Methods of propagation of Glehnia littoralis

Radix Glehniae is the root of Coral vegetable, a plant of Umbelliferae, which is processed and dried for medicinal use. it has the effects of moistening the lungs and relieving cough, nourishing the stomach and promoting fluid, etc. it is used for lung dryness and dry cough, fever, injury and thirst, and has strong adaptability to the climate. It is mainly produced in Laiyang, Weifang, Hebei, Liaoning and other places in Shandong Province. Now let's take a look at the breeding methods of Radix Glehniae.

Seed treatment of Radix Glehniae

Radix Glehniae is a deep-rooted plant. Before sowing, it is necessary to dig the ground deeply, rake flat, soak the seed wings in warm water of 25 degrees for 4 hours, mix 2/3 wet sand, freeze in the box, and sow seeds in spring after thawing. Autumn sowing should be sowed before freezing, spring sowing seeds should not be treated with sand, otherwise seedlings cannot emerge in the same year.

Sowing method of Radix Glehniae

Autumn sowing in a shallow trench with a depth of half a centimeter according to row spacing of 5-6 cm, covering soil and watering seeds 4-5 cm apart, covering straw, watering once more before freezing, covering with a layer of ring fertilizer, spring sowing before and after the Qingming Festival to Grain Rain, the method is the same as above, seeds do not need low temperature freezing treatment, no seedlings come out after planting, if not treated, it is best to sow, sowing 75 kg per hectare on sandy soil and 90-112.5 kg per hectare on pure sandy soil. Fertile soil with irrigation conditions can sow 52.5-60 kg per hectare. After sowing, pure sandy land is suppressed with yellow mud or small crispy stone to avoid loss caused by wind-blown sandy soil. When the waterlogged land is frozen, the seeds sown in autumn will emerge in March of the following year.

Seedling Management of Radix Glehniae

1. Management of winter and spring: Beishanshen winter sowers move snow to the ground after snow in winter, which is conducive to preserving soil moisture. Ginseng fields are frozen by rain and snow in winter, and the topsoil is often hardened after thawing in the following spring. Therefore, before and after the seedlings are unearthed, gently swing with an iron rake to make the soil firm, so that the seedlings can not be suppressed if the soil is too wet.

2. Seedling determination: after the ginseng seedling is unearthed, the small hook can be used to gently scratch the land and remove weeds to loosen the topsoil to facilitate the seedling growth. when the ginseng seedling grows 2-3 true leaves, the seedling should be separated by the triangular seedling method, the plant distance is about 3 cm, the root of the ginseng is thick and loose, the quality is not good, and the growth is bad.

3. Drainage and irrigation: Beishanshen has strong drought resistance and is most afraid of waterlogging, and generally mild spring drought, which is beneficial to the downward growth of roots and the depth of roots. With spring waterlogging, ginseng roots grow slowly and roots are thick and short, so there is a saying that "spring waterlogging does not come out". In case of a serious drought in spring, you can properly water the ground, and pay special attention to timely discharge of stagnant water in the late growth period and rainy season of Radix Glehniae in order to prevent rotting roots.

4. Reasonable topdressing: after Beisha Shending seedlings, 50 kg of fermented soybean cake fertilizer can be applied per mu, 1 kg of trichlorfon powder is mixed in the fertilizer, and then the soil is loosened and watered. Before and after "Lesser Heat", 10-15 kg urea per mu can be applied before the selection of rain. When ginseng appears flower buds in a year, it should be picked in time to promote root growth.