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Rhododendron lingbaoense cutting propagation method

A cutting propagation and azalea technology, which is applied in the cutting propagation field of Lingbao Rhododendron, can solve the problems of sparse distribution of Lingbao Rhododendron, unsuitable breeding technology for Lingbao Rhododendron, development and utilization restriction of biological and ornamental value, etc. Efficiency, seed saving, and short seedling period

Active Publication Date: 2020-02-11
HENAN AGRICULTURAL UNIVERSITY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Due to the rare distribution of Lingbao Rhododendron in nature and only in specific areas, the development and utilization of its biology and ornamental value are severely restricted, and the existing conventional rhododendron breeding technology is not suitable for Lingbao Rhododendron

Method used

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  • Rhododendron lingbaoense cutting propagation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] This example provides the cutting propagation method of Lingbao Rhododendron. The steps include:

[0036] S1: Pick Lingbao Rhododendron twigs and soak the Lingbao Rhododendron twigs with disinfectant;

[0037] S2: Pruning the Lingbao Rhododendron twigs processed in step S1;

[0038] S3: Use a rooting agent to soak the shoots of Lingbao Rhododendron after step S2 in a gradient concentration;

[0039] S4: Lingbao Rhododendron twigs processed by cutting step S3.

[0040] In step S1:

[0041] When picking the young shoots of Lingbao Rhododendron, choose sunny weather. Use high branch shears to pick the shoots of the sunny shoots between 9 am and 11 am. The length of the branches is 30-50 cm. The purpose of soaking Lingbao Rhododendron twigs with disinfectant is to prevent the cuts from being infected by pathogens, causing black stems and other diseases to fail to root. The disinfectant is a potassium permanganate solution with a volume fraction of 3 to 5%. The immersion treatment t...

Embodiment 2

[0051] In this example, cutting and propagation of 30 shoots of Lingbao Rhododendron are carried out, and the steps include:

[0052] S1: Pick Lingbao Rhododendron twigs and soak the Lingbao Rhododendron twigs with disinfectant;

[0053] S2: Pruning the Lingbao Rhododendron twigs processed in step S1;

[0054] S3: Use a rooting agent to soak the shoots of Lingbao Rhododendron after step S2 in a gradient concentration;

[0055] S4: Lingbao Rhododendron twigs processed by cutting step S3.

[0056] In step S1:

[0057] When picking the young shoots of Lingbao Rhododendron, choose sunny weather. Use high branch shears to pick the shoots of the sunny shoots between 9 am and 11 am. The length of the branches is 30-50 cm. The purpose of soaking Lingbao Rhododendron twigs with disinfectant is to prevent the cuts from being infected by pathogens, causing black stems and other diseases to fail to root. The disinfectant is a potassium permanganate solution with a volume fraction of 4%. The immer...

Embodiment 3

[0065] In this example, 30 branches of Lingbao Rhododendron were cut and propagated. The basic steps are the same as in Example 2, except that in step S3:

[0066] When using a rooting agent to soak the shoots of Lingbao Rhododendron after step S2 in gradient concentration, first soak it with a high-concentration rooting agent for a short time, then use a medium-concentration rooting agent for a long time, and finally use a low-concentration rooting agent for a long time Soaking the shoots of Lingbao Rhododendron can effectively stimulate the rooting of the shoots and increase the living rate. The rooting agent is IBA. The temperature of gradient concentration immersion treatment is 25°C. The gradient concentration immersion treatment includes the first concentration immersion treatment, the second concentration immersion treatment and the third concentration immersion treatment in sequence. The rooting agent concentration of the first concentration immersion treatment is 2.5g / L...

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Abstract

An embodiment of the invention provides a rhododendron lingbaoense cutting propagation method. The cutting propagation method has advantages of seed saving, simplicity and convenience in operation step, short seedling cultivation period, large quantity of cultivated seedlings in unit area, short seedling rejuvenation period after planting, high survival rate and improvement of propagation efficiency. Rhododendron lingbaoense seedlings subjected to cutting propagation according to the method in the embodiment are high in rooting quantity, root systems grow around cuts while explosive adventitious roots grow out of skins of twigs, and potting cuttage and arch thin-film greenhouse cuttage can be selected according to conditions. Therefore, the rhododendron lingbaoense cutting propagation method is easy to popularize and apply.

Description

Technical field [0001] The invention belongs to the technical field of plant artificial breeding, and specifically relates to a cutting propagation method of Lingbao Rhododendron. Background technique [0002] Rhododendrons are mostly shrubs. Rhododendron arborescens is very rare. Rhododendron lingbao belongs to arbor. It is a variant of rhododendron and is rare in nature. The difference between Lingbao Rhododendron and the common Henan Rhododendron is that the leaves of this variety are thin leathery, with an oval or obovate shape, 5-9 cm long and 2.5-4.5 cm wide, with small flowers and a corolla length of only 2.5. Cm, no dark spots, etc., the flowering period is from mid-May to mid-June. [0003] The Lingbao cuckoo grows tall and straight, and some can reach up to 20 to 30 meters, with intertwined roots and vigorous branches. The longest existing Lingbao Rhododendron has been around for more than 1,300 years. It has a bust of about 1.45 meters, a height of 8 meters, a crown wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G2/10A01G9/029
CPCA01G2/10A01G9/0299
Inventor 彭万喜董帅伟张党权郑东方赵勇毕会涛姚冠忠李项群张亚芳赵毅
Owner HENAN AGRICULTURAL UNIVERSITY
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