CN102124887B - Flower forcing method enabling blossom of rhododendron lapponicum in Spring Festival - Google Patents
Flower forcing method enabling blossom of rhododendron lapponicum in Spring Festival Download PDFInfo
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- CN102124887B CN102124887B CN2010105771483A CN201010577148A CN102124887B CN 102124887 B CN102124887 B CN 102124887B CN 2010105771483 A CN2010105771483 A CN 2010105771483A CN 201010577148 A CN201010577148 A CN 201010577148A CN 102124887 B CN102124887 B CN 102124887B
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Abstract
The invention relates to a flower forcing method enabling blossom of rhododendron lapponicum in Spring Festival. The method comprises the following steps: preparing a greenhouse, processing the potted rhododendron lapponicum before flower forcing, controlling the temperature, humidity, illumination, ventilation, moisture, fertilizers and sterilization management in the greenhouse when buds appear, managing the temperature and humidity when the buds show colors and the like. The method provided by the invention is simple and practical, is easy to operate, can be used for accurately controlling the flower forcing time of the rhododendron lapponicum in Spring Festival within 30-42 days and shortening the flower forcing time and is a key technology in the large-scale production of rhododendron lapponicum.
Description
[technical field]
The invention belongs to field of plant growing technology.More specifically, the present invention relates to bloom the Spring Festival method of flower forcing of a kind of alpine rose.
[background technology]
Alpine rose is big type of one in the azalea resource that enriches, and it is by no squama azalea subgenus, the monkeyhead rhododendron leaf in squama azalea subgenus, the root of Egg-shaped Leaves Rhododendron subgenus is arranged, the cultivar that century-old hybridization is cultivated on the process.The alpine rose potted flower is important pot flowers kind, because of it huge total shape umbellate form inflorescence is arranged on the one hand, usually at 15-20 centimetre; Indivedual kinds can reach more than 25 centimetres, gay colours, graceful colored appearance; Beautiful plant type is very popular, becomes generally acknowledged high-grade potted flower.She has very strong adaptive faculty on the other hand, especially ability-26 ℃ low temperature four seasons of not falling leaves evergreen, and do not need special facility, be not only and enjoy the annual flower of making a pet of, or the improved seeds that beautify of township afforestation.
Alpine rose nature florescence most of areas is all in the 4-5 month.Several years ago mainly from external import finished product, domestic in recent years potted plant alpine rose demand goes up at double, but because the flower forcing technology does not break through, can't satisfy the supply in market in the Spring Festival, has limited plantation and the production of alpine rose.
Domestic researcher has also done some researchs to the florescence control technology of alpine rose.One Chinese patent application CN101243747 proposes to be placed under 10 ℃ of environment forced dormancy 2-3 month through the plant that will need florescence control; The environmental temperature of these alpine roses is warmed to more than 20 ℃ from 10 ℃ gradually; Every day while, light filling was 12 hours, bloomed successively after flower forcing 4-6 week.What but this patent application was directed against is the kind that chilling requirement is low, be prone to bloom, and the flower forcing time is long.
See that from actual effect the major defect of existing flower forcing technology is following: (1) flower forcing time is oversize, generally need the flower forcing phase more than 3 months; (2) be not suitable for all kinds.Alpine rose has early blossoming, middle flower and late flowering variety, and the optical tech of heating is mainly used in flower variety flower forcing early; (3) accurate blooming control.(4) because can't find under 10 ℃ of environment forced dormancy 2-3 month in various places, so operation easier is high.In addition, the difficult point of alpine rose flower forcing is can't make in the short time its petal colour developing.
In order to overcome these defectives that prior art exists, be necessary to develop bloom the Spring Festival method of flower forcing of a kind of alpine rose, the inventor is through a large amount of experimental studies, in conjunction with production experience for many years, accomplished the present invention.
[summary of the invention]
[technical problem that will solve]
The purpose of this invention is to provide bloom the Spring Festival method of flower forcing of a kind of alpine rose.
[technical scheme]
The present invention realizes through following technical proposals.
