CN111937609A - Bougainvillea spectabilis cultivation method - Google Patents
Bougainvillea spectabilis cultivation method Download PDFInfo
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Abstract
The invention relates to the technical field of bougainvillea spectabilis cultivation, and particularly relates to a bougainvillea spectabilis cultivation method. A cultivation method of bougainvillea spectabilis comprises the following steps: performing girdling treatment at a position 5-10 cm below a lateral branch of a stem section of a bougainvillea glabra plant, coating a rooting promoter at the girdling position, and performing high-pressure propagation; the rooting promoter comprises indolebutyric acid and indoleacetic acid; the substrate for high-pressure propagation comprises perlite, peat soil and vermiculite. The specific bougainvillea spectabilis high-pressure cultivation method is simple to operate, the bougainvillea spectabilis main roots are developed, the side roots are more, the rooting period is shortened, the survival rate is high, high-pressure seedlings are more robust, and later-period maintenance is easier.
Description
Technical Field
The invention relates to the technical field of bougainvillea spectabilis cultivation, and particularly relates to a bougainvillea spectabilis cultivation method.
Background
Bougainvillea spectabilis also known as leaf flower, Mirabilis, woody vine-like shrub of the genus foliacea, with bent spines in the stem and dense villi. Alternate single leaf, oval full margin, thick fluffy, blunt tip. The flower is very tiny, yellowish green, three flowers gather in three red bracts, the peripheral red bracts are large and beautiful, have bright red, orange yellow, purple red, milky white and the like, are mistakenly considered as petals, and are called leafy flowers because the shape of the petals is similar to leaves. The flowering period may be from 11 months up to 6 months of the second year. In winter and spring, the bracts of the very beautiful flowers show to give people a feeling of running and intense heat.
Bougainvillea spectabilis originally produced in south america and is transferred to european cultivation in the thirty decades of the nineteen century, bougainvillea spectabilis prefers warm and humid environments with sufficient sunlight and is not cold-resistant, and china can cultivate in open field for overwintering except in the south of China, and other areas need potted plants and greenhouse cultivation. The soil is most suitably sandy loam with good drainage.
Bougainvillea spectabilis has high ornamental value and is used as climbing flower cultivation for enclosing walls in south China. Every time in the new spring, the green leaves support the bright red piece, which looks like a peacock spreading its tail and is extremely bright and dazzling. The northern potted plants are placed at doorways, courtyards and hall entrances, and are very striking.
At present, in the aspect of bougainvillea spectabilis propagation, the bougainvillea spectabilis propagation is mainly carried out through cutting propagation, but the cutting propagation has limitations, the cutting propagation is mainly concentrated in 3-6 months in spring and 9-11 months in autumn, and the influence of natural conditions is large; in the aspect of bougainvillea spectabilis grafting technology, the bougainvillea spectabilis grafting technology is mature, but the grafting cost is high, and the bougainvillea spectabilis grafting technology is not suitable for large-scale production operation.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
The first purpose of the invention is to provide a bougainvillea spectabilis cultivation method, which is simple to operate, has more bougainvillea spectabilis roots, developed main roots and more lateral roots, shortens the rooting period, has high survival rate, enables high-pressure seedlings to be stronger, and is easier to maintain in later period.
In order to achieve the above purpose of the present invention, the following technical solutions are adopted:
a cultivation method of bougainvillea spectabilis comprises the following steps:
performing girdling treatment at a position 5-10 cm below a lateral branch of a stem section of a bougainvillea glabra plant, coating a rooting promoter at the girdling position, and performing high-pressure propagation;
the rooting promoter comprises indolebutyric acid and indoleacetic acid;
the substrate for high-pressure propagation comprises perlite, peat soil and vermiculite.
Preferably, in the rooting promoter, the concentration of the indolebutyric acid is 200-800 ppm, and the concentration of the indoleacetic acid is 100-800 ppm.
Preferably, in the rooting promoter, the concentration of the indolebutyric acid is 400-600 ppm, and the concentration of the indoleacetic acid is 200-300 ppm.
Preferably, the mass ratio of the perlite to the peat soil to the vermiculite is (0.9-1.2): (0.7-1) and (0.8-1.1).
