Maintenance of African Impatiens in the stage of Culture and germination

The application of African impatiens is very manageable and can be planted on a large scale in nutrition bowls, pots and gondolas. But if you want to breed African impatiens by sowing, you need to pay attention to every step of sowing. The editor will introduce to you the maintenance methods at the stage of culturing and sprouting in African impatiens.

African impatiens

The seeds of African impatiens need to be covered with a thin layer of medium-sized vermiculite to moisturize. When the pH value of the substrate is from 6.2 to 6.5, when the pH value is less than 5.5, it will lead to terminal bud damage and sodium poisoning, and the EC value is 0.5 to 0.75. Seed germination needs light, such as dark room culture, need to be given light intensity of 100 lux to 1000 lux, to ensure germination and reduce overgrowth. The water content was maintained at level 5 until the radicle was emitted; from 3 to 7 days after sowing, the water content was reduced to level 4; from 8 to 10 days, it was reduced to level 3; after 11 days, the water content was reduced to level 2 until the cotyledons unfolded (water content: 0% to 20%, grade 2, 20% to 40%, grade 3, 40 to 60%, grade 4, 60 to 80%, grade 5, 80 to 100%). Do not let the leaves of the seedlings remain moist overnight, or it will lead to abortion at the top of the plant. Keep the air humidity at 100% until the radicle grows; then the humidity is reduced to 40% to 70%. Strengthen ventilation, make the matrix moisture evaporate and become dry, and ensure the root ventilation. When the temperature is maintained between 22 ℃ and 24 ℃, when the temperature is more than 25 ℃, it will cause heat shock and inhibit its germination; below 21 ℃, it will reduce the speed and consistency of impatiens germination; when it is lower than 18 ℃, it will cause plant tip abortion and leaf deformity.

How to raise impatiens

Flower bonsai net flower maintenance column: how to raise impatiens, I will introduce to you the breeding methods of impatiens and the prevention and control of diseases and insect pests.

Flower introduction: impatiens, alias through bone grass, buttercup, sprinkled golden flower, mackerel, henna, impatience, fake peach blossom, peach red, nail grass, small red, impatiens impatiens is an annual herbaceous flower.

Impatiens: miss the past, don't touch me.

Place of origin: India, southern China, Malaysia. Now it is widely cultivated all over the world.

Flower cultivation is beneficial: the seeds and stems of impatiens can be used as human medicine, which has the effect of promoting blood circulation and removing blood stasis, diuresis and detoxification, and penetrating the bone; the external application of fresh stems and leaves can treat sore, furuncle, pain and poisonous insect bites; petals can be mashed with garlic juice, which can be used to dye nails, and gray nails can be cured after several times. For viewing, it is a very good potted coffin and can also be used as a cut flower.

Flower appearance: Impatiens plant height is 40cm to 100cm, the stem is fleshy, sturdy and erect, branched above. Leaves alternate, broad or narrowly lanceolate, margin with sharp teeth.

The flower is shaped like a butterfly, with single and double petals, pink, bright red, purple, white yellow, gold sprinkling and so on. The fruit is fusiform, with white hairs, and splits into 5 curly petals at maturity.

Variety selection: stars, fairy scattered flowers, rainbow, ambush on all sides, eight Immortals crossing the sea, Zhu Lip, African Impatiens, New Guinea Impatiens.

Plant selection: the seedlings should bring dirt.

The choice of flowerpots: pottery pots, tile pots, etc.

Preparation of culture soil:

Impatiens like deep, moist, loose, fertile, well-drained slightly acidic soil. Preparation method 1: humus soil, garden soil, river sand and barnyard manure were mixed and prepared according to the proportion of 3, 2, 1 and 1.

Preparation method 2: garden soil, sandy soil, rotten leaf soil or rotten grain husk and base fertilizer were prepared according to 2RV 2RU 1R 1.