The present invention relates to bloom the Spring Festival method of flower forcing of a kind of alpine rose.The step of this method is following:
(1) preparation in greenhouse
It is closely-spaced disconnected to use the new plastic film that inside, greenhouse is separated into film, and is equipped with shading screen, warming-up device, adds light device, hot water watering appliance and humidification apparatus;
Uniformity of temperature profile in the greenhouse, temperature range are 20-28 ℃;
Add the light intensity of illumination and be not less than 500Lux;
The closely-spaced disconnected inner 1.5T bucket of placing in greenhouse, bucket is furnished with water pump, nontransparent watering tube and spray gun, and the water that uses is pH6, the good water of the following water quality of EC 0.6mS/cm;
Humidity in the greenhouse is controlled at more than 90%;
(2) processing of potted flower before flower forcing
The alpine rose potted flower of treating flower forcing is placed in more than 5 ℃ in the low temperature greenhouse according to kind and specification; Then immediately toward its foliage spray spray water; The soil ball waters, and moves in the flower forcing greenhouse of in step (1), preparing, then toward its blade face positive and negative spray broad-spectrum germicide again;
Flower forcing technical management when (3) petal is sprouted
In petal is sprouted time of 22-32 days, control greenhouse temperature, humidity, illumination, ventilation, moisture, applying fertilizer and spraying fungicide simultaneously;
Management when (4) petal reveals look
Reveal look in 5-10 days time at petal, offset goes out from the greenhouse by basin 30% bud to be revealed the potted flower of look closely-spaced, is placed on the place of greenhouse ventilation printing opacity, and the control day temperature is not higher than 18 degree, and nocturnal temperature is not less than 10 ℃.
A preferred embodiment of the invention, described bactericide are selected from topsin, tpn or carbendazim broad-spectrum germicide.
According to another kind of preferred implementation of the present invention, in step (3), after flower forcing begins preceding 3-4 days, nocturnal temperature is controlled at 14-18 ℃, is controlled at 24 ℃ later on, and minimum temperature is not less than 22 ℃, and daytime, maximum temperature was no more than 30 ℃.
According to another kind of preferred implementation of the present invention, in step (3), in first week; Humidity remains on 100%, and foliage spray every day spray water 4-5 time straightens up to sagging and curling blade; Reduce gradually then and spray, make humidity keep more than 95%.
According to another kind of preferred implementation of the present invention, in step (3), first week added shading screen; Blade up to sagging and curling straightens; Reduce gradually afterwards and shade the time, daylight is controlled at 10000-20000lux, is controlled at 35000-40000lux in this step later stage illumination; Every day, periodicity of illumination was 16 hours.
According to another kind of preferred implementation of the present invention; In step (3), every morning, noon, afternoon, the 14-15 point ventilated two to three times, each ventilation time 5-30 minute; Keep temperature to be not less than 12 degree simultaneously, the potted flower in air port avoids receiving cold wind and directly blows from the bottom during ventilation.
According to another kind of preferred implementation of the present invention, when watering, the temperature of watering is consistent with the temperature in greenhouse in step (3), and potted flower soil is seen and driedly seen wetly, irrigates and does not parch, and it is wet to prevent that basin soil from continuing, and keeps substrate pH 5-5.5.
According to another kind of preferred implementation of the present invention, in step (3), every day, blade face, petal sprayed the water-soluble 15-5-25 fertilizer of 150ppm; The water-soluble 20-10-20 fertilizer one that the past matrix of beginning in the 15th day is executed 150ppm makes the EC value of matrix reach 0.7-1.0mS/cm to secondary.
A preferred embodiment of the invention in step (3), alternately sprays once described broad-spectrum germicide medicine each week, and the positive and negative of alpine rose leaf is drenched, and in time clears up disease leaf and residual branch.
Below the present invention will be described in more detail.
The present invention relates to bloom the Spring Festival method of flower forcing of a kind of alpine rose.
The step of this method is following:
(1) preparation in greenhouse
It is closely-spaced disconnected to use the new plastic film that inside, greenhouse is separated into film, and is equipped with shading screen, warming-up device, adds light device, hot water watering appliance and humidification apparatus.
The film that inside, greenhouse is divided into is closely-spaced disconnected, and the following potted flower of 60cm specification needs every square metre 2 basin of area approximately, and the above basin of 70cm specification needs every square metre of 0.9-1.5 basin of area approximately.
