Red dragon fruit potted technical points
Red dragon fruit belongs to the cactus plant, but the edible history of the cactus flower, fruit and plant is almost the same as the history of human evolution. In the current world away from the environmental trend of pesticides, the edible cactus has become common in Europe, the United States, and Japan, and has become a major part of Southeast Asian countries. edible. Red dragon fruit can be made into fruit juice, boiled, etc. Flowers can be watched. Not only can it be cultivated in the ground or in protected greenhouses, it can also be potted on balconies and roofs.
I. Variety characteristics Red dragon fruit blooms from May to November each year, and can be continuously flowered. The mature fruit weighs more than 500 grams, and the large one reaches 1700 grams. The fruit looks like a red lion head, beautiful and eye-catching, and is also equipped with golden yellow. The scales symbolize good luck. The flesh is red and white, and the fruit is sweet but not greasy. It is light and fragrant, and is better than cantaloupe. It tastes excellent.
Red dragon fruit is a tropical plant that is resistant to high temperatures and does not tolerate low temperatures. It is not suitable for plants under 8°C. Generally, it can be planted in the south, and in winter when the temperature is low in the north, it must be kept indoors for the winter. Due to its strong adaptability, it does not require high soil quality, and it can only be grown without soil quality.
Second, the preparation of potted nutrient soil Red dragon fruit is a shallow root plant, in the cultivation process do not often change flower pots, available diameter 30 ~ 40cm plastic basin, or sediment basin, there must be a vent under the pelvic floor, can be ventilated, breathable . Before the planting, the pots were completely sterilized, and the plastic chemicals were removed to reduce the roots of red dragon fruit.
Red dragon fruit does not require high soil quality. In general, soil quality can be loose and airy, and drainage is good. Neutral or slightly acidic soil is acceptable, but alkaline soil is not favored. The family pots can be self-provisioned, and the other flowers and grass trimmed leaves, branches, manure soil, crude river sand, and compound fertilizer 2 are evenly mixed together, and put on standby after half a month. If it is an operator, it may require 150-180 kg of nutritious soil per acre, and the main nutrient-based soil material is 80% for pond mud, 18% for decomposed and dried alfalfa, and 2% for superphosphate. At the same time with 50% carbendazim 500 times wet. Hand pinch, if feel mud is not sticky hands can be spare.
Third, the pot method Potted red dragon fruit is best to use no disease pests and bags. Place a relatively large piece of mud in the hole under the pot, and then put a layer of soil in the bottom of the pot. The size of each piece of soil is 5~6cm. This will facilitate the ventilation of the root system after planting, and at the same time, it will be favorable for drainage. water. Then put the prepared nutrient soil into the pot. Do not overfill it. About 80% of the soil can be used to plant red dragon fruit in the pot. Gently press the taxi around the plant by hand and pour enough water to set the roots. If on the balcony, adjust the direction of the seedlings. Both sides of the seedling will face the south side (the red dragon fruit has triangular stalks of yin and yang, three edges. Of the two widest, most angled, slightly lighter sides, the opposite side is the sun side).
IV. Post-plant management Red dragon fruit is a drought-tolerant plant, rather dry and not wet, not dry or watered. Sprinkle once a week N fertilizer-based organic fertilizer, not too strong. Although the red dragon fruit is a Xiyang plant, it must be properly shaded during the hot summer months when the sun is too strong. Can be placed in a damp place, shading can also be used to cover. It has been found that the new lateral buds are immediately removed and only the top buds are retained and promote heightening. When the plant height grows to 60~70cm, make a metal frame beside the trunk (iron frame shape: above the circle with a round iron ring, welding an iron bar). Then pull the trunk on top of the iron ring, leaving other cuts of 20~30cm to promote the growth of the lateral buds to make them flat or droop naturally. When the collateral is more than 80cm, the stem tip should be cut off by about 3cm to reduce the nutrient consumption, promote flower bud differentiation, and early flowering results. If managed well, it can bloom in 7-8 months.
V. Flowering Management Red dragon fruit has a long flowering period, a large amount of flowers and a large flower, and has high requirements for nutrition. Fertilizers should be applied to make the tree vigorous and beneficial. In the half full moon before flowering, organic fertilizer of P and K fertilizer should be applied one time. It is best to dig a hole in the pot and put two or three rotten bean cakes and one or two phosphorus powders. Every 5 to 7 days to catch water and fertilizer. The red dragon fruit on the balcony and roof pot is limited by the small amount of potted soil and the supply of nutrients, so the side branches do not stay too long, and each branch can not exceed 3 flowers. In the end, two flowers are taken off and only one fruit is left. If there is sufficient nutrition, red dragon fruit can bloom 15 times a year, and its flowering time fades from darkness to early morning every other day. It can be harvested in the summer after 30 days since the flower was given and 40 days after the winter.
Potted red dragon fruit is best cultivated by artificial pollination because it is planted separately. In the evening when the flowers are in full bloom, use a new brush to spot the pollen from the stamen anther of one flower and shoot it on the stigma of the pistil of the other flower.
Sixth, after the fruit management and cold prevention After November of each year, the fruit is basically harvested. Therefore, we must strengthen post-harvest management and restore tree vigor to ensure next year's results. Use a spatula to dig about 10cm of deep-circle ditch around the basin, temporarily pile up the mound at the root, then apply organic fertilizer mixed with manure and chicken manure, and then restore the soil and pour enough water. If there is frost, move it indoors. If it is in the field management, straw can be used for cold insulation.
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