CN108477216A - A kind of sweet potato strong sprout composition, sweet potato strong sprout method and application - Google Patents
A kind of sweet potato strong sprout composition, sweet potato strong sprout method and application Download PDFInfo
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Abstract
The present invention relates to sweet potato planting technology fields, a kind of strong sprout composition for cultivating sweet potato seedling is provided, including strong sprout solution 1 and strong sprout solution 2, the strong sprout solution 1 includes 2~20ppm of ribofuranoside acid, root-inducing powder No. 5 50~180ppm and 1000~1600ppm of thiophanate-methyl；The strong sprout solution 2 includes 2~20ppm of ribofuranoside acid, 350~700ppm of 2200~3600ppm of potassium dihydrogen phosphate and spiral shell worm ethyl ester.Strong sprout solution 1 is applied after potato seed grave mound, watering, and potato seed can be promoted to sprout, inhibit virus, kill bacterial fungus；Strong sprout solution 2 break ground for seedling after/rear cover canopy of collecting seedling before spray, have the function of adjusting sweet potato seedling growth conditions, inhibit the pest and disease damages such as virus, prevention Bemisia tabaci.The sweet potato seedling cultivated using strong sprout composition of the present invention is more sturdy relative to conventional method, and the yield of sweet potato of gained sweet potato seedling improves 12% or more relative to conventional method.
Description
Technical field
The present invention relates to sweet potato field of planting, and in particular to a kind of sweet potato strong sprout composition, sweet potato seedling strong sprout method, and
The application for the sweet potato seedling that above-mentioned strong sprout composition or strong sprout method are cultivated.
Background technology
Sweet potato (scientific name：Dioscorea esculenta(Lour.)Burkill)：Also known as sweet potato, Convolvulaceae Dioscorea twine
Around herbaceous species.Not only yield is high for sweet potato, also contains the nutriment there are many needed by human body, fragrant and sweet, deep by numerous people
Like.
Sweet potato has extremely strong rudiment performance, thus continues to cultivate after being acquired the sweet potato seedling of cultivation, and potato seed can
Sprout new sweet potato seedling again in the short period (7~10d), collecting seedling can be carried out continuously, to which relatively simple acquisition is more
Sweet potato seedling carries out field planting.
However sweet potato is asexually propagated crop, with vegetative propagation gradually increase its internal virus also influence whether it is sweet
The upgrowth situation of potato seedling growth influences to acquire the yielding ability of potato seedling growth, produced sweet potato splits the factors such as potato rate.The prior art provides largely
Virus-free techniques on sweet potato, such as using method for tissue culture obtain Virus-free Sweetpotato seedling, then by Virus-free Sweetpotato seedling carry out field planting,
But infringement of the virus to sweet potato seedling when without solving the problems, such as to cultivate a large amount of sweet potato seedlings with sweet potato potato seed.
Invention content
In order to solve influence of the sweet potato viruses to sweet potato seedling state when sweet potato seedling is cultivated, it is strong that the present invention provides a kind of sweet potatoes
Seedling composition is conducted by that can be effectively reduced the virus in plant using strong sprout composition.
The present invention also aims to provide a kind of strong sprout method of sweet potato seedling, can cultivate to obtain healthy and strong sweet potato seedling,
And then improve the yield of the produced sweet potato of sweet potato seedling.
In order to solve the above technical problem, the present invention provides following technical schemes：
The present invention provides a kind of sweet potato strong sprout composition, including strong sprout solution 1 and strong sprout solution 2,
The strong sprout solution 1 includes 2~20ppm of ribofuranoside acid, No. 5 50~180ppm of root-inducing powder and thiophanate-methyl
1000~1600ppm；
The strong sprout solution 2 includes 2~20ppm of ribofuranoside acid, 2200~3600ppm of potassium dihydrogen phosphate and spiral shell worm ethyl ester
350~700ppm.
The present invention also provides a kind of strong sprout method of sweet potato seedling, step includes seeding potato seed, overlay film, seedbed management, adopts
Seedling manages after collecting seedling,
The seeding potato seed is to use flat pendulum mode, and sweet potato described in claim 1 is sprayed after the potato seed grave mound of seeding, watering
Strong sprout solution 1 in strong sprout composition, then cover loam；
When the seedbed management, seedling sprays the strong sprout solution in sweet potato strong sprout composition described in claim 1 after breaking ground
2；
It is described collect seedling after when managing, the strong sprout in claim 1 sweet potato strong sprout composition is sprayed before rear cover canopy of collecting seedling every time
Solution 2.
