American Palmer Mango – Cultivation Guide
The Palmer mango, originally developed in Florida, is widely grown in tropical and subtropical regions due to its late-season harvest, large fruit size, and excellent marketability. Here’s a complete guide to its cultivation:
🌱 1. Climate & Soil Requirements
| Factor | Requirement |
|---|---|
| Climate | Tropical to subtropical; frost-free |
| Temperature | 24–35°C optimal; young trees sensitive to cold |
| Rainfall | 1000–1500 mm annually; avoid waterlogging |
| Soil Type | Well-drained sandy loam, laterite, or alluvial |
| Soil pH | 5.5 to 7.5 |
🌳 2. Planting Details
| Detail | Description |
|---|---|
| Spacing | 8 m × 8 m or 10 m × 10 m (about 100–156 trees/ha) |
| Planting Time | Best during monsoon or spring (June–August) |
| Pit Size | 1 m³ pits filled with topsoil + compost + neem cake |
| Propagation | Grafted plants (monoembryonic seed; not true-to-type) |
💧 3. Water Management
| Stage | Watering Needs |
|---|---|
| Young Trees | Irrigate every 7–10 days during dry periods |
| Mature Trees | Every 15–20 days before flowering and fruiting |
| Avoid | Waterlogging; drip irrigation recommended |
🍃 4. Nutrition & Fertilization
| Age of Tree | FYM/Compost | N (g) | P (g) | K (g) | Notes |
|---|---|---|---|---|---|
| 1–3 years | 10–20 kg | 100 | 50 | 100 | Apply in split doses |
| 4–6 years | 25–40 kg | 250 | 125 | 250 | Apply before flowering and monsoon |
| 7+ years | 50 kg | 500 | 250 | 500 | Foliar sprays of micronutrients helpful |
✂️ 5. Pruning & Training
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Prune young trees to develop a strong scaffold structure.
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Remove dead, diseased, and overcrowded branches after harvest.
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Maintain an open canopy for good air circulation and sunlight penetration.
🌼 6. Flowering & Fruit Set
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Begins flowering around December to February (in subtropical zones).
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Fruit set and retention can be improved with:
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Spraying NAA (20 ppm) at flowering
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Boron and Potassium foliar sprays
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🥭 7. Harvesting & Yield
| Feature | Detail |
|---|---|
| Maturity Time | 5–6 years after planting |
| Harvest Season | July–September (late season) |
| Fruit Maturity | Red-purple blush, full shoulders |
| Average Yield | 10–15 tons/ha (mature trees) |
| Harvest Method | Hand picking with stalk to avoid sap burn |
🐛 8. Pest & Disease Management
| Problem | Symptoms | Control Measures |
|---|---|---|
| Anthracnose | Black spots on leaves, fruits | Copper oxychloride, good air flow |
| Powdery mildew | White powdery growth | Sulfur sprays, neem oil |
| Fruit flies | Larval damage, early fruit drop | Traps, sanitation, cover sprays |
| Mealy bugs | Sticky secretion, leaf curl | Neem oil, dimethoate spray |
✅ Advantages of Palmer Mango Cultivation
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Late-season fruiting (extends mango availability)
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Large, attractive fruits with good export potential
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Long shelf life ideal for transport
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Moderately disease-tolerant
Would you like:
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A fertilizer schedule month-wise?
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A commercial cultivation PDF or Excel sheet?
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Or help comparing Palmer mango with other American cultivars like Kent or Tommy Atkins?
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