CN109362523A - A kind of globe amaranth method for culturing seedlings - Google Patents
A kind of globe amaranth method for culturing seedlings Download PDFInfo
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- CN109362523A CN109362523A CN201811264936.XA CN201811264936A CN109362523A CN 109362523 A CN109362523 A CN 109362523A CN 201811264936 A CN201811264936 A CN 201811264936A CN 109362523 A CN109362523 A CN 109362523A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/60—Flowers; Ornamental plants
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
- A01C1/08—Immunising seed
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
- A01G24/12—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material containing soil minerals
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- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
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Abstract
The present invention relates to planting technical fields, and in particular to a kind of globe amaranth method for culturing seedlings.Globe amaranth method for culturing seedlings of the invention includes Seed sterilization, hot wind processing, seed soaking, site preparation sowing, seedling management, and wherein hot wind processing can make the villus of globe amaranth outer covering of the seed sufficiently loose, the budding time of globe amaranth seed is greatly shortened；In seedling management, present invention employs alkaline buffer systems to have prepared nutrient solution, sprays to globe amaranth seedling, and the globe amaranth seedling after making transplanting, the color of Post flowering is rendered as bluish violet, is color not available for nature globe amaranth.The globe amaranth nursery cultivated using the method for the present invention, bud ratio, healthy rate, emergence rate are obviously improved, and emergence rate has reached 95.5%, and healthy rate has reached 97.3%, and it is difficult to solve the problems, such as that globe amaranth seed is sprouted.
Description
[technical field]
The present invention relates to planting technical fields, and in particular to a kind of globe amaranth method for culturing seedlings.
[background technique]
Globe amaranth (scientific name is Gomphrena globosa L.), alias: crape myrtle, fireball flower, Amaranthaceae, Gomphrena one
The upright herbaceous plant of year life, 20-60 centimetres high, stem thickness is strong, there is branch, and branch slightly at four prismatics, there is grey rough hair, closeer when young,
Section portion is slightly expanded.Blade papery, oblong or square round shape obovate, 3.5-13 centimetres long, 1.5-5 centimetres wide, the anxious point in top
Or round blunt, spur, base portion is gradually narrow, marginal wavy, and there are fleck, the long pubescence of white and echinid in two sides, and petiole is 1-1.5 centimetres long,
There is the long pubescence of grey.The flower of globe amaranth is terminal flower, and pattern is mostly red, purple.
Globe amaranth seed is kidney-shaped, is covered with villus, and the exosper of globe amaranth seed is harder, leads to thousand days after planting
Red seed germination is difficult, emergence is slow, and emergence rate is relatively low, and the villus in addition wrapping up globe amaranth seed also hinders globe amaranth seed
Fertilizer is drawn, causes globe amaranth growth of seedling slow, easy generation damping-off of globe amaranth seed etc. causes globe amaranth seedling to fall
Volt, death.Currently, the emergence rate of globe amaranth seed is lower in globe amaranth large-scale planting, and only 63.3%, globe amaranth seedling
Easily hair damping-off, using it is commercially available stand it is withered rather carry out disengaging seed soaking, treated, and globe amaranth damping-off of larch Seedlings disease incidence is reduced to
15.2%.
[summary of the invention]
Goal of the invention of the invention is: what for globe amaranth germination, difficult, growth of seedling slowly, easily lodged asks
Topic provides a kind of globe amaranth method for culturing seedlings for improving globe amaranth seed germination rate, emergence rate and seedling health rate.
