CN112868453A - Spindle-shaped apple tree pruning method without artificial branch pulling - Google Patents
Spindle-shaped apple tree pruning method without artificial branch pulling Download PDFInfo
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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
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
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Abstract
The invention discloses a spindly pruning method for apple trees without artificial branch pulling, which comprises the steps of selecting multi-branch large seedlings with horizontal branches to build a garden, spraying growth regulators to promote stopping growth and forming flower buds, spraying the growth regulators to promote the horizontal branches from the upper parts of the trees after the seedlings are planted, adopting all the short branches after the planting, adopting banking of autumn end stocks, adopting winter pruning to remove upright branches, and adopting fruit pressing to form horizontal branches. As the dwarf apples bear early fruits, the branches are enabled to bear early as possible from the second year, and the branches are pressed below the level by the gravity of the fruits. Artificial branch drawing is not performed any more, and other technologies are completely the same as the method for cultivating the spindle shape; the labor is greatly saved.
Description
Technical Field
The invention belongs to the technical field of apple tree pruning, and relates to a spindle-shaped apple tree pruning method without artificial branch pulling.
Background
The dwarf stock wide-row close planting is the development trend and direction of apples in the world and is an important mark for the development of modern apple industry in the world. Except China, the newly-built orchards of the main world apple production countries basically adopt short-stock close planting cultivation, and the short-stock orchards of many countries account for more than 80% of the total area of apples. The dwarf stock close planting is popularized from 80 years in the last century in China, the area of the current dwarf stock orchard accounts for 12.5 percent of the total area of apples in China, and is increased to more than 50 percent in the next 10 years, but the shaping and trimming technology of the dwarf stock wide-row close planting is completely different from the arbor thin planting, the arbor thin planting tree needs a small angle, the fruiting is late, the framework is large, and the service life is long. The angle required for close planting of the short rootstock is large, the fruit is early, the framework is less, and the updating is fast.
The basis of the short stock close planting and early fruiting is to apply the dwarfing stock and cultivate the spindle-shaped tree form, wherein the spindle shape is divided into a high spindle shape, a thin spindle shape and a free spindle shape. The apple tree form development in China goes through three periods of natural round head shape, three big main branch semi-circular shape and spindle shape; currently, the most used tree form of saplings is spindle-shaped. However, the core of the three spindle tree forms is a branch pulling technology, the branch pulling is time-consuming and labor-consuming in production, about 8 labor is generally used for pulling branches per mu of young apple orchard year, and the labor amount of the three spindle tree forms is more than 1/3 of the total annual labor amount of the orchard. With the accelerated urbanization process and the aging of rural labor force, the rural labor force is less and less, and the research and popularization of a technology without manual branch drawing is of great popularization value.
In addition, 10 to 20 percent of branches are frequently broken by pulling, the rot disease is infected, the number of the branches is reduced, and the plastic ropes for pulling the branches pollute the environment. When the iron wire is used for pulling branches, the mechanical tires can be punctured by leaving the iron wire in an orchard, and the mechanical operation is influenced. In short-anvil orchards, branch pulling is a very annoying and obliged technique.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a spindle-shaped apple tree pruning method without artificial branch pulling, and an apple orchard in a short stock close planting and spindle-shaped tree shape can be established through a pruning technology without branch pulling.
