Catharanthus roseus can be sown and propagated.

Catharanthus roseus can be raised by cutting from April to July, but the seedlings propagated by cuttings are far less healthy and healthy than those from sowing, so they are usually planted by sowing, and the seeds should be picked as they are ripe and can be planted.

Methods of sowing and propagation of Catharanthus roseus seeds

Sowing method of Catharanthus roseus 1. Sowing time

The sowing time of Catharanthus roseus is generally about March to May every spring, because the temperature in this period is suitable for the growth of Catharanthus roseus, so it is generally sown and raised in the greenhouse in early spring, and then moved to the open field for cultivation.

2. Soil preparation

The soil for sowing Catharanthus roseus is generally prepared with peat + perlite according to 3 ∶ 1, or rotten leaf soil, which is thoroughly watered (sterilized) with 500 to 600 times carbendazim, and the seedling utensils are best placed in a place facing south and facing the sun.

3. Sowing method

Plant the prepared Catharanthus roseus, spread it on the prepared pot soil, and cover it with thin sand to avoid direct contact with sunlight, then properly water the soil, keep the soil slightly moist, and cover with a film or grass curtain to keep the soil moist. Catharanthus roseus seeds generally emerge in 7-10 days.

4. Post-emergence management

In general, after the emergence of Catharanthus roseus, gradually strengthen the light, because Catharanthus roseus seedlings grow slowly, grow faster when the temperature rises, and deal with weak or necrotic seedlings to retain strong seedlings.

How to sow Catharanthus roseus? what should we pay attention to when sowing Catharanthus roseus?

In our life, we often see the shadow of Catharanthus roseus in roadside flower beds, parks, indoor balconies and other public places. It is a kind of flower plant that belongs to modern landscaping. Its flowers are very colorful and gorgeous. It looks very lovely, especially lovely. So many people like to plant Catharanthus roseus at home, but still do not know how to sow Catharanthus roseus, and what should we pay attention to when sowing Catharanthus roseus? The following editor will introduce to you how to sow Catharanthus roseus, and what should we pay attention to in sowing Catharanthus roseus?

[introduction to Catharanthus roseus] Catharanthus roseus, also known as Calendula, Rixin, 30,000 Flowers, Yantouhong, 04:00 Spring, and so on, is a perennial herbaceous plant. Many varieties of Catharanthus roseus have been bred in Taiwan. When breeding, Catharanthus roseus with larger flowers tends to grow longer. It not only has a good ornamental value, but also has a certain value of Chinese herbal medicine. The use of whole herb medicine can relieve pain, anti-inflammation, sleep, laxation, diuresis and so on. There are certain ingredients in Catharanthus roseus that can treat cancer and anti-tumor. Its milk contains alkaloids, which, if extracted, can be used to treat a variety of cancers, leukemia, Hodgkin's disease and so on. Catharanthus roseus also has more flowers than the price, the flowering period is particularly long, and the flower momentum is also more luxuriant. Flowering is uninterrupted in spring and autumn, so it is called daily spring.

[growth habits of Catharanthus roseus] Catharanthus roseus is a perennial herb with a very long flowering period. Catharanthus roseus likes to grow in a high-temperature, humid, semi-overcast environment. It is not resistant to cold and is most suitable for growing at a temperature of 20-33 degrees Celsius. It likes plenty of sunshine, but avoid dampness and fear waterlogging. It can be cultivated for general soil, but saline-alkali soil is not suitable for its growth. The soil should be well drained, ventilated sandy soil, soil rich in humus is suitable, flowering and fruiting are available all the year round, it is precisely because of this, it is very popular with people.

How to sow Catharanthus roseus. Catharanthus roseus sowing-propagation: Catharanthus roseus is generally sown to raise seedlings, can also be used to raise seedlings by cutting. Catharanthus roseus seeds should be picked as they mature, and the most suitable temperature for Catharanthus roseus germination is 20-25 degrees Celsius, which is generally cultivated in one year. If it is cutting can be carried out in April-July, but few people use the way of cutting, because the growth is not as good as sowing seedlings.

two。 Catharanthus roseus sowing-time: generally start sowing around March-May, you can start raising seedlings in early spring, the temperature should be 20 degrees Celsius is the most suitable, in the warmer spring can be cultivated. 3. Catharanthus roseus sowing-soil: it is best to use peat, perlite according to the proportion of 3:1 to match, can also use rotten leaf soil. Use fertile, loose, well-drained sandy soil or humus soil, barren soil, but can not use saline-alkali soil. The clayey soil with poor permeability will lead to poor plant growth, yellowing of leaves, and even non-flowering. Before cultivation, about 500-600 times carbendazim solution should be used to sterilize, and the pot container should be placed in a south-facing position.

4. Catharanthus roseus sowing-Sunshine: Catharanthus roseus likes to grow in a sunny environment, so that the leaves of Catharanthus roseus can be green and shiny, and the flowers and colors will be more beautiful. If the control is cultured in a more hidden place, it will appear diseases and insect pests and yellowing leaves. 5. Catharanthus roseus sowing-temperature: to maintain a warm growth environment when cultivating Catharanthus roseus, it is most suitable to maintain a temperature of 18-24 degrees Celsius from March to July, 13-18 degrees Celsius from September to the following year, and no lower than 10 degrees Celsius in winter. Be prepared to prevent plants from frostbite or frostbite to death.

6. Catharanthus roseus sowing-watering: in the process of cultivating Catharanthus roseus, it should not be watered more, it is relatively wet and afraid of waterlogging, stagnant water will lead to root rot, and can not lead to normal growth and flowering. Watering should be strictly controlled in winter, drying is the most suitable, otherwise it will cause the phenomenon of Catharanthus roseus to freeze to death. If it is cultivated in open field, Rain Water should pay attention to drainage in summer to avoid the death of Catharanthus roseus caused by stagnant water. 7. Catharanthus roseus sowing-fertilization: the growth of Catharanthus roseus is not particularly strict on fertilizer requirements, fertilizing once a week or so during the growing period, compound fertilizer and liquid fertilizer can be used. During cultivation, a layer of base fertilizer can be applied to the bottom of the basin to ensure that the plant has enough nutrients in it.

8. Catharanthus roseus sowing-pruning: when cultivating Catharanthus roseus, we should pay attention to pruning to prevent the plant from growing too high, affecting the ornamental value and flowering. It is necessary to carry out heart-picking treatment regularly to promote more branches and bloom more luxuriantly. After flowering, the withered branches of the remnant flowers should be trimmed to promote the second flowering. 9. Catharanthus roseus sowing-prevention of insect pests: Catharanthus roseus itself has a certain toxin, has a certain role in pest prevention. When raising seedlings, we will encounter diseases and insect pests such as quenching disease, tea moth, red spider, gray mold, aphids and so on. To avoid these problems, we should put them in a ventilated place, do a good job of draining and loosening the soil, avoid being caught in the rain, prescribe the right medicine when diseases and insect pests are found, deal with them in time, and water the harm to Catharanthus roseus.

[what to pay attention to when sowing Catharanthus roseus] when sowing Catharanthus roseus, according to the introduction of the editor, Catharanthus roseus can be cultivated very well. In the cultivation of Catharanthus roseus does not need to spend too much energy, mainly with a little attention is very easy to breed, its ornamental value is very good, must take good care of its growth.

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