Propagation methods and key points of cultivation and Management of Magnolia Magnolia

How is Red Cloud cultivated? What's the difference between red magnolia and magnolia? The main difference is that in the south 'Hongyun' Magnolia blossoms three times a year in spring, summer and autumn, and the petals are red outside and white inside. Let's find out about the variety characteristics and breeding methods of Hongyun Magnolia.

1. Morphological characteristics

Magnolia is a deciduous shrub with fragrant petals from purplish red to light red to white. Petal-shaped, elliptic-Obovate. Aggregate fruit dark purple-brown, brown, cylindrical. Mature oysters subglobose, with a short beak at the tip.

two。 Growth habit

Like sunshine, suitable for growth in a warm and humid environment, slightly resistant to semi-shade and cold. It is possible to spend the winter in open fields in most parts of our country. It is suitable to grow in acid sandy soil with fertile moisture and good drainage, and it can also grow in weakly alkaline soil. Because it is fleshy root, it is neither resistant to drought nor stagnant water. Should be planted in shelter, sunny, no stagnant water areas.

3. Reproduction

3.1 Cuttage and striping propagation

In cutting propagation, the cutting time has a great influence on the survival rate, which is generally carried out from May to June, and the survival rate of young trees is the highest in the same year. Soaking the base with 50ppm naphthylacetic acid for 6 hours could increase the rooting rate. When striping propagation, the plants with good growth were selected, and the 1-2-year-old branches of thick 0.5cm were used as strips. If there are branches, they can be pressed on the branches. The time of striping is 2 ~ 3 months. The longer the connection time between the rooting and the mother plant is, the more developed the root system is and the higher the survival rate is. It can blossom 2-3 years after planting.

3.2 grafting propagation

From December of the previous year to January of the following year, the annual branches of 'Hongyun' Magnolia were selected as scions with strong growth, no diseases and insect pests, full axillary buds and dormant period, and the leaves were cut off and some petioles were reserved. The length of petiole is as long or short as axillary bud. The 2 ~ 3-year-old yellow orchid with strong growth, developed root system and no diseases and insect pests was selected as the rootstock.

Adopt the splicing method:

(1) scion cutting. The grafting knife is used to cut the plane of about 2 ~ 3cm on one side of the long axillary bud of the scion, the best depth is to cut off the phloem and expose the xylem, and then cut a short section of 45 °on the corresponding side to ensure that the lower end is thin.

(2) cutting rootstock. According to the size of the scion, the skin of the rootstock is thick, smooth, smooth, without scar or pest-free, the depth is not harmful to the xylem of the rootstock, and the length is the cutting length of the long side of the scion.

(3) joining. Pick up the bark of the rootstock with the tip of the grafting knife, and insert the long side of the scion toward the xylem of the rootstock and insert it into the incision of the rootstock, so that the scion is close to the xylem of the rootstock.

(4) bandaging. The rootstock and scion were tightly wrapped with grafting film to prevent Rain Water and germs from invading and to maintain humidity. Among them, the axillary buds were coated with only one layer of grafting film to prevent the axillary buds from growing and dying because of too many coating layers and the axillary buds could not break through the grafting film.

(5) Management after grafting. The amount of water was determined by observing the condition of water fog in the grafting film. The fine and uniform water droplets on the grafting film indicate that the water content of the rootstock is suitable. The overflowing water on the rootstock in the grafting film indicates that there is too much water, which should be controlled. If there is little water fog in the grafting film, it means that there is a lack of water and should be watered immediately. As the scion sprouted and grew, the water demand gradually increased. Remove the film on the interface when the scion reaches 30~40cm, and then manage it according to the normal seedling water demand, that is, watering once every 2-3 days. For the scion that grows too high and too strong, set up a stick next to the rootstock and gently tie the scion to the stick with a rope to prevent the scion from breaking at the interface between the scion and the rootstock caused by excessive wind. The survival rate of grafted seedlings propagated by this method is generally about 80%.

'Hongyun Magnolia 1.5cm, as high as 1.5m above. Cut the trunk at 0.8 ~ 1.0 m above the ground in the winter of the following year, leave a thick and strong branch as the trunk in the winter of the third year, trim the side branches properly, and trim the crown into an egg shape year by year, so that the seedlings can be planted in the nursery.

