CN111108844A - Method for growing seedlings of crape myrtle - Google Patents
Method for growing seedlings of crape myrtle Download PDFInfo
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- CN111108844A CN111108844A CN202010007120.XA CN202010007120A CN111108844A CN 111108844 A CN111108844 A CN 111108844A CN 202010007120 A CN202010007120 A CN 202010007120A CN 111108844 A CN111108844 A CN 111108844A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or 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
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
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Abstract
The invention relates to a crape myrtle seedling culture method, which comprises the following steps: the method comprises the following steps of collecting capsules, making a nursery garden, accelerating germination, sowing in soil preparation, performing daily management and outplanting, ensuring the storage condition of seeds to obtain the seeds with stronger activity, strictly controlling the quality of seedlings in a seed selection stage to obtain the seedlings with excellent quality, and simultaneously adopting the accelerating germination and sowing to improve the germination rate of the seeds, trimming lateral branches of the seedlings and promoting the seedlings to sprout more new strips. The invention has the advantages of realizing seedling culture under common soil conditions, high seedling emergence rate, good consistency, difficult occurrence of plant diseases and insect pests, good growth vigor and high seedling quality.
Description
Technical Field
The invention relates to the technical field of crape myrtle seedling culture, in particular to a crape myrtle seedling culture method.
Background
Lagerstroemia indica (also called crabapple tree), the leaves are opposite or intergrown, the shape is elliptical, the shape of the fruit is nearly spherical, the appearance of the crape myrtle tree is beautiful, the trunk is smooth and clean, the flower color is bright, the flower season is positive in summer autumn and short in flower season when the crape myrtle blooms, the flowering phase is extremely long, and the crape myrtle can be used for treating CO2HF and N2The toxic gas has stronger resistance and absorption capacity, has certain adsorption capacity to smoke dust and dust, and is one of the most ideal tree species for urban, industrial and mining greening.
Now, a Chinese patent with publication number CN104025846A is retrieved, which discloses a cultivation method of crape myrtle, comprising the following steps in sequence: (1) seed disinfection: sterilizing with fenaminosulf disinfectant; (2) selecting land for planting, (3) irrigating, (4) spraying a leaf fertilizer, (5) pruning, (6) spraying a nail-support, (7) spraying carbendazim, and (8) outplanting.
The above prior art solutions have the following drawbacks:
1. the requirement on the quality of the selected nursery lands is high, the general soil cultivation conditions are not easy to meet, and the popularization of crape myrtle seedling culture is not facilitated;
2. the crape myrtle seeds are not subjected to pregermination, so that the rate of emergence of seedlings and the uniformity of emergence are easily inconsistent;
3. the flowering branches are not cut off in the pruning process, the flowering branches can continuously bloom in the second year, more nutrients are consumed for plants, the growth speed of seedlings and the capacity of sprouting new branches are reduced, and the increase of the number of flowering branches is not facilitated.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a crape myrtle seedling culture method which has the advantages that the seedlings can be cultured under common soil conditions, the emergence rate of the seedlings is high, the uniformity is good, the diseases and insect pests are not easy to occur, the growth vigor is good, and the seedling quality is high.