The invention is realized by the following technical scheme:
a spindle-shaped apple tree pruning method without artificial branch pulling comprises the following operations:
1) selecting a multi-branch large seedling with horizontal branches to build a garden, wherein the large seedling is cultivated by selecting a dwarfing self-rooted stock or an intermediate stock, and when the seedling in a large seedling breeding garden grows to 70-80cm, spraying young leaves for 2-3 times by using a mixed solution of 80-time diluted Baofenling and 1% of codonopsis pilosula soaking solution by mass concentration to promote more than 10 horizontal branches;
spraying a mixed solution of 125ppm of naphthylacetic acid and 1% of radix sophorae flavescentis soaking solution to the seedlings in the big seedling breeding nursery in 8 months, and spraying a mixed solution of 75ppm of naphthylacetic acid and 1% of rhizoma coptidis soaking solution once at intervals of 1 week;
2) building a garden in spring for planting, wherein the planting density is 1-1.2 m of plant spacing, the row spacing is 3.5-4 m, and 138-198 plants are planted per mu by adopting a wide-row spacing and small-plant spacing cultivation mode;
after the seedlings are planted, spraying a mixed solution of baofengling diluted by 80 times and codonopsis pilosula soaking solution with the mass concentration of 1% on the central trunk extension branches for 2-3 times within 1-2 years, and promoting the upper parts of tree bodies to generate horizontal branches;
3) after planting, if the seedling has broken branches, the seedling is cut short from the broken parts; the branches which are not broken are cut into short sections with the length of more than 30 centimeters, and 80 percent of the cut lengths are reserved; the length is not short under 30 cm; the short section is required to be smooth;
4) in order to promote the growth of root systems in autumn and ensure the root systems to pass winter safely, a soil heap with the height of 10-15cm is cultivated at the root and stem part immediately after the frost is fallen for 11 months, and the diameter of the bottom of the soil heap is 25-30 cm;
5) when pruning is carried out in winter, a short pile with the length of 4cm is left on a big branch or a small branch with the upright angle and the length of more than 30cm for thinning and removing, and relatively horizontal or horizontal branching is promoted;
6) in the second year, the branches are allowed to bear fruits as early as possible, generally 3 to 5 apples are remained on each branch, and the branches are pressed below the level under the action of the gravity of the fruits;
7) then, artificial branch drawing is not carried out, and shaping and trimming are carried out according to the fusiform tree shape.
The codonopsis pilosula soaking solution is prepared by crushing codonopsis pilosula into powder, then adding water according to the proportion of 1:5, soaking for 48 hours, and collecting an extracting solution for later use; before use, the mixture is diluted to 1 mass percent.
The sophora flavescens soaking solution is prepared by crushing sophora flavescens into powder, then adding water according to the proportion of 1:5, soaking for 48 hours, collecting the extracting solution for later use, and diluting to the mass concentration of 1% before use.
The coptis chinensis soaking solution is prepared by crushing coptis chinensis into powder, then adding water according to the proportion of 1:3, soaking for 48 hours, collecting an extracting solution for later use, and diluting the extracting solution to the mass concentration of 1% before use.
Compared with the prior art, the invention has the following beneficial technical effects:
according to the invention, a multi-branch large seedling with horizontal branches is selected to build a garden, when the seedling in a large seedling breeding garden grows to 70-80cm, the young leaves are sprayed for 2-3 times by using a mixture of 80 times of Baofenling and 1% of codonopsis pilosula, and more than 10 horizontal branches are promoted. More than 10 big seedlings with horizontal branches are planted. After the seedlings are planted, 80 times of the central trunk extension branches are sprayed with a mixture of 80 times of Baofengling and 1% of codonopsis pilosula for 2-3 times within 1-2 years, and horizontal branches are promoted to be formed at the upper parts of the trees. The invention adopts the spray cloth growth regulator to promote growth stopping and flower bud formation. Around 8 months and 15 days, 125ppm of naphthylacetic acid and 1% of radix sophorae flavescentis are sprayed once, and 75ppm of naphthylacetic acid and 1% of coptis chinensis are sprayed once again at intervals of 1 week, so that the growth of branches is promoted, and the formation of flower buds is facilitated.
The invention adopts the whole short section of the branch after planting. More than one third of branches are broken because the branch seedlings are inconvenient to bundle and transport. After planting, cutting off the broken branches, and leaving 25-40cm short sections with the length of other branches being more than 30cm and light short sections with the length being less than 30 cm.
The invention adopts the banking of the autumn end stock. The dwarfing stock is poor in drought resistance and cold resistance, and in order to promote root growth in autumn and ensure safe overwintering, a small soil heap with the height of 15cm is planted at the root and stem immediately after the autumn is downed for 11 months.
The invention adopts winter pruning to remove the upright branches. When pruning is carried out in winter, a short pile with the length of 4cm is left on the big branch or the small branch with the vertical angle for dredging and removing, and a horizontal branch or a horizontal branch is promoted.
The invention adopts fruit to press branches into horizontal branches. As the dwarf apples bear early fruits, the branches are enabled to bear early as possible from the second year, and the branches are pressed below the level by the gravity of the fruits. Artificial branch drawing is not performed any more, and other technologies are completely the same as the method for cultivating the spindle shape; the labor is greatly saved.
