CN114158365A - Method for cultivating camellia oleifera large seedlings - Google Patents
Method for cultivating camellia oleifera large seedlings Download PDFInfo
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- CN114158365A CN114158365A CN202111308346.4A CN202111308346A CN114158365A CN 114158365 A CN114158365 A CN 114158365A CN 202111308346 A CN202111308346 A CN 202111308346A CN 114158365 A CN114158365 A CN 114158365A
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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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
-
- 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
-
- 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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
-
- 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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
- A01G24/12—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material containing soil minerals
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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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
- A01G24/12—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material containing soil minerals
- A01G24/15—Calcined rock, e.g. perlite, vermiculite or clay aggregates
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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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
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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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/28—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing peat, moss or sphagnum
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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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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C11/00—Other nitrogenous fertilisers
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/20—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation using specific microorganisms or substances, e.g. enzymes, for activating or stimulating the treatment
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- 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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/40—Afforestation or reforestation
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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Abstract
The invention discloses a method for cultivating camellia oleifera large seedlings, and belongs to the technical field of agricultural planting. The method comprises the following technical steps: (1) cultivating cutting seedlings; (2) preparing a seedling culture substrate; (3) transplanting cutting seedlings; (4) placing seedling bags; (5) seedling management; (6) and (5) outplanting the nursery stock. The method improves the survival rate of the cutting seedlings, the obtained cutting seedlings are neat and robust, the seedling culture period is short, the seedlings of the big seedlings obtained after transplanting and culturing the cutting seedlings are good in quality, vigorous in growth, high in seedling height, symmetrical, full and regular in tree crowns, short in culture time, high in survival rate of transplanting after outplanting, good in afforestation effect and short in production time.
Description
Technical Field
The invention belongs to the technical field of agricultural planting, and particularly relates to a method for cultivating large seedlings of camellia oleifera.
Background
Camellia oleifera belongs to the genus Camellia of the family Theaceae and is a unique woody oil tree species in China. In China, the cultivation history of the oil tea is long, and the oil tea, the olive, the oil palm and the coconut are called four edible woody oil tree species in the world. The main product of the camellia oleifera, namely the camellia oil, is rich in unsaturated fatty acid, is edible, and can prevent cardiovascular diseases. The tea oil is not easy to be oxidized and deteriorated, and has strong absorption effect on ultraviolet rays, so the tea oil can also be applied to skin care products. Tea oil is known as "oriental olive oil" because of its high economic value.
The camellia oleifera is a new camellia oleifera species discovered in recent years, and has the excellent characteristics of rapid growth, strong germination, easy cultivation, strong resistance, high yield, excellent oil quality and the like. And the tree form is beautiful, the flower fragrance is strong, the plant can be used as oil crop tree species and ornamental tree species simultaneously, and the development prospect is wide. At present, no report about a cultivation method of camellia oleifera large seedlings is found.
Patent publication No. CN 111837783A discloses a tea-oil tree big cup seedling cultivation method, the seedling height of the 2-year-old tea-oil tree big cup seedling cultivated by the method is 50cm, the ground diameter is more than 0.6cm, more than 5 branches are provided, the crown width is more than 20cm multiplied by 20cm, the seedling quality is good, the survival rate of the forestation after the nursery is grown is high, but the following problems still exist in the subsequent popularization and planting: firstly, the seedling bags are not reasonably arranged, the seedling bags are compactly arranged, the seedling intervals are dense, the cultivation space can be saved, but the seedling cannot obtain sufficient sunlight due to limited growth space of the seedling, the nutrients are insufficient, the air is not circulated, the diseases and insect pests are easy to breed, the seedling grows slowly, the cultivation time is long, and the growth vigor is not vigorous enough; secondly, only yellow mud is used as a cutting medium, the watering medium is easy to harden after cutting, the air permeability is not good enough, sufficient nutrients and water cannot be provided for cutting slips, the survival rate of cutting seedlings is not high enough, and the seedling culture period is slightly long; and thirdly, the seedling culture medium is yellow mud and decomposed organic fertilizer, the water retention and air permeability of the yellow mud are not good enough, the growth and development of the seedlings are not good enough, the growth vigor is not vigorous enough, the seedlings are not high enough, and the crowns are not full.
Therefore, in order to promote the planting of the camellia oleifera and meet the requirement of camellia oleifera seedling resources, an improved cultivation method of camellia oleifera large cup seedlings is urgently needed, so that the camellia oleifera large seedlings with better seedling quality are obtained.
Disclosure of Invention
Aiming at the problems, the invention provides a camellia oleifera large seedling cultivation method, which comprises the steps of cutting seedling cultivation, seedling medium preparation, cutting seedling transplantation, seedling bag arrangement, seedling management and nursery stock outplanting, so that the survival rate of cutting seedlings is high, the cutting seedlings are tidy and robust, the seedlings of the large seedlings cultivated by the cutting seedling transplantation are good in quality, vigorous in growth, high in seedling height, symmetrical, full and regular in crown, short in cultivation time, high in survival rate of outplanting transplantation, good in afforestation effect and short in production time.
