CN112042457A - Cultivation method of colorful bougainvillea spectabilis and colorful bougainvillea spectabilis tree - Google Patents
Cultivation method of colorful bougainvillea spectabilis and colorful bougainvillea spectabilis tree Download PDFInfo
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- CN112042457A CN112042457A CN202010999915.3A CN202010999915A CN112042457A CN 112042457 A CN112042457 A CN 112042457A CN 202010999915 A CN202010999915 A CN 202010999915A CN 112042457 A CN112042457 A CN 112042457A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G2/00—Vegetative propagation
- A01G2/10—Vegetative propagation by means of cuttings
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G31/00—Soilless cultivation, e.g. hydroponics
Abstract
The invention discloses a cultivation method of colorful bougainvillea spectabilis and a colorful bougainvillea spectabilis tree, and relates to the technical field of planting. The cultivating method of the colorful bougainvillea spectabilis comprises the following steps: planting a plurality of screened bougainvillea spectabilis varieties on the ground, trimming lateral branches, cultivating single-rod rattans to 2-3m long, then planting the rattans of the plurality of varieties in the same planting pot in a leaning manner, and supporting by adopting a supporting rod of 2-4 cm; wherein, the bougainvillea spectabilis seedlings of a plurality of varieties are of different colors; the bougainvillea spectabilis branches are gradually surrounded and highly coated by a root controller, winding roots grow in the skin holes after 8-12 months of growth, and the branches of various species are wound together to form an independent main trunk tree. The cultivation method only needs about 2 years of time, has the advantages of shorter time required by a grafting mode, high survival rate, strong wind resistance and the like, can be better applied to bougainvillea spectabilis landscape tree configuration and street tree planting, and is a great innovation that bougainvillea spectabilis only used as shrubs for landscaping and colorization for a long time.
Description
Technical Field
The invention relates to the technical field of planting, in particular to a cultivation method of colorful bougainvillea spectabilis and a colorful bougainvillea spectabilis tree.
Background
Bougainvillea spp is a plant of the genus phyllanthus (Bougainvillea) of the family heliotropiaceae (Nyctaginaceae), also known as a floral bouquet, a leaf flower, a rhododendron, etc., is a evergreen woody vine originally produced in brazil. After the introduction of the plant material into China in the beginning of the 20 th century, the plant material has been developed into a class of plant materials which are most widely applied to landscaping in China.
At present, in order to make flowers with various colors on one bougainvillea spectabilis tree, a method of grafting scions of different bougainvillea spectabilis varieties on one rootstock is generally adopted. The colorful tree obtained by the method is easily influenced by grafting time and grafting varieties, the grafting survival rate cannot be guaranteed, and the stock cultivation takes more than 10 years, so that the forming time is long, the grafting opening is easy to break, the carrying is not easy, and the wind resistance is poor. In view of this, the present application is specifically made.
Disclosure of Invention
The invention aims to provide a cultivation method of colorful bougainvillea spectabilis, which has the advantages of short cultivation time, high survival rate, good stability and good wind resistance.
The invention also aims to provide the colorful bougainvillea spectabilis which is good in stability and has good wind resistance.
The technical problem to be solved by the invention is realized by adopting the following technical scheme.
The invention provides a cultivation method of colorful bougainvillea spectabilis, which comprises the following steps:
planting a plurality of screened bougainvillea spectabilis varieties on the ground, trimming lateral branches, cultivating single-rod rattans to 2-3m long, then planting the rattans of the plurality of varieties in the same planting pot in a leaning manner, and fixing by adopting a supporting rod of 2-4cm, wherein the bougainvillea spectabilis of different colors;
the bougainvillea spectabilis branches are gradually surrounded and highly coated by a root controller coated with a matrix, winding roots grow in the positions of the skin holes after 8-12 months of growth, the branches of various varieties are wound together to form an independent main tree, then the root controller and the coated matrix are gradually removed, and finally the colorful bougainvillea spectabilis tree with the independent main tree is formed.
The invention also provides a colorful bougainvillea spectabilis tree which is cultivated by adopting the cultivation method of the colorful bougainvillea spectabilis.
