CN104446827A - Nutrient solution applied to different growth and development stages of potato seeds in greenhouse aeroponics and cultivation method - Google Patents

Nutrient solution applied to different growth and development stages of potato seeds in greenhouse aeroponics and cultivation method Download PDF

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CN104446827A
CN104446827A CN201410640094.9A CN201410640094A CN104446827A CN 104446827 A CN104446827 A CN 104446827A CN 201410640094 A CN201410640094 A CN 201410640094A CN 104446827 A CN104446827 A CN 104446827A
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potato
seedling
nutrient solution
illumination
spray
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肖英奎
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Jilin University
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Jilin University
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    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05B—PHOSPHATIC FERTILISERS
    • C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
    • 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
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G22/00—Cultivation of specific crops or plants not otherwise provided for
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture

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  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Botany (AREA)
  • Cultivation Of Plants (AREA)

Abstract

The invention relates to a potato nutrient solution and a potato cultivation method. The nutrient solution comprises the following components: macro elements namely NH4NO3, KNO3, MgSO4.7H2O, KH2PO4 and Ca(NO3)2.4H2O, and microelements namely MnSO4.4H2O, H3BO3, ZnSO4.7H2O, Na2MoO4.2H2O, CoCl2.6H2O, CuSO4.5H2O, FeSO4.7H2O, KI and Na2-EDTA. The purposes of shortening production period and increasing yield are achieved by adjusting nitrogen, phosphorus and potassium in the macro elements of the nutrient solution before the potato seed blooms and after the potato seed blooms; the mass concentrations of three reagents containing nitrogen, phosphorus and potassium in the nutrient solution before blooming are as follows: NH4NO3 is 223-309mg/L; KNO3 is 657-951mg/L; and KH2PO4 is 340-380mg/L; the mass concentrations of the three reagents in the nutrient solution after blooming are as follows: NH4NO3 is 214-253mg/L; KNO3 is 479-751mg/L; and KH2PO4 is 386-430 mg/L. The potato seed prepared by using the formula of the nutrient solution is short in production period, low in cost and large in number of born potatoes; the final yield and various physiological characteristic indexes are improved; the drought resistance capability is obviously improved.

Description

The nutritive medium of greenhouse aerosol training seed potato different growing and cultivating method
Technical field:
The present invention relates to the cultivating method of a kind of potato nutritional liquid and potato, especially greenhouse aerosol training seed potato is bloomed in earlier stage and later stage of blooming optimum nutrient solution prescription and cultivating method.
Technical background:
Although the cultivated area of China potato occupies first place in the world, output is unsatisfactory, and Potato Cultivars is single, cultivation technique backwardness relatively, and the development of novel cultivation technique is slower.Due to the Land such as soil erosion, Soil degradation, the research of cultivation technique without soil is imperative.Aerosol cultivation technology adopts continuous seepage and standardized management mode, and the impact of its not climate environmental factor, can produce various cash crop efficiently, improve the utilization ratio in soil, also promote the development of industrialized agriculture.Utilize potato aerosol cultivation technology, can artificial regulatory potato seed cultivation the growth conditions such as illumination, temperature, humidity, moisture, detect at any time and adjust the composition of nutritive medium, ensureing the abundant supply of nutritive element, the problems such as knot potato quantity is low, quality differs, lightweight can also be solved simultaneously.
The core technology of aerial fog cultivation seed potato is the preparation of nutritive medium, fewer about the research of aerial fog cultivation seed potato nutritive medium at present, in addition, the existing research majority to nutritive medium is for optimum nutrient solution concentration in same seed potato aerial fog cultivation, or the impact of same nutritive medium on different Potato Cultivars is studied.
CN 102295480 discloses one " nutritive medium of potato microtubers by greenhouse gas atomization and cultivating method ", and its nutritive medium comprises: NH 4nO 3, KNO 3, KH 2pO 4, MgSO 47H 2o, Ca (NO 3) 24H 2o, MnSO 44H 2o, H 3bO 3, ZnSO 47H 2o, Na 2moO 42H 2o, CuSO 45H 2o, FeSO 47H 2o, KI, Na 2-EDTA and CoCl 26H 2o.After the spraying of nutritive medium starts from potato virus-free plantlet field planting, spray time is: 5d before Seeding planting, and spray time is that every 5min sprays 15s; Then spray time is adjusted to 10min spraying 15s, then sprays 5d; Finally spray time is adjusted to 20min and sprays 15s.