The invention is realized by the following technical scheme:
a method for cultivating big seedlings of camellia oleifera includes the following steps:
(1) cultivating cutting seedlings: paving a cutting matrix on a seedbed in a greenhouse, selecting semi-lignified camellia oleifera twigs which are free of plant diseases and insect pests and have full bud eyes as cutting slips, soaking the cutting slips in a rooting agent for 20-30min, and then cutting to obtain cutting seedlings;
(2) preparing a seedling culture substrate: the seedling substrate is divided into three layers of substrates, namely a bottom substrate, a middle substrate and an upper substrate, and after the seedling substrate is prepared, the seedling substrate is uniformly sprayed with 0.2-0.5% potassium permanganate solution for disinfection for later use;
(3) transplanting cutting seedlings: after the cutting seedlings in the step (1) are cultivated for 7-8 months, selecting the cutting seedlings which are stable in growth, thick in main roots, developed in root systems and free of diseases and insect pests, trimming the roots of the cutting seedlings, trimming 1/6-1/5 with the length being the length of the main roots, trimming the diseased roots and the cut roots, and sterilizing; selecting a seedling raising bag, filling the bottom layer matrix prepared in the step (2) and the middle layer matrix of 1/3-1/2 from bottom to top in the seedling raising bag, transplanting the cutting seedlings to the seedling raising bag, filling the residual middle layer matrix and the residual upper layer matrix, compacting the seedling raising matrix, and then pouring enough root fixing water;
(4) placing seedling bags: the seedling raising bags are placed on the seedling raising ridges in order, two rows of seedling raising bags are placed next to each other on each row of seedling raising ridges, each two rows of seedling raising ridges form a group, and the seedling raising ridges in each group are interlaced at intervals; a tool row is arranged between every two adjacent groups of seedling ridges; raising the seedling ridges which are easy to accumulate water, heightening and placing the seedling bags, and deeply burying the seedling ridges in the bottom of the seedling bags;
(5) seedling management:
managing fertilizer and water: after the cutting seedlings are transplanted into seedling bags, a sunshade net with the shading rate of 50-60% is built on seedling ridges, water is poured on the seedlings once every 5-20 days, the water content of a seedling substrate is kept to be 40-50%, and leaf fertilizer is applied every 20-30 days; after the roots are planted for 30-40 days and are stable, the sunshade net is removed, and normal water and fertilizer management is carried out;
secondly, trimming and shaping: when the nursery stock is trimmed in spring and summer, removing lateral buds or lateral branches on the nursery stock, wherein the lateral buds or the lateral branches grow in competition with terminal buds, and retracting the lateral branches which grow excessively; when the nursery stock is trimmed in autumn, the growth vigor of the nursery stock on the nursery stock substrate is controlled, the growth proportion of the nursery stock is changed, and lateral branches are left as protective branches;
(6) and (3) outplanting the nursery stock: after the seedlings grow for 8-10 months, the seedlings are higher than 1.1m, the ground diameter is more than 1.2cm, more than 11 branches are formed, and the crown width is more than 40cm multiplied by 40cm, so that the large seedlings of the scented oil tea can be cultivated to be out of the garden for forestation.
Further, in the step (2), a bottom substrate in the seedling substrate is formed by mixing loess, fine sand and quicklime according to the mass ratio of 1:2-5:0.1-0.2, a middle substrate is formed by mixing turfy soil, humus soil, decomposed organic fertilizer and a water-retaining agent according to the mass ratio of 1:3-5:0.2-0.4:0.05-0.1, and an upper substrate is formed by mixing loess and fine sand according to the mass ratio of 2-3: 1.
Further, the water-retaining agent is prepared by mixing polyvinyl alcohol and carboxymethyl cellulose according to the mass ratio of 1: 1-3.
Further, the decomposed organic fertilizer is prepared by composting and fermenting the following raw materials in parts by weight: 5-10 parts of corn straw, 2-3 parts of soybean meal, 1-3 parts of plant ash, 4-8 parts of livestock and poultry manure, 1-2 parts of composite microbial inoculum and 1-2 parts of composite amino acid.
Further, in the step (1), the cutting medium is prepared by mixing the following raw materials in parts by weight: 2-4 parts of loess, 3-7 parts of humus, 2-3 parts of carbonized rice hulls, 1-2 parts of coarse sand and 1-2 parts of perlite; the rooting agent is prepared by mixing rooting powder, 6-benzyladenine and 2, 4-dichlorophenoxyacetic acid according to the mass ratio of 1:2-4: 0.2-0.5.
Further, in the step (1), the humidity in the greenhouse is kept between 80 and 90 percent, the temperature is kept between 25 and 28 ℃, and the shading rate is kept between 60 and 70 percent in the cutting seedling cultivation process.
Further, in the step (5), the foliar fertilizer is prepared by mixing monopotassium phosphate, urea and boric acid according to the mass ratio of 1-2:1: 0.2-0.3.
Further, in the step (4), the specification of the seedling ridges is that the width is 30-50cm, and the length is selected according to the terrain and is 15-25cm higher than the ground; the width of the alternate lines is 30-40 cm; the width of the tool row is 60-80 cm.
Further, in the step (3), the seedling raising bag is a non-woven fabric seedling raising bag, and the specification is that the diameter is 10-15cm and the height is 14-18 cm.
Further, the variety of the camellia oleifera is any one of the bred Yilu, Yidan and Zijuan.
Compared with the prior art, the invention has the advantages and beneficial effects that:
1. according to the invention, through the cutting seedling cultivation process, the cutting survival rate is high, the cutting seedling survival rate is as high as 98.90%, the cutting seedling cultivation period is short, the seedlings are neat and robust, the cutting seedlings are transplanted and cultivated into big seedlings, the seedlings grow fast and robust, the quality of the seedlings is good, the seedlings can be transplanted out of the nursery after being cultivated for about 15 months, the cultivation time is greatly shortened, and the survival rate of the transplanting out of the nursery is high. After 2 years of nursery stock cultivation, the height is 1.5m, the ground diameter is more than 1.6cm, the afforestation effect is good, and the time for production is short.
