Which variety of Gastrodia elata seed is good? What are the methods of raising seedlings?

Gastrodia elata (Gastrodia elata) is a kind of common precious traditional Chinese medicine, which is generally used as a tuber, which has the effect of chasing wind and calming the mind, and was once exclusive to the royal family. Wild Gastrodia elata is widely distributed in the country. The main cultivation areas of commercial Gastrodia elata are in Qinba Mountain area with Hanzhong of Shaanxi Province as the center, Yichang of Hubei Province, Dabie Mountain area of Anhui Province, and Zhaotong of Yunnan Province. In recent years, the market price of Gastrodia elata has risen steadily, and the planting risk is low, so it has also attracted many growers. The key to artificial cultivation of Gastrodia elata lies in seed selection and seedling raising, so let's learn about it together.

Which variety of Gastrodia elata seed is good?

1. Gastrodia elata

Gastrodia elata is generally distributed in the Yangtze River Basin in China, which is suitable for planting in the Yangtze River Basin at an altitude of 500-1500 meters. Its flower stem is fleshy red, the flower is orange red, the fruit is oval, and the tuber is fat and stout, so it is a good variety suitable for artificial planting in Gastrodia elata.

2. Gastrodia elata

Gastrodia elata plants up to 1-1.5 meters high, often mixed with other Gastrodia elata, but the number is relatively rare. The stem is grass-green branch blue-green, the tuber is inverted conical, and the seed germination rate is high, which is generally planted in the southwest and northeast.

3. Gastrodia elata

The flower stem of Gastrodia elata is grayish brown, the flower is turquoise, and the fruit is angled. The shape of Gastrodia elata is good, the medicinal quality is also good, but the meristematic ability is poor, and it is not resistant to drought, mainly from the high mountain area above 1500 meters above sea level.

4. Gastrodia elata

The plant of Gastrodia elata is more than 1 meter high, the rhizome is ovate and long oval, and the tuber is very large, up to 500 grams per plant. The stem is yellowish, and it is yellowish green when it is young. It is a domesticated variety in southwest China.

What are the methods of raising seedlings?

1. Selection of cultivation sites

The site for seed cultivation should not be the same as the cultivation bed, but should be selected in a place where it is convenient to manage and can be sheltered from the wind, such as near the house. However, it should not be bordered with vegetable fields around to prevent vegetable diseases and insect pests from infecting Gastrodia elata flower stem plants. It is required that the soil is loose and does not accumulate water. if the soil is not good, it can also be replaced by other fixtures that can keep moisture and diuresis.

2. Seedling raising time

Spring is the best time to raise seedlings of Gastrodia elata seeds. Gastrodia elata has strict requirements on the environment, and the temperature, air humidity and light degree all need to be in a stable and suitable range, otherwise it can not grow normally.

3. Sowing and raising seedlings

It takes about 20 days for Gastrodia elata seeds sown in spring to germinate. The fungus section tubes with a diameter of 5-8 cm and a length of 30 cm are arranged at the bottom of the border according to the square shape of "field", 15 cylinders per square meter are discharged, and the branches with a diameter of about 2 cm and a length of 10 cm are scattered in the open space of the mushroom box. Each square box is scattered about 2 kg flat with the fungus. If you use the method of cutting seedlings, you need the top and bottom of the plant morphology, otherwise the top down, the plant can not grow, because auxin can only be produced from the top and transported downward.

4. Seedling management

The suitable germination temperature of Gastrodia elata seeds is 22-25C, and the temperature at the initial stage of seedling cultivation is not enough, so plastic film or straw should be covered to increase the ground temperature. In addition, a good grasp of humidity in the bacterial bed should always be kept humid, in addition to filling enough water in the cellar when sowing, pay attention to check the change of humidity after sowing. When Rain Water is too much in autumn, he should cover the rain properly and pass through the surrounding drainage ditches to ensure the timely discharge of topsoil water.

The growth and development of Gastrodia elata has specific environmental conditions and material basis, so it has strict requirements for natural conditions and geographical environment. In the process of planting Gastrodia elata, the varieties suitable for planting must be selected according to the local characteristics. in addition, the production cycle of Gastrodia elata is longer, and adequate preparations should be made from seedling raising to management to harvesting.

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