CN113575161A - Soapberry grafting seedling method - Google Patents
Soapberry grafting seedling method Download PDFInfo
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- CN113575161A CN113575161A CN202110996878.5A CN202110996878A CN113575161A CN 113575161 A CN113575161 A CN 113575161A CN 202110996878 A CN202110996878 A CN 202110996878A CN 113575161 A CN113575161 A CN 113575161A
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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
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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Abstract
The invention provides a soapberry grafting and seedling method, which comprises the following steps: s1, stock cultivation: spreading a layer of sterile river sand on a seedbed, sterilizing, scattering disinfected soapberry seeds, wherein the seeds do not overlap with each other, spreading a layer of sterile river sand on the seeds, sterilizing, adding water or a carbendazim aqueous solution into the seedbed, thoroughly watering the seedbed, covering with an agricultural film for germination acceleration, cutting and keeping two leaves when the seeds germinate and grow seedlings to be 1-3cm higher than the surface of the seedbed, culturing for 15 days, cutting off branches re-emitted on the seedlings in the culture process, and taking the cultured seedlings as stocks for segmented grafting; s2, preparing scions; s3, grafting: cutting off the green part at the morphological upper end of the stock, cutting the stock into a plurality of sections in sections, and grafting a scion on to each stock wood section; s4, transplanting grafted seedlings; s5, grafted seedling management: performing conventional management; the soapberry grafting seedling raising method provided by the invention can be used for propagating a large number of clone seedlings in a short period, shortening the seedling raising period, improving the grafting survival rate and reducing the seedling raising cost.
Description
Technical Field
The invention belongs to the technical field of vegetative propagation of plants, and particularly relates to a soapberry grafting seedling method.
Background
Sapindus mukorossi Gaertn, also known as the golden tree, is a plant of Sapindus genus of Sapindus family, widely distributed in southeast Asia countries, Japan, Taiwan, and south of Huaihe, and has a very wide utilization value. The soapberry fruit has important value, and the saponin and the aglycone contained in the peel have strong nonionic surface activity, are excellent natural detergents and can be used for washing silk, delicate fabrics, jewelry and the like; the product can be used for preparing cosmetics, tableware and fruit and vegetable detergent, toothpaste, shampoo, bath lotion, soap, bactericide, pesticide, etc., and has effects in relieving cough, eliminating phlegm, relieving fever, resisting microorganism, tumor, platelet aggregation, pain and inflammation, etc. The soapberry kernel has high oil content and is a novel raw material for preparing the biodiesel. In addition, the tree species has beautiful tree shape and developed root system, and has important value in greening, water and soil conservation and the like. The soapberry is a multifunctional plant with higher comprehensive utilization value, and the research and the utilization of the soapberry are more and more concerned by domestic and foreign markets.
The soapberry vegetative propagation seedling culture method mainly comprises grafting seedling culture, cutting seedling culture, tissue culture seedling culture and the like, wherein the grafting seedling culture main method comprises the steps of cultivating annual seedlings by soapberry seeds, grafting strong annual seedlings into grafted seedlings in spring of the second year, cultivating the grafted seedlings after the grafted seedlings survive, and producing and applying the grafted seedlings after the grafted seedlings survive for one year, the cultivation period is long (stock seedlings are cultivated for one year, the stock seedlings are cultivated for one year after the grafting, and the stock seedlings can be produced and applied after two years of cultivation), one seed can be grafted into one grafted seedling at most, only about 700 plants can be grafted in one working day, the management and protection cost of the grafted seedlings is high, the total cost is high, and the method is adopted for long-term production, so that the soapberry vegetative propagation seedling culture research is carried out, a large number of clone lines are propagated in the seedlings, the seedling culture period is shortened, Reduces the seedling raising cost to meet the market demand and has great significance.
Disclosure of Invention
The invention aims to solve the technical problem of providing a soapberry stock cultivation and stock segmented grafting propagation seedling method, which can propagate a large number of clone seedlings in a short period, shorten the seedling period, improve the grafting survival rate and reduce the seedling cost by utilizing a new stock cultivation method, a stock segmented grafting seedling method, a spike making method and the like.