2. The seedling cultivation method reasonably sets the arrangement mode of the seedling cultivation bags, arranges the seedlings at large intervals, ensures that the width of the alternate lines between the seedling cultivation ridges is 30-40cm, can reduce mutual extrusion of the seedlings by adjusting the seedling cultivation density, increases air circulation, reduces the breeding of plant diseases and insect pests, ensures that the seedlings can obtain sufficient sunlight, and has the advantages of fast seedling growth, vigorous growth, short cultivation time, high survival rate of transplanting after leaving a nursery and short afforestation time. The seedlings of the camellia oleifera big seedlings obtained after two years of cultivation have the height of more than 1.5m, the ground diameter of more than 1.6cm, the crowns are uniform, full and regular, the afforestation effect is good, and the production time is short. The width of the tool rows between the seedling ridges is 60-80cm, so that the transportation of tools and the management of seedlings, such as trimming, pesticide application and the like, are facilitated, and the management is convenient.
3. The seedling raising substrate sequentially comprises a bottom substrate, a middle substrate and an upper substrate from bottom to top, wherein the bottom substrate consists of quicklime, fine sand and loess, and the quicklime has a good sterilization and deinsectization effect, can effectively inhibit the movement of plant diseases and insect pests at the bottom of a seedling raising bag, and can protect the roots of seedlings; the fine sand has good air permeability, and prevents the seedling from rotting the roots. The medium layer matrix consists of turfy soil, humus soil, decomposed organic fertilizer and water-retaining agent, the turfy soil is rich in moisture, humus and mineral substances, has strong permeability and can effectively promote the growth and development of the nursery stock; the humus soil is loose, permeable and good in air permeability, has good water and fertilizer retention capacity, is porous, is not easy to harden after long-term use, is rich in organic matters, humic acid, vitamins, trace elements and the like, and can promote the growth and development of seedlings; the decomposed organic fertilizer contains organic matters, humic acid, amino acid, trace elements and the like, can promote the growth and development of the nursery stock, has good water and air permeability after decomposition treatment, can increase the porosity and porosity of a seedling culture substrate, can fully keep the root system of the nursery stock to absorb more water and nutrients in the growth period, and promotes the healthy growth of the nursery stock; the water-retaining agent has a slow-release effect on effective components in the seedling raising matrix, enhances the water-retaining capacity of the seedling raising matrix and promotes the growth and development of seedlings. The upper-layer matrix consists of loess and fine sand, and the loess soil has good structure, can well protect the nursery stock and reduce the water loss; the fine sand has strong air permeability, and can increase the air permeability of the matrix. The seedling culture medium disclosed by the invention is high in nutrient content, good in air permeability and strong in water retention capacity, can be used for improving good conditions for the growth of camellia oleifera cutting seedlings, and is short in seedling culture time, so that the obtained camellia oleifera large seedlings are good in quality, vigorous in growth, high in seedling height, high in survival rate of the cutting seedlings, good in forestation effect and short in production time.
4. The cutting substrate consists of loess, humus, carbonized rice hulls, coarse sand and perlite, wherein the loess hardly contains harmful germs and the like, so that the cutting slips can root, the roots of cutting seedlings are protected, and the water loss is reduced; the coarse sand has strong air permeability, so that the air permeability of the cutting medium can be increased; the humus soil is loose in texture, permeable and good in air permeability, has good water and fertilizer retention capacity, is porous, is not easy to harden after long-term use, is rich in organic matters, humic acid, vitamins, trace elements and the like, and can promote the growth and development of cutting seedlings; the porous property of the carbonized rice husk pine ensures good ventilation, increases the oxygen supply of roots, enhances the water retention capacity of the cutting medium and also enhances the disease resistance of cutting seedlings; the perlite can increase the porosity, air permeability and water absorption of the cutting medium, and is beneficial to the rooting of the cutting slips. The cuttage substrate disclosed by the invention contains rich nutrient substances and beneficial biological active components, is good in air permeability and heat and moisture preservation, is beneficial to cutting shoot rooting, promotes root development and root development, has a high cuttage survival rate, is short in cultivation period, and is neat and robust in seedlings.
5. The rooting agent consists of rooting powder, 6-benzyladenine and 2, 4-dichlorophenoxyacetic acid, wherein the rooting powder mainly comprises indoleacetic acid, sodium naphthaleneacetate and the like, and can promote the differentiation of root cells of cuttings and accelerate the growth and development of root systems, so that the plant root systems are large and strong and have more root hairs; 6-benzyladenine can promote rooting, improve the survival rate of cutting seedlings, induce lateral bud germination and promote branching; the 2, 4-dichlorphenoxyacetic acid can promote the cutting slips to root early and increase the number and the length of the cutting slips. The rooting agent can effectively promote the division of cutting shoot cells and activate cambium cells, so that the cut forms callus in a short time, the rooting is quickly induced, the seedling culture period is shortened, the rooting agent also has the functions of sterilization and disinfection, and the survival rate of cutting is effectively improved.
6. The temperature, the humidity and the shading rate in the greenhouse are strictly controlled in the cutting seedling cultivation process, the humidity in the greenhouse is kept between 80 and 90 percent, the temperature is between 25 and 28 ℃, and the shading rate is between 60 and 70 percent, so that the survival rate of cutting can be effectively improved, the situation that the cut of the cutting slips is easily infected by germs due to high temperature and high humidity and is rotten can be avoided, meanwhile, the humidity control can keep the cutting matrix moist, the situation that the cutting slips with overlarge humidity are damaged by germs to lose rooting power and the humidity is too low to be favorable for the rooting of the cutting slips can be avoided, the rooting growth of the cutting slips can be effectively promoted, and the survival rate of cutting can be improved.
