CN113892390A - Cherry seedling dwarfing cultivation method - Google Patents
Cherry seedling dwarfing cultivation method Download PDFInfo
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- CN113892390A CN113892390A CN202111331772.XA CN202111331772A CN113892390A CN 113892390 A CN113892390 A CN 113892390A CN 202111331772 A CN202111331772 A CN 202111331772A CN 113892390 A CN113892390 A CN 113892390A
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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
- A01D—HARVESTING; MOWING
- A01D45/00—Harvesting of standing crops
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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
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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
- 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
- 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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- 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
- Y02A40/28—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for farming
Abstract
The invention relates to a cherry seedling dwarfing cultivation method which comprises the steps of garden selection, land preparation and bed making, soil treatment, dwarfing and shaping, maintenance management and the like. The invention provides a cherry seedling dwarfing cultivation method, which increases the ornamental form of cherry, provides support for cherry dwarfing cultivation, and promotes the multipurpose development of cherry seedlings.
Description
(I) technical field
The invention relates to a cherry seedling dwarfing cultivation method.
(II) background of the invention
Cherry blossom (scientific name: Cerasus ssp.) is a general name of several plants in the genus of Prunus in the family of Rosaceae, and is named as "Tokyo cherry blossom", also called "Japanese cherry blossom", in the newly revised name of "Chinese plant record". The varieties of oriental cherries are quite various, the number of the oriental cherries is more than three hundred, about 150 wild oriental cherries are shared all over the world, and more than 50 Chinese oriental cherries are shared. In about 40 cherry blossom plant wild ancestors all over the world, 33 are native to China. Others are varieties derived by horticultural crosses. The cherry blossom is delicate and beautiful in color, is an important flower-viewing tree species in early spring, is commonly used for garden viewing and is deeply loved by the masses.
Disclosure of the invention
In order to promote the multipurpose development of cherry seedlings, the invention provides a cherry seedling dwarfing cultivation method.
The technical scheme adopted by the invention is as follows:
a cherry seedling dwarfing cultivation method comprises the following steps:
(1) selecting a nursery land: the slope of the nursery garden is preferably below 10 degrees, and a terraced field with the slope exceeding 25 degrees is selected, and the deep soil layer, fertile soil, subacidity to neutrality are required; the nursery is arranged in an area with convenient traffic, sufficient water source, good drainage and electric power guarantee, the nursery is forbidden to be arranged in a basic farmland, and continuous cropping is forbidden in a nursery where rosaceous plants such as cherry blossom and the like are planted in the previous crop. For producing edible oriental cherry, the environment quality of the production place should meet the NY/T391 regulation; the interplanting with tea, bamboo and fruit should ensure sufficient lighting and good ventilation, and pesticide and fertilizer should meet NY/T393 and NY/T394 regulations respectively.
(2) Soil preparation and bed making: the plowing depth is more than 20cm (the plowing depth in autumn (winter) is more than 25cm, the plowing depth in spring is more than 20 cm.), the bed width is 120-150 cm, and the bed height is 30-50 cm; deep ploughing, fine preparation and removal of foreign roots and stones are required.
(3) Soil treatment: before planting, adopting a medicament for disinfection treatment, uniformly spreading a base fertilizer, and ploughing and burying the base fertilizer into a plough layer; the medicament is one of the following or a mixture of two or more of the following: ferrous sulfate, quintozene, phoxim; organic fertilizer is applied to the nursery soil which is barren; mixing yellow soil with partial sand; slightly viscous mixed light sand; ensure that the soil quality meets the regulations of GB 15618-. The base fertilizer is mainly farmyard organic fertilizer and cake fertilizer, is uniformly applied, and is ploughed and buried in the plough layer. Generally, 1000kg of decomposed farmyard manure or 200kg of decomposed cake fertilizer is applied to each mu.