The above object of the present invention is achieved by the following technical solutions:
a crape myrtle seedling culture method comprises the following steps:
collecting capsules: selecting mature capsule from healthy mother tree without diseases and insect pests between 9-11 months, removing pericarp, air drying, and drying in a drying container;
manufacturing a nursery garden: preparing a nursery land at the bottom of 2 months in the next year, fully and finely ploughing the nursery land, mixing 0.8-1.2 kg of yellow sand, 8-12 kg of organic fertilizer and 0.001-0.005 kg of trace element fertilizer in soil of each square nursery land, and spraying a bactericide;
accelerating germination: taking out the seeds in the drying container, carrying out low-temperature treatment for 15-20 days, taking out, putting the seeds into a 0.2% potassium permanganate solution, soaking for 1-2 days, taking out the seeds, washing the seeds clean, putting the seeds into warm water, soaking for 2-3 days, taking out the seeds, putting the seeds into a thermostat with the temperature of 20-25 ℃ for accelerating germination, and taking out the seeds until the seeds are white;
land preparation and seeding: ditching and irrigating the prepared nursery land in 3 months, keeping the soil of the nursery land moist, uniformly scattering the seeds after germination into the ditches and covering fine soil with the thickness of 1.5-2.5 cm;
daily management: fertilizing seedlings for 2 times in the 6 months, and trimming lateral branches and branches which have already undergone the flowering stage and the flower falling stage in time between 10 months and 12 months;
and (4) outplanting: after the seedlings are planted for 11-12 months, the seedlings are cut and transplanted.
By adopting the technical scheme, the seeds obtained from the healthy mother trees without diseases and insect pests do not carry more pathogenic bacteria, and meanwhile, the method has strong disease resistance and high seed quality, and is beneficial to reducing the morbidity of seedlings and improving the quality of the seedlings; the obtained seeds are dried and stored, so that the seeds are not easy to mildew and embryo necrosis, and the emergence rate is higher; the yellow sand is mixed in the nursery land and fine ploughing is carried out to fully mix the yellow sand and the soil, and various soil qualities can be used, so that the soil in the nursery land is more suitable for the growth of the crape myrtle, the soil is kept loose, the aerobic respiration of the root of the seedling is promoted, and the nutrients in the soil are fully absorbed; the organic fertilizer can improve the soil environment and provide rich nutrients for the growth of seedlings, so that the growth of the seedlings is more robust, the requirement of the seedlings on trace elements in the growth process is met by matching with the application of the trace element fertilizer, and the quality reduction of the seedlings caused by the trace element loss in the growth process of the seedlings is prevented; firstly, the seeds are treated at low temperature to enhance the germination rate of the seeds, then the seeds are sterilized and disinfected by potassium permanganate solution to eliminate germs carried by the seeds, so that the seedlings are not easy to suffer from diseases, the quality of the seedlings is improved, the seedlings are subjected to germination acceleration after being soaked in warm water, the germination potential of the seeds is comprehensively activated, and the seedlings have high emergence rate and good consistency; sowing the exposed seeds in the wet ditch to provide sufficient moisture for seed germination, and covering fine soil to prevent the seeds from being earthed with caps during germination to influence the expansion of true leaves; and (3) top dressing is carried out to ensure that the nutrients in the growth of the seedlings are sufficient and the seedlings can grow quickly, the nutrients are consumed by lateral branches and branches which have already undergone the flowering stage and the flower falling stage, and the nutrients are removed in time to be supplied to the main trunk in a centralized manner, so that the seedlings grow more vigorously and grow faster and reach the transplanting standard more quickly.
In a preferred example, the present invention may be further configured such that the specific steps of removing the peel are: putting capsules into a peeling container, putting steel balls into the peeling container, sealing, shaking the peeling container until peels and seeds are completely separated, opening the peeling container, sieving by using a 4-6-mesh sieve to remove peel impurities and the steel balls so as to obtain clean seeds, and then sucking the steel balls in the peel impurities by using a magnet.
By adopting the technical scheme, due to the fact that mature capsules and the peel are crisp, when the peeling container is shaken continuously, the steel balls collide with the peel, the peel is cracked easily, seeds in the peel are separated out, the seeds are not easy to damage, the seeds can be obtained through rapid filtration by the sieve, the steel balls are sucked away by the magnets and separated from the peel impurities, operation is convenient, and work efficiency is improved.
In a preferred embodiment, the invention may be further configured that the dry storage comprises the following specific steps: the aired seeds are put into a drying container layer by layer, the thickness of each layer of seeds is 3-5 cm, a drying layer is arranged between each layer of seeds, and the drying layer is lime bags, absorbent cotton cloth or silica gel particles.