Preferably, when the flat pendulum mode seeding potato seed, the spacing of adjacent potato seed is 0.8~2cm.
Preferably, the strong sprout solution 1 is according to 0.5~3kg/m2It sprays.
Preferably, the ground of the overlay film 0.01~0.02cm of the mulch of 0.005~0.009cm of cladding thickness and thickness successively
Film.
Preferably, when the seedbed management, it is molten that 5~10d after spraying strong sprout solution 2 for the first time sprays a strong sprout again
Liquid 2.
Preferably, the strong sprout solution 2 is according to 0.2~1.0kg/m2It sprays.
The present invention provides application of the sweet potato strong sprout composition described in preceding solution in reducing sweet potato and splitting potato rate.
Compared with prior art, technical solution provided by the invention has the advantage that：
It is described the present invention provides a kind of strong sprout composition for cultivating sweet potato seedling, including strong sprout solution 1 and strong sprout solution 2
Strong sprout solution 1 includes 2~20ppm of ribofuranoside acid, root-inducing powder No. 5 50~180ppm and 1000~1600ppm of thiophanate-methyl；
The strong sprout solution 2 include 2~20ppm of ribofuranoside acid, 2200~3600ppm of potassium dihydrogen phosphate and spiral shell worm ethyl ester 350~
700ppm.In strong sprout composition of the present invention, strong sprout solution 1 can promote potato seed most for being applied after potato seed grave mound, watering
It sprouts soon, virosis is inhibited to occur and kill bacterial fungus, to which the sprout time of potato seed is shortened 3~5d, purify simultaneously
Virus, bacterium and fungi etc. in potato seed body, reduce sweet potato's seedlings from the root cause is influenced by virus etc.；Strong sprout solution 2 is for children
It is sprayed after seedling breaks ground and before rear cover canopy of collecting seedling, has and adjust sweet potato seedling growth conditions, inhibit the diseases such as virus, prevention Bemisia tabaci
The effect of insect pest, selection sweet potato seedling fast-growth period (seedling break ground after, collect seedling after) spray and can effectively inhibit virus
Conduction in plant, and then reduce virus quantity in sweet potato seedling, alleviate because of potato seedling growth states caused by factors such as virus accumulation and
The phenomenon that yielding ability declines.The sweet potato that the sweet potato seedling cultivated using strong sprout composition of the present invention is cultivated relative to conventional method
Seedling is more sturdy, and the yield of sweet potato that gained sweet potato seedling is cultivated can improve 12% or more relative to conventional sweet potato seedling.
The present invention also provides a kind of strong sprout method of sweet potato seedling, selection pendulum row's mode when seeding, after potato seed grave mound, watering
Using the strong sprout solution 1 of the strong sprout composition, the strong sprout composition is sprayed after seedling is broken ground and before rear cover canopy of collecting seedling
Strong sprout solution 2.The present invention is when arranging potato using pendulum row's mode seeding potato seed, and row's potato is relative to conventional scale type arrangement (tiltedly row)
For density it is relatively low, as dilute row's potato make potato seedling growth growing space and obtained by nutrition it is more sufficient, it is molten in conjunction with the strong sprout
Potassium dihydrogen phosphate in liquid 2 improves the effect of sweet potato seedling state, further promotes produced sweet potato seedling sturdy.Using of the present invention
The sweet potato seedling quantum of output that strong sprout method obtains, relative to conventional method cultivate sweet potato seedling seedling quantum of output improve 10% with
On.
What the sweet potato seedling that strong sprout method of the present invention obtains can also further decrease produced sweet potato splits potato rate, from routine
The potato rate 46% or so of splitting of method is reduced to 34% or less.