To achieve the goals above, The technical solution adopted by the invention is as follows:
A kind of globe amaranth method for culturing seedlings, comprising the following steps:
(1) it Seed sterilization: takes globe amaranth seed to clean in clear water and suitably rubs, make the suede of red the surface of the seed in thousand days
Hair is loose, is subsequently placed into 3-3.5% liquor natrii hypochloritis and impregnates 20-30 second, takes out and stands 15-20 second, repetition immersion with it is quiet
Set step 2-3 times；It places into bactericidal liquid II and stirs 5-8 minutes, taking-up obtains sterilizing globe amaranth seed；
(2) hot wind is handled: sterilizing globe amaranth seed is layed on the gauze of 12 mesh, laying with a thickness of 0.8-1cm, paving
If the gauze for covering 12 mesh after again on sterilizing globe amaranth seed, carries out hot wind processing, and taking-up obtains hot wind processing globe amaranth kind
Son；
(3) soak seed: it is small that hot wind processing globe amaranth seed is put into immersion 8-10 in the seed soaking solution that temperature is 35-38 DEG C
When, then to be added in seed soaking solution with the clear water of seed soaking solution equivalent, keep temperature be 20-22 DEG C continue to impregnate 26-30 it is small
When, taking-up obtains seed soaking globe amaranth seed；
(4) site preparation is sowed: in nursery, successively laying depth is the walnut shell of 3-5cm, with a thickness of 8- from the bottom to top
The peat of 12cm, the thin river sand with a thickness of 1-1.5cm, the globe amaranth seed that will then soak seed are 1.3-1.4kg/ mus by application rate
It is sowed, after planting re-lays the thin river sand that a layer thickness is 0.8-1.2cm, after planting the water content of holding peat layer is
18-19%；
(5) seedling management: after growing 2 true leaves after globe amaranth emergence, spray nutritious liquor I is carried out, sprayed one every 4-6 days
It is secondary；After climbing groundsel seedling grows 5 true leaves, stop the film progress hardening that the temperature in greenhouse adjusts and raises greenhouse both ends,
Period was every 8-10 days spray nutritious liquor II；Globe amaranth seedling can be transplanted after growing 8 true leaves.
Further, following mass concentration ingredient is contained in the bactericidal liquid II: the gingko episperm of 1-1.5% extracts
Object, the harmel extract of 0.8-1%, 0.1% Tween-20.
Further, the temperature of the hot wind processing is 38-42 DEG C, and the time is 4-6 hours.
Further, the ingredient of following mass concentration: 20-25ppm brassin lactones, 200- is contained in the seed soaking solution
230ppm extract of willow bark, pinus yunnanensis extract 400-450ppm, 10-15ppm compound sodium nitrophenolate, 8-10ppm6- benzylamino
Purine.
Further, the preparation method of the nutrient solution I is as follows: taking sodium dihydrogen phosphate to be formulated as molar concentration to be
The solution A of 0.2mol/L takes disodium hydrogen phosphate to be formulated as the second liquid that mass concentration is 0.2mol/L, by the volume of liquid A and liquid B
Than 5.3-16:84-94.7 be uniformly mixed be formulated as bottom liquid, bottom liquid is heated to 44-46 DEG C, then in the bottom liquid of heating press matter
Measure densimeter, add following component: 0.05-0.06% urea, 0.05-0.07% ammonium hydrogen carbonate, 0.06-0.07% potassium nitrate,
0.03-0.05% magnesium sulfate, 0.03-0.05% ferrous sulfate.
Further, the ingredient of following mass concentration: 0.10-0.12% urea, 0.12- is contained in the nutrient solution II
0.13% calcium nitrate, 0.03-0.05% potassium dihydrogen phosphate, 0.03-0.05% magnesium sulfate, 0.03-0.05% magnesium sulfate, 0.03-
0.05% aluminum sulfate.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
The problem of 1. present invention is harder according to globe amaranth seed exosper skin and villous wraps up, present invention employs a systems
Column processing includes sterilization, hot wind processing, seed soaking, seedling management, and the emergence rate of globe amaranth seed has reached 95.5%, and emergence rate reaches
To 95%, in addition, its pattern of globe amaranth seedling Post flowering that the present invention cultivates is in hyacinthine to blue.