7. The foliar fertilizer applied after the cuttage seedlings are transplanted can promote the growth and development of root systems, enhance the resistance and disease resistance of plants, improve the canopy structure, increase the leaf area index, enhance the photosynthesis of the plants, strengthen the plants and ensure vigorous growth of the plants.
8. The invention uses potassium permanganate solution to spray the substrate evenly, which not only has the function of sterilization and disinfection to the seedling substrate, but also avoids the infection of the transplanted cutting seedling by bacteria, and the invention also contains two nutrient elements which are necessary for the growth and development of potassium and manganese plants, and can promote the growth and development of the seedling.
9. By pruning, the invention can ensure that branches are uniformly distributed, ventilate and transmit light, increase the nutrition of main branches of the nursery stock, ensure the nutrition balance and normal growth of the nursery stock, and improve the cold and stress resistance of the nursery stock, thereby improving the outplanting and transplanting survival rate of the nursery stock, ensuring good illumination condition of the plant, promoting the pulling and strengthening of branch tips, improving photosynthesis, promoting the accumulation of nutrients, accelerating the growth speed of the nursery stock, shortening the cultivation time of the nursery stock and enabling the nursery stock to be outplanted and forested as soon as possible.
Drawings
Fig. 1 is a schematic view showing the placement of a seedling raising bag in embodiment 1 of the present invention.
Fig. 2 is a diagram of a seedling raising ridge heightening and placing seedling raising bag with water accumulation tendency in embodiment 1 of the invention.
FIG. 3 is a bottom view of a dry ridge deep-buried seedling raising bag in example 2 of the present invention.
In fig. 1: 1-seedling raising bag, 2-seedling raising ridge, 3-channel crossing line, 4-interval interlacing and 5-tool line.
Detailed Description
The present invention is further illustrated by the following examples, which are provided only for illustrating the present invention and are not intended to limit the scope of the present invention.
Example 1
A method for cultivating big seedlings of camellia oleifera includes the following steps:
(1) cultivating cutting seedlings: in spring 3 months, paving a cutting matrix on a seedbed in a greenhouse, selecting semi-lignified tender branches of Yilu variety with no plant diseases and insect pests and full bud eyes as cutting slips, soaking the cutting slips for 25min by using a rooting agent formed by mixing rooting powder, 6-benzyl adenine and 2, 4-dichlorophenoxyacetic acid according to the mass ratio of 1:2:0.3, cutting, and cultivating into cutting seedlings, wherein the humidity in the greenhouse is kept at 85%, the temperature is 25 ℃, and the shading rate is 70%;
(2) preparing a seedling culture substrate: the seedling culture substrate is divided into three layers of substrates, namely a bottom substrate, a middle substrate and an upper substrate, wherein the bottom substrate is formed by mixing loess, fine sand and quicklime according to the mass ratio of 1:2:0.1, the middle substrate is formed by mixing turfy soil, humus soil, a decomposed organic fertilizer and a water-retaining agent according to the mass ratio of 1:5:0.2:0.07, the water-retaining agent is formed by mixing polyvinyl alcohol and carboxymethyl cellulose according to the mass ratio of 1:2, and the decomposed organic fertilizer is formed by composting and fermenting the following raw materials in parts by weight: 10 parts of corn straw, 2 parts of bean pulp, 1 part of plant ash, 5 parts of livestock manure, 1 part of composite microbial inoculum and 1 part of composite amino acid, wherein the upper-layer matrix is formed by mixing loess and fine sand according to the mass ratio of 3:1, and after the matrix is prepared, the matrix is uniformly sprayed with 0.3% potassium permanganate solution for disinfection for later use;
(3) transplanting cutting seedlings: after the cutting seedlings in the step (1) are cultivated for 7 months, selecting the cutting seedlings which are stable in growth, strong in main roots, developed in root systems and free of diseases and insect pests from the beginning of 11 months at the bottom of 10 months in autumn, trimming the roots of the cutting seedlings, trimming 1/6-1/5 with the length being the length of the main roots, trimming diseased roots and cut roots, and sterilizing; selecting a non-woven fabric seedling raising bag with the specification of 12cm in diameter and 15cm in height, filling the bottom layer matrix prepared in the step (2) and the middle layer matrix of 1/3 in the seedling raising bag from bottom to top, transplanting the cutting seedlings into the seedling raising bag, filling the rest middle layer matrix and the rest upper layer matrix, compacting the seedling raising matrix, and then sufficiently spraying root fixing water;
(4) placing seedling bags: as shown in fig. 1, the seedling raising bags 1 are neatly placed on seedling raising ridges 2 of a seedling raising base, passageway rows 3 are arranged on two sides of the seedling raising base, the specification of the seedling raising ridges 2 is 45cm in width, 9m in length and 20cm above the ground, two rows of the seedling raising bags 1 are placed on one row of the seedling raising ridges 2 next to each other, two rows of the seedling raising bags 1 are placed on each row of the seedling raising ridges 2 next to each other, every two rows of the seedling raising ridges 2 are in a group, the seedling raising ridges 2 in each group are separated by 4 lines, and the width of the separated lines 4 is 35 cm; a tool row 5 is arranged between every two adjacent groups of seedling ridges 2, and the width of the tool row is 75 cm; raising ridges which are easy to accumulate water are raised to place raising bags as shown in figure 2;
(5) seedling management:
managing fertilizer and water: after the cutting seedlings are transplanted into seedling bags, a sunshade net with shading rate of 60% is built on seedling ridges, water is poured once every 10 days, the water content of a seedling substrate is kept at 45%, and leaf fertilizer formed by mixing monopotassium phosphate, urea and boric acid according to the mass ratio of 2:1:0.2 is applied every 20 days; after 35 days of planting, the root system is stable, the sunshade net is removed, and normal water and fertilizer management is carried out;
secondly, trimming and shaping: in the next year, when the nursery stock is trimmed in spring, the lateral buds or lateral branches on the nursery stock, which compete with the terminal buds for growth, are removed, and then the lateral branches which are overgrown are retracted;
(6) and (3) outplanting the nursery stock: after the seedlings grow for 8 months, the height of the seedlings is 1.1m, the ground diameter is more than 1.2cm, more than 11 branches are formed, and the crown width is 40cm multiplied by 40cm, so that the large seedlings of the scented oil tea can be cultivated to be out of the nursery for afforestation.
