Potted dragon fruit for several years
If it is a potted plant with dragon fruit seeds, it will take about 4-5 years from sowing to fruiting, and some will blossom in the third year, but can not hold the fruit. The potted pitaya of cuttage seedlings has a short fruit hanging cycle and can bear fruit in the second year.
1. The propagation of pitaya seedlings by transplanting or cropping.
The cuttage of dragon fruit is the most suitable for raising seedlings in spring. The stem nodes with full growth are selected and cut into small segments with a length of 15 cm. After the wound is air-dried, it is inserted into the sand bed, which can take root in about 15-30 days. When the root grows to 3-4 cm, it is transplanted into the seedbed.
2. Pitaya seedlings and grafted seedlings
The rootstocks with no disease and insect pests, strong growth and full stem and flesh were selected as rootstocks and grafted in sunny days. Cut the stem of the dragon fruit with a knife, insert the scion, aim at the cambium, and fasten it with cotton thread. Under the condition of 28-30 degrees Celsius, a large number of wound tissue was formed on the wound joint surface in 4-5 days, and the color of the scion was close to that of the rootstock, indicating that the vascular bundles of the two were in accord with each other. Grafting is successful, and then can be moved into the pseudo-planting seedling bed to continue cultivation.
3. Management of pitaya seedlings at seedling stage
The nursery bed should select fields with ventilation and sunny, fertile soil and convenient drainage and irrigation, make a fine border, border ditch 90cm, apply rotten chicken manure or Niumei 1500 dry grams-2000 kg, mix 1000 kg of grain hull ash, and mix well. Apply to the topsoil layer 10-20 cm below the border surface during soil preparation: then apply 100kg-150kg calcium magnesium phosphate fertilizer, fully resist half with sodium head, and apply to the topsoil layer 4-5cm deep Then the seedlings were planted in the nursery bed according to the row spacing of 3 cm, watered thoroughly, and 500 times carbendazim was sprayed once. 5-7 kg compound fertilizer was applied every 10-15 days, and the full stem segments of the first stem could be grown out of the nursery.
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