Why should pepper flower evenly?
Uneven flowering causes:
- Uneven ripening → harder harvesting
- Some flowers drop → lower yield
- Harder care because each branch develops differently
When pepper flowers at the same time, it is easier to care for, sets fruit more easily, yields more and ripens evenly for harvest
Conditions for good pepper flowering
- Correct timing of water management
- Enough stored nutrients in the vine (phosphorus, potassium, boron)
- Healthy leaves, free from mealybugs and fungal disease
- The right products to support flower-bud initiation
Techniques for even pepper flowering
✅ 1. Water management (temporarily stop watering)
- Stop watering 15–20 days before flowering (depending on the area)
- Mild water stress encourages flower buds to develop
- Then resume watering evenly so the vines flower together
✅ 2. Nutrients to support flowering
| Stage | Fertiliser type | Suggestion |
|---|---|---|
| 30 days before flowering | High phosphorus, B, Zn | Use NPK 10-30-10 + B |
| 7 days before flowering | Potassium, calcium, micronutrients | Helps strong flowering and long spikes |
Spray with Viet-up 90 for better penetration and less wash-off in the rainy season
✅ 3. Prevent pests and diseases before flowering
- Control mealybugs, aphids and pink disease with systemic products
- Use Xinazo 250SC, Pilaravia 155SC together with Viet-up 90 if mealybugs appear
✅ 4. Choose the right time for the flowering spray
- Recommended timing: 7–10 days after the first watering is resumed (after the water-management period)
- At this point the flower buds have "woken up" and need a light boost with foliar fertiliser containing phosphorus, boron and amino acids
- Spray early in the morning or in the cool afternoon; avoid rain for 4–6 hours after spraying
Adding Viet-up 90 helps nutrients penetrate better and reduces losses in the rainy season
Suggested programme for even pepper flowering
| Timing | Supporting product | Rate | Note |
|---|---|---|---|
| 30 days before flowering | NPK 10-30-10 foliar fertiliser + micronutrients | As directed | Base nutrition |
| 7–10 days before flowering | KNO₃ + B + Ca + Amino | 20g + 5ml + 5ml/20L tank | Trigger flowering |
| At full bloom | Support flowers with NPK 6-30-30 + Zn | As recommended | Keep flowers healthy |
| Rainy period | Add Viet-up 90 | 5–10ml/20L tank | Improves adhesion, reduces wash-off |
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[NEWS 15/10/2025]