CN115336500A - Cultivation method and application of high-quality pepper seeds of Chinese prickly ash - Google Patents
Cultivation method and application of high-quality pepper seeds of Chinese prickly ash Download PDFInfo
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
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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 provides a cultivation method and application of high-quality pepper seeds of Chinese prickly ash, and belongs to the technical field of high-quality seedling cultivation. Aiming at the defects existing in the cultivation of the top altar pepper seeds in the prior art, the method is combined with the natural background characteristics, a scientific regulation and control means is adopted, and the method is optimized in the aspects of habitat selection, tree form control, fertilizer and water management, fruit setting time control and under-forest grass growing management respectively, wherein the tree form control comprises the control of crown size, branch number, branch spacing, branch length and young sprout removal, the fertilizer and water management comprises the application of nitrogen, phosphorus and potassium fertilizers and micro fertilizers and the regulation of soil moisture, and finally a cultivation system capable of effectively maintaining the excellent properties of the top altar pepper seeds is formed. Practice proves that the yield and quality of the seeds of the Zanthoxylum bungeanum seed peppers cultivated by the method are greatly improved, the germination rate and the emergence rate of the seeds are remarkably improved, the excellent characters of the seeds are maintained, and meanwhile, the Zanthoxylum bungeanum seed peppers are used as fertilizers for drug replacement, so that the method is very environment-friendly.
Description
Technical Field
The invention belongs to the technical field of high-quality seedling cultivation, and particularly relates to a cultivation method and application of a high-quality pepper seed.
Background
The stability maintenance of the excellent traits of germplasm resources is a primary target for the creation and utilization of germplasm resources. The core of the quality of the seed pepper is the stability of the hereditary character, particularly whether the excellent character can be stably maintained and inherited. It has also been shown that seedling propagation may lead to a deterioration of the desirable traits, due to a decrease in seed quality between generations. Therefore, the cultivation of high-quality seed peppers becomes a key measure for planting the top altar pepper. In production practice, the emergence rate and survival rate of the seed peppers with different qualities are found to be greatly different, and the fluctuation range is between 20% and 70%, which indicates that the cultivation of high-quality seed peppers is particularly urgent and necessary.
The oriented cultivation of Zanthoxylum bungeanum Maxim is still in the initial stage. At present, in the technology for cultivating the top altar pepper, no specific cultivation measure is taken according to the product function, the technology is lack of directionality, particularly, the cultivation technology for distinguishing the seed pepper from the fresh pepper is not adopted, the application range of the product is unclear, and the development of the top altar pepper industry is limited to a great extent. Especially, many pepper farmers use the fruits of fresh peppers as seed peppers, so that the quality of seedlings is degraded, and the sustainable management of the zanthoxylum bungeanum Maxim is influenced. In conclusion, the development of the oriented cultivation technology of the pepper seeds in the top jar has important practical significance.
Summarizing, the prior approximation techniques mainly have the following problems: firstly, when the top altar pepper seedlings are cultivated, the technology of seed soaking, germination acceleration, thinning and the like is mainly used, the aim of improving the germination rate and the field survival rate of the seeds is to improve the emergence rate by improving the excellent properties of the seeds, the total quantity is relatively lacked, and the formation and maintenance of the excellent properties of the seeds are required to be strengthened; secondly, some technologies adopt grafting and other modes to cultivate seedlings, but the excellent characters are integrated, meanwhile, some characters which are unfavorable to later generations are brought, the interest and the disadvantage relationship is difficult to balance, the stability of the fruit quality characters is also poor, and the continuous ecological industry is difficult to form; thirdly, the integration of the regulation and control technology for the formation of the excellent characters of the seeds is deficient, the seeds are mainly screened by the nature, artificial and reasonable intervention measures are lacked, the seed collection is difficult, and the random property is certain.
At present, no relevant report exists on complete cultivation measures for keeping the excellent properties of the Zanthoxylum bungeanum seeds by combining natural background characteristics and adopting scientific regulation and control measures.