Flower cultivation: first put some tiles at the bottom of the pot as a drainage layer, then add some basic fertilizer, add a layer of culture soil on top, then transplant the seedlings into the pot, pour water into the pot and fix the plant, cover the shade for 3 days and then carry out normal maintenance and management.

Fertilization: dilute fertilizer and water can be applied to the plant twice a month, all kinds of organic fertilizer can be applied; before flowering, appropriate topdressing should be applied every 10 days. During flowering, it is necessary to control fertilization, especially not to apply nitrogen fertilizer, so as not to cause excessive growth of stems and leaves, resulting in excessive absorption of nutrients and affecting flowering.

Watering: impatiens like to be wet, but afraid of waterlogging. During the growing period of impatiens, it can be watered every other day to keep the soil moist.

Summer is the peak period of plant growth, plant roots are developed, evaporation is large, it should be watered twice a day, but do not cause stagnant water in the basin or the soil is too wet for a long time, otherwise it is easy to cause rotten roots, so Rain Water should pay attention to timely drainage.

Watering is also uniform, do not let the pot soil suddenly dry and wet, especially in the flowering period, can not let it suffer from drought, otherwise easy to fall flowers.

Impatiens plant near fleshy, water content in the body, in the hot summer, the plant transpiration is large, easy to wilt, must be irrigated at any time, do not water the wilting plant in the hot summer sun, the plant can not immediately adapt, affecting its growth.

Summer watering should be carried out in the early morning or evening, and try to avoid watering at high temperatures at noon.

Pruning: in order to enhance the branching ability of impatiens, after the seedlings are planted and survived, the main stem can be topped. If the base blossoms, it should be picked in time to promote the top of each branch to blossom one after another.

After the flower blossoms, cut off the flower stalk, do not make it seed, the flower blossoms more prosperous.

Light and temperature management: impatiens like light, but also shade, to receive at least 4 hours of scattered light every day. Appropriate shading treatment should be carried out at noon in summer to prevent excessive temperature and hot sun exposure, bringing damage to the plant.

The most suitable growth temperature of impatiens is 20 ~ 35 degrees Celsius, the optimum temperature for germination is 20 ~ 30 degrees Celsius, and the flowering temperature should be controlled above 10 degrees Celsius. Maintenance of important people's rooms in winter to prevent freezing.

Management of flowering and fruiting period: the natural flowering period of impatiens is from June to August, but if various conditions are suitable for its growth, its florescence will be prolonged. The flowering time can also be controlled manually.

For example, it can be controlled by adjusting the sowing. It usually takes 3 months from sowing to flowering, so if you want impatiens to blossom before and after the National Day, you can sow seeds in July.

You can also pick out the early flowers and buds in time through the heart-picking method, so that the plants continue to expand and fertilize every 15 to 20 days, so that more buds will be formed after September, and impatiens can be seen on National Day. Change the basin: when transplanting the seedlings, with the gradual growth of the seedlings, you can change the basin as appropriate. Do not in order to save trouble, directly plant the seedlings into too large basin, so watering is not easy to grasp the degree, not conducive to the growth of plants. The operation of changing pots can be referred to planting on pots.

Reproduction: the main way of reproduction of impatiens is to sow and reproduce.

Sowing and reproduction can generally be sowed between late March and early May every year, and the seedling bed can be watered thoroughly to keep it moist. The seeds of impatiens are relatively small and cannot be watered immediately after sowing, so as not to wash away the seeds. Then cover with about 3mm of thin soil, pay attention to shade, after about 10 days, seedlings can emerge.

When the seedlings grow 2-3 leaves, they should be transplanted, and then gradually planted or cultivated in the pot.

Overwintering: in the late autumn season, life ends when it withered in the event of frost.

Pest control: impatiens is vulnerable to powdery mildew, brown spot, blight, red spiders and other diseases and insect pests.

