Introduction to the method of sowing and breeding of flower tobacco

Flower tobacco has a long flowering period and bright colors, so it has a certain ornamental value. Because the flowering period of flower tobacco is generally from June to September, it is also an excellent flower in summer garden. In general, flower tobacco can be propagated by sowing, so how should it be operated?

Flower tobacco

The particle size of flower tobacco seeds is small, about 11500 seeds per gram. Chinese domestic producers generally use pelleted seeds. The imported peat with good moisturizing effect and good air permeability should be selected in the seedling substrate, the pH value is 5.5-5.8, and the substrate humidity should be saturated before sowing.

According to the growth performance of seedling stage, seedling cultivation can be divided into four stages:

The first stage

The stage of radicle germination is from sowing to root length 0. 6cm, cotyledons begin to grow. The soil temperature is kept at 24 ℃ ~ 26 ℃, and the substrate is moderately moist, that is, the humidity is uniform but unsaturated, and drying is not allowed at any time at this stage. The seeds could not be covered with soil after sowing, the light of 1100~4300lux was helpful to the germination of flower tobacco seeds, the use of large hole plates was beneficial to the development of roots, and the young roots appeared in 3-5 days under better conditions. At the end of this stage, the radicle has elongated and the root system is forming.

The second stage

Stems and cotyledons grow out, from the end of the first stage to root length 1.2~1.4cm, cotyledons grow out. The soil temperature decreased, kept 20 ℃ ~ 24 ℃, and the light was adjusted to 5400~13000lux. Once the cotyledons unfold, 50~75ppm 's 14mur0mur14 slow-release fertilizer can be applied weekly. The roots of the seedlings can make the soil dry and wet after penetrating the substrate, but avoid drying, otherwise the seedlings will stop growing. This stage usually lasts for 7 to 10 days.

The third stage

The root system went deep into the cave disk and reached 2.5cm, and 2-3 true leaves appeared. At this stage, emphasis should be placed on watering and fertilization management, so that flower tobacco can produce well-developed roots. A dry-wet cycle is carried out every 24 hours to increase the concentration of fertilization. generally, 100~150ppm nitrogen fertilizer is applied once a week, and the fertilizer can be used alternately. The soil temperature can be decreased gradually and the soil temperature can be kept at 18 ℃ ~ 21 ℃. At this stage, the light is kept at 13000~16000lux, and B9 can be used to control the plant type. This stage usually lasts for 4-6 weeks in the 200-point disk.

The fourth stage

In the later stage of this stage, the developed root system occupies the whole hole, and the flower stem should have 3-4 leaves. The focus of this stage is also on watering and fertilization management. The soil temperature must be kept at 16 ℃ ~ 17 ℃, and the light can rise to 16000~38000lux. Fertilization is the same as the third stage, but in the later stage, watering and fertilization should be reduced 7-10 days before potting in order to refine seedlings properly.