So in prior art, the nutritive medium that also different growing of unsuitable seed potato is special, desirable.For the nutritive ingredient supply defect of seed potato growth cycle, in aerosol training seed potato growth different steps, reasonably use corresponding nutrient solution prescription, can better solve produced problem in potato production process, be conducive to aerosol training seed potato high yield, Fast-propagation, facilitate the development of Environment Controlled Agricultural Facility.
Summary of the invention:
Object of the present invention is just for above-mentioned the deficiencies in the prior art, provides a kind of greenhouse aerosol training seed potato nutritive medium;
Another object of the present invention is to provide the cultivating method of a kind of greenhouse aerosol training seed potato.
The object of the invention is to be achieved through the following technical solutions:
Greenhouse aerosol training seed potato nutritive medium, before blooming, nutritive medium is different from the shoot proliferation in Post flowering nutritive medium, comprises by mass concentration:
Post flowering macroelement:
Identical with Post flowering trace element before blooming:
The cultivating method of greenhouse aerosol training seed potato, comprises following order and step:
A, determine that Potato Cultivars carries out vernalization, selecting vernalization hormone combinations to be Plant hormones regulators,gibberellins massfraction is 0.008 ‰, and chloroethanol massfraction is 1%, and thiocarbamide massfraction is 1%, bud ratio can reach 97.78%.Environmental selection carries out vernalization in growth cabinet, and thermal creep stress is within the scope of 15 ~ 20 DEG C, and humid control, in 60% ~ 70%, carries out test of accelerating under dark surrounds.By potato cutting, stripping and slicing cutter need use 75% alcohol disinfecting, guarantees that a cutter one disappears.Stripping and slicing will have 1 ~ 2 bud, and potato block cuts rear first with clear water flushing, and hormone dries surface after soaking 20min, puts into climate box and carries out vernalization.
B, bud seedling can carry out stem apex detoxify tissue culture when growing to 2 ~ 3cm, obtain detoxic seedling.Environmental Kuznets Curves temperature 25 DEG C of humidity 80% intensity of illumination 3000lx, illumination 12h.
C, detoxic seedling are entrusted one's child to the care of sb. and carry out hardening in the fine sand matrix of having sterilized, and after entrusting one's child to the care of sb. one week, the seedling selecting growing way form consistent is taken out for aerial fog cultivation from matrix.Environmental Kuznets Curves daytime 20 ~ 25 DEG C, night 15 ~ 18 DEG C, intensity of illumination 2000lx, humidity 70 ~ 80%, shading when illumination is crossed strong.
D, seedling process: taken out from matrix by seedling, rinse with clear water, then soak 5min rooting treatment with 30mg/kg root-growing agent, is transplanted to aerosol and trains on incubator with sponge field planting and check, guarantee not light leak.Front 2d transmittance after field planting is the Shading net covering of 50%, alleviates slow seedling injury.After field planting, 10d starts to measure each index.
E, sterilization: first field planting washes away the dust on surface to cultivating facility disinfection, then use the KMnO of 0.5% the last week with clear water 4sterilizing lid, cultivation case, stationary tank, pipeline etc. are scrubbed in immersion, finally airing in the sun.
F, spray time manage: after field planting, seedling is in slow seedling state, and need the feed flow time long, therefore the present invention arranges feed flow 30s, and interval 3min cultivates ten days; Adjustment spray time and interval time after ten days, spray time adjusts to spraying 15s, interval 4min.Guarantee the ample supply of nutritive medium.
G, potato plant manage: stolon shaping age moves down 3 ~ 4 joints plant, find that Lao Ye decorporates in time.
The management of H, nutritive medium: the concentration checking nutrition every day, specific conductivity remains within 1500 ~ 2400 μ s/cm enclose.PH value remains within 5.8 ~ 6.0 scopes.Potential of hydrogen 1mol/L NaOH and HNO 3regulate.Every 7d integral replacing one time of nutrition liquid.
I, selection nutrient solution prescription air feed aeroponics plant strain growth, select a kind of formula before blooming, Post flowering selects another kind of nutrient solution prescription, during Post flowering spraying nutritive medium, spray time 15s, interval 4min.