Preferably, the mass ratio of the perlite to the peat soil to the vermiculite is 1:1: 1.
Preferably, the width of the girdling is 0.5-1.0 cm.
Preferably, the rooting promoter further comprises talcum powder;
preferably, the addition amount of the talcum powder is 5-15 g.
Preferably, the bougainvillea spectabilis plant is selected from a single plant which grows well, is robust and does not have plant diseases and insect pests.
Preferably, a plant rooting device is arranged for the high-pressure propagation, and the matrix for the high-pressure propagation is filled in the plant rooting device; the specification of the plant rooting device is as follows: the width is 85mm, the height is 95mm, and the aperture is 12 mm.
Preferably, the bougainvillea spectabilis branches at the girdling positions are rooted after 18-22 days, the bougainvillea spectabilis plants are maintained for 38-43 days, stem sections at the lower ends of the plant rooting devices are cut off, and rooting single plants with soil balls in the plant rooting devices are transplanted and cultured.
Compared with the prior art, the invention has the beneficial effects that:
in the process of high-pressure rooting of bougainvillea spectabilis, two hormones are used for mixing treatment, so that the rooting rate is improved, more roots are rooted, the main roots are developed, the side roots are more, the rooting period is shortened, and high-pressure seedlings are stronger. The use of the plant rooting device is more convenient, the time is saved, the operation is simple, the repeated use is realized, and the production cost is reduced; the specific rooting matrix is adopted to further improve the survival rate and reduce the production cost.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a plant rooting device used for high-pressure seedling raising of bougainvillea spectabilis.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to examples, but it will be understood by those skilled in the art that the following examples are only illustrative of the present invention and should not be construed as limiting the scope of the present invention. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products commercially available.
A cultivation method of bougainvillea spectabilis comprises the following steps:
performing girdling treatment at a position 5-10 cm below a lateral branch of a stem section of a bougainvillea glabra plant, coating a rooting promoter at the girdling position, and performing high-pressure propagation;
the rooting promoter comprises indolebutyric acid and indoleacetic acid;
the substrate for high-pressure propagation comprises perlite, peat soil and vermiculite.
At present, in the aspect of bougainvillea spectabilis propagation, the bougainvillea spectabilis propagation is mainly carried out through cutting propagation, but the cutting propagation has limitations, the cutting propagation is mainly concentrated in 3-6 months in spring and 9-11 months in autumn, and the influence of natural conditions is large; in the aspect of bougainvillea spectabilis grafting technology, the bougainvillea spectabilis grafting technology is mature, but the grafting cost is high, and the bougainvillea spectabilis grafting technology is not suitable for large-scale production operation; in the aspect of bougainvillea spectabilis high-pressure propagation, the current research reports are few, and the study can be used for the bougainvillea spectabilis high-pressure propagation all the year round, and is simple and easy to operate, high in survival rate and easy to maintain later. In the aspect of bonsai materials, better dry branches on boughs of bougainvillea spectabilis can be selected, and by directly using the technology, the bonsai materials can be obtained more quickly, the period for shaping the bonsai materials is shortened, the landscape is formed in one step, the production cost is reduced, and certain economic benefit is obtained.
In one embodiment, the girdling treatment is carried out 5-10 cm below the lateral branch of the stem segment of the bougainvillea spectabilis plant, and 5.5cm, 6cm, 6.5cm, 7cm, 7.5cm, 8cm, 8.5cm, 9cm or 9.5cm can be selected.
Preferably, in the rooting promoter, the concentration of the indolebutyric acid is 200-800 ppm, and the concentration of the indoleacetic acid is 100-800 ppm.
Indolebutyric acid can induce the formation of a root protomer, promote cell differentiation and division, facilitate the generation of new roots and the differentiation of vascular bundle systems, and promote the formation of adventitious roots of cuttings. The natural auxin commonly existing in plants is indoleacetic acid, and the indoleacetic acid has a promoting effect on the formation of top bud ends of plant branches or buds, seedlings and the like. According to the invention, the indolebutyric acid and indoleacetic acid with specific concentrations are adopted, and the coordination effect of the indolebutyric acid and the indoleacetic acid ensures that the grown roots are thicker, the main roots are more developed and the capillary roots are more.
