Propagation methods and matters needing attention of morning glory

Morning glory has a strong ability to adapt, likes the warm and sunny environment, the cultivation is not difficult, and is very popular. Morning glory is a very famous ornamental flower. Artificially cultivated morning glory can be propagated by sowing. The editor will introduce the sowing and breeding method of morning glory for you in detail. Interested friends can learn about it together.

Morning glory

1. Raising seedlings: the germination temperature of morning glory is 20: 30 ℃. Generally, the seeds are sown at the end of April and the beginning of May (the south can also be in advance). The seeds are planted in the fine sandy soil seedbed according to the variety, and germinate in about 10 days when the humidity is moderate. After about 10 days, the cotyledons are fully open. When the true leaves just germinate, they should be transplanted into a small pot, the seedlings are weak too early and the roots are injured too late, which is not conducive to future development. The small basin should be marked with the variety.

2. Planting: after the seedlings in the small basin grow two or three true leaves, the root system has developed well, it can be planted in the middle basin, and the base fertilizer can be added in advance. As Mr. Mei said, morning glory is not afraid of heavy fertilizer, and horseshoe and cooked hemp dregs can be used as base fertilizer. The root system of morning glory needs temperature to develop, and according to Japanese researchers, it is better to use a black basin to absorb heat than a red one. Should often turn the basin to make the sun shine evenly, so that the root system is fully developed.

3. Heart-picking: after the true leaves of morning glory grow three or four, the center begins to grow vines, which should be removed. After picking the heart for the first time, there are branches between the axils of the leaves, and after the branches give birth to three or four leaves, they pick the heart again and combine with plastic surgery at the same time. The fertilizer used is similar to that used for chrysanthemums. Be careful not to stain the leaves (including cotyledons) with fertilizer, water and mud, so as not to fall off the leaves. As soon as the vine grows, it enters the flowering stage (usually one month after planting). Ideally, the first leaf of the vine produces axillary buds, and the axils of the second and third leaves send out buds.

4. Keep seeds: good varieties must keep good seeds, and the seeds should be classified and marked after they are ripe in autumn. If there is a variation, it should be retained. After selecting the female and male parents, the morning glory will cut off the upper end of the bud at dusk the day before flowering, then remove the stamens and wrap them with wax paper bags. The next morning, remove the wax paper bag, use the stamens of the male parent for artificial pollination, and then wrap it with a wax paper bag. After one or two weeks, the wax paper bag can be removed, but the pollination bag must be marked and recorded. In the following year, all the hybrid seeds should be planted well, and the fruit can be seen after flowering, from which the role of various genetic factors can be studied.

5. The cultivation method of winter morning glory is to select and collect morning glory seeds with excellent flowers and colors in time in autumn, and then sow the seeds in pot soil after the Beginning of Winter. The basin soil requires that three or four pieces of horseshoe should be buried or mixed with a small amount of hemp residue as base fertilizer. After sowing, pour the basin soil with about 25 ℃ of warm water, cover the glass plate or cover it with a plastic bag, and place it on a warm sunny windowsill. After the seedlings were unearthed, the mulch was removed in time, and after inter-seedlings and squatting seedlings, 2-3 strong seedlings were selected and erected to guide the vine stem to climb, let it grow naturally and bloom. In peacetime management, as long as we pay attention to timely watering with water close to room temperature, always maintain sufficient light, and beware of freezing damage to leaves. The method of dwarfing cultivation is as follows: when the cotyledons or the first-2 true leaves of morning glory seedlings are unfolded, the terminal bud is removed in time to make the plants dwarf and erect, so that the leaves and axils of cotyledons and real leaves can bud and blossom. Therefore, morning glory can accept the characteristics of photoperiod induction at the cotyledon stage, so the blooming of pregnant buds can show large Corolla and beautiful color. If you open the time to sow more than one pot, and each pot has a variety of petunias seeds, so that the flowers bloom one after another, a new day, extremely fresh and chic, can add interest to the winter room.

Breeding methods and matters needing attention of Petunia

Petunia has bright colors and a long flowering period. it implies peace and harmony in the family. it is the ornamental plant that people most like to raise at home. If you want to raise petunias is not a simple thing, in addition to master its breeding methods, but also know what to pay attention to in the breeding process, otherwise it will often appear not to blossom or leaf yellow and death and other adverse symptoms. The following is a specific introduction to its breeding methods and matters needing attention. If you like this kind of plant, you can focus on it.

Culture method

To cultivate petunia at ordinary times, we should prepare loose, fertile and permeable loose soil, and put it in an environment with sufficient light and good ventilation. After planting petunia, we should give it enough water and fertilize it every half a month. After the petunia has three or four leaves, there will be vines in the center, so it should be removed in time. Only in this way can the flower branches be promoted to produce more beautiful flowers.

Matters needing attention in culture

1. Pay attention to the temperature

In the process of breeding petunia, attention must be paid to the regulation of ambient temperature, because this plant is not resistant to frost or high temperature. It grows fastest in an environment of 13 to 18 degrees, stops growing in an environment below 10 degrees, and dies because the temperature is too low when it is below four degrees, so petunias must be placed in a warm environment in winter. In summer, morning glory cannot be placed in a high temperature environment above 35 degrees Celsius. If the weather is hot and the temperature is too high, spray water to its leaves in time to cool down.

2. Pay attention to fertilization

The fertilization of petunia is also a place that needs special attention. It has different demand for fertilizer at different growth stages. When it is in the seedling stage, it should apply thin fertilizer frequently and choose compound fertilizer with high nitrogen and potassium content. After he enters the flowering stage, the supply of phosphate fertilizer should be increased. Only in this way can it be colorful. In addition, when planting petunia at ordinary times, we should also give it sufficient base fertilizer.