In tissue culture, the shoots of 'Hongyun' Magnolia were selected in January and cut into about 2~3cm. The long silk hairs on the buds were gently scraped with a blade in running water, washed for 30 minutes, sterilized by 70% alcohol and sterilized by 30s+0.1%HgCl2 for 14 minutes, then washed with sterile water for 5 times. The explants were cut short and inoculated in MS basic medium for 16 hours a day, light intensity 2000lx, temperature 25 ℃ ±1 ℃. Tissue culture room for 4 ~ 5 weeks. Then the adventitious buds could be differentiated by inoculating them in the good medium for bud proliferation (MS+BA0.5mg L+NAA0.5mg/L+KT1mg/L).

4. Cultivation and management

4.1 Transplant

Planting should not be too early or too late, and it is most suitable to plant 10 days before sprouting in early spring or before spreading leaves after flower fade. Sowing seedlings should be properly shaded in summer for 1 ~ 2 years after they are unearthed, and should be protected against cold after winter in the north. It is better to transplant before sprouting, or before flowers are just shedding, or before spreading leaves. When transplanting, regardless of the size of the seedlings, the roots should carry mud clumps, and be careful not to damage the roots as far as possible to ensure survival. At the same time, try to avoid planting in low-lying areas where water is easy to accumulate.

4.2 temperature

'Hongyun 'Magnolia is not very strict about temperature. However, moderate shading or cooling is needed when it is hot and high temperature, 12 ∶ 00 ~ 16 ∶ 00:00 every day to avoid scorching sun exposure, but also to avoid high temperature radiation of brick walls or cement floor. At this time, it is not only necessary to spray water to the plant to cool down, but also to water or spray water to the ground to cool and dissipate heat, so as to increase air humidity. Overwintering in the north needs to wrap the trunk with grass rope or linen cloth, and the roots are watered thoroughly before winter.

4.3 Lighting

'Hongyun 'Magnolia needs plenty of sunlight and should be maintained on sunny land with long sunshine and strong light during its growth. The light should not be less than 6 hours a day. If planted in a shady place, there will be only long leaves without flowering, or very few flowers, slender branches, light leaves, thin leaves, no luster, which is disadvantageous to growth.

4.4 moisture

'Hongyun 'Magnolia not only needs water but is afraid of stagnant water. In the seedling stage, water should be watered once a day from summer to early autumn to keep the soil moist, but in the hot summer morning and evening, water should be irrigated and sprayed on the leaves to increase air humidity. Irrigation with tap water needs to prevent soil Alkalization. If it is found that leaf yellowing should be treated with ferrous sulfate or 0.7% ~ 0.8% acid vinegar water to water the root, or 0.3% ~ 0.4% acid vinegar solution can be used to spray leaves, the effect is very good. Don't accumulate water in the rainy season, or the roots will rot.

4.5 Fertilizer

Because 'Hongyun' Magnolia has a long flowering period and many flowering times, it is necessary to replenish nutrients regularly. In addition to applying sufficient base fertilizer at the time of planting, organic liquid fertilizer dominated by phosphorus and potassium (such as rotten cake fertilizer and water) can also be applied every 10 days from March to October of flowering. The principle of fertilization is to apply thin fertilizer frequently, and you can also take the method of first light and then thick. you can't apply raw fertilizer, otherwise it will burn roots. At the same time, extra-root fertilization was carried out every half a month, and leaves were sprayed with 0.5% plant oxytocin and 0.3% potassium dihydrogen phosphate.

5. Pest control

Underground pests such as blight, root rot and grubs should be prevented at seedling stage. Longicorn beetles are harmful to stems, and red spiders should be prevented in midsummer. In the process of management, attention should be paid not only to the prevention and control of chlorosis and root rot, but also to anthrax. If the disease is found, the diseased leaves of diseased plants should be removed in time, and 50% carbendazim 500-1000-fold aqueous solution should be sprayed to the leaves, or 70% methyl topiramate 800-1000-fold solution should be used for control. It is found that aphids or shell insects harm buds and buds, which can be controlled by 1000 times of imidacloprid or 750 ~ 1000 times of thiazine.

The above is the whole content of breeding and pest control cultivation techniques of Magnolia magnolia. Interested florist friends are welcome to come to Huinong Network to learn a lot!

