Papaya planting technology How to raise papaya seedlings

The melon has strong adaptability, and it is better to use sunny fertile soil, and can be propagated by cuttings, stripping, branching, seed transplanting and other methods. Seeds multiply and grow slowly, and bear fruit in 5-6 years; The multiplication of ramifications is relatively fast, and it can bear fruit in two or three years; Autumn planting is better than spring planting.

1. Seedling. At present, Lushui County mostly uses seeds for propagation. The method is to take out the seeds after the fruits are ripe in autumn, and the seeds do not need to be cleaned after they are removed, and the seeds should not be exposed to the sun. After the seeds are taken, they are sown in autumn, or they can be stored in low-temperature sand until the next spring.

2. Planting. Planting before the arrival of autumn, spring or rainy season, the density is about 40 plants per mu, and it is also possible to plan to plant 60-80 plants per mu densely, in order to flower and bear fruit in advance and maintain the excellent traits of the mother tree, it is best to use cuttings and grafting to propagate. Immediately after spraying, the new high-lipid film is sprayed to shorten the reprieve.

3. Soil, fertilizer and water management. Papaya is adaptable, but it still needs careful management to achieve high and stable yields. Peas, soybeans, artichokes, etc. can be interplanted at the young tree stage, and in order to prevent soil erosion, the slope with steep slope is less cultivated.

After harvesting the fruit in autumn every year, the ditch is applied to the base fertilizer (farmhouse fertilizer plus an appropriate amount of phosphorus and potassium fertilizer). In the spring of the following year, after flowering and young fruit stage, top dressing is done again, with potassium fertilizer as the main fertilizer combined with phosphorus and potassium fertilizer. In the spring fruit expansion stage, top dressing is done again, mainly potassium fertilizer and nitrogen fertilizer.

4. Shaping and pruning. The method of shaping and pruning young trees is as follows: after the young trees are planted, they are dried and the main branches and side branches are cultivated year by year to form the crown skeleton.

For the pruning of fruiting trees, if the crown is too shady, a part of the large branches can be thinned or retracted, and if there are many erect and long branches in the crown, they can be cut or shortened and pulled dry as needed. Prune the dead branches, diseased branches, and over-dense branches in the canopy, and the branches germinating at the base of the large branches and the lower part of the main trunk are generally not pruned, and a small part of the better position can also be left for crown renewal. Secondly, apply a callus antiseptic film to the trim mouth to prevent water evaporation and nutrient consumption.

Papaya Planting Tutorial: Teach you how to grow papaya in pots at home, have you learned.

1. First choose the place. Choose loam or sandy loam soil with sufficient sunshine, fertile soil, moist and well-drained, neutral or slightly alkaline, and you can also use field corners, hillside land, front and back of the house for planting. When cultivating in pieces, open holes according to the spacing of 2 meters in the rows, dig long rice, wide meters and deep meters of planting holes before planting, and apply 5 kg to 10 kg of farmhouse fertilizer for base fertilizer in each hole.

2. Sowing time. Papaya can be sown in spring or winter, sowing in spring 2 April, planting in April and May, seedling period of 50 70 days, winter sowing from mid-October to early December, seedling period of 120 130 days, pay attention to the use of cold and warm measures.

3. Sowing method. Before sowing papaya, the seeds are soaked in an appropriate concentration of soda solution for 6 8 hours, and after soaking, they are drained and mixed with sand, and sown in the seedbed according to the row spacing of 20 cm, covered with thin soil and covered with straw, kept moist, and the seedlings can emerge in 40 50 days.

4. Planting density. Papaya can be planted in spring, can also be planted in autumn, after planting can be 70-80 cm on the ground to dry, germination in time to erase the root tiller and the root of the base of the 50 cm of the sprout, appropriate thinning of the dense new shoots. It is suitable for dense planting, the row spacing of thin land in mountainous and hilly areas is generally 2 3 meters, the row spacing of flat land with good fertilizer and water is 3 4 meters, and the row spacing of plants is 5 5 meters when intercropping with grain and vegetables.

5. Water and fertilizer management: most of the basal fertilizer in papaya orchards is applied in autumn, and the amount of basal fertilizer applied accounts for about 70% of the total amount of fertilizer applied throughout the year. Top dressing should be based on the growth and fruiting status of papaya trees, and the trees should be timely and applied pre-flowering fertilizer, post-flowering fertilizer, and fruit expansion fertilizer during the peak fruiting period, and the amount of fertilizer applied to young trees should be reduced.

After fertilization, irrigate once and pay attention to water control during flowering, and cover the tree tray with mulch or grass to protect moisture after planting in arid areas.

6. Seedling management. After the emergence of papaya seedlings, it is necessary to cultivate soil and moisturize, reduce watering when growing Wuxiang 2 3 leaves, promote deep rooting and prevent growth, start to apply thin fertilizer at the 4 leaf stage, start refining seedlings at the 5 leaf stage, and leave the bed or plant in the field in the spring of the second year.

