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Cutting propagation method of rhododendron rivulare

A technique of cutting propagation and Rhododendron, which is applied in the field of cutting propagation of Rhododendron by the stream, can solve the problems of low germination rate, heavy grafting and propagation workload, and low survival rate, so as to increase the rooting rate and rooting quality, and promote the rapid rooting of cuttings , easy operation effect

Active Publication Date: 2015-03-04
湖南省森林植物园
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, wild rhododendron is mainly propagated by seeds, but there are problems of low germination rate and slow growth of seedlings
Other propagation methods such as grafting and propagation have a large workload, low survival rate, high technical level requirements, high cost of tissue culture propagation, and low survival rate of hardened seedlings

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Test material: Rhododendron by the stream.

[0027] (1) Site preparation: choose an open, flat, well-lit, well-ventilated, and well-drained field as a bed, remove weeds and stones, make the bed 1.2 to 1.5 m wide, apply 3.5 kg of fertilizer per mu, and apply ferrous sulfate. flat; then spread the humus soil and compact it to a thickness of 2cm; then spread a layer of sieved fresh loess with a particle size of 0.2-0.3mm and a thickness of 2-3cm; use carbendazim [N-(2 -Benzoimidazolyl)-methyl carbamate] 500 times of aqueous solution is carried out disinfection and sterilization treatment to seedbed;

[0028] (2) Selection and cutting of cuttings:

[0029] Select a 3-year-old strong Rhododendron plant on the riverside without diseases and insect pests as the mother plant of the cuttings. In July, cut the semi-lignified new branches of the year from the mother plant as the cutting material, and cut the cutting material into 8 Cuttings of ~10cm, use a sharp blade to flatten...

Embodiment 2

[0046] Test material: Rhododendron by the stream.

[0047] (1) Site preparation: choose an open, flat, well-lit, well-ventilated, and well-drained field as a bed, remove weeds and stones, make the bed 1.2 to 1.5 m wide, apply 3.5 kg of fertilizer per mu, and apply ferrous sulfate. flat; then spread the humus soil and compact it to a thickness of 2cm; then spread a layer of sieved fresh loess with a particle size of 0.2-0.3mm and a thickness of 2-3cm; use carbendazim [N-(2 -Benzoimidazolyl)-methyl carbamate] 500 times of aqueous solution is carried out disinfection and sterilization treatment to seedbed;

[0048] (2) Selection and cutting of cuttings:

[0049] Select a 4-year or 5-year-old robust Rhododendron plant on the riverside without diseases and insect pests as the mother plant of the cuttings. In August, cut the semi-lignified new branches of the year from the mother plant as the cutting material. Cut into cuttings of 9 cm, flatten the top of the cuttings at a distanc...

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Abstract

The embodiment of the invention discloses a cutting propagation method of rhododendron rivulare. The method comprises the following steps: performing site preparation; selecting and scissoring cuttings; treating the cuttings; performing cuttage and cuttage post-management. Specifically, the method comprises the following steps: selecting 3-5-year-old rhododendron rivulare as a mother plant, scissoring annual half-lignified branches as cutting materials, cutting the cutting materials into cuttings of 8-10 cm, keeping 3-4 knots for each cutting, and remaining 3-4 complete leaves at the top of the cutting; cutting a part of the top of the cutting, 0.5 cm away from a bud to be flat by a sharp edge, and cutting away a section with the length of 0.5 cm at a part of the base of the cutting, 2 cm away from the bud under the condition that the included angle between the sharp edge and the cutting is 45 degrees, wherein a cutting hole is horse-ear-shaped; cutting off 2 / 3 of each of the 3-4 complete leaves remained at the top of the cutting. According to the method, the difficult problems of difficult rooting and low cutting propagation rate of the rhododendron rivulare are effectively solved, the rooting rate can reach more than 82%, and the cutting rooting time is only 70 days; the method is an effective method for quickly propagating the rhododendron rivulare.

Description

technical field [0001] The invention relates to a plant cultivation method, in particular to a cutting propagation method of rhododendron by streams. Background technique [0002] Rhododendron rivulare Hand.-Mazz. is a plant of the genus Rhododendron rivulare Hand.-Mazz., with papery leaves, dark green above and light yellowish brown below, with concave veins above and protruding below, conical-ovate flower buds, and terminal umbels , with as many as 10 or more flowers; pedicel densely covered with short glandular hairs and flat long strigillose; calyx lobes narrowly triangular, covered with light yellow-brown short glandular hairs and long strigose; corolla funnel-shaped, purple-red, narrow Cylindrical, with puberulent filaments at the base, purple anthers, densely covered with reddish-brown bristles; capsule long ovoid, flowering from April to June, fruiting from July to November. Rhododendron by the stream has strong adaptability, likes a cool and humid climate, requires...

Claims

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Application Information

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IPC IPC(8): A01G1/00
CPCA01G22/00
Inventor 廖菊阳刘艳朱颖芳黄滔彭春良唐红魏勇肖绿田
Owner 湖南省森林植物园
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