CN111011082B - Cultivation method for apple dwarfing strong seedlings with branches from root stock - Google Patents
Cultivation method for apple dwarfing strong seedlings with branches from root stock Download PDFInfo
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- CN111011082B CN111011082B CN201911197947.5A CN201911197947A CN111011082B CN 111011082 B CN111011082 B CN 111011082B CN 201911197947 A CN201911197947 A CN 201911197947A CN 111011082 B CN111011082 B CN 111011082B
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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
- A01G13/00—Protecting plants
- A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
- A01G13/0256—Ground coverings
- A01G13/0268—Mats or sheets, e.g. nets or fabrics
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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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- 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
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
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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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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N33/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds
- A01N33/16—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds containing nitrogen-to-oxygen bonds
- A01N33/18—Nitro compounds
- A01N33/20—Nitro compounds containing oxygen or sulfur attached to the carbon skeleton containing the nitro group
- A01N33/22—Nitro compounds containing oxygen or sulfur attached to the carbon skeleton containing the nitro group having at least one oxygen or sulfur atom and at least one nitro group directly attached to the same aromatic ring system
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/22—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom rings with more than six members
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/36—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings
- A01N43/38—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings condensed with carbocyclic rings
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N53/00—Biocides, pest repellants or attractants, or plant growth regulators containing cyclopropane carboxylic acids or derivatives thereof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
Abstract
The invention provides a cultivation method of dwarf apple seedlings with strong branches from root stocks, which comprises the following steps: 1) rotary tillage of the land by a rotary cultivator; 2) planting apple virus-free seedlings with the row spacing of 65cm and the plant spacing of 25 cm; 3) laying a drip irrigation pipe next to the apple seedlings; 4) paving 60cm wide gardening ground cloth in rows, and covering 5-10cm thick sawdust in gaps between adjacent gardening ground cloth; 5) continuously culturing until the length of the virus-free nursery stock reaches 1.7-1.8m and the number of branches reaches 3-12; 7) the length of the detoxified nursery stock reaches more than 1.7m, and water is controlled or a growth regulator is used for promoting the nursery stock to stop growing and defoliate, so that the dwarf apple strong seedlings with branches from the root stock are obtained. The cultivation method has the advantages of high planting speed, high water utilization efficiency, water conservation, labor conservation, time and labor conservation, and can cultivate strong seedlings with high uniformity and virus-free branches, and the rate of high-quality big seedlings (European fruit tree Association standard, 2A-level seedlings) is more than 60%.
Description
Technical Field
The invention belongs to the field of plant propagation, and particularly relates to a cultivation method for dwarfing apples and strengthening seedlings by branching from root stocks.
Background
The modern high-efficiency dwarf stock cultivation is the development direction of the world apple production, and apple seedlings with better branching conditions are easier to realize early high yield of an orchard after being planted, so that the dwarf stock cultivation method becomes a necessary condition for intensive cultivation of apples in developed countries. The method of low density planting, weed control by herbicide and branch promotion is adopted for the production and breeding of apple seedlings in developed countries such as America, Japan and Europe, and the like, high-quality dwarf self-rooted stock apple seedlings with early fruits and branches are produced, the dwarf self-rooted apple seedlings with branches are beneficial to early formation of apple saplings, flowers can grow in the same year after the orchard is built, a certain yield can be obtained in the second year, and the juvenile period of the seedlings can be greatly shortened, so that the prenatal investment of fruit growers is reduced. The apple seedling production in China still mainly adopts the breeding of vigorous stock and dwarfing interstock apple seedlings, the density is too high, the utilization rate of fertilizer and water is low, the seedling quality is poor, most of the seedlings are single-stem seedlings, the branches are few, the seedling diseases are serious, the number of the really obtained dwarfing self-rooted stock apple seedlings with high quality is very small (the height is more than 1.6m, the seedlings have more than 6 effective branches, the European fruit tree Association standard and the 2A grade seedlings) and the proportion is often less than 10 percent, so that not only is the serious economic pressure brought to the investment before fruit growers are produced, but also the rapid development of the apple industry in China is seriously hindered. At present, apple dwarfing self-rooted rootstock high-quality nursery stocks in China depend on import.
Disclosure of Invention
Aiming at the problems of laggard cultivation technology of apple commercial seedlings, poor seedling quality and more single-stem seedlings in China, reasonable planting density is adopted, a garden drip irrigation mode is combined, labor is saved while water and fertilizer are saved, a plant growth regulator A using a branch promoting agent is matched to promote reasonable branching, a method of controlling water and spraying a plant growth regulator B is adopted to control growth and defoliate, bud filling is promoted, and the seedling planting survival rate is improved.