Specific implementation mode
The present invention provides a kind of for cultivating the strong sprout composition of sweet potato seedling, including strong sprout solution 1 and strong sprout solution 2,
The strong sprout solution 1 includes 2~20ppm of ribofuranoside acid, No. 5 50~180ppm of root-inducing powder and thiophanate-methyl
1000~1600ppm；
The strong sprout solution 2 includes 2~20ppm of ribofuranoside acid, 2200~3600ppm of potassium dihydrogen phosphate and spiral shell worm ethyl ester
350~700ppm.
In the present invention, 1 solvent of strong sprout solution is water, includes preferably 8~15ppm of ribofuranoside acid, root-inducing powder 5
Number 1100~1300ppm of 80~120ppm and thiophanate-methyl；More preferably include ribofuranoside acid 10ppm, root-inducing powder 5
100ppm and thiophanate-methyl 1250ppm.There is promotion potato seed to sprout, inhibit virus, kill carefully for strong sprout solution 1 of the present invention
The effect of bacterium fungi, wherein ribofuranoside acid is broad spectrum activity antiviral drugs, can control the generation of virosis, play purification
Viral effect in potato seed；Root-inducing powder 5 primarily serves the effect for promoting potato seed fast-germination, and the sprouting of potato seed can be made to carry
Before, potato seed under normal conditions is rudiment after first taking root, and promotes potato seed morning root of hair to be sprouted to accelerate by root-inducing powder；Methyl sulphur
Bacterium spirit is a kind of broad-spectrum germicide, can effectively kill bacterial fungus, prevents seedbed disease.The present invention passes through to sick in potato seed
The purification of poison and the prevention of seedbed disease can eliminate adverse effect of the Some Disease to sweet potato seedling from the root cause, promote potato seed
Fast-germination is grown as early as possible in the effective protection of strong sprout solution 1 to make sweet potato seedling catch up with.After sweet potato seedling sprouting is broken ground then
It is protected by strong sprout solution 2, to the time influenced by virus, disease invasion when reducing sweet potato seedling growth and possibility.
In the present invention, the strong sprout solution 2 includes preferably 8~15ppm of ribofuranoside acid, phosphoric acid using water as solvent
450~600ppm of 3800~3200ppm of potassium dihydrogen and spiral shell worm ethyl ester；More preferably include ribofuranoside acid 10ppm, biphosphate
Potassium 3000ppm and spiral shell worm ethyl ester 500ppm.Strong seedling culture liquid 2 of the present invention has adjustment sweet potato seedling growth conditions, inhibits disease
The effect of the insect pests such as poison and prevention Bemisia tabaci, wherein ribofuranoside acid is broad spectrum activity antiviral drugs, can control virosis
Occur, plays the role of that sweet potato seedling inner virus activity and virus is inhibited to conduct in plant, to reduce in sweet potato seedling
Virus quantity mitigates negative effect of the virus to sweet potato seedling growth conditions；Potassium dihydrogen phosphate, which has, promotes leaf chlorophyll synthesis
Effect, promotes the growth of cauline leaf, to effectively adjust sweet potato seedling growth conditions；Spiral shell worm ethyl ester is killing insects by touching agent, to big
Bemisia tabaci, aphid etc. have action of contace poison in canopy, avoid arthropod-borne viral, virus is prevented to be propagated further.Inside sweet potato seedling
Plant virus can influence the yielding ability of plant, and seedling rapid growth stage virus can also be conducted with stem vascular bundle,
Virus is caused largely to accumulate and then influence the yielding ability and upgrowth situation of plant in plant.Strong sprout solution 2 of the present invention
It is applied in sweet potato seedling fast-growth period, can effectively inhibit conduction of the virus in sweet potato seedling, reduce virus in sweet potato seedling body
Interior viral accumulation, alleviation cause sweet potato seedling state and high yield characteristic to decline because of virus.
Strong sprout composition of the present invention for cultivating sweet potato seedling can effectively improve sweet potato seedling due to virus influences
Caused yielding ability reduces and the bad problem of seedling state.
The present invention is to ribofuranoside acid, root-inducing powder 5, thiophanate-methyl, the potassium dihydrogen phosphate in the strong sprout composition
It is not particularly limited with the source of spiral shell worm ethyl ester, is configured to the concentration that strong sprout solution 1 or 2 of the present invention limits.This
It invents and limits the quality (mg/kg) that the ppm indicates contained solute in every kilogram in the strong sprout composition.