2. the present invention sterilizes globe amaranth seed using using two kinds of bactericidal liquids, wherein bactericidal liquid I is ethyl alcohol, secondary chlorine
Sour sodium has preferable killing effect to the surface of the seed germ, since sodium hypochlorite has compared with high-penetration ability, impregnates for a long time
Seed can be damaged, cause protein denaturation, therefore sterilized using immersion process multiple in short-term；Bactericidal liquid II be by
Vegetable-derived components extraction fromginkgoseed coat, harmel extract recycle Tween-20 to play emulsification, the effect of dispersion is made
Bactericidal liquid, globe amaranth seed is sterilized again, avoid to the greatest extent Rhizoctonia solani Kuhn cause damping-off and lead to thousand
Day red appearance lodging, death；Using the method for the present invention treated globe amaranth seed, the healthy rate in seedling stage has reached about
97%.
3. the present invention has prepared a kind of seed soaking solution, by vegetable-derived components extract of willow bark, pinus yunnanensis extract and
A variety of low-consistency plant growth promoter brassin lactones, compound sodium nitrophenolate, 6-BA are compounded, and wherein pinus yunnanensis extract is cloud
The extract of southern pine stem or leaf, have at present using pinus yunnanensis extract as fungicide, bacteriostatic agent prepare botanical pesticide into
Row desinsection, antibacterial report.Inventor has found that pinus yunnanensis extract is within the scope of 400-450ppm in globe amaranth seed soaking trial
When, there is significant facilitation effect to the sprouting of globe amaranth seed, excessive concentration can inhibit the sprouting of globe amaranth.On the other hand,
Due to there is one layer of white fluff package outside globe amaranth seed, seed is difficult to sprout, and the present invention is handled using hot wind, can be effective
Keep outer layer villus loose, promotes globe amaranth neutron absorption nutritional ingredient, achieve the purpose that fast-germination.Globe amaranth after processing
Seed, bud ratio have reached 97.5%, while the budding time of globe amaranth seed is also greatly shortened, averagely budding the time be about
7.3 days, more untreated globe amaranth seed was compared, and the budding time shortens about 45%.
4. the present invention is grown in 2-5 piece this stage of true leaf in globe amaranth seedling, disodium hydrogen phosphate-sodium dihydrogen phosphate is utilized
Buffer solution system has prepared nutrient solution I of the pH value within the scope of 7.5-8, while sulfuric acid ferrous components are added in nutrient solution, changes
Become globe amaranth seedling in environment into alkalescent, and improve ferric ionic component accumulation, by plant during reasonable management,
The pattern of globe amaranth can be rendered as royal purple-blue, provide a kind of novel pattern for globe amaranth, globe amaranth greatly improved
Ornamental value.
5. the present invention has successively been laid with the thin river sand of walnut shell-peat-, and control in globe amaranth nursery from the bottom to top
The water content of peat layer processed is conducive to the row of peat layer excessive moisture by the addition of bottom walnut shell for 18-19%
Water is easier to be maintained in the water content ranges of 18-19%, causes globe amaranth seedling to occur it is possible to prevente effectively from moisture control is improper
Macerate seedling phenomenon.Meanwhile the present invention stopped temperature control and open greenhouse both ends epiphragma, refined after growth of seedling goes out 5
Seedling, the survival rate after can effectively improve globe amaranth seedling replanting, compared to the globe amaranth seedling without hardening treatment, transplanting survival
Rate improves about 11.5%, has reached 98.0%.
[specific embodiment]
Below with reference to embodiment, the invention will be further described.
Embodiment 1
A kind of globe amaranth method for culturing seedlings, comprising the following steps:
(1) it Seed sterilization: takes globe amaranth seed to clean in clear water and suitably rubs, make the suede of red the surface of the seed in thousand days
Hair is loose, is subsequently placed into 3% liquor natrii hypochloritis and impregnates 30 seconds, takes out and stands 20 seconds, repeats to impregnate and stand step 3 time；
It places into bactericidal liquid II and stirs 5 minutes, taking-up obtains sterilizing globe amaranth seed；Wherein contain following matter in the bactericidal liquid II
Measure concentration components: 1% extraction fromginkgoseed coat, 0.8% harmel extract, 0.1% Tween-20.