Disclosure of Invention
In order to solve the technical problems, the invention provides a cultivation method of high-quality pepper seeds and application thereof. Aiming at the defects in the cultivation of the top altar pepper seeds in the prior art, the method combines the characteristics of natural background, adopts scientific regulation and control means, and optimizes habitat selection, tree form control, fertilizer and water management, fruit setting time control and under-forest grass growth management, wherein the tree form control comprises the control of crown size, branch number, branch spacing, branch length and young sprout removal, the fertilizer and water management comprises the application of nitrogen, phosphorus and potassium fertilizers and micro fertilizers and the regulation of soil moisture, and finally a cultivation system capable of effectively maintaining the excellent properties of the top altar pepper seeds is formed. Practice proves that the yield and quality of the seeds of the Zanthoxylum bungeanum seed peppers cultivated by the method are greatly improved, the germination rate and the emergence rate of the seeds are remarkably improved, the excellent characters of the seeds are maintained, and meanwhile, the Zanthoxylum bungeanum seed peppers are used as fertilizers for drug replacement, so that the method is very environment-friendly.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a method for cultivating high-quality pepper seeds, which comprises five aspects of habitat selection, tree form control, fertilizer and water management, fruit setting duration control and under-forest grass growing management.
Preferably, the habitat is selected from a stone surface, a stone ditch and a stone groove niche of a sunny slope.
The ecological niche is selected to adjust the light reflectivity and the day and night temperature difference, the illumination time of the ecological niche is long, and the accumulation of primary and secondary metabolites can be promoted. This technical measure is intended to promote the formation of genetic material by the habitat layout.
Preferably, the tree form control specifically comprises five aspects of crown width size, branch number, branch spacing, branch length control and young shoot extirpation.
Preferably, the size of the crown is controlled to be (3-4) mx (3-4) m, the number of the branches is controlled to be 48-60, the distance between adjacent branches is controlled to be 0.3-0.5 m, the length of the branches is controlled to be 0.5-0.8 m, and the young shoots are specifically picked off by spring shoots and summer shoots which germinate in 4-6 months.
The method is characterized by further comprising the step of manually removing over-dense flower buds during crown width size control, and the purpose of crown width size control is to improve the utilization efficiency of resources, reduce redundant space and avoid excessive ecological niche overlapping.
The control of the length of the branch is realized through the path of branch pruning, the pruning part of the branch accounts for 20-30% of the whole branch length, and the branch is kept 0.5-0.8 m long after pruning, so that the nutrients of the branch can be fully accumulated. And the mode of pruning small branches is adopted, so that pruning large branches is avoided. Aims to reduce lignification pressure of young shoots, facilitate nutrient accumulation of the shoots, promote flower bud differentiation and improve fruit quality.
The purpose of the young sprout extirpation is to prevent the young sprout from growing over competition for nutrients and influencing the accumulation of seed substances.
Preferably, the fertilizer and water management specifically comprises application of nitrogen, phosphorus and potassium fertilizers and micro-fertilizers and adjustment of soil moisture, wherein the nitrogen fertilizer is a high-nitrogen sulfur-based compound fertilizer, the phosphorus and potassium fertilizer is monopotassium phosphate, and the micro-fertilizer is a calcium fertilizer.
Preferably, the nitrogen fertilizer is a high-tower nitro-sulfur-based compound fertilizer, the application time is 10 months to the end, and the application amount is 50-200 g per plant; the phosphorus-potassium fertilizer is an aqueous agent prepared by adding 50kg of water into 30-50 g of monopotassium phosphate, the application time is 7 middle ten days, and the application amount is 0.8-1.2 kg per plant; the micro-fertilizer is a water-soluble fertilizer for secondary elements of the doctor with pepper, and is applied once in the middle 3 months and last 4 months.
The nitrogen fertilizer is applied on the principle of low amount, and late induction of young shoots is strictly prevented. The high-tower nitro-sulfenyl compound fertilizer registration certificate number, qian agricultural fertilizer (2014) No. 0607, is produced by Guizhou phosphorus-opening group GmbH, and the application amount is adjusted according to tree vigor.
The doctor pepper medium element water-soluble fertilizer is produced by Sichuan Guanghong agro-chemical Limited company, ca is more than or equal to 170g/L, and the registration certificate number of the fertilizer is the agricultural fertilizer (2018) standard 8058 number; when the pesticide is applied, 8-12 g of the pesticide is mixed with 15kg of water, 10-12 mature peppers are sprayed, and the front and back surfaces of the leaves are preferably dripped.