The solvent of strong sprout solution of the present invention is preferably water, is solvent by ribofuranoside acid, root-inducing powder 5 and first using water
The concentration being formulated as after the dissolving of base thiophanate in strong sprout solution 1 of the present invention；Using water as solvent by ribofuranoside acid, phosphorus
The concentration being formulated as after acid dihydride potassium and spiral shell worm ethyl ester dissolving in strong sprout solution 2 of the present invention.
The present invention provides a kind of strong sprout method of sweet potato seedling, step include successively seeding potato seed, overlay film, seedbed management,
Collect seedling, collect seedling after manage, wherein：
The seeding potato seed is to use flat pendulum mode, is sprayed described in above-mentioned technical proposal after the potato seed grave mound of seeding, watering
Strong sprout solution 1 in strong sprout composition, then cover loam；
When the seedbed management, the fine day noon after seedling is broken ground sprays in strong sprout composition described in above-mentioned technical proposal
Strong sprout solution 2；
It is described collect seedling after when managing, spray the strong sprout solution 2 before rear cover canopy of collecting seedling every time.
In the strong sprout method of sweet potato seedling of the present invention, conventional cultivation is all made of for the sweet potato seedling incubation step not limited
Means, the present invention are not particularly limited.
The strong sprout method of sweet potato seedling of the present invention carries out on the basis of greenhouse sweet potato seeding cultivating method, conventional
Greenhouse sweet potato seeding cultivating method include scale type row potato, overlay film, seedbed management (nursery 15d or so removes film), collect seedling, collect seedling after manage
Reason, wherein management is recycled repeatedly after collecting seedling for the first time after collecting seedling and collecting seedling.
When the present invention cultivates sweet potato seedling, seeding arranges potato by the way of flat pendulum, and flat pendulum mode, which arranges potato, keeps potato wedge and potato wedge tight
It is adjacent but do not suppressed mutually.Preferably, it is divided into 0.8~2cm between the adjacent potato wedge of flat pendulum mode seeding of the present invention, it is more excellent
It is selected as 1~1.5cm.The present invention makes it arrange potato thin planting relative to conventional scale type by flat pendulum mode seeding potato seed, is sweet potato
Offer space is grown in the growth of seedling, reduction nutrient competition pressure can promote in conjunction with the strong sprout solution 1 sprayed in subsequent step
So that sweet potato seedling growth conditions is promoted, obtains healthy and strong sweet potato seedling.
After the good potato seed of seeding, lid sealing soil, watering, after water infiltration, the strong sprout that surface sprays the strong sprout composition is molten
Liquid 1, then cover loam.Currently preferred, the sealing soil height is at least higher by 0.5cm or more at the top of potato seed, more preferably
0.5~0.6cm.
In the present invention, the watering sprays of the present invention strong disposably to sprinkle profoundly water after moisture fully penetrates into
The strong sprout solution 1 of seedling composition.
In the present invention, the strong sprout solution 1 is preferably according to 0.5~3kg/m2It sprays, more preferably 0.8~1.2kg/
m2, most preferably 1kg/m2.The promotion potato seed that act as of strong sprout solution 1 in the method sprouts, inhibits virus, kills bacterium
Fungi, details are not described herein.The present invention is to the covering particular determination of loam, using conventional loam overlay capacity.
In the present invention, overlay film is carried out after cover loam, the overlay film preferably covers the different mulch of two layers of thickness and uses
In heating.Further, two layers of ground film thickness is followed successively by the mulch of 0.005~0.009cm of thickness, thickness from down to up
The mulch of 0.01~0.02cm.The present invention is matched by covering two layers of mulch and heating with the promotion potato seed of the strong sprout solution 1 sprouting
It closes, further shortens potato seed and sprout required time, can shorten 3~5d relative to conventional method.
For the present invention in seedbed management, the fine day noon after sweet potato seedling is broken ground sprays strong sprout solution 2, other seedbed managements
It is carried out according to this field conventional means.Currently preferred 5~10d after spraying strong sprout solution 2 for the first time is sprayed again
Strong sprout solution 2, to reinforce the function and effect of the strong sprout solution 2.
It is that it is molten to spray strong sprout because when greenhouse cultivates sweet potato seedling that the present invention, which selects fine day noon to spray strong sprout solution 2,
Liquid 2 then needs to open canopy film, so selection fine day noon sprays, will not be impacted to the growth and development of sweet potato seedling.