(2) hot wind is handled: sterilizing globe amaranth seed is layed on the gauze of 12 mesh, laying with a thickness of 0.8cm, be laid with
The gauze for covering 12 mesh again on sterilizing globe amaranth seed afterwards, carries out hot wind processing, and taking-up obtains hot wind processing globe amaranth seed；
Wherein, the temperature of the hot wind processing is 38 DEG C, and the time is 6 hours.
(3) soak seed: it is to impregnate 10 hours in 35 DEG C of seed soaking solution that hot wind processing globe amaranth seed, which is put into temperature, then
The clear water with seed soaking solution equivalent is added into seed soaking solution, keeps temperature to be 22 DEG C and continues to impregnate 30 hours, taking-up is soaked
Kind globe amaranth seed；Wherein, the ingredient of following mass concentration: 25ppm brassin lactones, 230ppm is contained in the seed soaking solution
Extract of willow bark, pinus yunnanensis extract 450ppm, 15ppm compound sodium nitrophenolate, 10ppm6- benzylaminopurine.
(4) site preparation is sowed: in nursery, successively laying depth is the walnut shell of 3cm, with a thickness of 8cm's from the bottom to top
Seed soaking globe amaranth seed is then 1.3kg/ mus by application rate and sowed by peat, the thin river sand with a thickness of 1cm, is sowed
The thin river sand that a layer thickness is 0.8cm is re-layed afterwards, and after planting keeping the water content of peat layer is 18%；
(5) seedling management: after growing 2 true leaves after globe amaranth emergence, spray nutritious liquor I is carried out, sprayed one every 4 days
It is secondary；After climbing groundsel seedling grows 5 true leaves, stop the film progress hardening that the temperature in greenhouse adjusts and raises greenhouse both ends,
Period was every 8 days spray nutritious liquor II；Globe amaranth seedling can be transplanted after growing 8 true leaves.
Wherein, the preparation method of the nutrient solution I is as follows: taking sodium dihydrogen phosphate to be formulated as molar concentration is 0.2mol/L's
Solution A takes disodium hydrogen phosphate to be formulated as the second liquid that mass concentration is 0.2mol/L, by the volume ratio 5.3:94.7 of liquid A and liquid B
Be uniformly mixed and be formulated as bottom liquid, bottom liquid is heated to 44 DEG C, then in the bottom liquid of heating based on mass concentration, addition it is following at
Point: 0.05% urea, 0.05% ammonium hydrogen carbonate, 0.06% potassium nitrate, 0.03% magnesium sulfate, 0.03% ferrous sulfate；The battalion
In nutrient solution II contain following mass concentration ingredient: 0.10% urea, 0.12% calcium nitrate, 0.03% potassium dihydrogen phosphate,
0.03% magnesium sulfate, 0.03% magnesium sulfate, 0.035% aluminum sulfate.
Embodiment 2
A kind of globe amaranth method for culturing seedlings, comprising the following steps:
(1) it Seed sterilization: takes globe amaranth seed to clean in clear water and suitably rubs, make the suede of red the surface of the seed in thousand days
Hair is loose, is subsequently placed into 3.5% liquor natrii hypochloritis and impregnates 25 seconds, takes out and stands 18 seconds, repeats to impregnate and stand step 3
It is secondary；It places into bactericidal liquid II and stirs 6 minutes, taking-up obtains sterilizing globe amaranth seed；Wherein in the bactericidal liquid II containing with
Lower mass concentration ingredient: 1.3% extraction fromginkgoseed coat, 0.9% harmel extract, 0.1% Tween-20.
(2) hot wind is handled: sterilizing globe amaranth seed is layed on the gauze of 12 mesh, laying with a thickness of 0.9cm, be laid with
The gauze for covering 12 mesh again on sterilizing globe amaranth seed afterwards, carries out hot wind processing, and taking-up obtains hot wind processing globe amaranth seed；
Wherein, the temperature of the hot wind processing is 40 DEG C, and the time is 5 hours.
