CN108934679B - Root-cutting seedling raising and seedling tube raising method for aralia elata seem - Google Patents
Root-cutting seedling raising and seedling tube raising method for aralia elata seem Download PDFInfo
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
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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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Abstract
The invention discloses a root cutting seedling raising and seedling tube raising method for aralia elata, which comprises the following steps: (1) enhancing the root of the stock plant; (2) preparing a seedbed; (3) root cutting collection; (4) pretreating root cutting; (5) root cutting; (6) performing daily management and maintenance after root cutting; (7) counting the budding rate; (8) hardening seedlings; (9) and (5) transplanting and planting. The beneficial conditions of the invention are as follows: the obtained propagation material has strong sprout tillering capacity, high root cutting and sprouting rate, strong root cutting seedling adaptability, high transplanting survival rate, short cultivation period and simple and convenient technical operation, can protect wild germplasm resources of the aralia elata seem, improve the marketable seedling supply capacity of the species and promote the medicinal and edible development of the aralia elata seem.
Description
Technical Field
The invention relates to the technical field of plant cultivation, in particular to a root-cutting seedling and seedling tube cultivation method for aralia elata seem.
Background
Aralia elata (Aralia echinocaulis hand-Mazz.) also called Aralia elata, Aralia elata and Aralia elata belongs to Aralia of Araliaceae and is a multipurpose plant with high medicinal effect and edible value. Aralia elata seem is a small tree with a height of up to 7 m, and slender straight thorns are densely distributed on the stem, so the Aralia elata seem is named; two-time feathering compound leaves, thinning out the leaf stalks and short thorns; the growing panicle is 30-50 cm long; the flowering period is 6-8 months, and the fruit period is 9-11 months. Is distributed in Sichuan, Yunnan, Guizhou, Guangxi, Guangdong, Fujian, Jiangxi, Hubei, Hunan, Anhui and Zhejiang. They are fond of warm and humid climate, often in hillside bushes and forest edges, and have a vertical distribution elevation of 2600 m.
Aralia elata seem is a widely applied and profoundly influenced ethnic medicine in Guizhou Tujia medicine; the Chinese Aralia medicinal parts are roots, root barks, stem barks and leaves, and have the effects of dispelling pathogenic wind, removing dampness, promoting qi and blood circulation, relieving swelling and pain, relaxing muscles and tendons, activating collaterals, invigorating qi, tranquilizing mind, replenishing essence, and nourishing kidney, and can be used for treating neurasthenia, rheumarthritis, traumatic injury, edema, stomach ache, hepatitis, osteomyelitis, etc. Modern pharmacological research shows that the aralia elata saponin content is high, and can be developed into a medical intermediate for treating rheumatism; the aralia elata seem is rich in oleanolic acid, and the oleanolic acid extracted from the aralia elata seem is a broad-spectrum antibacterial drug and can be clinically used for protecting liver and reducing enzyme and treating bronchitis, pneumonia, acute tonsillitis, urinary system infection and the like. In addition, the buds of the aralia elata seem germinated in spring are edible parts, the aralia elata seem is cleaned after being picked and blanched in boiling water, and then the aralia elata seem is cooled, can be mixed, fried, pickled, fried, stewed, dipped in sauce, made into porridge, soup, made into stuffing and the like, is delicious and sweet in taste, is fresh, tender and mellow, rich in wild flavor and rich in nutritional value, and is a high-quality first-class forest vegetable resource. The medicinal efficacy of aralia elata and the market value of aralia elata as a high-quality forest vegetable are gradually highlighted in recent years.