Uniformity of temperature profile in the greenhouse, temperature range are 20-28 ℃.Can adopt the method that adopts usually in the present technique field to realize uniformity of temperature profile in the greenhouse; A plurality of temperature detection instruments are set in the greenhouse simultaneously detect its Temperature Distribution, described temperature detection instrument is any temperature detection instrument that adopts usually in the present technique field of selling in the market.
Add the light intensity of illumination and be not less than 500Lux.The for example configurable warm light type electricity-saving lamp of sea green source board 45W, the spacing 1m of this lamp, the height 2m of; Perhaps 150w high-pressure mercury lamp, the spacing 6m of this lamp, height 2.5m.Light application time needs to control with timer, and described timer is any timer that adopts usually in the present technique field of selling in the market.
In order to water hot water, the 1.5T bucket is placed in closely-spaced disconnected inside, greenhouse, and bucket is furnished with water pump, nontransparent watering tube and spray gun, and the water that uses is pH 6, the good water of the following water quality of EC 0.6mS/cm.
Humidity in the greenhouse is controlled at more than 90%, in order to reach this requirement, can use per 20 square metres of immersion heaters, is placed on the method for 30 kilograms of Plastic Drum boiling water humidifications.Boil water 24 hours uninterruptedly with immersion heater.Note in time adding water, safety utilization of electric power.
(2) processing of potted flower before flower forcing
After the alpine rose potted flower of treating flower forcing is put according to kind and specification in low temperature greenhouse more than 5 ℃; Carrying out the vaporific water and soil ball of foliage spray immediately waters; Move into then in the step (1) in the ready flower forcing greenhouse, then at the positive and negative spray broad-spectrum germicide on alpine rose blade face.
The broad-spectrum germicide that the present invention uses for example is topsin, tpn or carbendazim.Topsin claims that again handwoven cloth looses; Be the substituted beneze-group fungicides of a kind of efficient, low toxicity, wide spectrum; Inhale bactericidal action in having; Have protection and therapeutic action concurrently, can prevent and treat powdery mildew on the various crop such as paddy and wheat, sweet potato, fruit tree, vegetables and cotton, stalk break, gray mold, anthracnose etc., people and animals' low toxicity.
Tpn is the substituted benzene ornamental plant common fungicide of a kind of wide spectrum, low toxicity, low-residual, contact killing type; Multiple fungal disease to plants such as landscape flowers all has the better prevention effect; Can be used for preventing and treating anthracnose, downy mildew, rust, powdery mildew etc.; Inhale conduction in it does not have, can not be absorbed from the root system of spray medicine position and plant.Tpn has good tackness at plant surface, is difficult for being had the long drug effect phase by rain drop erosion.
Carbendazim has another name called No. 44, carbendazol, benzene well imidazoles, and various crop is had control efficiency by the disease that fungi (like imperfect fungus, many sac fungis) causes.Can be used for foliage spray spray water, seed treatment and soil treatment etc.
The consumption of broad-spectrum germicide can be the suggestion consumption in the said microbial inoculum operation instructions.
The broad-spectrum germicide administration time, occuring as main bactericide (for example tpn) with the prevention disease should spray before the disease not taking place, and is chosen in fine day and sprays; With the treatment function is that master's carbendazim etc. then sprays when disease just takes place, and is preferably in fine day equally and sprays.
Flower forcing technical management when (3) petal is sprouted
Kind according to alpine rose is different, and this stage needs 22-32 days, during this period, needs temperature, humidity, illumination, ventilation, moisture in the strict control greenhouse, strengthens fertilizer and sterilization management.
On temperature, after flower forcing begins preceding 3-4 days adopt the said temperature control method that nocturnal temperature is controlled at 14-18 ℃, later on nocturnal temperature are controlled at 24 ℃, and minimum temperature is not less than 22 ℃, and daytime, maximum temperature control was no more than 30 ℃.
Aspect humidity, in first week, the method that adopts the front to describe remains on 100% usually with humidity; Foliage spray every day spray water 4-5 time; Straighten up to sagging and curling blade, reduce gradually then and spray spray water, but humidity should remain on more than 95%.The kind that this process has needs controlled humidity to reach week to ten day.