3. Pay attention to diseases and insect pests

In breeding petunia, we should also pay attention to the prevention and control of diseases and insect pests, let it be moderately exposed to sunlight at ordinary times, and pay attention to environmental ventilation, otherwise it will appear net rot or leaf spot disease. After the occurrence of these diseases, chlorothalonil or carbendazim can be sprayed. And the diseased leaves should be removed in time. In addition, petunia is also prone to aphids, leaf moths and other pests in the process of growth, so it is necessary to spray pyrethrum solution in time to eliminate the pests.

How to grow morning glory culture methods and matters needing attention

Morning glory, also known as trumpet flower, belongs to the Solanaceae plant, its design and color can be described with colorful, there are many people like it, how to grow morning glory? Today, let's talk about the breeding methods and matters needing attention of morning glory.

The culture method of morning glory:

1. Soil: morning glory is afraid of water, which will cause rotting roots, so potted morning glory should use loose, fertile and well-drained sandy loam.

2. Watering: morning glory should be watered properly to prevent it from being too dry or too wet. Over-dried plants are easy to wither, and too wet to rot roots. Summer weather is hot, evaporation is the largest, should be timely supplementary watering, to keep the basin soil moist without stagnant water, rainy season need timely drainage and waterlogging prevention.

3. Illumination: morning glory is a long-day plant, which requires strong light conditions so that photosynthesis can be carried out smoothly. Therefore, sufficient light should be given to both potted and ground plants. If the sun is sufficient, the growth is strong, the leaves are luxuriant and the flowers are numerous; if the light is not enough, the branches and leaves are easy to grow, and the flowering quality is poor. If you can give more than 12 hours of light every day, and the night temperature is more than 10 ℃, it can blossom in four seasons.

4. Temperature: morning glory is not resistant to frost, the optimum temperature for growth is 13-18 ℃, and the winter temperature is 4-10 ℃. If the temperature is lower than 4 ℃, the plant growth stops. It can withstand high temperature of more than 35 ℃ in summer.

5. Fertilization: morning glory has a long flowering period and needs continuous nutrition in order to blossom continuously. thin fertilizer should be applied frequently in the early stage of seedling growth. fertilizers with high nitrogen and potassium content and appropriate low phosphorus can choose urea. Compound fertilizer chooses nitrogen, phosphorus and potassium ratio of 15-15-15 or high nitrogen and potassium, and the concentration is controlled at 0.1%-0.2%. Water-soluble fertilizers generally choose 20-10-20 and 14-0-14. The concentration is 50 × 10-6 × 10-6 × 10-6. Potted flowers are produced in winter, compound fertilizer is applied frequently from March to April, and nitrogen fertilizer is applied properly according to the growth situation.

6. Insect pests: the diseases of morning glory are mainly quenching disease in seedling stage, stem rot in growing period, and the main pests are Plutella xylostella, aphids, leaf roll moth and so on. Quenching disease can be controlled with 800-1000 times of chlorothalonil and methyl topiramate. Aphids generally can not be sprayed with fenvalerate, which is easy to cause drug damage and affect growth.

7. Pruning: when the seedlings grow to about 10 cm high, petticoats are carried out to promote their sprouting lateral branches, then they blossom more. If there is no need to leave seeds after each flower fade, the residual flowers should be cut off in time, and the branches should be cut short, and the lateral branches can continue to germinate and blossom continuously.

Points for attention in the culture of morning glory:

1. Do not stain the leaves (including cotyledons) with fertilizer, water and mud to prevent the leaves from falling off. As soon as the vine grows, it enters the flowering stage (usually one month after planting). Ideally, the first leaf of the vine produces axillary buds, and the axils of the second and third leaves send out buds. After the bud is formed, the stipules of the bud can be removed to facilitate the development of the bud. In order to ensure an adequate supply of nutrients and produce large and gorgeous flowers, you can also get rid of some buds and cultivate single flowers, just like cultivating a variety of chrysanthemums. After blooming, you should pick off the residual flowers so as not to make them as children, so as not to affect them.

2. Selection basin: morning glory should be planted in clay pots with good permeability and inner diameter of 20 to 30 centimeters, with two or three plants in each basin. If you plant purple sand basin, plastic basin and porcelain basin with poor permeability, you can put a layer of broken charcoal block or broken hard plastic bubble block at the bottom of the basin to enhance air permeability and drainage and prevent rotting roots. One plant per pot can also be planted in a plastic hanging basin and hung on the balcony or window.

The soil is best selected by using loose and fertile slightly acidic sandy loam. Rotten leaf soil, vegetable garden topsoil, sand or perlite can be used to prepare buckwheat soil at 5:4:1, and the best pH value is 5.86.2. If the pH value is more than 6.6, it will inhibit the absorption of iron by roots and lead to leaf yellowing. Avoid heavy clay and saline-alkali soil.

3. See more light: morning glory likes light, likes warmth, and is not resistant to cold. The most suitable growth temperature is 15-25 ℃, except for the high temperature in midsummer, especially the need for proper shade at noon, the rest of the season should see more sunlight, and the more sunshine, the more luxuriant the growth, the more flowers. Should be placed in Xiangyang courtyard, roof garden, south or west balcony, windowsill.

4. Regular pruning: proper pruning during the growing period can not only control the plant type but also promote more flowering, which can blossom continuously all the year round in the cool and warm climate.