In the present invention, the strong sprout solution 2 is preferably according to 0.2~1.0kg/m2It sprays, more preferably 0.3~
0.6kg/m2, most preferably 0.5kg/m2.Sweet potato seedling belongs to fast-growth period after breaking ground, spray strong sprout of the present invention at this time
Solution 2 can effectively inhibit the virus quantity transmitted from vascular bundle, the propagation for preventing arboviruse, additionally it is possible to improve sweet potato seedling
Growth conditions, adjustment because by virus influence due to the sweet potato seedling state of undergrowth.The strong sprout solution 2 is of the present invention
Play the role of that details are not described herein in method.
The present invention sprays the primary strong sprout solution 2 when collecting seedling management after collecting seedling every time.It is currently preferred to adopt
Strong sprout solution 2 is sprayed before lid canopy after seedling.Potato seed can sprout new sweet potato seedling after collecting seedling, thus also belong to sweet potato seedling at this time
Rapid growth stage sprays strong sprout solution 2 equally and can effectively inhibit virus and import plant from vascular bundle, reduces at this moment
The virus quantity of sweet potato seedling accumulation, and then alleviate influence of the virus to the high yield characteristic and growth conditions of sweet potato seedling；Pass through strong sprout again
Solution 2 promotes the effect (potassium dihydrogen phosphate) of sweet potato seedling cauline leaf growth, can effectively reply sweet potato seedling because suffered by virus
It influences, or even growth can also be further enhanced.
In the present invention, it is described collect seedling after to spray the amount of strong sprout solution be preferably 0.2~1.0kg/m2It sprays, more preferably
0.3~0.6kg/m2, most preferably 0.5kg/m2。
Sweet potato seedling strong sprout method operability provided by the invention is strong, simple and convenient, low to professional skill requirement, suitable for big
Scale promotes and applies.The present invention carries out targetedly pharmaceutical intervention by the different times cultivated in sweet potato seedling and can effectively press down
Accumulation of the system virus in sweet potato seedling, in conjunction with the adjusting of enhancing sweet potato seedling growth conditions, to make the sweet potato seedling of cultivation grow
Vigorous, high yield characteristic etc. is significantly increased both with respect to conventional breeding method.
It can cultivate to obtain more sturdy sweet of more conventional method using the above-mentioned strong sprout composition of the present invention and strong sprout method
Potato seedling growth, the growth of gained sweet potato seedling is vigorous, quality is good, and production performance etc. is small by the infringement of virus, thus yield of sweet potato is opposite
10% or more can be improved in conventional method, the sweet potato of final production splits potato rate and also decreases, and reaches 34% or less.
In order to further illustrate the present invention, technical solution provided by the invention is retouched in detail with reference to embodiment
It states, but they cannot be interpreted as limiting the scope of the present invention.
Embodiment 1
1, strong sprout composition is prepared：Strong sprout composition is made of strong sprout solution 1 and strong sprout solution 2.
Commercially available ribofuranoside acid, root-inducing powder 5, thiophanate-methyl are taken, water is added to be configured to final concentration of ribofuranoside acid
10ppm, root-inducing powder No. 5 100ppm and thiophanate-methyl 1250ppm solution to get strong sprout solution 1.
Commercially available ribofuranoside acid, potassium dihydrogen phosphate and spiral shell worm ethyl ester are taken, water is added to be configured to final concentration of ribofuranoside acid
The solution of 10ppm, potassium dihydrogen phosphate 3000ppm and spiral shell worm ethyl ester 500ppm are to get strong sprout solution 2.
2, sweet potato seedling is cultivated
It selects Ji potato 98 for potato seed, sets up greenhouse, seedbed has been dug, using flat pendulum mode by potato seed seeding in seedbed
On, two neighboring potato seed spacing is 1cm.It waits for that potato seed sequences rear cover sealing soil, makes grave mound higher than 0.5cm at the top of potato seed, sprinkle profoundly water,
After water infiltration, strong sprout solution 1 is uniformly sprayed on grave mound surface, according to 1kg/m2Dosage spray, it is thick that 3cm is covered after spraying
Sandy loam.
