Sophora davidii twig cutting propagation method

A technology for twig cuttings and white thorn flowers, applied in the field of plant reproduction, can solve problems such as affecting the reproductive cycle of thorn thorns, difficult rooting of thorn thorn cuttings, slow growth of thorn thorn flowers, etc., and achieves strong practicability and promotion value. , Improve the survival rate of cuttings and the effect of fast reproduction

Pending Publication Date: 2020-05-22
GUIZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] There are problems in this invention (CN201710964389.5): 1. The cuttings described in this invention are soaked in the rooting inducer for 6 hours, and the soaking time is too long, which affects the reproduction cycle of Nitraria japonica; 2. The cuttings described in this invention are placed in the rooting inducer Place the base of the cuttings in 800 times of liquid of carbendazim wettable powder and soak for 0.5h before, which will easily lead to the necrosis of the cuttings and reduce the rooting rate; The sand is composed of 2:1:1 by volume. Fine river sand is easy to cause the cuttings of white thorns to be difficult to root and grow slowly.
[0006] The problems existing in this invention (CN201410841544.0): 1. The cuttings described in this invention are first placed in 0.3% potassium p

Method used

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  • Sophora davidii twig cutting propagation method
  • Sophora davidii twig cutting propagation method
  • Sophora davidii twig cutting propagation method

Examples

Experimental program
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Embodiment 1

[0049] 2) Selection of substrate: select a substrate with sufficient nutrients and good air permeability and water retention capacity as the cutting seedbed, the seedbed is set to 2m×4m, the cutting substrate is composed of 75% peat soil and 25% vermiculite, and the mixed substrate is used 80% wettable carbendazim powder 900 times solution is sprayed and sterilized on the cutting substrate, and covered with plastic film for 3 days after pouring thoroughly;

[0050] 3) Acquisition of cuttings: Select the middle and upper part of 1-year-old branches with rich nutrition in vitro and short internode distance as cuttings, and cut the cuttings into cuttings with a length of 7 cm. , The upper and lower knife edges should be sharp and smooth. Remove the leaves below 3.5 cm from the base, and keep the leaves above 3.5 cm.

[0051] 4) Dispose of the lower end 3.5cm of the cuttings at a concentration of 100mg L -1 Soak in the exogenous hormone indole butyric acid for 2h.

[0052] 4) C...

Embodiment 2

[0056] 1) Selection of substrate: Select a substrate with sufficient nutrients and good air permeability and water retention capacity as the cutting seedbed. The seedbed is set to 2m×4m. 80% wettable carbendazim powder 900 times solution is sprayed and sterilized on the cutting substrate, and covered with plastic film for 3 days after pouring thoroughly;

[0057] 2) Acquisition of cuttings: Select the middle and upper part of 1-year-old branches with rich nutrition in vitro and short internode distance as cuttings, and cut the cuttings into cutting strips with a length of 7 cm. , The upper and lower knife edges should be sharp and smooth. Remove the leaves below 3.5 cm from the base, and keep the leaves above 3.5 cm.

[0058] 3) Dispose of the lower end 3.5cm of the cuttings at a concentration of 100mg·L -1 Soak in the exogenous hormone naphthalene acetic acid for 2h.

[0059] 4) Cutting: Drill the sterilized base soil with a wooden stick to a depth of 3.5 cm, then put the ...

Embodiment 3

[0063] 1) Selection of substrate: Select a substrate with sufficient nutrients and good air permeability and water retention capacity as the cutting seedbed. The seedbed is set to 2m×4m. 80% wettable carbendazim powder 900 times solution is sprayed and sterilized on the cutting substrate, and covered with plastic film for 3 days after pouring thoroughly;

[0064] 2) Acquisition of cuttings: Select the middle and upper part of 1-year-old branches with rich nutrition in vitro and short internode distance as cuttings, and cut the cuttings into cutting strips with a length of 7 cm. , the upper and lower knife edges should be sharp and smooth. Remove the leaves below 3.5 cm from the base, and keep the leaves above 3.5 cm.

[0065] 3) Dispose of the lower end 3.5cm of the cuttings at a concentration of 100mg·L -1 Soak 2h in the exogenous hormone rooting powder (containing 30%IAA and 20%NAA).

[0066] 4) Cutting: Drill the sterilized base soil with a wooden stick to a depth of 3.5...

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Abstract

The invention relates to a sophora davidii twig cutting propagation method. The sophora davidii twig cutting propagation method includes the specific steps that (1) a base materia is prepared; (2) cutting slips are obtained; (3) cutting strips in the step (2) are placed in indolebutyric acid (IBA), naphthalene acetic acid (NAA) and rooting powder (ABT1, containing 30% IAA and 20% NAA) for soakingseparately; (4) twig cutting is carried out; (5) post-cutting management is carried out; and (6) transplanting planting is carried out. The sophora davidii twig cutting propagation method is simple and easy to implement, the rapid cutting propagation of sophora davidii in a short period of time can be realized, the survival rate of cutting reaches 75.00%, and an effective method is provided for aspects such as ecological benefits of vegetation recovery and conservation of water and soil of sophora davidii and forage grass development.

Description

technical field [0001] The invention belongs to the technical field of plant propagation, and in particular relates to a cutting propagation method of twigs of Nitraria japonica. Background technique [0002] White thorn flower (Sophora davidii), also known as wolf tooth thorn and bitter thorn, belongs to the genus Sophora of the Fabaceae Papilionaceae. It is a perennial shrub with thorns. It is widely distributed in Northwest, North China, East China and Southwest China, and has wide ecological adaptability. , has outstanding drought resistance, barren resistance, fire resistance, trampling resistance and other characteristics. It has deep roots, strong tillering ability, and strong biological nitrogen fixation ability. Soil and pioneer tree species for afforestation. Its leaves and stems are tender and palatable, and its seeds and flowers are also rich in vitamins, mineral elements and amino acids. It has a long flowering period and rich honey powder. It is also a high-qu...

Claims

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Application Information

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IPC IPC(8): A01G2/10A01G17/00A01C21/00A01C1/00
CPCA01C1/00A01C21/005A01G17/005A01G2/10
Inventor 赵丽丽孙小富龙才黄莉娟赵鑫王雷挺陈可可
Owner GUIZHOU UNIV
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