Propagation of White Onions through Bulb Division

Process of Bulb Division

Choose healthy and mature white onion bulbs for division. Look for bulbs that are firm, free from disease or damage, and have a good shape.

Step 2: Preparing Bulbs

Before dividing the bulbs, gently remove any loose soil or debris attached to them. It is important to handle the bulbs with care to avoid causing any damage.

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Step 3: Dividing Bulbs

Using a sharp and clean knife, carefully cut the white onion bulbs into smaller sections. Each section should have a portion of the basal plate, which is the bottom part of the bulb where the roots emerge.

Step 4: Treating Cut Surfaces

After dividing the bulbs, it is recommended to dust the cut surfaces with a fungicide or a powdered sulfur-based product to prevent any potential infections or diseases.

Step 5: Planting Divided Bulbs

Prepare the planting area by loosening the soil and incorporating organic matter. Dig small holes or furrows, ensuring that the spacing between the bulbs is appropriate for the variety being propagated. Place the divided bulbs in the holes or furrows, making sure that the basal plate is facing downwards. Cover the bulbs with soil, gently firming it around them.

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Step 6: Watering and Care

After planting, water the divided bulbs thoroughly to ensure good soil contact and to promote root development. Maintain adequate moisture levels throughout the growing season. Regularly monitor the plants for any signs of pests or diseases and take appropriate measures to control them.

Step 7: Harvesting

White onions propagated through bulb division will typically mature and be ready for harvest in approximately 90 to 120 days, depending on the variety. Harvest the bulbs when the tops start to dry and fall over. Carefully lift the bulbs from the soil, remove any excess dirt, and allow them to cure in a well-ventilated area before storing.

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By following the process of bulb division, white onion growers can efficiently propagate their desired varieties, ensuring a consistent supply of healthy and productive plants.

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