(4) Variety selection: selecting a variety with weak dominance and dryness, strong lateral branch germination capacity and dense flower quantity; cultivating edible oriental cherries, in particular to 'guanshan' oriental cherries;
(5) a propagation mode: cultivating clone nursery stocks in a grafting or cuttage mode;
(6) dwarfing and shaping: after sprouting the young shoots and before semi-lignification of the branches, pinching and topping the young shoots with the length of more than 5cm every 15 days; after the branches are semi-lignified, pruning the branches once per month by using a hedge trimmer in the growth period, and pruning only the vegetative branches after flower buds are differentiated; in the growth period, 20mg/L of paclobutrazol liquid medicine is used for watering roots, and the paclobutrazol liquid medicine is sprayed on the leaf surfaces 1 time per month or every 7 to 10 days; meanwhile, 0.5 percent potassium dihydrogen phosphate solution is sprayed on the leaf surfaces every 7 to 10 days to promote the growth, dwarfing and flower bud differentiation of lateral branches;
(7) maintenance management: properly controlling the water content in winter and spring, supplementing water in the morning and at night when the temperature is high in summer and autumn, and draining water in a rainy season in time to prevent waterlogging; the fertilizer application is mainly phosphorus-potassium fertilizer, is assisted by compound fertilizer, and can also use organic fertilizer or microbial fertilizer; keeping the garden to have good lighting, and shading and controlling the light of the seedlings bred in the current year at high temperature in summer; grafting in winter, and bagging the connector with a thin film until the connector is untied about 5cm from the top; through strengthening field management, the environment is taken place to control plant diseases and insect pests, strengthens the tree vigor, promotes the anti-plant disease and insect pest ability of oriental cherry.
The fertilizer management mainly comprises the steps of applying base fertilizer in a dormancy stage to promote tree vigor, applying additional fertilizer 10-15 days after young shoots stop growing to promote flower bud differentiation and supplementing fertilizer and rejuvenating after flowers, wherein the fertilizer is used according with NY/T394 regulations.
The disease and pest management is mainly characterized in that field management is enhanced, the disease and pest occurrence environment is controlled, the tree vigor is enhanced, and the disease and pest resistance of cherry blossom is improved. The physical prevention and control mainly comprises the steps of trapping and killing pests through an insecticidal lamp and a color plate. For producing edible oriental cherry, the pesticide application should meet NY/T393, and no pesticide is generally used within 1 month before picking.
The method is suitable for dwarfing culture of cherry blossoms for the purposes of cultivating edible, bonsai, cut flowers and dwarfing green seedlings.
Preferably, the propagation mode in the step (5) is grafting, and the specific method is as follows:
scion collection: cutting branches with plump bud eyes at the middle upper part of the periphery of a crown from a strong and good parent tree without diseases and insect pests as scions; the scions should be wrapped in moisture-keeping packages and are grafted at the same time;
selecting the rootstock: selecting seeding or tissue culture seedling with strong growth, developed root system and no disease and insect pest as stock with ground diameter over 1 cm; generally, the same species as the cultivar or a species having a high affinity for cherries, etc. is selected.
Grafting time: grafting in the middle of 2 months to 3 months in spring, and grafting in the middle of 9 months to 10 months in autumn; the grafting can also be carried out in plum rain season and winter, and the grafting is best in the winter dormancy stage.
The grafting method comprises the following steps: grafting is carried out on the stocks which are 10cm higher than the ground, and 3-5 buds are grafted on each stock.
Or, the propagation mode in the step (5) is cuttage, and the specific method is as follows:
collecting cutting slips: shearing current-year branches with plump bud eyes at the middle upper part of the periphery of a crown from a strong and disease and insect pest-free excellent mother tree, or selecting current-year branches close to a trunk and current-year strong bud strips with bud bases on a strong mother tree; the branches are cut and inserted at any time.
Cutting time: generally selecting plum rain season;
the cuttage method comprises the following steps: cutting into branch sections with the length of 8-12 cm, containing 1 leaf and 2-3 full buds, soaking in rooting powder, cutting in an arched shed, sealing with a film for moisture preservation for 45-50 days, uncovering the film, and covering the arched shed with a sunshade net for shading. When the potted landscape seedlings are to be cultivated, the sunny growth is controlled by using a cover net after young shoots sprout, and the branches are promoted to be bent naturally. The periphery of the cover net is fixed and straightened to ensure that the cover net is not jacked up by the nursery stock. After the new branches are semi-lignified, the height of the cover net is gradually raised, and the height of the cover net and the lifting gradient are determined according to the requirement of the bending degree.
Specifically, the medicament disinfection treatment method in the step (3) is as follows: 2kg of 30 percent ferrous sulfate aqueous solution is used per square meter and is evenly poured in the soil 7 days before sowing; or 2g to 4g of quintozene per square meter, mixing with a proper amount of fine soil, and scattering the fine soil in the soil; or 3g of 50% phoxim is used per square meter, mixed with a proper amount of fine soil, scattered into the soil, and covered with soil on the surface.
The outplanting mode comprises the following steps:
and (3) outplanting the nursery stock: seedlings are lifted in a dormant period or plum rain season and planted at any time. Transplanting with soil ball above 3 cm. The nursery stock can be delivered after qualified quarantine by quarantine departments before being shipped.
