What are the seed selection and seedling raising methods for snapdragon seeds

Snapdragon Snapdragon, also called dragon's mouth flower and lion flower, belongs to the genus Antirrhinum in the family Scrophulariaceae, and is named snapdragon because its flower buds look like goldfish. Snapdragon not only has diverse and bright flower colors, but also has the effect of absorbing dust, making it a green plant very suitable for household pot cultivation. Of course, before planting, seed selection and seedling raising work are very important. Let us learn about them together.

Snapdragonseedshow to select?

According to the distinction in flower color, snapdragon can be divided into many series, such as the early-flowering Early Sonnet series, the late-flowering Sonnet series, the trailing Popping Candy series, the dwarf Palette series, and so on. Different varieties of snapdragon will also differ somewhat in sowing time and other aspects. It is recommended to choose varieties with low plant height and abundant flowers, as this can improve the ornamental value of pot cultivation. In addition, the seeds must be high-quality seeds, which will have a higher germination rate and survival rate.

What are the seedling raising methods?

1. Radicle germination stage (3-4 days)

At this stage, when sowing, the substrate should maintain medium moisture, not saturated. After sowing, cover the seeds with a thin layer of coarse vermiculite to ensure moisture. The substrate temperature should be 19℃~21℃; higher temperatures will reduce germination speed. The substrate EC value should be less than 0.5mS/cm, because snapdragon is still relatively sensitive to salt.

2. Stem and cotyledon emergence stage (10 days)

At this stage, the humidity should be appropriately reduced to make the root system develop downward; the substrate should be moist but not saturated. The substrate temperature should be 20℃~23℃. If fertilizing, apply fertilizer containing calcium (13-2-13), with a concentration of nitrogen 25~35ppm. To promote flowering, supplemental lighting should be provided, with an intensity of 4000~7000lx, and a light duration of up to 14 hours per day.

3. True leaf growth and development stage (14-21 days)

At this stage, the substrate should alternate between dry and wet every day. In an environment with wet substrate, low temperature, and weak light, insisting on watering in the morning and having good ventilation is very important for avoiding poor development of the growing point. For fertilization, use calcium-containing fertilizer 13-2-13 and 20-10-20 alternately. If needed, provide supplemental lighting at 7500lx.

4. Transplanting or transport (7 days)

At this stage, there should be alternating dry and wet conditions within 24 hours, while also avoiding wilting of the seedlings. If leggy growth occurs, lower the temperature to 17℃~18℃, and at the same time use 13-2-13 fertilizer, with a substrate EC value of 0.5~0.75mS/cm.

Because of its brilliant flower colors, snapdragon is very suitable for landscape ornamental applications. In recent years, it has been widely used in the Qingdao area, and its effect in greening landscapes is very prominent. Friends who grow it in household pots must select good seeds and master seedling raising methods and techniques, so that snapdragon can have abundant flowers and lush branches.

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