Preferably, the soil moisture regulation is to maintain the soil moisture at 20-30% for 1/2 day.
And the water content of the soil is maintained by watering in non-rainfall weather, and the watering interval is 12-15 days. Secondary biomass accumulation can be induced by water stress.
Preferably, the fruit setting time is controlled within 160-180 d in 3-10 months.
The purpose of the fruit setting time is to increase the time shift so that the time of the secondary metabolic reaction is enough.
Preferably, the under-forest grass growing management is to control the height of under-forest grass plants to be 30-50 cm.
During the height control of the herbaceous plants under the forest, the ultrahigh part is slowly mowed by a mower, and the main part of the pepper in the top altar is prevented from being injured. The herbaceous plant layer of this height can play retaining soil moisture conservation, for the effect such as the new host plants of plant diseases and insect pests creation.
The invention also provides application of the cultivation method in planting the top altar pepper high-quality seed pepper.
Compared with the prior art, the invention has the following technical effects:
(1) The seed yield and quality are greatly improved. By adopting the method, the yield of the seed pepper can be improved by more than 1 time, and the seed pepper can be germinated after being picked, so that the phenomena of quality reduction such as mildew, inactivation and the like caused by long-term preservation of seeds are avoided; in addition, the diameter of the seed peel is larger, the dry matter content is higher, the accumulation time of secondary metabolites is longer, and the seed quality is also greatly improved.
(2) The germination rate and the emergence rate of the seeds are obviously improved. On the basis of improving the seed quality, the germination rate and the survival rate of the seeds are also obviously increased, supplementary planting and supplementary planting measures are hardly adopted, the afforestation cost is reduced, the reverse succession of stony desertification can be quickly restrained, and the ecological economic benefit is realized; the quality of the nursery stock is improved, the production management cost is greatly reduced, ecological and large-scale planting is facilitated, and the nursery stock becomes the optimal pioneer tree species and economic tree species. Especially, the zanthoxylum bungeanum Maxim is mainly planted in the dry and hot valley areas, the adaptability is improved, and the labor expenditure for afforestation is greatly reduced.
(3) The excellent properties of the seeds are maintained. Due to the adoption of ecological measures, the use of medicaments and hormones is reduced, the excellent properties of the seeds are maintained, and the problem of forest stand degradation caused by seedling transplantation is avoided. The invention focuses on creating a natural environment suitable for the growth of the pepper, applies moderate stress, has longer growth time displacement and ensures that secondary metabolites can be fully accumulated, thereby preserving excellent genetic characters. The method not only improves the yield and quality of the pepper, but also realizes the stability of characters, thereby having greater reference value and reference significance for the cultivation of other woody plant seedlings.
(4) Fertilizer is used as a substitute for medicine. Different from the traditional other technologies which use a large amount of medicaments, the method mainly reduces the use of pesticides and realizes ecological planting by measures of improving soil fertility, controlling pruning and the like; meanwhile, the advantages and effects of the under-forest herbal layer are fully utilized, the use of herbicides is also avoided, and pollution-free planting is realized. In conclusion, the method greatly reduces the application amount of chemical agents from the source, effectively improves the quality of the pepper fruits, and preserves good properties to a greater extent, so that the method has greater popularization value.
Detailed Description
The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. Modifications or substitutions to methods, steps or conditions of the present invention may be made without departing from the spirit and nature of the invention. The materials used in the following examples are commercially available, and the methods used in the examples are not specifically described and are consistent with those conventionally used.
The technical solution of the present invention is further illustrated in detail by the following examples.
Example 1
In valley bottom areas with the elevation of about 550 meters, selecting pepper which is 10 years old in forest, is in a vigorous growth period, has the tree height of 2.5-3 m, the average crown width of about 3-3.5 m, has better growth vigor and does not have obvious plant diseases and insect pests, and cultivating the top altar pepper seeds by adopting the following method:
(1) Selecting niches such as stone surfaces, stone ditches and stone grooves of the sunny slope.
(2) The crown width is controlled to be 3m multiplied by 3.5m, the number of the branches is controlled to be 60, the distance between the adjacent branches is controlled to be 0.3m, and the dense flower buds are manually removed.
(3) Pruning small branches and avoiding pruning big branches. The pruning part of the branch accounts for 20 percent of the length of the whole branch, and the branch is kept 0.8m long after pruning.