In one embodiment, the concentration of indole butyric acid is 200 to 800ppm, and may further be 200ppm, 250ppm, 300ppm, 400ppm, 450ppm, 500ppm, 550ppm, 600ppm, 650ppm, 700ppm, 750ppm or 800 ppm.
In one embodiment, the concentration of the indoleacetic acid is 100-800 ppm, and optionally 100ppm, 150ppm, 200ppm, 250ppm, 300ppm, 400ppm, 450ppm, 500ppm, 550ppm, 600ppm, 650ppm, 700ppm, 750ppm, or 800 ppm.
Preferably, the mass ratio of the indolebutyric acid to the indoleacetic acid is (1.8-2.2): 1, and more preferably 2: 1.
Preferably, in the rooting promoter, the concentration of the indolebutyric acid is 400-600 ppm, and the concentration of the indoleacetic acid is 200-300 ppm.
By further optimizing the concentration of indolebutyric acid and indoleacetic acid, the average root number of bougainvillea spectabilis is increased, the average root length is longer, the grown root is thicker, the main root is developed, and more capillary roots are provided.
Preferably, the mass ratio of the perlite to the peat soil to the vermiculite is (0.9-1.2): (0.7-1) and (0.8-1.1).
According to the invention, through the matching of the substrates with specific proportions, the rooting rate of bougainvillea spectabilis is higher, the main roots are developed, the side roots are more, and the roots are stronger.
In one embodiment, the mass ratio of the perlite, the peat soil and the vermiculite is (0.9-1.2): (0.7-1) (0.8-1.1), and optionally 0.9:0.7:1, 0.8:0.9:1, 1:1:1, 1.1:0.7:1, 1.2:0.9:1, 0.9:0.8:1.1 or 1:1: 0.8.
Preferably, the mass ratio of the perlite to the peat soil to the vermiculite is 1:1: 1.
According to the invention, the mass ratio of the perlite to the peat soil to the vermiculite is preferably 1:1:1, the main roots are developed, the side roots are more, the roots are stronger, and the average rooting rate is 100%.
Preferably, the width of the girdling is 0.5-1.0 cm.
In one embodiment, the width of the girdling is 0.5-1.0 cm, and can be 0.5cm, 0.6cm, 0.7cm, 0.8cm, 0.9cm or 1 cm.
Preferably, the rooting promoter further comprises talcum powder;
preferably, the addition amount of the talcum powder is 5-15 g.
Preferably, the bougainvillea spectabilis plant is selected from a single plant which grows well, is robust and does not have plant diseases and insect pests.
Preferably, a plant rooting device is arranged for the high-pressure propagation, and the matrix for the high-pressure propagation is filled in the plant rooting device; the specification of the plant rooting device is as follows: the width is 85mm, the height is 95mm, and the aperture is 12 mm.
In one embodiment, the mixed matrix is watered thoroughly, and is controlled until no water drips, the mixed matrix is placed in a plant rooting device, the plant rooting device filled with the matrix is placed in a girdling position, the plant rooting device is tied by using a tying belt, and the bougainvillea spectabilis is propagated under high pressure.
Preferably, the bougainvillea spectabilis branches at the girdling positions are rooted after 18-22 days, the bougainvillea spectabilis plants are maintained for 38-43 days, stem sections at the lower ends of the plant rooting devices are cut off, and rooting single plants with soil balls in the plant rooting devices are transplanted and cultured.
The high-pressure bougainvillea spectabilis branches will take root after 20 days, the high-pressure bougainvillea spectabilis branches are maintained on the original stock plant for about 40 days, when the roots completely grow over the plant rooting device, the lower end of the plant rooting device is cut off by using pruning scissors, the plant rooting device is taken down, the rooting single plant with soil balls is transplanted into a nutrition bag for cultivation, and finally the finished plant is obtained.