The embodiment of the invention provides a cultivation method of colorful bougainvillea spectabilis, which has the beneficial effects that: the method comprises the steps of planting a plurality of screened bougainvillea spectabilis varieties on the ground, trimming lateral branches, cultivating single-rod rattans to 2-3m long, enabling the rattans of the plurality of varieties to lean together and planting the rattans and supporting rods in the same planting pot, gradually surrounding the bougainvillea spectabilis branches by a root control device coated with a matrix in a high-coverage mode, growing winding roots at skin holes after 8-12 months of growth, and winding the branches of the varieties together to form an independent main rod tree. The cultivation method only needs about 2 years of time on the whole, the time required is shorter compared with a grafting mode, and the survival rate is high; more importantly, the cultivation method can grow single-pole colorful trees, and has good support stability and stronger wind resistance.
The embodiment of the invention also provides a colorful bougainvillea spectabilis tree which is cultivated by the cultivation method of the colorful bougainvillea spectabilis, is a single-rod colorful tree, has good stability and has good wind resistance.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a block diagram of a rooting unit used in an embodiment of the present invention;
FIG. 2 is a photograph showing the incubation process in the embodiment of the present invention;
FIG. 3 is a photograph of a colorful tree grown according to the present invention;
FIG. 4 is a top view of the colorful tree cultivated according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. 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 available commercially.
The cultivation method of the colorful bougainvillea spectabilis and the colorful bougainvillea spectabilis tree provided by the embodiments of the present invention will be specifically described below.
The embodiment of the invention provides a cultivation method of colorful bougainvillea spectabilis, which comprises the following steps:
s1, branch culture
The method comprises the steps of planting a plurality of screened bougainvillea spectabilis varieties on the ground, pruning side branches, cultivating single-rod rattan to be 2-3m long, planting the rattan of the plurality of varieties in the same planting pot in a leaning mode, fixing the rattan by using a supporting rod of 2-4cm, and enabling the bougainvillea spectabilis of different colors to form colorful bougainvillea spectabilis.
In some preferred embodiments, the different colored bougainvillea spectabilis comprises a cardigan, a baby rose, and a pink cardigan. The inventor finds that the bougainvillea spectabilis of the five colors is more suitable for adopting the cultivation method provided by the embodiment of the invention, and the five types of bougainvillea spectabilis branches are soft, have ideal shaping effect, are bright in color and have strong ornamental value.
In some preferred embodiments, the plurality of seedlings are fixed when the plurality of vines are planted close together, so that the twigs of the seedlings are accelerated to be wound together. The adopted fixing mode is as follows: the support rod is used for fixing, namely, the bougainvillea spectabilis seedlings of a plurality of varieties are inserted into the support rod for binding and fixing, in some embodiments, the rod body is a bamboo rod, and the diameter of the bamboo rod is 2-4 cm.
In order to be suitable for the growth of bougainvillea spectabilis, the planting pot is octagonal, the length of each edge of the planting pot is 40-60cm, and the height of the planting pot is 50-70 cm.
Further, applying fertilizer every 10-15 days in the cultivation process in the planting pot; the applied fertilizer comprises a compound fertilizer and decomposed cake fertilizer water, and the fertilizer application process can refer to the existing fertilizer application process of bougainvillea spectabilis and apply the cake fertilizer water and the compound fertilizer containing nitrogen, phosphorus and potassium in the vegetative growth period to promote the rapid growth of plants.
S2, inducing rooting
Referring to fig. 2, the bougainvillea spectabilis branches are gradually surrounded by a root controller coated with a matrix to be highly coated, wound roots grow in a skin hole after 8-12 months of growth, the branches of various varieties are wound together to form an independent main trunk tree, the root controller and the coated matrix are gradually removed, and finally the colorful bougainvillea spectabilis tree with the independent main trunk tree is formed. After 8-12 months of growth, the branches are wound together, the thickness of the branches reaches about 2cm, the height can reach 2-3m, and at the moment, the induction rooting can be carried out, so that the root systems are staggered together.
Specifically, the structure of the root control device is shown in FIG. 1, which is a commercially available root control device, and the adopted root control device has a height of 50-70cm and a diameter of 25-30 cm.
In some preferred embodiments, the branches 0-60cm, 61-120cm and 121-180cm away from the soil surface of the plant are respectively coated by the root control device, after new roots grow, the branches of various varieties are wound together to form an independent main tree, and then the root control device and the coated substrate are gradually removed; the root control mode is carried out in a layered mode, so that root systems with different heights are staggered together, and the root induction effect is better. FIG. 2 shows only a schematic representation of the use of a root control at 0-60 cm.
