Culture elements of delphinium

Does everyone know delphinium? This is a perennial herb, its flowers are shaped like the wings of a little swallow, it is very beautiful, so the name is delphinium. Feiyan prairie is produced in Europe. Now it is widely planted in our country. It is very suitable for growing in flower beds. The ornamental value is very high. So how to plant jade finches? What should I pay attention to in the breeding process? Let's take a look at the editor

In the hot summer area, sowing in late August, seed germination and growth of 2-4 true leaves in mid-late October, transplanting to Yangshuo, planting 4-7 true leaves in March. Next year, it can be planted. It blossoms from May to July. If you plant hot spots in a greenhouse, you can shorten the growth period and blossom before 2 to 3 months.

The specific methods are as follows: sowing in late August, transplanting in mid-late September, insulting cultivation after sowing in mid-October, heating up and replenishing light from December to February, and the flowering date can be opened as early as March. Apply nitrogen fertilizer before flowering, phosphorus and potash fertilizer after flowering, and appropriate watering. After 10 months, increase lighting, which can promote early flowering. When the plant grows to a height of 20 cm, a high bracket supports the net to prevent lodging.

Note: the jade Finch needs a sunny and cool environment. It is not only resistant to cold and drought, but not resistant to high temperature and water, and the soil requirement is not very high. However, there are several issues to pay attention to when planting:

1 sowing time. It can be planted in spring and autumn, and if planted in autumn, it must be done in mid-September.

(2) protection. The soil must remain moist after sowing. The easiest way is to cover some grass and gradually remove the mulch after emergence.

3Transplantation. When the fly stem grows two true leaves, the soil is transplanted into a small basin and the pot is changed after the seedlings grow.

4 watering. Watering should be carried out to observe dryness and moisture, and more water should be poured during flowering to avoid excessive dryness of the soil.

(5) fertilization. When changing the pot, use dry manure as the base fertilizer, and then apply fertilizer and water to decompose the cake 1-3 times a month according to the growth situation.

(6) High control. After changing the pot, use paclobutrazol to control the height of the plant: apply 0.5% paclobutrazol every 2 weeks.

(7) seed collection. The seeds should be collected in time so as not to break the seeds after maturity.

Time: 2019-05-16 Click: