CN110558079A - Grafting cultivation method for novel variety of lagerstroemia indica - Google Patents
Grafting cultivation method for novel variety of lagerstroemia indica Download PDFInfo
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- CN110558079A CN110558079A CN201911005098.9A CN201911005098A CN110558079A CN 110558079 A CN110558079 A CN 110558079A CN 201911005098 A CN201911005098 A CN 201911005098A CN 110558079 A CN110558079 A CN 110558079A
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- scion
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- lagerstroemia indica
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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
- A01G2/30—Grafting
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- Environmental Sciences (AREA)
- Developmental Biology & Embryology (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention discloses a method for grafting and cultivating a new species of lagerstroemia indica, which takes the American red rocket lagerstroemia indica as a stock and the red rocket lagerstroemia indica as a scion for grafting, improves the ornamental value, simultaneously selects the scion with multiple scions, further improves the survival rate, inherits the advantages of the American red rocket lagerstroemia indica, has bright red flowers like national flags, can reach 24 inches in flower clusters, has large flower quantity, bright and beautiful flower colors and strong stress resistance.
Description
Technical Field
the invention relates to the technical field of plant grafting, in particular to a grafting cultivation method of a new variety of lagerstroemia indica.
background
The Lagerstroemia indica (L.) Royle is deciduous tree of Lagerstroemia of Lythraceae, has intertillage of Lagerstroemia indica (L.) Royle, is nearly round, elliptical or oval, has a length of 3.8-8 cm (5.5 cm on average), a width of 2.9-6 cm (4.3 cm on average), and has reddish new leaves, green old leaves, pale red new tips and brown old branches; in the case of planting in Changsha in Hunan, the flower begins in the middle of 6 months, and the flowering period can reach 4 months; the flower color is scarlet, bright red in cloudy and cool weather, and sometimes, the petals have white edges, so that the flower color is of a compound color and is beautiful and colorful; the method is characterized by comprising the following steps of (1) conifer inflorescences in a round ball shape, wherein the diameter of the inflorescences is 11-40 cm (average 27.8 cm), the length of the inflorescences is 15-51 cm (average 35.1 cm), the number of petals is 6, the calyx is 6 shallow, the number of long stamens is 6, the number of short stamens is average 34-46, the diameter of the inflorescences is 4.0-4.8 cm (average 4.3 cm), the inflorescences are like a ball of fire when in full bloom, and are dazzling and are rare large red lagerstroemia indica varieties; the flowers are trimmed in time after the flowers bloom for many times. Drought resistance, low temperature of 23 ℃ below zero and strong disease resistance.
the American Lagerstroemia indica with red fire arrow belongs to deciduous trees of Lagerstroemia of Lythraceae, belongs to a new species of the American Lagerstroemia indica with red color, and is one of the most bright red species of the Lagerstroemia indica, the flower is bright red like national flag, the flower cluster can reach 24 inches, the flower volume is large, the flower color is bright, and the species are rare. The American red rocket crape myrtle has extremely high ornamental value and wide market prospect, which is incomparable with the conventional red rocket crape myrtle, and has wide adaptability and strong stress resistance.
The traditional cultivation method of the lagerstroemia indica can only cultivate lagerstroemia indica flowers of a single variety, and the problems of low survival rate and short flowering phase generally occur. Grafting is a common seedling breeding method, can maintain the excellent characters of scions, utilizes the stocks to adjust the tree vigor, also can utilize certain resistance characters of the stocks to enhance the adaptability and the stress resistance of excellent varieties and meet different requirements on cultivation or consumption. However, the grafting of the lagerstroemia indica honghuo and the lagerstroemia indica honghuo in the United states is not reported at present.
Disclosure of Invention
The invention provides a method for grafting and cultivating a new species of lagerstroemia indica, which takes the lagerstroemia indica with red rocket as a stock and the lagerstroemia indica with red rocket as a scion for grafting, improves the ornamental value, simultaneously selects the scion with multiple scions, further improves the survival rate, inherits the advantages of the lagerstroemia indica with red rocket, has bright red flowers like national flags, can reach 24 inches in blossom, has large flower quantity, bright and beautiful flower colors and strong stress resistance.
