How does podocarpus have a high survival rate when grafted? When is the best time to transplant?

Podocarpus is a tree with high ornamental value, which can also be used to make furniture and has high application value. So how can podocarpus be grafted with a higher survival rate?

1) How to improve the survival rate of podocarpus grafting?

1. The grafting period of podocarpus is carried out in early November. At this time, the grafting temperature is more suitable. In the spring, scion wounds and rootstocks heal.

2. The grafting tools of podocarpus should be prepared in advance, and the tools used in grafting include knives, tapes, scissors, screwdrivers, healing agents, films and other materials.

3. Select the scion from the podocarpus when it is an adult, and select the branch at the top of the branch. The number of buds is determined according to the number of scions, and the shoots are selected and they are cut.

4. After cutting off the branches of podocarpus, remove the leaves at the bottom of the branches, and the length of the scion should not be too long, and the length should be about 3 cm. The root side of the branch should be flat and can be tilted 40 degrees.

5. There is no special selection of rootstocks, which is the problem of direct grafting of scion on old adult plants.

6.During the grafting process, first make a vertical incision in the rootstock with a utility knife, cutting off the outer skin that may be deeper, then use a flathead screwdriver to remove the incision, and then insert the monk fruit scion into the incision to make it deeper while inserting it firmly. Then apply some healing agent next to the scion, cover it with a film and secure it, you can wrap it with a rope to make it firm and keep it warm and moisturized.

In the scion section, a hole can be dug in the membrane to expose the scion part. So even if the podocarpus grafting is completed, the next step is to wait patiently for the scion to fuse with the rootstock, which is a relatively long process and requires patience.

2) When is it better to transplant podocarpus?

Podocarpus can be transplanted in November, the best in the south, and the north is recommended to transplant in March and April in the spring. Due to the low temperature in November in the northern region, once it falls below 10 degrees, the growth stops, and it is susceptible to frost damage, and the survival rate decreases after transplanting, and the management difficulty increases.

Cut off a branch on the podocarpus and plant it in the soil, so that the survival rate of planting will be higher. It is better to transplant it when it is warm, so that the plant can recover and grow quickly.

The survival rate of pruned branches will be higher. It is best to choose the time of spring, so that it is easy to survive and will not affect the quality of podocarpus.

Be sure to choose the right time, master the technical essentials, be sure to protect the roots, and add fertilizer in time, you should ensure that the base fertilizer is sufficient, generally in May or June.

In this way, the survival rate of podocarpus cuttings is high, and it is simple and easy to learn, and it is easy to manage.

Podocarpus. Grafting generally survives in about half a month, and the grafting method with a high survival rate can be used to ensure the quality of grafting.

For example, most of the young shoots are grafted with large-leaved podocarpus as the rootstock, it should be noted that the rootstock needs to be properly pruned before grafting, and then the young branches of the rice-leaved podocarpus can be selected as the scion for grafting, and the cutting method is the same as that of other grafting. When grafting, it is especially important to pay attention to the alignment of the scion with the cambium layer of the rootstock, and then pay attention to proper management, so that the plant can grow healthily. It has been scientifically proven that this grafting method has the highest survival rate.

It can also be used after grafting to make the survival rate higher.

It is mainly grafted between various podocarpus of the same genus (podocarpaceae podocarpus), which is a different family of yew and podocarpus, and the grafting affinity is low and difficult to succeed.

Podocarpus is considered alive after 5 to 10 days of transplanting, at which time it has been potted, adapted to the new environment, and can carry out normal growth and development. When cultivating podocarpus, it is necessary to ensure that there are more than 5 hours of scattered light time per day, watering when the soil is dry, nitrogen and phosphorus fertilizer during the vigorous growth period, and phosphorus and potassium compound fertilizer in autumn.

Podocarpus has a strong ability to adapt to the environment, the speed of growth and development is faster, generally after 5 10 days of growth, it can complete the pot, carry out normal growth, at this time can carry out normal watering and fertilization, when the soil becomes dry, watering, to water until the water can penetrate to the bottom of the soil, apply a small amount of decomposed fermented basic fertilizer or nitrogen and phosphorus fertilizer.

The most suitable planting time for podocarpus is March and April, and the temperature needs to be controlled between 15 and 28, Shenna ensures that there is no time for sufficient light and swimming, and chooses mixed soil containing garden soil, peat soil, perlite, and humus, and a layer of coarse stone sand can be evenly spread at the bottom of the soil, and then an appropriate amount of basic fertilizer is added.

When transplanting podocarpus, the root system of podocarpus should be treated first, pruning off the rotten root system, and wrapping it with plant ash to dry before planting. When planting podocarpus, insert it vertically into the soil, fill it with fine soil once, compact the soil, and water it once to ensure that the water is sufficient to promote the close integration of the root system and the soil.

After the transplanting of podocarpus is completed, it is necessary to keep the soil moist, and wait until the podocarpus is completely potted, and then carry out normal watering and fertilization. In the summer maintenance, it is necessary to do a good job of shading measures to prevent the leaves of the plant from being burned, and in the winter maintenance, it is necessary to do a good job of thermal insulation and moisturizing measures.