Nicotiana alata Link et Otto flower tobacco: how to raise flower tobacco / flower tobacco how to propagate flower tobacco business cards flower tobacco introduction to flower tobacco, Latin name Nicotiana alata Link et Otto, alias flower tobacco, long flower tobacco, large flower tobacco. Herbs perennial, limited, 0. 6-1. 5 m tall, all adhesive. Like a warm, sunny environment. Native to Argentina and Brazil, it is cultivated in many parts of China. It has a certain ornamental value. Flower tobacco 2012 herbs about 80-150 cm tall, the whole plant densely covered with glandular hairs. Stem erect, base Lignified, leaves alternate, lanceolate or long elliptic. Native to South America, like a warm, sunny environment and fertile loose soil, drought-resistant, not cold-resistant. Morphological characteristics of flower tobacco A limited perennial herb, 0.6-1.5 m tall, all sticky. Tobacco leaves in the lower part of the stem shovel-shaped or rectangular round, slightly clasping stem or winglike stalk at the base, ovate or ovate moment round upward, subsessile or auriculate at base, lanceolate when close to inflorescence. Stem erect, base Lignified, leaves alternate, lanceolate or long elliptic. Inflorescences pseudo-racemose, spreading several flowers; pedicels 5-20 mm long. Calyx cup-shaped or campanulate, 15-25 mm long, lobes subulate-needle-shaped, unequal; Corolla light green, tube 5-10 cm long, tube about 3-4 mm in diameter, throat about 6-8 mm in diameter, cornice 15-25 mm wide, lobes ovate, mucronate, 2 longer than the other 3; stamens unequal, of which 1 is shorter. Capsule ovoid, 12-17 mm long. Lax raceme terminal, flowers 30 cm long, about 5 cm in diameter, trumpet-shaped, Corolla round star-shaped, small round hole in the center, containing pistils and stamens. The floret opens up gradually from the flower stem, and the flower color is white, light yellow, pink, purple and so on. The flower is purplish red on the outside and white on the inside. It opens at night and cloudy days, and closes at noon on sunny days. The florescence is from April to October. Flower tobacco seeds ca. 0.7 mm, grayish brown. The ecological habits of flower tobacco flower tobacco likes a warm, sunny environment and fertile and loose soil, drought tolerance, not cold resistance. Like warm, sunny environment, not cold-resistant, more heat-resistant. The sunshine needs to be sufficient, the plants with insufficient sunshine are easy to grow, the flowers are loose and the color is light. After the planting survived, the heart was removed once, which made it more branched. During the rainy season, it is necessary to prevent long-term dampness, and the suitable temperature for childbearing is about 10-25 degrees. The soil quality of cultivated flower tobacco is the sandy loam rich in organic matter, which needs good drainage, and the root is easy to rot due to poor drainage. Like fertile, deep, well-drained soil. Cultivation techniques of flower tobacco seed size of flower tobacco is small, about 11500 seeds per gram. Chinese domestic manufacturers generally use pelleted seeds. The imported peat with good moisturizing effect and good air permeability should be selected in the seedling substrate, the pH value is 5.5-5.8, and the substrate humidity should be saturated before sowing. According to the growth performance of seedling stage, seedling cultivation can be divided into four stages: the first stage is radicle germination stage, from sowing to root length 0.6cm, cotyledons begin to grow. The soil temperature is kept at 24 ℃ ~ 26 ℃, and the substrate is moderately moist, that is, the humidity is uniform but unsaturated, and drying is not allowed at any time at this stage. The seeds could not be covered with soil after sowing, the light of 1100~4300lux was helpful to the germination of flower tobacco seeds, the use of large hole plates was beneficial to the development of roots, and the young roots appeared in 3-5 days under better conditions. At the end of this stage, the radicle has elongated and the root system is forming. In the second stage, stems and cotyledons grow out, and the time is from the end of the first stage to root length 1.2~1.4cm, and cotyledons grow out. The soil temperature decreased, kept 20 ℃ ~ 24 ℃, and the light was adjusted to 5400~13000lux. Once the cotyledons unfold, the 14-0-14 slow-release fertilizer of 50~75ppm can be applied weekly. The roots of the seedlings can make the soil dry and wet after penetrating the substrate, but avoid drying, otherwise the seedlings will stop growing. This stage usually lasts for 7 to 10 days. In the third stage, the root system went deep into the hole disk, reached 2.5cm, and there were 2-3 true leaves. At this stage, emphasis should be placed on watering and fertilization management, so that flower tobacco can produce well-developed roots. A dry-wet cycle is carried out every 24 hours to increase the concentration of fertilization. generally, 100~150ppm nitrogen fertilizer is applied once a week. The fertilizer can be used alternately between 20-10-20 and 14-0-14. The soil temperature can be decreased gradually and the soil temperature can be kept at 18 ℃ ~ 21 ℃. At this stage, the light is kept at 13000~16000lux, and B9 can be used to control the plant type. This stage usually lasts for 4-6 weeks in the 200-point disk. In the late stage of the fourth stage, the developed root system occupied the whole hole, and the flower stem should have 3-4 leaves. The focus of this stage is also on watering and fertilization management. The soil temperature must be kept at 16 ℃ ~ 17 ℃, and the light can rise to 16000~38000lux. Fertilization is the same as the third stage, but in the later stage, watering and fertilization should be reduced 7-10 days before potting in order to refine seedlings properly. Flower tobacco pot production flower tobacco likes to grow in a fertile and well-drained soil environment. The pot of flower tobacco must be put on the pot in time, otherwise it will cause serious root coalescence and plant aging. In order to ensure the smooth growth, the substrate should be permeable, ventilated and fertilized as far as possible, and the soil pH value is 5.5-5.8. in production, the mixed substrate with pH value of 6.0can be used. The soil temperature at this stage is very important. for the newly transplanted seedlings, the temperature is 18 ℃ ~ 21 ℃ in the daytime and 16 ℃ ~ 18 ℃ at night. Too low temperature will cause albino seedlings, a sharp rise in temperature will cause leaf burns, serious will lead to the death of some seedlings. The first watering after seedling transfer must be thoroughly watered, otherwise it will affect the seedling rate and the uniformity of potted flower growth in the later stage. The seedling stage of flower tobacco is critical, and its later growth is also very important. The growth period is simply divided into two stages: the first stage of vegetative growth, which is mainly the peak period of branching and plant formation of flower tobacco. The quality of the conditions directly affects the growth of the later stage. Keep the substrate dry and wet in order to promote the normal growth of roots; at this stage, there is a great demand for fertilizer, in order to promote its vegetative growth, watering and fertilization are carried out alternately, 20-10-20 and 15-0-15 slow-release fertilizer 150~200ppm are used alternately. Adequate fertilizer supply and light conditions are the key to this stage. Under better conditions, the vegetative body was formed completely in 20-25 days, and a small number of flowers were formed, but the application effect was not achieved. The second stage of reproductive growth, this stage is mainly to promote the formation of a large number of flowers, in order to achieve the application effect. At this stage, in addition to keeping the matrix dry and wet, the regulation of light and fertilizer is still the key. In order to promote the increase of flower number, the fertilizer mainly composed of P and K fertilizer should be applied at this stage. 10-30-20 and 20-10-20 slow-release fertilizer could be applied alternately at the concentration of 150ppm once or twice a week. The products on the market from September to February of the following year must extend the hours of light while fertilizing, and light interruption can be used to promote flowering in less than 10 hours in production. However, some varieties such as' Domino' 'and' Hummingbird' 'can blossom without long sunshine treatment, so the production can also achieve the purpose of cost saving by selecting varieties. The mode of propagation of flower tobacco is commonly used for sowing or ramet propagation. The particle size of flower tobacco seeds is small, about 11500 seeds per gram, and now domestic manufacturers generally use pelleted seeds. The imported peat with good moisturizing effect and good air permeability should be selected in the seedling substrate, with a ph of 5.5-5.8, and the substrate humidity should be saturated before sowing. According to the growth performance of seedling stage, seedling cultivation can be divided into four stages: sowing and transplanting flower tobacco grows slowly at small seedling stage, and it is easy to sow seeds from January to February, the seeds are evenly sown on the soil surface, the seeds can not be covered with good light, and the soil should be fully exposed and watered to maintain humidity. the soil surface was covered with a piece of transparent plastic cloth, which was transplanted and cultivated when the leaves of the seedlings were 4 or 6. The cultivation method of flower tobacco the growth of flower tobacco is slow in the seedling stage, it is easy to sow from January to February, and it is planted in flowerpots or gardens in early spring. The maintenance process is extensive and simple. Applying effective fertilizer several times after the beginning of spring will not only grow well, but also promote flowering. Because of the long flowering period, the flowers are colorful. Cultivation and management of cultivated soil quality is better in sandy loam rich in organic matter, which needs good drainage, and poor drainage can easily lead to rot. The sunshine needs to be sufficient, the plants with insufficient sunshine are easy to grow, the flowers are loose and the color