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The homeland of thuja is East Asia. Thuja is used to create architectural and landscape compositions.
- Features of seed reproduction of thuja at home
- Planting and caring for crops
- Vegetative propagation of thuja: cuttings
- Plant care
Features of seed reproduction of thuja at home
Closer to autumn, seeds ripen on thuja. You need to collect the cones that have not yet opened. Cones for ripening are laid out in one layer in a warm, well-ventilated room, but without exposure to sunlight. When they open, you need to remove the seeds and put them in storage in a closed container. Storage temperature should not exceed +5 ° C.
Such conditions allow maintaining seed germination for 3 years. To increase the effectiveness of seed germination, you need to soak them in warm water for 12 hours, then transfer them to wet sand and leave until the next morning.
For preventive purposes, to get rid of fungi, the seeds are treated with a formalin mixture. After these procedures, the seeds are dried and sowed. Attention! If the drying of the seeds lasts more than 2 hours, this significantly reduces their germination. Sowing is carried out in the spring. You can lay them out on dampened paper and wait until they hatch. After a week, the seeds are planted in the soil. The root of germinated seeds should be half the size of the seed.
Planting and caring for crops
It is preferable to plant in moist soil, planting seeds 0.5 cm deep into the soil. For 1 m2, you will need 5 g of seeds. The sown area should be covered with foliage, sawdust or chopped straw. Mulch layer - 3 cm.
The first shoots will appear in a month. At this time, regular watering and shading from the sun is required. The scorching rays can burn the root collar of the thuja. For protection, you can use shields from branches. After strengthening the seedlings, it is required to sort out the planting material and remove all diseased and poorly developing plants.
Pros and cons of seed propagation
An obvious plus is getting healthy plants. With seed propagation, trees become more resistant and weather-resistant. However, you need to be patient, because seed reproduction is a long process, but this method allows you to get plants that completely repeat the parent specimen.
Vegetative propagation of thuja: cuttings
To create an alley of beautiful coniferous trees, you need to resort to grafting. A novice gardener needs to familiarize himself with the technology of the process itself. The method itself is not difficult, because green cuttings sprout roots in a regular jar of water.
Attention! To root the cuttings, there should be a minimum of water in the jar, the plants should not "float!" Of course, it is problematic to root a large number of cuttings in jars, therefore it is recommended for thuja propagation, to plant cuttings in a greenhouse. For cuttings, you will need to take material from the lignified shoots of thuja.
The cuttings must be broken off, not cut, since there must be a "heel" on the lower part of the branch for rooting. It is better to propagate in the fall. When propagating in spring and summer, the cuttings dry out without having time to give roots.
Cuttings are cut from the strongest shoot. Such branches are distinguished by good vitality and healthy seedlings grow from them. The humidity of the room chosen for rooting cuttings should be within the norm and be at the level of 70%. You can increase the humidity with special air humidifiers.
You can buy them in specialized stores. To simplify the breeding process, can be rooted in mini greenhouses. The success of cuttings depends on the light level. But in an open area, where the sun shines from morning to evening, it is not worth rooting. Greenhouses must have good light transmission.
The selected stalk must be freed from the needles at the bottom and placed in water. Then you need to plant it in prepared soil. To prepare the substrate, you need to mix peat, turf soil and river sand, in a ratio of 1: 1: 1.
The soil can contain pathogens, so you need to disinfect it with a weak solution of potassium permanganate. When planting, you need to ensure that the needles that remain on the handle do not come into contact with the soil. If this moment is missed, the cutting will start to rot and die. The cutting depth is 2 cm. Before planting, it is recommended to treat the cuttings with root or heteroauxin - the roots will appear much faster.
If the germination of cuttings is carried out in containers, to maintain a certain humidity, it is required to cover the container with polyethylene. It is necessary to air the plantings all the time in order to prevent the formation of mold on the soil surface and rotting of the cuttings.
Thuja breeding video:
Do not water the planting rooting material, it is better to spray. This allows you to achieve the necessary moisture and prevent rotting of seedlings. Waterlogging of the soil must not be allowed.
If new shoots appear on the cuttings, it means that the plant has successfully rooted. It is not worth replanting immediately, you need to give a little time to adapt the new seedlings. Rooted plants must be accustomed to fresh air. But this should be done gradually, each time increasing the time for removing the film and airing the greenhouse.
Hardened cuttings adapt better to the new site when replanting. At first, the "air baths" should not be long. First, the planting material is taken outside for 1 hour, then, every day, the hardening time is increased by 1 hour.
Young plants transplanted to a permanent place require constant watering and fertilization. You should know that propagation by cuttings allows you to preserve the maternal decorative qualities, but such seedlings, in contrast to seed propagation, are more susceptible to changes in temperature.
Therefore, they require a certain amount of care. In the first year, the plants need to be prepared for winter. For shelter, sawdust, covering material, foliage, spruce branches are used. In spring, it is required to cover young plants from the sun so that the thuja does not get burns. As soon as the snow melts and a strong drop in temperature is not expected, it is required to remove the covering material.
It is recommended to protect the plants from stagnant water, loosen the soil in the near-trunk circle and regularly inspect for damage. Thuja is more susceptible to diseases than pests, so the timely detection of problems will cure the disease as soon as possible. Cutting thuja is a very interesting activity.
This method allows you to get a large amount of planting material in a short time. As for seed propagation, it would take several years to get the same number of seedlings. Therefore, gardeners recommend using cuttings for thuja propagation.