In a preferred embodiment, the bougainvillea spectabilis cultivation method comprises the following steps:
(a) selecting a single plant which grows well, is strong and has no plant diseases and insect pests as a high-pressure propagation material from an adult plant;
(b) performing girdling at a position 5-10 cm below a lateral branch of the stem section, wherein the girdling width is 0.5-1.0 cm, stripping off an outer skin layer, and leaking out to form a stratum;
(c) dipping the mixed solution of the rooting promoter by using a soft brush, uniformly brushing the mixed solution on the surface of a girdling cambium, wherein the rooting promoter is 500mL of the mixed solution of indolebutyric acid and indoleacetic acid, and the concentrations are respectively: 200-800 PPM of indolebutyric acid and 100-800 PPM of indoleacetic acid, and adding 10g of talcum powder into the mixed solution with the concentration and uniformly stirring for later use;
(d) the method comprises the following steps of (1) arranging a plant rooting device filled with a matrix at a girdling position, and firmly binding the plant rooting device by using a binding tape, wherein the matrix comprises perlite, peat soil and vermiculite, and the mass ratio of the perlite to the peat soil to the vermiculite is (0.9-1.2): (0.7-1) 1;
(e) after 18-22 days, the high-pressure bougainvillea spectabilis branches will take roots, the high-pressure bougainvillea spectabilis branches are maintained on the original stock plants for 38-43 days, when the roots completely grow over the plant rooting device, the stem segments are cut off at the lower end of the plant rooting device by using pruning scissors, the plant rooting device is taken down, the rooting single plants with soil balls are transplanted into a nutrition bag for cultivation, and finally, the finished plants are obtained.
The present invention will be further explained with reference to specific examples and comparative examples.
The plant rooting equipment used in the examples and comparative examples of the present invention is shown in FIG. 1.
Example 1
A cultivation method of bougainvillea spectabilis comprises the following steps:
(a) selecting a single plant which grows well, is strong and has no plant diseases and insect pests as a high-pressure propagation material from an adult plant;
(b) performing girdling at a position 8cm below a lateral branch of the stem section, wherein the girdling width is 0.8cm, stripping off an outer skin layer, and leaking out to form a stratum;
(c) dipping a mixed solution of a rooting promoter by using a soft brush, uniformly brushing the mixed solution on the surface of a girdling cambium, preparing 500mL of the rooting promoter by using the mixed solution of indolebutyric acid and indoleacetic acid, wherein the concentration of the rooting promoter is 200PPM of indolebutyric acid and 100PPM of indoleacetic acid respectively, adding 10g of talcum powder into the mixed solution with the concentration, and uniformly stirring for later use;
(d) the method comprises the following steps of (1) arranging a plant rooting device filled with a matrix at a girdling position, and firmly binding the plant rooting device by using a binding tape, wherein the matrix comprises perlite, peat soil and vermiculite, and the mass ratio of the perlite to the peat soil to the vermiculite is 1:1: 1;
(e) after 18-22 days, the high-pressure bougainvillea spectabilis branches will take roots, the high-pressure bougainvillea spectabilis branches are maintained on the original stock plants for 40 days, when the roots completely grow over the plant rooting device, the stem sections are cut off at the lower end of the plant rooting device by using pruning scissors, the plant rooting device is taken down, the rooting single plants with soil balls are transplanted into a nutrition bag for cultivation, and finally, the finished plants are obtained.
Example 2
A cultivation method of bougainvillea spectabilis (Ching.) kurz is the same as example 1 except that the concentration of indolebutyric acid is 400PPM and the concentration of indoleacetic acid is 200 PPM.
Example 3
A cultivation method of bougainvillea spectabilis (L.) kurz is the same as example 1 except that the concentration of indolebutyric acid is 600PPM and the concentration of indoleacetic acid is 300 PPM.