is light. After the planting survived, the heart was removed once, which made it more branched. During the rainy season, it is necessary to prevent long-term dampness, and the suitable temperature for childbearing is about 10-25 degrees C. The maintenance process is extensive and simple. Applying effective fertilizer several times after the beginning of spring will not only grow well, but also promote flowering. Due to the long flowering period and bright colors, ground and potted plants are very suitable. Cultivation data seed number per gram (seeds / g): 11500 seeds / g; germination conditions: 21-25 ℃, not covered with soil; days for germination: 10-15 days; suitable growth temperature (day temperature / night temperature): 15-17 ℃; long light demand and other growth conditions: partial shade or partial light; time from sowing to flowering (or harvest): 9-10 weeks; ground height (cm): 40-45cm. The disease control of flower tobacco is more serious in the later growth stage of flower tobacco. During production, attention should be paid to comprehensive control, regular application, and prevention of leaf rot after continuous overcast days in summer. Variety classification of flower tobacco due to compact plants, continuous flowering, large number of flowers and other reasons, flower tobacco has been widely used in plane greening in the past two years, and the performance of both population and individual is better. There are many varieties of flower tobacco. When selecting varieties, we should pay attention to ornamental, focusing on the varieties with bright flowers and long flowering period. Flower tobacco can be divided into three types according to plant morphology: the tall type generally has fewer branches, the height is about 45~55cm, and the crown width can reach 35~40cm in the later stage. This kind of variety is usually used as background material in plane greening, such as "Perfume" and so on. The middle-high type generally has fewer branches, and its height is higher than that of the common type, which can reach about 25~30cm, and the crown width can also reach 30~35cm in the later stage. This kind of variety is commonly used in plane landscaping, such as "Hummingbird" series. The common type has more branches and shorter height, only about 10~15cm. This kind of variety is commonly used in plane landscaping, and the compact type can also be used as semi-three-dimensional materials, such as "Domino", "Havana", "Saratoga" and so on. The distribution area of flower tobacco is produced in Argentina and Brazil in South America. It likes warm and sunny environment and rich and loose soil. It is drought-resistant and not cold-resistant. It has been introduced and cultivated in Harbin, Beijing, Nanjing and other cities in China. The potted use of flower tobacco 'Saratoga' is a F1 hybrid variety with the earliest flowering and excellent flowering consistency in the market, which performs well under strong light and shade conditions. The seedling net plants are cluster-shaped, which is convenient for production and management in small pots, and the eye-catching flowers are displayed straight on the plants, which can form a great visual impact. 'Saratoga 'has 7 flower colors and 1 mixed color, which is suitable for potted plants, flower beds and flower borders. The garden use of flower tobacco flower tobacco is suitable for planting in flower beds, lawns, courtyards, roadsides and the edge of forest belts, and can also be used as potted plants. The cultural background story of flower tobacco it is said that flower tobacco is the embodiment of the sorrowful love of the Greek goddess of water. There is an unspeakable goddess of water in love with the handsome young man, but the youth is surrounded by a group of admirers. Unable to speak, the goddess Shuizawa could not express her love, so she could only sadly watch him leave in the distance. Day after day, the life of the goddess Shuize gradually faded away, and although she lost her life, her love continued to watch over the young man affectionately. So, in the place where she died, lovely flowers grew one after another. This is flower tobacco. The flower language of flower tobacco: there is no love but you. Flower tobacco picture another name for flower tobacco

Flower tobacco, also known as long flower tobacco, beautiful flower tobacco, tobacco flower, big flower tobacco, tobacco flower.

Growth habits of Flower Tobacco

Flower tobacco likes a warm, sunny growing environment, which is heat-resistant but not cold-resistant. The soil is required to be loose, fertile and rich in humus. In the process of breeding, we need to do a good job in water and fertilizer management, and pay attention to not being too wet in the rainy season.

The function of flower tobacco

Flower tobacco can be cultivated in pots for viewing, and it can also be planted in flower beds, courtyards, lawns, roadsides or the edge of the forest.

The Propagation methods of Flower Tobacco

When flower tobacco propagates, it mostly uses the way of sowing propagation and cutting propagation. The sowing and propagation of flower tobacco is carried out at the beginning of spring.