How to plant crape myrtle seeds, loose soil / spring sowing is the best choice.

Crape myrtle is a kind of flower with a long history in China. with the development of time, it can be seen all over the world, and many people are raising it all over the world. With more and more people raising it, the question about how to reproduce crape myrtle has also caused people's relationship. In fact, it is generally common to sow and reproduce, so how to plant crape myrtle seeds? Next, the editor will take you to learn about it.

How to plant crape myrtle seeds

About how to plant crape myrtle seeds, in fact, it is simple and difficult to say, mainly depends on whether you master the correct method, if the method is correct, it is relatively simple to grow, if the method is not right, it is likely to be self-defeating, resulting in crape myrtle can not survive, in the following there is a correct method of sowing and reproduction, you can understand.

1. Seed treatment

When sowing and propagating crape myrtle, its fruit is generally selected. The fruit of crape myrtle is generally ripe about November-December every year, then we can pick its fruit, and the seeds need to be pre-treated before reproduction. First of all, we need to remove the peel of the fruit, then put it in a cool and dry place to dry, store it in a container after drying, and then sow the seeds the following spring.

two。 Soil selection

To say how to plant crape myrtle seeds, in fact, the method is very simple, mainly the choice of soil needs to pay attention, as long as the right soil, the survival rate after planting is still very high. In terms of seeds, we can choose a relatively loose sandy soil, which has better drainage and will be more conducive to the absorption of nutrients by crape myrtle.

3. Sowing method

Before sowing, we have to flatten the selected basin soil, and then sow the seeds evenly on the soil surface. When sowing, the main row spacing is slightly larger, and after sowing, we can cover the soil around 2cm after sowing. When watering, we can choose a spray pot, so that the watering will be more uniform, generally watering the soil moist, and it can sprout in about 10 days after everything is done.

II. Follow-up management

1. Fertilizer application

After the completion of sowing, we need to carry out follow-up management, in the seedling period, crape myrtle is relatively fragile, then we need to fertilize it, remember to dilute the fertilizer before fertilization, so that the seedlings can be better absorbed, as for the specific fertilization methods, you can refer to the article on how to fertilize crape myrtle, which will not be introduced too much in this editor.

two。 Watering

Water is an indispensable nutrient in the growth process of crape myrtle, we can choose to see dry watering in spring, but we need to increase the frequency of watering in summer, because the summer temperature is higher and water evaporates faster, so basically every day needs watering.

How to reproduce, grafting, sowing and cutting of crape myrtle

How to reproduce crape myrtle, there are many ways to reproduce crape myrtle, which can be grafted, cut, pressed and sown. Five propagation methods of crape myrtle are sorted out below to help flower friends better breed crape myrtle.

How to propagate crape myrtle 1. Grafting breeding method

The grafting time of crape myrtle can be chosen from late February to early March every year.

First of all, strong seedlings should be selected as rootstocks for grafting, and split grafting can be used when grafting. A knife with a depth of about 5-8 cm is vertically split in the outer part of the top of the rootstock, and 2 scions about 5-8 cm long with buds are cut into a wedge, then inserted into the split of the rootstock at the cambium, and then wrap the whole ear with plastic film so that only the bud is exposed.

Grafting allows branches of different colors to be grafted layer by layer on a single rootstock to form a "multi-color tree".

2. Softwood cutting method.

The cuttage time of tender branches of crape myrtle can be better from July to August every year, because at this time the new branches of crape myrtle grow vigorously and the survival rate is high.

Cuttings selected semi-lignified branches, pruned to a length of 8-10 cm, leaving 2-3 leaves at the top. The depth of cutting is about 3-4cm. Then it should be watered thoroughly and put in a cool and ventilated place for maintenance. Generally, twig cuttings can take root about 20 days later.

3. Hardwood cutting method

The hardwood cutting time of crape myrtle can be between mid-late March and early April every year, and it is better before the branches germinate.

Cuttings can be cut with annual strong branches and trimmed to about 15 cm long, and then cut into a well-drained loose sandy loam seedbed, preferably with the cutting depth of the uppermost bud exposed. After the cutting is finished, it is watered thoroughly, covered with plastic film for heat preservation and moisturizing treatment, and then put in a cool and ventilated place for maintenance.

4. The method of striping propagation

Crape myrtle flower striping time can generally be carried out in crape myrtle peanuts for a long time, which is better from March to April every spring.

You can use the air striping method, the branches should select 1-2-year-old strong branches, and use a knife to peel the branches about 1.5 cm, the depth to expose xylem is better, at the same time, about 3 cm above the wound can be coated with diluted rooting powder.

After the powder is dried, put a barrel-shaped plastic bag cover on the cut, fill it with loose garden soil, pour water into both ends of the bag, check again for a month, pay attention to the moisturizing of the soil in the bag, and so the roots can be cut off and planted.

