Propagation methods and matters needing attention of Primula

Primroses, also known as primroses, Qizhong building, due to the development of primroses in recent years, now primroses have more and more colors, and bright colors, very lovable. Primroses like to be warm and slightly cold-tolerant. Artificially cultivated primroses need to reduce fertilization during their full bloom.

Primroses

The seeds of primroses are harvested when the fruit begins to turn yellow, dry in the shade and avoid the sun. After drying, remove the fruit shell and store. Primroses are often sown and propagated. The seed germination rate is 40%, and the seeds rarely germinate in the next year. The seeds are small and not easy to receive. In our country, from south to north, around March to May, when the primroses bloom in the basin, loosen the soil and let the seeds fall in the basin. If the original basin is small, you can collect and sow seeds. The seeds can be sown in a large basin of a seedbed. The pot soil was soaked by sitting pot method, covered with glass, slightly shaded, germinated at an appropriate temperature of 15 ℃ to 20 ℃, and seedlings could emerge in 5 to 6 days. After emergence, take the glass so as not to grow into a tall seedling. Seedlings should be sparsely planted in half a month. Pay attention to shading, ventilation and proper dryness in summer. At the beginning of September, the seedlings will be divided into pots when the true leaves are released. It can also be sown from August to September, the management is more convenient, but the plant growth is short.

Some double varieties of primroses are often difficult to get seeds, so they can only be propagated by cutting or ramet. Cuttings are carried out from May to June, and ramets are best in autumn. Common indoor potted flowers primroses survive on the pot, let it gradually see the sun, and apply thin fertilizer. Move the basin to the sunny place indoors after late October. The flowers have been blooming since November. Primula is tolerant to low temperature and can survive the winter under 0 ℃. If the room temperature is maintained from 5 ℃ to 10 ℃ and ventilation is paid attention to, it can grow in luxuriant flowers and leaves. New Year's Day before and after the flower stem, began to blossom, the Spring Festival entered the full bloom. After the flower fades, cut off the residual pedicel, then draw out the pedicel and continue to blossom. At the end of blooming, the weather is getting hotter and hotter, so it should be moved to a cool and ventilated place to keep it moist and not too dry. After semi-dormancy, it turns the pot from September to October and can blossom in winter. If you put it in the environment of 10 ℃ to 12 ℃ in summer, it can blossom as usual. The main points of primrose maintenance are as follows: after the seedlings are unearthed, when they grow to 5 true leaves, they are transplanted in a small flowerpot with a caliber of 10 cm, and a small amount of bone powder or rotten cake fertilizer should be applied to the bottom of the pot. When the seedlings grow to a certain height, they are planted in flowerpots with a diameter of 16 cm. 7 pieces of rotten leaf soil, 3 parts of garden soil and a small amount of base fertilizer should be selected for basin soil. Proper shading should be paid attention to at the beginning of the pot, and the dilute liquid fertilizer or compound fertilizer combined with nitrogen and phosphorus should be applied once about 10-15 days after slowing down the seedling. Watering during the growth period should be dry and wet to avoid stagnant water in the basin. After the flower fade, cut off the residual flowers in time, apply 1 to 2 times of thin fertilizer, in order to facilitate the growth of new flower branches, it can continue to bloom. Primrose seedlings are weak and prone to quenching disease, causing seedling decay and death, so attention should be paid to early prevention and control. In order to raise primroses well and blossom continuously, we should pay attention to: separate planting and transplanting. When the sowing seedlings grow 2-3 true leaves, they are first planted in a small pot, cultivated for about one month, and then transplanted to the middle pot. Fertilizing and watering.

How to raise primroses, breeding methods and matters needing attention

Primula, also known as primrose, is a primrose plant of Primulaceae. It grows in the wilderness and the edge of the field. It is native to Yunnan and Guizhou in China and is cultivated everywhere. Primrose is a kind of flowers that people often see, and it is one of the plants with ornamental value, which is often used to beautify the home environment. Many people do not know how to raise primroses. This article introduces the breeding methods and matters needing attention of primroses.

