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Breeding and seedling culture method for Sims Azalea

A rhododendron and seedbed preparation technology, applied in the field of plant seedling breeding, can solve the problems of not being suitable for rapid breeding of fine varieties, high cost of tissue culture propagation, slow growth, etc., to accelerate the formation of callus and the production of adventitious roots, improve the resistance Disease ability, promote cell growth effect

Inactive Publication Date: 2018-11-13
金华市泽雨园艺技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the germination rate of rhododendron seeds is high, the seedling rate is low. In addition, the growth of seedlings is extremely slow. From sowing to flowering, it takes at least 3~4 years, and at most it takes more than 8 years. The growth is slow, and some wild species (such as Rhododendron yodogawa) Can't set seeds
There are not many grafting and reproduction, and the cost of tissue culture reproduction is high and it is not suitable for rapid breeding of fine varieties
These have all had a strong impact on the popularization and application of rhododendrons

Method used

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  • Breeding and seedling culture method for Sims Azalea
  • Breeding and seedling culture method for Sims Azalea

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] The method of breeding and raising seedlings of Rhododendron includes seedbed preparation, selection of cuttings, root induction treatment, cutting, and post-management. The specific operation steps are:

[0017] 1) The seedbed preparation operation is as follows: take the nutrient bowl and place it in a ventilated and well-lit place, fill the nutrient bowl with a cutting substrate with a thickness of 20cm, and drench it with a potassium permanganate solution with a concentration of 0.5mM. Carry out cutting when being 55%, contain the (Z)-ring-phenylalanine of 0.013mM in the above-mentioned potassium permanganate solution, (2R,3R)-( The weight ratio of Z)-ring-phenylalanine and (2S,3S)-(Z)-ring-phenylalanine is 1:0.21, and the cutting substrate is made of plant ash, humus, river sand, pearl The plant ash accounts for 8% of the total volume of the cutting substrate, and the volume ratio of humus, river sand and perlite is 2:5:1. The seedbed is selected in a ventilated an...

Embodiment 2

[0024] The method of breeding and raising seedlings of Rhododendron includes seedbed preparation, selection of cuttings, root induction treatment, cutting, and post-management. The specific operation steps are:

[0025] 1) The seedbed preparation operation is as follows: take the nutrient bowl and place it in a ventilated and well-lit place, fill the nutrient bowl with a cutting substrate with a thickness of 30cm, and drench it with a potassium permanganate solution with a concentration of 1.2mM. Carry out cutting when being 65%, contain the (Z)-ring-phenylalanine of 0.019mM in the above-mentioned potassium permanganate solution, (2R,3R)-( The weight ratio of Z)-ring-phenylalanine and (2S,3S)-(Z)-ring-phenylalanine is 1:0.28, and the cutting substrate is made of plant ash, humus, river sand, pearl It is made of a mixture of rocks, plant ash accounts for 11% of the total volume of the cutting substrate, and the volume ratio of humus, river sand and perlite is 3:7:2;

[0026] 2...

Embodiment 3

[0032] The method of breeding and raising seedlings of Rhododendron includes seedbed preparation, selection of cuttings, root induction treatment, cuttings, and post-management. The specific operation steps are: Seedbed preparation operation is: take the nutrient bowl and place it in a ventilated and well-lit place, and put it in the nutrient bowl. The cutting substrate with a thickness of 35cm is drenched with a potassium permanganate solution with a concentration of 1.5mM, and the cutting is carried out when the water content of the cutting substrate is 75%. The above potassium permanganate solution contains 0.024mM (Z)-ring- Phenylalanine, (2R,3R)-(Z)-cyclo-phenylalanine and (2S,3S)-(Z)-cyclo-phenylalanine in (Z)-cyclo-phenylalanine The weight ratio of aminoalanine is 1: 0.33, and the cutting substrate is mixed by plant ash, humus, river sand and perlite, plant ash accounts for 16% of the total volume of the cutting substrate, humus, river sand and perlite The sequential vo...

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Abstract

The invention discloses a breeding and seedling culture method for Sims Azalea, and belongs to the technical field of plant seedling culture and breeding. The method comprises the specific steps thata cutting substrate is put in a nutrition pot, and the nutrition pot is thoroughly drenched with a potassium permanganate solution; cutting and selection are conducted in early morning, and healthy and strong branches, which have axillary buds but no diseases or pests, on the periphery of a tree crown are collected; the branches with the length of 8-12 centimeters starting from the tops of stem shoots are selected, the cuttings are bundled into one bundle, and the lower end of the bundle is put into a root culture solution for soaking; straight cutting is conducted, after cutting, the part, around the cuttings, of the substrate is compressed, and the substrate is thoroughly irrigated; drop-arch covering is conducted with a thin film to form a tunnel; a cutting environment keeps suitable relative humidity and temperature, and chlorothalonil is periodically sprayed to the cuttings. The cutting environment is excellent, callus formation can be promoted, the surviving rate of the cuttingsis high, the rooting and germinating rate is high, and the disease-resistant ability of the cuttings can be improved.

Description

technical field [0001] The invention belongs to the technical field of plant seedling breeding and reproduction, and in particular relates to a method for breeding and raising seedlings of rhododendrons. Background technique [0002] China is the origin and distribution center of Rhododendron in the world, and has abundant natural resources. Rhododendron staghorn belongs to Rhododendron genus Rhododendron genus. It has strong ecological adaptability and is widely distributed in the middle and high mountains south of the Yangtze River in my country. This species has many branches, resistance to pruning, good plant type, large corolla, long flowering period, large leaves, and evergreen in all seasons. It is an ornamental plant with good collection of flowers, leaves and plant shape. It has broad industrial development and Garden application prospects. [0003] Rhododendron is an evergreen or deciduous shrub belonging to Rhododendronaceae. It is one of the ten traditional fam...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G2/10A01G17/00A01G7/06A01G24/10A01G24/20A01G24/12A01G24/15
CPCA01G2/10A01G7/06A01G17/005A01G24/10A01G24/12A01G24/15A01G24/20
Inventor 王淼
Owner 金华市泽雨园艺技术有限公司
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