J, in process of growth, detect Growth and development index and physical signs.
After K, knot potato, every 5d gathers and is once greater than the seed potato of 5g, gathers at night as far as possible, avoids stolon by illumination, and impact knot potato, does not destroy root tissue.The potato seed airing 7 ~ 10d gathered, is housed in afterwards in the freezer of 2 ~ 4 DEG C and preserves.
L, initial stage environmental management: gas aeroponics initial stage optimum temperature changing amplitude is daytime 20 ~ 30 DEG C, night, optimum temperuture was 15 ~ 20 DEG C.Early growth period intensity of illumination remains on 2000 ~ 3000lx, illumination 16 hours.Humidity remains on about 85%, makes CO 2within the scope of=400 ~ 1200mg/L, O 2=21%, N 2=78%.
M, later stage environmental management: the aerosol training potato growth later stage is stricter to temperature requirement, latter temperature directly affects the output of potato, the day temperature scope of tuber character is 15 ~ 25 DEG C, optimum temperuture is 17 ~ 20 DEG C, Low Night Temperature is conducive to the formation of stem tuber and expands, and optimal temperature scope is 12 DEG C ~ 18 DEG C, and the humidity of Later growth potato growth should be not too high, too high humidity easily causes disease, to the humidity general control of Later growth between 60% ~ 70%.Make CO 2within the scope of=400 ~ 1200mg/L, O 2=21%, N 2=78%
Beneficial effect: the seed potato adopting nutrient solution prescription of the present invention to obtain has sufficient nutrient in different growing, potato seed is all obviously better than other prior aries in root growth and development, stolon formation, knot potato quantity and weight, the breeding coefficient of potato is significantly improved, the production cycle of 15 ~ 25d can be shortened, ultimate capacity, physiological property index increase, drought-resistant ability obviously strengthens, and effectively solve seed potato production cycle length, tie the problems such as potato quantity is few, lightweight.Meanwhile, aerosol training potato produce environment can control, management process is simple, save labour, yield potential is large, provide a new mode of thinking for potato produces.
Specific implementation method:
Be described in further detail below in conjunction with embodiment:
Embodiment 1
1. nutrient solution prescription is selected
Macroelement:
A. before blooming: NH 4nO 3233mg/L, KNO 3870mg/L, MgSO 47H 2o 493mg/L, KH 2pO 4350mg/L, Ca (NO 3) 24H 2o 826mg/L.
B. Post flowering: NH 4nO 3243mg/L, KNO 3681mg/L, MgSO 47H 2o 493mg/L, KH 2pO 4430mg/L, Ca (NO 3) 24H 2o 826mg/L.
Trace element: MnSO 44H 2o 22.3mg/L, H 3bO 36.2mg/L, ZnSO 47H 2o 8.6mg/L, Na 2moO 42H 2o 0.25mg/L, CoCl 26H 2o 0.025mg/L, CuSO 45H 2o 0.025mg/L, FeSO 47H 2o 27.8mg/L, KI 0.83mg/L, Na 2-EDTA 37.3mg/L.
2. the cultivating method of greenhouse aerosol training seed potato, comprises the following steps:
A, select hormone combinations Plant hormones regulators,gibberellins massfraction to be 0.008 ‰, chloroethanol massfraction is 1%, and thiocarbamide massfraction is 1%, in growth cabinet, carry out vernalization, and temperature controls within the scope of 15 ~ 20 DEG C, humid control in 60% ~ 70%, unglazed photograph;
B, bud seedling grow to 2 ~ 3cm and carry out stem apex detoxify tissue culture, obtain detoxic seedling, environmental Kuznets Curves temperature 25 DEG C, humidity 80% intensity of illumination 3000lx, illumination 12h;
C, detoxic seedling are entrusted one's child to the care of sb. and carry out hardening in the fine sand matrix of having sterilized, and select the consistent seedling of growing way form and take out from matrix for aerial fog cultivation after entrusting one's child to the care of sb. one week;
D, seedling to be taken out from matrix, rinse with clear water, then take root with 30mg/kg root-growing agent immersion 5min, be transplanted on aerosol training incubator and check with sponge field planting, guarantee not light leak, the front 2d transmittance after field planting is the Shading net covering of 50%, alleviates slow seedling injury;
First E, field planting wash away the dust on surface to cultivating facility disinfection, then use the KMnO of 0.5% the last week with clear water 4sterilizing lid, cultivation case, stationary tank, pipeline, finally airing are in the sun scrubbed in immersion;
After F, field planting, seedling is in slow seedling state, starts to spray nutritive medium, arranges feed flow 30s, interval 3min, cultivates 10d; Spray time 15s is adjusted, spray intervals 4min after 10d;
G, check the concentration of nutrition, specific conductivity remains within 1500 ~ 2400 μ s/cm enclose, and pH value remains within 5.8 ~ 6.0 scopes, potential of hydrogen 1mol/L NaOH and HNO 3regulate, every 7d integral replacing one time of nutrition liquid; Select nutrient solution prescription before blooming before blooming, Post flowering selects Post flowering nutrient solution prescription, and during Post flowering spray nutritive medium, spray time is 15s, spray intervals 4min.