Magnolia Variety Classification Guang Yulan, scientific name: magnolia grandiflora linn. As the flower is very large, shaped like the lotus, solid also known as "lotus magnolia". Magnolia Magnolia originated in America, so some people call it "Magnolia Magnolia". Magnolia belongs to Magnolia of Magnoliaceae, evergreen trees, leathery leaves, rust-colored tomentose on the back, glossy surface, edges slightly reflexed, leaves 10 mi 20 cm long, another variety called Magnolia angustifolia, narrower leaves, less hairs on the back, and slightly stronger cold tolerance. The flowers are large white, fragrant, 20ml 30cm in diameter, usually 6-merous, as large as a lotus, flowering from May to July, seed bark red, and fruit ripe from September to October. Magnolia can usually grow to 30 meters, but the average magnolia can only grow to 16 meters 23 meters. The crown is ovate conical, the branchlets and buds are rusty downy, and the branches are magnificent. Magnolia magnolia has beautiful tree shape and fragrant flowers. it is an excellent environmental protection courtyard tree, suitable for factory and mine greening, and is closely related to the survival of human beings.

Purple magnolia scientific name: Magnolia liliflora Desr. English name: Lily Magnolia family name: Magnoliaceae Magnoliaceae. Deciduous shrubs, up to 3 m tall, often tufted. Buds with gray-brown fine hairs; branchlets purple-brown. Leaves Obovate or elliptic-ovate, 10 ~ 18 cm long and 4 ~ 10 cm wide, apex acute or acuminate, base cuneate, abaxially pilose along veins. Flowers first leaves open or rarely open at the same time as leaves, large, campanulate; sepals 3, lanceolate, purplish brown, 2 mi 3 cm long; petals 6, oblong-Obovate, 8-10 cm long, outside purple or purple-red, inner surface white; filaments and carpels purplish red; flowers 1, apical tip, slightly curved. Aggregate fruit oblong, 7 mi 10 cm long, light brown. The grafted Magnolia Magnolia cultivated in Huangchuan, Henan Province blossoms three to four times a year, each with a flowering period of 20 cents and 35 days. Bark, leaves and flowers can be extracted into aromatic extract; flower buds are used as medicine to treat headache, sinusitis, etc., and have antihypertensive effect. The flower contains volatile oil and a small amount of alkaloids. Magnolia is a deciduous shrub of Magnoliaceae, 3 to 5 meters high, 1 to 1.5 meters high, often tufted, leaves Obovate or oval, flowers solitary at the top of branches, bell-shaped, perianth 9, 3 arranged in a round, purple or purplish red, flowering first and then leaves or flowers and leaves together in spring. Magnolia is a deciduous tree with a height of up to 25 meters and a diameter of up to 200 centimeters. The crown is narrowly ovoid when young, while mature trees are broadly ovate or loosely ovate. The trunk of the big tree of seed origin is often obvious, the tree body is sturdy, majestic and majestic, the growth is strong, the node long branch is sparse, but the flower quantity is a little sparse. Grafted species often show multi-stem or trunk low-branched characteristics, short branches are dense, the tree is relatively small, but the flowers are colorful, the distant view is flawless and enchanting. Therefore, Magnolia landscapes of different origins have different tastes in the application. In small or closed gardens, grafting species should be used to reflect the interest of antiquity, while real species should be selected in scenic spots to show the rough and simple style. 2. Magnolia soulangeana Soul-Bod. It belongs to Magnolia of Magnoliaceae. Also known as cinnabar magnolia, purple magnolia. It is a hybrid of Magnolia Magnolia and Magnolia magnolia, bred in 1820-1840. Morphological features: deciduous small trees, high 6~l0 meters. Branchlets glabrous. Leaves Obovate, apex shortly acute, midvein base often hairy, abaxially more or less pilose, petiole pilose, stipules 1/3 of petiole. The first leaves of the flowers open, the flowers are large bell-shaped, purple or red, white and fragrant inside, with 6 or 9 tepals. Fruit black, with white lenticels, seeds dark brown. The flowering period is from February to March and the fruit ripening period is from September to October. Ecological habits: positive trees, slightly shady, the most suitable to grow in acidic, fertile and well-drained soil, slightly alkaline soil can also grow. Like fat, fleshy roots can not tolerate stagnant water. Like moist air, strong cold resistance, sensitive to temperature. I can't stand pruning. The life span can reach more than a thousand years. Seedling cultivation: mainly by grafting culture, can also be used to press strips, cutting culture. Greening uses: Magnolia is an excellent ornamental tree species. Magnolia magnolia is a new variety selected by Magnoliaceae New Variety Research Institute, which blossoms three times a year in spring, summer and autumn. In China, there are few flowers in midsummer and even fewer woody flowers and trees. This variety meets the needs of this period of time very well. Magnolia can be planted alone or in groups in the garden, and now it tends to be used in street trees. The key points of Magnolia cultivation are like light, fertilizer and water, and are afraid of stagnant water and rotten roots. The position should be raised when planting in the low-lying land in the south. In the alkaline land with a pH value of 7.5 Mel 8.3 in the north, 3 ‰ ferrous sulfate solution can be neutralized 4 times a year. As the new root of Magnoliaceae is fleshy root, the wound heals slowly and needs careful management after transplanting. Magnolia (Mgnolia sp. "Sunspire") belongs to Magnoliaceae, which is a deciduous shrub. It is a very precious ornamental plant. The flowers of Magnolia are mostly white, pink and purplish red. Yellow magnolia is extremely rare. Magnolia blossoms at the end of spring. The growth environment is positive to semi-negative, and the soil is a general garden soil with good drainage and no need for pruning. It can be planted in both north and south. Magnolia flowers are golden and bloom late, so there is no need to worry about the harm of frost in early spring. Magnolia species and characteristics Magnolia Magnolia grows well as a street tree in many cities, and now it is the time for Magnolia flowers to be in full bloom, which is a beauty of the city.

