Asexual propagation and seedling raising method of Schizandra chinensis
Striping propagation is one of the oldest propagation methods created by the working people in China. Its characteristic is that it uses some branches that are not separated from the mother plant to press into the ground to make the branches take root and reproduce new individuals. The excellent undefinedundefinedundefinedundefined point is that the seedlings have sufficient nutrients during the growing period, are easy to survive, grow strong and bear fruit early.
Striping propagation is mostly carried out after sprouting in spring and when the new shoot grows to about 10 cm. First of all, dig a trench 15cm to 20cm deep next to the mother plant that is ready to crimp, press the 1-year-old mature branches in the ditch with wood weight, first fill the soil of about 5cm, and then cultivate the soil and the ground when the new shoot is more than 20cm and the base is semi-Lignified, as shown in figure 3mur7. In autumn, the pressed branches are dug up and divided into seedlings with roots.
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The method of asexual propagation of Schisandra chinensis-hardwood cuttings with tender shoots
In the early and middle of May, the one-year-old branches of the mother tree were cut into cuttings of 8cm in length, leaving a new shoot 3cm in length in the upper part. The base of the cuttings undefinedundefinedundefinedundefined was soaked in 200mg / kg a-naphthylacetic acid for 24 hours or dipped in 2000 mg / kg a-naphthylacetic acid for 3 minutes. The formula and treatment method of the upper substrate is the same as that of semi-lignified greenwood cuttings, with a thickness of 5 cm to 7 cm and a thickness of about 10 cm in the lower layer.
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The method of asexual propagation of Schisandra chinensis-green branch split propagation rootstock
The culture of green branch split propagation rootstock refers to open field direct seeding. If the rootstock is not dug up before winter, it must be pruned before freezing. Leave 3-4 buds for each rootstock, cut off about 5 cm, and then pour enough frozen water to prevent freezing and draining. If the rootstock seedlings are to be planted in the second year, the seedlings can be dug out of cellar or ditch storage, which is more beneficial to the management of rootstock seedlings, and 3 or 4 buds need to be cut and dried in the second year. After thawing in the coming year, the rootstock seedlings overwintering in situ should be irrigated in time and topdressing with available nitrogen fertilizer to promote the growth of new shoots.
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