On one hand, aralia elata seem is widely distributed in the wild but sporadically grows in a small amount, the total amount of resources is not large, and although the aralia elata seem has a large fruiting amount under natural wild conditions, seeds can germinate after physiological after-ripening, and seeding and breeding are difficult. On the other hand, with the development of the aralia elata seem in the aspect of medicinal and edible aspects in recent years, the market demand is rapidly expanded, and the phenomenon of cutting damage of wild resources is serious. What is not suitable for the market demand of the rapid growth at present is the current situation that the systematic research on the aspect of the seedling cultivation and management of the aralia elata seem is less, and the integral domestication cultivation technology is still in the primary exploration stage. In conclusion, the aralia elata seem seedlings in the market at present are few in resources, the breeding technology is weak in research, the requirement for medicinal and edible development of the aralia elata seem is far from being met, and popularization and sustainable utilization of good varieties of both medicine and food are hindered.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a root cutting seedling and seedling management method for aralia elata seem, which has the advantages of strong tillering capacity of obtained propagation materials, high root cutting sprouting rate, strong root cutting seedling adaptability, high transplanting survival rate, short cultivation period, simple and convenient technical operation, can protect aralia elata seem wild germplasm resources, improve marketable seedling supply capacity of the species and promote medicinal and edible development of aralia elata seem.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a root cutting seedling and seedling tube culturing method for aralia elata seem comprises the following steps:
(1) enhancing the root of the stock plant: screening 80 seedlings with healthy and consistent growth vigor from aralia elata which is suitable for cultivation for 2-3 years to serve as a stock plant selected by root cutting materials, deeply turning over soil near the stock plant in autumn one year before root cutting begins, uniformly applying 30-40 g of rhizosphere fertilizer every month, and improving the quality and the sprouting capacity of a root system;
(2) preparing a seedbed: arranging a test seedbed in a greenhouse, performing soil preparation, deep ploughing and fine raking according to requirements one week before the test, removing stones in sandy loam, ensuring that the soil is loose and permeable, thoroughly watering and sterilizing the soil by using 500-600 times of diluent of 50% carbendazim wettable powder, and watering and raking the seedbed flat before root cutting;
(3) root cutting collection: in the first ten days of the next 3 months, the annular soil digging depth of 25-40 cm from the area 0.25 m away from the trunk is used, the root system with the diameter of 0.5-0.9 cm is cut, the root systems lower than 0.5 cm and higher than 0.9 cm can be reserved, the number of the root picking sections does not exceed half of the total number of the root picking sections, the temperature of the root picking environment is 3-8 ℃, the root picking time is 6-9 o' clock in the morning, after the root is picked, farmyard manure is applied to the root picking position of the stock plant in time for 500 g/plant, the soil fertility is improved, the root system of the stock plant is promoted, the influence on the growth vigor of the stock plant is reduced, then soil returning and treading are performed, and a small amount of loose soil and dry leaves are paved;
(4) root cutting pretreatment: cutting root segments into 10-20 cm on a shade ground according to requirements, in order to avoid reversing the polarity of inserted roots during planting, cutting the proximal ends (the ends close to the upper part of a plant) of the root segments into flat openings, cutting the distal ends (the ends far away from the upper part of the plant) into oblique openings, bundling 20 cut root segments, treating the root segments with 500-600 times of 50% carbendazim wettable powder for 60 s for disinfection, taking out the root segments, washing the root segments for 2-3 minutes by using clear water, and soaking the distal ends of the washed root segments in a plant growth hormone solution to a depth which is about 1/3 of the inserted roots;
(5) root cutting: burying the pretreated cutting root on the surface of soil or vertically inserting the cutting root into the soil, covering fine soil on the cutting root by about 1 cm, and during vertical cutting, according to the mark during pretreatment, cutting the proximal end of the cutting into a flat opening upwards and the distal end of the cutting into an oblique opening downwards to ensure the correct polarity of the cutting shoot, wherein the root cutting distance is 30 cm multiplied by 25 cm;
(6) performing daily management and maintenance after root cutting: the method comprises the following steps of building a simple greenhouse by using moso bamboo chips and a plastic film along a root cutting seedbed, paving a layer of sunshade net with a sunshade rate of 50-60% on the simple greenhouse in a weather with a strong illumination condition so as to adjust and control humidity, temperature and illumination conditions required by generation and growth of sprouts, spraying a proper amount of clear water every morning in the early stage of root cutting in a sunny day, controlling the humidity of air to be kept about 80% in a rainy day, spraying water mist every 2 days after 7 days, spraying the water mist with a 50% carbendazim wettable powder of 800 times in every 7 days so as to prevent and control plant diseases and insect pests, controlling the temperature in the greenhouse to be 12-26 ℃, opening air permeating from two sides of the film when the temperature is higher than 26 ℃, avoiding influence of over-high temperature on bud emergence and survival of tender buds of root cutting seedlings, and spraying a foliar fertilizer once every three weeks when the number of leaves of the root cutting seedlings is higher than 5;