The method is suitable for popularization and application in dwarf apple orchards in apple cultivation areas of Shanxi, Gansu, Shandong, Hebei, Henan, Shanxi, Anhui, Jiangsu, Yunnan, Sichuan, Guizhou and the like. Through research and comparison, the main task of shaping and pruning in the first 5 years is artificial branch pulling, the artificial branch pulling accounts for more than one third of the annual labor amount, generally, 6-8 branch pulling workers are used in each acre of apple orchard in year, the calculation is 100 yuan per working day, the annual branch pulling cost is 600-. If the non-branch pulling technology is adopted, 3000-4000 yuan can be saved for each mu of fruit growers. In future, more than 15 million hectares of apple orchard in China each year can reach the renewal age limit. If the apple orchard is changed into a dwarfing orchard according to 50 percent of the updated area of the apple orchard, namely, the dwarfing apple orchard with more than 7.5 ten thousand hectares needs to be built every year, the cost of artificial branch pulling is saved according to each hectare by 4.5 ten thousand yuan to 6 ten thousand yuan. The artificial propagation technique of dwarfing apples is popularized, and the labor cost can be saved by 33.75-45 billion yuan each year in China.
Detailed Description
The present invention will now be described in further detail, with the understanding that the present invention is to be considered as illustrative and not restrictive.
A spindle-shaped apple tree pruning method without artificial branch pulling comprises the following operations:
1) selecting multi-branch large seedlings with horizontal branches to build a garden
The large seedling is a large seedling which is cultivated by dwarfing self-rooted stock or interstock and has more than 10 branches, and the branches of the seedling are relatively level. The seedlings reach the branching level by spraying Baofengling and radix codonopsitis in the nursery cultivation process, because the branching level is horizontal, the growth vigor after planting is mild, the formation of cytokinin is facilitated, the formation of flower buds is promoted, early fruiting is achieved, the branches are stabilized in the horizontal state by the gravity of fruits, manual branch pulling can be avoided, and the management labor is saved.
When the nursery stock of the large seedling breeding garden grows to 70-80cm, diluting by 80 times of Baofenling, adding a mixture of 1% of radix codonopsis soaking solution, and spraying young leaves for 2-3 times, so as to promote more than 10 horizontal branches;
the plantation of the building garden selects more than 10 large seedlings with horizontal branches, the planting density is generally 1-1.2 meters of plant spacing and 3.5-4 meters of row spacing, 138-198 plants are planted per mu, and the planting mode of wide row spacing and small plant spacing is adopted.
After the seedlings are planted, 80 times of the central trunk extension branches are sprayed with a mixture of 80 times of Baofengling and 1% of codonopsis pilosula for 2-3 times within 1-2 years, and horizontal branches are promoted to be formed at the upper parts of the trees.
Baofengling (3.6% benayurine gibberellin) is also known as poliomyl. Is a novel and efficient composite plant growth regulator, the main active components are Gebao phosphoric acid A4+7 and 6-benzyl adenine (6-BA), and the plant growth regulator is imported and sold by Shanxi Huasheng fruit industry Co Ltd. The main function is to promote the formation of horizontal branches and also promote the germination and the sprouting. The apple tree is mainly suitable for melon and fruit plants in the past, has a promoting effect on fruit growth, is mainly used for apples, can obviously improve the fruit shape index and the high stump rate of the apples, promotes the fruit-shaped pentagonal protrusions, and greatly improves the quality and the appearance quality of the apples.
Pulverizing radix Codonopsis into powder, soaking in water at a ratio of 1:5 for 48 hr, and collecting extractive solution; before use, the mixture is diluted to 1 mass percent. The main function is to promote germination and branch.
The advantage of mixing Baofengling and the codonopsis pilosula soaking solution is that codonopsis pilosula promotes germination and branching, and Baofengling promotes the horizontal growth of branches.
Spraying growth regulator to promote growth stopping and flower bud formation
Spraying naphthylacetic acid and radix Sophorae Flavescentis around 8 months and 15 days, spraying in nursery garden only, and spraying no more after planting; spraying 125ppm naphthylacetic acid and 1% radix Sophorae Flavescentis soaking solution once, spraying 75ppm naphthylacetic acid and 1% Coptidis rhizoma soaking solution once every 1 week to promote branch growth, and facilitate flower bud formation.