In order to achieve the purpose, the technical scheme of the invention is as follows, and the soapberry grafting seedling method specifically comprises the following operation steps:
s1, stock cultivation: soaking and disinfecting soapberry seeds for later use, paving a layer of sterile river sand on a seedbed, thoroughly watering and disinfecting the soapberry seeds by using a carbendazim aqueous solution, scattering the disinfected soapberry seeds on the river sand, wherein the seeds are not overlapped, paving a layer of sterile river sand on the seeds, thoroughly watering and disinfecting the seeds by using the carbendazim aqueous solution, adding water or the carbendazim aqueous solution to the seedbed, thoroughly watering the seedbed, covering an agricultural film for germination acceleration, cutting and keeping two leaves when the germinated and grown seedlings of the seeds are 1-3cm higher than the surface of the seedbed, continuously culturing for 15 days after cutting, timely cutting off branches on the seedlings in the culturing process, and taking the cut and cultured seedlings as stocks for segmented grafting; if the seedlings are cut after being higher than the bed surface of the seedbed by more than 3cm, the seedlings can consume excessive energy, so that the stocks are thin and the grafting operation is inconvenient; the seedlings which do not grow on the surface of the seedbed or just grow on the surface of the seedbed are tender and crisp, are easy to break, are not suitable for grafting, and the seedlings just growing on the surface of the seedbed need to be trimmed and continuously cultured for 15 days to ensure that the seedlings are fully developed so as to meet the grafting requirement.
S2, preparing scions: selecting the current spring shoot and the ear section with full axillary buds as the scion, cutting the morphological lower end of the scion into a wedge shape when cutting the scion, and reserving two small leaves at the upper part of the scion section.
S3, grafting: taking out a complete stock which can be used for grafting from a seedbed, cleaning sand on the stock, cutting off a green part at the morphological upper end of the stock, cutting the stock into a plurality of sections in sections, and grafting a scion on each stock section; the part exposed out of the bed surface of the seedbed is a green part, the lignification degree of the part is higher, the rooting capacity is poor, the healing degree with the scion is also poor, the rootstock buried in the river sand is white when no sunlight is seen (the rootstock is not irradiated by the sunlight), the thin-wall cells of the white part are active, the rooting capacity is strong, the healing capacity is strong, and the survival rate of the grafted seedling can be improved by selecting the white part as the rootstock.
S4, transplanting grafted seedlings: laying a layer of sterile yellow soil on a seedbed, only exposing a grafting opening when transplanting the grafted nursery stock, after the transplanting is finished, watering the bed surface through a carbendazim aqueous solution for sterilization, spraying the nursery stock with a root growth promoting regulator, then erecting a sunshade net for cooling, wherein the sunshade net is black and has the height of 1.6-1.8m so as to be convenient for personnel to walk, covering the bed surface with an agricultural film for moisturizing, and the agricultural film is a small arched shed with the height of 50cm so as to ensure that the humidity in the agricultural film is maintained to be more than 95 percent.
S5, grafted seedling management: and (5) performing conventional management.
Preferably, the rootstocks with the diameter of more than 0.2cm are selected in the step S3 for segmented grafting, and the rootstocks with too thin diameter are easy to break and are not beneficial to grafting operation.
Preferably, the thickness of the sterile river sand spread on the seedbed in the step S1 is 5cm, and the thickness of the sterile river sand spread on the seeds is 13-14 cm; the thickness of the river sand covered on the soapberry seeds is about 13cm, so that the stock has a certain height so as to be divided into more sections, and when the thickness of the river sand covered on the soapberry seeds exceeds 14cm, the stock is too thin and weak to be beneficial to grafting.
Preferably, the rootstock is cut into 3 to 4 sections in the step S3, each section is 3 to 4cm in length, the rootstock can be utilized to the maximum extent, waste is avoided, and enough scion healing surfaces and rooting surfaces can be ensured; the cutting length of the stock segment does not influence the rooting and healing efficiency, but can reduce the number of usable stocks; too short a rootstock segment results in too little rooting surface, which can reduce the survival of grafted seedlings.