(3) soak seed: it is to impregnate 9 hours in 36 DEG C of seed soaking solution that hot wind processing globe amaranth seed, which is put into temperature, then
The clear water with seed soaking solution equivalent is added into seed soaking solution, keeps temperature to be 21 DEG C and continues to impregnate 28 hours, taking-up is soaked
Kind globe amaranth seed；Wherein, the ingredient of following mass concentration: 23ppm brassin lactones, 215ppm is contained in the seed soaking solution
Extract of willow bark, pinus yunnanensis extract 430ppm, 13ppm compound sodium nitrophenolate, 9ppm6- benzylaminopurine.
(4) site preparation is sowed: in nursery, successively laying depth is the walnut shell of 4cm, with a thickness of 10cm's from the bottom to top
Seed soaking globe amaranth seed is then 1.35kg/ mus by application rate and sowed, broadcast by peat, the thin river sand with a thickness of 1.3cm
The thin river sand that a layer thickness is 1.0cm is re-layed after kind, after planting keeping the water content of peat layer is 18.5%；
(5) seedling management: after growing 2 true leaves after globe amaranth emergence, spray nutritious liquor I is carried out, sprayed one every 5 days
It is secondary；After climbing groundsel seedling grows 5 true leaves, stop the film progress hardening that the temperature in greenhouse adjusts and raises greenhouse both ends,
Period was every 8-10 days spray nutritious liquor II；Globe amaranth seedling can be transplanted after growing 8 true leaves.
Wherein, the preparation method of the nutrient solution I is as follows: taking sodium dihydrogen phosphate to be formulated as molar concentration is 0.2mol/L's
Solution A takes disodium hydrogen phosphate to be formulated as the second liquid that mass concentration is 0.2mol/L, by the volume ratio 10.5:89.5 of liquid A and liquid B
Be uniformly mixed and be formulated as bottom liquid, bottom liquid is heated to 45 DEG C, then in the bottom liquid of heating based on mass concentration, addition it is following at
Point: 0.06% urea, 0.06% ammonium hydrogen carbonate, 0.06% potassium nitrate, 0.04% magnesium sulfate, 0.04% ferrous sulfate；The battalion
In nutrient solution II contain following mass concentration ingredient: 0.11% urea, 0.12% calcium nitrate, 0.04% potassium dihydrogen phosphate,
0.04% magnesium sulfate, 0.04% magnesium sulfate, 0.04% aluminum sulfate.
Embodiment 3
A kind of globe amaranth method for culturing seedlings, comprising the following steps:
(1) it Seed sterilization: takes globe amaranth seed to clean in clear water and suitably rubs, make the suede of red the surface of the seed in thousand days
Hair is loose, is subsequently placed into 3.5% liquor natrii hypochloritis and impregnates 20 seconds, takes out and stands 20 seconds, repeats to impregnate and stand step 2
It is secondary；It places into bactericidal liquid II and stirs 8 minutes, taking-up obtains sterilizing globe amaranth seed；Wherein in the bactericidal liquid II containing with
Lower mass concentration ingredient: 1.5% extraction fromginkgoseed coat, 1% harmel extract, 0.1% Tween-20.
(2) hot wind handle: will sterilizing globe amaranth seed be layed on the gauze of 12 mesh, laying with a thickness of 1cm, after laying
The gauze for covering 12 mesh again on sterilizing globe amaranth seed, carries out hot wind processing, and taking-up obtains hot wind processing globe amaranth seed；Its
In, the temperature of the hot wind processing is 42 DEG C, and the time is 4 hours.