Pulverizing radix Sophorae Flavescentis into powder, soaking in water at a ratio of 1:5 for 48 hr, collecting extractive solution, and diluting to 1% mass concentration before use. The main function is to promote the maturity of branches and leaves and to be beneficial to the formation of flower buds.
Crushing the goldthread root into powder, then adding water according to the proportion of 1:3 for soaking for 48 hours, collecting the extract for later use, and diluting the extract to the mass concentration of 1 percent before use. The main function is to promote the maturity of branches and leaves and to be beneficial to the formation of flower buds.
The naphthylacetic acid, the radix sophorae flavescentis and the rhizoma coptidis have the same effect, and are mainly used for promoting the maturity of branches and leaves and facilitating the formation of flower buds. But only one of the products has poor effect and high concentration and promotes early leaf fall, and the low-concentration mixing of the products can achieve the ideal effect without generating side effect.
2) Branch full cutback after planting
More than one third of branches are broken because the branch seedlings are inconvenient to bundle and transport. After planting, the broken branch is cut short from the broken part, and the broken branch is cut short from the broken part because the broken length is not consistent. The short section should be smooth to facilitate wound healing.
The other unbroken branches with the length below 30cm are usually all flower buds with the horizontal flowering pressure. The length is cut over 30cm, 80% of the length is reserved, and 20% is cut off.
4) And (5) hilling the rootstock at the end of autumn.
The dwarfing stock is poor in drought resistance and cold resistance, and in order to promote root growth in autumn and ensure safe overwintering, a small soil heap with the height of 15cm is immediately cultivated at the root and stem part after the autumn is downed for 11 months, and the bottom of the small soil heap is directly 30cm generally.
5) Pruning and removing vertical branches in winter
When pruning is carried out in winter, big branches or small branches with upright angles are thinned, wherein short piles with the length of 4 centimeters are left on the branches with the length of more than 30 centimeters, and horizontal or horizontal branches are promoted.
6) The fruit is pressed into horizontal branches.
As the dwarf apples bear early fruits, the branches are enabled to bear early as possible from the second year, and the branches are pressed below the level by the gravity of the fruits. Generally, 3 to 5 apples are left on each branch, and if the number of the apples is too large, the branches are crushed or pressed to droop.
Then, shaping and trimming are carried out according to the spindle shape. The technique mainly does not need artificial branch pulling, and other techniques are completely the same as the method for cultivating the spindle shape.
The following aspects are explained in detail below.
1. Selecting multi-branch plantlets with horizontal branches
When the grafted dwarfing stock seedling grows to 70-80cm in a large seedling propagation nursery, spraying 10mL of a mixture of 80 times of Baofenling and 1% of codonopsis pilosula for 2-3 times until the seedling is sprayed to flowing water, only spraying the young leaves, and not spraying other leaves, so that the seedling with insufficient height is not sprayed. And in 20 days, the soil is kept moist, urea is applied for 2 times per mu, 20kg per mu is applied each time, and more than 10 horizontal branches are promoted. More than 10 big seedlings with horizontal branches are planted. Tables 1 and 2 show the growth conditions of different branch seedlings after planting, wherein the branches are more than 10 big seedlings, the growth amount of the tree body after planting is the largest, and the forming is the fastest. In addition, after the seedlings are planted, a mixture of 80 times of Baofengling and 1% of codonopsis pilosula is sprayed on the central trunk extension branches within 1-2 years for 2-3 times, so that the upper parts of the trees are promoted to generate horizontal branches.
2. Branch full cutback after planting
The large seedlings with branches are inconvenient to bundle and transport, the branches can be broken, and the proportion of broken branches is up to more than one third according to statistics. After planting, the broken branches are cut short from the broken positions, and the reserved branch sections can not have wounds except for the cut. And (3) remaining 25-40cm short sections of other branches with the length of more than 30cm, and cutting off light short sections with the length of less than 30cm, namely cutting off about 20% of the length of the branches. But the cut bud must leave a bud on the back, and the angle of the germinated branch is relatively horizontal. Tables 1 and 2 show the growth conditions of different branch seedlings after planting, wherein the number of the branches is more than 10, the flower buds form the most in the current year of planting, and the branches are favorably pressed by fruits to be in a horizontal state.