Magnolia Guang, scientific name: magnolia grandiflora linn. As the flower is very large, shaped like the lotus, solid also known as "lotus magnolia". Magnolia Magnolia originated in America, so some people call it "Magnolia Magnolia".

Magnolia belongs to Magnolia of Magnoliaceae, evergreen trees, leathery leaves, rust-colored tomentose on the back, glossy surface, edges slightly reflexed, leaves 10 mi 20 cm long, another variety called Magnolia angustifolia, narrower leaves, less hairs on the back, and slightly stronger cold tolerance.

The flowers are large white, fragrant, 20ml 30cm in diameter, usually 6-merous, as large as a lotus, flowering from May to July, seed bark red, and fruit ripe from September to October.

Magnolia can usually grow to 30 meters, but the average magnolia can only grow to 16 meters 23 meters. The crown is ovate conical, the branchlets and buds are rusty downy, and the branches are magnificent.

Magnolia magnolia has beautiful tree shape and fragrant flowers. it is an excellent environmental protection courtyard tree, suitable for factory and mine greening, and is closely related to the survival of human beings.

Purple magnolia scientific name: Magnolia liliflora Desr. English name: Lily Magnolia family name: Magnoliaceae Magnoliaceae

Deciduous shrubs, up to 3 m tall, often tufted. Buds with gray-brown fine hairs; branchlets purple-brown. Leaves Obovate or elliptic-ovate, 10 ~ 18 cm long and 4 ~ 10 cm wide, apex acute or acuminate, base cuneate, abaxially pilose along veins. Flowers first leaves open or rarely open at the same time as leaves, large, campanulate; sepals 3, lanceolate, purplish brown, 2 mi 3 cm long; petals 6, oblong-Obovate, 8-10 cm long, outside purple or purple-red, inner surface white; filaments and carpels purplish red; flowers 1, apical tip, slightly curved. Aggregate fruit oblong, 7 mi 10 cm long, light brown. The grafted Magnolia Magnolia cultivated in Huangchuan, Henan Province blossoms three to four times a year, each with a flowering period of 20 cents and 35 days.

Bark, leaves and flowers can be extracted into aromatic extract; flower buds are used as medicine to treat headache, sinusitis, etc., and have antihypertensive effect. The flower contains volatile oil and a small amount of alkaloids.

Magnolia is a deciduous shrub of Magnoliaceae, 3 to 5 meters high, 1 to 1.5 meters high, often tufted, leaves Obovate or oval, flowers solitary at the top of branches, bell-shaped, perianth 9, 3 arranged in a round, purple or purplish red, flowering first and then leaves or flowers and leaves together in spring.