(4) The high tower nitro-sulfur-based compound fertilizer (fertilizer registration No. Qian agriculture fertilizer (2014) No. 0607, manufactured by Guizhou Kaisha group Limited) is applied at the bottom of 10 months, the dosage is 180 g/strain, and the dosage is adjusted according to the tree vigor. The induction of young shoots in later period is strictly prevented by using low dose as a principle.
(5) 50g of potassium dihydrogen phosphate is mixed with 50kg of water, and the mixture is sprayed in 7 middle-month ten days, wherein the dosage of the aqueous solution is 0.8kg per plant.
(6) Applying a water-soluble fertilizer of secondary elements of the doctor Pepper (Sichuan Guangguanghua GmbH, ca is more than or equal to 170g/L, fertilizer registration certificate number: agricultural fertilizer (2018) Standard 8058), adding 15kg of water according to 12g, spraying 12 ripe Pepper, and applying once in the middle 3 th month and the last 4 th month respectively, and preferably beginning to drip water from the front and the back of the leaves.
(7) In non-rainfall weather, the watering interval is 12-15 days, so that the soil moisture is maintained within 30% in 1/2 days.
(8) And in 4-6 months, removing the germinated spring shoots and summer shoots to prevent the young shoots from excessively competing for nutrients and influencing the accumulation of seed substances.
(9) The fruit setting time is controlled to be 160 days (3 months to 10 months).
(10) The height of the herbaceous plants under the forest is controlled to be 40cm, the parts above the herbaceous plants are mowed slowly by a mower, and meanwhile, the main stems of the zanthoxylum bungeanum in the top altar are prevented from being injured.
By determination, by using the method of the embodiment, the single-plant yield of the top altar pepper species is 7-8 kg, the wart-like bulge on the surface of the peel is obvious, the color is dark green, and the pepper species can slightly reflect light under the irradiation of sunlight. The picking time can be continued to 9 months, the fruit drop rate is low, and the spicy substances of the seeds are mellow and durable. The germination experiment of the obtained seeds shows that the germination rate is more than 80 percent, and the survival rate is close to 90 percent. Through preliminary measurement and calculation, compared with the traditional seedlings, the afforestation cost is reduced by more than 40%, and the ecological restoration effect on the area with complex niche is obvious.
Example 2
In valley waist areas with the altitude of about 800 meters, selecting pepper with forest age of 10 years, which is in a vigorous growth period, has the tree height of 2.5-2.8 m, the average crown width of about 2.5-3 m, good growth vigor and no obvious plant diseases and insect pests, and cultivating the top altar pepper seeds by adopting the following method:
(1) Selecting niches such as stone surfaces, stone ditches and stone grooves of the sunny slope.
(2) The crown width is controlled to be 3.5m multiplied by 3.5m, the number of branches is controlled to be 55, the distance between adjacent branches is controlled to be 0.4m, and the over-dense flower buds are manually removed.
(3) Pruning small branches and avoiding pruning big branches. The pruning part of the branch accounts for 25 percent of the length of the whole branch, and the branch is kept 0.7m long after pruning.
(4) 150 g/plant of high tower nitro-sulfur-based compound fertilizer (fertilizer registration No. Qian agriculture fertilizer (2014) quan-type 0607, produced by Guizhou phosphorus-opening group GmbH) is applied at the bottom of 10 months, and the dosage is adjusted according to tree vigor. And (3) strictly preventing the induction of young shoots in the later period on the principle of low dose.
(5) 50kg of 40g of monopotassium phosphate is added with water, and is sprayed in 7-month ten days, wherein the dosage of the aqueous agent is 1.0kg per plant.
(6) Applying a moderate-element water-soluble fertilizer for doctor Pepper (Sichuan Guangguang agro-chemical Co., ltd., ca of more than or equal to 170g/L, fertilizer registration certificate No.: agricultural fertilizer (2018) No. 8058), adding water of 15kg according to 10g, spraying 10 mature pricklyash peel, applying once in the middle of 3 months and before 4 months, and preferably beginning to drip water from the front and back of the leaves.
(7) In non-rainfall weather, the watering interval is 12 to 15 days, so that the soil moisture is maintained within 30 percent in 1/2 day.
