Planting techniques of Artemisia annua L.
Before planting artemisia vegetables, be sure to choose a good soil, generally choose fertile sandy loam soil for planting. After selecting the soil, soak the seeds in the greenhouse for one day to accelerate germination, and after budding, sow them on the soil. When 2-3 true leaves are grown, and time seedlings are used to replenish seedlings, keep the temperature at 17-20 degrees, keep the soil moist, apply base fertilizer at the right time, and do a good job in pest control and other basic management work can grow healthily.
High-yielding planting techniques of Artemisia annua L.
1. Variety selection: which variety should be chosen?
Artemisia annua is mainly divided into small-leaf chrysanthemum and large-leaf chrysanthemum, in which Artemisia angustifolia is more cold-resistant, strong aroma, faster growth, generally only January and a half to February can be harvested, but the yield is low. Artemisia annua L. has broad leaves, high yield, tender and short branches and good varieties, but it has the disadvantages of slow growth and late maturity.
2. Environmental factors: under what environment is it suitable to grow?
Artemisia annua originated in China, its adaptability is strong, has a certain cold resistance, like cool, humid environment, the suitable temperature for growth is 17-20 degrees, not resistant to high temperature, when the temperature is higher than 29 degrees, the growth is poor. The light requirement is not strict, and it can grow normally in the low light environment; the soil requirement is not strict, and the loose and fertile sandy loam soil is the best; for the loose and fertile sandy loam soil, it is only necessary to keep the soil moist during growth. but too much water will affect its growth and development. In a word, chrysanthemum chrysanthemum can be planted in all major areas of our country.
3. Cultivation techniques: how to cultivate?
Artemisia annua can be sown from February to April in spring, from August to September in autumn and from October to November in winter. Prepare the land and make the bed before planting, select the land with deep soil layer, loose and fertile soil and convenient drainage, and mix the soil and fertilizer evenly after applying sufficient base fertilizer. Then make the border, the general width of the border is about 1.6 meters, which can be changed according to the actual situation. The soil will be fine and raked flat to sow.
Before sowing, soak the seeds to accelerate germination, soak the seeds in the greenhouse for 24 hours, and accelerate the germination in the greenhouse environment. The seeds can be sowed after budding, and the three methods of direct seeding, sowing and strip sowing can be used. The seedlings can emerge after about a week of sowing. When the seedlings grow 2-3 true leaves, the seedlings can be interspersed with a row spacing of 5-6cm, which should not be too thin or too dense. When planting, we should pay attention to fertilizer and water management, watering and fertilizing according to the weather and plant growth.
4. Prevention and control of diseases and insect pests: how to control?
The main diseases of Artemisia annua were anthracnose and downy mildew, which were sprayed with 1000-fold solution of Prike, while the pests were mainly aphids, and 1500-fold solution of imidacloprid was sprayed to control the disease.
The above is the introduction of artemisia planting technology, I hope it will be helpful to you.
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