In order to achieve the purpose, the grafting cultivation method of the novel variety of the lagerstroemia indica, provided by the invention, comprises the following steps:
step one, selecting rootstocks: selecting a robustly-developed American red rocket crape myrtle old pile as a stock plant, planting the old pile after leaf falling until no new buds grow in the next year, and cutting off the upper part of the stock plant during planting, wherein the height of a trunk is 100-130 cm;
Step two, treating the rootstock: selecting multiple main branches with proper angles on the stock plant before ear picking in the late 2-3 months of spring or early 7-10 months of autumn, wherein the diameters of the main branches are at least 1.2 cm; longitudinally cutting the upper end side of the main branch inwards by 15-20 degrees to form a wedge-shaped cut, spraying nutrient solution to the cut, and coating the cut with a film for 12-24 hours;
step three, selection and treatment of scions: selecting an annual red fire ball crape myrtle branch which is robust, full in scion bud, free of diseases and insect pests and 0.5-1.5cm in diameter as a scion branch while treating the rootstock, wherein at least 3 scions are arranged on the scion branch; cutting the scion branches by a three-cutter method, and inserting the bottoms of the cut scion branches into the nutrient solution for 12-24 hours;
Step four, grafting and binding: and embedding the treated scion branch into the treated notch on the stock, and then winding and binding the embedded stock and the scion branch tightly through a film.
further, the nutrient solution comprises the following components in percentage by weight: 0.6-1.2% of diethyl aminoethyl hexanoate, 0.4-0.8% of brassinolide, 3-6% of a nitrogen fertilizer, 1-3% of a phosphate fertilizer, 0.8-1.2% of a potassium fertilizer and the balance of water.
Further, the step of cutting the scion shoot by using a three-blade method in the third step comprises the following steps:
Cutting a long cutting surface with the length of 2.8-3.2 cm on the flat and straight surface of the lower part of the bud;
The second knife cuts a horse ear-shaped inclined plane on the back of the long cutting surface, and the angle between the horse ear-shaped inclined plane and the long cutting surface is 45 degrees;
and a third cutter, wherein a short cutting surface is cut on the front and back surfaces of the long cutting surface at the upper part of the horse ear-shaped inclined surface, and the length of the short cutting surface is 2.0-3.0 cm.
Further, in the fourth step, the long bevel of the scion branch is inwardly aligned with the rootstock and tightly attached to the rootstock.
Further, the grafting and binding time is selected to be carried out in the weather after raining and sunny days.
Further, the diameter of the main branch is larger than that of the scion branch.
furthermore, the number of the main branches is 3-8.
Further, in the third step, the scion branch grafted on the same stock plant is a red fire ball crape myrtle branch with different colors.
The grafting cultivation method of the novel variety of the lagerstroemia indica provided by the invention adopts the following steps of: selecting a robustly-developed American red rocket crape myrtle old pile as a stock plant, planting the old pile after leaf falling until no new buds grow in the next year, and cutting off the upper part of the stock plant during planting, wherein the height of a trunk is 100-130 cm; step two, treating the rootstock: selecting multiple main branches with proper angles on the stock plant before ear picking in the late 2-3 months of spring or early 7-10 months of autumn, wherein the diameters of the main branches are at least 1.2 cm; longitudinally cutting the upper end side of the main branch inwards by 15-20 degrees to form a wedge-shaped cut, spraying nutrient solution to the cut, and coating the cut with a film for 12-24 hours; step three, selection and treatment of scions: selecting an annual red fire ball crape myrtle branch which is robust, full in scion bud, free of diseases and insect pests and 0.5-1.5cm in diameter as a scion branch while treating the rootstock, wherein at least 3 scions are arranged on the scion branch; cutting the scion branches by a three-cutter method, and inserting the bottoms of the cut scion branches into the nutrient solution for 12-24 hours; step four, grafting and binding: and embedding the treated scion branch into the treated notch on the stock, and then winding and binding the embedded stock and the scion branch tightly through a film. The method has the advantages that the ornamental value is improved, meanwhile, the scions with multiple shoots are selected, the survival rate is further improved, the advantages of the American red rocket crape myrtle are inherited, flowers are bright red like national flags, flower clusters can reach 24 inches, the flower quantity is large, the flower colors are bright, and the stress resistance is strong. .
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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.
in addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Example 1:
A grafting cultivation method of a new species of lagerstroemia indica comprises the following steps:
Step one, selecting rootstocks: selecting a robustly-developed American red rocket crape myrtle old pile as a stock plant, planting in 12 months, cutting off the upper part of the stock plant during planting, and keeping the trunk height of 120 cm;
Step two, treating the rootstock: selecting weather after raining and sunny days at the bottom of 2 months in spring, and selecting 5 main branches with proper angles on the stock plants, wherein the diameters of the main branches are at least 1.5 cm; longitudinally cutting the upper end side of the main branch inwards by 15-20 degrees to form a wedge-shaped cut, spraying nutrient solution to the cut, and coating the cut with a film for 18 hours;
step three, selection and treatment of scions: selecting healthy annual red fire ball crape myrtle branches with plump scion buds, no plant diseases and insect pests and 1.0cm diameter as scion branches while treating the rootstocks, wherein the scion branches are provided with at least 3 scion branches; cutting the scion branches by adopting a three-knife method, and inserting the bottoms of the cut scion branches into the nutrient solution for 24 hours; specifically, the step of cutting the scion branches by using a three-knife method comprises the following steps:
cutting a long cutting surface with the length of 2.8-3.2 cm on the flat and straight surface of the lower part of the bud;
The second knife cuts a horse ear-shaped inclined plane on the back of the long cutting surface, and the angle between the horse ear-shaped inclined plane and the long cutting surface is 45 degrees;
and a third cutter, wherein a short cutting surface is cut on the front and back surfaces of the long cutting surface at the upper part of the horse ear-shaped inclined surface, and the length of the short cutting surface is 2.0-3.0 cm.
