The efficacy and function of Qingming grass

The efficacy and function of Qingming grass

The efficacy and function of Qingming grass, a kind of wild grass, can be eaten as a vegetable at ordinary times or boiled as a herbal medicine. It has certain curative effect on human body and is deeply loved by people. Let's talk about the efficacy and function of Qingming grass first.

Efficacy and function of Qingming grass 1 1 lowering blood pressure

Qingming grass can effectively lower blood pressure and is suitable for people with hypertension. Grass contains a lot of carotene, a little vitamin B, lipids, rhamnose, potassium chloride, potassium nitrate and other elements, which can lower human blood pressure and treat hypertension.

2, cough and phlegm

It is also one of the functions and functions of Qingming grass to relieve cough and phlegm, clear lung and eliminate dampness. It tastes sweet and light. For people with bronchial inflammation and chronic tracheitis, eating Qingming grass can reduce cough, eliminate sore throat and play a good role in resolving phlegm.

3. Nourishing yin and benefiting qi

Qingming grass has the effect of nourishing yin, so eating Qingming grass can nourish yin and replenish qi. In the case of qi and blood weakness after illness, Qingming grass can supplement people's qi and blood and is beneficial to health.

Step 4 quench thirst and relieve summer heat

Qingming grass can also quench thirst and relieve summer heat, and has annealing medicinal value for human body. Soaking Qingming grass with water in summer has a good effect of clearing away heat and relieving summer heat, and can achieve the effect of quenching thirst, so that people will not feel unbearable heat and rising mood in summer.

5, cool blood and detoxify

Cooling blood and detoxifying is also a major effect of Qingming grass. Oral administration after decoction can effectively treat blood-heat headache, hematemesis, insomnia, dry cough and other diseases. External application after crushing also has a good detoxification effect and can treat snake venom.

6, antibacterial and anti-inflammatory

Shigella sonnei, staphylococcus aureus and other bacteria in the human body interact with the medicinal components of Qingming grass, which will be inhibited, thus achieving anti-inflammatory and bactericidal effects. For people with non-infectious ulcers caused by such bacteria, it is very beneficial to choose Qingming grass.

The efficacy and function of Qingming grass 2 Qingming grass culture

Soil selection:

Choose loam with deep soil layer, loose and moist soil, rich organic matter, convenient irrigation and drainage, and good water and fertilizer conservation to apply base fertilizer. Dig deep into the pit soil before sowing, and apply decomposed livestock manure 1000 kg per mu. Make a tall box with a width of 1.5m and a trench depth of 20-25cm. After pruning and raking, you can sow.

Sowing time:

Seeds germinate easily, but the germination rate is low. The suitable germination temperature is 15℃, and 15-20℃ is the fastest, so it can be planted in Yichun in production. Spring sowing time is from late February to mid-April, and it can also be planted in anti-season greenhouses.

Sowing:

Cultivation has wide adaptability to soil, light requirements are not strict, and it is resistant to weak light and bolting and flowering under high temperature and short light conditions. The plant is small, the growth period is short, and it can be intercropped with other vegetables. The sowing amount is 0.5- 1kg/ mu, and the row spacing is 10 cm. When sowing, the seeds are mixed with fine sand. In order to ensure uniform sowing, cover the soil with 1 cm after sowing, and spray water frequently to keep the soil moist. Sow in sunny days in spring and cover with plastic film after sowing. After emergence, properly control water and maintain appropriate temperature to promote the robust growth of seedlings.

morphological character

Panicum miliaceum. The stems are upright or the branches from the base are inclined upward at the lower part, with a height of 10-40 cm or higher, a diameter of the base of about 3 mm, unbranched at the upper part, furrowed, covered with thick white cotton wool, and the internodes are 8-20 mm long, and rarely reach 5 cm at the upper part. Leaves sessile, spatulate oblanceolate or obovate spatulate alternate, 5-7 cm long,114 mm wide, upper leaves 15-20 mm long, 2-5 mm wide, tapering at the base, slightly downward, and rounded and pointed at the top.

There are more or less heads, 2-3 mm in diameter, subsessile, densely forming corymbose inflorescences at the top of branches, with yellow to light yellow flowers; Involucre bell-shaped, about 2-3 mm in diameter; The involucral bracts are 2-3 layers, golden yellow or lemon yellow, with glossy membrane, the outer layer is obovate or spoon-shaped, the back base is covered with cotton wool, the top is round, the base is tapered, about 2 mm long, the inner layer is spoon-shaped, the back is usually hairless, and the top is blunt, 2.5-3 mm long; Receptacle center slightly concave, glabrous. There are many female flowers, the corolla is thin and tubular, about 2 mm long, the top of the corolla is enlarged, with 3 teeth, and the lobes are hairless. Bisexual flowers are few, tubular, about 3 mm long, gradually expanding upward, 5-lobed, triangular lobes acuminate, glabrous.

Achene obovate or obovate-cylindrical, about 0.5 mm long, with a protuberance. The crown hair is rough, dirty and white, easy to fall off, about 1.5 mm long, and the base is combined into two bundles. Flowering:1-April, 8-165438+1October.