Seed price and planting method of Paeonia lactiflora

Paeonia lactiflora, also known as greedy tail spring, boneless flower, black bark, etc., is a perennial herbaceous flower of the peony family, known as "flower immortal" and "flower phase", and is listed as one of the "top ten famous flowers", also known as "Mayflower God". Because it has been regarded as the flower of love since ancient times, it has been regarded as the representative flower of Qixi Festival. Let's take a look at the seed price and planting method of peony.

How much is the peony seed per jin?

The price of peony seeds is about 3040 yuan per jin, but it varies greatly due to the quality, variety, producing area and market of the seeds. The traditional propagation methods of Paeonia lactiflora are ramet, sowing, cutting, striping, etc., of which the split method is the most easy and widely used, and the sowing method is only used to cultivate new varieties and produce grafted peony rootstocks or medicinal materials. Because the characters of the offspring produced by sowing of peony horticultural varieties should be separated and can not maintain the good characters of the original varieties, so the sowing method can not be used for the reproduction of seedlings.

Sowing method of Paeonia lactiflora

1. Seed harvesting: the seeds of peony are not hot too early, and the seed coat blackens and hardens too late to emerge. Do not expose the seeds to harden the seed coat and affect seedling emergence. If you can not sow seeds in time, they can be stored and moisturized, but they must be sowed before rooting.

2. Sowing time: Paeonia lactiflora must be collected and sowed in time in the same year, and the germination rate will be greatly reduced in the next spring, and even if the seedlings emerge, they will die easily because of the underdeveloped root system of the seedlings, which is difficult to resist the drought in spring.

3. Seed treatment: although the seed coat of Paeonia lactiflora is thin, it is easy to absorb water and germinate, but if the seed is treated before sowing, it will germinate more neatly and the germination rate will be greatly improved. The method is to soak the seeds in 50 ℃ warm water for 24 hours and sow immediately after sowing.

4. Soil preparation and fertilization: the peony sowing and seedling land should be fertilized with sufficient base fertilizer, and if the soil is moist and suitable for sowing, you can do border sowing directly. If the soil moisture is poor, you should fully irrigate, and then do border sowing. The width of the border is about 50 cm, and the distance between the borders is 30 cm.

5. Sowing method: peony seeds can be sown on demand, unsown, strip sowing or hole sowing, covered with wet soil after sowing, with a thickness of about 2 cm, sowing about 50 kg per mu and sowing about 100 kg per mu, covered with plastic film after sowing, and removed after sprouting and unearthed the following spring.

Planting methods of Paeonia lactiflora

1. Soil selection: Paeonia lactiflora is suitable for sandy loam with loose and good drainage, but its growth is poor in clay and sandy soil. High soil water content and poor drainage are easy to cause rotting roots. Neutral or slightly acidic soil is suitable, but saline-alkali soil is not suitable for planting.

2. Intermediate ploughing and weeding: after the peony seedlings are unearthed, ploughing and weeding should not be deep in time, so as not to damage the young roots. During summer drought, it should be ploughed to preserve soil moisture, and weeding should be done 3 or 4 times a year.

3. Watering management: Paeonia lactiflora prefers the high and open terrain and relatively dry environment, which does not need regular irrigation, because it is fleshy root, so it is particularly intolerant to waterlogging. Stagnant water for 6 hours and 10 hours often leads to rotting roots.

4. light management: the peony can grow luxuriantly and brightly in the growing period, but it can also grow normally in the light shade, and it can appropriately reduce the temperature and increase the humidity at the flowering stage, so as to avoid the burns of strong sunlight, so as to prolong the viewing period.

5. Temperature management: Paeonia lactiflora is a typical temperate plant, which likes temperature and cold tolerance. It can survive summer safely when the maximum temperature reaches 42.1℃ in summer, and it can still grow and blossom normally when the lowest temperature is-46.5℃ in winter.

6. timely topdressing: peony applied less or no topdressing in the first year, three times a year since the second year, 1000 kg of human and animal manure per mu in late March, 1500 kg of human and animal fertilizer and 15 kg of calcium superphosphate per mu in the middle of April, and 2500 kg of barnyard manure in the middle of October.

7. Picking buds and pruning: except for keeping seeds, peony usually removes its buds during budding to promote the growth of plants and roots. In order to make peony flowers large and beautiful, they should be removed in time after the appearance of lateral buds, so that nutrients can be concentrated on the main buds to achieve the desired goal.

Disease and insect control of Paeonia lactiflora

1. Black spot

[harm] the harm of black spot is very serious. at first, small black-brown spots occur on the leaves, and then expand into irregular wheel patterns, which are connected to each other, so that the green leaves die.

[control] it can spray Bordeaux solution or 500 times zinc or manganese, cut off and burn the damaged part, and stop continuous cropping three or four years after peony planting.

2. White silk disease

[harm] when the white silk disease is serious, the whole plant dies or the whole leaf dies. At the base of the infected plant, black-brown wet disease occurs first, and then white mycelium appears on the soil surface or at the base of the plant.

[prevention and control] in order to prevent the occurrence of the disease, soil disinfection or replacement of aseptic soil can be carried out during planting, and the diseased plants can be cut off or burned. Before the disease occurs, 50% carbendazim wettable powder is sprayed regularly 500 times.

3. Grub

[harm] the grub is the most harmful from April to September. It bites the root of Paeonia lactiflora in the ground, and when it is serious, it can make the aboveground branches and leaves turn yellow and wither.

[control] Deep ploughing in winter can kill grubs over the winter, and 50% marathon emulsion can be sprayed during the harm period.

4. Aphids

[harm] aphids pierce the leaves with mouthparts to suck the juice, making the leaf edge curl to the bottom and turn yellow, and when the seedlings grow up, they often gather on the tender shoots, flower stalks and leaf backs, so that the stems and leaves of the seedlings curl and atrophy, and when serious, the whole plant wilts.

[control] eliminate overwintering weeds and spray 4% dimethoate or 2.5% fish vine semen to protect the natural enemies of aphids, such as lady beetles, aphid flies, lacewings, etc.

5. Scale insects

There are several kinds of shell insects that harm peony, such as cotton scale, Japanese wax scale, long white shield scale, mulberry white shield scale, peony round scale, sagittal shield scale and so on, which absorb the body fluid of peony, weaken the plant growth and turn the branches and leaves yellow.

[prevention and control] when it is found that individual branches are harmed by shell insects, soft brushes can be used to remove or cut off the insect-infested branches and burn them, and spray the eggs during the incubation period. It is best to strengthen quarantine and strictly prevent the introduction of insect-carrying seedlings.