Example 4
A cultivation method of bougainvillea spectabilis comprises the following steps:
(a) selecting a single plant which grows well, is strong and has no plant diseases and insect pests as a high-pressure propagation material from an adult plant;
(b) performing girdling at a position 10cm below a lateral branch of the stem section, wherein the girdling width is 0.5cm, stripping off an outer skin layer, and leaking out to form a stratum;
(c) dipping a mixed solution of a rooting promoter by using a soft brush, uniformly brushing the mixed solution on the surface of a girdling cambium, preparing 500mL of the rooting promoter by using the mixed solution of indolebutyric acid and indoleacetic acid, wherein the concentration of the rooting promoter is 800PPM of indolebutyric acid and 400PPM of indoleacetic acid respectively, adding 10g of talcum powder into the mixed solution with the concentration, and uniformly stirring for later use;
(d) the method comprises the following steps of (1) arranging a plant rooting device filled with a matrix at a girdling position, and firmly binding the plant rooting device by using a binding tape, wherein the matrix comprises perlite, peat soil and vermiculite, and the mass ratio of the perlite to the peat soil to the vermiculite is 0.9:1: 1;
(e) after 22 days, the high-pressure bougainvillea spectabilis branches will take root, the high-pressure bougainvillea spectabilis branches are maintained on the original stock plant for 38 days, when the roots completely grow over the plant rooting device, the lower end of the plant rooting device is cut off by using pruning scissors, the plant rooting device is taken down, the rooting single plant with soil balls is transplanted into a nutrition bag for cultivation, and finally the finished plant is obtained.
Example 5
A cultivation method of bougainvillea spectabilis comprises the following steps:
(a) selecting a single plant which grows well, is strong and has no plant diseases and insect pests as a high-pressure propagation material from an adult plant;
(b) performing girdling at a position 5cm below a lateral branch of the stem section, wherein the girdling width is 1.0cm, stripping off an outer skin layer, and leaking out to form a stratum;
(c) dipping a mixed solution of a rooting promoter by using a soft brush, uniformly brushing the mixed solution on the surface of a girdling cambium, preparing 500mL of the rooting promoter by using the mixed solution of indolebutyric acid and indoleacetic acid, wherein the concentrations of the rooting promoter are 300PPM of indolebutyric acid and 200PPM of indoleacetic acid respectively, adding 10g of talcum powder into the mixed solution with the concentration, and uniformly stirring for later use;
(d) the method comprises the following steps of (1) arranging a plant rooting device filled with a matrix at a girdling position, and firmly binding the plant rooting device by using a binding tape, wherein the matrix comprises perlite, peat soil and vermiculite, and the mass ratio of the perlite to the peat soil to the vermiculite is 1.2:0.7: 1;
(e) after 18 days, the high-pressure bougainvillea spectabilis branches will take root, the high-pressure bougainvillea spectabilis branches are maintained on the original stock plant for 43 days, when the roots completely grow over the plant rooting device, the lower end of the plant rooting device is cut off by using pruning scissors, the plant rooting device is taken down, the rooting single plant with soil balls is transplanted into a nutrition bag for cultivation, and finally the finished plant is obtained.
Comparative example 1
A cultivation method of bougainvillea spectabilis is the same as example 1 except that the concentration of indolebutyric acid is 0PPM and the concentration of indoleacetic acid is 0 PPM.
Comparative example 2
A cultivation method of bougainvillea spectabilis (Ching.) kurz is the same as example 1 except that the concentration of indolebutyric acid is 50PPM and the concentration of indoleacetic acid is 100 PPM.
Comparative example 3
A cultivation method of bougainvillea spectabilis is the same as that of example 2 except that the substrate does not contain perlite.
Comparative example 4
A method for cultivating bougainvillea spectabilis (Ching.) kurz is the same as example 2 except that the substrate does not contain peat soil.
Comparative example 5
A method for cultivating bougainvillea spectabilis was the same as in example 2 except that the substrate contained no vermiculite.
Examples of the experiments
First, the effect of different rooting promoter treatments on bougainvillea spectabilis rooting was explored and is shown in table 1.
TABLE 1 Effect of different rooting promoter treatments on bougainvillea spectabilis rooting
As is clear from Table 1, in example 1 using the rooting promoter (a mixed solution of indole butyric acid 200PPM and indole acetic acid 100 PPM), the average number of rooting roots of bougainvillea spectabilis was 5.4, the average root length was 7.2cm, and the grown roots were fine. By using the rooting promoter (the mixed solution of 400PPM indolebutyric acid and 200PPM indoleacetic acid) in example 2, the average number of rooting roots of bougainvillea speetabilis is 8.6, the average root length is 10.6cm, the grown roots are thick and strong, the capillary roots are more, and the main roots are developed. By using the rooting promoter (mixed solution of 600PPM indolebutyric acid and 300PPM indoleacetic acid) in example 3, the average number of rooting roots of bougainvillea speetabilis is 6.2, the average root length is 8.4cm, the grown roots are thick, white callus is formed on the surface of the roots, and the root splitting is obvious. In comparative example 1, bougainvillea spectabilis has an average root number of 4.3, an average root length of 6.5cm, and the grown roots are thin. The bougainvillea spectabilis of the average number of roots of 4.5 and the average root length of 6.6cm in comparative example 2. Therefore, the invention preferably selects the mixed solution of 400PPM indole butyric acid and 200PPM indole acetic acid as the rooting promoter, and the effect is better.