First week added shading screen, straightened up to sagging and curling blade, reduced gradually afterwards and shaded the time.Daylight is controlled at about 10000-20000lux, and later stage illumination is controlled at 35000-40000lux.If produce nearby, can strictness shade.
Every day, periodicity of illumination was 16 hours, and it is subduing, daybreak former and the cloudy day all should be carried out light filling, to reach above-mentioned illumination requirement.The duration of this process need use timer to carry out strictness control.Described timer is any timer that adopts usually in the present technique field of selling in the market.
Every morning, noon, afternoon, the 14-15 point ventilated two to three times, and each ventilation time 5-30 minute, keep temperature to be not less than 12 degree simultaneously, unlimited suitable for reading during ventilation, avoid cold wind directly to blow the potted flower in air port from the bottom as far as possible.The standard-sized sheet full cut-off is wanted in the greenhouse ventilation skylight, forbids keeping opening a crack.
When watering, note use warm water, the temperature of watering is consistent with the room temperature in greenhouse, and the principle of watering is to let soil see driedly see wetly, irrigates and does not parch, and it is wet to prevent that basin soil from continuing, and maintenance substrate pH 5-5.5.Water the morning, and the rainy day at cloudy day can not watered then and do not watered.
Aspect fertilising, every day, blade face, petal sprayed the water-soluble 15-5-25 fertilizer of 150ppm; The 15th day the beginning matrix execute 150ppm water-soluble 20-10-20 fertilizer one to secondary, about matrix EC value 0.7-1.0mS/cm.
Described water soluble composite fertilizer 15-5-25 counts 15% (weight) in said composite fertilizer gross weight with N, with P
2O
5Meter 5% (weight) is with K
2O counts 25% (weight), and described water soluble composite fertilizer 20-10-20 counts 20% (weight) in said composite fertilizer gross weight with N, with P
2O
5Meter 10% (weight) is with K
2O counts 20% (weight), and described water soluble composite fertilizer is any water soluble composite fertilizer of selling in the market.
In this stage, alternately spray once a kind of broad-spectrum germicide recited above each week, the leaf positive and negative is drenched.In time sick leaf of cleaning and residual branch, sick leaf of clear up and residual branch be fixed-point processing in addition in the greenhouse.
Management when (4) petal reveals look
Kind according to alpine rose is different, and this stage needs 5-10 days.
Offset goes out from the greenhouse by basin 30% bud to be revealed the potted flower of look closely-spaced, is placed on the place of greenhouse ventilation printing opacity, has a basin to remove a basin.Prevent in full bloom too early.The control day temperature is not higher than 18 degree, and nocturnal temperature is not less than 10 ℃.
In the present invention, 30% bud reveals look and is to be understood that to 30% of bud sum and begins to expose color.
Method of the present invention is in the flower forcing process; Improve substrate temperature through potted flower pouring warm water; In the flower forcing greenhouse, force heat hot water to discharge steam simultaneously; Evenly increase potted flower petal temperature and humidity, nutritional need when the petal foliar applied fertilizer satisfies flowering reaches the open fast purpose of petal in conjunction with measures such as greenhouse illumination and temperature control, damage by disease and insect preventions.In case petal begins to reveal look, can make things convenient for blooming control through single adjustment.
[beneficial effect]
Method of the present invention has following beneficial effect:
Technical method of the present invention is precisely held the alpine rose mechanism of blooming, and method is simple, be easy to operation, the flower forcing time was controlled in 30-42 days, and prior art then needs 60-90 days.Because the flower forcing time shortens, the greenhouse turnover increases, and the light cost of heating significantly reduces, thereby has realized scale, batch production and the precision of flower forcing, and effect and economic benefit are fairly obvious.
[embodiment]
Embodiment 1
(1) preparation in greenhouse
Used in the greenhouse that just need heat itself the new plastic film with one striding and be divided into long 30 meters in the greenhouse in the winter time on November 20, wide 8 meters, the little space that height is 2.5 meters reaches the top around little and seals with new film, the film top covering 75% rate shade net that shelters from heat or light.
5 150w high-pressure mercury lamps are installed according to the general layout of 6 meters of spacings in little top in the greenhouse, and timer switch is installed.
