Cutting Propagation Method of Hardwood
A hard branch cutting and tree building technology, which is applied in botany equipment and methods, horticulture, application, etc., can solve the problems of high cost of young branch cutting and low rooting rate of hard branch cutting, so as to achieve accelerated reproduction speed, low cost, The effect of easy seedling management
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Embodiment 1
[0018] 1. Collection of cuttings
[0019] (1) In mid-March, cut off the annual branches of the 1-3 year old, robust growth, and no pests and diseases.
[0020] (2) Select a branch with a diameter of about 1cm, cut it to a length of 12-15cm, and leave 2-3 buds, trim the lower end to an oblique cut surface, and trim the upper end to a flat cut surface, with the upper and lower incisions 1.0cm away from the buds.
[0021] (3) Bind every 30 pruned cuttings into a bundle to form a cutting bundle, wherein the biological lower end of the cuttings in the cutting bundle is strictly separated from the upper end, that is, the lower end of all cuttings is located at one end of the cutting bundle, and the upper end of all cuttings is located at one end of the cutting bundle. The other end of the bundle of cuttings.
[0022] 2. Treatment of cuttings with plant growth regulators
[0023] Soak the biological lower end of the cuttings in the growth regulator α-NAA solution, soak for 1 min, a...
Embodiment 2
[0032] Except that IBA is used as the growth regulator in the plant growth regulator treatment process, and the concentration of IBA is 1.0 g / L, the others are the same as in Example 1.
[0033] Root primordia appeared after 15 days of cutting, a large number of roots took place after 25 days, and the root system developed after 45 days. The number of rooted cuttings / total number of cuttings) was 88%, and the transplanting survival rate (number of surviving seedlings / total number of seedlings) was 93%.
Embodiment 3
[0035] Except that the combination of α-NAA and IBA is used as the growth regulator during the plant growth regulator treatment, and the solution concentration is α-NAA 0.5g / L+IBA 0.5g / L, the rest are the same as in Example 1.
[0036] Root primordia appeared after 15 days of cutting, a large number of roots took place after 25 days, and the root system developed after 45 days. The number of rooted cuttings / the total number of cuttings) was 92%, and the transplanting survival rate (number of surviving seedlings / total number of seedlings) was 96%.
[0037] In the present invention, cuttings are carried out in mid-March (10-20 days) and transplanted in mid-May. The seedlings have a long growth cycle and can be cultivated into larger seedlings in the same year, with high market value.
[0038] The cuttage management method of the present invention is simple, the production cost is low, and the requirements for cutting facilities are low. The cuttages in the small arched shed in t...
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