After H, knot potato, every 5d gathers and is once greater than the seed potato of 5g, gathers at night, avoids stolon by illumination, and impact knot potato, does not destroy root tissue, be housed in the freezer of 2 ~ 4 DEG C and preserve after the potato seed airing 7 ~ 10d gathered.
Embodiment 2
1. nutrient solution prescription is selected
Macroelement:
A. before blooming: NH 4nO 3243mg/L, KNO 3915mg/L, MgSO 47H 2o 493mg/L, KH 2pO 4340mg/L, Ca (NO 3) 24H 2o 826mg/L.
B. Post flowering: NH 4nO 3253mg/L, KNO 3622mg/L, MgSO 47H 2o 493mg/L, KH 2pO 4386mg/L, Ca (NO 3) 24H 2o 826mg/L.
Trace element: MnSO 44H 2o 22.3mg/L, H 3bO 36.2mg/L, ZnSO 47H 2o 8.6mg/L, Na 2moO 42H 2o 0.25mg/L, CoCl 26H 2o 0.025mg/L, CuSO 45H 2o 0.025mg/L, FeSO 47H 2o 27.8mg/L, KI 0.83mg/L, Na 2-EDTA 37.3mg/L.
2. the cultivating method of greenhouse aerosol training seed potato, comprises the following steps:
A, select hormone combinations Plant hormones regulators,gibberellins massfraction to be 0.008 ‰, chloroethanol massfraction is 1%, and thiocarbamide massfraction is 1%, in growth cabinet, carry out vernalization, and temperature controls within the scope of 15 ~ 20 DEG C, humid control in 60% ~ 70%, unglazed photograph;
B, bud seedling grow to 2 ~ 3cm and carry out stem apex detoxify tissue culture, obtain detoxic seedling, environmental Kuznets Curves temperature 25 DEG C, humidity 80% intensity of illumination 3000lx, illumination 12h;
C, detoxic seedling are entrusted one's child to the care of sb. and carry out hardening in the fine sand matrix of having sterilized, and select the consistent seedling of growing way form and take out from matrix for aerial fog cultivation after entrusting one's child to the care of sb. one week;
D, seedling to be taken out from matrix, rinse with clear water, then take root with 30mg/kg root-growing agent immersion 5min, be transplanted on aerosol training incubator and check with sponge field planting, guarantee not light leak, the front 2d transmittance after field planting is the Shading net covering of 50%, alleviates slow seedling injury;
First E, field planting wash away the dust on surface to cultivating facility disinfection, then use the KMnO of 0.5% the last week with clear water 4sterilizing lid, cultivation case, stationary tank, pipeline, finally airing are in the sun scrubbed in immersion;
After F, field planting, seedling is in slow seedling state, starts to spray nutritive medium, arranges feed flow 30s, interval 3min, cultivates 10d; Spray time 15s is adjusted, spray intervals 4min after 10d;
G, check the concentration of nutrition, specific conductivity remains within 1500 ~ 2400 μ s/cm enclose, and pH value remains within 5.8 ~ 6.0 scopes, potential of hydrogen 1mol/L NaOH and HNO 3regulate, every 7d integral replacing one time of nutrition liquid; Select nutrient solution prescription before blooming before blooming, Post flowering selects Post flowering nutrient solution prescription, and during Post flowering spray nutritive medium, spray time is 15s, spray intervals 4min.