The method of high survival rate of podocarpus grafting is as follows:

1. Time. Grafting is best in spring from March to April, small seedlings need to be soiled, and large seedlings need to be soiled. In the high temperature season of midsummer, it needs to be maintained in a semi-shaded place. Take precautions against the cold in winter.

2. Soil. It is required to be sandy, fertile and well-drained slightly acidic soil, and potted plants can be prepared as culture soil with 5 parts of garden soil, 2 parts of coal soil and 3 parts of coarse sand. Generally, it is repotted every 2 years.

3. Watering. Keep the soil moist during the growing season. Water thoroughly when the soil is dry, and drench your feet in the morning and evening in midsummer to prevent the leaves from wilting. Keep the soil dry in winter.

4. Fertilization. When changing pots, apply decomposed organic fertilizer as base fertilizer, apply thinly many times in the growing season, apply decomposed organic fertilizer in February and March and 9-11 months, and apply Panax notoginseng fertilizer water 3-4 times.

5. Pruning. It is best to remove the flower buds in time when flowering to avoid consuming nutrients. For bonsai that have been shaped, attention must be paid to topping and pruning to prevent branches and leaves from growing to maintain the original posture. Pruning and topping is best done during the spring and autumn growing periods.

Podocarpus grafting time.

Podocarpus is generally about ten days before the start of spring, so it can be grafted at the end of February or early March. Other times are not suitable for grafting.

The survival rate of grafting in these months is high.

Podocarpus is generally grafted in late February to early March in spring. At this time, about the first ten days of spring, the branches of podocarpus began to recover. So the grafting success rate will be very high at this time.

What stumps can be grafted podocarpus.

The most suitable stumps for grafting podocarpus are the tongue and podocarpus. Grafting these two varieties onto the fast-growing stump of P. podocarpus can not only improve the forming speed of the stump, but also improve the ornamental value of the stump.

Podocarpus grafting method.

1.Pinus sylvestris tendon grafting method: tendon grafting mostly uses Pinus sylvestris sylvestris as rootstock.

It should be noted that the rootstock should be properly pruned before grafting, and then the young shoots of Pinus sylvestris var. sylvestris can be selected as scion for grafting. The cutting method is the same as other grafting methods. 2.

Podocarpus ventral grafting: The rootstock chosen for ventral grafting is also podocarpus, but it takes two to three years to grow. Podocarpus can also be used for scion and can be done all year round.

The difference is that the grafted part becomes the belly of the rootstock. Regardless of the grafting method, it is necessary to carry out bagging and moisturizing. Of course, if grafting is to be carried out in the middle of summer and winter, great attention should be paid to management issues to avoid plant death.

After grafting, the survival rate of podocarpus is high.

1.Watering trapped jujubes: The newly grafted podocarpus bonsai should be thoroughly watered at the beginning.

And for the next month, the number of watering should be controlled. Keeping the potting soil dry is more conducive to the survival of the scion. To avoid water loss from podocarpus, a spray is needed to hydrate.

2.Fertilization: Fertilization of newly grafted podocarpus is not recommended.

Especially in the first month of life, do not fertilize podocarpus. A month later, when the scion sprouts. Some fertilizer should be supplemented.

Apply some organic fertilizer thinly, pay attention to thin fertilizer and apply it frequently. 3.Lighting:

After grafting, avoid excessive light for the first 3 days. Especially at noon, when the temperature is high, it is recommended to shade Luo between 9 am and 16 pm. After 3-5 days of grafting, gradually add light to the pile.

Let it have an adaptation process until growth resumes before it can be transferred to normal management.

In summer, due to the high temperature and strong transpiration, trees often die due to dehydration. In order to improve the survival rate, in addition to the conventional methods, some special measures should be taken during the construction:

1 Increase the size of the ball of the earth.

2. Proper thinning, pay attention to the smoothness of the cutting edge, and apply a protective agent.

3. Try to avoid hot and dry weather for transplantation, and it is best to arrange the seedlings in the morning or afternoon. After 4 o'clock, to reduce the water loss of seedlings; When transplanting, it is necessary to use giant cranes and transport vehicles to relocate, because it is impossible to move all the roots and branches, and many branches and roots will definitely be injured during transplantation, so it is best to be operated by a professional relocation team; Immediately after the seedlings are lifted, if the road is long, measures should be taken to reduce the evasion and water loss of the seedlings during transportation.

4. After the seedlings are transported to the construction site, personnel should be organized to plant them immediately.

5. The number of watering times and the number of days between days should be decided according to the actual situation; If there are several heavy rains after planting, the amount and frequency of watering can be reduced; If there is continuous high temperature and little rainfall, it is necessary to increase the amount of irrigation; The amount of irrigation should not be too much or too little, otherwise it will soak the roots or make the roots drought, which will affect the survival of the transplanted trees; Podocarpus is resistant to shade and dampness, and should be watered frequently during the growth period, but should not be watered.

6. The canopy can be shaded with a canopy, the size of the canopy is equivalent to the canopy width of the tree, and the canopy is sprayed regularly to maintain humidity and improve its survival rate.