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Open-air cutting propagation method of vitex agnus

A technology for propagation of Vitex paniculata and cuttings, which is applied in the directions of vegetative propagation, botanical equipment and methods, horticulture, etc., can solve the problems of high propagation cost, low cutting survival rate, etc., and achieves improved survival rate, high cutting survival rate, and increased cutting Effect of selection range

Pending Publication Date: 2021-02-19
SHANGHAI SHANGFANG LANDSCAPE PLANT INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the cutting propagation mainly selects the twigs of the year as spikes in the rainy season to carry out shade cuttings in plug trays. However, this method has high propagation costs, strict management and protection requirements, low survival rate of cuttings, and can only be selected in the rainy season. cuttings

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] An open-air cutting propagation method of Vitex fringae, comprising the steps of:

[0024] (1) Spike production

[0025] On November 25th, select the old branches of Vitex fringae in the dormant period, cut off the tender part of the branches, and then cut two sections, use a sterilized knife to cut the upper part of the cut crosswise, and the lower part with a 45° oblique cut , the upper and lower incisions are 2 mm away from the bud point; each section of the cut bar contains two symmetrical bud points; the time to cut the ear bar is before 10:00 in the morning, in order to prevent a large amount of water from the ear bar from evaporating and losing;

[0026] (2) Cuttings in open field

[0027] Make ridges around the furrows, loosen and level the cutting beds, keep the humidity of the cutting beds at a moderate dry and wet state of 30% to 60%, cover the furrows and the surrounding ridges with a layer of plastic film, and then use the straight insertion method to inse...

Embodiment 2

[0031] An open-air cutting propagation method of Vitex fringae, comprising the steps of:

[0032] (1) Spike production

[0033] On December 20, select the old branches of Vitex fringae in the dormant period, cut off the tender part of the branches, and then cut two sections, use a sterilized knife to cut the upper part of the cut bar cross-cut, and the lower part to be cut at 60° , the upper and lower incisions are 3mm away from the bud point; each section of the cut bar contains two symmetrical bud points; the time to cut the ear bar is before 10:00 in the morning, in order to prevent a large amount of water from the ear bar from evaporating and losing;

[0034] (2) Cuttings in open field

[0035] Make ridges around the furrows, loosen and level the cutting beds, keep the humidity of the cutting beds at a moderate dry and wet state of 30% to 60%, cover the furrows and the surrounding ridges with a layer of plastic film, and then use the straight insertion method to insert th...

Embodiment 3

[0039] An open-air cutting propagation method of Vitex fringae, comprising the steps of:

[0040] (1) Spike production

[0041] On January 15th, select the old branches of Vitex fringae in the dormant period, cut off the tender part of the branches, and then cut two sections, use a sterilized knife to cut the upper part of the cut crosswise, and the lower part with a 50° oblique cut , the upper and lower incisions are 4mm away from the bud point; each section of the cut bar contains two symmetrical bud points; the time to cut the ear bar is before 10:00 in the morning, in order to prevent a large amount of water from the ear bar from evaporating and losing;

[0042] (2) Cuttings in open field

[0043] Make ridges around the furrows, loosen and level the cutting beds, keep the humidity of the cutting beds at a moderate dry and wet state of 30% to 60%, cover the furrows and the surrounding ridges with a layer of plastic film, and then use the straight insertion method to insert...

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Abstract

The invention discloses an open-air cutting propagation method of vitex agnus. The method comprises the following steps that current-year old branches of the vitex agnus in a dormant period are selected, tender branch parts are cut off, two sections of cutting woods containing bud points are cut to serve as as scions, the upper parts of the cutting woods are transversely cut, and the lower parts of the cutting woods are subjected to inclined cutting until the distance from a notch to the bud points is not more than 5mm; ridging is conducted on the periphery of a furrow, a cutting bed is loosened and leveled, the humidity of the cutting bed is kept at 30%-60%, a plastic film is flatly laid, then the scions are inserted into soil through a direct insertion method, the growth direction of buds is upward, and the planting space is 5-10 cm; and in the last ten-day period of May of the next year, the scions surviving after cutting are dug together with soil balls, and then earth planting orpotted plant transplanting is conducted. According to the method, cutting propagation of the vitex agnus in the dormant period in winter is achieved for the first time, a traditional vitex agnus cutting manner is broken through, the selection range of the scions is widened, the laying condition of a cutting planting bed is changed, the production cost is reduced, operation is easy and convenient,and the cutting survival rate reaches up to 95% or above.

Description

technical field [0001] The invention belongs to the technical field of plant cutting propagation, and in particular relates to an open-air cutting propagation method of Vitex fringae. Background technique [0002] Vitex agnus (scientific name: Vitex agnus-castus Linn.) is a plant of the genus Vitex Verbenaceae, an aromatic shrub with a flowering period from June to September. It is native to the Mediterranean region and is also cultivated in Jiangsu, Shanghai and other places in my country. Vitex agnus has beautiful flowers and is a rare seasonal flower in summer. Its large blue-purple inflorescences can greatly enhance the overall beauty in plant landscaping, and it is also widely used in landscaping. [0003] At present, Vitex spica is mainly propagated by sowing, cutting and tissue culture. Among them, the cutting propagation mainly selects the twigs of the current year as spikes in the rainy season to carry out shade cuttings in plug trays. However, this method has high...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G2/10A01G17/00A01G13/02
CPCA01G2/10A01G17/005A01G13/0275
Inventor 申瑞雪李秋静林丹闵睫卿霞周天宇
Owner SHANGHAI SHANGFANG LANDSCAPE PLANT INST
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