CN112586287A - High-survival-rate cultivation method for strawberry protospecies seedlings - Google Patents
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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
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/05—Fruit crops, e.g. strawberries, tomatoes or cucumbers
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
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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
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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
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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
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
- A01G24/25—Dry fruit hulls or husks, e.g. chaff or coir
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
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Abstract
The invention relates to the technical field of strawberry original seedling cultivation, in particular to a high-survival-rate cultivation method of strawberry original seedlings, which comprises the following steps of sterilizing and disinfecting a cultivation substrate; filling the coarse matrix into the planting bed, then laying the weaving layer, and filling the fine matrix above the weaving layer; enough water is poured two days before planting; selecting tissue culture virus-free seedlings as stock seedlings for cultivation; temporary planting of the original seedlings; immediately covering a mulching film after temporary planting, and removing the mulching film after covering for 1 week; applying liquid fertilizer to the strawberries; removing old leaves and newly-grown stolons in time; pest control; detecting stock seedlings; the method has the advantages that the culture medium is sterilized and disinfected, so that viruses and insect pests in the culture medium are killed in advance, the occurrence of later-stage insect pests is reduced, and the survival rate of the strawberry original seedlings is higher; the adoption of coarse matrix, root-limiting non-woven fabric, water-absorbing fabric and fine matrix can make the matrix possess good water-flowing property, and possess hydrophobic and air-permeable properties, so that it can absorb and store nutrient liquor, and can promote plant growth.
Description
Technical Field
The invention relates to the technical field of strawberry original seedling cultivation, in particular to a high-survival-rate cultivation method of strawberry original seedling.
Background
Strawberry generally provides seedlings for production through asexual propagation, and long-term use of the asexual propagation seedlings easily causes variety degeneration, serious virus infection, weakened disease resistance, and sharply reduced yield, quality and benefit, which becomes a problem to be urgently solved in production; at present, the strawberry is usually propagated by adopting a tissue culture propagation method.
The tissue culture propagation method of the strawberries is the most economic and effective way for removing the viruses from the strawberries; compared with the conventional seedling culture, the tissue culture seedling obtained by the tissue culture propagation method of the strawberry has the advantages of vigorous growth, high survival rate, capacity of increasing the yield by 30-50 percent, bright fruit color, large fruit, uniform and consistent fruit shape and good quality; the tissue culture seedling raising method is rapid in propagation, tens of thousands or even hundreds of thousands of seedlings can be obtained from one meristem within one year, the occupied land is not occupied, the environment is not influenced, and the method is suitable for industrial production.
Practice proves that the proportion of malformed fruits is larger after strawberry virus-free seedlings directly enter a shed, and the property performance of second-generation or third-generation strawberry seedlings cultured by taking the virus-free seedlings as mother seedlings is excellent, so that the second-generation or third-generation strawberry seedlings are used for transplanting; therefore, the three-stage seedling breeding system which is always carried out in the strawberry industry refers to a three-stage seedling breeding system of the original strawberry seedlings, the original seedlings and the production seedlings; in order to ensure the stability of the characters of the detoxified seedlings, a four-stage strawberry breeding system is gradually formed.
The strawberry original seedling is that firstly, the cut strawberry bud is heat treated, then, a growing point with 0.2 mm of the tip of a meristem is cut under an aseptic state, a test-tube seedling is cultured in a proper culture medium, the obtained test-tube seedling is repeatedly identified by virus for many times, the virus carrying is confirmed to be absent, a large number of test-tube seedlings can be accelerated to be propagated, and then, the original seedling is further propagated for production and use; because the number of virus-free tissue culture seedlings grown in a laboratory is limited and the cost is very high, further propagation needs to be expanded and original seedlings need to be produced.
But the stock seedling has higher requirement on the growth environment, is easy to re-infect viruses and has lower detoxification rate; therefore, how to overcome the above technical problems and disadvantages is a problem to be solved.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a high-survival-rate cultivation method for strawberry stock seedlings, which has high virus-free rate and high propagation speed.
