CN103141265B - Pansy-industrialized plug seedling method - Google Patents
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Abstract
The invention discloses a pansy-factory-like plug seedling method, which comprises the following steps: (1) preparing matrix and filling plug; (2) sowing; (3) accelerating germination; (4) seedbed management; and (5) pansy dwarfing and hardening-seedling. The method has the advantages of creating four core technologies of standardization management of pansy-factory-like plug seedling, setting the quality standard of pansy-factory-like plug seedling products, increasing the seedling production efficiency, reducing the cost, being beneficial of unified management and promoting new technologies and the like, and therefore manufacturers are directly benefited.
Description
Technical field:
The invention belongs to horticultural gardening field, be specifically related to a kind of pansy showy flowers of herbaceous plants industrial hole plate seedling growth method.
Technical background:
Showy flowers of herbaceous plants factorial seedling growth is the fast development along with modern agriculture, and agriculture appropriate scale of operation, specialized production, mechanization and automaticity improve constantly and a ripe agriculture advanced technology occurring, are the important component parts of modern agriculture.It is under the artificial optimal environmental condition of creating, and adopts technical measures and the means such as scientific, mechanization, automation, produces a kind of advanced production mode of high quality seedling in batches.It is few that industrial breeding technique has sowing quantity compared with traditional seedling raising manners, and floor space is little; Can shorten seedling age, save seedling raise period; Can reduce as far as possible damage by disease and insect occurs; Improve the production efficiency of growing seedlings, reduce costs; Be conducive to unified management, the advantage such as spread the new technique, the anniversary of can accomplishing produces continuously.China's the mid-80 has been introduced factorial seedling growth facility and technology from foreign country, but owing to being subject to the restriction of modernization level and condition, the technology that also has some problems in seedling raising process and need to be grasped.China's showy flowers of herbaceous plants factorial seedling growth industrialization has huge development potentiality, and its development degree will become one of important symbol of China's agricultural modernization.
In China, the showy flowers of herbaceous plants factorial seedling growth of scale mainly concentrates on the developed areas such as Jiangsu-zhejiang Shanghai Area at present; but the industrial breeding technique between interzone, enterprise differs greatly; the showy flowers of herbaceous plants seedling quality of cultivating is uneven; and showy flowers of herbaceous plants seedling quality not only affect the cultivation management of showy flowers of herbaceous plants plant; and can have influence on the listing phase of the showy flowers of herbaceous plants and the quality of the showy flowers of herbaceous plants, seriously restrict showy flowers of herbaceous plants industry to scale, intensivization development.Trace it to its cause is mainly that deep enough, the not advanced seedling growing process of all kinds of showy flowers of herbaceous plants industrial breeding technique research popularizes extensive not.Because factorial seedling growth has solved seedling supply time and quality problems and obtain the generally approval in market, high quality seedling coverage rate improves year by year.Therefore how to cultivate high-quality showy flowers of herbaceous plants seedling, except necessary facility, it is crucial fully grasping showy flowers of herbaceous plants industrial breeding technique, only have and fully grasped these technology and just can make factorial seedling growth really bring into play its advantage, Zhe Shi China showy flowers of herbaceous plants factorial seedling growth industry development problem in the urgent need to address.
Summary of the invention:
The object of the present invention is to provide a kind of pansy showy flowers of herbaceous plants industrial hole plate seedling growth method.
