What is dandelion like? Have you got any pictures?

Dandelion is a perennial herb. The root is conical, the surface is brown and shriveled, the leaf margin sometimes has wavy teeth or pinnately parted, the base gradually narrows into a petiole, the petiole and main vein are often reddish purple, the upper part of the scape is purple, and it is densely covered with spider filiform white villous; Head, involucre bell-shaped, achene dark brown, long crown hair white, flowering and fruiting period from April to 10. Dandelion is also known as yellow flower Xiaoding, mother-in-law, flower flower lang and so on. A flower head with white crown hairs on its seeds, which floats to a new place with the wind after flowering and breeds new life.

Extended data:

Dandelion is a perennial plant. In the wild, biennial plants can blossom and bear seeds. In early summer, the number of flowering and fruiting seeds increases with the growth years. Some plants open more than 20, and excellent varieties can open more than 20. After flowering, the seeds will mature in 13 ~ 15 days. ?

The shell of the disk changes from green to yellow-green, and the seeds can be harvested from ivory to brown. Don't wait for the disc to crack before harvesting, otherwise the seeds will easily fly away and lose a lot. Generally, the number of seeds per inflorescence is above 100, the 1000-grain weight of Taraxacum macrophyllum seeds is about 2g, and the 1000-grain weight of Taraxacum microphyllum seeds is about 0.8 ~1.2g.

When collecting seeds, you can take off the dandelion's disk and store it indoors for a day. After the disk is completely scattered, dry it in the shade for 1 ~ 2 days until the seeds are half dry, rub off the fluff at the tip of the seeds by hand, and then dry the seeds for later use.

In places with abundant wild dandelion resources, the roots of wild dandelion can also be directly controlled for cultivation. Usually in June 5438+10, after digging the roots, plant them in the greenhouse with row spacing of 8 cm× 3 cm. After planting, water enough, and new leaves will grow in February of the following year. At this time, organic fertilizer is applied again, and the leaves can be picked and listed when they grow to a certain extent.

Dandelion soil preparation and fertilization

Choose loose and fertile sandy loam with good drainage for planting. Apply 2000 ~ 3500 kg of organic fertilizer per mu, mix with calcium superphosphate 15 kg, and spread evenly on the ground. Dig 20 ~ 25 cm deep, carefully level and rake, and make ridges with width 1.2 m, length 10 m and height of 20 cm.

Before sowing dandelion, the ground should be turned into a ridge, and a shallow ditch should be opened in the ridge, with a ditch spacing of 12 cm and a ditch width of 10 cm. Then sow in the ditch, and cover the soil with a thickness of 0.3 ~ 0.5 cm. When sowing, the soil should be wet. If the soil is dry, it should be watered two days before sowing. It is best to cover spring sowing with plastic film, but it is not necessary to cover summer sowing with sufficient rain. ?

Dandelion sowing and propagation

Dandelion propagates through seeds. Seeds have no dormancy period, and can be sown at any time from spring to autumn after harvest. According to the needs of the field, seeds can also be planted in the greenhouse in winter, and the live broadcast in the open field adopts strip sowing. Shallow horizontal furrows are opened on the border with a row spacing of 25-30 cm, and the sowing width is about 10 cm. After sowing the seeds, cover them with 1 cm soil, and then press them slightly. The sowing amount is 0.5 ~ 0.75 kg per mu. Sow in the flat bed, with seeds per mu 1.5 ~ 2.0 kg.

In order to germinate as soon as possible, the seeds can be scalded with warm water to accelerate germination, that is, the seeds are placed in warm water at 50 ~ 55℃, stirred until the water is cool, and then soaked for 8 hours. Take out the seeds, wrap them with a wet cloth, cover them with a wet cloth, and water them with warm water 1 time every morning and evening, and sow them in about 3-4 days.

According to the test results, it takes 10 ~ 12 days to sow the seeds immediately after they are not harvested in May. If the sowing time is extended to July and August in summer, it will take 15 days from sowing to emergence. The sowing amount is generally about 3 ~ 4 grams per square meter, which can protect 700 ~ 1000 plants.

References:

Dandelion-Baidu Encyclopedia