After H, knot potato, every 5d gathers and is once greater than the seed potato of 5g, gathers at night, avoids stolon by illumination, and impact knot potato, does not destroy root tissue, be housed in the freezer of 2 ~ 4 DEG C and preserve after the potato seed airing 7 ~ 10d gathered.
Embodiment 3
1. nutrient solution prescription is selected
Macroelement:
A. before blooming: NH 4nO 3253mg/L, KNO 3770mg/L, MgSO 47H 2o 493mg/L, KH 2pO 4360mg/L, Ca (NO 3) 24H 2o 826mg/L
B. Post flowering: NH 4nO 3226mg/L, KNO 3581mg/L, MgSO 47H 2o 493mg/L, KH 2pO 4420mg/L, Ca (NO 3) 24H 2o 826mg/L
Trace element: MnSO 44H 2o 22.3mg/L, H 3bO 36.2mg/L, ZnSO 47H 2o 8.6mg/L, Na 2moO 42H 2o 0.25mg/L, CoCl 26H 2o 0.025mg/L, CuSO 45H 2o 0.025mg/L, FeSO 47H 2o27.8mg/L, KI 0.83mg/L, Na 2-EDTA 37.3mg/L.
2. the cultivating method of greenhouse aerosol training seed potato, comprises the following steps:
A, select hormone combinations Plant hormones regulators,gibberellins massfraction to be 0.008 ‰, chloroethanol massfraction is 1%, and thiocarbamide massfraction is 1%, in growth cabinet, carry out vernalization, and temperature controls within the scope of 15 ~ 20 DEG C, humid control in 60% ~ 70%, unglazed photograph;
B, bud seedling grow to 2 ~ 3cm and carry out stem apex detoxify tissue culture, obtain detoxic seedling, environmental Kuznets Curves temperature 25 DEG C, humidity 80% intensity of illumination 3000lx, illumination 12h;
C, detoxic seedling are entrusted one's child to the care of sb. and carry out hardening in the fine sand matrix of having sterilized, and select the consistent seedling of growing way form and take out from matrix for aerial fog cultivation after entrusting one's child to the care of sb. one week;
D, seedling to be taken out from matrix, rinse with clear water, then take root with 30mg/kg root-growing agent immersion 5min, be transplanted on aerosol training incubator and check with sponge field planting, guarantee not light leak, the front 2d transmittance after field planting is the Shading net covering of 50%, alleviates slow seedling injury;
First E, field planting wash away the dust on surface to cultivating facility disinfection, then use the KMnO of 0.5% the last week with clear water 4sterilizing lid, cultivation case, stationary tank, pipeline, finally airing are in the sun scrubbed in immersion;
After F, field planting, seedling is in slow seedling state, starts to spray nutritive medium, arranges feed flow 30s, interval 3min, cultivates 10d; Spray time 15s is adjusted, spray intervals 4min after 10d;
G, check the concentration of nutrition, specific conductivity remains within 1500 ~ 2400 μ s/cm enclose, and pH value remains within 5.8 ~ 6.0 scopes, potential of hydrogen 1mol/L NaOH and HNO 3regulate, every 7d integral replacing one time of nutrition liquid; Select nutrient solution prescription before blooming before blooming, Post flowering selects Post flowering nutrient solution prescription, and during Post flowering spray nutritive medium, spray time is 15s, spray intervals 4min.
After H, knot potato, every 5d gathers and is once greater than the seed potato of 5g, gathers at night, avoids stolon by illumination, and impact knot potato, does not destroy root tissue, be housed in the freezer of 2 ~ 4 DEG C and preserve after the potato seed airing 7 ~ 10d gathered.
Embodiment 4
1. nutrient solution prescription is selected
Macroelement:
A. before blooming: NH 4nO 3223mg/L, KNO 3951mg/L, MgSO 47H 2o 493mg/L, KH 2pO 4370mg/L, Ca (NO 3) 24H 2o 826mg/L
B. Post flowering: NH 4nO 3214mg/L, KNO 3751mg/L, MgSO 47H 2o 493mg/L, KH 2pO 4410mg/L, Ca (NO 3) 24H 2o 826mg/L
Trace element: MnSO 44H 2o 22.3mg/L, H 3bO 36.2mg/L, ZnSO 47H 2o 8.6mg/L, Na 2moO 42H 2o 0.25mg/L, CoCl 26H 2o 0.025mg/L, CuSO 45H 2o 0.025mg/L, FeSO 47H 2o27.8mg/L, KI 0.83mg/L, Na 2-EDTA 37.3mg/L.
