First, cuttings seedlings in spring and summer the most appropriate, cuttings should be selected to grow full of stem sections, about 15 cm long, after the wound is dry and then inserted into the sand bed, about 15 to 30 days can take root, root length to 3 to 4 cm can be transplanted seedbed. Second, grafted seedlings are selected to be free from pests and diseases, grow robustly, and have a full-filled “measuring feet†(a species of wild cactus) as rootstocks, grafted on sunny days, and crosscut dragon fruit plants with a knife into 3-4 cm stems. In the segment, until the wound is air-dried, use a horizontal knife to cut into a plane 10 cm above the stem of the rootstock. Insert the scion, align it with the layer, fix it firmly with a cotton thread, place it in the room and cultivate it at 28～30°C. 4 to 5 days of wound joint surface that is a large number of callus formation, scion color close to the rootstock, indicating that the two vascular bundle healing, grafting success, and then can be transplanted into the false seedbed to continue cultivation. Third, seedling management nursery bed should choose ventilation sunny, fertile soil, convenient drainage of irrigation plots, the whole fine for squatting, squatting with a ditch 90 cm, Mushi decomposed chicken manure or cow dung 1 500 to 2000 kg, mixed with chaff 1000 kg, stirring evenly, apply to the top soil layer below 10-30 cm below the surface during the site preparation; after that, apply 100-150 kg of calcium magnesium phosphate fertilizer in the mu and mix it thoroughly with a steamed bread to apply to the topsoil layer of 4 to 5 cm depth. , Then the seedlings were planted in rows at 3 cm spacing on the seedbed, drenched with water, and sprayed with 500 times carbendazim once. When the weather was clear, the topsoil was whitish and watered once (every 7 to 10 days), every 10 to 15 days. Mushi 5 to 7 kg of compound fertilizer, etc. grow a section full of stem stems, can be out of the garden. China Agricultural Network Editor
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