7. Shaping and pruning. After grafting, the middle stem of papaya is relatively erect, and it can be formed into a cup-shaped, cylindrical or slender spindle shape after a little pruning, and it is generally mainly slender and spindle-shaped. Pruning is mainly sparse, and attention should be paid to pruning the middle trunk competitive branches, erect long branches in the crown, over-dense branches, weak branches, diseased and insect branches, etc.

1-2 buds can be left short in the missing branch part to promote the growth of branches, and the fruiting branch group of senescent traces should be retracted and renewed in time.

1. Seed selection and planting.

First of all, it is necessary to choose a good variety, choose a suitable one according to the local environment, and ensure that it has the ability to pollinate each other. After selecting the seeds, choose the sandy soil with a thick and loose soil layer and normal drainage and irrigation for planting. Control the row spacing of plants and dig planting holes.

Then, about 10 kg of farm manure is applied to each planting hole. The seedlings are mainly about two years old, and the cultivation time should be selected in spring and autumn. It is usually mainly in autumn, because if it is cultivated in autumn, it will heal quickly and have a high survival rate.

The height of the seedlings is kept at about 120 cm, the roots are intact, and the watering is done after planting, and then the mulch is covered.

2. Fertilizer and water management.

In September every year, when the soil is deeply turned, sufficient basal fertilizer is applied, mainly farmhouse fertilizer, and an appropriate amount of chemical fertilizer is mixed. Fertilize young trees about 20kg, and large trees fertilize about 40kg. Before the tree sprouts, about 130g of urea and an appropriate amount of compound fertilizer should be applied to each tree.

Then pay attention to spraying an appropriate amount of foliar fertilizer during the flowering period to promote fruit growth and improve fruit setting rate. After each harvest, attention should be paid to the application of appropriate nitrogen fertilizer to promote the recovery of the tree's growth. Then before the flower buds germinate, it should be watered once, and after entering the fruit expansion period and the new shoot growth period, it should also be properly watered, and it should be watered enough to release frozen water to promote the overwintering of papaya trees.

Drain water in time when there is too much water.

3. Shaping and pruning.

The shaping method of papaya tree is mainly based on the natural round head type, with a fixed stem of about 75 cm, and about 3 new shoots are selected to reserve the main branch, and the growth direction of the main branch cannot be the same. The distance between each main branch is kept at about 15 cm. Then do a good job of summer pruning, summer pruning is mainly to wipe buds, pull branches and top, improve the permeability of the canopy, and promote the growth of summer shoots.

Winter pruning is also carried out, which is mainly to expand the canopy. The main branch reserved for the first year is shortened, and about 35 cm is retained. Young trees should not be re-pruned, mainly to remove branches that are too dense and too long, cross and overlap.

4. Flower and fruit management.

When planting papaya trees, in order to increase the yield of papaya and ensure stable yield, it is necessary to pay attention to planting an appropriate amount of pollinator trees when establishing papaya orchards. The ratio of planting varieties to pollinated varieties is controlled at about 4:1.

Therefore, after that, we must do a good job in the management of flowers and fruits, and properly thin flowers and fruits during the flowering period, especially in the big year. The main objects of fruit thinning are undesirable fruits such as branch fruits and deformed fruits. The basal and middle fruits of the branch are retained.

The distance between the fruits is kept at 20 cm to improve the yield and quality of the fruits.

1. Seed treatment. First of all, you need to prepare excellent and full seeds, you need to wash the seeds with water, and you need to soak them for about two hours, and put the seeds in the sun to dry, so that you can use the seeds of papaya to sow seeds, which can promote the survival rate of seed sowing and better growth of seedlings.

2. Prepare potting soil. Papaya is not very high requirements for sowing soil, if you want to pot papaya, then you need to prepare a diameter of 10cm, a depth of 8cm, but also with humus soil, small stones, leaves and other mixed papaya planting substrate, can promote its seeds can quickly take root and germinate, is conducive to the growth of papaya.

3. Seed sowing. Every time the seeds of papaya are treated, and the soil suitable for growth is prepared, then how to plant papaya is as follows, you can directly sow the seeds of papaya into the soil, and bury the seeds with soil for 2cm, so that the seeds of papaya can germinate, otherwise it will be difficult for its seeds to germinate.

4. Management work. After the papaya seeds are sown into the soil every time, it needs to be watered in time to maintain the moisture of the soil, and it needs to be placed in the sun for maintenance, and the temperature needs to be maintained between 15 and 22, waiting for the papaya seeds to germinate, then it can be maintained by a frame, and it needs to be applied with nitrogen, phosphorus and potassium compound fertilizer in time.

Papaya tree. It is a very useful plant, but it needs special cultivation and maintenance to grow healthy and lush. Below I will go into detail about the planting and maintenance methods of papaya trees.

First, the planting method.

1.Site selection: Papaya trees prefer a warm, moist, and well-ventilated environment, so they choose a place facing the sun, far from the river, and high terrain for planting.

2.Soil: Papaya trees need fertile, well-drained soil, which can be filled with the right amount of organic fertilizer.