2. the cultivating method of greenhouse aerosol training seed potato, comprises the following steps:
A, select hormone combinations Plant hormones regulators,gibberellins massfraction to be 0.008 ‰, chloroethanol massfraction is 1%, and thiocarbamide massfraction is 1%, in growth cabinet, carry out vernalization, and temperature controls within the scope of 15 ~ 20 DEG C, humid control in 60% ~ 70%, unglazed photograph;
B, bud seedling grow to 2 ~ 3cm and carry out stem apex detoxify tissue culture, obtain detoxic seedling, environmental Kuznets Curves temperature 25 DEG C, humidity 80% intensity of illumination 3000lx, illumination 12h;
C, detoxic seedling are entrusted one's child to the care of sb. and carry out hardening in the fine sand matrix of having sterilized, and select the consistent seedling of growing way form and take out from matrix for aerial fog cultivation after entrusting one's child to the care of sb. one week;
D, seedling to be taken out from matrix, rinse with clear water, then take root with 30mg/kg root-growing agent immersion 5min, be transplanted on aerosol training incubator and check with sponge field planting, guarantee not light leak, the front 2d transmittance after field planting is the Shading net covering of 50%, alleviates slow seedling injury;
First E, field planting wash away the dust on surface to cultivating facility disinfection, then use the KMnO of 0.5% the last week with clear water 4sterilizing lid, cultivation case, stationary tank, pipeline, finally airing are in the sun scrubbed in immersion;
After F, field planting, seedling is in slow seedling state, starts to spray nutritive medium, arranges feed flow 30s, interval 3min, cultivates 10d; Spray time 15s is adjusted, spray intervals 4min after 10d;
G, check the concentration of nutrition, specific conductivity remains within 1500 ~ 2400 μ s/cm enclose, and pH value remains within 5.8 ~ 6.0 scopes, potential of hydrogen 1mol/L NaOH and HNO 3regulate, every 7d integral replacing one time of nutrition liquid; Select nutrient solution prescription before blooming before blooming, Post flowering selects Post flowering nutrient solution prescription, and during Post flowering spray nutritive medium, spray time is 15s, spray intervals 4min.
After H, knot potato, every 5d gathers and is once greater than the seed potato of 5g, gathers at night, avoids stolon by illumination, and impact knot potato, does not destroy root tissue, be housed in the freezer of 2 ~ 4 DEG C and preserve after the potato seed airing 7 ~ 10d gathered.
Embodiment 5
1. nutrient solution prescription is selected
Macroelement:
A. before blooming: NH 4nO 3309mg/L, KNO 3657mg/L, MgSO 47H 2o 493mg/L, KH 2pO 4380mg/L, Ca (NO 3) 24H 2o 826mg/L
B. Post flowering: NH 4nO 3235mg/L, KNO 3479mg/L, MgSO 47H 2o 493mg/L, KH 2pO 4430mg/L, Ca (NO 3) 24H 2o 826mg/L
Trace element: MnSO 44H 2o 22.3mg/L, H 3bO 36.2mg/L, ZnSO 47H 2o 8.6mg/L, Na 2moO 42H 2o 0.25mg/L, CoCl 26H 2o 0.025mg/L, CuSO 45H 2o 0.025mg/L, FeSO 47H 2o 27.8mg/L, KI 0.83mg/L, Na 2-EDTA 37.3mg/L.
