Asexual propagation and seedling raising method of Schizandra chinensis
In the cultivation garden, Schisandra chinensis trees over 3 years old can produce a large number of transverse stems, which are distributed in the soil layer 5 to 15 cm below the surface. From May to July, the adventitious buds on the horizontal undefinedundefinedundefinedundefined stems germinate and produce a large number of roots and tillers. When the tender shoot is 10-15 cm high, dig out the transverse stem, cut off the "seedlings" with roots with scissors, and plant them in the prepared nursery according to the row spacing of 10 cm × 20 cm, as shown in figure 3. 6. If it is planted on a sunny day, the seedlings should be shaded moderately after covering the soil. 2-31 sprouting, 2 underground stems and 3 adventitious roots should be removed and put into normal management.
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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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Asexual Propagation of Schisandra chinensis-semi-lignified Greenwood Cuttage
The semi-lignified shoots of Schisandra chinensis varieties or superior lines were selected as test materials for cutting propagation in the first and middle of June. Generally speaking, it is suitable to collect cuttings before 10:00 in the morning. The length of cuttings is 15 to 20cm, and the thickness should be greater than 0.3cm. The leaves in the middle and upper parts should be retained, and the leaves at the base (scissors) 3cm and 5cm upward should be cut off. The lower cuttings fall on the semi-lignified nodes and the cuttings are inclined. Soak the cuttings in 0.1% carbendazim solution for 1 minute or 2 minutes, shake off the water droplets and then use 1000 mg / kg naphthylacetic acid (NAA) or 100mg / kg ABT.
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