3. Spraying growth regulator to promote growth stop of branch and formation of flower bud
Around 8 months and 15 days, 125ppm of naphthylacetic acid and 1% of radix sophorae flavescentis are sprayed once, and 75ppm of naphthylacetic acid and 1% of coptis chinensis are sprayed once again at intervals of 1 week, so that the growth of branches is promoted, and the formation of flower buds is facilitated. In addition, from the beginning of spraying the growth regulator, the saplings are not required to be subjected to additional fertilization and watering, and foliar fertilizers for promoting growth are not required to be sprayed, but foliar fertilizers for promoting branch maturation, such as monopotassium phosphate, and the like, can be sprayed.
4. Banking of autumn end stock
The root system of the dwarfing stock is shallow, the temporary root system stops growing earlier in autumn when the temperature is low, the differentiation of flower buds in autumn and winter is influenced, and the drought resistance and the cold resistance are also poor. In order to promote the growth of the root system in autumn and to safely pass the winter, a small soil heap with the height of 15cm is cultivated in the root system immediately after the frost for 11 months, and the protection of the root system for safe overwintering and the increase of the temperature around the root system are particularly important.
5. Pruning and removing vertical big branches in winter
When pruning is carried out in winter, branches with the angle of more than 70 degrees or branches exceeding one half of the branches of the central trunk of the implantation position are thinned, 4cm short piles are reserved for thinning, the better cutting opening is in a horseshoe shape, namely 3cm is reserved at the upper end of the cutting opening, 4cm is reserved at the lower end of the cutting opening to form an inclined plane, the lower end is promoted to send out horizontal branches, or a plurality of branches are sent out, 1 horizontal branch is selected and reserved in summer, and branches with smaller angles are thinned.
6. Fruit is pressed horizontally
Generally, 3-4 branches are generated from the short branches planted in the same year, wherein the long branches without flower buds are thinned and removed in winter, more flower buds are reserved, and the branches are pressed to be below the level in the next year through the gravity action of fruits. For branches without flower buds, if the angle is small, the branches can be flattened and pressed at the lower parts of the branches with flowers, the branches are controlled not to grow vertically, and if the angle is not large, piles are left for 4cm for manual thinning.
7. Reasonable fertilizer and water supply
For dwarfing stock orchards, the utilization efficiency of fertilizer and water is one third higher than that of arbor-stock orchards, the fertilizer and water are reasonably supplied in the current year for planting in order to bear fruits early and press branches with fruits, 100g of urea is used for each plant year through drip irrigation and fertilization, 10 times of drip irrigation are carried out in each year, and the water consumption per mu is 30m 3. For orchards without drip irrigation, 200g of urea is used for each plant year, the plants are watered for 2 times per year, and the watering amount per mu is 50m 3. The average growth amount of new shoots is required to be about 60cm and cannot exceed 65cm, otherwise, the new shoots grow excessively, and are not beneficial to flower bud formation and horizontal growth of branches.
8. Treatment of shoots after age
And (3) removing overlong big branches on the upper part of the trunk at proper time along with the increase of the tree age, keeping the big branches as far as possible, timely thinning and removing competitive upright branches at the top without artificial branch pulling. In order to ensure the renewal of branches, small piles are reserved when the big branches at the middle lower part of the trunk are removed, the flat medium renewal branches are promoted, and the long and thin drooping fruiting branch group is not cultured by artificial branch pulling.
TABLE 1 growth of the branches after one year planting of seedlings of different branch numbers
TABLE 2 growth of tree branches after planting one year of seedlings with different branch numbers
Through research and comparison, the main task of shaping and pruning in the first 5 years is artificial branch pulling, the artificial branch pulling accounts for more than one third of the annual labor amount, generally, 6-8 branch pulling workers are used in each acre of apple orchard in year, the calculation is 100 yuan per working day, the annual branch pulling cost is 600-. If the non-branch pulling technology is adopted, 3000-4000 yuan can be saved for each mu of fruit growers. In future, more than 15 million hectares of apple orchard in China each year can reach the renewal age limit. If the apple orchard is changed into a dwarfing orchard according to 50 percent of the updated area of the apple orchard, namely, the dwarfing apple orchard with more than 7.5 ten thousand hectares needs to be built every year, the cost of artificial branch pulling is saved according to each hectare by 4.5 ten thousand yuan to 6 ten thousand yuan. The artificial propagation technique of dwarfing apples is popularized, and the labor cost can be saved by 33.75-45 billion yuan each year in China.