5. Sowing and propagation methods

The sowing time of crape myrtle can be carried out from March to April. If you choose to sow seeds in the outdoor open field, flower friends can spread the seeds evenly on the leveled seedbed. Sprinkle 2-3 tablets every 3-4cm. After sowing, cover with fine soil about 2cm thick. About 10 to 14 days after sowing, most of the seeds sprouted and unearthed. After unearthing, it is necessary to ensure the wetness of the soil, after the seedlings grow 2 pairs of true leaves.

It can give the seedlings enough growth space and nutritional area, and the flower friends can choose to treat the nursery after rain to keep the air and light between the seedlings.

The planting methods of crape myrtle can be divided into sowing planting and cutting planting.

Introduction of crape myrtle

Crape myrtle, alias: itching flower, itch tree, purple golden flower, purple orchid, mosquito flower, western bayberry, hundred-day red, bark-free tree, Latin name: Lagerstroemia indica L. Deciduous shrubs or small trees up to 7 m tall; bark smooth, gray or grayish brown; branches twisted, branchlets slender, leaves alternate or sometimes opposite, papery, elliptic, broadly rounded or Obovate, green to yellow when young, purple-black when mature or dry, loculicidal; seeds winged, ca. 8 mm. The flowering period is from June to September and the fruiting period is from September to December. Crape myrtle tree is graceful, the trunk is smooth and clean, and the flowers are colorful; when it blossoms in summer and autumn, the flowering period is long, so it is known as "hundred days of red" and "green in midsummer covers the eyes, and this flower is full of red". It is a good bonsai material for viewing flowers, stems and roots; roots, barks, leaves and flowers can be used as medicine.

Crape myrtle branches are twisted, branchlets slender, 4-angled, slightly winged. Leaves alternate or sometimes opposite, papery, elliptic, broadly orbicular or Obovate, 2.5-7 cm long and 1.5-4 cm wide, apex mucronate or obtuse, sometimes retuse, base broadly cuneate or subrounded, glabrous or below puberulent along midvein, lateral veins 3-7 pairs, veinlets inconspicuous; sessile or petiole very short. Crape myrtle likes warm and humid climate, light, shade and fertilizer, especially deep and fertile sandy loam, born in slightly humid places, drought-resistant, waterlogging-resistant, warm and cold-resistant, strong sprouting. Crape myrtle also has strong anti-pollution ability and strong resistance to sulfur dioxide, hydrogen fluoride and chlorine.

Planting method of crape myrtle

The planting method of crape myrtle is divided into sowing planting and cutting planting, in which the cutting method is better, the survival rate of cutting is higher than sowing, the flowering of the plant is earlier, the mature plant is faster, and the production of seedlings is also higher.

I. sowing and planting

The sowing and breeding method of crape myrtle can get a large number of strong and neat seedlings at one time. The sowing and planting process includes seed collection, soil preparation and bed preparation, seed germination treatment, sowing time and sowing methods.

1. Seed collection:

The florescence of crape myrtle is from June to September, the florescence is longer, the flowers and fruits coexist, and the results are orderly. From September to November, when the capsule changes from green to brown and individual begins to crack, collect the mature capsule at the base of the inflorescence, remove the pericarp, and store the seeds in a container after drying, the storage location should be ventilated and dry, and the storage time will be until March of the following year.

2. Land preparation to make bed

Crape myrtle has strong adaptability to the environment, drought and cold tolerance, and lax requirements on the soil, but it grows best in deep, fertile and loose soil with slightly acidic and acidic sandy soil. First of all, the soil of the seedbed was hoed, and the sowing ditch was treated according to the specification of wide 20~25cm and depth about 2~3cm.

3. Seed germination treatment.

In order to make the seeds germinate neatly and the germination time is fast, the seeds should be treated by accelerating germination before sowing. First of all, the seeds should be disinfected. The common method is to soak 0.2% potassium permanganate for 1-2 days, and then rinse with clean water many times to remove residual potassium permanganate. After rinsing, soak the seeds in warm water with a temperature of about 45-50 ℃ for 2-3 days. After soaking, remove the seeds and dry them slightly.

4. Sowing time and method:

Crape myrtle is usually sown from March to April, sown in the outdoor open field, and spread the seeds evenly into a leveled seedbed. Sprinkle 2-3 tablets every 3-4cm. After sowing, the soil was covered with fine soil about 2cm thick, and most of the seeds germinated and unearthed after about 10 to 14 days. The wettability of the soil should be ensured after the emergence of 2 pairs of true leaves of the seedlings. In order to ensure sufficient growth space and nutritional area of the seedlings, the nursery should be treated with inter-seedling treatment after rain, so that the air circulation and sunshine between the seedlings should be sufficient. It is necessary to strengthen management during the growing period, apply thin fertilizer 2-3 times from June to July, prevent drought in summer, water regularly and keep the nursery moist, but don't overdo it. The seedling height can reach 50~70cm in winter of that year. Plants that grow well can blossom in the same year. Prune side branches and flowering branches in time after defoliation in winter. Transplant in the early spring of the following year.