Secondly, the influence of different high-pressure propagation matrixes on bougainvillea spectabilis rooting is researched, and the influence is shown in table 2.
TABLE 2 Effect of different high-pressure propagation substrates on bouquet of bougainvillea spectabilis
The effect of different high-pressure propagation matrixes on bougainvillea spectabilis rooting is researched, and the bougainvillea spectabilis rooting condition in example 2 is found as follows: the main roots are developed, the lateral roots are more, the roots are robust, and the average rooting rate is 100%; rooting of bougainvillea speetabilis in comparative example 3: the main roots are underdeveloped, the lateral roots are few, more roots are in a water-soaked state, and the average rooting rate is 73.6%; rooting of bougainvillea speetabilis in comparative example 4: the main roots are developed, the lateral roots are few, a few roots are in a water stain shape, and the average rooting rate is 91.5%; rooting of bougainvillea in comparative example 5: the capillary roots are more, the main roots are thinner, the surface layers of the capillary roots are fibrous, and the average rooting rate is 83.6%.
The invention preferably adopts a mixed matrix of perlite, peat soil and vermiculite in a mass ratio of 1:1:1, the rooting rate of bougainvillea spectabilis reaches up to 100%, and the bougainvillea spectabilis has developed main roots, more lateral roots and stronger roots.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A cultivation method of bougainvillea spectabilis is characterized by comprising the following steps:
performing girdling treatment at a position 5-10 cm below a lateral branch of a stem section of a bougainvillea glabra plant, coating a rooting promoter at the girdling position, and performing high-pressure propagation;
the rooting promoter comprises indolebutyric acid and indoleacetic acid;
the substrate for high-pressure propagation comprises perlite, peat soil and vermiculite.
2. The method for cultivating bougainvillea spectabilis according to claim 1, wherein the concentration of indolebutyric acid is 200 to 800ppm and the concentration of indoleacetic acid is 100 to 800ppm in the rooting promoter.
3. The method for cultivating bougainvillea spectabilis according to claim 2, wherein the concentration of indolebutyric acid is 400 to 600ppm and the concentration of indoleacetic acid is 200 to 300ppm in the rooting promoter.
4. The bougainvillea spectabilis cultivation method according to claim 1, wherein the mass ratio of the perlite, the peat soil and the vermiculite is (0.9-1.2): (0.7-1) and (0.8-1.1).
5. The method for cultivating bougainvillea spectabilis according to claim 4, wherein the mass ratio of the perlite, the peat soil and the vermiculite is 1:1: 1.
6. The method for cultivating bougainvillea spectabilis according to claim 1, wherein the girdling width is 0.5-1.0 cm.
7. The method for cultivating bougainvillea spectabilis according to claim 1, wherein the rooting promoter further comprises talc;
preferably, the addition amount of the talcum powder is 5-15 g.
8. The bougainvillea spectabilis cultivation method according to claim 1, wherein the bougainvillea spectabilis plants are selected from individual plants which grow well, are robust and have no plant diseases and insect pests.
9. The method for cultivating bougainvillea spectabilis according to claim 1, wherein a plant rooting device is provided to perform the high pressure propagation, and the medium for the high pressure propagation is filled in the plant rooting device; the specification of the plant rooting device is as follows: the width is 85mm, the height is 95mm, and the aperture is 12 mm.
10. The cultivation method of bougainvillea spectabilis according to claim 1, wherein the bougainvillea spectabilis branches at the girdling position take roots after 18-22 days, the bougainvillea spectabilis plants are maintained for 38-43 days, then stem sections at the lower ends of the plant rooting devices are cut off, and rooting single plants with soil balls in the plant rooting devices are transplanted and cultured.
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