is a bush type (indeterminate bush) variety, Highly Palatable and market-class quality. It is a large-seeded plant with a kidney-shaped seed and Red mottled colour. Maturity (60-70 days), Yield potential: 800-1000 kg/Acre. It is resistant to anthracnose, BCMV, ALS, and tolerant to most other bean diseases. Year of release: 2012
Advantages & Features
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High yield potential: 2,000–2,500 kg/ha (~800 kg/acre)
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Bush type (indeterminate) for efficient space usage and multiple harvests
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Large, red-mottled seeds are ideal for market sales and cooking
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Resistant to anthracnose, Bean Common Mosaic Virus (BCMV), Angular Leaf Spot (ALS), and tolerant to most other diseases
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Flexible planting spacing for different farm sizes and practices
Best Practices
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Plant at recommended spacing for optimal growth: 50 cm x 10 cm or 25 cm x 20 cm (1 seed per hole)
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Use appropriate seed rate: 20–25 kg/acre (large-seeded: 40 kg/acre)
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Maintain soil fertility and weed control during early growth
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Water adequately during the flowering and pod filling stages
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Monitor for pests and diseases and apply recommended management measures
NARO Bean Varieties – Comparison Table
| Variety | Maturity (Days) | Seed Size & Color | Planting Spacing (Row x Plant) | Seed Rate (kg/acre) | Yield (kg/ha) | Type | Disease Resistance | Special Features |
|---|---|---|---|---|---|---|---|---|
| NARO BEAN 3 | 58–68 | Medium-seeded, oval, light yellow | 60 cm x 15 cm (2 seeds per hole) | Small-seeded: 20–24; Large-seeded: 36–40 | 600–900 kg/acre | Bush (determinate) | – | Up to 24 pods per plant, uniform growth, short-season variety |
| Nabe 19 – Improved Nambale Long | 61–70 | Large, long, red-mottled | 50 cm x 10 cm or 25 cm x 20 cm (1 seed per hole) | 20–25 (large: 40) | 2,000–2,500 kg/ha (~800 kg/acre) | Bush (indeterminate) | Resistant to anthracnose, BCMV, ALS; tolerant to other diseases | High yield, marketable, long red-mottled seeds, adaptable |
| Nabe 16 – Improved Nambale Short | 60–65 | Medium, pink with red stripes | 50 cm x 10 cm or 25 cm x 20 cm (1 seed per hole) | 20–25 | 1,800–2,000 kg/ha | Bush (indeterminate) | Resistant to anthracnose, rust, and halo blight | Quick maturing, tasty, swells when cooked, suitable for all regions |