(7) and (4) counting the budding rate: observing the sprouting condition in the daily management and culture process, counting the sprouting rate of the root cutting on the 25 th day after the root cutting, and exercising the seedling when the number of small leaves of the root cutting seedling is more than 10 and the number of roots is more than 4;
(8) hardening seedlings: gradually widening a temperature control adjusting range (6-34 ℃) to enable the nursery stock to gradually adapt to the temperature condition under the local natural condition; changing the water spray frequency from spraying water mist once every 2 days to spraying water mist once every 4-5 days in the later period of the original daily tube-culture to enable the nursery stock to gradually adapt to the change of air humidity, dismantling the simple greenhouse and the shading net in the later period of hardening off the seedlings, stopping spraying the carbendazim solution, and carrying out transplanting and field planting when the height of the root-cutting seedling stem is more than 14 cm and the number of roots is more than 8;
(9) transplanting and field planting: digging out soil with root cuttings after hardening, burying root systems with planting holes 15 cm (long) 15 cm (wide) 25 cm (deep), covering soil after burying the root systems completely, tamping surrounding soil, watering thoroughly, burying rhizosphere fertilizer for 1 time in a ring shape every 10 days after planting, applying 5-10 g of fertilizer to each plant, mainly releasing fertilizer slowly without damaging roots, promoting the growth of root cuttings root systems, and counting the survival rate of transplanting after 1 month.
Preferably, the farmyard manure in the step (3) is fermented pig manure decomposed at high temperature, has fine texture, contains more organic matters and nitrogen, phosphorus and potassium nutrients, is slowly released, and has long fertilizer efficiency.
Preferably, the plant growth hormone in the step (4) is GA3, wherein the root cutting effect is the best after soaking in 50 ppm GA3 solution for 1.5 hours.
Preferably, when the root cutting mode in the step (5) is vertical cutting, the germination rate of the vertical cutting root after being soaked in 50 ppm GA3 solution for 1.5 hours can reach 92 percent at most, the cutting root is inserted into the soil during the vertical cutting, the near end is level with the surface of the soil, and the cutting shoot is covered by fine soil for about 1 cm.
Preferably, the foliar fertilizer in the step (6) is the plant power-2003 +, and the stock solution and the clear water are diluted according to the proportion of 1:1200 for use.
Preferably, the preparation method of the carbendazim solution in the step (8) comprises the following steps: taking 50% carbendazim wettable powder to prepare 5L of 500 times of diluent as an example, 10 g of carbendazim powder is weighed and dissolved and diluted by water to be 5L.
Preferably, the rhizosphere fertilizer in the step (9) is a potassium sulfate compound fertilizer, the total nutrient is more than or equal to 45 percent, and the effective element proportion is nitrogen: phosphorus: potassium =12:18: 15.
Preferably, the preparation method of the GA3 solution comprises the following steps: taking the preparation of 50 ppm GA3 solution as an example, 0.1 g of GA3 medicine is weighed and dissolved in a small amount of 95% alcohol, and then diluted with water to 2L.
Preferably, the method for calculating the root-cutting sprouting rate in the step (7) comprises: root cutting sprouting ratio = number of sprouting cuttings/total cuttings × 100%.
Preferably, the calculation method of the transplanting survival rate in the step (9) is as follows: the transplanting survival rate = the number of surviving transplanted cuttings/the total number of cuttings × 100%, and the transplanting survival rate is 92%.
The beneficial conditions of the invention are as follows:
1. through vertical cutting, the vertical cutting root germination rate after being soaked in 50 ppm GA3 solution for 1.5 hours can reach 92 percent at most, the propagating material has strong tillering force and high root cutting germination rate;
2. after the seedlings are hardened in the step (8), the root cutting seedling adaptability is strong, and the transplanting survival rate is high;
3. the cultivation period of aralia elata seedling cultivated by the method is short, the technical operation is simple and convenient, wild germplasm resources of aralia elata are protected, and the marketized seedling supply capacity of the species is improved.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific examples. It will be understood by those skilled in the art that the following examples are illustrative of the present invention only and should not be taken as limiting the scope of the invention. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The medicines and reagents are not indicated by manufacturers, and are conventional products which can be purchased and obtained through market sale.
