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Rhizome cutting propagating method for Calycanthus floridus

A cutting propagation and rhizome technology, which is applied in gardening methods, fertilization methods, botanical equipment and methods, etc., can solve the problems of low reproduction coefficient of branch propagation, difficulty in survival of hard branch cuttings, difficulty in obtaining propagation seeds, etc., and achieves Accelerate the application of gardens, expand the scale of reproduction and production, and reduce the cost

Inactive Publication Date: 2017-09-15
ZHEJIANG FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention proposes a simple, low-cost, high-survival rate, high-efficiency and rapid cutting propagation method for American wintersweet rhizomes, which solves the difficulty in obtaining seeds for sowing and propagating American wintersweet in the prior art, and the difficulty in surviving hard branch cuttings. The problem of low reproductive coefficient in conventional ramet propagation

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A kind of American wintersweet rhizome cutting propagation method that the present invention proposes comprises the following steps:

[0025] S1: In 2014, select the American wintersweet female parent that grows robustly and is free of diseases and insect pests, and in mid-February, ditch at a distance of 20-30 cm from the main trunk and apply 45% NPK at a mass ratio of 2:1: 15- 15-15 and calcium magnesium phosphate fertilizer, fertilization amount of 20 g per clump, backfill the surface soil after fertilization, and finally water the fertilization ditch thoroughly, and water the outside of the fertilization ditch with gibberellin at a concentration of 30 mg / L in mid-to-late June , irrigate 200 ml per clump, and spray potassium dihydrogen phosphate with a concentration of 80 mg / L on the leaves of the female parent every 20 days during the growing season to cultivate strong plants and rhizomes, and dig out rhizomes before germination in 2015 for for cuttings;

[0026] S...

Embodiment 2

[0031] A kind of American wintersweet rhizome cutting propagation method that the present invention proposes comprises the following steps:

[0032] S1: In 2015, select the American wintersweet female parent that grows robustly and is free from diseases and insect pests. In the first ten days of March, ditch at a distance of 20-30 cm from the main trunk and apply 45% NPK at a mass ratio of 2:1: 15- 15-15 and calcium magnesium phosphate fertilizer, fertilization amount of 30 g per clump, backfill the surface soil after fertilization, and finally pour water on the fertilization ditch, and pour gibberellin with a concentration of 50 mg / L on the outside of the fertilization ditch in mid-to-late June , irrigate 300 ml per clump, and spray potassium dihydrogen phosphate with a concentration of 100 mg / L on the leaves of the female parent every 20 days during the growing season to cultivate strong plants and rhizomes, and dig out rhizomes before germination in 2016 for for cuttings; ...

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Abstract

The invention belongs to the technical field of asexual propagation of seedlings and particularly relates to a rhizome cutting propagating method for Calycanthus floridus. The method comprises the following steps: S1: maternal plant selection and cultivation; S2: cutting substrate treatment; S3: cutting scissoring and soaking; S4: seedling-bed cutting cuttage; and S5: after-cuttage management. The rhizome cutting propagating method for the Calycanthus floridus, provided by the invention, is simple and convenient in operation, low in cost and high in survival rate and is efficient and rapid, and the problems that the existing sowing propagation is difficult in seed obtaining, mature wood cutting is difficult in survival and the conventional plant-division propagation is small in propagation coefficient are solved.

Description

technical field [0001] The invention relates to a cutting propagation method of plants, in particular to a cutting propagation method of American wintersweet rhizomes, and belongs to the technical field of seedling vegetative propagation. Background technique [0002] American wintersweet Calycanthus floridus Linn. Calycanthus Linn., native to the southeastern United States. Deciduous shrub, 1-4 m high; young branches and leaves densely pubescent on both sides; the whole plant has aroma when crushed; leaves opposite, elliptic, broadly wedge-shaped, oblong or oval, leaf surface Rough, leaf back pale green; flowers brownish purple to reddish brown, born on the top of short branches, 4-7 cm in diameter, fragrant, with 15-30 tepals, very ornamental value, is an excellent garden ornamental plant. [0003] American wintersweet seedlings can be raised by sowing, division and other methods. Among them, it is difficult to sow and reproduce seeds. In the Americas, about 50% of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/00A01G1/00A01G7/06A01G9/10A01C21/00A01N43/40A01N37/10A01P21/00
CPCA01G17/005A01C21/005A01G7/06A01N37/10A01N43/40A01N2300/00
Inventor 夏国华刘军杭建卫陈小芳徐步青喻华
Owner ZHEJIANG FORESTRY UNIVERSITY
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