Object of the present invention is achieved through the following technical solutions:
A kind of pansy showy flowers of herbaceous plants industrial hole plate seedling growth method, comprises following steps:
(1) prepare matrix and fill out dish: matrix comprises turfy soil, perlite and vermiculite, wherein by mass, turfy soil: perlite: vermiculite=3:1 ~ 2:1 ~ 2, pack described matrix into cave dish;
(2) sowing: adopt seeding plough sowing;
(3) vernalization: cave dish is after planting moved into germinating cabinet's vernalization, vernalization indoor temperature is 18 ~ 21 ℃, and the moisture content of matrix is saturation state, and the EC value of matrix is 0.5 ~ 0.7, vernalization indoor air humidity is 90% ~ 100%, and vernalization is hook-shaped Shi Chu germinating cabinet in matrix to seed base-root;
(4) seedbed management: the seed cave dish that vernalization is completed moves into greenhouse and carries out seedbed management and the extermination of disease and insect pest;
Before emerging, greenhouse: 18 ~ 24 ℃ of day temperatures, evening 16 ~ 18 ℃ of temperature, daytime air humidity 50% ~ 60%, evening air humidity 80% ~ 90%, illumination is 5000 ~ 20000Lux;
The microenvironment of plug media: 16 ~ 24 ℃ of substrate temperature, humidity 70% ~ 80%, pH 5.8 ~ 6.2, EC value 1.0 ~ 1.5;
When cotyledon emergence rate reaches 80% when above, reduce the content of matrix moisture content, when doing stromal surface and turning white, water again permeable, to promote that root system gos deep into matrix inside, now the temperature in greenhouse is controlled at 15 ~ 35 ℃, is preferably 18 ~ 24 ℃, and the illumination in greenhouse is controlled at 5000 ~ 10000Lux;
When there is rough leaf, the 15-0-15 that alternately application concentration is 30 ~ 60ppm and 20-10-20 nitrogen-phosphorus-potassium compound fertilizer liquid each 1 ~ 2 time weekly, the EC value of matrix is 0.5-0.8;
When root system reaches 2 ~ 3 centimetres, there is lateral root, during 3 ~ 4 true leaves, the water management of matrix is within 3 ~ 4 days, to carry out a drying and watering cycle, now the temperature in greenhouse is controlled at 15 ~ 35 ℃, be preferably 18 ~ 24 ℃, the illumination in greenhouse is controlled at 10000 ~ 15000Lux, by enriching the growing state of fertilizer and spray plant growth regulator control seedling;
Pansy root growth active period, while there is 5 ~ 6 true leaves, the temperature control in greenhouse is 15 ~ 35 ℃, be preferably 18 ~ 24 ℃, the intensity of illumination in greenhouse is at 15000 ~ 20000Lux, enrich the 20-10-20 nitrogen-phosphorus-potassium compound fertilizer liquid 1 ~ 2 time of 150 ~ 200ppm, and spray plant growth regulator control growing way;
(5) pansy dwarfing, hardening.
Above-mentioned pansy showy flowers of herbaceous plants industrial hole plate seedling growth method, it is that the measure of described dwarfing is physical measure or chemical measure, described physical measure is to control by the alternation of wetting and drying of intense light irradiation, day and night temperature and moisture; Described chemical measure is for adopting plant growth regulator at pansy one leaf wholeheartedly time, carries out uniformly foliage-spray with sprayer.
Above-mentioned pansy showy flowers of herbaceous plants industrial hole plate seedling growth method, its method that is described hardening is: the humidity of plug media is controlled to 50% ~ 60%, when here dish seedling in cave soon withers, then waters, and reduce rich water and supply with; Carry out low temperature and high temperature hardening, 8 ~ 10 ℃ of low temperature, 30 ~ 35 ℃ of high temperature, and give strong illumination, allow pansy cave dish seedling can adapt to external environment.
Above-mentioned pansy showy flowers of herbaceous plants industrial hole plate seedling growth method, when it is to prepare matrix and fills out dish, the pH value of described matrix is that 5.8 ~ 6.2, EC value is 0.5 ~ 0.7, humidity is 60% ~ 65%.
Above-mentioned pansy showy flowers of herbaceous plants industrial hole plate seedling growth method, when it is to sow, the degree of depth of sowing is 0.2 ~ 0.7cm, covering is vermiculite or perlite.
Above-mentioned pansy showy flowers of herbaceous plants industrial hole plate seedling growth method, when it is 15-0-15 that alternately application concentration is 30 ~ 60ppm and 20-10-20 nitrogen-phosphorus-potassium compound fertilizer liquid, the fertilizing amount of 15-0-15 nitrogen-phosphorus-potassium compound fertilizer liquid and 20-10-20 nitrogen-phosphorus-potassium compound fertilizer liquid is respectively 10 ~ 20ml/ strain.