In order to achieve the purpose, the technical scheme of the invention is as follows: a high-survival-rate cultivation method for strawberry protospecies seedlings specifically comprises the following steps:
s1, sterilization and disinfection: sterilizing the culture medium with formaldehyde or chloropicrin;
s2, filling matrix: filling coarse matrix in the planting bed, wherein the height of the coarse matrix reaches 1/6-1/5 of the height of the planting bed, then paving a braiding layer, and filling fine matrix above the braiding layer, wherein the height of the fine matrix reaches 2/3-4/5 of the height of the planting bed;
s3, matrix watering: enough water is poured two days before the planting to ensure that the matrix is settled and the water content reaches 70-80%.
S4, selecting stock seedlings: selecting the seedling with 2-3 leaves grown from the tissue culture virus-free seedling as the original seed seedling for cultivation;
s5, stock seedling temporary planting: heeling in 3-4 months every year, planting the original seedlings in a planting bed filled with a matrix for heeling in, and irrigating with cold well water;
s6, coating: immediately covering a white mulching film with the thickness of 0.010 mm-0.025 mm after temporary planting, preserving water, preserving heat, promoting new roots, and removing the mulching film after covering for 1 week;
s7: and (3) water and fertilizer management: after the mulching film is removed, applying liquid fertilizer to the strawberries to ensure that strawberry seedlings obtain enough nutrients; watering once in 2-3 days, thoroughly watering the soil to ensure that the strawberries absorb enough water to grow healthily, controlling the temperature at 18-28 ℃ and the soil humidity at 5-9 months to ensure that the soil humidity is less than 80%;
s8, plant management: in the temporary planting process, old leaves and newly-grown stolons are removed in time to reduce the nutrient consumption and promote the robust growth of seedlings;
s9, pest control: the disease can prevent and treat anthracnose, snake eye disease, powdery mildew, bacterial wilt and verticillium wilt; the insect pests are mainly aphids, red spiders and prodenia litura; the soil insects mainly control grubs and cutworms; spraying a bactericide on the ground surface before temporary planting, and applying a phosphorus-potassium fertilizer; normally, the prevention is carried out once in 15 days, when the temperature is higher than 28 ℃, the prevention is carried out once every 10 days, and if the rain occurs, the complementary spraying is carried out once after the rain; the protective medicament and the therapeutic medicament are alternately used;
s10, stock seedling detection: 80-100 times of original seedlings can be produced in 9 months, meanwhile, the produced original seedlings are detected, whether the original seedlings meet the conditions of virus-free seedlings or not is detected, and if the original seedlings meet the conditions, the original seedlings can be used as seedlings to be put into production;
further, the coarse substrate in the step S2 is a mixed substrate of coarse sand, stone seeds and coarse slag; the soil of strawberry seedlings is sandy soil, and the soil is favorable for the growth of strawberries due to the good water flowing property.
Further, the coarse matrix in step S2 is coarse sand, stone seeds, coarse slag according to a ratio of 2: 2: 3 to a coarse base.
Further, the fine matrix in the step S2 is a mixed matrix of coconut shell, organic fertilizer, garden soil, leaf mold and fine sand; the coconut shell is manufactured by reprocessing, is environment-friendly and corrosion-resistant, and has hydrophobic and air-permeable properties; the organic fertilizer eliminates toxic and harmful substances in the organic fertilizer, is rich in a large amount of beneficial substances, can provide comprehensive nutrition for crops, has long fertilizer efficiency, can increase and renew soil organic matters, promotes microbial propagation, and improves the physical and chemical properties and biological activity of soil; the garden soil has higher fertility and good granular structure, and is one of the main raw materials for preparing the culture soil; the leaf mold is nutrient soil formed by decomposing and fermenting plant branches and leaves in soil by microorganisms; the leaf mold is wide in natural distribution, convenient to collect and simple to stack; when the method is used for raising seedlings, the germination rate can be improved, and the growth and development of the seedlings can be accelerated; the fine sand has good water flowing property, and is beneficial to the growth of strawberries.