Through adopting above-mentioned technical scheme, not layering when the seed, more when piling up in the container, the moisture that produces among the seed respiration process gathers in the centre easily not in order to scatter and disappear, causes the seed in the centre to go mildy and rot, and layered drying avoids more seeds to pile up and is difficult for losing moisture, and the drying layer can be fully absorbed the moisture of container, prevents that the seed from going mildy and rot.
In a preferred embodiment of the present invention, the organic fertilizer is prepared from the following raw materials in parts by volume: 68-72 parts of decomposed chicken manure and 28-32 parts of decomposed cattle manure.
By adopting the technical scheme, the decomposed chicken manure and the decomposed cattle manure are not easy to carry pathogenic bacteria and are beneficial to robust growth of seedlings, the fertilizer efficiency of the chicken manure is fast and beneficial to meeting the requirements on nutrients during the initial growth of the seedlings, the fertilizer efficiency of the cattle manure is slow and beneficial to the requirements on the nutrients during the middle and later growth of the seedlings, and the reasonable matching use of the decomposed chicken manure and the decomposed cattle manure is not easy to cause nutrition surplus and waste.
The invention in a preferred example can be further configured that 0.2% potassium permanganate solution is placed in the incubator and the liquid temperature is kept between 30-40 degrees at all times.
By adopting the technical scheme, when the temperature of the 0.2% potassium permanganate solution is lower than 30 ℃, the decomposition speed of potassium permanganate is slower, so the sterilization speed is also slower; when the temperature of the 0.2% potassium permanganate solution is higher than 40 ℃, the seed germination is accelerated at 40-50 ℃, the control of the sowing time is not facilitated, and when the temperature is higher than 50 ℃, the activity of the seeds is easily damaged; therefore, the temperature is preferably 30-40 ℃ to promote the potassium permanganate to decompose, so that the oxidation sterilization process is more easily promoted, and the sterilization effect on the seeds is better.
The invention may in a preferred example be further configured such that warm water is placed in the incubator and the liquid temperature thereof is kept between 45-50 degrees at all times.
By adopting the technical scheme, when the temperature of the warm water is lower than 45 ℃, the water absorption expansion speed of the seeds is low, and the seeds can germinate in a long time; when the temperature of the warm water is lower than 50 ℃, the activity of the seeds is easy to damage; therefore, the warm water with the temperature of between 45 and 50 ℃ is preferred to accelerate the seed imbibition and promote the metabolic process before germination, so that the method has good germination accelerating effect, and the seeds germinate in advance and have regular buds.
In a preferred embodiment, the present invention may be further configured such that the specific steps of applying fertilizer are: the first dressing of the leaf fertilizer at the beginning of 6 months and the second dressing of the compound fertilizer at the end of 6 months comprise 15 percent of nitrogen, 15 percent of phosphorus pentoxide and 15 percent of potassium oxide.
By adopting the technical scheme, the foliar fertilizer has quick fertilizer effect and high absorption and utilization rate of the seedlings, can relieve the poor absorption of the seedlings on certain nutrient elements, improves the stress resistance of the seedlings, and ensures the normal growth of the seedlings in order to meet the requirements of the seedlings on the macroelements.
The invention may further be configured in a preferred example that the low-temperature treatment comprises the specific steps of taking out the seeds in the drying container, wrapping the seeds with gauze, putting the seeds in a sealed bag, and placing the seeds in an incubator with the temperature of the incubator set between 0 and 4 ℃.
Through adopting above-mentioned technical scheme, the gauze has certain hydroscopicity, can absorb the moisture that the seed respiration produced, and the sealing bag prevents that the moisture in the incubator from getting into the seed in, prevents the too early germination of seed.
The invention in a preferred example can be further configured that after the side branches and the branches are trimmed, carbendazim is sprayed on the trimmed wounds and wrapped by plastic soft films in a multi-layer winding mode.