Above-mentioned pansy showy flowers of herbaceous plants industrial hole plate seedling growth method, its fertilizing amount that is the 20-10-20 nitrogen-phosphorus-potassium compound fertilizer liquid of described 150 ~ 200ppm is 10 ~ 20ml/ strain.
Above-mentioned pansy showy flowers of herbaceous plants industrial hole plate seedling growth method, it is to reach 2 ~ 3 centimetres when root system, there is lateral root, during 3 ~ 4 true leaves, in order to accelerate the Fast Growth of pansy seedling, enrich weekly the 20-10-20 nitrogen-phosphorus-potassium compound fertilizer that concentration is 100 ~ 150PPm for 1 ~ 2 time, fertilizing amount is 10 ~ 20 ml/ strains, for preventing the excessive growth of pansy seedling, be affixed by weekly calcium-magnesium-containing solution or the nitrate of lime of 13-2-13-6Ca-3Mg for 1 ~ 2 time, the EC value of solution is 1.0 ~ 1.2, now by the growth rate of spray plant growth regulator control pansy seedling.
Following four kinds of invention main points in technical solution of the present invention, are provided: the vernalization technology (temperature, humidity, illumination etc.) of (1) pansy; (2) environmental management of pansy and rich water essence amount control technology (integrated control of temperature, illumination, humidity, damage by disease and insect and the use of hormone etc.); (3) dwarfing technology of pansy.(4) the hardening technology of pansy.
The term and definition of use in the present invention, the following terms and definitions are applicable to the present invention:
Batch production soilless-cultivated seedling: refer to use certain appointed condition, use soilless substrate, control the environmental conditions such as each phase temperature of growing seedlings, cultivate a kind of seedling-cultivating method in enormous quantities, high-quality of the right age strong sprout within a short period of time.
EC value: the abbreviation of Electrical Conductivity, refers to the detection index of soil soluble salinity.
Beneficial effect of the present invention:
The present invention has founded 4 core technologies of the standardized management of pansy showy flowers of herbaceous plants industrial hole plate seedling growth.Formulated the quality standard of pansy industrial hole plate seedling growth product.Improve the production efficiency of growing seedlings, reduce costs; Be conducive to unified management, the advantage such as spread the new technique, thus allow numerous manufacturers directly be benefited.
Embodiment:
Embodiment 1
One, the preparation before sowing vernalization:
1, selecting of matrix:
(1) peat composed of rotten mosses: select special without the native industrial hole plate seedling growth peat composed of rotten mosses.This peat composed of rotten mosses is rich in organic matter, has stronger ionic adsorption performance, and water binding capacity and air capacity of soils are relatively good, and fertilizer-preserving ability is strong, through strict disinfecting, is difficult for occurring the disease in seedling stage, and pH value and EC value are moderate and stable, and nursery effect is good.
(2) vermiculite: the water binding capacity of vermiculite is outstanding especially, can play the effect of moisturizing.
(3) perlite: perlitic moisture capacity is very poor, but can play the effect of ventilation.
2, the proportioning of matrix:
Turfy soil: perlite: vermiculite=3:1:1.Can, according to the feature of different regions, adjust the ratio of proportioning, as southern high humidity area of heavy rainfull, can suitably add a little perlitic ratio, the ratio of a vermiculite can be suitably added in dry area, northwest, can reach like this effect of suiting measures to local conditions.The pH value of matrix: 5.8 ~ 6.2 EC values: 0.5 ~ 0.7, point disk seedling growing requires shown in table 1 water quality.
The indication range of table 1 point disk seedling growing to water quality
| Index | Fine | Good | Still can | Poor | Extreme difference |
| EC | <0.25 | 0.25~0.5 | 0.5~1 | 1~1.5 | >1.5 |
| PH | 5.5~6.5 | 6.5~7.5 | >7.5 |
3, the humidity of matrix: 60%～65 ﹪, with hand, pinching can be agglomerating, and after loosing one's grip, flicking can scatter.
4, selecting and specification of cave dish: adopt V200 or V288.