Cutting flowers and outplanting: branches are picked at the initial flowering phase to ensure sufficient buds of the branches, and no mechanical damage, no freezing damage, no plant diseases and insect pests exist. Packaging according to the thickness and length of flower branches in a grading way, preventing extrusion, and keeping low temperature and high humidity by using fresh-keeping measures such as fresh-keeping agent and bactericide.
And (3) flower outplanting: fresh flowers with qualified sensory forms such as color, smell, tissue form and the like are collected by using a clean, nontoxic and pollution-free collecting bag. The flower type can not be damaged by compaction in the collection process, and the flower can be naturally stretched. The collected fresh flowers are put in a shady place indoors in time to spread for heat dissipation, and the collected fresh flowers are spread for no more than 4 hours. The fresh flower collection should be operated safely without hurting people and trees. The edible oriental cherry should meet the specification of NY/T1506.
The invention has the following beneficial effects: the invention provides a cherry seedling dwarfing cultivation method, which provides support for cherry dwarfing cultivation and promotes the multipurpose development of cherry seedlings.
(IV) detailed description of the preferred embodiments
The invention will be further described with reference to specific examples, but the scope of the invention is not limited thereto:
example 1:
selection of land for nursery
1.1 the nursery is arranged in the area with convenient traffic, sufficient water source, good drainage and electric power guarantee, the nursery is forbidden to be arranged in the basic farmland, and the continuous cropping is forbidden in the nursery with rosaceous plants such as cherry blossom and the like as the previous crops.
1.2 the slope of the nursery is preferably below 10 deg., over 25 deg. ladder field. The soil layer is required to be deep, fertile, slightly acidic to neutral.
1.3 the production of edible cherry blossom, the environment quality of the production place should accord with NY/T391.
1.4 the pesticide and the fertilizer are interplanted with tea, bamboo and fruits, the lighting is ensured to be sufficient, the ventilation is good, and the pesticide and the fertilizer are respectively in accordance with NY/T393 and NY/T394.
Second, soil management
2.1 soil preparation bed
Deep ploughing, fine preparation and removal of foreign roots and stones are required. The plowing depth in autumn (winter) is more than 25cm, and the plowing depth in spring is more than 20 cm. The bed width is 120 cm-150 cm, and the bed height is 30 cm-50 cm.
5.2 soil treatment
Before planting, it should be disinfected by chemical, and can be used ferrous sulfate (2 kg of 30% water solution per square meter, uniformly poured in soil 7 days before sowing), pentachloronitrobenzene (2-4 g per square meter, mixed with proper amount of fine soil, scattered in soil), 50% phoxim (3 g per square meter, mixed with proper amount of fine soil, scattered in soil, covered with soil on surface), etc. Organic fertilizer is applied to the nursery soil which is barren; mixing yellow soil with partial sand; slightly viscous mixed light sand. Ensure that the soil quality meets the regulations of GB 15618-.
5.3 base fertilizer
The farmyard organic fertilizer and cake fertilizer are used as main materials, uniformly spread and buried in the plough layer. Generally, 1000kg of decomposed farmyard manure or 200kg of decomposed cake fertilizer is applied to each mu.
6 variety selection
Selecting the variety with the advantages of being suitable for growing, weak in trunk, strong in lateral branch sprouting and dense in flower quantity in the Ningbo area. The edible oriental cherry is cultivated, in particular to a 'Guanshan' oriental cherry.
7 mode of reproduction
And (3) cultivating clone seedlings by adopting grafting and cuttage modes.
7.1 grafting propagation
7.1.1 scion Collection
The branches with plump bud eyes at the middle upper part of the periphery of the crown are cut from a strong and good parent tree without diseases and insect pests to be used as the scions, and the scions are wrapped in a moisture-preserving manner and are grafted at any time.
7.1.2 rootstock selection
Selecting seeding or tissue culture seedling with strong growth, developed root system and no disease and insect pest as stock with ground diameter over 1 cm. Generally, the same species as the cultivar or a species having a high affinity for cherries, etc. is selected.
7.1.3 grafting time
The grafting is carried out in the middle ten days of spring from 2 to 3, in the middle ten days of autumn from 9 to 10, or in the rainy season and in winter, and the grafting is best in the dormant period in winter.
7.1.4 grafting method
Grafting is carried out on the stocks which are 10cm higher than the ground, and 3-5 buds are grafted on each stock.
2.2 cutting shoot propagation
2.2.1 Collection of cuttings
The current-year branches with plump bud eyes at the middle upper part of the periphery of the crown are cut from the strong and good parent trees without diseases and insect pests, and the current-year branches close to the trunk and the current-year strong bud strips growing at the base of the strong parent trees can also be selected. The branches are cut and inserted at any time.