A root cutting seedling and seedling tube culturing method for aralia elata seem comprises the following steps:
(1) enhancing the root of the stock plant: screening 80 seedlings with healthy and consistent growth vigor from aralia elata which is suitable for cultivation for 2-3 years to serve as a stock plant selected by root cutting materials, deeply turning over soil near the stock plant in autumn one year before root cutting begins, uniformly applying 30-40 g of rhizosphere fertilizer every month, and improving the quality and the sprouting capacity of a root system;
(2) preparing a seedbed: arranging a test seedbed in a greenhouse, performing soil preparation, deep ploughing and fine raking according to requirements one week before the test, removing stones in sandy loam, ensuring that the soil is loose and permeable, thoroughly watering and sterilizing the soil by using 500-600 times of diluent of 50% carbendazim wettable powder, and watering and raking the seedbed flat before root cutting;
(3) root cutting collection: in the first ten days of the next 3 months, the annular soil digging depth of 25-40 cm from the area 0.25 m away from the trunk is used, the root system with the diameter of 0.5-0.9 cm is cut, the root systems lower than 0.5 cm and higher than 0.9 cm can be reserved, the number of the root picking sections does not exceed half of the total number of the root picking sections, the temperature of the root picking environment is 3-8 ℃, the root picking time is 6-9 o' clock in the morning, after the root is picked, farmyard manure is applied to the root picking position of the stock plant in time for 500 g/plant, the soil fertility is improved, the root system of the stock plant is promoted, the influence on the growth vigor of the stock plant is reduced, then soil returning and treading are performed, and a small amount of loose soil and dry leaves are paved;
(4) root cutting pretreatment: cutting root segments into 10-20 cm on a shade ground according to requirements, in order to avoid reversing the polarity of inserted roots during planting, cutting the proximal ends (the ends close to the upper part of a plant) of the root segments into flat openings, cutting the distal ends (the ends far away from the upper part of the plant) into oblique openings, bundling 20 cut root segments, treating the root segments with 500-600 times of 50% carbendazim wettable powder for 60 s for disinfection, taking out the root segments, washing the root segments for 2-3 minutes by using clear water, and soaking the distal ends of the washed root segments in a plant growth hormone solution to a depth which is about 1/3 of the inserted roots;
(5) root cutting: burying the pretreated cutting root on the surface of soil or vertically inserting the cutting root into the soil, covering fine soil on the cutting root by about 1 cm, and during vertical cutting, according to the mark during pretreatment, cutting the proximal end of the cutting into a flat opening upwards and the distal end of the cutting into an oblique opening downwards to ensure the correct polarity of the cutting shoot, wherein the root cutting distance is 30 cm multiplied by 25 cm;
(6) performing daily management and maintenance after root cutting: the method comprises the following steps of building a simple greenhouse by using moso bamboo chips and a plastic film along a root cutting seedbed, paving a layer of sunshade net with a sunshade rate of 50-60% on the simple greenhouse in a weather with a strong illumination condition so as to adjust and control humidity, temperature and illumination conditions required by generation and growth of sprouts, spraying a proper amount of clear water every morning in the early stage of root cutting in a sunny day, controlling the humidity of air to be kept about 80% in a rainy day, spraying water mist every 2 days after 7 days, spraying the water mist with a 50% carbendazim wettable powder of 800 times in every 7 days so as to prevent and control plant diseases and insect pests, controlling the temperature in the greenhouse to be 12-26 ℃, opening air permeating from two sides of the film when the temperature is higher than 26 ℃, avoiding influence of over-high temperature on bud emergence and survival of tender buds of root cutting seedlings, and spraying a foliar fertilizer once every three weeks when the number of leaves of the root cutting seedlings is higher than 5;
(7) and (4) counting the budding rate: observing the sprouting condition in the daily management and culture process, counting the sprouting rate of the root cutting on the 25 th day after the root cutting, and exercising the seedling when the number of small leaves of the root cutting seedling is more than 10 and the number of roots is more than 4;
(8) hardening seedlings: gradually widening a temperature control adjusting range (6-34 ℃) to enable the nursery stock to gradually adapt to the temperature condition under the local natural condition; changing the water spray frequency from spraying water mist once every 2 days to spraying water mist once every 4-5 days in the later period of the original daily tube-culture to enable the nursery stock to gradually adapt to the change of air humidity, dismantling the simple greenhouse and the shading net in the later period of hardening off the seedlings, stopping spraying the carbendazim solution, and carrying out transplanting and field planting when the height of the root-cutting seedling stem is more than 14 cm and the number of roots is more than 8;
(9) transplanting and field planting: digging out soil with root cuttings after hardening, burying root systems with planting holes 15 cm (long) 15 cm (wide) 25 cm (deep), covering soil after burying the root systems completely, tamping surrounding soil, watering thoroughly, burying rhizosphere fertilizer for 1 time in a ring shape every 10 days after planting, applying 5-10 g of fertilizer to each plant, mainly releasing fertilizer slowly without damaging roots, promoting the growth of root cuttings root systems, and counting the survival rate of transplanting after 1 month.