Two, sowing adopts full-automatic precision seeding flow line
As industrial hole plate seedling growth, sowing should have the sower of essence amount to complete, and can realize the standardized production of factorial seedling growth, and can increase work efficiency.Full-automatic planter should possess independently and bankets, punching, and sowing, covers, and the device such as water.In production, according to the size of showy flowers of herbaceous plants seed, determine the degree of depth of sowing, the general sowing depth of large seed 1 centimetre of left and right (as melon, India canna. garden nasturtium, sunflower etc.), little generally the shallow bore hole of 0.2 ~ 0.5 centimetre of left and right (as petunia, Impatiens Hybriden, summer violet, snapdragon, flame nettle) etc.The sowing depth of the present invention's pansy is 0.5 centimetre of left and right, and covering is vermiculite or perlite.
Three, the vernalization technology of pansy:
1. vernalization is carried out in germinating cabinet, and germinating cabinet should be taken into account the diversity of seedling kind in design process.Separate room is unsuitable excessive, 30 square metres of left and right.In germinating cabinet, must possess the adjusting device of humidification and temperature, regulate the requirement to temp. and humidity in germination process of each kind.When the seed of broadcasting, put into germinating cabinet and just should pay close attention to, timing is observed, and should go out in time germinating cabinet, in order to avoid excessive growth while being hook-shaped in matrix until seed base-root.
2. the germination temperature of pansy should be controlled at 18 ~ 21 ℃, and the moisture of matrix reaches saturation state, and the EC value of matrix is 0.5 ~ 0.7.Pansy is to dislike light kind, and covering can be selected vermiculite or perlite.Vernalization indoor air humidity is controlled at 100%.Pansy in germinating cabinet after vernalization in 120 hours, radicle exposes, length is about 0.5 centimetre of left and right, seed arch soil, has at this moment completed whole vernalization process.
Four, the seedbed management of pansy: the seed cave dish that vernalization is completed moves into greenhouse and carries out seedbed management and the extermination of disease and insect pest
1, the control of environment
Setting up the suitable growing environment of seedling, is the basis that cultivates each veriety seedling.Comprise the climatic environment in greenhouse and the microenvironment of plug media.
Before emerging, greenhouse: temperature, 18 ~ 24 ℃ of daytimes, 16 ~ 18 ℃ of evenings, daytime air humidity 50% ~ 60%, evening air humidity 80% ~ 90%, illumination is at 5000 ~ 20000Lux.
The microenvironment of plug media: 18 ~ 22 ℃ of substrate temperature, humidity 75% ~ 80%, PH 5.8 ~ 6.2, EC value is 1.0 ~ 1.5.The microenvironment condition of above greenhouse and matrix can make pansy seedling normal growth.
2, control measures: rich water quality management is most critical in the whole production process of growing seedlings, and there is different requirements in each stage:
When cotyledon, emerge and reach 80% when above, should reduce the content of matrix moisture content, do when stromal surface is turned white and rewater, to promote root system to go deep into matrix inside.While turning white completely etc. matrix, then water permeable.Temperature should be controlled at 18 ~ 24 ℃, and illumination should be controlled at 5000 ~ 10000Lux.If crossing, illumination should give by force to shade.
While there is rough leaf, 15-0-15 and the 20-10-20 nitrogen-phosphorus-potassium compound fertilizer that application concentration is 30ppm be should replace and weekly respectively once (15-0-15 nitrogen-phosphorus-potassium compound fertilizer and 20-10-20 nitrogen-phosphorus-potassium compound fertilizer in one week, used respectively respectively once), each fertilizing amount is 20ml/ strain, and the EC value of matrix should be 0.75 ~ 0.8.