(8) And in 4-6 months, removing the germinated spring shoots and summer shoots to prevent the young shoots from excessively competing for nutrients and influencing the accumulation of seed substances.
(9) The fruit setting time is controlled to be 170 days (3 months to 10 months).
(10) The height of the herbaceous plants under the forest is controlled to be 40cm, the parts above the herbaceous plants are mowed slowly by a mower, and meanwhile, the main stems of the zanthoxylum bungeanum in the top altar are prevented from being injured.
Through determination, by using the method of the embodiment, the yield of each plant of the Zanthoxylum bungeanum seed pepper reaches 7-8 kg, the content of essential amino acid and non-essential amino acid in the peel is sequentially larger than 2400 and 4500mg/kg, the potential of generating precursor substances such as secondary metabolites is large, and a foundation is laid for the formation of excellent genetic characters. The field experiments show that the germination rate of the seeds and the transplanting survival rate of the seedlings are both more than 85 percent, the replanting rate is extremely low, and the afforestation cost is reduced by 30 to 40 percent. Comprehensive evaluation shows that the quality character quality index of the seeds in the area is also very excellent, so that the method is a relatively suitable pepper seed cultivation base, and practical reference and support are provided for pepper seed cultivation in the top jar.
Example 3
In a valley top area with the altitude of about 1100 meters, selecting pepper which is 10 years old in forest, is in a vigorous growth period, has the tree height of 2.5-3 m, the average crown width of about 3m, and has good growth vigor and no obvious plant diseases and insect pests, and cultivating the pepper seeds in the top jar by adopting the following method:
(1) Selecting niches such as stone surfaces, stone ditches and stone grooves of the sunny slope.
(2) The crown width is controlled to be 4m multiplied by 4m, the number of the branches is controlled to be 48, the distance between the adjacent branches is controlled to be 0.5m, and the dense flower buds are manually removed.
(3) Pruning small branches and avoiding pruning big branches. The pruning part of the branch accounts for 30 percent of the length of the whole branch, and the branch is kept 0.6m long after pruning.
(4) 120 g/plant of high tower nitro-sulfur-based compound fertilizer (fertilizer registration No. Qian agriculture fertilizer (2014) No. 0607, manufactured by Guizhou Kaisha group Limited) is applied at the bottom of 10 months, and the dosage is adjusted according to tree vigor. The induction of young shoots in later period is strictly prevented by using low dose as a principle.
(5) 30g of potassium dihydrogen phosphate is mixed with 50kg of water, and the mixture is sprayed in 7 middle ten days, wherein the dosage of the aqueous solution is 1.2kg per plant.
(6) Applying a moderate-element water-soluble fertilizer for doctor Pepper (Sichuan Guangguang agro-chemical Co., ltd., ca of more than or equal to 170g/L, fertilizer registration certificate No.: agricultural fertilizer (2018) No. 8058), adding 15kg of water according to 8g, spraying 10 mature Chinese prickly ash, applying once in the middle of 3 months and before 4 months, and preferably beginning to drip water from the front and the back of the leaves.
(7) In non-rainfall weather, the watering interval is 12-15 days, so that the soil moisture is maintained within 25% in 1/2 days.
(8) And in 4-6 months, removing the germinated spring shoots and summer shoots to prevent the young shoots from excessively competing for nutrients and influencing the accumulation of seed substances.
(9) The fruit setting time is controlled to be 180 days (3 months to 10 months).
(10) The height of the herbaceous plants under the forest is controlled to be 50cm, the parts with the height higher than the herbaceous plants are mowed slowly by a mower, and meanwhile, the main stems of the zanthoxylum bungeanum in the top altar are prevented from being injured.
Through measurement, by using the method of the embodiment, the average yield of the single plant of the Zanthoxylum bungeanum seed pepper is 7-9 kg, and the maximum value is close to 12kg. The peel is dark green, which shows that wart is prominent, the peel is thick, the dry matter content is high, the fragrance is thick, the numb taste is lasting, and the flavor characteristic is obvious. The germination rate of the seeds is more than 85 percent, the survival rate is close to 90 percent, the survival rate of transplanting seedlings also reaches more than 85 percent, and the success rate of one-time afforestation is higher. Because the area has higher altitude, lower temperature and larger humidity, after the technical measure is adopted, the upper limit of the planting altitude of the zanthoxylum bungeanum Maxim is improved, and the planting area is enlarged.