Example 2
A method for cultivating big seedlings of camellia oleifera includes the following steps:
(1) cultivating cutting seedlings: in autumn 9 months, paving a cutting matrix on a seedbed in a greenhouse, selecting tender branches of a semi-lignified Yidan variety with no plant diseases and insect pests and full bud eyes as cutting slips, soaking the cutting slips for 20min by using a rooting agent formed by mixing rooting powder, 6-benzyl adenine and 2, 4-dichlorophenoxyacetic acid according to the mass ratio of 1:3:0.5, cutting, and cultivating into cutting seedlings, wherein the humidity in the greenhouse is kept at 80%, the temperature is 25 ℃, and the shading rate is 65% in the cultivation process;
(2) preparing a seedling culture substrate: the seedling raising substrate is divided into three layers of substrates, namely a bottom substrate, a middle substrate and an upper substrate, wherein the bottom substrate is formed by mixing loess, fine sand and quicklime according to the mass ratio of 1:4:0.2, the middle substrate is formed by mixing turfy soil, humus soil, a decomposed organic fertilizer and a water-retaining agent according to the mass ratio of 1:3:0.3:0.05, the water-retaining agent is formed by mixing polyvinyl alcohol and carboxymethyl cellulose according to the mass ratio of 1:1, and the decomposed organic fertilizer is formed by composting and fermenting the following raw materials in parts by weight: 8 parts of corn straws, 3 parts of bean pulp, 2 parts of plant ash, 6 parts of livestock manure, 2 parts of a compound microbial inoculum and 2 parts of compound amino acid, wherein the upper-layer matrix is formed by mixing loess and fine sand according to the mass ratio of 2:1, and after the matrix is prepared, the matrix is uniformly sprayed with a 0.5% potassium permanganate solution for disinfection for later use;
(3) transplanting cutting seedlings: after the cutting seedlings in the step (1) are cultivated for 8 months, selecting the cutting seedlings which are stable in growth, strong in main roots, developed in root systems and free of diseases and insect pests in 4 months in the next spring, trimming the roots of the cutting seedlings, trimming 1/5 with the length being the length of the main roots, trimming the diseased roots and the cut roots, and sterilizing; selecting a non-woven fabric seedling raising bag with the specification of 10cm in diameter and 14cm in height, filling the bottom layer matrix prepared in the step (2) and the middle layer matrix of 1/3 in the seedling raising bag from bottom to top, transplanting the cutting seedlings into the seedling raising bag, filling the rest middle layer matrix and the rest upper layer matrix, compacting the seedling raising matrix, and then sufficiently spraying root fixing water;
(4) placing seedling bags: the seedling raising bags are placed on seedling raising ridges of a seedling raising base in order, the two sides of the seedling raising base are provided with passageway lines, the specification of the seedling raising ridges is that the width is 30cm, the length is 8m, the width is 15cm higher than the ground, two rows of seedling raising bags are placed on one row of seedling raising ridges in a close-to-close manner, two rows of seedling raising bags are placed on each row of seedling raising ridges in a close-to-close manner, every two rows of seedling raising ridges are in a group, the seedling raising ridges in each group are separated by one interlaced line, and the width of the interlaced lines is 30 cm; a tool row is arranged between every two adjacent groups of seedling ridges, and the width of the tool row is 60 cm; the bottom of the seedling raising bag is deeply buried in the dry seedling raising ridges as shown in figure 3;
(5) seedling management:
managing fertilizer and water: after the cutting seedlings are transplanted into seedling bags, a sunshade net with the shading rate of 50% is built on seedling ridges, the seedlings are watered once every 5 days, the water content of a seedling substrate is kept to be 40%, and leaf fertilizer formed by mixing monopotassium phosphate, urea and boric acid according to the mass ratio of 1:1:0.3 is applied every 25 days; after the roots are planted for 32 days and are stable, the sunshade net is removed, and normal water and fertilizer management is carried out;
secondly, trimming and shaping: in the next year, when the nursery stock is trimmed in autumn, the growth vigor of the upper part of the nursery stock seedling raising matrix is controlled, the growth proportion of the nursery stock is changed, and lateral branches are left as protective branches;
(6) and (3) outplanting the nursery stock: after the seedlings grow for 8 months, the height of the seedlings is 1.1m, the ground diameter is more than 1.2cm, more than 11 branches are formed, and the crown width is 40cm multiplied by 40cm, so that the large seedlings of the scented oil tea can be cultivated to be out of the nursery for afforestation.