In process of growth afterwards, along with increasing of true leaf quantity, the concentration of fertilising also strengthens thereupon, and root system now has reached 2 ~ 3 centimetres, has occurred lateral root, 3 ~ 4 true leaves, a drying and watering cycle is carried out in the management of moisture about 3 ~ 4 days, (follow principle and do not do and do not water, water and irrigate) temperature is controlled at 18 ~ 24 ℃, the highest must not be higher than 35 ℃, minimum must not be lower than 15 ℃.Illumination should be controlled at 10000 ~ 15000Lux, if illumination is crossed by force, should award and shade.Now, in order to accelerate the Fast Growth of pansy seedling, increase the quantity of blade, can enrich once in a week the nitrogen-phosphorus-potassium compound fertilizer of the 20-10-20 of 100ppm, 20ml/ strain.In order to prevent the excessive growth of pansy seedling, can be affixed by 13-2-13-6Ca-3Mg calcium-magnesium-containing solution or nitrate of lime to reduce the usage amount (10 ~ 15ml/ strain) of nitrogen, 1 time weekly, the EC value of solution is between 1.0 ~ 1.2.Now, due to the increasing of fertilizer, the growth of pansy seedling is rapid, should consider that spray plant growth regulator is (with imported plants growth regulator A-Rest2000-2500PPm or 5000-10000ppm growth inhibitor B9, once a week).
, there are 5 ~ 6 true leaves in pansy root growth active period, temperature is now still at 18 ~ 24 ℃, the highlyest must not exceed 35 ℃, minimum must not be lower than 15 ℃, intensity of illumination is at 15000 ~ 20000Lux.Illumination is crossed and should be given by force suitable shading, and moisture can reduce gradually, is affixed by concentration and is the 20-10-20 nitrogen-phosphorus-potassium compound fertilizer 2 times of 150ppm, and each fertilizing amount is 20ml/ strain.When true leaf reaches 5 ~ 6, at this moment also need to control growing way with growth regulator.
3. the integrated control of damage by disease and insect:
Pansy damping off in process of growth is particularly serious, and the initial stage of morbidity occurs hygrophanous scab at the base portion of plant, and scab can extend on blade in increase gradually, and the later stage can be infected other plant around, occurs large-area decay and necrosis.
Mainly take following prophylactico-therapeutic measures: seedling medium is wanted disinfection.At 800 times of liquid of initial stage spray metalaxyl of morbidity, or with 5000 times of liquid irrigating root processing of hymexazol, 2 ~ 3 times.Keep greenhouse inner air flow, avoid occurring hot and humid poor environment.Reduce the generation of disease as far as possible.
The insect pest of pansy has: trialeurodes vaporariorum, the harm of moth class is particularly serious.Trialeurodes vaporariorum: floral leaf and abnormal leaf appear in the plant leaf being endangered by trialeurodes vaporariorum, cause malnutrition.
Prevent and treat method: physical control: be beneficial to yellow plate trapping trialeurodes vaporariorum, because trialeurodes vaporariorum is to yellow taxis, is coated with non-drying viscose glue yellow plastic plate and can traps and kills a large amount of trialeurodes vaporariorums.
Chemical control: 1500 times of liquid sprayings of phoxim of 50%, or 1000 times of liquid sprayings of 1.8% avermectin, or 1000 times of liquid sprayings of Imidacloprid, because trialeurodes vaporariorum easily develops immunity to drugs, be used alternatingly different medicaments and prevent and treat.In daily management, strengthen the air permeability in greenhouse, can reduce the generation intensity of generation and the minimizing insect pest of insect pest.
Moth class: mainly gnaw blade, can leave a lot of worm channels on blade, cause whole plant to be eaten up when serious.
Prevent and treat method: physical control: utilize and lure hungry lamp to trap and kill, carry out at night, by luring hungry lamp below to need to place a large basin that water is housed.
Chemical control: press down 2500 times of liquid sprayings of hooligan, eliminate 3000 times of liquid sprayings, the triumphant 500 times of liquid spraying of section, 1500 times of liquid sprayings of Avermectin etc.
During control, will carry out between the lights, moth class easily develops immunity to drugs, and therefore will be used alternatingly different medicaments and prevent and treat.
Five, the dwarfing technology of pansy:
The dwarfing of pansy cave dish seedling, can pass through the measure of two aspects:
Physical measure: be mainly by intense light irradiation, (increase light application time, strengthen intensity of illumination, concrete operations are to shorten the sunshade net opening time as far as possible, allow pansy seedling fully see light); (the suitable temperature difference in daytime and evening strengthens as much as possible to improve day and night temperature; Allow the pansy seedling fertilizer that rewaters when here partly withering, be beneficial to growth and the strong sprout of root system.