2. Cutting planting

Crape myrtle cutting planting can be divided into softwood cuttings and hardwood cuttings.

1. Softwood cutting: softwood cutting is generally carried out from July to August, when the new branches grow vigorously and have the most vitality, and the survival rate of cuttings is high at this time. Select semi-lignified branches and cut them into 10cm cuttings with 2-3 leaves at the top of the branches. The cutting depth is about 8cm, and after cutting, the seedling bed is covered with a layer of plastic film for moisturizing and heat preservation, and a shade net is built for shading. Generally, it can take root in about 15-20 days, remove the film, retain the shade net, and properly water the branches in the growing period. The branches can reach 70cm in the same year, and the survival rate is high.

2. Hardwood cuttings: hardwood cuttings are generally carried out before branches germinate from late March to early April. On the mother plant with good growth, the sturdy annual branches were selected and cut into 10~15cm long branches, and the cutting depth was about 8-13cm. After insertion, pour through water and cover the seedbed with a layer of plastic film for moisturizing and heat preservation. When the seedlings grow 15~20cm, the film can be lifted to build a shade net. If properly watered during the growing period, the branches of the same year can grow to about 80cm.

In addition, crape myrtle can also be planted by striping, ramet planting and grafting.

Striping planting: striping propagation can be carried out throughout the growing season of crape myrtle, and it is better from March to April in spring.

Ramet planting: the sprouting tillers in the rhizosphere of crape myrtle were separated from the mother plant in early spring, and then planted separately and watered enough to survive.

Grafting planting: before the branches of crape myrtle sprout in spring every year, select the stout seedlings as rootstocks, first cut a longitudinal knife (deep 3~4cm) at the top of the rootstock against the outer part, and cut the seam from the heart of the tree; then take the scion with 2-3 buds of 5~8em and cut it into a 3-4cm wedge on both sides of its base. The outside of the scion is slightly thicker than the inside. Put the thicker side of the scion outside and insert the split of the rootstock at the cambium, then wrap the whole spike branch with plastic film to expose the bud. In this method, branches of different colors can be grafted layer by layer on the same rootstock to form a multi-color tree. The film was removed after 2-3 months of grafting, and the length of the ear could reach 50~80cm. The branches should be cut short in time to avoid being broken by the wind, and strong branches could be cultivated. The survival rate of this cultivation method was more than 98%.

Maintenance and management of crape myrtle

The cultivation and management of crape myrtle is extensive, but the withered branches, disease and insect branches should be cut off and burned in time. In order to prolong the flowering period, crape myrtle [2] should timely cut off the branches that have already flowered, make them sprout again and grow the next round of flower branches. For the thick branches of the trunk, you can cut off a large number of flower branches and concentrate on nutrition to cultivate the trunk. Practice has proved that: proper management, crape myrtle can be pruned many times a year to make it blossom many times, up to 100-120 days.

Strengthen the lighting: crape myrtle likes the sun, the growing season must be placed in the outdoor sun.

Timely watering: the basin soil should be kept moist in spring and winter, and watered every morning and evening in summer and autumn. Under drought and high temperature, watering times can be increased appropriately every day, with river water, well water, Rain Water and tap water stored for 2 to 3 days.

Regular fertilization: potted crape myrtle fertilized too much, it is easy to cause branches and leaves to grow, if lack of fertilizer leads to thin branches, yellow leaves, weak growth of the whole plant, little or no flowering. Therefore, to apply fertilizer regularly, it is necessary to apply more fertilizer in spring and summer, less in autumn, and not in dormancy in winter. Do not apply fertilizer at noon on rainy days and high temperatures in summer. According to the principle of "applying thin fertilizer frequently", fertilizer concentration should be applied every 10 days from the Beginning of Spring to the Beginning of Autumn, once every half month after autumn, and stop after the Beginning of Winter. [6]

Reasonable pruning: crape myrtle is resistant to pruning, strong branching ability and large shoot growth. Therefore, the residual flowers should be cut off after flowering, which can prolong the flowering period and cut off the overgrown branches, overlapping branches, crossed branches, radiant branches and diseased branches at any time so as not to consume nutrients.

Change the basin in time: the potted crape myrtle changes the basin soil every 2 to 3 years, and the culture soil is mixed with 5 parts of loose mountain soil, 3 parts of pastoral soil and 2 parts of fine river sand. When changing the basin, organic fertilizer such as bone powder and bean cake powder can be used as base fertilizer, but the fertilizer can not be in direct contact with the root system so as not to damage the root system and affect the plant growth.

Geographical distribution of crape myrtle

Growing or cultivated in Guangdong, Guangxi, Hunan, Fujian, Jiangxi, Zhejiang, Jiangsu, Hubei, Henan, Hebei, Shandong, Anhui, Shaanxi, Sichuan, Yunnan, Guizhou and Jilin, native to Asia and widely planted in the tropics.