Powdery mildew mainly occurs on the leaves and shoots of plants. The leaves of the infected plants are covered with a white powder layer, and then the white powder layer forms small yellow dots, and then gradually turns dark brown. Most of them began to occur in June, and the peak period of the disease was from August to September.

In order to prevent the occurrence of this disease, we should pay attention to the ventilation and permeability of the plant, strengthen the fertilizer and water management, and enhance the disease resistance of the plant.

When diseased plants are found, diseased leaves or diseased plants should be removed in time to eliminate the source of infection.

It can also be prevented and treated with 15,000,1200 times solution of 15% chlorhexidine wettable powder or 1000 times solution of 70% methyl topiramate wettable powder.

Do not spray when the temperature exceeds 32 degrees Celsius, so as not to burn the plant.

Brown spot, also known as leaf spot, the disease mainly occurs in leaves. The leaf surface of the infected plant began to appear light yellowish brown disease spot, the disease spot gradually expanded, showing an oval or irregular shape, the middle of the disease spot is light brown, the edge is brown, and there are not obvious wheel lines. This disease often occurs in the warm and rainy season.

Want to prevent the occurrence of this disease, to pay attention to the cultivation of impatiens soil, easy to drain, after the rain to pour the basin drainage, so as to avoid stagnant water in the basin.

In the early stage of the disease, 25% carbendazim wettable powder 300 times, or 50% methyl topiramate 100 times, or 75% chlorothalonil 1000 times solution can be used for prevention and treatment.

The disease mainly infects the root and stem, the stem of the infected plant turns black, white mildew will appear in the diseased part when it is wet, and the plant will dry up and die a few days after the disease.

To prevent the occurrence of this disease, the diseased plant can be removed at the initial stage of the disease, and then sprayed with 75% chlorothalonil wettable powder 600 times.

Once red spiders find pests, they can be killed by sweeping mites or scavenging insects.

The best location: put in the east, south, west balcony for management.

[the culture method of he's impatiens] the prevention and control of diseases and pests should be paid attention to!

Everyone has a love of beauty, and people who love flowers are endless. The beauty and brilliance of flowers can bring people a lot of pleasure, which can not be replaced by other things. People often say that "swords give warriors, flowers send beauties". In their spare time, growing pots of flowers can not only please the body and mind, but also have other value. For example, potted grass and honeysuckle have good medicinal value. But some flowers look beautiful but harmful to the human body! It is said that Ho's impatiens will release carcinogens, but it is recommended not to keep them indoors. Whether it causes cancer remains to be verified, but its beauty is obvious to all. He's impatiens, native to tropical Africa and now widely cultivated all over the world, are favored by many flower lovers. Let's take a look at the breeding method of he's impatiens.

Cultivation and Management of he's Impatiens

He's impatiens is a plant that blossoms in four seasons. The common method of propagation is mainly cutting, which can be done all year round, but in the last two seasons of spring and autumn. Because it is neither cold-resistant nor heat-resistant, it likes a warm environment. It should be placed in a shaded and well-ventilated place in summer, and the room temperature should not be less than 12 ℃ in winter. At the same time, it should be placed in a sunny place, otherwise the leaves are easy to yellowing and fall off. The suitable temperature for he's impatiens to grow is about 15 ℃. The cultivation of he's impatiens should be made of loose, fertile and well-drained soil, or mixed with rotten leaf soil, garden soil and a small amount of fertilizer. In the process of collecting cuttings, be careful not to tear the cortex so as not to affect rooting. Finally, the seedlings are plucked two or three times to make the plant open, making the posture more plump and graceful. The lower part of the cuttings should be immersed in a container containing an appropriate amount of water, and the cuttings should be properly fixed, and then placed in the sunny place to change the fresh water once a day to prevent the root of the cuttings from rotting. In the growth period, it is best to apply compound fertilizer every half a month, but not too much nitrogen fertilizer, otherwise the branches and leaves absorb too much nutrients and affect the amount of flowering.