By adopting the technical scheme, the trimmed wound is easy to be infected with pathogenic bacteria, so that the nursery stock is diseased, the survival rate of the nursery stock is reduced or the quality of the nursery stock is reduced, carbendazim is sprayed to eliminate the pathogenic bacteria on the wound, and the plastic soft film isolates the wound from the external environment to prevent the pathogenic bacteria from entering the wound.
The invention may in a preferred embodiment be further configured such that the root cutting and transplanting is performed by cutting off old roots of the seedling, dipping the entire root of the seedling in the solution prepared from rooting powder, and transplanting.
Through adopting above-mentioned technical scheme, some old roots of nursery stock stop growing, cut the root, can promote the nursery stock root to send more new roots, improve the survival rate, and the rooting powder is favorable to the more new root of emergence of nursery stock, guarantees the higher survival rate of nursery stock, because the nursery stock root system is flourishing, the fibrous root is more, twines together easily, is unfavorable for the transportation of nursery stock, cuts convenient the transportation of root.
In summary, the invention includes at least one of the following beneficial technical effects:
1. due to the fact that mature capsules and peels are crisp, when the peeling container is shaken continuously, steel balls collide with the peels, the peels are prone to cracking, seeds in the peels are separated, the seeds can be obtained through filtering quickly through the sieve, the steel balls are sucked away through the magnet and separated from impurities of the peels, operation is convenient, and working efficiency is improved;
2. when the seeds are not layered and more seeds are accumulated in the container, moisture generated in the breathing process of the seeds is easy to gather in the middle to be not lost, so that the seeds in the middle are mildewed, layered drying avoids the phenomenon that more seeds are accumulated and the moisture is difficult to be lost, and the drying layer can fully absorb the moisture in the container to prevent the seeds from mildewing;
3. the method has the advantages that the growth of part of old roots of the nursery stocks is stopped, the roots are cut, the nursery stock roots can be promoted to send more new roots, the survival rate is improved, the rooting powder is favorable for the nursery stocks to generate new roots more quickly, the higher survival rate of the nursery stocks is ensured, the nursery stock roots are developed, more fibrous roots are easy to wind together, the transportation of the nursery stocks is not facilitated, and the roots are cut conveniently.
Drawings
FIG. 1 is a flow chart of a method of an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the method for growing seedlings of crape myrtle disclosed by the invention comprises the following steps:
collecting capsule S1: selecting mature capsules on healthy mother trees without diseases and insect pests between 9 and 11 months, namely, the mother trees without diseases and insect pests, which do not occur or are treated when the capsules are collected, removing fruit peels, airing, and putting into a drying container for drying and storage; the seeds obtained from the healthy and disease and pest-free mother trees do not carry more pathogenic bacteria, have strong disease resistance, high seed quality, are beneficial to reducing the morbidity of seedlings and improving the quality of the seedlings, dry and store the obtained seeds, and are not easy to mildew and embryo necrosis, so that the emergence rate is higher.
The method comprises the following specific steps of: putting the capsule into a peeling container, putting steel balls into the peeling container, sealing, shaking the peeling container until the peel and the seeds are completely separated, opening the peeling container, sieving with a 5-mesh sieve (in other embodiments, the mesh number can be 4 meshes or 6 meshes) to remove peel impurities and the steel balls to obtain clean seeds, and sucking the steel balls in the peel impurities with a magnet. Due to the fact that mature capsules and peels are crisp, when the peeling container is shaken continuously, steel balls collide with the peels, the peels are prone to cracking, seeds in the peels are separated, the seeds can be obtained through filtering quickly through the sieve, the steel balls are sucked away through the magnet and separated from impurities of the peels, operation is convenient, and working efficiency is improved.