2.2.2 cuttage time
The plum rain season is generally selected.
2.2.3 cuttage method
Cutting into branch segments with the length of 8-12 cm, containing 1 leaf and 2-3 full buds, soaking in rooting powder, and then cutting in an arched shed. And (5) sealing and moisturizing the inserted film for 45-50 days, and then uncovering the film. The arched shed is covered with a sunshade net for shading.
Three, dwarfing and shaping
3.1 pinching
And (4) after sprouting of the young shoots and before semi-lignification of the branches, pinching and topping the young shoots with the length of more than 5cm every 15 days.
3.2 pruning
After the branches are semi-lignified, pruning is carried out once a month by using a hedge trimmer in the growth period, and only pruning vegetative branches after flower buds are differentiated.
3.3 cover net
When the potted landscape seedlings are to be cultivated, the sunny growth is controlled by a cover net after young shoots sprout, and the branches are promoted to be bent naturally. The periphery of the cover net is fixed and straightened to ensure that the cover net is not jacked up by the nursery stock. After the new branches are semi-lignified, the height of the cover net is gradually raised, and the height of the cover net and the lifting gradient are determined according to the requirement of the bending degree.
3.4 chemical treatment
In the growth period, 20mg/L of paclobutrazol liquid medicine is used for watering roots, and the paclobutrazol liquid medicine is sprayed on the leaf surfaces 1 time per month or every 7 to 10 days; meanwhile, 0.5 percent potassium dihydrogen phosphate solution is sprayed on the leaf surfaces every 7 to 10 days to promote the growth, dwarfing and flower bud differentiation of lateral branches.
Fourthly, maintenance management
4.1 moisture management
The water quality meets the water quality requirements of GB 5084-2005 dry farming. Properly controlling the water content in winter and spring, supplementing water in the morning and at night in summer and autumn at high temperature, and draining water in time to prevent waterlogging in rainy season.
4.2 Fertilizer management
The phosphorus-potassium fertilizer is used as the main material, the compound fertilizer is used as the auxiliary material, and organic fertilizer or microbial fertilizer can also be used. Mainly applying base fertilizer to promote tree vigor in a dormancy stage, topdressing 10-15 days after young shoots stop growing to promote flower bud differentiation, and supplementing fertilizer and rejuvenating after flowers. The fertilizer application is in accordance with NY/T394 regulations.
4.3 light management
Keep the nursery land with good lighting. Cultivating the seedling with partial crown, and shading the lateral side. Shading and controlling light for the seedlings bred in the current year at high temperature in summer.
4.4 temperature management
Grafting in winter, and bagging the connector with a film until the connector is untied about 5cm from the top. Sowing, breeding, cutting in rainy season, and controlling temperature by using a sealed film arched shed until the film is uncovered about 10cm after the shoots are taken out. The flowering period is regulated, the plant is moved into a double-film greenhouse in the dormancy period to promote early flowering for about 1 month, and heat preservation equipment can also be used for promoting flowering.
4.5 Pest management
Green prevention and control are adhered to, and physical, chemical and biological comprehensive prevention and control are adopted. Mainly through strengthening field management, the environment takes place for the control plant diseases and insect pests, strengthens the tree vigor, promotes the anti disease and insect pest ability of oriental cherry. The physical prevention and control mainly comprises the steps of trapping and killing pests through an insecticidal lamp and a color plate. For producing edible oriental cherry, the pesticide application should meet NY/T393, and no pesticide is generally used within 1 month before picking.
Fifth, going out of nursery
5.1 Nursery outplanting
Seedlings are lifted in a dormant period or plum rain season and planted at any time. Transplanting with soil ball above 3 cm. The nursery stock can be delivered after qualified quarantine by quarantine departments before being shipped.
5.2 cut flowers out of the nursery
Branches are picked at the initial flowering phase to ensure sufficient buds of the branches, and no mechanical damage, no freezing damage, no plant diseases and insect pests exist. Packaging according to the thickness and length of flower branches in a grading way, preventing extrusion, and keeping low temperature and high humidity by using fresh-keeping measures such as fresh-keeping agent and bactericide.
5.3 flower outplanting
Fresh flowers with qualified sensory forms such as color, smell, tissue form and the like are collected by using a clean, nontoxic and pollution-free collecting bag. The flower type can not be damaged by compaction in the collection process, and the flower can be naturally stretched. The collected fresh flowers are put in a shady place indoors in time to spread for heat dissipation, and the collected fresh flowers are spread for no more than 4 hours. The fresh flower collection should be operated safely without hurting people and trees. The edible oriental cherry should meet the specification of NY/T1506.