The Culture method of he's Impatiens-- Disease and Pest Control

Impatiens is particularly susceptible to powdery mildew. If you prevent it in advance, the probability of suffering from powdery mildew will be greatly reduced. The most important thing is that the environment should be ventilated, preferably with scattered light or semi-light. If 1000 times triadimefon solution is used for foliar spray in spring, summer and autumn, powdery mildew can be well prevented. If the disease has occurred, it can be cured by spraying every 7-8 days for 2-3 times in a row. Remember, if you are ill, you will be treated early. Among the insect pests of impatiens, the most important are mites, which are often called red spiders. In addition, there are aphids, moths and so on. Once pests are found, they can be sprayed and killed with mite-cleaning or mite-cleaning. The effect is very obvious.

Reproduction method

Cuttage

Methods: the seedling hole plate of 10 × 10 specification was selected, and the cultivation medium could be packed into the seedling hole plate with charcoal ash: sawdust: vermiculite = 4:3:3. Taking cuttings from the mother requires that the cuttings must retain three nodes. When cutting, gently insert the cuttings into the substrate and be careful not to lose the cuttings as much as possible. The cuttings should be watered immediately, then sprayed with 1000 times of chlorothalonil and sprayed for 10 minutes every 30 minutes to ensure that the leaves are moist, but not dirty. It can take root in 10 to 14 days, and the rooting survival rate is more than 98%. When the length reaches 10 cm, leave 2-3 nodes to pinch off the tip. In this way, 3-5 branches can be produced from each node, and a finished product with a direct crown width of 30-50 cm can be formed after 10 weeks.

Seed

Impatiens seeds are small, but have a long life. The germination rate of impatiens seeds stored indoors for 3 years can still reach more than 79.9%. Sow seeds before and after Qingming Festival. If the hole is dug for direct seeding, the hole with a depth of about 1 cm can be dug according to the plant spacing of 15 cm and the row spacing of 30 cm, watering, sowing 3-4 seeds in each hole after water infiltration, and slightly suppressing after covering the soil. If seedling transplanting is carried out, the seeds will be scattered evenly on the border surface in the first done border, and the covering soil will be compacted with a thickness of about 1 cm to keep the soil moist. The seedlings can emerge in 5 days when the temperature is about 25 ℃. Sowing rate is 0.5-1kg per mu. When the seedling height is about 10 cm, it can be transplanted. The planting site was leveled and raked fine before transplanting, and the holes were dug according to the row spacing of 30 cm and the plant spacing of 20 cm. The depth of the hole was determined according to the number of roots of the seedlings. The seedlings with soil blocks were planted in the holes, pressed by hand and then poured with fixed root water. After the water seeped, the holes were cultivated and sealed. Impatiens is resistant to transplantation and can still be transplanted when it is in full bloom.

If you watch flowers on China's National Day, they should be sown from June to July. Prepare to sow the soil, sow the seeds on the surface of the soil, cover a thin layer of soil, spray water to moisturize, and then put it in a place where there is no direct sunlight, pay attention to watering, do not dry the soil, do not wash the seeds out when watering. After about 7 to 10 days, the seeds germinate one after another, should avoid the hot sun exposure, often watering, in order to keep the soil moist. When the impatiens is too crowded, intersprout seedlings to make it thrive. When the seedlings grow out of 3 to 4 true leaves, the seedlings should be planted in the soil, and then placed in a cool place to slow the seedlings. After slowing down the seedlings, keep the soil moist without stagnant water and apply rotten thin fertilizer every 10 days in a good and sunny place. In this way, after 50 to 60 days, the National Day will bloom into beautiful flowers.

He's impatiens is a kind of impatiens, which has strong adaptability, easy to survive after transplantation and grows rapidly. It is a kind of plant that can be cultivated well. As long as the temperature is suitable, it can blossom all year round, and it is a very popular potted flower. People who love flowers should not miss it. The above is about the breeding methods of he's impatiens. I hope it can be helpful to everyone!