By the method, the statistical results of different plant growth-promoting hormones, different gradient solution concentrations, different cuttage modes and whether seedling hardening influences the root cutting germination rate and the transplanting survival rate are shown in the following table:
it will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A root cutting seedling raising and seedling management method for aralia elata seem is characterized by comprising the following steps:
(1) enhancing the root of the stock plant: screening 80 seedlings with healthy and consistent growth vigor from aralia elata which is suitable for cultivation for 2-3 years to serve as a stock plant selected by root cutting materials, deeply turning over soil near the stock plant in autumn one year before root cutting begins, uniformly applying 30-40 g of rhizosphere fertilizer every month, and improving the quality and the sprouting capacity of a root system;
(2) preparing a seedbed: arranging a test seedbed in a greenhouse, performing soil preparation, deep ploughing and fine raking according to requirements one week before the test, removing stones in sandy loam, ensuring that the soil is loose and permeable, thoroughly watering and sterilizing the soil by using 500-600 times of diluent of 50% carbendazim wettable powder, and watering and raking the seedbed flat before root cutting;
(3) root cutting collection: in the last ten days of 3 months in the next year, annularly excavating 25-40 cm deep from an area 0.25 m away from a trunk, cutting off root systems with the diameter of 0.5-0.9 cm thick, reserving the root systems with the diameter of less than 0.5 cm and more than 0.9 cm, keeping the number of root picking sections not more than half of the total number of the root picking sections, keeping the temperature of the root picking environment at 3-8 ℃, picking the root time at 6-9 am, applying 500 g of farmyard manure per plant near the root picking position of a mother plant in time after taking the root, improving the soil fertility, promoting the root system of the mother plant, reducing the influence on the growth vigor of the mother plant, then returning the soil and treading the soil, and paving a small amount of loose soil on the surface layer and keeping the soil moisture with dead leaves;
(4) root cutting pretreatment: cutting root segments into 10-20 cm on a shade ground according to requirements, in order to avoid reversing the polarity of inserted roots during planting, cutting the proximal ends of the root segments, namely the ends close to the upper parts of plants, into flat openings, cutting the distal ends, namely the ends far away from the upper parts of the plants, into oblique openings, bundling 20 cut root segments, treating the bundle with 500-600 times of 50% carbendazim wettable powder for 60 s for disinfection, taking out the bundle, washing the bundle with clear water for 2-3 minutes, and soaking the distal ends of the washed root segments in a plant growth hormone solution to a depth which is about 1/3 of the inserted roots;
the plant growth hormone is GA3, and the root is inserted after the plant growth hormone is soaked in 50 ppm GA3 solution for 1.5 hours;
the preparation method of the GA3 solution comprises the following steps: preparing 50 ppm GA3 solution, weighing 0.1 g GA3 medicine, dissolving in a small amount of 95% alcohol, adding water to dilute to 2L;
(5) root cutting: burying the preprocessed root cuttings horizontally on the surface of soil or vertically inserting the preprocessed root cuttings into the soil, covering fine soil on the root cuttings by about 1 cm, and during vertical cutting, according to the mark during preprocessing, cutting the proximal ends of the root cuttings into flat openings upwards and the distal ends of the root cuttings into oblique openings downwards to ensure the correct polarity of the root cuttings, wherein the root cutting distance is 30 cm multiplied by 25 cm;
(6) performing daily management and maintenance after root cutting: the method comprises the following steps of building a simple greenhouse by using moso bamboo chips and a plastic film along a root cutting seedbed, paving a layer of sunshade net with a sunshade rate of 50-60% on the simple greenhouse in a weather with a strong illumination condition so as to adjust and control humidity, temperature and illumination conditions required by generation and growth of sprouts, spraying a proper amount of clear water every morning in the early stage of root cutting in a sunny day, not spraying water in a rainy day, adjusting and controlling air humidity to be about 80%, spraying water mist once every 2 days after 7 days, spraying 50% carbendazim wettable powder 800 times of diluent in every 7 days so as to prevent and control plant diseases and insect pests, controlling the temperature in the greenhouse to be 12-26 ℃, opening two sides of the film to ventilate when the temperature is higher than 26 ℃, avoiding influence on sprouting of root cutting seedlings and survival of tender shoots caused by overhigh temperature, and spraying foliar fertilizer once every three weeks when the number of the root cutting seedlings is higher than 5;