(3) soak seed: it is to impregnate 10 hours in 38 DEG C of seed soaking solution that hot wind processing globe amaranth seed, which is put into temperature, then
The clear water with seed soaking solution equivalent is added into seed soaking solution, keeps temperature to be 22 DEG C and continues to impregnate 30 hours, taking-up is soaked
Kind globe amaranth seed；Wherein, the ingredient of following mass concentration: 25ppm brassin lactones, 230ppm is contained in the seed soaking solution
Extract of willow bark, pinus yunnanensis extract 450ppm, 15ppm compound sodium nitrophenolate, 10ppm6- benzylaminopurine.
(4) site preparation is sowed: in nursery, successively laying depth is the walnut shell of 5cm, with a thickness of 12cm's from the bottom to top
Seed soaking globe amaranth seed is then 1.4kg/ mus by application rate and sowed, broadcast by peat, the thin river sand with a thickness of 1.5cm
The thin river sand that a layer thickness is 1.2cm is re-layed after kind, after planting keeping the water content of peat layer is 19%；
(5) seedling management: after growing 2 true leaves after globe amaranth emergence, spray nutritious liquor I is carried out, sprayed one every 6 days
It is secondary；After climbing groundsel seedling grows 5 true leaves, stop the film progress hardening that the temperature in greenhouse adjusts and raises greenhouse both ends,
Period was every 10 days spray nutritious liquor II；Globe amaranth seedling can be transplanted after growing 8 true leaves.
Wherein, the preparation method of the nutrient solution I is as follows: taking sodium dihydrogen phosphate to be formulated as molar concentration is 0.2mol/L's
Solution A takes disodium hydrogen phosphate to be formulated as the second liquid that mass concentration is 0.2mol/L, mixes by the volume ratio 16:84 of liquid A and liquid B
Uniformly be formulated as bottom liquid, bottom liquid be heated to 46 DEG C, then in the bottom liquid of heating based on mass concentration, add following component:
0.06% urea, 0.07% ammonium hydrogen carbonate, 0.07% potassium nitrate, 0.05% magnesium sulfate, 0.05% ferrous sulfate；The nutrient solution
Contain the ingredient of following mass concentration: 0.12% urea, 0.13% calcium nitrate, 0.05% potassium dihydrogen phosphate, 0.05% sulphur in II
Sour magnesium, 0.05% magnesium sulfate, 0.05% aluminum sulfate.
Embodiment 4
Referring to the globe amaranth method for culturing seedlings in embodiment 2, difference is that, without hot wind processing, remaining step is identical.
Embodiment 5
Referring to the globe amaranth method for culturing seedlings in embodiment 2, difference is pinus yunnanensis extract in the seed soaking solution
Concentration is improved to 800ppm, remaining step is identical.
Embodiment 6
Referring to the globe amaranth method for culturing seedlings in embodiment 2, difference is pinus yunnanensis extract in the seed soaking solution
Concentration is reduced to 200ppm, remaining step is identical.
Embodiment 7
Referring to the globe amaranth method for culturing seedlings in embodiment 2, difference is not adding pinus yunnanensis extraction in the seed soaking solution
Object, remaining step are identical.
Embodiment 8
Referring to the globe amaranth method for culturing seedlings in embodiment 2, difference is the walnut shell in nursery replacing with peat,
Remaining step is identical.
Embodiment 9
Referring to the globe amaranth method for culturing seedlings in embodiment 2, difference is: by disodium hydrogen phosphate-phosphorus in compounding
Acid dihydride sodium buffer solution system replaces with equivalent clear water, remaining step is identical.
Embodiment 10
Planting experiment place: will carry out planting experiment in the nursery in the plantation of flower nursery, divide 9 pieces experimental field, and every piece
Experimental field size is about 66m2, every piece is experimental field spaced not less than 10m.