Step four, grafting and binding: and embedding the processed scion branch into the processed notch on the stock, aligning and tightly attaching the long bevel surface of the scion branch inwards with the stock, and then winding and binding the embedded stock and the scion branch tightly through a film.
example 2:
a grafting cultivation method of a new species of lagerstroemia indica comprises the following steps:
step one, selecting rootstocks: selecting a robustly-developed American red rocket crape myrtle old pile as a stock plant, planting in 1 month, cutting off the upper part of the stock plant during planting, and keeping the trunk height of 100 cm;
Step two, treating the rootstock: selecting 5 main branches with proper angles on the stock plant in the weather after the rainy days and sunny days (or in the shady and cool weather) at the beginning of 10 months in spring, wherein the diameter of each main branch is at least 1.5 cm; longitudinally cutting the upper end side of the main branch inwards by 15-20 degrees to form a wedge-shaped cut, spraying nutrient solution to the cut, and coating the cut with a film for 12 hours;
Step three, selection and treatment of scions: selecting an annual red fire ball crape myrtle branch which is robust, full in scion bud, free of diseases and insect pests and 1.0-1.2 cm in diameter as a scion branch while treating the rootstock, wherein at least 3 scions are arranged on the scion branch; cutting the scion branches by adopting a three-cutter method, and inserting the bottoms of the cut scion branches into the nutrient solution for 12 hours; specifically, the step of cutting the scion branches by using a three-knife method comprises the following steps:
Cutting a long cutting surface with the length of 2.8-3.2 cm on the flat and straight surface of the lower part of the bud;
the second knife cuts a horse ear-shaped inclined plane on the back of the long cutting surface, and the angle between the horse ear-shaped inclined plane and the long cutting surface is 45 degrees;
And a third cutter, wherein a short cutting surface is cut on the front and back surfaces of the long cutting surface at the upper part of the horse ear-shaped inclined surface, and the length of the short cutting surface is 2.0-3.0 cm.
step four, grafting and binding: and embedding the processed scion branch into the processed notch on the stock, aligning and tightly attaching the long bevel surface of the scion branch inwards with the stock, and then winding and binding the embedded stock and the scion branch tightly through a film.
example 3:
a grafting cultivation method of a new species of lagerstroemia indica comprises the following steps:
Step one, selecting rootstocks: selecting a robustly-developed American red rocket crape myrtle old pile as a stock plant, planting in 2 months, cutting off the upper part of the stock plant during planting, and keeping the trunk height of 100-130 cm;
Step two, treating the rootstock: selecting weather after raining and sunny days at the bottom of 2 months in spring, and selecting 5 main branches with proper angles on the stock plants, wherein the diameters of the main branches are at least 1.5 cm; longitudinally cutting the upper end side of the main branch inwards by 15-20 degrees to form a wedge-shaped cut, spraying nutrient solution to the cut, and coating the cut with a film for 12 hours;
Step three, selection and treatment of scions: selecting an annual red fire ball crape myrtle branch which is robust, full in scion bud, free of diseases and insect pests and 1.0-1.2 cm in diameter as a scion branch while treating the rootstock, wherein at least 3 scions are arranged on the scion branch; cutting the scion branches by adopting a three-cutter method, and inserting the bottoms of the cut scion branches into the nutrient solution for 12 hours; specifically, the step of cutting the scion branches by using a three-knife method comprises the following steps:
Cutting a long cutting surface with the length of 2.8-3.2 cm on the flat and straight surface of the lower part of the bud;
the second knife cuts a horse ear-shaped inclined plane on the back of the long cutting surface, and the angle between the horse ear-shaped inclined plane and the long cutting surface is 45 degrees;
and a third cutter, wherein a short cutting surface is cut on the front and back surfaces of the long cutting surface at the upper part of the horse ear-shaped inclined surface, and the length of the short cutting surface is 2.0-3.0 cm.
step four, grafting and binding: and embedding the processed scion branch into the processed notch on the stock, aligning and tightly attaching the long bevel surface of the scion branch inwards with the stock, and then winding and binding the embedded stock and the scion branch tightly through a film.
