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Osmanthus tree cutting propagation method
Cut out to choose the appropriate time. The spring shoots of sweet-scented osmanthus ceased development at the end of April, and by the end of June it had become a sturdy branch that was not tender. This kind of strongest branch has the strongest vitality and it is easier to survive by cutting. The optimum temperature for the growth of osmanthus is 25°C-28°C and the growth is slower than 30°C. Therefore, the lower reaches of the Yangtze River will be better cut in the second half of June. The autumn can also be carried out, but the survival rate is low, and special attention must be paid to the cold growth of new seedlings. Cuttings are best done in open field. Sandy loam soil is not suitable for slime soil. It is necessary to carry out winter plowing ahead of time and to finely prepare the soil in spring. 20 centimeters high, turtle-shaped, covered grass protection, so as not to rain hard. It is best to place a large water tank in the middle of the raft. It is necessary to store water the day before watering so that the water temperature does not differ greatly from the soil temperature. The "cut method" is generally used. Cuttings, cuttings are cut off the new branches with a little old branches of the skin, like a beak. The cocoon is tightly organized and has more nutrients and is prone to new roots. The cuttings are about 10 cm long, leaving a pair of upper leaves at the top and all the leaves below. The leaves left by the pair cannot be damaged or trimmed. Insert the cuttings 6-8 cm into the soil and compact the surrounding soil with your fingers. Row spacing 123 cm. After plugging in, it must be carefully managed. It should be irrigated with water. It is best to lay a layer of crushed grass on the surface of the soil before watering so as to prevent the mud stain from being called the blade and prevent the soil from being hardened. Followed by reed shade, otherwise unfavorable to survive. Commonly used high and low double awnings, no direct sunlight, ventilation and ventilation. Watering should not be excessive to prevent rot. In hot and dry weather, spray water on the leaves, two or three times a day. Generally nodules are produced after 1 month of insertion. After 2 months, you can start the sun for 1 hour in the morning and then cover the curtain. Since then, the sun exposure has gradually lengthened. By October, it is not necessary to build a low shed so that seedlings will receive half-scattered light all day long from the high shade shed. At the end of November, the high shed was changed to a warm shed to prevent cold, and a thin layer of straw must also be placed on the seedlings. Sprinkle water once in winter when the soil is white, and it will be done at noon. After the second year of warm weather, sunny days still need to be shaded, and a proper amount of decomposed liquid fertilizer should be added in the water. At the end of the second year, the seedling height can reach 1 foot. The third year of spring transplanting.