Preferably, when the scion is cut in step S2, a scion segment is cut under the bud eye at an angle of 50-70 ° to the vertical direction, both sides of the scion segment are cut to be the same length, both sides are cut to be wedge-shaped when viewed from the side, and the length of the wedge is 1.5 cm.
Preferably, the thickness of the sterile yellow core soil in the step S4 is not less than 3cm, the transplanted and grafted nursery stocks should be deeply planted as far as possible, only the grafting openings are exposed, and therefore ventilation is achieved, and mildew is avoided.
Preferably, the transplanted and grafted nursery stocks are transplanted in the step S4 according to the plant spacing of 15cm and the line spacing of 30 cm.
The invention has the advantages and beneficial effects that:
1. the method is characterized in that a part which does not see sunlight, namely a part buried in river sand, is selected as a stock, when the stock is cultivated, the part exposed out of a seedbed becomes green due to photosynthesis, the part is not exposed to be white, thin-walled cells of the white part are very active, healing and rooting are easy, the survival rate is high, the stock can be divided into multiple sections, the effective stock length cultivated by each seed reaches about 12cm, the stock can be divided into 3-4 sections, 3-4 seedlings are grafted, and the efficiency is remarkably improved.
2. The conventional stock is required to be outplanted in 2 years for grafting and seedling raising, the outplanted period is 1 year, and the asexual seedling culture period is shortened by one time.
3. The grafting seedling method provided by the invention can graft about 1500 plants in one working day, the survival rate is as high as more than 95%, the survival rate is improved by more than ten percent compared with the common grafting mode, the cultivation period is one time shorter, the seedling cost is greatly saved, and the comprehensive benefit is obviously improved.
Detailed Description
The technical scheme of the invention is further specifically described by combining the specific embodiments as follows:
a soapberry grafting and seedling method specifically comprises the following operation steps:
s1, stock cultivation: soaking soapberry seeds for disinfection and sterilization, spreading a layer of clean sterile river sand with the thickness of 5cm on a seedbed, thoroughly watering and disinfecting by using aqueous solutions such as carbendazim and the like, spreading the disinfected soapberry seeds on the seedbed, properly not overlapping the seeds, spreading a layer of clean sterile river sand with the thickness of 13cm on the seeds, thoroughly watering and disinfecting by using aqueous solutions such as carbendazim and the like, building the periphery of the seedbed by using bricks, thoroughly watering the seedbed by adding aqueous solutions such as clean water or carbendazim and the like, and covering an agricultural film for moisture preservation, heat preservation and germination acceleration. When the height of the seedlings is 1-3cm, the seedlings are cut off, only two leaves are left, and when most of the seedlings grow out, the stock can be used for segmented grafting after trimming and culturing for more than 15 days.
S2, preparing scions: selecting the current spring shoot and the ear section with the plump axillary bud as the scion, cutting the ear section at 60 degrees below the bud eye when cutting the scion, cutting two sides of the ear section into the same length, cutting two sides into wedges when seen from the side surface, wherein the length of the wedge is about 1.5cm, and two small leaves are reserved at the upper part of the ear section.
S3, grafting: taking out a complete stock which can be used for grafting from a seedbed, cleaning sand on the stock, cutting off a green part on the upper part of the stock, cutting the stock into 3-4 sections, wherein the length of each section is about 4-3cm, each section is a 1 stock wood section and can be grafted with a seedling, longitudinally cutting and splitting the upper part of the stock section, the length of a cut is equivalent to the length of a cut of a scion, inserting the cut scion into the cut of the stock section, and tightly wrapping the stock and the scion by using a special aluminum skin, thus completing grafting.
S4, transplanting grafted seedlings: spreading a layer of sieved sterile yellow soil with the thickness of about 3cm on a seedling bed, transplanting the grafted seedlings according to the plant spacing of 15cm and the row spacing of 30cm, deeply planting as far as possible until only a grafting opening is exposed, spraying aqueous solutions such as carbendazim and the like on the seedlings and a bed surface for disinfection after the transplanting is finished, spraying the seedlings with liquids such as a root-promoting growth regulator and the like, then erecting a sunshade net for cooling, and sealing and covering with an agricultural film for moisturizing.