Further, the fine matrix in step S2 is coconut shell, organic fertilizer, garden soil, leaf mold and fine sand according to a ratio of 4: 3: 3: 2: 1 into a fine matrix.
Further, the woven layer in the step S2 is a root-limiting non-woven fabric and a water-absorbing fabric; the root-limiting non-woven fabric can limit the root zone of the strawberry, and promotes the rapid growth of plants; the water absorption cloth can absorb and store the nutrient solution, thereby continuously providing nutrition for the matrix and promoting the continuous growth of the strawberries.
Further, the protective agent in step S9 is generally used before rain, and the therapeutic agent is generally used after rain; the ground has high humidity after rain and is easy to have diseases and insect pests, so that a treatment type medicament is required to be used.
The high-survival-rate cultivation method for the strawberry elite seedlings has the beneficial effects that:
1. according to the high-survival-rate cultivation method for the strawberry protospecies seedling, the cultivation matrix is sterilized and disinfected firstly, so that viruses and insect pests in the cultivation matrix are killed in advance, the occurrence of later-stage insect pests is reduced, and the survival rate of the strawberry protospecies seedling is higher;
2. according to the high-survival-rate cultivation method for the strawberry original-seed seedlings, the coarse matrix is filled at the bottom of the inner side of the planting bed, the root-limiting non-woven fabric and the water-absorbing fabric are sequentially paved in the planting bed from top to bottom, and the fine matrix is filled above the root-limiting non-woven fabric, so that the matrix has good flowing water property, is beneficial to growth of strawberries, has hydrophobic air permeability, can absorb and store nutrient solution, and can promote rapid growth of plants;
3. according to the high-survival-rate cultivation method for the strawberry original-seed seedlings, when the original-seed seedlings are heeled in, cold well water is used for irrigating, the rhizosphere temperature is reduced, and flower bud differentiation is promoted.
Detailed Description
Example 1
A high-survival-rate cultivation method for strawberry protospecies seedlings specifically comprises the following steps:
s1, sterilization and disinfection: the culture medium is sterilized and disinfected by formaldehyde or chloropicrin, so that viruses and insect pests in the culture medium are killed in advance, the occurrence of later-stage insect pests is reduced, and the survival rate of the strawberry original seedlings is higher;
s2, filling matrix: mixing the coarse sand, the stone seeds and the coarse slag according to the proportion of 2: 2: 3, thick matrix that the proportion mixes fills in planting the bed, and the height of thick matrix reaches 1/6 of planting the bed height, lays limit root non-woven fabrics and the cloth that absorbs water from last to down in proper order again in planting the bed, fills by coconut husk, fertilizer, garden soil, leaf mold and fine sand according to 4 above limiting root non-woven fabrics: 3: 3: 2: 1, the height of the fine matrix reaches 2/3 of the height of the planting bed;
s3, matrix watering: enough water is poured two days before the planting to ensure that the matrix is settled and the water content reaches 70 percent;
s4, selecting stock seedlings: selecting the seedling with 2-3 leaves grown from the tissue culture virus-free seedling as the original seed seedling for cultivation;
s5, stock seedling temporary planting: heeling in 3-4 months every year, planting the original seedlings in a planting bed filled with a matrix for heeling in, and irrigating with cold well water;
s6, coating: immediately covering a white mulching film with the thickness of 0.010 mm after temporary planting, preserving water, preserving heat, promoting new roots, covering for 1 week, and removing the mulching film;
s7: and (3) water and fertilizer management: after the mulching film is removed, applying liquid fertilizer to the strawberries to ensure that strawberry seedlings obtain enough nutrients; watering once in 3 days, thoroughly watering the soil, enabling the strawberries to absorb enough water to enable the strawberries to grow healthily, controlling the temperature at 18 ℃ in 5-9 months, and controlling the soil humidity to enable the soil humidity to be 60%;
s8, plant management: in the temporary planting process, old leaves and newly-grown stolons are removed in time to reduce the nutrient consumption and promote the robust growth of seedlings;
s9, pest control: the disease can prevent and treat anthracnose, snake eye disease, powdery mildew, bacterial wilt and verticillium wilt; the insect pests are mainly aphids, red spiders and prodenia litura; the soil insects mainly control grubs and cutworms; spraying a bactericide on the ground surface before temporary planting, and applying a phosphorus-potassium fertilizer; normally, the prevention is carried out once in 15 days, when the temperature is higher than 28 ℃, the prevention is carried out once every 10 days, and if the rain occurs, the complementary spraying is carried out once after the rain; the protective medicament and the therapeutic medicament are alternately used;
s10, stock seedling detection: 80-90 times of original seedlings can be produced in 9 months, meanwhile, the produced original seedlings are detected, whether the original seedlings meet the conditions of virus-free seedlings or not is detected, and if the original seedlings meet the conditions, the original seedlings can be put into production as seedlings.