Chemistry measure: at pansy one leaf wholeheartedly time, carry out uniformly foliage-spray with sprayer with imported plants growth regulator A-Rest2000-2500PPm or 5000-10000ppm growth inhibitor B-9.General service time is in the dusk of fine day or the sun is not used before out relatively goodly in the morning, and use interval time is one week at every turn, in the dish seedling breeding cycle of whole pansy cave, must not use and exceedes 3 times.
Six, the finished product seedling hardening technology of pansy
This stage is mainly the control to moisture, and the humidity of plug media is controlled at 50% ~ 60%, when here dish seedling in cave soon withers, then waters, and reduces rich water and supply with.Can promote like this root growth of pansy, allow root system be covered with as soon as possible cave dish, while being convenient to transplant, extract.
Carry out evening low temperature or daytime high temperature hardening, 8 ~ 10 ℃ of low temperature, 30 ~ 35 ℃ of high temperature, award strong illumination, allow dish seedling in pansy cave can adapt to external environment.
Seven, the cave of pansy dish seedling quality standard
The quality standard of pansy is:
(1) root system is covered with cave dish, packing, and the color of root system is white.
(2) leaf look is bottle green, and the number of blade is at 5 ~ 6 true leaves.
(3) internode compactness, well developed root system, without damage by disease and insect.
(4) seedling age: summer, autumn, winter was at 50 ~ 55 days at 45 ~ 50 days at 35 ~ 45 days.
Eight, packed and transported
The transportation of cave dish seedling adopts special Packaging Box, is furnished with backing plate in case, and every case can be packed multiple caves dish seedling.The length of seedling case, wide coil than cave slightly a little bigger.The height of seedling case is greatly about 50cm left and right, and backing plate is mainly to allow in Packaging Box, and placement of multiple layers, plays a supporting role, and can determine according to the height of seedling the different size of backing plate, can reduce like this cost of transportation.Transportation has different requirements in different seasons, in summer due to excess Temperature, particularly transport distant distance, the space of ventilation must be left in the position of case mouth, in order to avoid that seedling Yin Gaowen causes is vexed rotten, transportation when winter temperature is too low, should notice that insulation avoids in transportation, because of the freeze injury that low temperature is subject to, cause unnecessary loss.
Claims (1)
1. a pansy showy flowers of herbaceous plants industrial hole plate seedling growth method, is characterized in that comprising following steps:
(1) prepare matrix and fill out dish: matrix comprises turfy soil, perlite and vermiculite, wherein by mass, turfy soil: perlite: vermiculite=3:1 ~ 2:1 ~ 2, pack described matrix into cave dish;
(2) sowing: adopt seeding plough sowing;
(3) vernalization: cave dish is after planting moved into germinating cabinet's vernalization, vernalization indoor temperature is 18 ~ 21 ℃, and the moisture content of matrix is saturation state, and the EC value of matrix is 0.5 ~ 0.7, vernalization indoor air humidity is 90% ~ 100%, and vernalization is hook-shaped Shi Chu germinating cabinet in matrix to seed base-root;
(4) seedbed management: the seed cave dish that vernalization is completed moves into greenhouse and carries out seedbed management and the extermination of disease and insect pest;
Before emerging, greenhouse: 18 ~ 24 ℃ of day temperatures, evening 16 ~ 18 ℃ of temperature, daytime air humidity 50% ~ 60%, evening air humidity 80% ~ 90%, illumination is 5000 ~ 20000Lux;
The microenvironment of plug media: 16 ~ 24 ℃ of substrate temperature, humidity 70% ~ 80%, pH 5.8 ~ 6.2, EC value 1.0 ~ 1.5;
When cotyledon emergence rate reaches 80% when above, reduce the content of matrix moisture content, when doing stromal surface and turning white, water again permeablely, to promote root system to go deep into matrix inside, now the temperature in greenhouse is controlled at 15 ~ 35 ℃, and the illumination in greenhouse is controlled at 5000 ~ 10000Lux;