The growth habit of Primula

Primrose is a typical warm temperate plant, most of which are distributed in high latitude, low altitude or low latitude and high altitude. They prefer cool and humic environment and humus-rich soil, and are not resistant to high temperature and strong direct sunlight, and most of them are not resistant to cold.

Primroses which are generally used as potted flowers in cold greenhouse, such as primrose and Tibetan primroses, should be cultivated in neutral soil. Not resistant to frost, early flowering. As a flower bed arrangement in the open field, Primula is suitable for growing in shady slope or semi-shady environment, and likes the soil with good drainage and rich in humus.

Culture methods of Primula

1. Soil: 2 parts of rotten leaf soil and 1 part of garden soil should be selected in basin soil, and a small amount of base fertilizer should be applied. This kind of culture soil is loose and fertile, mostly slightly acidic, in order to facilitate root development.

2. Illumination: primroses are fond of light, but avoid strong sunlight. In summer, pot plants should be placed in a cool, ventilated place with scattered light. From September, the pot plant can receive more scattered light, and from October, the pot plant can be placed in full light to receive more late autumn light to promote its growth and flower bud differentiation.

3. Temperature: primroses like to be warm, slightly cold-resistant, and the suitable growth temperature is about 15 ℃. If the room temperature is maintained at 10 ℃ in winter, it can survive the winter above 0 ℃, and the summer temperature can not exceed 30 ℃, so shading and cooling measures should be taken.

4. Watering: primroses like a moist environment, but should not be watered too much, the basin soil is too wet, it will rot the roots. Improper watering in summer will kill the seedlings, so we should pay attention to the amount of water and times of watering in summer. Generally, water should be watered once in the morning and evening every day, and when the weather is especially dry and hot around noon, water should be sprayed to the ground around the plant and basin to increase air humidity and reduce air temperature, creating a cool and humid climate environment to facilitate its growth. The amount of water and times of watering should be reduced appropriately when it is cool in autumn. After entering the house in winter, you should also pay attention to proper watering as you grow and blossom.

5. Fertilization: apply rarefied liquid fertilizer or compound chemical fertilizer combined with nitrogen and phosphorus once 10-10 days after slow seedling. After entering autumn, the weather is getting cooler and spring is gradually entering the vigorous growth period. at this time, the management of fertilizer and water should be strengthened, and the rotten thin cake fertilizer liquid should be applied every 7-10 days, and more nitrogen fertilizer should be applied in the early stage to make the branches and leaves fat. at the same time, 0.3% potassium dihydrogen phosphate solution should be sprayed to the leaves every half a month to promote its multiple pregnant buds to blossom until budding.

6. Insect pests: primrose seedlings are weak and prone to quenching disease, causing seedling decay and death, so attention should be paid to timely spraying control. If the disease has occurred, a small amount of 70% dimethazone powder mixed with 40 times fine sand can be applied to the basin soil, or 800 times liquid can be sprayed on the soil surface, which has a good control effect.

7. Pruning: during flowering, the newly seeded plants are selected, some of the flower branches are removed, and the thin liquid fertilizer dominated by phosphate fertilizer is applied 1-2 times to make the seeds full. After the flower fade, it should be cut off in time and apply 1-2 times of thin fertilizer to facilitate the growth of new flower branches, then it can continue to bloom.

Primroses are a kind of flower plants that bloom in early spring. Colorful flowers such as red, pink, yellow, white and purple are very beautiful. The flowers planted in small pots are exquisite and lovely, and they are one of the flowers commonly used in home decoration. This is the end of the introduction on the breeding methods and matters needing attention of primroses. I hope it will be helpful to everyone.

Culture methods and matters needing attention of Primula

Primula is a unique flower plant in China, which is mainly distributed in Yunnan, Guizhou and other places. Primroses bloom in early spring, with rich colors and long flowering period, so they are very suitable for potted plants. Then how to raise primroses? Next, let's learn about the breeding methods and matters needing attention of primroses.