The drying and storing steps are as follows: the method comprises the steps of placing aired seeds into a drying container in a layered mode, placing a drying layer on the bottom of the container, placing the seeds, circulating in sequence, wherein the uppermost layer is the drying layer, the thickness of each layer of seeds is 4 cm (in other embodiments, the thickness of the layer can be 3 cm or 5 cm), one drying layer is arranged between every two layers of seeds, the drying layer is specifically water-absorbing cotton cloth, and in other embodiments, lime bags or silica gel particles can be replaced.
When the seeds are not layered and more seeds are stacked in the container, moisture generated in the breathing process of the seeds is easy to gather in the middle and is not lost, so that the seeds in the middle are mildewed, layered drying is adopted to avoid the phenomenon that more seeds are stacked and moisture is not easy to lose, and the moisture in the container can be fully absorbed by the drying layer, so that the seeds are prevented from mildewing.
Preparing a nursery S2: preparing a nursery land at the end of 2 months in the next year, fully and finely ploughing the nursery land, mixing 1.0 kg of yellow sand (the mass of the sand in other embodiments can be 0.8 kg, 0.9 kg, 1.1 kg or 1.2 kg) with 10 kg of organic fertilizer (the mass of the organic fertilizer in other embodiments can be 8 kg, 9 kg, 11 kg or 12 kg), 0.003 kg of trace element fertilizer (the mass of the organic fertilizer in other embodiments can be 0.001 kg, 0.002 kg, 0.004 kg or 0.005 kg) per square of nursery land soil, and spraying a bactericide which is chlorothalonil or bacillus subtilis; the yellow sand is mixed in the nursery land and fine tillage is carried out to fully mix the yellow sand and the soil, multiple soil qualities can be used, the soil in the nursery land is more suitable for the growth of the lagerstroemia indica, the soil is kept loose, the aerobic respiration of the root of the seedling is facilitated to be promoted, the nutrients in the soil are fully absorbed, the organic fertilizer can improve the soil environment and provide rich nutrients for the growth of the seedling, the growth of the seedling is more robust, the microelement fertilizer is applied in a matched manner to meet the requirement of the seedling on the microelements during the growth, and the seedling is prevented from losing the microelements during the growth to cause the quality reduction of the seedling.
The organic fertilizer is prepared from the following raw materials in parts by volume: 70 parts of decomposed chicken manure (68 parts, 69 parts, 71 parts or 72 parts of decomposed chicken manure can be further adopted in other embodiments), and 30 parts of decomposed cattle manure (28 parts, 29 parts, 31 parts or 32 parts of decomposed chicken manure can be further adopted in other embodiments). Decomposed chicken manure and cattle manure are not easy to carry pathogenic bacteria and are beneficial to the robust growth of seedlings, the fertilizer efficiency of the chicken manure is fast and is beneficial to meeting the requirement on nutrients during the initial growth of the seedlings, the fertilizer efficiency of the cattle manure is slow and is beneficial to the requirement on nutrients during the middle and later growth of the seedlings, and the reasonable matching use of the decomposed chicken manure and the decomposed cattle manure is not easy to cause surplus and waste of nutrients.
Pregermination S3: taking out the seeds in the drying container, carrying out low-temperature treatment for 18 days (the treatment days in other embodiments can be 15 days, 16 days, 17 days, 19 days or 20 days), then taking out, putting into a 0.2% potassium permanganate solution, soaking for 1-2 days, taking out, washing, putting into warm water, soaking for 2-3 days, taking out the seeds, putting into a constant temperature box with the temperature of 25 ℃ for accelerating germination (the temperature in other embodiments can be 20 ℃, 21 ℃, 22 ℃, 23 ℃ or 24 ℃), and then, waiting for the seeds to be exposed to white; firstly, the seeds are treated at low temperature to enhance the germination rate of the seeds, then the seeds are sterilized and disinfected by potassium permanganate solution to eliminate germs carried by the seeds, so that the seedlings are not easy to suffer from diseases, the quality of the seedlings is improved, the seedlings are germinated after being soaked in warm water, the germination potential of the seeds is comprehensively activated, and the seedlings have high emergence rate and good consistency.