Example 3
A method for cultivating big seedlings of camellia oleifera includes the following steps:
(1) cultivating cutting seedlings: in spring 3 months, paving a cutting matrix on a seedbed in a greenhouse, selecting tender branches of semi-lignified Zianjuan varieties without plant diseases and insect pests and with plump bud eyes as cutting slips, soaking the cutting slips for 23min by using a rooting agent formed by mixing rooting powder, 6-benzyl adenine and 2, 4-dichlorophenoxyacetic acid according to the mass ratio of 1:4:0.2, cutting, and cultivating into cutting seedlings, wherein the humidity in the greenhouse is kept at 90%, the temperature is 27 ℃, and the shading rate is 62%;
(2) preparing a seedling culture substrate: the seedling culture substrate is divided into three layers of substrates, namely a bottom substrate, a middle substrate and an upper substrate, wherein the bottom substrate is formed by mixing loess, fine sand and quicklime according to the mass ratio of 1:5:0.1, the middle substrate is formed by mixing turfy soil, humus soil, a decomposed organic fertilizer and a water-retaining agent according to the mass ratio of 1:4:0.2:0.05, the water-retaining agent is formed by mixing polyvinyl alcohol and carboxymethyl cellulose according to the mass ratio of 1:3, and the decomposed organic fertilizer is formed by composting and fermenting the following raw materials in parts by weight: 5 parts of corn straws, 3 parts of bean pulp, 2 parts of plant ash, 8 parts of livestock and poultry manure, 2 parts of a compound microbial inoculum and 1 part of compound amino acid, wherein the upper-layer matrix is formed by mixing loess and fine sand according to the mass ratio of 2:1, and after the matrix is prepared, the matrix is uniformly sprayed with a 0.3% potassium permanganate solution for disinfection for later use;
(3) transplanting cutting seedlings: after the cutting seedlings in the step (1) are cultivated for 8 months, selecting the cutting seedlings which are stable in growth, thick in main roots, developed in root systems and free of diseases and insect pests in 11 months in autumn, trimming the roots of the cutting seedlings, trimming 1/5 with the length being the length of the main roots, trimming the diseased roots and the cut roots, and sterilizing; preparing a non-woven fabric seedling raising bag, wherein the diameter of the non-woven fabric seedling raising bag is 15cm, the height of the non-woven fabric seedling raising bag is 18cm, the bottom layer matrix prepared in the step (2) and the middle layer matrix of 1/2 are filled in the seedling raising bag from bottom to top, then the cutting seedlings are transplanted into the seedling raising bag, the rest middle layer matrix and the rest upper layer matrix are filled, the seedling raising matrix is compacted, and then sufficient root fixing water is sprayed;
(4) placing seedling bags: the seedling raising bags are placed on seedling raising ridges of a seedling raising base in order, the two sides of the seedling raising base are provided with passageway lines, the specification of the seedling raising ridges is 50cm in width, 10m in length and 25cm higher than the ground, two rows of seedling raising bags are placed on one row of seedling raising ridges in a close-to-close manner, two rows of seedling raising bags are placed on each row of seedling raising ridges in a close-to-close manner, every two rows of seedling raising ridges are in a group, the seedling raising ridges in each group are separated by one interlaced line, and the width of the interlaced lines is 40 cm; a tool row is arranged between every two adjacent groups of seedling ridges, and the width of the tool row is 80 cm; the bottom of the seedling raising bag is deeply buried in the arid seedling raising ridges;
(5) seedling management:
managing fertilizer and water: after the cutting seedlings are transplanted into seedling bags, a sunshade net with shading rate of 60% is built on seedling ridges, the seedlings are watered once every 20 days, the water content of a seedling substrate is kept to be 40%, and leaf fertilizer formed by mixing monopotassium phosphate, urea and boric acid according to the mass ratio of 1:1:0.3 is applied every 25 days; after the roots are planted for 30 days and are stable, the sunshade net is removed, and normal water and fertilizer management is carried out;
secondly, trimming and shaping: in the next year, when the nursery stock is trimmed in spring, the lateral buds or lateral branches on the nursery stock, which compete with the terminal buds for growth, are removed, and then the lateral branches which are overgrown are retracted;
(6) and (3) outplanting the nursery stock: after the seedlings grow for 8 months, the height of the seedlings is 1.1m, the ground diameter is more than 1.2cm, more than 11 branches are formed, and the crown width is 40cm multiplied by 40cm, so that the large seedlings of the scented oil tea can be cultivated to be out of the nursery for afforestation.