The root controller is filled with moisture-preserving matrix soil and rooting powder, and each cubic meter of the moisture-preserving matrix soil corresponds to 3-5g of the rooting powder; the moisture-keeping matrix soil is obtained by mixing peat and perlite, and the mass ratio of the peat to the perlite is 3-5: 1; the rooting powder comprises talcum powder, naphthylacetic acid and indolebutyric acid, the mass ratio of the talcum powder to the naphthylacetic acid to the indolebutyric acid is 450-550:35-45:20-30, the pH value of peat is 5-6, the grain diameter is less than or equal to 10mm, and the grain diameter of perlite is 4-7 mm. The inventor further controls the composition of the moisturizing matrix soil and the composition of the rooting powder to better promote rooting and improve the stability of the colorful tree support. In some preferred embodiments, the filled matrix is sterilized prior to filling to further enhance survival.
The invention uses a plurality of varieties (preferably five varieties of five sparrows) plants of bougainvillea spectabilis with different colors to plant together, and uses a root controller to promote the plants to root, thereby forming the colorful bougainvillea spectabilis, the method and the bougainvillea spectabilis for grafting different color varieties on one strain of bougainvillea spectabilis have the advantages that: (1) the bougainvillea spectabilis grows into branches which independently grow upwards in a pruning mode, and the bougainvillea spectabilis grows into a single-stem colorful bougainvillea spectabilis tree through induced rooting. The bougainvillea spectabilis is rarely in a single-stem tree shape in natural growth, and the bougainvillea spectabilis root can be induced to grow into an independent trunk by the method, and the root lifting effect can be achieved, and the method is similar to the root generation of ficus microcarpa and plays a role in supporting and stabilizing. (2) The inventor selects the bougainvillea spectabilis which is bright in flower, soft in branch and easy to shape, and is more suitable for the cultivation method in the embodiment of the application. (3) Compared with a grafting method, the colorful bougainvillea spectabilis tree shaped by the embodiment of the application is more wind-resistant and is not easy to break. (4) The time for shaping the colorful bougainvillea spectabilis tree is only 2-3 years, longer time is needed by the grafting mode, and the grafting survival rate is influenced. The grafted bougainvillea spectabilis firstly finds a single thick-rod stock with about 15 ages, the stock cultivation time is long, a grafting opening is easy to be crushed or blown off in the transportation and typhoon seasons, and the transportation are extremely difficult.
Therefore, the colorful bougainvillea spectabilis tree formed by the method has the advantages of short forming time, high survival rate, strong wind resistance, easiness in carrying, easiness in trimming and the like, has wide application space in garden application, can be better applied to bougainvillea spectacular tree configuration and street tree planting, and is a great innovation that the bougainvillea spectaculata is only applied to garden greening colorization as shrubs for a long time.
The embodiment of the invention also provides a colorful bougainvillea spectabilis tree which is cultivated by adopting the cultivation method of the colorful bougainvillea spectabilis, is a single-rod colorful tree, has good stability and good wind resistance, and has the overall effect picture as shown in figure 3 and the effect picture at the top as shown in figure 4.
The features and properties of the present invention are described in further detail below with reference to examples.
Example 1
The embodiment provides a cultivation method of colorful bougainvillea spectabilis, which comprises the following steps:
branch cultivation: the method comprises the steps of selecting five varieties of the five gorse deltoids (canaries, red sparrows, orange sparrows, baby roses and pink sparrows) respectively, carrying out single-rod rattan cultivation, shearing off lateral branches by using branch shears, promoting seedlings of each variety to form single-rod branches which independently grow upwards, moving the seedlings of the five varieties to a big pot for planting after the seedlings grow to about 2.5m, enabling 5 varieties to lean together and planting in the same hole, and inserting two bamboo rods with the diameter of 2cm and the height of 2.5m in the middle for binding and fixing. The planting pot is octagonal, the length of each side of the octagonal planting pot is 50cm, the height of the planting pot is 60cm, fertile soil is prepared in the planting pot, and sufficient water is guaranteed to be poured in the normal management process. The fertilizer is applied by mixing decomposed cake fertilizer water with compound fertilizer once every 10-15 days. After 3 months of growth, the branches of 5 branches are 2cm thick and 2.5-3m high.