Planting experiment method: it is carried out thousand according to the globe amaranth method for culturing seedlings in embodiment 1-8 respectively to 9 pieces of planting experiments
Red nursery, wherein embodiment 1-3 is labeled as sample 1-3, and embodiment 4-9 is labeled as contrast sample 1-6.Every piece of planting site is planted
The globe amaranth seed amount for planting test is 100, is repeated 2 times, the average bud ratio of statistics each sample, average budding during nursery
Time, average emergence rate, average healthy rate.Wherein healthy rate is according to healthy rate=(healthy globe amaranth seedling/globe amaranth seedling is total
Number) * 100%, calculated, wherein do not occur damping-off, root rot, graywall, leaf spot, lodging seedling labeled as health
Globe amaranth seedling；Routine Management will be carried out after seedling replanting, Post flowering observes globe amaranth pattern.Statistical result is shown in Table 1.
1 globe amaranth seedling growth test statistical result of table
From table 1 it follows that carrying out the sample 1-3 of nursery using the method for the present invention, bud ratio is up to
95.5%, the averagely budding time, average emergence rate reached about 95% also at 7.3 days or so, and healthy rate has reached 96%, and thousand days
The success rate of red nursery is higher, and globe amaranth seedling replanting cultivates Post flowering, and pattern is in royal purple-blue, for existing globe amaranth institute
The color not having significantly improves the ornamental value of globe amaranth.Contrast sample 1 is not carry out hot wind processing to globe amaranth seed
Sample causes globe amaranth seed germination slow, and bud ratio is not high since its surface villus is not sufficiently loose, time phase of sprouting
It is extended about 4 days than sample 2, bud ratio reduces 12.5%.Contrast sample 2 is to propose pinus yunnanensis extract concentrations in seed-soaking liquid
The globe amaranth seed that height is handled to 800ppm, from table 1 it follows that the pinus yunnanensis extract of higher concentration is to globe amaranth seed
There is apparent inhibiting effect, bud ratio is reduced to 75.5%, and the budding time extends one times, has reached 16.3 days, has gone out simultaneously
Seedling rate is also greatly reduced, but on globe amaranth health status without influence.Contrast sample 2 is by pinus yunnanensis extract concentrations in seed-soaking liquid
The globe amaranth seed for being reduced to 200ppm to handle, from table 1 it follows that the bud ratio of globe amaranth seed omits compared with sample 2
There is reduction, the budding time extends about 3 days, several to globe amaranth seed compared with the contrast sample 4 for not adding pinus yunnanensis extract
Without influence, do not have facilitation.Contrast sample 5 is that the walnut shell of planting site bottom is replaced with to peat progress nursery to obtain
The sample arrived causes the peat of lower layer to be easy ponding, paratudo since 18.5% water content needs more frequently to irrigate
Portion's unsmooth breath occurs macerating seedling phenomenon, shows as the softening of globe amaranth stem, lodging phenomenon occurs, reduces the healthy rate of seedling.It is right
It is that the globe amaranth seedling that nutrient solution I is cultivated is not prepared using sodium dihydrogen phosphate-disodium hydrogen phosphate buffer system than sample 6, due to
The pH value of globe amaranth seedling is had not been changed, is planted after seedling replanting, the color of globe amaranth Post flowering and maternal globe amaranth
Pattern is identical, is aubergine.Therefore the globe amaranth seedling cultivated using the method for the present invention, healthy rate is higher, cultivates simultaneously
The bud ratio of globe amaranth seed and emergence rate are all higher in the process, and the emergence quantity of globe amaranth greatly improved, change simultaneously
Globe amaranth transplants the pattern of Post flowering, is rendered as royal purple-blue, improves the ornamental value of globe amaranth
Above description is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair
Bright patent claim, it is all the present invention suggested by technical spirit under completed same changes or modifications change, should all belong to
In the covered the scope of the patents of the present invention.