The embodiments given above are preferable examples for implementing the present invention, and the present invention is not limited to the above-described embodiments. Any non-essential addition and replacement made by the technical characteristics of the technical scheme of the invention by a person skilled in the art belong to the protection scope of the invention.
Claims (4)
1. The spindle-shaped apple tree pruning method without artificial branch pulling is characterized by comprising the following operations:
1) selecting a multi-branch large seedling with horizontal branches to build a garden, wherein the large seedling is cultivated by selecting a dwarfing self-rooted stock or an intermediate stock, and when the seedling in a large seedling breeding garden grows to 70-80cm, spraying young leaves for 2-3 times by using a mixed solution of 80-time diluted Baofenling and 1% of codonopsis pilosula soaking solution by mass concentration to promote more than 10 horizontal branches;
spraying a mixed solution of 125ppm of naphthylacetic acid and 1% of radix sophorae flavescentis soaking solution to the seedlings in the big seedling breeding nursery in 8 months, and spraying a mixed solution of 75ppm of naphthylacetic acid and 1% of rhizoma coptidis soaking solution once at intervals of 1 week;
2) building a garden in spring for planting, wherein the planting density is 1-1.2 m of plant spacing, the row spacing is 3.5-4 m, and 138-198 plants are planted per mu by adopting a wide-row spacing and small-plant spacing cultivation mode;
after the seedlings are planted, spraying a mixed solution of baofengling diluted by 80 times and codonopsis pilosula soaking solution with the mass concentration of 1% on the central trunk extension branches for 2-3 times within 1-2 years, and promoting the upper parts of tree bodies to generate horizontal branches;
3) after planting, if the seedling has broken branches, the seedling is cut short from the broken parts; the branches which are not broken are cut into short sections with the length of more than 30 centimeters, and 80 percent of the cut lengths are reserved; the length is not short under 30 cm; the short section is required to be smooth;
4) in order to promote the growth of root systems in autumn and ensure the root systems to pass winter safely, a soil heap with the height of 10-15cm is cultivated at the root and stem part immediately after the frost is fallen for 11 months, and the diameter of the bottom of the soil heap is 25-30 cm;
5) when pruning is carried out in winter, a short pile with the length of 4cm is left on a big branch or a small branch with the upright angle and the length of more than 30cm for thinning and removing, and relatively horizontal or horizontal branching is promoted;
6) in the second year, the branches are allowed to bear fruits as early as possible, generally 3 to 5 apples are remained on each branch, and the branches are pressed below the level under the action of the gravity of the fruits;
7) then, artificial branch drawing is not carried out, and shaping and trimming are carried out according to the fusiform tree shape.
2. The method for spindle-shaped trimming of apple trees without artificial branch pulling according to claim 1, wherein the codonopsis pilosula soaking solution is prepared by pulverizing codonopsis pilosula into powder, then soaking the powder in water for 48 hours according to a ratio of 1:5, and collecting the extract for later use; before use, the mixture is diluted to 1 mass percent.
3. The spindle-shaped apple tree pruning method without artificial branch pulling according to claim 1, wherein the sophora flavescens soaking solution is prepared by crushing sophora flavescens into powder, then soaking in water for 48 hours according to a ratio of 1:5, collecting the extract for later use, and diluting to a mass concentration of 1% before use.
4. The method for spindle-shaped pruning of apple trees without artificial branch pulling according to claim 1, characterized in that the coptis chinensis soaking solution is prepared by crushing coptis chinensis into powder, then soaking in water for 48 hours according to the proportion of 1:3, collecting the extract for later use, and diluting the extract to 1 mass concentration before use.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113924914A (en) * | 2021-10-05 | 2022-01-14 | 李荣连 | Dwarfing high-efficiency close planting cultivation method for apples |
| CN115088547A (en) * | 2022-07-08 | 2022-09-23 | 烟台大为苗木有限公司 | High-yield cultivation method for vigorous stock apple trees |
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2021
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113924914A (en) * | 2021-10-05 | 2022-01-14 | 李荣连 | Dwarfing high-efficiency close planting cultivation method for apples |
| CN113924914B (en) * | 2021-10-05 | 2022-09-23 | 李荣连 | Dwarfing high-efficiency close planting cultivation method for apples |
| CN115088547A (en) * | 2022-07-08 | 2022-09-23 | 烟台大为苗木有限公司 | High-yield cultivation method for vigorous stock apple trees |
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