Inducing and rooting: the bougainvillea spectabilis branches 0-60cm, 61-120cm and 121-180cm away from the soil surface of the plant are respectively coated by a root controller, after new roots grow, the branches of various varieties are wound together to form an independent main trunk tree, and then the root controller and the coated matrix are gradually removed. The root controller is filled with moisturizing matrix soil and rooting powder (talcum powder: naphthylacetic acid: indolebutyric acid 500:40:25), and each cubic meter of moisturizing matrix soil corresponds to 4g of rooting powder. The moisture-keeping matrix soil is obtained by mixing peat (pH5.5, particle size of 0-10mm) and perlite (particle size of 4-7mm), and the mass ratio of peat to perlite is 4: 1. And (3) disinfecting the filled matrix by using 500-time hymexazol to promote the boughs of the bougainvillea spectabilis to grow new roots at nodes and bud points. After about 10 months, winding roots grow out of the skin holes, branches of various species are wound together to form an independent main trunk tree, then the root control device and the coated matrix are gradually removed, and after about 2 years, the colorful bougainvillea spectabilis tree with the independent main trunk tree is finally formed.
Managing, protecting and culturing: the colorful bougainvillea spectabilis trees are promoted to bloom through water and fertilizer management and flower control technology.
Example 2
The embodiment provides a cultivation method of colorful bougainvillea spectabilis, which comprises the following steps:
branch cultivation: the method comprises the steps of selecting five varieties of the five gorse deltoids (canaries, red sparrows, orange sparrows, baby roses and pink sparrows) respectively, carrying out single-rod rattan cultivation, shearing off lateral branches by using branch shears, promoting seedlings of each variety to form single-rod branches which independently grow upwards, moving the seedlings of the five varieties to a big pot for planting after the seedlings grow to about 2.5m, enabling 5 varieties to lean together and planting in the same hole, and inserting two bamboo rods with the diameter of 1.5cm and the height of 2m in the middle for binding and fixing. The planting pot is octagonal, the length of each side of the octagonal planting pot is 40cm, the height of the planting pot is 50cm, fertile soil is prepared in the planting pot, and sufficient water is guaranteed to be poured in the normal management process. The fertilizer is applied by mixing decomposed cake fertilizer water with compound fertilizer once every 10-15 days. After 3 months of growth, the diameter of 5 branches reaches 3 cm.
Inducing and rooting: the bougainvillea spectabilis branches 0-60cm, 61-120cm and 121-180cm away from the soil surface of the plant are respectively coated by a root controller, after new roots grow, the branches of various varieties are wound together to form an independent main trunk tree, and then the root controller and the coated matrix are gradually removed. The root controller is filled with moisture-keeping matrix soil and rooting powder (talcum powder, naphthylacetic acid and indolebutyric acid 450:35:20), and each cubic meter of the moisture-keeping matrix soil corresponds to 3g of the rooting powder. The moisture-keeping matrix soil is obtained by mixing peat (pH5.0, particle size of 0-10mm) and perlite (particle size of 4-7mm), and the mass ratio of peat to perlite is 3: 1. And (3) disinfecting the filled matrix by using 500-time hymexazol to promote the boughs of the bougainvillea spectabilis to grow new roots at nodes and bud points. After 9 months of growth, winding roots grow out of the skin holes, branches of various species are wound together to form an independent main tree, then the root control device and the coated matrix are gradually removed, and after about 2 years, the colorful bougainvillea spectabilis tree with the independent main tree is finally formed.
Managing, protecting and culturing: the colorful bougainvillea spectabilis trees are promoted to bloom through water and fertilizer management and flower control technology.
Example 3
The embodiment provides a cultivation method of colorful bougainvillea spectabilis, which comprises the following steps:
branch cultivation: branch cultivation: the method comprises the steps of selecting five varieties of the five gorse deltoids (canaries, red sparrows, orange sparrows, baby roses and pink sparrows) respectively, carrying out single-rod rattan cultivation, shearing off lateral branches by using branch shears, promoting seedlings of each variety to form single-rod branches which independently grow upwards, moving the seedlings of the five varieties to a big pot for planting after the seedlings grow to about 2.5m, enabling 5 varieties to lean together and planting in the same hole, and inserting two bamboo rods with the diameter of 2.5cm and the height of 3m in the middle for binding and fixing. The planting pot is octagonal, the length of each side of the octagonal planting pot is 60cm, the height of the planting pot is 70cm, fertile soil is prepared in the planting pot, and sufficient water is guaranteed to be poured in the normal management process. The fertilizer is applied by mixing decomposed cake fertilizer water with compound fertilizer once every 10-15 days. After 3 months of growth, the diameter of 5 branches reaches 3.5 cm.
Inducing and rooting: the bougainvillea spectabilis branches 0-60cm, 61-120cm and 121-180cm away from the soil surface of the plant are respectively coated by a root controller, after new roots grow, the branches of various varieties are wound together to form an independent main trunk tree, and then the root controller and the coated matrix are gradually removed. The root controller is filled with moisture-keeping matrix soil and rooting powder (talcum powder: naphthylacetic acid: indolebutyric acid 550:45:30), and each cubic meter of the moisture-keeping matrix soil corresponds to 5g of the rooting powder. The moisture-keeping matrix soil is obtained by mixing peat (pH6.0, particle size of 0-10mm) and perlite (particle size of 4-7mm), and the mass ratio of peat to perlite is 5: 1. And (3) disinfecting the filled matrix by using 500-time hymexazol to promote the boughs of the bougainvillea spectabilis to grow new roots at nodes and bud points. After 11 months of growth, winding roots grow out of the skin holes, branches of various species are wound together to form an independent main trunk tree, then the root control device and the coated matrix are gradually removed, and after about 2 years, the colorful bougainvillea spectabilis tree with the independent main trunk tree is finally formed.
Managing, protecting and culturing: the colorful bougainvillea spectabilis trees are promoted to bloom through water and fertilizer management and flower control technology.
Comparative example 1
This comparative example provides a method for cultivating bougainvillea spectabilis substantially the same as that in example 1, except that: the bougainvillea spectabilis variety is girald greenbrier, flame, lemon yellow, white snow princess and green leaf cherry.
The results are specifically as follows:
overall harmony: in the five species of branch type in the embodiment 1, the shape, the flowering phase and the size of the flower bract are nearly consistent, and the whole harmony is strong; in comparative example 1, the varieties are difficult to unify into one category, and the shapes, flowering phases and sizes of the flower buds are difficult to unify in branch type, so that the overall coordination is poor.
Average time to start rooting: example 1 was 15 days; comparative example 1 was 24 days.
Forming capability: in the embodiment 1, the root growing is fast, and the branch type and the flower type are unified, so the forming is fast; comparative example 1 has a long forming time and a poor effect because the rooting is slow and the branch type and the pattern are not uniform.
Flower color: example 1 was bright in color, and the flower color of comparative example 1 was slightly less brilliant than that of comparative example 1.
To summarize: (1) in the embodiment 1, five varieties of five sparrows are selected to cultivate the colorful bougainvillea spectabilis, and branches are slender and soft and are easy to shape; the five sparrows are the most bright flowers in the existing bougainvillea spectabilis variety, the shapes and sizes of the bracts of the five varieties are nearly consistent, the overall landscape effect formed by the branch-top flowers is consistent, and the five varieties are matched with the five bright flowers, have strong rooting capability on the branches and are easier to quickly become the colorful bougainvillea spectabilis. (2) Compared with the example 1, the selection of the golden girl, the flame, the lemon yellow, the white snow princess, the green leaf cherry blossom and other varieties for cultivating the colorful bougainvillea spectabilis tree has the advantages of higher branch hardness, slow rooting speed on branches, relatively difficult winding of five branches together, different flowering periods, relatively small flower quantity, various bud shapes and sizes, and no integral aesthetic effect.
Comparative example 2
This comparative example provides a method for cultivating bougainvillea spectabilis substantially the same as that in example 1, except that: no induced rooting was performed.
Through observation, the branches and the trunks cannot be twisted together into a whole by the upper side roots of the branches without the induced side roots in the comparative example, and the branches and the trunks can only be bound and fixed by binding, so that the binding time is long, the binding is easy to loosen, extremely unstable, and easy to blow down and blow off by strong wind.
Comparative example 3
This comparative example provides a method for cultivating bougainvillea spectabilis substantially the same as that in example 1, except that: the matrix soil filled in the root control device is as follows: 50% of peat, 25% of garden soil and 25% of perlite are mixed uniformly to prepare the fertilizer.
Average rooting time: example 1 was 15 days and comparative example 3 was 26 days.
Average number of roots after 1 month: example 1 was 50 strips and comparative example 3 was 10 strips.
And (4) conclusion: the substrate of example 3 is water-retaining and air-permeable, and after the rooting powder is added, the number of lateral roots induced to root is more, the lateral roots are stronger, and the time required for inducing the root is shorter. Comparative example 3 the number of lateral roots induced to root was small, the root system was weak and the time required for root induction was long.