Claims (4)
1. A cherry seedling dwarfing cultivation method comprises the following steps:
(1) selecting a nursery land: the slope of the nursery garden is preferably below 10 degrees, and a terraced field with the slope exceeding 25 degrees is selected, and the deep soil layer, fertile soil, subacidity to neutrality are required;
(2) soil preparation and bed making: the plowing depth is more than 20cm, the bed width is 120 cm-150 cm, and the bed height is 30 cm-50 cm;
(3) soil treatment: before planting, adopting a medicament for disinfection treatment, uniformly spreading a base fertilizer, and ploughing and burying the base fertilizer into a plough layer; the medicament is one of the following or a mixture of two or more of the following: ferrous sulfate, quintozene, phoxim;
(4) variety selection: selecting a variety with weak dominance and dryness, strong lateral branch germination capacity and dense flower quantity;
(5) a propagation mode: cultivating clone nursery stocks in a grafting or cuttage mode;
(6) dwarfing and shaping: after sprouting the young shoots and before semi-lignification of the branches, pinching and topping the young shoots with the length of more than 5cm every 15 days; after the branches are semi-lignified, pruning the branches once per month by using a hedge trimmer in the growth period, and pruning only the vegetative branches after flower buds are differentiated; in the growth period, 20mg/L of paclobutrazol liquid medicine is used for watering roots, and the paclobutrazol liquid medicine is sprayed on the leaf surfaces 1 time per month or every 7 to 10 days; meanwhile, 0.5 percent potassium dihydrogen phosphate solution is sprayed on the leaf surfaces every 7 to 10 days to promote the growth, dwarfing and flower bud differentiation of lateral branches;
(7) maintenance management: properly controlling the water content in winter and spring, supplementing water in the morning and at night when the temperature is high in summer and autumn, and draining water in a rainy season in time to prevent waterlogging; the fertilizer application is mainly phosphorus-potassium fertilizer and is assisted by compound fertilizer; keeping the garden to have good lighting, and shading and controlling the light of the seedlings bred in the current year at high temperature in summer; grafting in winter, and bagging the connector with a thin film until the connector is untied about 5cm from the top; through strengthening field management, the environment is taken place to control plant diseases and insect pests, strengthens the tree vigor, promotes the anti-plant disease and insect pest ability of oriental cherry.
2. The method according to claim 1, wherein the propagation mode in step (5) is grafting, and the specific method is as follows:
scion collection: cutting branches with plump bud eyes at the middle upper part of the periphery of a crown from a strong and good parent tree without diseases and insect pests as scions;
selecting the rootstock: selecting seeding or tissue culture seedling with strong growth, developed root system and no disease and insect pest as stock with ground diameter over 1 cm;
grafting time: grafting in the middle of 2 months to 3 months in spring, and grafting in the middle of 9 months to 10 months in autumn;
the grafting method comprises the following steps: grafting is carried out on the stocks which are 10cm higher than the ground, and 3-5 buds are grafted on each stock.
3. The method according to claim 1, wherein the propagation mode in step (5) is cutting, and the specific method is as follows:
collecting cutting slips: shearing current-year branches with plump bud eyes at the middle upper part of the periphery of a crown from a strong and disease and insect pest-free excellent mother tree, or selecting current-year branches close to a trunk and current-year strong bud strips with bud bases on a strong mother tree;
cutting time: selecting plum rain season;
the cuttage method comprises the following steps: cutting into branch sections with the length of 8-12 cm, containing 1 leaf and 2-3 full buds, soaking in rooting powder, cutting in an arched shed, sealing with a film for moisture preservation for 45-50 days, uncovering the film, and covering the arched shed with a sunshade net for shading.
4. The method according to claim 1, wherein the step (3) of sterilizing the agent is carried out by: 2kg of 30 percent ferrous sulfate aqueous solution is used per square meter and is evenly poured in the soil 7 days before sowing; or 2g to 4g of quintozene per square meter, mixing with a proper amount of fine soil, and scattering the fine soil in the soil; or 3g of 50% phoxim is used per square meter, mixed with a proper amount of fine soil, scattered into the soil, and covered with soil on the surface.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114080948A (en) * | 2021-11-17 | 2022-02-25 | 广东省林业科学研究院 | Method for dwarfing and flower promoting of eucalyptus urophylla |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114080948A (en) * | 2021-11-17 | 2022-02-25 | 广东省林业科学研究院 | Method for dwarfing and flower promoting of eucalyptus urophylla |
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