The technical problem to be solved by the invention is realized by the following technical scheme:
a cultivation method of apple dwarfing strong seedlings with branches from root stocks comprises nursery planting and nursery management,
the nursery planting comprises:
1) apple grafted nursery stocks are distributed according to the line spacing of 65cm and the plant spacing of 25 cm;
2) laying a drip irrigation pipe close to the ground surface of the apple grafted nursery stock in the row direction;
3) paving fixed 60cm wide gardening ground cloth between rows, and covering 5-10cm thick sawdust in the gap between adjacent gardening ground cloth between rows;
the management of the nursery comprises:
a) watering and drip-irrigating until the height of the apple grafted nursery stock reaches 80-100cm, spraying the plant growth regulator A on the top end for the first time to promote branching, spraying the plant growth regulator A once when the nursery stock grows for 15-20cm, and stopping spraying the plant growth regulator A when the apple grafted nursery stock grows to 150 cm;
b) the height of the apple grafted nursery stock reaches 170-180cm, water is controlled, and a plant growth regulator B is sprayed on the top end to promote the nursery stock to stop growing and defoliate, so that the dwarf apple strong seedlings with branches from the root stock are obtained;
the growth regulator A is one or more of cyclamic acid amide, indoleacetic acid, compound sodium nitrophenolate, trans-zeatin and brassinolide; the growth regulator B is one or more of abscisic acid and urea with the concentration of more than 10%.
The water control means that the leaves are not wilted and not watered.
The drip irrigation pipe and the gardening ground fabric are fixed on the ground surface by adopting U-shaped nails.
The drip irrigation pipe is positioned at one side of the nursery stock and is 1-2cm away from the base of the nursery stock.
The drip irrigation pipe is fixed by a U-shaped nail every 10 m.
The weight of the gardening ground fabric per unit area is more than 100g/m2。
Preferably, the diameter of the drip irrigation pipe is 2-2.5cm, the diameter of a drip irrigation hole in the drip irrigation pipe is 1-1.5mm, and the water yield of the drip irrigation hole is 2-3L/h; the interval between adjacent drip irrigation holes is 12-15 cm.
The apple grafted nursery stock is a bud seedling stored in a refrigeration house, or an apple grafted nursery stock obtained by grafting a planted stock seedling.
The stock seedling is a tissue culture stock seedling of 8-10cm, a cuttage stock seedling or a dormant stock stored in a refrigerator.
The method comprises the following steps: planting apple virus-free stock seedlings according to the line spacing of 65cm and the plant spacing of 25cm, wherein the average thickness of basal stems of the stock seedlings reaches 6-14mm, and grafting virus-free apple varieties to obtain the apple virus-free stock seedlings.
The grafting method comprises the following steps: in winter and spring, the stock seedling is cultivated until the thickness of the base stem reaches 12-14mm, and a virus-free apple variety is grafted by adopting a grafting method; or in summer and autumn, the stock seedling is cultivated until the thickness of the base stem reaches 6-7mm, and the virus-free apple variety is grafted by adopting T-shaped bud grafting or embedded bud grafting.
The stock seedling selects a continuous cropping resistant detoxified self-root dwarfing stock.
Preferably C.G 935, C.G 41 or SH6, which have been detoxified.
The detoxified apple variety is Fuji, Gala, crimson, delicious or Xinnongjin.
The diameter of the apple grafted nursery stock in the step b) is 1.1-1.8cm, and the number of branches is 3-12.
According to the method provided by the invention, the planting density is reasonable, the nursery garden is ventilated and transparent, diseases and insect pests are not easy to generate, the nursery stock is robust, the branch development is facilitated, the quality of the nursery stock is ensured, and meanwhile, the land resources are fully utilized; water and fertilizer are saved by adopting drip irrigation and gardening cloth laying modes, manpower is saved, wood chips are covered in ground cloth gaps, weed growth is controlled, and organic recycling of waste branches in an orchard is realized; the branch promoting agent and the leaf removing agent for stopping growth are used in a matched mode to replace manual leaf picking and branch removing and manual leaf removing, labor is saved, more effective branches are promoted, seedling branches are full, and the planting survival rate is high.
The cultivation method provided by the invention has the following advantages:
1. compared with the ground fabric which is not covered or covered with the mulching film, the ground fabric for covering the garden can better inhibit the growth of weeds among rows; drip irrigation is laid under the gardening ground cloth, so that water and fertilizer are saved, and labor is saved; the gardening ground cloth can be recycled, and meanwhile, the soil pollution caused by the mulching film is avoided.
2. The adjacent ground cloth is fixed by U-shaped nails and covered with sawdust, so that the survival rate of seedling planting can be improved, the growth of weeds can be controlled, and the organic recycling of waste branches in the orchard can be realized.