The low-temperature treatment comprises taking out the seeds from the drying container, wrapping with gauze, placing in a sealed bag, and placing in an incubator at 4 deg.C (in other embodiments, the temperature may be 0 deg.C, 1 deg.C, 2 deg.C, or 3 deg.C). The gauze has certain hydroscopicity, can absorb the moisture that the seed respiration produced, and the sealed bag prevents in the moisture entering seed in the incubator, prevents that the seed is too early to germinate.
The 0.2% potassium permanganate solution was placed in the incubator and its liquid temperature was kept between 30-40 degrees at all times. When the temperature of the 0.2% potassium permanganate solution is lower than 30 ℃, the decomposition speed of potassium permanganate is slow, so the sterilization speed is also slow; when the temperature of the 0.2% potassium permanganate solution is higher than 40 ℃, the seed germination is accelerated at 40-50 ℃, the control of the sowing time is not facilitated, and when the temperature is higher than 50 ℃, the activity of the seeds is easily damaged; therefore, the temperature is preferably 30-40 ℃ to promote the potassium permanganate to decompose, so that the oxidation sterilization process is more easily promoted, and the sterilization effect on the seeds is better.
The warm water is placed in the thermostat and its liquid temperature is kept between 45-50 degrees at all times. When the temperature of the warm water is lower than 45 ℃, the water absorption expansion speed of the seeds is slow, and the seeds can germinate in a long time; when the temperature of the warm water is lower than 50 ℃, the activity of the seeds is easy to damage; therefore, the warm water with the temperature of between 45 and 50 ℃ is preferred to accelerate the seed imbibition and promote the metabolic process before germination, so that the method has good germination accelerating effect, and the seeds germinate in advance and have regular buds.
Land preparation and sowing S4: ditching and irrigating on the prepared nursery land in 3 months, wherein the depth of the ditch is 3 cm, keeping the soil of the nursery land moist, uniformly scattering the seeds subjected to germination acceleration into the ditch, and covering fine soil with the thickness of 2.0 cm (in other embodiments, the thickness of the fine soil can also be 1.5 cm, 1.6 cm, 1.7 cm, 1.8 cm, 1.9 cm, 2.1 cm, 2.2 cm, 2.3 cm, 2.4 cm and 2.5 cm); the diameter of the soil particles of the fine soil is not more than 5mm, the seeds exposed in the white soil are sowed in the wet ditch, sufficient moisture is provided for seed germination, the fine soil is covered to prevent the seeds from being earthed with caps when the seeds germinate, the expansion of the true leaves is influenced, thinning is carried out in time, and the distance between two seedlings is 15 cm.
Daily management S5: fertilizing the seedlings for 2 times in 6 months, trimming lateral branches and branches which have already undergone a flowering stage and a flower falling stage in time between 10 months and 12 months, planting the seedlings for 10 months to 11 months, wherein the height of the seedlings can reach 50 cm to 70 cm, and the growth speed is higher than that of a common planting method; and (3) top dressing is carried out to ensure that the nutrients in the growth of the seedlings are sufficient and the seedlings can grow quickly, the nutrients are consumed by lateral branches and branches which have already undergone the flowering stage and the flower falling stage, the nutrients are removed in time to be supplied to the main trunk in a centralized manner, so that the seedlings grow more vigorously and grow faster, the transplanting standard is reached more quickly, and watering is carried out in time to prevent soil drought.
The specific steps of the topdressing fertilizer are as follows: the first dressing of the leaf fertilizer at the beginning of 6 months and the second dressing of the compound fertilizer at the end of 6 months comprise 15 percent of nitrogen, 15 percent of phosphorus pentoxide and 15 percent of potassium oxide. The foliar fertilizer has quick fertilizer effect and high absorption and utilization rate of seedlings, can relieve the poor absorption of the seedlings to certain nutrient elements, improves the stress resistance of the seedlings, and ensures the normal growth of the seedlings in order to meet the requirements of the seedlings on major elements.