The closely-spaced disconnected inner 1.5T bucket of placing in the greenhouse, bucket is furnished with water pump, nontransparent watering tube and spray gun, and the water that uses is pH 6, the good water of the following water quality of EC 0.6mS/cm.
Place 12 30 kilograms of Plastic Drums and be filled with water for little in the greenhouse, place immersion heater in every barrel, with immersion heater boil water 24 hours uninterrupted.
(2) processing of potted flower before flower forcing
The hat width of cloth 60cm ghent azalea potted flower with a high standard Nova Zember that on November 20 120, basin was treated flower forcing is after 8 ℃ of low temperature greenhouses are put; Carrying out the vaporific water and soil ball of foliage spray immediately waters; In the ready flower forcing greenhouse, then spray 1000 times chlorothalonil in the immigration step on November 23 (1) at the positive and negative on blade face.
Flower forcing technical management when (3) petal is sprouted
According to the habit of alpine rose kind Nova Zember, belong to medium difficulty flower forcing kind.On temperature, between 23 to 27 November, nocturnal temperature is controlled at 18 ℃, is controlled at 24 ℃ later on, and minimum temperature is not less than 22 ℃, and daytime, maximum temperature was no more than 30 ℃.
Aspect humidity, between 23 to 28 November, humidity remains on 100%; Fine foliage spray spray water 5 times, overcast and rainy foliage spray spray water 4 times straightens up to sagging and curling blade; Reduce gradually then and spray spray water, humidity keeps more than 95%.
Between 23 to 30 November, added shading screen, straighten, reduce gradually afterwards and shade the time up to sagging and curling blade.Be controlled at 10000-20000lux with illumination daytime, and its later stage is controlled at 35000-40000lux with illumination.
Every day, periodicity of illumination was 16 hours, and it is subduing, daybreak former and the cloudy day all need add light.The duration of this process will use timer to carry out strictness control.
Every day is with boiling water in the immersion heater evaporation bucket.
Every morning, noon, afternoon, the 14-15 point ventilated two to three times, and each ventilation time 5-30 minute, keep temperature to be not less than 12 degree simultaneously, unlimited suitable for reading during ventilation, avoid cold wind directly to blow the potted flower in air port from the bottom as far as possible.The standard-sized sheet full cut-off is wanted in the greenhouse ventilation skylight, forbids keeping opening a crack.
When watering, note use warm water, the room temperature in water temperature and greenhouse is consistent, and the principle of watering is to let soil see driedly see wetly, irrigates and does not parch, and it is wet to prevent that basin soil from continuing, and maintenance substrate pH 5-5.5.Water the morning, and the rainy day at cloudy day can not watered then and do not watered.
Aspect fertilising, spray the water-soluble 15-5-25 fertilizer of 150ppm every day toward blade face, petal; The 15th day the beginning matrix execute 150ppm water-soluble 20-10-20 fertilizer one to secondary, matrix EC value is 0.7-1.0mS/cm.
In this stage, alternately spray 1000 times chlorothalonil each week one time, the leaf positive and negative is drenched.In time sick leaf of cleaning and residual branch, sick leaf of clear up and residual branch be fixed-point processing in addition in the greenhouse.
More than handle and last till December 17 always.
Management when (4) petal reveals look.
Closely-spaced offset goes out from the greenhouse by basin when beginning that the bud of alpine rose 30% quantity revealed look on December 17, is placed on the place of greenhouse ventilation printing opacity, has a basin to remove a basin.Prevent in full bloom too early.The control day temperature is not higher than 18 degree, and nocturnal temperature is not less than 10 ℃.
This stage alpine rose kind Nova Zember basically shifted out the flower forcing greenhouse to December 24.
Adopt the inventive method to carry out alpine rose kind Nova Zember flower forcing accumulative total whole process and need 34 days.
Embodiment 2
(1) preparation in greenhouse: with embodiment 1.
(2) processing of potted flower before flower forcing
120 basins treat that the hat width of cloth 60cm ghent azalea potted flower with a high standard Germinia of flower forcing is after 8 ℃ of low temperature greenhouses are put; Carrying out the vaporific water and soil ball of foliage spray immediately waters; Move into then in the step (1) in the ready flower forcing greenhouse, then toward the chlorothalonil of 1000 times of the positive and negative sprays on blade face.
