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Cuttage propagation method for loropetalum chinense var.rubrum

A technology of safflower and cutting propagation, which is applied in botany equipment and methods, chemicals for biological control, animal repellants, etc., can solve the problems of low survival rate and slow speed, and achieve high survival rate , simple technical operation and high reproductive efficiency

Inactive Publication Date: 2017-12-08
JIANGSU POLYTECHNIC COLLEGE OF AGRI & FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional cutting propagation method is used to expand the propagation of safflower loropetalum, the speed is relatively slow, and the survival rate is low. The conventional cutting propagation is carried out in spring, summer and autumn.

Method used

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  • Cuttage propagation method for loropetalum chinense var.rubrum

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The specific process of cutting propagation of safflower loropetalum is as follows:

[0025] 1. Management of the female parent of ear picking: Strong pruning of the ear picking nursery of Safflower safflower from February to March, keeping the height of the female parent at 50-60 cm, and performing stubble. After pruning, apply a compound fertilizer with a ratio of nitrogen, phosphorus and potassium of 10:15:20 at a distance of 40 to 50 cm from the root of the female parent as the base fertilizer to promote the germination of more and thicker spikes of the year. The amount of base fertilizer is 150 to 200 kg / hm 2 ;

[0026] 2. Cutting time: from mid-November to the end of March of the following year;

[0027] 3. Preparation of the slotting bed: spread 20cm thick clean river sand on the pre-built electric hotbed, the electric hotbed is 60-80cm wide, and the electric hotbed is set in a simple steel shed;

[0028] 4. Preparation of rooting agent: first dissolve 100-20...

Embodiment 2

[0035] A. Rooting agent screening experiment

[0036] Experimental method: preparation method of rooting agent: dissolve indole acetic acid or / and naphthalene acetic acid in 200 ml of ethanol with a volume concentration of 95%, add water to 1 kg and mix evenly.

[0037] The rooting agent is provided with 14 kinds of treatments, and the specific treatments are shown in Table 1. The hormone unit in each treatment is mg / kg, no synergist is added in the rooting agent, and other steps are the same as in Example 1. Under different rooting agents and concentrations, the rooting rate of cuttings was also different, as shown in Table 1.

[0038] Table 1 Effects of different rooting agents on the rooting rate of the cuttings of P. safflower

[0039] Processing number

IAA+NAA(mg / kg)

Rooting rate (%)

1

0+0

38.4

2

0+200

43.5

3

0+400

44.0

4

200+0

41.1

5

400+0

40.8

6

100+50

54.5

7

50+100

52...

Embodiment 3

[0055] Experimental method-preparation of rooting agent: dissolve 100mg of indoleacetic acid (IAA) and 200mg of naphthaleneacetic acid (NAA) in 200ml of ethanol with a volume concentration of 95%, add water to 1kg and mix evenly, then add vitamin B 1 2g and 1g of boric acid are mixed evenly for use. Dilute the base of the cuttings with 70% thiophanate-methyl wettable powder by 800-1500 times in a medium-speed dip for 1s-5s, then soak in the prepared rooting agent for 10-30 minutes, and insert the laid cuttings on the substrate. The cutting substrate was set to 9 treatments, see Table 4 for details. Other steps are with embodiment 1. Under different cutting substrate treatments, the rooting rate of cuttings is different, see Table 4:

[0056] Table 4 Effects of different cutting substrate treatments on the rooting rate of A. safflower cuttings

[0057] Processing number

Components of the cutting substrate

Volume ratio

Rooting rate (%)

1

Garden...

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Abstract

The invention discloses a cuttage propagation method for loropetalum chinense var.rubrum. The method comprises the steps of preparation of a bed for cuttings, wherein an electric heating hotbed is laid with river sand, the river sand is laid with a layer of culture substrates; cuttage, wherein cuttings of loropetalum chinense var.rubrum are sterilized, placed in a rooting agent to be soaked for a period of time, and then inserted into the laid cuttage substrates; management after the cuttage, wherein the temperature of the electric heating hotbed is controlled to be 22-28 DEG C, and the humidity of the substrates and air is 85-95%; transplanting, wherein transplanting is conducted a period of time after rooting. According to the method, branches of loropetalum chinense var.rubrum at the same year serve as the cuttings, cuttage is conducted on the electric heating hotbed in winter, and reasonable management is combined, so that the propagation speed and rooting rate of loropetalum chinense var.rubrum are greatly increased.

Description

technical field [0001] The invention relates to a propagation method of safflower loropetalum, in particular to a cutting propagation method of safflower loropetalum. Background technique [0002] Lorpetalum chinense var. rubrum is an evergreen shrub of the family Hamamelis Lorpetalum. Its leaves are oval or oval and dark red. It does not shed red leaves in winter. It is often bright red in four seasons, and the colder it is, the redder it is; spring and autumn Season purple flowers bloom once each, and the flowering period is long. Roropetalum safflower is used as a color block in greening projects, and it is bright red, which is particularly pleasing to the eye. It is a valuable ornamental tree species for beautifying parks, courtyards and roads. In the red color block, safflower loropetalum has incomparable advantages. In addition, the safflower has luxuriant branches and leaves, and the tree is in various shapes, so it is a good material for making stump bonsai. At th...

Claims

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Application Information

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IPC IPC(8): A01G17/00A01G9/10A01N59/14A01N43/38A01N37/10A01N43/78A01P21/00
CPCA01G17/005A01N37/10A01N43/38A01N43/78A01N59/14
Inventor 丁久玲郑凯鲍荣静刘南清梁慧敏
Owner JIANGSU POLYTECHNIC COLLEGE OF AGRI & FORESTRY
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