Cutting Propagation methods of Dahlia

Dahlia is one of the most famous flower varieties in the world, and there are more than 30,000 dahlias. The general sowing and planting methods are applicable to dahlias. In fact, dahlias can also be propagated by cutting. The editor will introduce to you the matters needing attention in cutting propagation of dahlias.

Dahlia

Dahlia cuttings can be used for terminal bud, axillary bud and foot bud in all parts of the plant, but the foot bud is the best. The cutting time is from early spring to summer and autumn, and the survival rate is the highest in March and April. The cuttings can take root in about 2 weeks (but there are also some flower friends who have not taken root for 2 months, but the leaves have grown out). In order to improve the survival rate of cuttings, the roots were placed in the greenhouse before cutting. when the temperature was kept above 15 ℃, it was easy to lose all Q, and the cuttings were cut when the buds 6~10cm, that is, when the foot buds grew 2 true leaves.

There are also some flower friends who have done water cuttings and use vermiculite as substrate cuttings, all of which can be successfully cut (remember not to bask in the hot sun). After the cuttings survive, you can consider topping at 15cm, which can dwarf the Dahlia plant and have many flowers.

The reason why many flower lovers try to cut dahlias is that the stems of dahlias are empty and brittle and easy to be broken by the wind, so they should be supported by bamboo planting in time, which can also avoid the bending of branches and improve the ornamental value of potted plants. When the plant is more than 30 cm tall, a small bamboo should be inserted next to each branch and tied with hemp skin (or string); as the plant grows taller and taller, a longer bamboo should be replaced in time, and the final bamboo should be placed on the lower part of the bud.

The cutting propagation methods and techniques of Dahlia, and the introduction of its cutting propagation steps.

Speaking of dahlias, I believe we are no stranger to them. Dahlia is a common ornamental flower, which is deeply loved by many flower friends because of its charming fragrance and attractive color. Cutting propagation is one of the most common propagation methods of Dahlia. So, do you know the matters needing attention in cutting propagation? Let's study with the editor.

Dahlia propagation in addition to ramet rhizome can also be directly cut, so how to do Dahlia cuttage? In fact, it is very simple, and other flower cutting methods are basically the same, here we mainly talk about the main points for attention of Dahlia cutting.

Dahlia cuttings can be used for terminal bud, axillary bud and foot bud in all parts of the plant, but the foot bud is the best. The cutting time is from early spring to summer and autumn, and the survival rate is the highest in March and April. Cuttings can take root for about 2 weeks (but there are also flower friends who have not taken root for 1-2 months, but the leaves have grown out). In order to improve the survival rate of cuttings, the roots were placed in the greenhouse before cutting. when the temperature was kept above 15 ℃, it was easy to lose all Q, and the cuttings were cut when the buds 6~10cm, that is, when the foot buds grew 2 true leaves.

There are also some flower friends who have done water cuttings and use vermiculite as substrate cuttings, all of which can be successfully cut (remember not to bask in the hot sun). After the cuttings survive, you can consider topping at 15cm, which can dwarf the Dahlia plant and have many flowers.

Note: the reason why many flower lovers try to cuttage dahlias is that the stems of dahlias are empty and brittle and easy to be broken by the wind, so they should be supported by bamboo planting in time, which can also avoid the bending of branches and improve the ornamental value of potted plants. When the plant is more than 30 cm tall, a small bamboo should be inserted next to each branch and tied with hemp skin (or string); as the plant grows taller and taller, a longer bamboo should be replaced in time, and the final bamboo should be placed on the lower part of the bud.

That's all I know about Dahlia today. I hope it will be helpful for you to read this article. If you want to know more about Dahlia, please continue to pay attention to the succulent flower bed, we will provide you with more related knowledge!

How to propagate dahlias? cutting propagation of dahlias

Dahlia, also known as Dahlia, Tianzhu peony, sweet potato flower, marble, passionflower and chrysanthemum, is a perennial herb of Compositae. She is the national flower of Mexico, the provincial flower of Jilin Province and the city flower of Zhangjiakou City, Hebei Province. The colorful dahlias symbolize generosity, richness and good fortune. Its footprint has spread all over the world and has become a frequent visitor in the garden and a world-famous ornamental flower.

1. Land selection and land preparation: select fields with deep tillage layer, loose and fertile land, flat terrain and good drainage. Before deep ploughing, 125 kg calcium superphosphate per mu is applied as base fertilizer, plus 50% of sub-farmers 0.5 kg, soil disinfection, soil deep turning about 15 cm, and then rake flat, do high or flat border width 2 meters, ditch depth 20 cm, open internal and external "three ditches" to facilitate drainage.

two。 Cutting method: from June to August, lateral buds grow to 15 to 20 cm, combined with lateral buds cut along with sowing. The cuttings need 3 buds, leave the upper 2 buds, cut the third buds to the base of the leaves, insert the second buds into the soil, water them thoroughly, and use 50% shade net for double shade. Water one in the morning and one in the evening on a sunny day, watering continuously for half a month, and the soil moisture is kept at 90% for 3 weeks. The survival rate is very high, and it can blossom in the autumn of that year.

3. Field management: after the cuttage survived, the saturated leaching solution of compound fertilizer was applied once before and after flowering, and 400 ml mother solution was added to each back sprayer (about 12.5 kg) for extra-root topdressing. Dahlia should not be ploughed deep after rooting, so as not to damage the root tuber and prevent grass damage. Because the plant is succulent and soft, it is necessary to stand up so as not to break the stems and leaves. When the seedlings of small flowers are 15 cm high, they are topped to make the plants stout and blossom. After the flowers are taken off in time, the flowering period can be prolonged.

4. Disease prevention and pest control: Dahlia mainly has powdery mildew and brown spot, which harms the tender stems, flower stalks and flower buds of Dahlia leaves from June to October, affecting the normal growth and prevention as soon as possible. Spraying with 50% carbendazim 500 times solution or 50% Dysen zinc 800 times solution can effectively control the occurrence of the disease.

5. Harvest and storage: the second flowering period of Dahlia is from September to October, when the second flowering period is over, the plant stops growing, that is, leave 10 cm root neck before Frosts Descent, cut off the branches and leaves, dig up the roots and let them dry for 1 to 2 days, so that the surface is dry and stored in 3-5 ℃ cold room for sand storage. The next spring can sprout, branch and blossom.

Through the detailed introduction of this article, I hope you can gain something! Thank you for your support and attention to the succulent flower bed!