Pyrethrum planting method and pyrethrum seed price introduction | Pyrethrum picture

Pyrethrum is a kind of compositae with very good economic value and ornamental value. Its roots, leaves, flowers and stems are rich in toxic substances, which can be refined into pyrethroid extracts. Processing can produce a lot of insecticides, killing mites, flies, vegetable worms and other harmful pests. The leaf part of pyrethrum can also be made into a literature, which can achieve mosquito repellent, flies, good effect on lice, fleas and bedbugs, and no pollution to the environment. It is a herbal medicine. In many places, artificial cultivation of pyrethrum is carried out. Here is a brief introduction to the method of planting pyrethrum and the seed of pyrethrum. The price of pyrethrum seeds is briefly understood and an appreciation of the pyrethrum picture is made.

Ecological habit

Pyrethrum is a perennial herbaceous plant of the genus Compositae, which prefers to grow in well-drained, slightly alkaline sand. Moreover, pyrethrum is more resistant to low temperatures but is afraid of frost and sitting. It is suitable for growing in a mild climate, and the annual average rainfall is relatively small, and the lighting is relatively adequate. The ability of pyrethrum to adapt to the environment is very strong. It is generally suitable for growing in the temperate zone and cold temperate zone at an altitude of 700-2500m. It is planted in large quantities throughout the country and has good economic benefits.

How to plant pyrethrum seeds

The methods of pyrethrum include seed propagation, branching, and cutting propagation. Generally, it is a method of seeding a large area of ​​seeds. Choose high ground, good drainage, grow in a sunny leeward environment, disinfect the soil before sowing, which is more conducive to prevent the damage of pyrethrum during the growth process. Use 2-3g of pyrethrum seeds per square meter, soak in water at 20-22 degrees Celsius for one day, then use potassium permanganate solution to disinfect, then mix the seeds with grass charcoal. .

1. Sowing time: The pyrethrum seeding is generally carried out in the middle and late July. The seeds are immersed for 1-2 days before sowing, and placed in a water temperature of 20 degrees Celsius for two days. The treated pyrethrum seeds and fine sand are distributed to the cockroaches, and then uniformly dispersed. After sowing, use finer soil to cover the seeds, then use loose wool or straw cover, pour enough root water to maintain the wetness of the seedling before emergence. It is necessary to topdress the seedbed, which is beneficial to the growth of the pyrethrum seedlings.

2. Soil: Pyrethrum requires a lot of water in life, the fertile soil is chosen, and it is best to be close to the water source.

3. Transplanting: Pyrethrum is generally transplanted in late September. If the large line is 0.6m, the small line is 0.4, and the distance of the plant is 0.4m, which is more conducive to plant growth.

4. Weeding: After the transplanting of pyrethrum, appropriate weeding should be carried out, and the ditch should be dredged to ensure that the soil is not accumulated.

5. Watering: During the growth period of pyrethrum, proper watering should be carried out to maintain the moistness of the soil. Watering should be carried out properly during flowering, and watering should be carried out once a week before the flowering period. .

6. Fertilization: The first fertilization of pyrethrum is to raise the seedling fertilizer. At the time of transplanting for almost one month, the nitrogen fertilizer is applied and fertilized with ammonium carbonate and urea mixed water. The second fertilization is carried out in the hair transplanting fertilizer, one month after the first top dressing, and watering with water using bovine and potassium sulfate fertilizer. The third time was a week before the start of the spring, using compound fertilizer to water. The fourth fertilization is called a strong cost, using compound fertilizer to water the water.

Pyrethrum seed price

Pyrethrum has very good ornamental value and economic value. In recent years, many places have been planting pyrethrum in large areas. Therefore, the price of pyrethrum seeds has also increased, generally between 60-100 yuan, depending on the amount of demand, the price is different.

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