S5, grafted seedling management: and (5) performing conventional management.
The first embodiment is as follows:
soapberry asexual propagation seedling culture is carried out in Shimen base of Guangda agriculture and forestry science and technology Limited company in Hunan province, and the method comprises the following steps:
1. stock cultivation: 1 month and 3 days, soaking and sterilizing soapberry seeds with 600 times of carbendazim aqueous solution for 10 minutes for later use, paving a layer of clean sterile river sand on a seedbed to be 5cm thick, thoroughly watering (sterilizing) with 600 times of carbendazim aqueous solution, scattering the disinfected soapberry seeds on the seedbed, properly, incompletely overlapping the seeds, paving a layer of clean sterile river sand on the seeds to be 13cm thick, thoroughly watering (sterilizing) with 600 times of carbendazim aqueous solution, paving the periphery of the seedbed with bricks, adding clean water or 600 times of carbendazim aqueous solution to the seedbed, thoroughly watering and covering with an agricultural film for moisture preservation, heat preservation and germination acceleration. When the height of the seedlings growing up to 3cm is seen on the bed surface of the seedbed, the seedlings are cut off, two leaves are reserved, and after most of the seedlings grow out, the stocks can be used for segmented grafting after trimming and culturing for more than 15 days.
2. Preparing a scion: and 5, 11 days after 5 months, selecting a spring shoot and a full axillary bud ear section as a scion, cutting the ear section at 60 degrees below a bud eye when cutting the scion, cutting two sides of the ear section into the same length, cutting two sides into wedges when viewed from the side, wherein the length of the wedge is 1.5cm, and keeping two small leaves at the upper part of the ear section.
3. Grafting: taking out a complete stock which can be used for grafting from a seedbed, cleaning sand on the stock, cutting off a green part on the upper part of the stock, cutting the stock into 4 sections in a segmented manner, wherein the length of each section is about 3cm, each section is a 1 stock wood section and can be grafted with a seedling, longitudinally cutting the upper part of the stock section by a knife, the length of the cut is equivalent to that of a cut section of a scion, inserting the cut scion into the cut of the stock section, and tightly wrapping the stock and the scion by using a special aluminum skin, thus completing grafting.
4. Transplanting grafted seedlings: spreading a layer of screened sterile yellow soil with the thickness of about 4cm on a seedling bed, transplanting the grafted seedlings according to the plant spacing of 15cm and the line spacing of 25cm, planting deeply as far as possible until only a grafting opening is exposed, after the transplanting is finished, pouring 600 times of carbendazim aqueous solution through a (sterilized) bed surface, spraying the seedlings with 50mg/kg of GGR6 growth regulator, then erecting a sunshade net for cooling, and covering with an agricultural film for moisturizing.
5. And (3) grafted seedling management: and (5) performing conventional management.
32000 grafted seedlings are co-transplanted in a nursery, three groups of random sampling are carried out, 100 grafted seedlings are randomly selected in each group, the survival rates of the three groups of grafted seedlings are respectively 97%, 92% and 96%, 300 grafted seedlings are counted, and the average survival rate is 95%.
In the embodiment, the stock is cultivated, the thickness of river sand covered on the soapberry seeds is 13cm, the height of the cultivated effective stock is 12cm, the stock can be divided into 4 sections, namely 4 seedlings are grafted, the seeds naturally germinate and grow, the stock is cut after growing out of a bed surface, two leaves are reserved, the stock nutrition consumption is reduced, the robust stock is cultivated, and after most of seedlings grow out, the stock can be used for segmented grafting after being trimmed and cultivated for more than 15 days. The rootstock which can not grow out of the bed surface or just grow out of the bed surface is tender and crisp and can not be used as the rootstock. The stock cultivated by each seed can be cut into 4 sections, 4 plants are grafted and cultivated, and compared with the conventional method, the number of produced seedlings is 3 times. The conventional stock is required to be outplanted in 2 years for grafting and seedling raising, and the outplanting is 1 year, so that the time is shortened by one time. The invention greatly saves the seedling raising cost and obviously improves the comprehensive benefit.