Flower forcing technical management when (3) petal is sprouted
According to the habit of alpine rose kind Germinia, the difficulty because bud is sprouted belongs to very difficult flower forcing kind.On temperature, after flower forcing begins preceding 4 days, nocturnal temperature is controlled at 18 ℃, is controlled at 24 ℃ later on, and minimum temperature is not less than 22 ℃, and daytime, maximum temperature was no more than 30 ℃.
Aspect humidity, in first week, humidity remains on 100%, fine foliage spray spray water 5 times, and overcast and rainy foliage spray spray water 4 times straightens up to sagging and curling blade, reduces gradually then and sprays spray water, and humidity keeps more than 95%.This kind of this process needs 7 days.
First week added shading screen, straightened up to sagging and curling blade, reduced gradually afterwards and shaded the time.Be controlled at illumination about 10000-20000lux daytime, and the later stage is controlled at 35000-40000lux with illumination.
Every day, periodicity of illumination was 16 hours, and it is subduing, daybreak former and the cloudy day all need add light.The duration of this process will use timer to carry out strictness control.
Every day is with boiling water in the immersion heater evaporation bucket.
Every morning, noon, afternoon, the 14-15 point ventilated two to three times, and each ventilation time 5-30 minute, keep temperature to be not less than 12 degree simultaneously, unlimited suitable for reading during ventilation, avoid cold wind directly to blow the potted flower in air port from the bottom as far as possible.The standard-sized sheet full cut-off is wanted in the greenhouse ventilation skylight, forbids keeping opening a crack.
When watering, note use warm water, the room temperature in water temperature and greenhouse is consistent, and the principle of watering is to let soil see driedly see wetly, irrigates and does not parch, and it is wet to prevent that basin soil from continuing, and maintenance substrate pH 5-5.5.Water the morning, and the rainy day at cloudy day can not watered then and do not watered.
Aspect fertilising, every day, blade face, petal sprayed the water-soluble 15-5-25 fertilizer of 150ppm; The 15th day the beginning matrix execute 150ppm water-soluble 20-10-20 fertilizer one to secondary, matrix EC value is 0.7-1.0mS/cm.
In this stage, alternately spray 1000 times chlorothalonil each week one time, the leaf positive and negative is drenched.In time sick leaf of cleaning and residual branch, sick leaf of clear up and residual branch be fixed-point processing in addition in the greenhouse.
This stage, alpine rose kind Germinia need continue 32 days.
Management when (4) petal reveals look.
With embodiment 1.
This stage, alpine rose kind Germinia need last for another ten days.
Adopt the inventive method to carry out the omnidistance flower forcing accumulative total of alpine rose kind Germinia and need 42 days.
The comparative example 1:
(1) preparation in greenhouse
5 150w high-pressure mercury lamps are installed according to the general layout of 6 meters of spacings in the position that greenhouse inner height itself that just need heat in the winter time is 2.5 meters, and timer switch is installed.
(2) processing of potted flower before flower forcing
In mid or late October, select the alpine rose kind bloom easily, treat that petal forms after, the mandatory dormancy of alpine rose is carried out in the high mountain or the suitable zone of other temperature that are transported to 10 degrees centigrade.After 2-3 month dormancy; The alpine rose potted flower of treating flower forcing is transported to after ready flower forcing greenhouse is put in the step (1); Carrying out the vaporific water and soil ball of foliage spray immediately waters; Move into then in the flower forcing greenhouse, then spray 1000 times chlorothalonil at the positive and negative on blade face.
Flower forcing technical management when (3) petal is sprouted
According to the habit of alpine rose kind Nova Zember, belong to medium difficulty flower forcing kind.On temperature, after flower forcing begins preceding 4 days, nocturnal temperature is controlled at 16 ℃, is controlled at 24 ℃ later on, and minimum temperature is not less than 22 ℃, and daytime, maximum temperature was no more than 30 ℃.
Every day, periodicity of illumination was 16 hours, and it is subduing, daybreak former and the cloudy day all need add light.This process
In this stage, alternately spray 1000 times chlorothalonil each week one time, the leaf positive and negative is drenched.In time sick leaf of cleaning and residual branch, sick leaf of clear up and residual branch be fixed-point processing in addition in the greenhouse.