In summary, the cultivation method of the colorful bougainvillea spectabilis provided by the invention is characterized in that a plurality of screened bougainvillea spectabilis varieties are planted in a ground mode, lateral branches are trimmed, single-rod rattan cultivation is carried out until the single-rod rattan grows to 2-3m, then the rattan of the varieties are leaned together and planted in the same planting pot together with supporting rods, the bougainvillea spectabilis branches are gradually surrounded by a high-coverage device coated with a matrix, winding roots grow at skin holes after 8-12 months of growth, and the branches of the varieties are wound together to form an independent main rod tree. The cultivation method only needs about 2 years of time on the whole, the time required is shorter compared with a grafting mode, and the survival rate is high; more importantly, the cultivation method can grow single-pole colorful trees, and has good support stability and stronger wind resistance.
The embodiment of the invention also provides a colorful bougainvillea spectabilis tree which is cultivated by the cultivation method of the colorful bougainvillea spectabilis, is a single-rod colorful tree, has good stability and has good wind resistance.
The embodiments described above are some, but not all embodiments of the invention. The detailed description of the embodiments of the present invention is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (10)
1. A cultivation method of colorful bougainvillea spectabilis is characterized by comprising the following steps:
planting a plurality of screened bougainvillea spectabilis varieties on the ground, trimming lateral branches, cultivating single-rod rattans to 2-3m long, then planting the rattans of the plurality of varieties in the same planting pot in a leaning manner, and fixing by adopting a supporting rod of 2-4cm, wherein the bougainvillea spectabilis of different colors;
the bougainvillea spectabilis branches are gradually surrounded and highly coated by a root controller coated with a matrix, winding roots grow in the positions of the skin holes after 8-12 months of growth, the branches of various varieties are wound together to form an independent main tree, then the root controller and the coated matrix are gradually removed, and finally the colorful bougainvillea spectabilis tree with the independent main tree is formed.
2. The cultivating method of colorful bougainvillea spectabilis as claimed in claim 1, wherein the branches 0-60cm, 61-120cm and 121-180cm away from the soil surface of the plant are respectively coated by the root controller, after new roots grow, the branches of each variety are twisted together to form an independent main tree, and then the root controller and the coated substrate are gradually removed;
preferably, the adopted root control device has the height of 50-70cm and the diameter of 25-30 cm;
preferably, after the branches of a plurality of varieties reach 2cm and the height reaches 2.5-3m, the branches of the bougainvillea spectabilis are coated by a root controller.
3. The cultivating method of colorful bougainvillea spectabilis according to claim 1 or 2, wherein the root controller is filled with moisture-retaining matrix soil and rooting powder, and each cubic meter of the moisture-retaining matrix soil corresponds to 3-5g of the rooting powder.
4. The cultivating method of colorful bougainvillea spectabilis as claimed in claim 3, wherein the rooting powder comprises talcum powder, naphthylacetic acid and indolebutyric acid, and the mass ratio of talcum powder, naphthylacetic acid and indolebutyric acid is 450-;
preferably, the filled matrix is sterilized prior to filling.
5. The method for cultivating colorful bougainvillea spectabilis as claimed in claim 3, wherein the moisture-retaining matrix soil is obtained by mixing peat and perlite, and the mass ratio of peat to perlite is 3-5: 1;
preferably, the peat has a pH of 5 to 6 and a particle size of less than or equal to 10 mm;
preferably, the perlite has a particle size of 4-7 mm.
6. The cultivating method of colorful bougainvillea spectabilis according to claim 1, wherein the fixing by the support rod is to insert the support rod into the bougainvillea spectabilis seedlings of a plurality of varieties to bind and fix;
preferably, the support rod is a bamboo rod.
7. The cultivating method of the colorful bougainvillea spectabilis as claimed in claim 1, wherein the planting pot is octagonal, and each side of the planting pot has a length of 40-60cm and a pot height of 50-70 cm.
8. The method for cultivating colorful bougainvillea spectabilis according to claim 1, wherein in the cultivation in the planting pot, a fertilizer is applied every 10-15 days;
preferably, the applied fertilizer comprises a compound fertilizer and a composted cake water.
9. The method of cultivating colorful bougainvillea spectabilis as claimed in claim 1, wherein the bougainvillea spectabilis of different colors includes canaries, rosehips, oranges, baby roses and pink peaches.
10. A colorful bougainvillea spectabilis tree which is cultivated by the method for cultivating colorful bougainvillea spectabilis of any one of claims 1 to 9.
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