3.Seeds: Seeds can be removed from ripe papaya fruits and soaked in warm water until germination occurs.

4.Transplanting: Transplant the sprouted papaya seedlings into the prepared soil, taking care not to over-compact the soil so that the roots of the tree can grow smoothly.

Second, the maintenance method.

1.Irrigation: Papaya trees need enough water to grow healthy, especially during the dry season.

2.Fertilization: Papaya trees need sufficient nutrients to grow healthily, and an appropriate amount of organic fertilizer or compound fertilizer can be applied under the papaya tree.

3.Pruning: Papaya trees need to be pruned regularly to keep the tree shape and canopy neat. Pruning can be chosen in the fall, keeping 3-4 trunks and a moderate amount of shoots per year.

4.Pest control: Papaya trees are susceptible to some insect pests, such as aphids, whiteflies, etc., and can choose to use ecological pesticides for control.

5.Prevention and control of disease and land rolling: Papaya trees will also be affected by some diseases, such as anthracnose, root rot, etc., and can choose to use pesticides for prevention and control.

In short, the planting and maintenance of papaya trees need to pay attention to many factors, and only by comprehensively considering and carefully implementing various measures can we ensure the healthy growth and high yield of papaya trees.

Papaya planting technology and cultivation management are as follows:

1. Planting density: papaya can be planted in spring or autumn, and can be dried at 70 80cm on the ground after planting. It is suitable for dense planting, the row spacing of plants in mountainous and hilly thin land is generally 2 3 meters, the row spacing of alpine plants with good fertilizer and water is 3 4 meters, and the row spacing of plants is 5 5 meters when it is sold between grain and vegetables.

2. Water and fertilizer treatment: a small amount of basal fertilizer is applied in autumn in papaya orchards, and the amount of basal fertilizer applied in the field accounts for about 70% of the total amount of fertilizer applied throughout the year. Top dressing should be based on the development consequences of papaya trees and continue during the maximum fertilizer effective period.

Pre-flowering, post-flowering, and fruit expansion fertilizers should be applied to trees in full fruiting stage in real time, and the amount of fertilizer applied to young trees should be reduced.

3. Flower grandchildren talk about fruit management: from the first year to the second year of papaya, the flowers will be picked at any time. In the spring of the third year, strengthen the management, chase the pre-flowering fertilizer, fruit expansion fertilizer, and autumn fertilizer. The self-pollination and fruit setting rate are high, and the fruit setting rate is easy to be released, and the fruit setting rate can be improved by bees or artificial pollination during the flowering period.

Papaya pest control is as follows:

1) Disease: The plant is prone to disease in the young leaf stage, the important one is leaf blight, and the young leaves show polygonal freckles after the disease. The young leaves are scattered soon after contracting the disease.

Prevention and control methods: 1:1 before or early onset of disease

1500 Bordeaux liquid spraying control.

2) Insect pests: Insect pests occur frequently in the flowering and fruiting stages. Important beneficial insects are aphids.

Spray with 1:1:500 dimethoate emulsion; Heartworms, longhorn beetles, sprayed with pesticides such as rotenol.

At the same time, it is necessary to strengthen diligent introspection and immediately accept prevention and control methods once invented. There are wood-boring insects as a pest, if the invention of the tree body, the tree has wood-boring insects, you can spray them with tea dry water, or use a thin steel wire to hook out the borers.

When planting papaya seedlings, it is necessary to use humus soil with rich organic matter content and loose soil, and the plant needs to be pruned before planting to help the plant save nutrients, and at the same time, it is necessary to provide appropriate water and nutrients for the plant after planting, so as to improve the growth rate of the plant and make the plant grow more delicate and vigorous.

1. Select the soil

When planting papaya seedlings, you need to choose the right soil. Papaya seedlings are suitable for growing in soil with rich trace element content and loose soil, so it is necessary to use sandy loam soil with rich organic matter content and good drainage when planting papaya seedlings, and the soil needs to be loosened regularly after planting to make the plant grow better.

2. Treat seedlings

When planting papaya seedlings, it is also necessary to select suitable seedlings. Generally, papaya seedlings that grow healthily and have not suffered from pests and diseases can be selected for planting, and the plants need to be pruned before planting, and the roots of the plants that grow too densely and the branches and leaves that have poor growth or cannot grow normally can save nutrients for the plants.

3. Planting

When planting papaya seedlings, you need to water the soil with an appropriate amount of water, then plant the papaya seedlings in the soil, bury them with an appropriate amount of fine soil, and then you need to water the soil again to make the roots of the plant fully contact with the soil. At the same time, it is necessary to spray the plant with sterilizer regularly after planting, so that the plant can grow healthily.

4. Later maintenance

In the later maintenance of papaya seedlings, it is necessary to provide suitable light for the plants, so that the plants can carry out photosynthesis normally, grow more vigorously, and also need to provide appropriate nutrients for the plants, so that the plants can grow better, and when providing nutrients for the plants, it is necessary to pay attention to the fertilization method, it is best to add fertilizer to the soil, and wait for the soil to absorb and provide it to the plants.