Which pomelo seedling variety is the best? What are the seedling propagation methods?
Most fruit growers who want to plant pomelo first go out to buy high-quality pomelo seedlings, so which pomelo seedling varieties are better? What are the seedling propagation methods for pomelo seedlings? Below, the editor of Nongxun Net will learn together with everyone.
1. Which variety of pomelo seedling is the best?
1. Majia pomelo
First, it has a high monosaccharide content and low sucrose content, so although its sugar content is low, the fruit has a delicate fragrance. It is low in sugar and low in acid, with soluble solids around 10 and titratable acid around 0.9. Second, it is juicy and full of water, with a juice yield as high as 52.7%, even higher than varieties used for juice processing. Third, it is rich in nutrients. The flesh is red and rich in lycopene at 23.5 micrograms/gFW; it is rich in 17 different amino acids and trace elements such as iron, copper and zinc.
2. Shatian pomelo
The leaves are rather thick, dark green in color, broadly ovate or elliptical. The fruit is pear-shaped or gourd-shaped, with a slightly flat top, obvious rings and radial grooves, and a narrow and elongated neck-like stem end. The flesh is crisp, with a strong sweet taste, but relatively little juice, and seeds are quite numerous. The fruiting period is after late October, and it belongs to the mid-season varieties.
3. Red heart honey pomelo
Red heart honey pomelo, also known as red flesh honey pomelo, red heart pomelo, red flesh pomelo, blood pomelo. A single fruit weighs 1200 g to 2350 g, with an average of 1680 g; the skin color is yellow-green; the fruit shoulder is round and pointed, tilted to one side; the fruit top is broadly flat, slightly concave, and the ring-shaped round mark is not obvious or complete enough.
2. Propagation methods for pomelo seedlings
1. Preparation of planting holes
With the pomelo planting point as the center, dig large holes 1 m in length, width and height toward the surroundings, and let them weather for several months before backfilling with green material. When backfilling, mix about the appropriate amount of decomposed human and livestock manure or composted weeds, green manure and other organic fertilizer into the 20-40 cm soil layer. Generally, if about 5 or 6 kg of decomposed manure and 1.5 kg of superphosphate are applied per plant in the planting pit, then topsoil is filled in above it. After backfilling, shape the planting hole into a mound with a diameter of about 1 m and 20 cm above the ground, then dig a planting hole with a diameter of about 30 cm and a depth of 30 cm (depending on the size of the seedling root system) at the planting point in the center of the mound for planting the pomelo seedling. The root system of the planted pomelo seedling must avoid contact with the base fertilizer to prevent root rot, and the roots of the planted seedling must absolutely not directly contact high-concentration base fertilizer.
2. Preparation of pomelo seedlings
Before planting, first give the bare-root pomelo seedlings appropriate pruning treatment, heavily short-cut all new shoots, then appropriately cut off the remaining leaves to reduce water evaporation; the root system should also be appropriately pruned, cutting overly long roots short, trimming the wounds of damaged roots flat, cutting off rotten roots, and also short-cutting the main root.
3. Pomelo planting method
When planting, place the pruned pomelo seedling in the center of the planting hole, hold the seedling upright in a vertical position, fill half of the fine topsoil around the root system, then gently shake the seedling up and down so that the soil enters the gaps between the roots and fits more closely with the root system. At this time, the height of the seedling can also be adjusted again so that the root crown is exposed above the soil surface, then cover with soil again, fill the planting hole, then gently shake the seedling a few times, bank the soil up to the root crown, and use your feet to press the soil firmly from all sides diagonally toward the plant. Absolutely do not press the soil vertically downward, so as to avoid damaging the root system. Then water with rooting water so that the soil and pomelo roots fully contact.
After planting, within a radius of about 50 cm around the pomelo seedling, use crumbled soil to build a round soil basin about 3 cm higher than the soil surface and with a rim of about 5-6 cm, so as to facilitate watering and applying liquid fertilizer. Keep the soil moist, water irregularly during dry weather, and after about 1 month pull aside the surface soil, or once new roots have sprouted, apply urea or human urine gradually from dilute to concentrated to promote further growth of new roots.
4. Fertilization
Fertilization is an important step in fruit tree planting. Generally, when spring comes and flowers bloom, the young tree will begin to sprout, and at this time topdressing must not be too much; it is enough to fertilize frequently. For young seedlings within one year, generally fertilize twice a month. After the fruit tree grows larger, the fertilizer needed will increase more and more, and at this time treated manure fertilizer or organic fertilizer can be appropriately applied.
5. Later management
Usually, after planting, the young seedling can bear fruit by the third year of growth. At this time, autumn management focuses mainly on fertilization, and the base fertilizer must be applied sufficiently, so that the pomelo tree can bloom and bear fruit better the following year.
In summary, this is the introduction to pomelo seedling varieties and the key points of seedling raising and care. If everyone wants to transplant pomelo seedlings, this knowledge must certainly be understood clearly in advance.
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