After pruning the lateral branches and the branches, spraying carbendazim on the pruning wound, and winding and wrapping the pruning wound by multiple layers of plastic soft films. The trimmed wound is easy to be infected with germs, so that the nursery stock is diseased, the survival rate of the nursery stock is reduced or the quality of the nursery stock is reduced, carbendazim is sprayed to eliminate the germs on the wound, the wound is isolated from the external environment by the plastic soft film, and the germs are prevented from entering the wound.
Outplanting S6: after the seedlings are planted for 11-12 months, the seedlings are cut and transplanted. The specific steps of root cutting and transplanting include cutting off old roots of seedling, dipping the whole root of seedling in solution prepared with rooting powder and transplanting. The method has the advantages that the growth of part of old roots of the nursery stocks is stopped, the roots are cut, the nursery stock roots can be promoted to send more new roots, the survival rate is improved, the rooting powder is favorable for the nursery stocks to generate new roots more quickly, the higher survival rate of the nursery stocks is ensured, the nursery stock roots are developed, more fibrous roots are easy to wind together, the transportation of the nursery stocks is not facilitated, and the roots are cut conveniently.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. A crape myrtle seedling raising method is characterized by comprising the following steps:
collecting capsules: selecting mature capsule from healthy mother tree without diseases and insect pests between 9-11 months, removing pericarp, air drying, and drying in a drying container;
manufacturing a nursery garden: preparing a nursery land at the bottom of 2 months in the next year, fully and finely ploughing the nursery land, mixing 0.8-1.2 kg of yellow sand, 8-12 kg of organic fertilizer and 0.001-0.005 kg of trace element fertilizer in soil of each square nursery land, and spraying a bactericide;
accelerating germination: taking out the seeds in the drying container, carrying out low-temperature treatment for 15-20 days, taking out, putting the seeds into a 0.2% potassium permanganate solution, soaking for 1-2 days, taking out the seeds, washing the seeds clean, putting the seeds into warm water, soaking for 2-3 days, taking out the seeds, putting the seeds into a thermostat with the temperature of 20-25 ℃ for accelerating germination, and taking out the seeds until the seeds are white;
land preparation and seeding: ditching and irrigating the prepared nursery land in 3 months, keeping the soil of the nursery land moist, uniformly scattering the seeds after germination into the ditches and covering fine soil with the thickness of 1.5-2.5 cm;
daily management: fertilizing seedlings for 2 times in the 6 months, and trimming lateral branches and branches which have already undergone the flowering stage and the flower falling stage in time between 10 months and 12 months;
and (4) outplanting: after the seedlings are planted for 11-12 months, the seedlings are cut and transplanted.
2. A method for growing seedlings of crape myrtle according to claim 1, wherein the specific steps of removing the pericarp are as follows: putting capsules into a peeling container, putting steel balls into the peeling container, sealing, shaking the peeling container until peels and seeds are completely separated, opening the peeling container, sieving by using a 4-6-mesh sieve to remove peel impurities and the steel balls so as to obtain clean seeds, and then sucking the steel balls in the peel impurities by using a magnet.
3. A method for growing seedlings of crape myrtle according to claim 1, wherein the specific steps of dry storage are as follows: the aired seeds are put into a drying container layer by layer, the thickness of each layer of seeds is 3-5 cm, a drying layer is arranged between each layer of seeds, and the drying layer is lime bags, absorbent cotton cloth or silica gel particles.
4. A crape myrtle seedling raising method according to claim 1, wherein the organic fertilizer is prepared from the following raw materials in parts by volume: 68-72 parts of decomposed chicken manure and 28-32 parts of decomposed cattle manure.