Comparative example 1
The zanthoxylum bungeanum in the comparative example is a zanthoxylum bungeanum grown in a natural state, the forest age is 10 years, the tree height is 2.5-3 m, the average crown width is about 3m, and the growth condition is good.
Comparing the experimental results of the examples 1-3 and the comparative example 1, the yield of the Zanthoxylum bungeanum Maxim is improved to 6-8 kg/plant from 3-5 kg/plant of the comparative example 1 by using the method of the invention, and is increased by about 1 time; the germination rate and the survival rate of the seeds are respectively improved to 80-90 percent and more than 85 percent from 20-50 percent and 50-60 percent of the comparative example 1; compared with comparative example 1, the root system, the plant height and the root length of the nursery stock are increased by 20 to 30 percent. The method can fundamentally solve the problem of excellent character degradation of the seedlings and can fundamentally delay the growth decline of the Zanthoxylum bungeanum Maxim.
Comparative example 2
The top altar pepper in the comparative example is planted by using the fertilization method in the invention patent top altar pepper special fertilization method (CN 201811013750.7), the forest age is 10 years, the tree height is 2.5-3 m, the average crown width is about 3m, and the growth condition is good.
Comparing the experimental results of the examples 1-3 and the comparative example 2, the method of the invention improves the yield and the emergence rate of the zanthoxylum bungeanum by 40-50% compared with the comparative example 2; the germination accelerating method is more conventional, and the seedling raising cost is reduced. Meanwhile, because a large amount of medicaments are not adopted to perform inductive stimulation on plant growth and seed formation (formation and accumulation of secondary metabolites), the seed character obtained by the method is more stable, the seedling leaves are more robust and healthy, and the problems of low germination rate of the seeds of the Zanthoxylum bungeanum Maxim and large-area growth decline of the plants are effectively solved.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (10)
1. The cultivation method of the high-quality pepper seeds is characterized by comprising five aspects of habitat selection, tree form control, fertilizer and water management, fruit setting time control and under-forest grass growing management.
2. The method of claim 1, wherein the habitat is selected from the group consisting of a stone surface, a stone furrow, and a stone groove niche of a sunny slope.
3. The cultivation method according to claim 2, wherein the tree form control specifically comprises five aspects of crown size, branch number, branch spacing, branch length control and young shoot extirpation.
4. The cultivation method according to claim 3, wherein the crown width is controlled to be (3-4) mx (3-4) m, the number of the branches is controlled to be 48-60, the distance between the adjacent branches is controlled to be 0.3-0.5 m, the length of the branches is controlled to be 0.5-0.8 m, and the young shoots are specifically picked off by spring shoots and summer shoots which germinate in 4-6 months.
5. The cultivation method as claimed in claim 4, wherein the fertilizer water management includes application of nitrogen, phosphorus and potassium fertilizers and trace elements and adjustment of soil moisture, wherein the nitrogen fertilizer is a high nitrogen and sulfur-based compound fertilizer, the phosphorus and potassium fertilizer is monopotassium phosphate, and the trace elements are calcium fertilizers.
6. The cultivation method as claimed in claim 5, wherein the nitrogen fertilizer is a high-tower nitro-sulfur-based compound fertilizer, the application time is 10 months to the end, and the application amount is 50-200 g/plant; the phosphorus-potassium fertilizer is an aqueous solution prepared by adding 50kg of water to 30-50 g of monopotassium phosphate, the application time is 7 ten days in the middle of the month, and the application amount is 0.8-1.2 kg per plant; the micro-fertilizer is a water-soluble fertilizer of secondary elements of the doctor pepper, and is applied once in the middle 3 th of month and in the last 4 th of month.
7. The cultivation method according to claim 6, wherein the soil moisture regulation is specifically to maintain the soil moisture at 20% to 30% for 1/2 day.
8. The cultivation method as claimed in claim 7, wherein the fruit setting period is controlled within 160-180 d of 3-10 months.
9. The cultivation method as claimed in claim 8, wherein the under-forest grass growth management is to control the height of under-forest grass plants to 30-50 cm.
10. The use of the cultivation method according to any one of claims 1 to 9 in the planting of high-quality pepper species in Zanthoxylum piperitum.
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