Example two:
soapberry asexual propagation seedling raising is carried out in peach base of New Nature agriculture and forestry science and technology Limited company in Hunan, the method is as follows:
1. stock cultivation: 1 month and 6 days, soaking and disinfecting soapberry seeds for 10 minutes by using 500 times of carbendazim aqueous solution, soaking the disinfected seeds for 10 minutes by using GGR6 growth regulator 50mg/kg aqueous solution for later use, paving a layer of clean sterile river sand with the thickness of 5cm on a seedbed, thoroughly watering (disinfecting) the soapberry seeds by using 500 times of carbendazim aqueous solution, spreading the soapberry seeds which are disinfected and treated by GGR6 on the seedbed, properly paving a layer of clean sterile river sand with the thickness of 14cm on the seeds, thoroughly watering (disinfecting) the soapberry seeds by using 500 times of carbendazim aqueous solution, paving the periphery of the seedbed by using bricks, adding clean water or 500 times of carbendazim aqueous solution to the seedbed, thoroughly watering the seedbed, covering an agricultural film, preserving moisture, preserving heat and accelerating germination. When the height of the seedlings growing up to 3cm is seen on the bed surface of the seedbed, the seedlings are cut off, two leaves are reserved, and after most of the seedlings grow out, the stocks can be used for segmented grafting after trimming and culturing for more than 15 days.
2. Preparing a scion: and 5, 9 days after 5 months, selecting a spring shoot and a full axillary bud as a scion, cutting the scion section at 60 degrees below a bud eye when cutting the scion, cutting two sides of the scion section into the same length, cutting two sides into wedges when viewed from the side, wherein the length of the wedge is 1.5cm, and keeping two small leaves at the upper part of the scion section.
3. Grafting: taking out a complete stock which can be used for grafting from a seedbed, cleaning sand on the stock, cutting off a green part on the upper part of the stock, cutting the stock into 3 sections in sections, wherein the length of each section is about 4cm, each section is a 1 stock wood section and can be grafted with a seedling, longitudinally cutting the upper part of the stock section by a knife, the length of the cut is equivalent to that of a cut section of a scion, inserting the cut scion into the cut of the stock section, and tightly wrapping the stock and the scion by using a special aluminum skin, thus completing grafting.
4. Transplanting grafted seedlings: spreading a layer of screened sterile yellow soil with the thickness of about 4cm on a seedling bed, transplanting the grafted seedlings according to the plant spacing of 15cm and the line spacing of 30cm, deeply planting as far as possible until only a grafting opening is exposed, spraying (disinfecting) a bed surface and the seedlings with 500 times of a carbendazim aqueous solution after the transplanting is finished, spraying the seedlings with 50mg/kg of GGR6 growth regulator, then erecting a sunshade net for cooling, and covering with an agricultural film for moisturizing.
5. And (3) grafted seedling management: and (5) performing conventional management.
34000 grafted seedlings are co-transplanted in the nursery, three groups of random samples are taken, 100 grafted seedlings are randomly selected in each group, the survival rates of the three groups of grafted seedlings are respectively 97%, 94% and 97%, the total 300 grafted seedlings are counted, and the average survival rate is 96%.
In the embodiment, the stock is cultivated, the thickness of river sand covered on the soapberry seeds is 14cm, the height of the cultivated effective stock is 13cm, the stock can be divided into 3 sections, namely, 3 seedlings are grafted, the seeds naturally germinate and grow, the stock is cut after growing out of a bed surface, two leaves are reserved, the stock nutrition consumption is reduced, the robust stock is cultivated, and after most of seedlings grow out, the stock can be used for segmented grafting after being trimmed and cultivated for more than 15 days. The rootstock which can not grow out of the bed surface or just grow out of the bed surface is tender and crisp and can not be used as the rootstock. The stock cultivated by each seed can be grafted and cultivated with 3 plants, and compared with the conventional stock, the stock can produce 2 times more seedlings. The conventional stock is required to be outplanted in 2 years for grafting and seedling raising, and the outplanting is 1 year, so that the time is shortened by one time. The invention greatly saves the seedling raising cost and obviously improves the comprehensive benefit.