Example 2
A high-survival-rate cultivation method for strawberry protospecies seedlings specifically comprises the following steps:
s1, sterilization and disinfection: the culture medium is sterilized and disinfected by formaldehyde or chloropicrin, so that viruses and insect pests in the culture medium are killed in advance, the occurrence of later-stage insect pests is reduced, and the survival rate of the strawberry original seedlings is higher;
s2, filling matrix: mixing the coarse sand, the stone seeds and the coarse slag according to the proportion of 2: 2: 3, thick matrix that the proportion mixes fills in planting the bed, and the height of thick matrix reaches 1/5 of planting the bed height, lays limit root non-woven fabrics and the cloth that absorbs water from last to down in proper order again in planting the bed, fills by coconut husk, fertilizer, garden soil, leaf mold and fine sand according to 4 above limiting root non-woven fabrics: 3: 3: 2: 1, the height of the fine matrix reaches 4/5 of the height of the planting bed;
s3, matrix watering: enough water is poured two days before the planting to ensure that the matrix is settled and the water content reaches 80 percent; s4, selecting stock seedlings: selecting the seedling with 2-3 leaves grown from the tissue culture virus-free seedling as the original seed seedling for cultivation;
s5, stock seedling temporary planting: heeling in 3-4 months every year, planting the original seedlings in a planting bed filled with a matrix for heeling in, and irrigating with cold well water;
s6, coating: immediately covering a white mulching film with the thickness of 0.025 mm after temporary planting, preserving water, preserving heat, promoting new roots, and removing the mulching film after covering for 1 week;
s7: and (3) water and fertilizer management: after the mulching film is removed, applying liquid fertilizer to the strawberries to ensure that strawberry seedlings obtain enough nutrients; watering once in 2 days, and thoroughly watering the soil to ensure that the strawberries absorb enough water to grow healthily, controlling the temperature at 28 ℃ in 5-9 months, and controlling the soil humidity to be 80%;
s8, plant management: in the temporary planting process, old leaves and newly-grown stolons are removed in time to reduce the nutrient consumption and promote the robust growth of seedlings;
s9, pest control: the disease can prevent and treat anthracnose, snake eye disease, powdery mildew, bacterial wilt and verticillium wilt; the insect pests are mainly aphids, red spiders and prodenia litura; the soil insects mainly control grubs and cutworms; spraying a bactericide on the ground surface before temporary planting, and applying a phosphorus-potassium fertilizer; normally, the prevention is carried out once in 15 days, when the temperature is higher than 28 ℃, the prevention is carried out once every 10 days, and if the rain occurs, the complementary spraying is carried out once after the rain; the protective medicament and the therapeutic medicament are alternately used;
s10, stock seedling detection: 90-100 times of original seedlings can be produced in 9 months, meanwhile, the produced original seedlings are detected, whether the original seedlings meet the conditions of virus-free seedlings or not is detected, and if the original seedlings meet the conditions, the original seedlings can be put into production as seedlings.