Magnolia is a deciduous tree with a height of up to 25 meters and a diameter of up to 200 centimeters. The crown is narrowly ovoid when young, while mature trees are broadly ovate or loosely ovate. The trunk of the big tree of seed origin is often obvious, the tree body is sturdy, majestic and majestic, the growth is strong, the node long branch is sparse, but the flower quantity is a little sparse. Grafted species often show multi-stem or trunk low-branched characteristics, short branches are dense, the tree is relatively small, but the flowers are colorful, the distant view is flawless and enchanting. Therefore, Magnolia landscapes of different origins have different tastes in the application. In small or closed gardens, grafting species should be used to reflect the interest of antiquity, while real species should be selected in scenic spots to show the rough and simple style.

2. Magnolia soulangeana Soul-Bod. It belongs to Magnolia of Magnoliaceae. Also known as cinnabar magnolia, purple magnolia. It is a hybrid of Magnolia Magnolia and Magnolia magnolia, bred in 1820-1840.

Morphological features: deciduous small trees, high 6~l0 meters. Branchlets glabrous. Leaves Obovate, apex shortly acute, midvein base often hairy, abaxially more or less pilose, petiole pilose, stipules 1/3 of petiole. The first leaves of the flowers open, the flowers are large bell-shaped, purple or red, white and fragrant inside, with 6 or 9 tepals. Follicles black, with white lenticels, seeds dark brown. The flowering period is from February to March and the fruit ripening period is from September to October.

Ecological habits: positive trees, slightly shady, the most suitable to grow in acidic, fertile and well-drained soil, slightly alkaline soil can also grow. Like fat, fleshy roots can not tolerate stagnant water. Like moist air, strong cold resistance, sensitive to temperature. I can't stand pruning. The life span can reach more than a thousand years.

Seedling cultivation: mainly by grafting culture, can also be used to press strips, cutting culture.

Greening uses: Magnolia is an excellent ornamental tree species.

Magnolia magnolia is a new variety selected by Magnoliaceae New Variety Research Institute, which blossoms three times a year in spring, summer and autumn. In China, there are few flowers in midsummer and even fewer woody flowers and trees. This variety meets the needs of this period of time very well. Magnolia can be planted alone or in groups in the garden, and now it tends to be used in street trees.

The key points of Magnolia cultivation are like light, fertilizer and water, and are afraid of stagnant water and rotten roots. The position should be raised when planting in the low-lying land in the south. In the alkaline land with a pH value of 7.5 Mel 8.3 in the north, 3 ‰ ferrous sulfate solution can be neutralized 4 times a year. As the new root of Magnoliaceae is fleshy root, the wound heals slowly and needs careful management after transplanting.

Magnolia (Mgnolia sp. "Sunspire") belongs to Magnoliaceae, which is a deciduous shrub. It is a very precious ornamental plant. The flowers of Magnolia are mostly white, pink and purplish red. Yellow magnolia is extremely rare.

Magnolia blossoms at the end of spring. The growth environment is positive to semi-negative, and the soil is a general garden soil with good drainage and no need for pruning. It can be planted in both north and south.

Magnolia flowers are golden and bloom late, so there is no need to worry about the harm of frost in early spring.

Magnolia, also known as Wangchunhua, belongs to Magnoliaceae. Bright color, compact buds, neat scales and rich fragrance. Magnolia has the effect of dispelling wind and cold, which is used to treat rhinitis and lower blood pressure. Magnolia is also a valuable spice and chemical raw material, as well as an ornamental greening plant, which has been in short supply for many years in history.

Huangchuan County, Henan Province is located in the transition zone from northern subtropical zone to warm temperate zone, with mild climate, four distinct seasons, abundant rainfall, large temperature difference between day and night, long sunshine time, special geographical location and superior ecological conditions. The annual average temperature is 14.8 ℃, the annual accumulated temperature is 4782.3 ℃-5419.3 ℃, the annual sunshine hours is 1978.8 hours, and the sunshine rate is 45%. The temperature difference between day and night in spring and autumn is about 10 ℃, the average rainfall is 921mm, the frost-free period is 216days, and the soil PH value is between 5.57.5.The unique resources of light, heat, water and soil provide good natural conditions for the production of high quality magnolia.