Control group
The sapindus mukorossi seeds are used for cultivating annual seedlings, robust annual seedlings are selected in the next spring and grafted into grafted seedlings, 300 plants of the grafted seedlings are counted, and the survival rate is 84.7%.
From the experimental results, the survival rate of the first embodiment and the survival rate of the second embodiment are obviously superior to that of the control group, and the survival rates of the first embodiment and the second embodiment are equivalent, so that the method provided by the invention is favorable for grafting, healing and rooting by using the soapberry rootstocks to cultivate the white part of the rootstocks buried in river sand, the white part can be used as the rootstocks for segmented grafting, the emergence rate is high, 3-4 seedlings can be produced from one seed, and the production efficiency can be greatly improved compared with the comparative group in which one seedling is produced from one seed; the period of out-nursery cultivation for one year can be shortened, the seedling cost is greatly saved, and the comprehensive benefit is obviously improved.
The above examples are only for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. A soapberry grafting seedling method is characterized by comprising the following steps:
s1, stock cultivation: soaking and disinfecting soapberry seeds for later use, paving a layer of sterile river sand on a seedbed, thoroughly watering and disinfecting the soapberry seeds by using a carbendazim aqueous solution, scattering the disinfected soapberry seeds on the river sand, wherein the seeds are not overlapped, paving a layer of sterile river sand on the seeds, thoroughly watering and disinfecting the seeds by using the carbendazim aqueous solution, adding water or the carbendazim aqueous solution to the seedbed, covering a plastic film for germination acceleration, cutting and keeping two leaves when the germinated seedlings of the seeds grow to be 1-3cm higher than the surface of the seedbed, culturing for 15 days, timely cutting off branches on the seedlings in the culturing process, and taking the cut and cultured seedlings as stocks for segmented grafting;
s2, preparing scions: selecting the current spring shoot and the ear section with full axillary buds as a scion, and reserving two small leaves on the ear section when the scion is cut;
s3, grafting: selecting complete stocks which can be used for grafting from a seedbed, cleaning sand on the stocks, cutting off green parts at the morphological upper ends of the stocks, cutting the stocks into a plurality of sections in a segmented manner, and grafting one scion on each stock wood section;
s4, transplanting grafted seedlings: laying a layer of sterile yellow soil on a seedbed, only exposing a grafting opening when transplanting the grafted nursery stock, watering the bed surface with a carbendazim aqueous solution after the transplanting is finished, spraying the nursery stock with a root growth promoting regulator, then erecting a sunshade net for cooling, and sealing and covering with an agricultural film for moisturizing;
s5, grafted seedling management: and (5) performing conventional management.
2. The soapberry grafting seedling method according to claim 1, characterized by comprising the following steps: and S3, selecting the rootstocks with the diameter of more than 0.2cm for segmented grafting.
3. The soapberry grafting seedling method according to claim 1 or 2, characterized in that: in the step S1, the thickness of the sterile river sand spread on the seedbed is 5cm, and the thickness of the sterile river sand spread on the seeds is 13-14 cm.
4. The soapberry grafting seedling method according to claim 3, wherein the method comprises the following steps: and step S3, cutting the rootstock into 3-4 segments, wherein the length of each segment is 3-4 cm.
5. The soapberry grafting seedling method as claimed in claim 1, 2 or 4, wherein: when scion cutting is carried out in the step S2, scion sections are cut at an angle of 50-70 degrees below the bud eyes, two sides of each scion section are cut to be the same in length, and the length of each wedge is 1.5 cm.
6. The soapberry grafting seedling method as claimed in claim 1, 2 or 4, wherein: the thickness of the sterile yellow subsoil in step S4 is not less than 3 cm.
7. The soapberry grafting seedling method according to claim 1, characterized by comprising the following steps: and transplanting the transplanted and grafted nursery stocks according to the plant spacing of 15cm and the row spacing of 30cm in the step S4.
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| CN115500158A (en) * | 2022-08-17 | 2022-12-23 | 成都市农林科学院 | One-anvil multi-seedling type efficient grafting seedling raising method |
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