Example 4
A method for cultivating big seedlings of camellia oleifera includes the following steps:
(1) cultivating cutting seedlings: paving a cutting matrix on a seedbed in a greenhouse in autumn in 10 months, selecting tender branches of a semi-lignified Zianjuan variety with no plant diseases and insect pests and full bud eyes as cutting slips, soaking the cutting slips for 30min by using a rooting agent formed by mixing rooting powder, 6-benzyl adenine and 2, 4-dichlorophenoxyacetic acid according to the mass ratio of 1:3:0.4, cutting, and cultivating into cutting seedlings, wherein the humidity in the greenhouse is 88%, the temperature is 28 ℃, and the shading rate is 60% in the cultivation process;
(2) preparing a seedling culture substrate: the seedling raising substrate is divided into three layers of substrates, namely a bottom substrate, a middle substrate and an upper substrate, wherein the bottom substrate is formed by mixing loess, fine sand and quicklime according to the mass ratio of 1:3:0.2, the middle substrate is formed by mixing turfy soil, humus soil, a decomposed organic fertilizer and a water-retaining agent according to the mass ratio of 1:3:0.4:0.1, the water-retaining agent is formed by mixing polyvinyl alcohol and carboxymethyl cellulose according to the mass ratio of 1:1, and the decomposed organic fertilizer is formed by composting and fermenting the following raw materials in parts by weight: 8 parts of corn straws, 3 parts of soybean meal, 1 part of plant ash, 4 parts of livestock manure, 2 parts of a compound microbial inoculum and 2 parts of compound amino acid, wherein the upper-layer matrix is formed by mixing loess and fine sand according to the mass ratio of 3:1, and after the matrix is prepared, the matrix is uniformly sprayed with a 0.3% potassium permanganate solution for disinfection for later use;
(3) transplanting cutting seedlings: after the cutting seedlings in the step (1) are cultivated for 7 months, selecting the cutting seedlings which are stable in growth, strong in main roots, developed in root systems and free of diseases and insect pests in 4 months in spring of the next year, trimming the roots of the cutting seedlings, trimming 1/6 with the length being the length of the main roots, trimming diseased roots and cut roots, and sterilizing; preparing a non-woven fabric seedling raising bag with the specification of 15cm in diameter and 16cm in height, filling the bottom layer matrix prepared in the step (2) and the middle layer matrix of 1/3 in the seedling raising bag from bottom to top, transplanting the cutting seedlings into the seedling raising bag, filling the rest middle layer matrix and the rest upper layer matrix, compacting the seedling raising matrix, and then sufficiently spraying root fixing water;
(4) placing seedling bags: the seedling raising bags are placed on seedling raising ridges of a seedling raising base in order, the two sides of the seedling raising base are provided with passageway lines, the specification of the seedling raising ridges is that the width is 30cm, the length is 12m, the width is 15cm higher than the ground, two rows of seedling raising bags are placed on one row of seedling raising ridges in a close-to-close manner, two rows of seedling raising bags are placed on each row of seedling raising ridges in a close-to-close manner, every two rows of seedling raising ridges are in a group, the seedling raising ridges in each group are separated by one interlaced line, and the width of the interlaced lines is 35 cm; a tool row is arranged between every two adjacent groups of seedling ridges, and the width of the tool row is 65 cm; raising ridges which are easy to accumulate water are heightened to place raising bags;
(5) seedling management:
managing fertilizer and water: after the cutting seedlings are transplanted into seedling bags, a sunshade net with shading rate of 55% is built on seedling ridges, the seedlings are watered every 15 days, the water content of a seedling substrate is kept at 50%, and leaf fertilizer formed by mixing monopotassium phosphate, urea and boric acid according to the mass ratio of 2:1:0.3 is applied every 30 days; after 40 days of planting, the root system is stable, the sunshade net is removed, and normal water and fertilizer management is carried out;
secondly, trimming and shaping: in the next year, when the nursery stock is trimmed in autumn, the growth vigor of the upper part of the nursery stock seedling raising matrix is controlled, the growth proportion of the nursery stock is changed, and lateral branches are left as protective branches;
(6) and (3) outplanting the nursery stock: after the seedlings grow for 8 months, the height of the seedlings is 1.1m, the ground diameter is more than 1.2cm, more than 11 branches are formed, and the crown width is 40cm multiplied by 40cm, so that the large seedlings of the scented oil tea can be cultivated to be out of the nursery for afforestation.
Comparative example 1
The difference between the comparative example 1 and the example 1 is that the seedling raising bags in the comparative example 1 are arranged in a way that ten rows of seedling raising bags are arranged next to one row of seedling raising ridges, and other conditions are the same as those in the example 1.
Comparative example 2
The difference between the comparative example 3 and the example 1 is that the seedling substrate in the comparative example 2 is yellow mud and decomposed organic fertilizer, and other conditions are the same as those in the example 1.
Comparative example 3
Comparative example 3 differs from example 1 in that the cutting substrate in comparative example 3 is yellow mud, and the other conditions are the same as those in example 1.
Statistics is carried out on the growth conditions of the camellia oleifera seedlings of the examples 1 to 4 and the comparative examples 1 to 3 of the invention, and the following tables are shown:
TABLE 1 growth condition table of Camellia oleifera seedlings
As can be seen from Table 1, the survival rate of the cutting seedlings obtained by the method is high, the survival rate of the cutting seedlings in the comparative example 3 reaches 96.25%, compared with the comparative example 3, the survival rate of the cutting seedlings in the example 1 is improved by 2.75%, after the cutting seedlings are transplanted and cultivated into large seedlings, the survival rate of the large seedlings after outplanting, transplanting and forestation is high, the growth is fast, and the time for production is short. In the embodiment 1, only 15 months are spent from cutting to outplanting and afforesting of the nursery stock, the cultivation time of the traditional method is long, 22 months are spent in the comparative example 1, and 23 months are spent in the comparative example 2, compared with the comparative examples 2 and 3, the cultivation time of the method is shortened by 31.82% and 34.78%, the cultivation time is greatly shortened, the nursery stock can be outplanted and afforested as soon as possible, the height of the nursery stock reaches 1.5m and the ground diameter is more than 1.6cm after two years of cultivation, the crown of the nursery stock is uniform, full and regular, compared with the comparative example 1, the height is improved by 35.59%, the nursery stock afforestation effect is good, and the production time is short.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and the like that are within the spirit and principle of the present invention are included in the present invention.
