Common breeding methods of Petunia

1. Sowing and reproduction

Install the soil before sowing, water thoroughly, and spray the seeds after sowing. The seeds should not be covered with any medium, otherwise they will affect germination. After sowing, the soil temperature was kept at 22: 24 ℃, and seedlings emerged at 4: 7 days.

2. Cuttage

You can cut the stem into small segments ranging from 5 to 10 centimeters, and insert it into the soil after the incision is dry. Note that the top and bottom can not be reversed.

After reading the editor's sharing content, have you ever thought: when the season is right, plant a pot of petunia to decorate your little world? Are you also very moved by such a beautiful and lovely petunia? All right, that's all for today! If you want to know more about the breeding methods of petunia, follow our four Seasons Plant Internet Bar, where there is more content you want!

Petunia culture methods Petunia, Solanaceae, Euphorbia. The official name is Bidong eggplant. Perennial herbs, often cultivated in 2012, 20 Mel 45 cm high; stems prostrate, covered with sticky pilose; leaves soft, ovate, entire, alternate, upper leaves opposite; flowers solitary, funnel-shaped, double globose, white, purple or various red, with its color edge, very beautiful, florescence April to defrost; capsule; seeds fine. Distributed in South America, it is now widely popular in many countries.

Sowing, cutting and tissue culture are commonly used. 1. Sowing and breeding: petunia is often cultivated for one year. The sowing time depends on the time on the market. If it needs to be spent in May, it should be sown in the greenhouse in January. Flowers in October need to be sown in July. The sowing time should also be adjusted according to different varieties. The seeds of Petunia are small, with 9000-10000 seeds per gram and the optimum temperature for germination is 20-22 ℃. The seeds are sown in pot and sterilized with high temperature culture soil, rotten leaf soil and fine sand mixed soil. There is no need to cover the soil after sowing, just press it gently and germinate in about 10 days. When true leaves appear, the suitable room temperature is 13-15 ℃. two。 Cuttage culture: indoor cultivation can be carried out all year round. After anthesis, the sprouting tip shoots are cut, 10 cm long, inserted into the sand bed, the soil temperature is 20-25 ℃, rooting takes 15-20 days after cutting, and can be transplanted into the pot in 30 days. 3. Tissue culture: explants with seeds, leaves and sperm rooms, etc. If you use seeds, soak in detergent solution for 5 minutes, remove and rinse with water. Under aseptic condition, soak in 75% alcohol for 8 minutes, then soak in 0.1% mercuric chloride solution for 7 minutes, rinse with sterile water, inoculate on the medium of MS (adding 6-benzylaminopurine 0.5mg / L and naphthylacetic acid 0.1mg / L), the buds appear after 15 days, and the buds are cut into the original medium for subculture. After 20 days, more than 10 buds could be obtained from one small bud. The strong buds of 1 cm were cultured on 1/2MS medium containing 0.05mg / L naphthalene acetic acid and 0.2mg / L naphthalene acetic acid. After 10 days, 100% rooting became complete plantlets. The breeding method of Petunia the efficacy and function of Petunia

Petunia is a kind of flower plant that we are familiar with, and it is widely used in many places, such as home, roadside flower bed, activity site layout and so on. Today, I will introduce to you the breeding methods of petunia and the knowledge of the efficacy and function of petunia.

Breeding methods of Petunia:

The main propagation methods of petunia are cutting and sowing, but the propagation methods of tissue culture are not commonly used. The propagation methods of tissue culture are carried out in aseptic environment, so attention should be paid to sterilization before culture. Let's take a look at the two propagation methods of cutting and sowing of petunia:

1, petunia cutting breeding method: petunia cutting should be carried out in the late spring to Meiyu period when the temperature is not very hot, cut the germinating top twigs, length 10 cm, insert into the sand bed, insert soil temperature 20-25 ℃, note that in addition to the first watering after planting can be slightly larger, after watering should be sprinkled less, otherwise the branches inserted into the underground part are very easy to rot and die, rooting 15-20 days after planting, 30 days can be transplanted on the pot.

2. Petunia sowing and breeding method: the seeds of petunia are very small, sowing and maintenance are proper, and the germination rate can reach more than 60 ^. The sowing and breeding of petunia is suitable for indoor pot sowing and the mixture of high temperature sterilized culture soil, rotten leaf soil and fine sand. After sowing, there is no need to cover the soil, it can be lightly pressed, and the optimum temperature for germination is 20-22 ℃. After sowing, it can germinate after 7-10 days. When true leaves appear, the suitable room temperature is 13-15 ℃.

The efficacy and function of petunia:

1. Decorate the home

Petunia flowers are colorful and colorful, and the decorative flowers with exuberant growth can be widely used in flower bed layout, flower trough configuration, scenic spot decoration, window sill decoration, family decoration, etc., whether it is potted ornamental at home, or hanging pot planting embellishment, will have a very good beautification effect, is a good helper to beautify the home.

2. Gifts

Petunia can also be used as a gift to express one's heart, petunia flower language is peace of mind, with you I feel warm; white petunia flower language is there; purple petunia flower language is broken love. The moral of petunia of different colors is also different, but the moral of petunia is relatively beautiful, and it is also a good choice to give it as a gift to express its wishes.

3. Medicinal use

Many people know that the greatest use of petunia is to decorate and beautify the environment. In fact, petunia can also be used as medicine. The seeds of petunia are also known as morning glory, black ugly, white ugly, but human medicine, which has the effects of purging, diuresis, detumescence and deworming. It has a certain effect on the treatment of chronic glomerulonephritis complicated with edema, freckles and acne.