2. the cultivating method of greenhouse aerosol training seed potato, comprises the following steps:
A, select hormone combinations Plant hormones regulators,gibberellins massfraction to be 0.008 ‰, chloroethanol massfraction is 1%, and thiocarbamide massfraction is 1%, in growth cabinet, carry out vernalization, and temperature controls within the scope of 15 ~ 20 DEG C, humid control in 60% ~ 70%, unglazed photograph;
B, bud seedling grow to 2 ~ 3cm and carry out stem apex detoxify tissue culture, obtain detoxic seedling, environmental Kuznets Curves temperature 25 DEG C, humidity 80% intensity of illumination 3000lx, illumination 12h;
C, detoxic seedling are entrusted one's child to the care of sb. and carry out hardening in the fine sand matrix of having sterilized, and select the consistent seedling of growing way form and take out from matrix for aerial fog cultivation after entrusting one's child to the care of sb. one week;
D, seedling to be taken out from matrix, rinse with clear water, then take root with 30mg/kg root-growing agent immersion 5min, be transplanted on aerosol training incubator and check with sponge field planting, guarantee not light leak, the front 2d transmittance after field planting is the Shading net covering of 50%, alleviates slow seedling injury;
First E, field planting wash away the dust on surface to cultivating facility disinfection, then use the KMnO of 0.5% the last week with clear water 4sterilizing lid, cultivation case, stationary tank, pipeline, finally airing are in the sun scrubbed in immersion;
After F, field planting, seedling is in slow seedling state, starts to spray nutritive medium, arranges feed flow 30s, interval 3min, cultivates 10d; Spray time 15s is adjusted, spray intervals 4min after 10d;
G, check the concentration of nutrition, specific conductivity remains within 1500 ~ 2400 μ s/cm enclose, and pH value remains within 5.8 ~ 6.0 scopes, potential of hydrogen 1mol/L NaOH and HNO 3regulate, every 7d integral replacing one time of nutrition liquid; Select nutrient solution prescription before blooming before blooming, Post flowering selects Post flowering nutrient solution prescription, and during Post flowering spray nutritive medium, spray time is 15s, spray intervals 4min.
After H, knot potato, every 5d gathers and is once greater than the seed potato of 5g, gathers at night, avoids stolon by illumination, and impact knot potato, does not destroy root tissue, be housed in the freezer of 2 ~ 4 DEG C and preserve after the potato seed airing 7 ~ 10d gathered.

Claims (4)

1. a greenhouse aerosol training seed potato nutritive medium, is characterized in that: before blooming, nutritive medium is different from the shoot proliferation in Post flowering nutritive medium, comprises by mass concentration:
2. a cultivating method for greenhouse aerosol training seed potato, is characterized in that, comprise the following steps:
A, select hormone combinations be Plant hormones regulators,gibberellins massfraction to be 0.008 ‰, chloroethanol massfraction is 1%, and thiocarbamide massfraction is 1%, in growth cabinet, carry out vernalization, and temperature controls within the scope of 15 ~ 20 DEG C, humid control in 60% ~ 70%, unglazed photograph;
B, bud seedling grow to 2 ~ 3cm and carry out stem apex detoxify tissue culture, obtain detoxic seedling, environmental Kuznets Curves temperature 25 DEG C, humidity 80% intensity of illumination 3000lx, illumination 12h;
C, detoxic seedling are entrusted one's child to the care of sb. and carry out hardening in the fine sand matrix of having sterilized, and select the consistent seedling of growing way form and take out from matrix for aerial fog cultivation after entrusting one's child to the care of sb. one week;
D, seedling to be taken out from matrix, rinse with clear water, then take root with 30mg/kg root-growing agent immersion 5min, be transplanted on aerosol training incubator and check with sponge field planting, guarantee not light leak, the front 2d transmittance after field planting is the Shading net covering of 50%, alleviates slow seedling injury;
First E, field planting wash away the dust on surface to cultivating facility disinfection, then use the KMnO of 0.5% the last week with clear water 4sterilizing lid, cultivation case, stationary tank, pipeline, finally airing are in the sun scrubbed in immersion;
After F, field planting, seedling is in slow seedling state, starts to spray nutritive medium, arranges feed flow 30s, interval 3min, cultivates 10d; Spray time 15s is adjusted, spray intervals 4min after 10d;
G, check the concentration of nutrition, specific conductivity remains within 1500 ~ 2400 μ s/cm enclose, and pH value remains within 5.8 ~ 6.0 scopes, potential of hydrogen 1mol/L NaOH and HNO 3regulate, every 7d integral replacing one time of nutrition liquid; Select nutrient solution prescription before blooming before blooming, Post flowering selects Post flowering nutrient solution prescription, and during Post flowering spray nutritive medium, spray time is 15s, spray intervals 4min.
