How to choose sunflower seeds? What are the methods of raising seedlings?

Sunflower, also known as Chaoyang flower, has always been a symbol of the pursuit of sunshine. There are many theories about sunflower Xiangyang, one is plant auxin, the other is thermal influence, no matter which kind, sunflower, which symbolizes positive, sunshine and vitality, has always been loved by people. So if you want to plant sunflowers, how to choose the seeds? What are the methods of raising seedlings? Let's learn about it.

How to choose sunflower seeds?

1. Variety selection

Each variety has a suitable climate, soil and phenological period, so be sure to choose a variety that is suitable for your area, such as diseases, weather, growth period, etc., in order to grow well and get a good harvest.

2. Packaging appearance

Choose the seeds of big companies and big brands. It can be guaranteed that the purchased seeds are real seeds rather than fake ones. Don't buy seeds from small vendors. Through the observation port of the seed bag to see whether the seed is uniform, whether the coating is consistent, and whether there are few impurities. Otherwise, the emergence of seedlings is uneven. Look at the production date of the seed and whether the production license, quarantine certificate and other certificate numbers are complete, and check whether the packing bag has been opened.

3. Seed appearance

Generally speaking, the varieties with high purity have little difference in grain shape. The new seeds are bright and bright, while the old seeds are darker. High-quality sunflower seeds have the same evenness, full seeds, higher 100-seed weight, less diseased and damaged grains, less impurities such as sand and gravel weeds, crop straw and other crops, and no moth.

What are the methods of raising seedlings of sunflower seeds?

1. Sowing seeds

From the end of April to early May, the climatic conditions in the south of the Yangtze River are the most suitable for sowing. In order to make the seeds come into close contact with the soil, sunflower seeds can be planted evenly on the surface of the fine-grained basin soil and then covered with a thin layer of fine soil.

2. Raising seedlings

It is very important to ensure that the seedlings survive the extraordinary period safe and sound. Be patient enough to take care of them, just like treating babies in swaddling clothes. If you don't pay attention to them, the seedlings will die young, and the seedling rate will be greatly reduced.

3. Intermediate seedlings

Choose a pair of sharp-nosed tweezers for Miao tools. When the seedlings grow a few millimeters high, they can begin to grow. Adopt the method of batching and time-sharing, always remove the relatively thin ones and leave the sturdy ones until there is still a gap of three or four centimeters between the seedlings.

4. Take off the head

When the seedlings grow to 3 or 4 cm high, branches grow again from the roots. At this time, take off the tip of the main branch, and soon a cluster of branches will sprout at the break. When the branch of the root grows to a certain length, the branch can also be decapitated. After this treatment, the sunflower is dwarfed and the plant type becomes more beautiful.

5. Irrigation

At the seedling stage, the weather is not very hot, and the moisture evaporates slowly, so it is not suitable to irrigate too much. When the flowering period is in three days, it needs to be watered thoroughly and fully absorbed.

There are also many colors of sunflowers, the pattern looks simple and small, but there is a lot of love for it. And the most important thing is that it is really easy to raise, so you don't have to worry about whether you can live or not, and you can enjoy flowers, which is why it is so popular.

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