3. The reasonable planting density of the invention combines the branch promoting agent and the growth stopping and defoliating agent, promotes the branching of the nursery stock and improves the proportion of high-quality big seedlings.
Drawings
FIG. 1 is a diagram of the apple detoxification tip grafting process in example 1,
the left diagram is nursery arrangement (drip irrigation pipe), and the right diagram is nursery stock with 1.6m height.
Detailed Description
The present invention will be described in further detail with reference to the following examples, which are provided for illustration only and are not intended to limit the scope of the present invention.
Example 1
The invention comprises the following steps:
1) in 2018, 4, 5, a rotary cultivator is adopted to carry out rotary tillage on the soil for 30 cm;
2) planting apples at the row spacing of 65cm and the plant spacing of 25cm, and detoxifying about 25cm of tissue culture rootstock C.G 935 seedlings;
3) laying a drip irrigation pipe next to the apple seedlings, and fixing the drip irrigation pipe by using a U-shaped nail every 10 m; (see the left in FIG. 1)
4) Paving 60cm wide gardening ground cloth in rows, connecting and fixing adjacent gardening ground cloth by using U-shaped nails, and covering 5-10cm thick sawdust in gaps between the adjacent gardening ground cloth;
control group: the planting method has the same planting density as that of the planting method, and no drip irrigation pipe or gardening ground cloth is laid; meanwhile, the contrast of the traditional management mode (flood irrigation, direct land exposure of the ground surface of the nursery) is set,
6, 6 months and 10 days in 2018, the average thickness of the base stem of the nursery stock reaches 6mm, and the apple virus-free Fuji is grafted;
in 2018, 8 months and 10 days, the average height of the seedlings reaches 100cm, and a plant growth regulator A (cyclanilide) is sprayed at the top end, and is sprayed once every 15-20cm long;
continuously culturing for 11 months until the average height of the seedlings reaches more than 1.7m and the number of branches reaches 3-5; (see the right-hand picture in FIG. 1)
The annual water consumption and the artificial weeding consumption are counted, and by adopting the method, 110 mu of irrigation water is used, and 4 workers are used for weeding per mu for one day; the traditional method uses 210 square of irrigation water per mu, and 20 workers per mu for weeding.
Meanwhile, the seedling of the invention has good growth vigor, the number of branches is 4-5, and the height of the seedling is more than 1.6m and accounts for about 50%; the contrast group is weak in growth, most branches are 3-4, the seedling height is more than 1.6m and accounts for about 40%, and the seedlings of the contrast group are slightly different.
Example 2
In 2018, 4, 3 months, rotary tillage is carried out on the soil for 30 cm;
the invention comprises the following steps: planting 4100 apple virus-free bud seedlings (Gongteng Fuji/C.G 935) stored in a refrigeration house at a row spacing of 65cm and a plant spacing of 25cm per mu;
laying a drip irrigation pipe next to the apple seedlings, and fixing the drip irrigation pipe by using a U-shaped nail every 10 m;
paving 60cm or 40cm wide gardening ground cloth in rows, connecting and fixing adjacent gardening ground cloth by using U-shaped nails, and covering 5-10cm thick sawdust in gaps between the adjacent gardening ground cloth;
control group: planting apple virus-free bud seedlings (Gongteng Fuji/C.G 935) stored in a refrigeration house at a row spacing of 45cm and a plant spacing of 18cm, wherein 8200 seedlings are planted per mu;
no drip irrigation pipe and no gardening ground cloth are laid; meanwhile, the contrast of the traditional management mode is set (flood irrigation, the ground surface of the nursery is directly exposed on the land);
the other arrangements and management methods are the same.
In 2018, 5, 28 months and 28 days, the average height of the seedlings reaches 80cm, the plant growth regulator mixture A (cyclanilide) is sprayed for the first time from the top, and then the seedlings are sprayed once every 20 cm;
in 2018, 8, 4 months and 4 days, the average height of the seedlings reaches 170cm, 7-12 reasonable branches are carried, water control is started, leaves are not wilted and watered, and a plant growth regulator B (abscisic acid) is sprayed on the top to control vigorous growth and promote defoliation;
continuously culturing for 11 months until the average height of the nursery stock reaches more than 1.8m, the number of branches reaches 8-12, and the branches of the nursery stock are full; the proportion of nursery stocks of different grades is counted, by adopting the method, the proportion of high-quality big seedlings (with the height of more than 1.6m and more than 6 effective branches, the European fruit tree Association standard, nursery stocks of more than 2A grade) is 65.47 percent, the amount of irrigation water for each mu is 120, and 4 people are used for weeding each mu for each day; the traditional planting density is only 13.26 percent of high-quality big seedlings, 220 square of irrigation water is used per mu, and 24 workers are used for weeding per mu per day.
