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Method for cuttage propagation of rhododendron lapponicum

A cutting propagation and rhododendron technology, which is applied in the field of cutting propagation of alpine rhododendron, can solve the problems of difficult rooting and low rooting rate of alpine rhododendron cuttings, achieve simple and easy operation methods, short production cycle, increase rooting rate and rooting quality Effect

Inactive Publication Date: 2013-03-27
YUNNAN YUNKE FLOWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to overcome the defects that the cuttages of rhododendron alpine are not easy to take root and the rooting rate is low by using the existing cutting propagation method. Breeding method

Method used

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  • Method for cuttage propagation of rhododendron lapponicum

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Test material: Alpine Rhododendron species Rhododendron 'Nova Zembla'.

[0035] (1) Seedbed preparation: build a seedbed with a width of 1m and a length of 15m on the selected breeding ground, build a shed on the seedbed, and cover the shed with plastic film ， Lay a cutting substrate with a thickness of 12-15cm on the seedbed. The cutting substrate is made by mixing peat and perlite at a volume ratio of 1:3. The water content is saturated, and then use 1000ppm sodium hypochlorite solution to disinfect the seedbed and the ground in the shed; install the automatic spray system used in the flower nursery in the shed;

[0036] (2) Selection of cuttings: select alpine Rhododendron varieties that are 3 years old and free from diseases and insect pests Rhododendron 'Nova Zembla' was used as the female parent. At 9 am on September 14, semi-lignified branches with a diameter of 0.5-0.8 cm in the current year were cut from the female parent material as cuttings. The stem se...

Embodiment 2

[0046] Except for the following differences, all the other steps are the same as in Example 1, and will not be repeated here:

[0047] (1) Matrix ratio: the volume ratio of peat and perlite is 1:4;

[0048] (2) Selection of cuttings: Choose a 5-year-old Alpine Rhododendron variety that is free from diseases and insect pests and grows healthily Rhododendron 'Furnlvall daughter' was used as the female parent material, and the female parent material was watered on the first day after the cutting material was cut, and 2 complete leaves were reserved at the top of the cutting, and the cutting had 3 nodes.

[0049] (3) Rooting treatment before cutting: Dip the base of the cuttings in rooting agent A for 20 seconds, then air dry naturally. The formula of rooting agent A used is 1.0% IBA+4% thiophanate-methyl.

[0050] (5) Management after cutting:

[0051] A. The soil mass moisture content of the matrix is ​​62-63%;

[0052] B. Light and temperature management: the temperature ...

Embodiment 3

[0057] Except for the following differences, all the other steps are the same as in Example 1, and will not be repeated here:

[0058] (1) Matrix ratio: the volume ratio of peat and perlite is 1:4;

[0059] (2) Selection of cuttings: Select a 4-year-old alpine rhododendron variety that is free from diseases and insect pests and grows healthily Rhododendron 'Furnlvall daughter' was used as the female parent material, and the female parent material was watered on the first day after the cutting material was cut, and 2 complete leaves were reserved at the top of the cutting, and the cutting had 3 nodes.

[0060] (3) Rooting treatment before cutting: Dip the base of the cuttings in rooting agent A for 15 seconds, then air dry naturally. The formula of rooting agent A used is 0.9% IBA+3% thiophanate-methyl.

[0061] (5) Management after cutting:

[0062] A. The water content of the soil quality of the matrix is ​​60-61%. After the rooting begins at the 10th week, it enters the...

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Abstract

The invention relates to a method for cuttage propagation of rhododendron lapponicum, which includes: making a mixture of peat and pearlite into cuttage substrate according to a volute ratio of from 1:3 to 1:4, cutting a stem of a current year growing semi-lignified branch of a rhododendron lapponicum plant which is under no pest and disease damage and 3-5 years old as a cutting, and retaining two to three complete leaves at the top of the cutting; dipping the base of the cutting into rooting reagent A or B prior to inserting into the substrate; and performing intermittent spray for subsequent water management, maintaining mass water content of soil to be 60-65%, and maintaining air humidity to be more than 80% during a period from cuttage to rooting of a cutting seedling. The rooting reagent A includes IBA (indole-3-butyric acid) 0.8-1.0% and thiophanate-methyl 2-4%. The rooting reagent B includes IBA 0.015-0.02% and thiophanate-methyl 1-2%. By the method, rooting rate can reach more than 85%, rooting of the cutting only requires about 60 days, and production cycle is short.

Description

technical field [0001] The invention belongs to the technical field of plant cultivation, and in particular relates to a cutting propagation method of rhododendron alpine. Background technique [0002] Rhododendron is a world-recognized rare and precious ornamental flower, and it is also one of the top ten famous flowers in my country. Alpine Rhododendron is a species of Rhododendron in the family Rhododendronaceae ( Rhododendron) A large category of Rhododendron generally refers to the evergreen rhododendrons in the subgenus Scaleless Rhododendron, the subgenus Scale Rhododendron, and the subgenus Rhododendron japonica, as well as their hybrids. Alpine rhododendrons are mainly distributed in valley broad-leaved forests or hilltop shrubs and grasses at an altitude of 1400-4500m in central and western my country. It is a much-loved New Year's Eve flower, and it is also an excellent species for urban and rural greening and beautification, with broad development prospects. Ho...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/00
Inventor 蔡艳飞李世峰李树发解玮佳宋杰
Owner YUNNAN YUNKE FLOWER
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