Example 3
A high-survival-rate cultivation method for strawberry protospecies seedlings specifically comprises the following steps:
s1, sterilization and disinfection: the culture medium is sterilized and disinfected by formaldehyde or chloropicrin, so that viruses and insect pests in the culture medium are killed in advance, the occurrence of later-stage insect pests is reduced, and the survival rate of the strawberry original seedlings is higher;
s2, filling matrix: mixing the coarse sand, the stone seeds and the coarse slag according to the proportion of 2: 2: 3, thick matrix that the proportion mixes fills in planting the bed, and the height of thick matrix reaches 1/6 of planting the bed height, lays limit root non-woven fabrics and the cloth that absorbs water from last to down in proper order again in planting the bed, fills by coconut husk, fertilizer, garden soil, leaf mold and fine sand according to 4 above limiting root non-woven fabrics: 3: 3: 2: 1, the height of the fine matrix reaches 4/5 of the height of the planting bed;
s3, matrix watering: enough water is poured two days before the planting to ensure that the matrix is settled and the water content reaches 75 percent;
s4, selecting stock seedlings: selecting the seedling with 2-3 leaves grown from the tissue culture virus-free seedling as the original seed seedling for cultivation;
s5, stock seedling temporary planting: heeling in 3-4 months every year, planting the original seedlings in a planting bed filled with a matrix for heeling in, and irrigating with cold well water;
s6, coating: immediately covering a white mulching film with the thickness of 0.020 mm after temporary planting, preserving water, preserving heat, promoting new roots, and removing the mulching film after covering for 1 week;
s7: and (3) water and fertilizer management: after the mulching film is removed, applying liquid fertilizer to the strawberries to ensure that strawberry seedlings obtain enough nutrients; watering once in 2-3 days, and thoroughly watering the soil to ensure that the strawberries absorb enough water to grow healthily, controlling the temperature at 23 ℃ in 5-9 months, and controlling the soil humidity to 70%;
s8, plant management: in the temporary planting process, old leaves and newly-grown stolons are removed in time to reduce the nutrient consumption and promote the robust growth of seedlings;
s9, pest control: the disease can prevent and treat anthracnose, snake eye disease, powdery mildew, bacterial wilt and verticillium wilt; the insect pests are mainly aphids, red spiders and prodenia litura; the soil insects mainly control grubs and cutworms; spraying a bactericide on the ground surface before temporary planting, and applying a phosphorus-potassium fertilizer; normally, the prevention is carried out once in 15 days, when the temperature is higher than 28 ℃, the prevention is carried out once every 10 days, and if the rain occurs, the complementary spraying is carried out once after the rain; the protective medicament and the therapeutic medicament are alternately used;
s10, stock seedling detection: 90-95 times of original seedlings can be produced in 9 months, meanwhile, the produced original seedlings are detected, whether the original seedlings meet the conditions of virus-free seedlings or not is detected, and if the original seedlings meet the conditions, the original seedlings can be used as seedlings to be put into production.
The following table shows statistics of the original seedlings cultivated according to the methods of example 1, example 2 and example 3:
| example 1 | Example 2 | Example 3 | |
| Multiple of original seedling | 87 | 94 | 92 |
| Number of virus-free original seedlings | 84 | 89 | 88 |
| Detoxication rate of original seedling | 96.6% | 94.6% | 95.7% |
According to the data results in the table, the original seedlings cultured according to the method can have the propagation multiple of more than 87 times on the original basis, the original seedlings cultured according to the method can meet the standard of the virus-free seedlings of more than 94 percent, the original seedlings cultured by taking the virus-free seedlings as mother seedlings have excellent property performance, vigorous growth and high survival rate, and the yield can be increased by 30 to 50 percent, so that the economic benefit is improved.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but include electrical connections, whether direct or indirect.
Exemplary embodiments of the present invention have been described in detail with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various changes and modifications may be made to the specific embodiments described above, and various combinations of the technical features and structures proposed by the present invention may be made without departing from the concept of the present invention.