When there is rough leaf, the 15-0-15 that alternately application concentration is 30 ~ 60ppm and 20-10-20 nitrogen-phosphorus-potassium compound fertilizer liquid each 1 ~ 2 time weekly, the EC value of matrix is 0.5-0.8;
When root system reaches 2 ~ 3 centimetres, there is lateral root, during 3 ~ 4 true leaves, the water management of matrix is within 3 ~ 4 days, to carry out a drying and watering cycle, now the temperature in greenhouse is controlled at 15 ~ 35 ℃, the illumination in greenhouse is controlled at 10000 ~ 15000Lux, by enriching the growing state of fertilizer and spray plant growth regulator control seedling;
Pansy root growth active period, while there is 5 ~ 6 true leaves, the temperature control in greenhouse is 15 ~ 35 ℃, and the intensity of illumination in greenhouse is at 15000 ~ 20000Lux, enrich the 20-10-20 nitrogen-phosphorus-potassium compound fertilizer liquid 1 ~ 2 time of 150 ~ 200ppm, and spray plant growth regulator control growing way;
(5) pansy dwarfing, hardening;
The measure of described dwarfing is physical measure or chemical measure, and described physical measure is to control by the alternation of wetting and drying of intense light irradiation, day and night temperature and moisture; Described chemical measure is for adopting plant growth regulator at pansy one leaf wholeheartedly time, carries out uniformly foliage-spray with sprayer;
The method of described hardening is: the humidity of plug media is controlled to 50% ~ 60%, when here dish seedling in cave soon withers, then waters, and reduce rich water and supply with; Carry out low temperature or high temperature hardening, 8 ~ 10 ℃ of low temperature, 30 ~ 35 ℃ of high temperature, and give strong illumination, allow pansy cave dish seedling can adapt to external environment;
When root system reaches 2 ~ 3 centimetres, there is lateral root, during 3 ~ 4 true leaves, in order to accelerate the Fast Growth of pansy seedling, enrich weekly the 20-10-20 nitrogen-phosphorus-potassium compound fertilizer that concentration is 100 ~ 150PPm for 1 ~ 2 time, fertilizing amount is 10 ~ 20 ml/ strains, for preventing the excessive growth of pansy seedling, the calcium-magnesium-containing solution or the nitrate of lime that are affixed by weekly 13-2-13-6Ca-3Mg for 1 ~ 2 time, the EC value of solution is 1.0 ~ 1.2, now by the growth rate of spray plant growth regulator control pansy seedling.
2. pansy showy flowers of herbaceous plants industrial hole plate seedling growth method according to claim 1, when it is characterized in that preparing matrix and filling out dish, the pH value of described matrix is that 5.8 ~ 6.2, EC value is 0.5 ~ 0.7, humidity is 60% ~ 65%.
3. pansy showy flowers of herbaceous plants industrial hole plate seedling growth method according to claim 1, while it is characterized in that sowing, the degree of depth of sowing is 0.2 ~ 0.7cm, covering is vermiculite or perlite.
4. pansy showy flowers of herbaceous plants industrial hole plate seedling growth method according to claim 1, while it is characterized in that 15-0-15 that alternately application concentration is 30 ~ 60ppm and 20-10-20 nitrogen-phosphorus-potassium compound fertilizer liquid, the fertilizing amount of 15-0-15 nitrogen-phosphorus-potassium compound fertilizer liquid and 20-10-20 nitrogen-phosphorus-potassium compound fertilizer liquid is respectively 10 ~ 20ml/ strain.
5. pansy showy flowers of herbaceous plants industrial hole plate seedling growth method according to claim 1, is characterized in that the fertilizing amount of the 20-10-20 nitrogen-phosphorus-potassium compound fertilizer liquid of described 150 ~ 200ppm is 10 ~ 20ml/ strain.
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| CN111972269A (en) * | 2020-09-14 | 2020-11-24 | 湖南省蓝鹰科技有限公司 | Soilless cultivation method of pansy by adopting nutrient solution |
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| CN114128564A (en) * | 2021-11-26 | 2022-03-04 | 宜宾似锦园林有限公司 | Turf flower cultivation method |
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