Further, in the above embodiment, the nutrient solution includes the following components in percentage by weight: 0.6-1.2% of diethyl aminoethyl hexanoate, 0.4-0.8% of brassinolide, 3-6% of a nitrogen fertilizer, 1-3% of a phosphate fertilizer, 0.8-1.2% of a potassium fertilizer and the balance of water.
Further, in the above embodiment, the scion branches grafted on the same stock plant are red fire ball crape myrtle branches with different colors.
the method for grafting and cultivating the novel variety of the lagerstroemia indica with the American red rocket is used as the stock, the lagerstroemia indica with the red rocket is used as the scion for grafting, the ornamental value is improved, meanwhile, the scion with multiple scions is selected, the survival rate is further improved, the advantages of the lagerstroemia indica with the American red rocket are inherited, flowers are bright red like national flags, flower clusters can reach 24 inches, the flower quantity is large, the flower color is bright, and the stress resistance is strong.
in the description herein, references to the description of the term "one embodiment," "another embodiment," or "first through xth embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, method steps, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
it should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
the above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. A grafting cultivation method of a new species of lagerstroemia indica is characterized by comprising the following steps:
Step one, selecting rootstocks: selecting a robustly-developed American red rocket crape myrtle old pile as a stock plant, planting the old pile after leaf falling until no new buds grow in the next year, and cutting off the upper part of the stock plant during planting, wherein the height of a trunk is 100-130 cm;
step two, treating the rootstock: selecting multiple main branches with proper angles on the stock plant before ear picking in the late 2-3 months of spring or early 7-10 months of autumn, wherein the diameters of the main branches are at least 1.2 cm; longitudinally cutting the upper end side of the main branch inwards by 15-20 degrees to form a wedge-shaped cut, spraying nutrient solution to the cut, and coating the cut with a film for 12-24 hours;
Step three, selection and treatment of scions: selecting an annual red fire ball crape myrtle branch which is robust, full in scion bud, free of diseases and insect pests and 0.5-1.5cm in diameter as a scion branch while treating the rootstock, wherein at least 3 scions are arranged on the scion branch; cutting the scion branches by a three-cutter method, and inserting the bottoms of the cut scion branches into the nutrient solution for 12-24 hours;
step four, grafting and binding: and embedding the treated scion branch into the treated notch on the stock, and then winding and binding the embedded stock and the scion branch tightly through a film.
2. The grafting cultivation method of a new variety of lagerstroemia indica as claimed in claim 1, wherein the nutrient solution comprises the following components by weight percent: 0.6-1.2% of diethyl aminoethyl hexanoate, 0.4-0.8% of brassinolide, 3-6% of a nitrogen fertilizer, 1-3% of a phosphate fertilizer, 0.8-1.2% of a potassium fertilizer and the balance of water.
3. the method for grafting and cultivating a new variety of lagerstroemia indica according to claim 1, wherein the step of cutting the scion shoot by a three-blade method in the third step comprises the following steps:
cutting a long cutting surface with the length of 2.8-3.2 cm on the flat and straight surface of the lower part of the bud;
the second knife cuts a horse ear-shaped inclined plane on the back of the long cutting surface, and the angle between the horse ear-shaped inclined plane and the long cutting surface is 45 degrees;
And a third cutter, wherein a short cutting surface is cut on the front and back surfaces of the long cutting surface at the upper part of the horse ear-shaped inclined surface, and the length of the short cutting surface is 2.0-3.0 cm.
4. the method for grafting and cultivating a new variety of lagerstroemia indica according to claim 3, wherein in the fourth step, the long bevel of the scion branch is inwardly and closely aligned with the rootstock.
5. the method for grafting and cultivating a new variety of lagerstroemia indica according to claim 1, wherein the grafting and ligating time is selected to be performed in the weather after raining and sunny days.
6. The method for grafting and cultivating a new variety of lagerstroemia indica according to claim 1, wherein the diameter of the main branch is larger than that of the scion branch.
7. the method for grafting and cultivating a new variety of lagerstroemia indica according to claim 1, wherein the number of the main branches is 3-8.
8. The method for grafting cultivation of a new species of lagerstroemia indica as claimed in claim 1, further comprising the step of grafting the scion branch on the same stock plant into the lagerstroemia indica red fire bulb branches with different colors.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114190178A (en) * | 2021-12-10 | 2022-03-18 | 广西相泉园林绿化工程有限公司 | Grafting method for improving survival rate of lagerstroemia indica seedlings with red rocket |
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2019
- 2019-10-22 CN CN201911005098.9A patent/CN110558079A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114190178A (en) * | 2021-12-10 | 2022-03-18 | 广西相泉园林绿化工程有限公司 | Grafting method for improving survival rate of lagerstroemia indica seedlings with red rocket |
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