Claims (9)
1. A cultivation method of apple dwarfing strong seedlings with branches from root stocks comprises nursery planting and nursery management,
the nursery planting comprises:
1) apple grafted nursery stocks are distributed according to the line spacing of 65cm and the plant spacing of 25 cm;
2) laying a drip irrigation pipe close to the ground surface of the apple grafted nursery stock in the row direction;
3) paving fixed 60cm wide gardening ground cloth between rows, and covering 5-10cm thick sawdust in the gap between adjacent gardening ground cloth between rows;
the management of the nursery comprises:
a) watering and drip-irrigating until the height of the apple grafted nursery stock reaches 80-100cm, spraying the plant growth regulator A on the top end for the first time to promote branching, spraying the plant growth regulator A once when the nursery stock grows for 15-20cm, and stopping spraying the plant growth regulator A when the apple grafted nursery stock grows to 150 cm;
b) the height of the apple grafted nursery stock reaches 170-180cm, water is controlled, and a plant growth regulator B is sprayed on the top end to promote the nursery stock to stop growing and defoliate, so that the dwarf apple strong seedlings with branches from the root stock are obtained;
the growth regulator A is one or more of cyclamic acid amide, indoleacetic acid, compound sodium nitrophenolate, trans-zeatin and brassinolide; the growth regulator B is one or more of abscisic acid and urea with the concentration of more than 10%;
the diameter of the apple grafted nursery stock in the step b) is 1.1-1.8cm, and the number of branches is 3-12; the water control means that the leaves are not wilted and not watered.
2. The cultivation method according to claim 1, wherein the drip irrigation pipe is positioned at one side of the nursery stock, 1-2cm from the base of the nursery stock; the drip irrigation pipe and the gardening ground fabric are fixed on the ground surface by adopting U-shaped nails.
3. The cultivation method as claimed in claim 2, wherein the drip irrigation pipe is fixed by staples every 10m, and the weight per unit area of the horticultural ground fabric is more than 100g/m2。
4. The cultivation method according to claim 1, wherein the diameter of the drip irrigation pipe is 2-2.5cm, the diameter of the drip irrigation hole on the drip irrigation pipe is 1-1.5mm, and the water yield of the drip irrigation hole is 2-3L/h; the interval between adjacent drip irrigation holes is 12-15 cm.
5. The cultivation method according to claim 1, wherein the apple grafted seedlings are freezer-stored sprouts or apple grafted seedlings obtained by grafting planted stock seedlings.
6. The cultivation method according to claim 5, wherein the stock seedling is a tissue culture stock seedling of 8-10cm, a cutting stock seedling or a dormant stock stored in a refrigerator.
7. The cultivation method of claim 1, wherein the apple grafted nursery stock is obtained by: planting apple virus-free stock seedlings according to the line spacing of 65cm and the plant spacing of 25cm, wherein the average thickness of basal stems of the stock seedlings reaches 6-14mm, and grafting virus-free apple varieties to obtain the apple virus-free stock seedlings.
8. The cultivation method according to claim 7, the grafting method being: in winter and spring, the stock seedling is cultivated until the thickness of the base stem reaches 12-14mm, and a virus-free apple variety is grafted by adopting a grafting method; or in summer and autumn, the stock seedling is cultivated until the thickness of the base stem reaches 6-7mm, and the virus-free apple variety is grafted by adopting T-shaped bud grafting or embedded bud grafting.
9. The cultivation method according to claim 8, the stock seedling is selected from continuous cropping resistant detoxified self-rooted dwarfing stock, the stock seedling variety is C.G 935, C.G 41 or SH6 after detoxication treatment; the detoxified apple variety is Fuji, Gala, crimson, delicious or Xinnongjin.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102577900A (en) * | 2012-01-18 | 2012-07-18 | 西北农林科技大学 | Breeding method of apple dwarf self-rooting multi-branch nursery stock |
| CN107318475A (en) * | 2017-07-12 | 2017-11-07 | 北京市农林科学院 | A kind of apple is from root anvil with branch big seedling cultivation method |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102577900A (en) * | 2012-01-18 | 2012-07-18 | 西北农林科技大学 | Breeding method of apple dwarf self-rooting multi-branch nursery stock |
| CN107318475A (en) * | 2017-07-12 | 2017-11-07 | 北京市农林科学院 | A kind of apple is from root anvil with branch big seedling cultivation method |
Non-Patent Citations (1)
| Title |
|---|
| 北京地区苹果矮砧栽培关键技术;郑书旗;《北方果树》;20190910;第21页第1栏 * |
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