Some gardeners overlook the pre-treatment of seedlings before planting, considering it unnecessary. Their reasoning is straightforward: with high-quality planting material and well-prepared soil, additional measures seem superfluous. However, this is a misconception. Pre-treating seedlings not only enhances the likelihood of a plentiful harvest but also shields onions from pests and diseases.
What Methods Can Be Used to Process Seedlings?
Salt Treatment:
This method is widely recognized for its effectiveness. The juices released from treated onions repel pests, boost growth, and fortify plant immunity.
Solution Preparation:
- Mix 1 tablespoon of salt per 1 liter of water.
- Soak the seedlings in the solution for 3 hours.
Soda Treatment:
Soda serves as another potent agent for seedling treatment, protecting onions from fungal and bacterial infections while also promoting germination.
Solution Preparation:
- Dissolve 1 teaspoon of soda in 1 liter of water.
- Soak the seedlings in the solution for 1 hour.
Complex Preparations:
In addition to homemade remedies, commercially available complex preparations containing fungicides and insecticides are also effective. They save time since there’s no need to prepare the solution manually.
Important Considerations:
- Before treatment, meticulously sort seedlings, discarding any damaged or diseased specimens.
- Perform the treatment 2-3 days prior to planting.
- Ensure the seedlings are thoroughly dried after treatment.
By adhering to these straightforward guidelines, you can significantly enhance the prospects of a bountiful onion harvest.


