How to prune the branches and leaves of potted peony flowers can peony flowers be propagated by cuttings

As the national flower of China, peony blossoms rich and gorgeous, and has a unique sense of beauty. Many writers and writers all recite the moving poem of "Red Peony in front of melancholy step, but only two crippled branches in the evening". Peony has very high ornamental value and medicinal value. It is not easy to plant peony well. Today, the editor will take you to learn how to trim peony flowers.

How to prune branches and leaves of potted peony

In early spring, the peony will wake up from dormancy and gradually transition to the growing period. at this time, check the buds on the branches and keep only 2 or 3 buds at the top to remove the rest. In addition, check whether the rhizome is sprouting and dig it out in time. After pruning peony after flowering, petals and withered leaves should be removed, which can reduce the consumption of nutrients in the pot and is beneficial to the division of flower buds. When the flower bud differentiation is more obvious, only the buds on both sides of the branches are retained, and all the buds at the top are cut off.

Pruning winter plants before the beginning of winter is just in the dormant period, and pruning is the best time. All the overlapping branches, cross branches, disease and insect branches on the plant can be cut short for the thin branches, which can promote their rejuvenation. For overgrown branches, cutting short can reduce the consumption of nutrients.

Dutch peony pruning method this is a more common pruning method. The remaining flowers will be cut off after the flowers are withered from April to May, and the new buds will be used to dig up some of them at the beginning of June. The branches were truncated in the middle of September. The main purpose of this cutting method is to establish the trunk, through pruning will continue to grow beautiful branches, covering a small area, but the disadvantage is less flowering in a short period of time.

Can peony be propagated by cuttings?

Cutting propagation is a method to propagate new plants by using the adventitious roots of peony branches, and it is one of the methods of asexual propagation.

The method is to cut off the branches of the cuttings, detach them from the mother plant, and then insert them into the soil or other substrates to make them take root and become new plants.

For the branches propagated by peony cuttings, it is necessary to choose the current year's soil buds from the roots of the peony, or when the peony is shaping and pruning, the branches with full stems and full terminal buds without diseases and insect pests should be selected as ears, with a length of 10-18 cm. The root of peony is fleshy root, which likes high dryness, avoid dampness and is resistant to drought. Therefore, the nursery bed should be ventilated and sunny, and a high bed should be built to raise seedlings. When cutting, irrigate one bed after cutting, and water it thoroughly at one time.

Cutting substrate:

The sandy loam soil with loose land, good drainage and rich humus is selected as the substrate, and the pH value is between 5 and 6. It is best to disinfect with 0.1% potassium permanganate solution before use.

Cutting time:

It is carried out from June to July every year, when there are more Rain Water, the ground temperature and air temperature are also more suitable, and the survival rate of cutting is high.

Cutting method:

1, bud insertion, select branches with full axillary buds, cut off inflorescences, cut off from internodes, each node with a section of branches about 2 cm long as cuttings, remove part of the leaflets, flat inserted into the substrate 5 cm deep, leaves exposed to the soil surface, plant spacing of 5 cm × 10 cm. ② tender wood cuttings, select fully grown branches, cut off inflorescences, cut according to 2 to 3 segments, each section is about 10 cm long, leaving the upper end of a leaf, and sparse part of the leaflets, inserted into the soil 2 nodes, the upper section with leaflets exposed to the soil, plant spacing of 10 cm × 10 cm.

Plug-in management:

After insertion, the cuttings are watered once with a fine-eye spray pot to make the cuttings in close contact with the substrate. The bed surface is covered with arch shed, covered with plastic film and covered with grass curtains to create a semi-shady environment. The temperature should be controlled at about 25 ℃. When it is too high, it should be properly ventilated and cooled to keep the bed soil moist. About 40 days can take root, gradually remove the greenhouse film, grass curtain, the next spring can be transplanted and planted, flowering in the same year.

How to make the peony blossom well

"the peony sacrificed his life rather than the flowers." Peony consumes a lot of nutrients when it blossoms, and its resistance is poor. Only by strengthening the maintenance and management at this time can we ensure that the flowers are big and colorful, which is also beneficial to the future growth and the formation of flower buds in the same year. The management before and after flowering mainly includes the following points:

Guard against cold

In the middle reaches of the Yellow River, peony has sprouted since early February. Due to the changeable climate in early spring, passengers are vulnerable to cold spell and late frost, so special attention should be paid to cold prevention. Potted peonies should be moved to the leeward and sunny place; ground-grown peonies should be covered by grass sheds, or light moist firewood and grass before frost to prevent frost.

Shulei

The flowering of peony is similar to that of fruit trees, and there is also a phenomenon of "big and small years". After budding, appropriate bud thinning should be carried out according to the tree potential and the flowering situation of the previous year. If there are many buds in that year, it can be regarded as a "big year", and some of the smaller and lower buds should be removed (about 1/3). The work of soothing buds should be done sooner rather than later.

Topdressing outside the root before flowering

After the expansion of peony leaves, due to the strengthening of photosynthesis, the leaves have a certain ability to absorb fertilizer. At this time, 0.1%-0.2% potassium dihydrogen phosphate can be used for foliar spraying. If you can spray 2Mel 3 times before flowering, the buds will be fuller and bigger, and the flowers will bloom more brightly.

Watering

In the north, it is dry and rainy in spring, so it needs to be watered again before flowering (early April) in addition to watering at the beginning of March. Stop watering as you approach flowering. Avoid spraying water on leaves and flowers, otherwise it will shorten the flowering time and make the flowers wither quickly.

Shading

Avoid strong wind and cool days when peony blossoms. In order to prolong the flowering time, it is necessary to use thin white cloth (do not use colored cloth or flower cloth) to shade the bud at the beginning of the bud, which can prolong the flowering period by 4Mel for 7 days.

Cut off the residual flowers

After peony blossoms, cut off the residual flowers in time, which can not only avoid the scene of "decay", but also reduce the consumption of nutrients. Some single-petal varieties are easy to bear fruit, and their flowers should be cut off in time if they are not for hybrid seed collection.

Post-anthesis fertilization

Because peony flowering consumes a lot of nutrients, it can not be supplemented only by topdressing outside the root before flowering, and can only be made up by giving a large amount of fertilizer after flowering. It is best to apply fertilizer with fully mature three cakes (sesame cake, bean cake, cottonseed cake or rapeseed cake). The amount of fertilizer should be determined according to the size of the plant. Fertilization should be carried out at a certain distance from the root neck and a circular shallow trench about 15 cm deep should be opened. Water thoroughly immediately after application.

How to control the flowering time of peony flowers

To control the flowering time of peony, it is generally necessary to choose 4-5-year-old plants with full buds and strong growth. It can be boiled 45-60 days before New Year's Day (Spring Festival) and gradually warms up after moving indoors. It is controlled at 15: 20 ℃ during the day and 10: 15 ℃ at night, and water is often sprayed to the leaf surface and the ground to increase relative humidity.

After the peony leaves are unfolded, the light should be gradually increased, thin fertilizer should be applied every 7 to 10 days, and 0.2% potassium dihydrogen phosphate solution should be sprayed on the leaves. In this way, after 40 to 45 days, up to 60 days (depending on different varieties), you can show up in New Year's Day (or Spring Festival). After flowering, the flowering period can be prolonged by properly lowering the temperature and keeping it at 10-15 ℃.

Only the peony is truly national, and the beauty of the peony is difficult to describe in words when it is in bloom. Against layers of green leaves, exquisite peonies blossom one after another, like beautiful girls wearing exquisite and charming skirts and the breeze blowing, as if the fairy makes people panic, and the goddess makes people dare not approach, elusive.