Claims (7)
1. A high-survival-rate cultivation method for strawberry protospecies seedlings is characterized by comprising the following steps: the method specifically comprises the following steps:
s1, sterilization and disinfection: sterilizing the culture medium with formaldehyde or chloropicrin;
s2, filling matrix: filling coarse matrix in the planting bed, wherein the height of the coarse matrix reaches 1/6-1/5 of the height of the planting bed, then paving a braiding layer, and filling fine matrix above the braiding layer, wherein the height of the fine matrix reaches 2/3-4/5 of the height of the planting bed;
s3, matrix watering: enough water is poured two days before the planting to ensure that the matrix is settled and the water content reaches 70-80%;
s4, selecting stock seedlings: selecting the seedling with 2-3 leaves grown from the tissue culture virus-free seedling as the original seed seedling for cultivation;
s5, stock seedling temporary planting: heeling in 3-4 months every year, planting the original seedlings in a planting bed filled with a matrix for heeling in, and irrigating with cold well water;
s6, coating: immediately covering a white mulching film with the thickness of 0.010 mm-0.025 mm after temporary planting, preserving water, preserving heat, promoting new roots, and removing the mulching film after covering for 1 week;
s7: and (3) water and fertilizer management: after the mulching film is removed, applying liquid fertilizer to the strawberries to ensure that strawberry seedlings obtain enough nutrients; watering once in 2-3 days, thoroughly watering the soil to ensure that the strawberries absorb enough water to grow healthily, controlling the temperature at 18-28 ℃ and the soil humidity at 5-9 months to ensure that the soil humidity is less than 80%;
s8, plant management: in the temporary planting process, old leaves and newly-grown stolons are removed in time to reduce the nutrient consumption and promote the robust growth of seedlings;
s9, pest control: the disease can prevent and treat anthracnose, snake eye disease, powdery mildew, bacterial wilt and verticillium wilt; the insect pests are mainly aphids, red spiders and prodenia litura; the soil insects mainly control grubs and cutworms; spraying a bactericide on the ground surface before temporary planting, and applying a phosphorus-potassium fertilizer; normally, the prevention is carried out once in 15 days, when the temperature is higher than 28 ℃, the prevention is carried out once every 10 days, and if the rain occurs, the complementary spraying is carried out once after the rain; the protective medicament and the therapeutic medicament are alternately used;
s10, stock seedling detection: 80-100 times of original seedlings can be produced in 9 months, meanwhile, the produced original seedlings are detected, whether the original seedlings meet the conditions of virus-free seedlings or not is detected, and if the original seedlings meet the conditions, the original seedlings can be put into production as seedlings.
2. The high-survival-rate cultivation method of the strawberry elite seedling as set forth in claim 1, characterized in that: the coarse matrix in the step S2 is a mixed matrix of coarse sand, stone seeds and coarse slag.
3. The high-survival-rate cultivation method of the strawberry elite seedling as set forth in claim 1, characterized in that: the coarse matrix in the step S2 is coarse sand, stone seeds, coarse slag according to a ratio of 2: 2: 3 to a coarse base.
4. The high-survival-rate cultivation method of the strawberry elite seedling as set forth in claim 1, characterized in that: the fine matrix in the step S2 is a mixed matrix of coconut shell, organic fertilizer, garden soil, leaf mold and fine sand.
5. The high-survival-rate cultivation method of the strawberry elite seedling as set forth in claim 1, characterized in that: the fine matrix in the step S2 is coconut shell, organic fertilizer, garden soil, leaf mold and fine sand according to the proportion of 4: 3: 3: 2: 1 into a fine matrix.
6. The high-survival-rate cultivation method of the strawberry elite seedling as set forth in claim 1, characterized in that: the woven layer in the step S2 is a root-limiting non-woven fabric and a water-absorbing fabric.
7. The high-survival-rate cultivation method of the strawberry elite seedling as set forth in claim 1, characterized in that: the protective agent in step S9 is generally used before rain, and the therapeutic agent is generally used after rain.
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| CN110226467A (en) * | 2019-06-26 | 2019-09-13 | 阜阳市殿兴农业科技有限公司 | A kind of strawberry disease resistance method for culturing seedlings |
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