5. A method for growing seedlings of Lagerstroemia indica according to claim 1, wherein the 0.2% potassium permanganate solution is placed in a thermostat and the liquid temperature is kept between 30-40 ℃.
6. A method for raising seedlings of crape myrtle according to claim 1, wherein the warm water is placed in an incubator and the temperature of the liquid is kept between 45 and 50 degrees at all times.
7. A method for growing seedlings of crape myrtle according to claim 1, wherein the additional fertilizer comprises the following steps: the first dressing of the leaf fertilizer at the beginning of 6 months and the second dressing of the compound fertilizer at the end of 6 months comprise 15 percent of nitrogen, 15 percent of phosphorus pentoxide and 15 percent of potassium oxide.
8. A method for growing seedlings of banaba according to claim 1, wherein the low-temperature treatment comprises the steps of removing the seeds from the drying container, wrapping the seeds with gauze, placing the seeds in a sealed bag, and placing the seeds in an incubator at a temperature of 0 to 4 ℃.
9. A method for growing seedlings of crape myrtle according to claim 1, wherein after pruning the lateral branches and twigs, carbendazim is sprayed on the pruning wound and wrapped in a multi-layer winding manner by using a plastic soft film.
10. A method for growing seedlings of Lagerstroemia indica Linne as claimed in claim 1, wherein the root cutting and transplanting is carried out by cutting off old roots of the seedlings, dipping the entire roots of the seedlings in the solution prepared from rooting powder, and transplanting.
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| CN202010007120.XA Pending CN111108844A (en) | 2020-01-03 | 2020-01-03 | Method for growing seedlings of crape myrtle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113016491A (en) * | 2021-03-17 | 2021-06-25 | 重庆市丹桂实业有限公司 | Crape myrtle seedling cultivation method |
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| CN104025846A (en) * | 2014-05-26 | 2014-09-10 | 安徽恩龙园林股份有限公司 | Crape myrtle cultivation method |
| CN105145250A (en) * | 2015-09-07 | 2015-12-16 | 安徽春都园林股份公司 | Method for cultivating crape myrtle nursery-grown plants |
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| CN106718523A (en) * | 2016-11-28 | 2017-05-31 | 全椒凤巢植保专业合作社 | A kind of method for culturing seedlings of crape myrtle |
| CN106717254A (en) * | 2016-11-24 | 2017-05-31 | 枞阳县弘阳园林绿化有限公司 | A kind of seeding growing seedlings method of crape myrtle |
| CN109156244A (en) * | 2018-08-23 | 2019-01-08 | 江苏绿苑园林建设有限公司 | A kind of container seedling culture method of crape myrtle |
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| CN104025846A (en) * | 2014-05-26 | 2014-09-10 | 安徽恩龙园林股份有限公司 | Crape myrtle cultivation method |
| CN105145250A (en) * | 2015-09-07 | 2015-12-16 | 安徽春都园林股份公司 | Method for cultivating crape myrtle nursery-grown plants |
| CN106385862A (en) * | 2016-08-31 | 2017-02-15 | 界首市金玖江农业发展有限公司 | Seedling raising method of lagerstroemia indica with high survival rate |
| CN106717254A (en) * | 2016-11-24 | 2017-05-31 | 枞阳县弘阳园林绿化有限公司 | A kind of seeding growing seedlings method of crape myrtle |
| CN106718523A (en) * | 2016-11-28 | 2017-05-31 | 全椒凤巢植保专业合作社 | A kind of method for culturing seedlings of crape myrtle |
| CN109156244A (en) * | 2018-08-23 | 2019-01-08 | 江苏绿苑园林建设有限公司 | A kind of container seedling culture method of crape myrtle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113016491A (en) * | 2021-03-17 | 2021-06-25 | 重庆市丹桂实业有限公司 | Crape myrtle seedling cultivation method |
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