Claims (6)
1. a kind of globe amaranth method for culturing seedlings, which comprises the following steps:
(1) Seed sterilization: taking globe amaranth seed to clean in clear water and suitably rub, and makes the villus pine of red the surface of the seed in thousand days
It dissipates, is subsequently placed into 3-3.5% liquor natrii hypochloritis and impregnates 20-30 seconds, take out and stand 15-20 seconds, repeat to impregnate and stand step
It is 2-3 times rapid；It places into bactericidal liquid II and stirs 5-8 minutes, taking-up obtains sterilizing globe amaranth seed；
(2) hot wind handle: will sterilizing globe amaranth seed be layed on the gauze of 12 mesh, laying with a thickness of 0.8-1cm, after laying
The gauze for covering 12 mesh again on sterilizing globe amaranth seed, carries out hot wind processing, and taking-up obtains hot wind processing globe amaranth seed；
(3) it soaks seed: hot wind processing globe amaranth seed being put into the seed soaking solution that temperature is 35-38 DEG C and is impregnated 8-10 hours, with
The clear water with seed soaking solution equivalent is added in backward seed soaking solution, keeps temperature to be 20-22 DEG C and continues to impregnate 26-30 hours, take
Seed soaking globe amaranth seed is obtained out；
(4) site preparation is sowed: in nursery, successively laying depth is the walnut shell of 3-5cm, with a thickness of 8-12cm's from the bottom to top
Seed soaking globe amaranth seed is then 1.3-1.4kg/ mus by application rate and broadcast by peat, the thin river sand with a thickness of 1-1.5cm
Kind, the thin river sand that a layer thickness is 0.8-1.2cm is after planting re-layed, after planting keeping the water content of peat layer is 18-
19%；
(5) seedling management: after growing 2 true leaves after globe amaranth emergence, carrying out spray nutritious liquor I, sprayed every 4-6 days primary；
After climbing groundsel seedling grows 5 true leaves, stop the film progress hardening that the temperature in greenhouse adjusts and raises greenhouse both ends, during which
Every 8-10 days spray nutritious liquor II；Globe amaranth seedling can be transplanted after growing 8 true leaves.
2. a kind of globe amaranth method for culturing seedlings according to claim 1, which is characterized in that containing following in the bactericidal liquid II
Mass concentration ingredient: the extraction fromginkgoseed coat of 1-1.5%, the harmel extract of 0.8-1%, 0.1% Tween-20.
3. a kind of globe amaranth method for culturing seedlings according to claim 1, which is characterized in that the temperature of hot wind processing is
38-42 DEG C, the time is 4-6 hours.
4. a kind of globe amaranth method for culturing seedlings according to claim 1, which is characterized in that containing following in the seed soaking solution
The ingredient of mass concentration: 20-25ppm brassin lactones, 200-230ppm extract of willow bark, pinus yunnanensis extract 400-
450ppm, 10-15ppm compound sodium nitrophenolate, 8-10ppm6- benzylaminopurine.
5. a kind of globe amaranth method for culturing seedlings according to claim 1, which is characterized in that the preparation method of the nutrient solution I
It is as follows: to take sodium dihydrogen phosphate to be formulated as the solution A that molar concentration is 0.2mol/L, take disodium hydrogen phosphate to be formulated as mass concentration to be
The second liquid of 0.2mol/L is uniformly mixed by the volume ratio 5.3-16:84-94.7 of liquid A and liquid B and is formulated as bottom liquid, bottom liquid is added
Heat to 44-46 DEG C, then in the bottom liquid of heating based on mass concentration, add following component: 0.05-0.06% urea, 0.05-
0.07% ammonium hydrogen carbonate, 0.06-0.07% potassium nitrate, 0.03-0.05% magnesium sulfate, 0.03-0.05% ferrous sulfate.
6. a kind of globe amaranth method for culturing seedlings according to claim 1, which is characterized in that containing following in the nutrient solution II
The ingredient of mass concentration: 0.10-0.12% urea, 0.12-0.13% calcium nitrate, 0.03-0.05% potassium dihydrogen phosphate, 0.03-
0.05% magnesium sulfate, 0.03-0.05% magnesium sulfate, 0.03-0.05% aluminum sulfate.
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| CN111903459A (en) * | 2019-05-09 | 2020-11-10 | 西南林业大学 | Method for dwarfing Yunnan water with Jinfeng tea |
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