CN112219577A

CN112219577A - Cutting propagation method of wire netting

Info

Publication number: CN112219577A
Application number: CN202011151573.6A
Authority: CN
Inventors: 向明剑; 谢松林; 沈香兰; 王小辉; 李洋; 何程相; 朱晓菲; 李飞鸿; 杨小霞
Original assignee: Sichuan Qicai Forestry Co ltd
Current assignee: Sichuan Lide Seedling Technology Co.,Ltd.
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-01-15
Anticipated expiration: 2040-10-26
Also published as: CN112219577B

Abstract

The invention belongs to the technical field of plant propagation, and discloses a cutting propagation method of an iron wire net, which comprises the following steps: collecting the wire mesh branches as cuttings, collecting the cuttings from different parts of the branches, spraying and moisturizing the cuttings after the cuttings are trimmed, uniformly spraying 800-fold carbendazim solution on the surfaces of the cuttings, and washing the cuttings with sterile water for 1 hour for later use; treating cutting slips with rooting hormone by using perlite and peat as mixed matrix, and performing cuttage; covering the 50-hole tray with a hole tray cover, placing the hole tray cover into a culture room, controlling the temperature to be 22-26 ℃, controlling the humidity RH in the hole tray cover to be 90-100%, controlling the illumination to be 1000-fold and 1500lx, spraying 500-fold carbendazim on the cutting slips every 10 days, enabling the cutting slips to start to root after 20 days, and clustering the mixed matrix by the root system of the wire netting after 50 days, and transplanting the cutting slips into a pot. According to the invention, the cutting propagation technology of the wire netting is explored by researching the aspects of wire netting cutting branch treatment, branch selection, hormone treatment and later management, so that basic conditions are provided for horticultural and commercial application of the wire netting.

Description

Cutting propagation method of wire netting

Technical Field

The invention belongs to the technical field of plant propagation, and particularly relates to a cutting propagation method of an iron wire net.

Background

Wire netting (Corokiaa. cunn.), highly branched shrubs of the genus Saurimum of the family Saurinaceae, 0.3-3m high, gray branches, staggered zigzag, nearly white tender branches. The blades are oval from inverted egg shape to inverted egg shape, and have a length of 2-3 cm and a width of 1-2 cm. Peanuts grow in the axilla of the leaves, or every 2 to 4 flowers, with bright yellow petals. The main flowering season is 12 months to 1 month. The plant is a local special plant in New Zealand, has novel and peculiar ornamental value, is mainly used for ornamental gray branches which are irregularly staggered in length and breadth, and has artistic interest.

Disclosure of Invention

The invention aims to provide a cutting propagation method of wire netting, which uses the middle section of a wire netting branch as a cutting shoot and is at 200mg/L IBA-K⁺Under the treatment condition that the incision is soaked by growth hormone for 1h, the rooting effect of the wire netting cutting propagation is the best.

In order to achieve the purpose, the invention adopts the following technical scheme:

a cutting propagation method of wire netting comprises the following steps:

a. collecting strong branches of the wire netting without diseases and insect pests as cuttings in 4-10 months every year, stopping watering 10 days before collection, and keeping the pot soil dry;

b. picking ears from different parts of branches, shearing lateral buds, lateral branches and leaves on the picked ears, reserving lateral buds, lateral branches and leaves on the upper parts, reserving 2-4 lateral buds, spraying and moisturizing the cut ears after pruning, uniformly spraying 800-fold carbendazim solution on the surfaces of the cut ears, and washing the cut ears by sterile water for standby after 1 hour;

c. perlite and peat are used as mixed substrates, and the volume ratio of the perlite to the peat is 3: 2 after mixing uniformly, spraying 800-fold 1000-time potassium permanganate solution on the surface of the mixed matrix, and then covering the mixed matrix with a film for one day for later use; one day before cuttage, the mixed substrate is placed into a plug tray soaked by 500-fold 800-time carbendazim solution for compaction, and the plug tray is thoroughly watered with clear water;

d. treating the cutting slips with rooting hormone, cutting, punching with 0.2-0.3 mm thin stick in a mixed matrix prepared one day in advance to a depth of 3cm, inserting the cutting slips into the punched holes, and compacting;

e. covering the 50-hole tray with a hole tray cover, placing the hole tray cover into a culture room, controlling the temperature to be 22-26 ℃, controlling the humidity RH in the hole tray cover to be 90-100%, controlling the illumination to be 1000-fold and 1500lx, spraying 500-fold carbendazim on the cutting slips every 10 days, enabling the cutting slips to start to root after 20 days, and clustering the mixed matrix by the root system of the wire netting after 50 days, and transplanting the cutting slips into a pot.

Further, different parts of the branches in the step b are tip sections, middle sections or basal sections of the branches.

Further, the rooting hormone is 100-400 mg/L IBA-K⁺。

Further, the rooting hormone is 200mg/L IBA-K⁺。

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the cutting propagation technology of the wire netting is explored by researching the aspects of wire netting cutting branch treatment, branch selection, hormone treatment and later management, so that basic conditions are provided for horticultural and commercial application of the wire netting. The invention uses the middle section of the wire netting branch as the cutting ear at 200mg/L IBA-K⁺Under the treatment condition that the incision is soaked by growth hormone for 1h, the rooting effect of the wire netting cutting propagation is best, and the rooting rate reaches 95.8%.