This stage, alpine rose kind Nova Zember need continue 25 days.
Management when (4) petal reveals look.
Offset went out from the greenhouse by basin when the bud of alpine rose 30% quantity was revealed look closely-spaced, was placed on the place of greenhouse ventilation printing opacity, had a basin to remove a basin.Prevent in full bloom too early.The control day temperature is not higher than 18 degree, and nocturnal temperature is not less than 10 ℃.
This stage, alpine rose kind Nova Zember need continue 7 days.Adopt prior art to carry out alpine rose Nova Zember flower forcing accumulative total whole process and need 68 days.
Claims (2)
1. the alpine rose method of flower forcing of blooming the Spring Festival is characterized in that the step of this method is following:
(1) preparation in greenhouse
It is closely-spaced disconnected to use the new plastic film that inside, greenhouse is separated into film, and is equipped with shading screen, warming-up device, adds light device, hot water watering appliance and humidification apparatus;
Uniformity of temperature profile in the greenhouse, temperature range are 20-28 ℃;
Add the light intensity of illumination and be not less than 500Lux;
The closely-spaced disconnected inner 1.5T bucket of placing in greenhouse, bucket is furnished with water pump, nontransparent watering tube and spray gun, and the water that uses is pH6, the good water of the following water quality of EC 0.6mS/cm;
Humidity in the greenhouse is controlled at more than 90%;
(2) processing of potted flower before flower forcing
The alpine rose potted flower of treating flower forcing is placed in more than 5 ℃ in the low temperature greenhouse according to kind and specification; Then immediately toward its foliage spray spray water; The soil ball waters, and moves in the flower forcing greenhouse of in step (1), preparing, then toward its blade face positive and negative spray broad-spectrum germicide again;
Flower forcing technical management when (3) petal is sprouted
In petal is sprouted time of 22-32 days, control greenhouse temperature, humidity, illumination, ventilation, moisture, simultaneously applying fertilizer with spray broad-spectrum germicide;
After flower forcing begins preceding 3-4 days, nocturnal temperature is controlled at 14-18 ℃, is controlled at 24 ℃ later on, and daytime, maximum temperature was no more than 30 ℃;
In first week, humidity remains on 100%, and foliage spray every day spray water 4-5 time straightens up to sagging and curling blade, reduces gradually then and sprays, and makes humidity keep more than 95%;
First week added shading screen, straightened up to sagging and curling blade, reduced gradually afterwards and shaded the time, and daylight is controlled at 10000-20000lux, is controlled at 35000-40000lux in this step later stage illumination; Every day, periodicity of illumination was 16 hours;
Every morning, noon, afternoon, the 14-15 point ventilated two to three times, and each ventilation time 5-30 minute, keep temperature to be not less than 12 degree simultaneously, the potted flower in air port avoids receiving cold wind and directly blows from the bottom during ventilation; The temperature of watering is consistent with the temperature in greenhouse, and potted flower soil is seen and driedly seen wetly, irrigates and does not parch, and it is wet to prevent that basin soil from continuing, and keeps substrate pH 5-5.5;
Every day, blade face, petal sprayed the water-soluble 15-5-25 fertilizer of 150ppm; The water-soluble 20-10-20 fertilizer one that the past matrix of beginning in the 15th day is executed 150ppm makes the EC value of matrix reach 0.7-1.0mS/cm to secondary;
Alternately spray broad-spectrum germicide each week one time, the positive and negative of alpine rose leaf is drenched, and in time clears up disease leaf and residual branch;
Management when (4) petal reveals look
Reveal look in 5-10 days time at petal, offset goes out from the greenhouse by basin 30% petal to be revealed the potted flower of look closely-spaced, is placed on the place of greenhouse ventilation printing opacity, and the control day temperature is not higher than 18 degree, and nocturnal temperature is not less than 10 ℃.
2. method according to claim 1 is characterized in that described broad-spectrum germicide is selected from topsin, tpn or carbendazim.
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| CN108605784A (en) * | 2017-11-12 | 2018-10-02 | 柳州市天立农林科技有限公司 | A kind of flower-forcing method of Jasmine |
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