After H, knot potato, every 5d gathers and is once greater than the seed potato of 5g, gathers at night, avoids stolon by illumination, and impact knot potato, does not destroy root tissue, be housed in the freezer of 2 ~ 4 DEG C and preserve after the potato seed airing 7 ~ 10d gathered.
3. by the cultivating method of greenhouse according to claim 2 aerosol training seed potato, it is characterized in that, aerosol training potato growth initial stage environmental management: gas aeroponics initial stage optimum temperature changing amplitude is daytime 20 ~ 30 DEG C, night, optimum temperuture was 15 ~ 18 DEG C, early growth period intensity of illumination remains on 2000 ~ 3000lx, illumination 12 ~ 16h, shading when illumination is crossed strong, humidity remains on 70 ~ 80%, makes CO 2within the scope of=400 ~ 1200mg/L, O 2=21%, N 2=78%.
4. by the cultivating method of greenhouse according to claim 2 aerosol training seed potato, it is characterized in that, aerosol training potato growth later stage environmental management: aerosol training potato growth is stricter to temperature requirement, the day temperature of tuber character is 15 ~ 25 DEG C, nocturnal temperature is 12 DEG C ~ 18 DEG C, the humid control of Later growth potato growth is at 60% ~ 70%, CO 2=400 ~ 1200mg/L, O 2=21%, N 2=78%.
CN201410640094.9A 2014-11-12 2014-11-12 Nutrient solution applied to different growth and development stages of potato seeds in greenhouse aeroponics and cultivation method Pending CN104446827A (en)

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CN105777255A (en) * 2016-02-03 2016-07-20 中国农业大学 Fruit-vegetable crop soilless cultivation nutrient solution, preparing method and solution feed method
CN106069131A (en) * 2016-06-30 2016-11-09 广西南宁十分园生态农业科技有限公司 A kind of drought-enduring implantation methods of Rhizoma Solani tuber osi
CN106106111A (en) * 2016-07-05 2016-11-16 广东省林业科学研究院 Base portion expands the mist training case and mist culture method of class plant
CN109456102A (en) * 2018-11-19 2019-03-12 南京工业大学 A kind of preparation method of the novel nourishing liquid for aerial fog cultivation
CN110950718A (en) * 2020-01-16 2020-04-03 宁夏西吉县恒丰农业综合开发有限公司 Nutrient solution for producing original seeds of detoxified potatoes by aeroponic culture and preparation method thereof

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CN102295480A (en) * 2011-06-14 2011-12-28 吉林大学 Nutrient solution for cultivating potato microtubers by greenhouse gas atomization and cultivation method
CN103159528A (en) * 2013-03-13 2013-06-19 四川省农业科学院作物研究所 Nutrient solution and method for producing potato breeder seeds by aeroponics

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CN1220822A (en) * 1998-12-31 1999-06-30 黑龙江省农业科学院生物技术研究中心 Method of de-poison and planting for cultivating potato with soilless, no-base material and timing aerial fog and its apparatus
CN102295480A (en) * 2011-06-14 2011-12-28 吉林大学 Nutrient solution for cultivating potato microtubers by greenhouse gas atomization and cultivation method
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105777255A (en) * 2016-02-03 2016-07-20 中国农业大学 Fruit-vegetable crop soilless cultivation nutrient solution, preparing method and solution feed method
CN105777255B (en) * 2016-02-03 2019-12-13 中国农业大学 fruit and vegetable crop soilless culture nutrient solution, preparation method and liquid supply method
CN106069131A (en) * 2016-06-30 2016-11-09 广西南宁十分园生态农业科技有限公司 A kind of drought-enduring implantation methods of Rhizoma Solani tuber osi
CN106106111A (en) * 2016-07-05 2016-11-16 广东省林业科学研究院 Base portion expands the mist training case and mist culture method of class plant
CN109456102A (en) * 2018-11-19 2019-03-12 南京工业大学 A kind of preparation method of the novel nourishing liquid for aerial fog cultivation
CN110950718A (en) * 2020-01-16 2020-04-03 宁夏西吉县恒丰农业综合开发有限公司 Nutrient solution for producing original seeds of detoxified potatoes by aeroponic culture and preparation method thereof

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