Sowing method of Catharanthus roseus

Catharanthus roseus is a kind of oleander plant, also known as calendula, 04:00 spring and so on. Catharanthus roseus not only has a very high ornamental value, but also can be used in medicine. It has the effects of relieving pain and reducing inflammation, sleeping and defecating. So now there are still many people planting Catharanthus roseus, so how to sow when planting Catharanthus roseus? Today, the editor brings you the sowing method of Catharanthus roseus. Let's take a look at it.

1. Seed collection time

Before we sow seeds, we must first do a good job in collecting Catharanthus roseus seeds. The ripening period of Catharanthus roseus fruit will be different because of the different flowering time, so when we collect seeds, we should mainly pick along with ripening. After the fruit of Catharanthus roseus is ripe, the color will gradually change to black. The pericarp is easy to crack, and the seeds will fall and spread out, so we must collect the seeds in time. When it is found that the pericarp of the fruit is gradually yellowing and the seeds can be seen vaguely, it is necessary to start harvesting.

2. Sowing time

The sowing time of Catharanthus roseus is also very critical, and the sowing time has a direct impact on the growth of Catharanthus roseus. The suitable temperature of Catharanthus roseus seeds is generally about 20 degrees, so the sowing time should be determined according to the local environment and climate. In general, however, most areas are sown around April for the purpose of annual cultivation. If you want to advance the sowing time of Catharanthus roseus, you can raise seedlings in the greenhouse in early spring, maintain the right temperature, and then move to the open field when the temperature gradually rises.

3. Seedbed preparation

After determining the sowing time and collecting seeds, we also have to choose the seeding bed. The seeding bed of Catharanthus roseus should be selected in a place with high terrain, dry, sufficient light and normal drainage and irrigation. Sowing soil to maintain sufficient fertility, loose and good permeability, conditions can be prepared with peat, perlite and other materials. Then disinfect with carbendazim, wait until the liquid dries a little, do the soil preparation work, dig deep into the soil and prepare the bed for sowing. If you want to improve the emergence rate, then we can put the seeds in warm water, potassium permanganate and other solutions for germination and disinfection.

4. Sowing method

The sowing method of Catharanthus roseus is mainly sowing, and the seeds can be scattered comprehensively and evenly on the soil. After sowing, we should pay attention to cover a layer of fine soil, do not let the seeds see the light directly. Then it should be properly watered and covered with film to improve the moisturizing capacity of the soil, and seedlings can emerge after about a week or so. When the seedlings emerge, remove the film and increase the light time appropriately. The growth of Catharanthus roseus in the seedling stage is relatively slow, and the growth rate will be accelerated after the temperature increases, so it is necessary to do a good job of inter-seedling work.

The above is a brief introduction to the sowing method of Catharanthus roseus. That's all for today's introduction. This article is for reference only. I hope it can be helpful to everyone.