High-yield planting techniques of Artemisia annua L. in "Emperor vegetable"

Artemisia annua, also known as Imperial vegetable, Artemisia, cauliflower and so on, has high edible value and medicinal value, and can also be cultivated as an ornamental plant. So, what are the high-yield planting techniques of Artemisia annua? Let's get to know it together.

1. Variety selection

Artemisia annua is mainly divided into small-leaf chrysanthemum and large-leaf chrysanthemum, in which small-leaf chrysanthemum is more cold-resistant, strong aroma and fast growth. generally, it only needs to be harvested from January and a half to February, but the yield is low, the leaf is wide, the yield is high, the branches are tender and short, and the variety is good, but the disadvantage is slow growth and late maturity. The main plant is Artemisia annua, which has high yield and good market price. However, the selection of varieties should be made according to the actual situation of the planting place. If it is in the north, it is generally planted in Artemisia annua. If it is in the south, it is generally planted in Artemisia annua.

2. Environmental factors

Artemisia annua originated in China, its adaptability is strong, has a certain cold resistance, like cool, humid environment, suitable temperature for growth is 17-20 degrees, not resistant to high temperature, when the temperature is higher than 29 degrees, poor growth, chrysanthemum Artemisia annua is not strict to the light, it can also grow normally in the low light environment, and the soil requirements are not strict. The loose and fertile sandy loam soil grows best and the moisture requirements are not strict. When growing, you only need to keep the soil moist. However, too much water will affect its growth and development. In a word, Artemisia annua can be planted in various regions of our country.

3. Cultivation techniques.

There are three kinds of Artemisia annua in a year, sowing in February-April in spring, sowing in August-September in autumn and sowing in October-November in winter. Before planting, prepare the soil to make the bed, select the land with deep soil layer, loose and fertile soil and convenient drainage, mix the soil and fertilizer evenly after applying sufficient base fertilizer, and then make the border. The general width of the bed is about 1.6 meters. It can be changed according to the actual situation, fine the soil, rake flat and sow. Soak the seeds to accelerate germination before sowing, soak the seeds in the greenhouse for 24 hours, put them in the greenhouse environment to promote germination, and sow after budding. Sowing can be done by direct seeding, sowing and strip sowing. Seedlings can emerge about a week after sowing. When the seedlings grow 2-3 true leaves, the seedlings are generally spaced at 5-6cm, so pay attention to fertilizer and water management when planting. Watering and fertilizing according to the weather and plant growth.

4. Control methods of diseases and insect pests

Artemisia annua will generally get downy mildew due to temperature and moisture, so it is necessary to use Prik or spray with 1000 times liquid to control it immediately, otherwise it will greatly reduce the yield. The insect pests of Artemisia annua are mainly aphids. Spraying 1500 times solution of imidacloprid to control the disease, you can start harvesting when it grows to 15-20 cm, usually every 20 days or so, so as not to affect the quality.

The above are the high-yield planting techniques of Artemisia annua. I hope I can help you!