I. growth habits of primroses

Primroses like to be warm and slightly hardy. The suitable growth temperature is about 15 ℃. If the room temperature is kept at 10 ℃ in winter, it will blossom from February of the following year. Should pay attention to ventilation, can survive the winter above 0 ℃; summer temperature can not exceed 30 ℃, afraid of direct light, so shading and cooling measures should be taken. The residual flowers should be cut off in time. When flowering, in order to prolong the viewing period, the temperature and light should not be too high. After the flower fades, in order to make it blossom continuously, it is necessary to cut off the residual flowers and stalks in time, and apply fertilizer to promote its growth and flowering again. During the growing period, the basin soil should be kept moist and should not be too dry or too wet. at the same time, liquid fertilizer dominated by nitrogen fertilizer should be applied every 10 days, and liquid fertilizer dominated by phosphate fertilizer should be applied for 2 or 3 times in bud stage. Fertilization should be reduced in full bloom and stopped after blossom. Before fertilizing, you should stop watering and make the basin soil dry to facilitate fertilizer absorption. When fertilizing, pay attention to the fertilizer and water do not stain the leaves, you can spray water once after fertilization. Temperature and light.

II. Culture methods and matters needing attention of primroses

1. Soil: 2 pieces of rotten leaf soil and 1 part of garden soil should be selected in basin soil, and a small amount of culture soil should be applied. This kind of culture soil is loose and fertile, mostly slightly acidic, in order to facilitate root development.

2. Illumination: primroses are fond of light, but avoid strong sunlight. In summer, pot plants should be placed in a cool, ventilated place with scattered light. From September, the pot plant can receive more scattered light, and from October, the pot plant can be placed in full light to receive more late autumn light to promote its growth and flower bud differentiation.

3. Temperature: primroses like to be warm, slightly cold-resistant, and the suitable growth temperature is about 15 ℃. If the room temperature is maintained at 10 ℃ in winter, it can survive the winter above 0 ℃, and the summer temperature can not exceed 30 ℃, so shading and cooling measures should be taken.

4. Watering: primroses like a moist environment, but should not be watered too much, the basin soil is too wet, it will rot the roots. Improper watering in summer will kill the seedlings, so we should pay attention to the amount of water and times of watering in summer. Generally, water should be watered once in the morning and evening every day, and when the weather is especially dry and hot around noon, water should be sprayed to the ground around the plant and basin to increase air humidity and reduce air temperature, creating a cool and humid climate environment to facilitate its growth. 3456 . The amount of water and times of watering should be reduced appropriately when it is cool in autumn. 3456 . After entering the house in winter, you should also pay attention to proper watering as you grow and blossom.

5. Fertilization: apply rarefied liquid fertilizer or compound fertilizer combined with nitrogen and phosphorus once 10 days after slow seedling. After the autumn, the weather is gradually cool, and the spring also gradually enters the vigorous growth period. at this time, the management of fertilizer and water should be strengthened, and the rotten thin cake fertilizer liquid should be applied once every 7-10 days, and more nitrogen fertilizer should be applied in the early stage to make the branches and leaves fat. at the same time, 0.3% potassium dihydrogen phosphate solution should be sprayed to the leaves every half a month to promote its multiple pregnant buds to blossom until budding.

6. Insect pests: primrose seedlings are weak and prone to quenching disease, causing seedling decay and death, so attention should be paid to timely spraying control. If the disease has occurred, a small amount of 70% dimethazone powder mixed with 40 times fine sand can be applied to the basin soil, or 800 times liquid can be sprayed on the soil surface, which has a good control effect.

7. Pruning: during flowering, the newly seeded plants are selected, some of the flower branches are removed, and the thin liquid fertilizer is added for 1 or 2 times to make the seeds full and full. After the flowers are shedding, they should be cut off in time and apply 1-2 times of thin fertilizer to facilitate the growth of new flower branches, then they can continue to bloom.

Primroses breeding methods and points for attention are shared here, I believe we all know how to raise primroses, primroses bloom in early spring, missed friends can remember to breed in the coming year.