Claims (10)
1. The method for cultivating the camellia oleifera large seedlings is characterized by comprising the following steps:
(1) cultivating cutting seedlings: paving a cutting matrix on a seedbed in a greenhouse, selecting semi-lignified camellia oleifera twigs which are free of plant diseases and insect pests and have full bud eyes as cutting slips, soaking the cutting slips in a rooting agent for 20-30min, and then cutting to obtain cutting seedlings;
(2) preparing a seedling culture substrate: the seedling substrate is divided into three layers of substrates, namely a bottom substrate, a middle substrate and an upper substrate, and after the seedling substrate is prepared, the seedling substrate is uniformly sprayed with 0.2-0.5% potassium permanganate solution for disinfection for later use;
(3) transplanting cutting seedlings: after the cutting seedlings in the step (1) are cultivated for 7-8 months, selecting the cutting seedlings which are stable in growth, thick in main roots, developed in root systems and free of diseases and insect pests, trimming the roots of the cutting seedlings, trimming 1/6-1/5 with the length being the length of the main roots, trimming the diseased roots and the cut roots, and sterilizing; selecting a seedling raising bag, filling the bottom layer matrix prepared in the step (2) and the middle layer matrix of 1/3-1/2 from bottom to top in the seedling raising bag, transplanting the cutting seedlings to the seedling raising bag, filling the residual middle layer matrix and the residual upper layer matrix, compacting the seedling raising matrix, and then pouring enough root fixing water;
(4) placing seedling bags: the seedling raising bags are placed on the seedling raising ridges in order, two rows of seedling raising bags are placed next to each other on each row of seedling raising ridges, each two rows of seedling raising ridges form a group, and the seedling raising ridges in each group are interlaced at intervals; a tool row is arranged between every two adjacent groups of seedling ridges; raising the seedling ridges which are easy to accumulate water, heightening and placing the seedling bags, and deeply burying the seedling ridges in the bottom of the seedling bags;
(5) seedling management:
managing fertilizer and water: after the cutting seedlings are transplanted into seedling bags, a sunshade net with the shading rate of 50-60% is built on seedling ridges, water is poured on the seedlings once every 5-20 days, the water content of a seedling substrate is kept to be 40-50%, and leaf fertilizer is applied every 20-30 days; after the roots are planted for 30-40 days and are stable, the sunshade net is removed, and normal water and fertilizer management is carried out;
secondly, trimming and shaping: when the nursery stock is trimmed in spring and summer, removing lateral buds or lateral branches on the nursery stock, wherein the lateral buds or the lateral branches grow in competition with terminal buds, and retracting the lateral branches which grow excessively; when the nursery stock is trimmed in autumn, the growth vigor of the nursery stock on the nursery stock substrate is controlled, the growth proportion of the nursery stock is changed, and lateral branches are left as protective branches;
(6) and (3) outplanting the nursery stock: after the seedlings grow for 8-10 months, the seedlings are higher than 1.1m, the ground diameter is more than 1.2cm, more than 11 branches are formed, and the crown width is more than 40cm multiplied by 40cm, so that the large seedlings of the scented oil tea can be cultivated to be out of the garden for forestation.
2. The camellia oleifera large seedling cultivation method according to claim 1, wherein in the step (2), a bottom substrate in the seedling substrate is formed by mixing loess, fine sand and quicklime according to a mass ratio of 1:2-5:0.1-0.2, a middle substrate is formed by mixing turfy soil, humus soil, decomposed organic fertilizer and water retention agent according to a mass ratio of 1:3-5:0.2-0.4:0.05-0.1, and an upper substrate is formed by mixing loess and fine sand according to a mass ratio of 2-3: 1.
3. The cultivation method of the camellia oleifera large seedlings according to claim 2, wherein the water-retaining agent is formed by mixing polyvinyl alcohol and carboxymethyl cellulose according to a mass ratio of 1: 1-3.
4. The cultivation method of the camellia oleifera large seedlings according to claim 2, wherein the decomposed organic fertilizer is prepared by composting and fermenting the following raw materials in parts by weight: 5-10 parts of corn straw, 2-3 parts of soybean meal, 1-3 parts of plant ash, 4-8 parts of livestock and poultry manure, 1-2 parts of composite microbial inoculum and 1-2 parts of composite amino acid.
5. The cultivation method of the camellia oleifera large seedlings according to claim 1, wherein in the step (1), the cutting medium is prepared by mixing the following raw materials in parts by weight: 2-4 parts of loess, 3-7 parts of humus, 2-3 parts of carbonized rice hulls, 1-2 parts of coarse sand and 1-2 parts of perlite; the rooting agent is prepared by mixing rooting powder, 6-benzyladenine and 2, 4-dichlorophenoxyacetic acid according to the mass ratio of 1:2-4: 0.2-0.5.
6. The cultivation method of camellia oleifera large seedlings according to claim 1, wherein in the step (1), the humidity in the greenhouse is kept at 80-90%, the temperature is kept at 25-28 ℃, and the shading rate is kept at 60-70% in the process of cultivating the cutting seedlings.
7. The cultivation method of the camellia oleifera large seedlings according to claim 1, wherein in the step (5), the foliar fertilizer is formed by mixing monopotassium phosphate, urea and boric acid according to a mass ratio of 1-2:1: 0.2-0.3.
8. The cultivation method of camellia oleifera large seedlings according to claim 1, wherein in the step (4), the specification of the seedling ridges is 30-50cm wide, and the length is selected according to terrain and is 15-25cm higher than the ground; the width of the alternate lines is 30-40 cm; the width of the tool row is 60-80 cm.
9. The cultivation method of the camellia oleifera large seedling of claim 1, wherein in the step (3), the seedling raising bag is a non-woven fabric seedling raising bag, and the specification is 10-15cm in diameter and 14-18cm in height.
10. The method for cultivating the camellia oleifera seedlings according to claim 1, wherein the variety of the camellia oleifera is any one of the bred Yilu, Yidan and Yi-Juan.
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| CN114431012A (en) * | 2022-03-14 | 2022-05-06 | 中国科学院新疆生态与地理研究所 | Cuttage afforestation method |
| CN115956469A (en) * | 2022-10-19 | 2023-04-14 | 广西壮族自治区林业科学研究院 | Clone testing and matching method for camellia oleifera |
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