(7) and (4) counting the budding rate: observing the sprouting condition in the daily management and maintenance process, counting the sprouting rate of root cutting on the 25 th day after root cutting, and exercising the seedlings when the number of small leaves of the root cutting seedlings is more than 10 and the number of the root growing seedlings is more than 4;
(8) hardening seedlings: gradually widening a temperature control adjusting interval to enable the nursery stock to gradually adapt to the temperature condition under the local natural condition, wherein the temperature control adjusting interval is 6-34 ℃; changing the water spray frequency from spraying water mist once every 2 days to spraying water mist once every 4-5 days in the original daily management and cultivation later period to enable the nursery stocks to gradually adapt to the change of air humidity, dismantling the simple greenhouse and the shading net in the seedling hardening later period, stopping spraying the carbendazim solution, and carrying out transplanting and field planting when the height of the root-cutting seedling stems is more than 14 cm and the number of the grown roots is more than 8;
(9) transplanting and field planting: digging out the root cutting seedling with soil after hardening seedling, wherein the planting holes are as follows: and (3) covering soil after the root system is completely buried by 15 cm multiplied by 25 cm, tamping the peripheral soil, watering thoroughly, burying rhizosphere fertilizer for 1 time in a ring shape every 10 days after field planting, fertilizing 5-10 g of single plant, mainly releasing fertilizer slowly without damaging the root, promoting the growth of the root system of the root-inserted seedling, and counting the survival rate of transplanting after 1 month.
2. The method for root-cutting seedling culture and seedling tube culture of Aralia elata in claim 1, wherein the farmyard manure in step (3) is fermented pig manure decomposed at high temperature, has fine texture, contains more organic matters and nitrogen, phosphorus and potassium nutrients, and is slow in fertilizer release and long in fertilizer efficiency period.
3. The root cutting seedling and seedling tube culturing method for aralia elata seem according to claim 1, wherein in the step (5), when the root cutting mode is vertical cutting, the germination rate of the vertical cutting root after being soaked in 50 ppm GA3 solution for 1.5 hours can reach 92% at most, when the vertical cutting is performed, the cutting root is inserted into soil, the near end is level with the surface of the soil, and the cutting root is covered by fine soil for about 1 cm.
4. The root cutting seedling and seedling tube culturing method for the aralia elata seem according to claim 1, wherein leaf fertilizer is plant power-2003 +, and the stock solution is diluted with clear water according to a ratio of 1:1200 for use.
5. The root-cutting seedling and seedling tube culture method for aralia elata seem according to claim 1, wherein the preparation method of the carbendazim solution in the step (8) comprises the following steps: 10 g of carbendazim powder is weighed, dissolved and diluted by water to be 5L.
6. The root cutting seedling and seedling tube culturing method for aralia elata seem according to claim 1, wherein in the step (9), rhizosphere fertilizer is potassium sulfate compound fertilizer, total nutrient is more than or equal to 45%, and effective element proportion is nitrogen: phosphorus: potassium =12:18: 15.
7. The root cutting seedling and seedling management method for aralia elata seem according to claim 1, wherein the root cutting bud ratio in the step (7) is calculated in a manner that: root cutting sprouting ratio = number of sprouting cuttings/total cuttings × 100%.
8. The root-cutting seedling and seedling tube culturing method for aralia elata seem according to claim 1, wherein the transplanting survival rate in the step (9) is calculated in a manner that: the transplanting survival rate = the number of surviving transplanted cuttings/the total number of cuttings × 100%, and the transplanting survival rate is 92%.
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| CN108934679A (en) | 2018-12-07 |
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