Drawings

FIG. 1 is a drawing of a real plant of a cutting in example 1.

FIG. 2 shows the clustered seedlings of example 1.

FIG. 3 is a graph showing the growth of the cutting seedlings in example 1.

FIG. 4 is a graph showing the growth of the cutting seedlings in example 6.

Detailed Description

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. Unless otherwise specified, the technical means used in the examples are conventional means well known to those skilled in the art. The test methods in the following examples are conventional methods unless otherwise specified.

Example 1

Collecting strong branches of the wire netting without diseases and insect pests as cuttings in 4-10 months every year, stopping watering 10 days before collection, and keeping the pot soil dry.

Picking ears from the middle section of branches, shearing lateral buds, lateral branches and leaves on the picking ears, reserving the lateral buds, the lateral branches and the leaves at the upper parts, reserving 2-4 lateral buds, spraying and moisturizing after cutting the ears, uniformly spraying 800-fold carbendazim solution on the surfaces of the cutting ears, and washing the cutting ears with sterile water for later use after 1 h.

Perlite and peat are used as mixed substrates, and the volume ratio of the perlite to the peat is 3: 2 after mixing uniformly, spraying 800-fold 1000-time potassium permanganate solution on the surface of the mixed matrix, and then covering the mixed matrix with a film for one day for later use; the mixed substrate is put into a plug tray soaked by 500-800 times carbendazim solution and compacted one day before cuttage, and the plug tray is thoroughly watered with clear water.

With 200mg/L of IBA-K⁺And (3) carrying out cuttage after treating the cutting slips by using rooting hormone, punching holes with the depth of 3cm in a mixed matrix prepared one day in advance by using a 0.2-0.3 mm thin stick during cuttage, and then inserting the cutting slips into the punched holes and compacting the holes conveniently.

Covering the 50-hole tray with a hole tray cover, placing the hole tray cover into a culture room, controlling the temperature to be 22-26 ℃, controlling the humidity RH in the hole tray cover to be 90-100%, controlling the illumination to be 1000-fold and 1500lx, spraying 500-fold carbendazim on the cutting slips every 10 days, enabling the cutting slips to start to root after 20 days, and clustering the mixed matrix by the root system of the wire netting after 50 days, and transplanting the cutting slips into a pot.

Examples 2 to 3

In order to obtain the optimal picking position, the tip section, the middle section or the base section of the branch is selected in the examples 2-3 for experimental design, other experimental steps are the same as those in the example 1, 20 cuttings are processed in each experiment and repeated for 3 times, and experimental results are shown in the table 1. The scion picking parts on the branches are different, and the rooting rate difference of the branches is larger. As can be seen from Table 1, the concentration of IBA-K was 200mg/L after selecting the middle section of the wire mesh branch and sterilizing⁺After the incision is soaked by the growth hormone for 1h, the rooting rate is the highest and is 95.8%, and meanwhile, the average root number of the middle section is the most and the average root length is the longest. The picture of the cutting entity of example 1 is shown in figure 1, and the picture of the cutting seedling with clustered root system is shown in figure 2.

TABLE 1 rooting percentage for different ear positions

Examples 4 to 7

In order to obtain the optimal concentration of growth hormone, rooting hormones with different concentrations are selected in examples 4-7 to carry out test design, other test steps are the same as those in example 1, 20 cuttings are processed in each test, the test steps are repeated for 3 times, and test data including rooting rate, average root number and average root length are counted after 50 days of cutting. The test results are shown in table 2. Examples 1 and 6 the live plots of the growth of the cuttings are shown in fig. 3 and 4.

TABLE 2 Effect of different growth hormone concentrations on rooting of wire netting cuttings

As can be seen from Table 2, 200mg/L IBA-K was used after selecting the middle branches of the wire netting as the cuttings and sterilizing⁺Soaking the incision with growth hormone for 1h, wherein the rooting rate is 95.8% at most, the average number of the roots is 8.7, and the average length of the roots is 6.26 cm; using 100mg/L IBA-K⁺Soaking the incision for 1h by using growth hormone, wherein the average number of the incision is 7.2 at most; using 300mg/L IBA-K⁺Soak the incision for 1hThe average root length is 4.68cm at the longest. In combination, 200mg/L IBA-K was used⁺The growth hormone is soaked in the cut for 1h, and the rooting effect of the wire netting cutting propagation is best.

The above-mentioned embodiments are merely preferred embodiments of the present invention, which are merely illustrative and not restrictive, and it should be understood that other embodiments may be easily made by those skilled in the art by replacing or changing the technical contents disclosed in the specification, and therefore, all changes and modifications that are made on the principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A cutting propagation method of an iron wire net is characterized by comprising the following steps:

2. The cutting propagation method for iron wire netting according to claim 1, wherein the different parts of the shoot in step b are a tip, a middle or a base of the shoot.

3. The cutting propagation method of iron wire netting according to claim 1, wherein the rooting hormone is 100-400 mg/L IBA-K⁺。

4. The cutting propagation method of iron wire netting as claimed in claim 1, wherein the rooting hormone is 200mg/L IBA-K⁺。