How many days does it take for onion seeds to germinate?

How many days does it take for onion seeds to germinate?

Shallots, also known as green onions, are an indispensable condiment in many dishes. They are often used to increase the aroma and flavor of food. They can be eaten raw, stir-fried or used as a soup base . When sowing shallot seeds , it is best to choose spring and autumn, around April and September, which can increase the seed germination rate. So how many days does it take for onion seeds to germinate? Let’s take a look with the editor below.

1. How many days does it take for green onion seeds to germinate?

It usually takes 5-14 days for shallot seeds to germinate from sowing, but the specific time will be affected by many factors. The suitable temperature for shallot seeds to germinate is 15-25℃. In an environment of around 20℃, shallot seeds may germinate in about 6-7 days. If the seeds are soaked and germinated before sowing, the germination time can be shortened and they will germinate in about 3-4 days.

When the temperature is below 10℃, the physiological activity of seeds is inhibited, the germination speed will be significantly slowed down, and it may take 10 days or even longer for seedlings to emerge. When the temperature is higher than 30℃, the seeds may enter a dormant state, resulting in a reduced germination rate or even no germination.

2. How to sow shallot seeds

1. Choose a seed

Choose shallot seeds that are plump in appearance and free of signs of disease and insect pests. It is best to purchase them from a reputable seed supplier to ensure seed quality.

2. Seed treatment

Before sowing, you can use 50 ℃ hot water to soak the seeds for more than 20 minutes, stirring constantly in the middle to avoid scalding the seeds, which can disinfect and sterilize. Take it out, clean it and drain it. You can also directly use carbendazim solution for disinfection. You can also soak the seeds in warm water for 3-4 hours to allow the seeds to fully absorb water and increase the germination rate. Be careful not to make the water temperature too high to avoid scalding the seeds.

3. Site selection and land preparation

Scallions like to grow in fertile, loose, well-drained sandy loam. If the soil is poor, you can add an appropriate amount of farmyard manure or compound fertilizer to improve it. After the land is prepared, sufficient farmyard manure needs to be applied as base fertilizer. Make ridges and furrows, waiting for sowing.

4. Sowing time

Scallion seeds are generally suitable for sowing from March to April in spring or from September to October in autumn. Choose the appropriate sowing time according to local climatic conditions and planting habits.

5. Sowing method

You can use the row sowing method, dig furrows for sowing according to a certain row spacing, and the furrow depth should be about 1.5 cm. The row spacing is generally 15-20 cm. Sprinkle the seeds evenly in the trench, and then cover with a thin layer of soil that is about twice the thickness of the seeds. Lightly compact the soil and keep it moist.

The above is an introduction to how many days it takes for shallot seeds to germinate. After proper seed pretreatment and management, shallot seeds can generally germinate within 7 to 10 days. If you want to speed up the germination of shallot seeds, you can place them in a warm, humid environment with adequate light.

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