The mulch of a layer thickness 0.008cm is first covered on sandy loam surface, then is capped the mulch of a layer thickness 0.01cm, two
Layer mulch is for heating.Seedling management is proceeded by after covering mulch, nursery 10d starts at daily 10~13 points at seedbed both ends
Opening is aerated, and when nursery 15d removes two layers of mulch, if removing after film, seedbed surface soil is dry, selects the fine day morning
Watering, irrigation amount keep Surface Humid.At the noon of first fine day after seedling is largely broken ground, canopy film is opened, is pressed
According to 0.5kg/m2Spray strong sprout solution 2, be spaced after 7d and spray a strong sprout solution 2 again, the amount of spraying with it is previous identical.
Conventional hardening is carried out, is collected seedling when sweet potato seedling is grown to six leaves wholeheartedly, carries out managing after top dressing etc. is collected seedling after collecting seedling
Reason, according to 0.5kg/m before epiphragma2Spray strong sprout solution 2.
3, result
Mu density is 3300 plants of plants, and 150 days breeding times, fresh tuber yield reaches 3500kg/ mus.
Comparative example 1
It selects Ji potato 98 for potato seed, sets up greenhouse, seedbed has been dug, using fish scale mode by potato seed seeding in seedbed
On.It waits for that potato seed sequences rear cover sealing soil, makes grave mound higher than 0.5cm at the top of potato seed, sprinkle profoundly water, after water infiltration, covering 3cm is thick
Sandy loam.
The mulch of a layer thickness 0.008cm is first covered on sandy loam surface, then is capped the mulch of a layer thickness 0.01cm, two
Layer mulch is for heating.Seedling management is proceeded by after covering mulch, nursery 10d starts at daily 10~13 points at seedbed both ends
Opening is aerated, and when nursery 15d removes two layers of mulch, if removing after film, seedbed surface soil is dry, selects the fine day morning
Watering, irrigation amount keep Surface Humid.
Conventional hardening is carried out, is collected seedling when sweet potato seedling is grown to six leaves wholeheartedly, carries out managing after top dressing etc. is collected seedling after collecting seedling
Reason, repetition, which collects seedling and collects seedling, manages operation.
3, result
Mu density is 3300 plants of plants, 150 days breeding times, 3100kg/ mus of fresh tuber yield.
Embodiment 2
1, strong sprout composition is prepared：Strong sprout composition is made of strong sprout solution 1 and strong sprout solution 2.
Commercially available ribofuranoside acid, root-inducing powder 5, thiophanate-methyl are taken, water is added to be configured to final concentration of ribofuranoside acid
3ppm, root-inducing powder No. 5 90ppm and thiophanate-methyl 1100ppm solution to get strong sprout solution 1.
Commercially available ribofuranoside acid, potassium dihydrogen phosphate and spiral shell worm ethyl ester are taken, water is added to be configured to final concentration of ribofuranoside acid
The solution of 4ppm, potassium dihydrogen phosphate 2850ppm and spiral shell worm ethyl ester 470ppm are to get strong sprout solution 2.
2, sweet potato seedling is cultivated
It is potato seed to select Ji potato 4, sets up greenhouse, seedbed has been dug, using flat pendulum mode by potato seed seeding in seedbed
On, two neighboring potato seed spacing is 1.5cm.It waits for that potato seed sequences rear cover sealing soil, makes grave mound higher than 0.6cm at the top of potato seed, irrigate
Water uniformly sprays strong sprout solution 1, according to 0.9kg/m after water infiltration on grave mound surface2Dosage spray, covered after spraying
The sandy loam of 4cm thickness.
The mulch of a layer thickness 0.007cm is first covered on sandy loam surface, then is capped the mulch of a layer thickness 0.012cm,
Two layers of mulch is for heating.Seedling management is proceeded by after covering mulch, nursery 10d starts at daily 10~13 points in seedbed two
End opening is aerated, and when nursery 15d removes two layers of mulch, if removing after film, seedbed surface soil is dry, selects on fine day
Noon waters, and irrigation amount keeps Surface Humid.
At the noon of first fine day after seedling is largely broken ground, canopy film is opened, according to 0.7kg/m2It is molten to spray strong sprout
Liquid 2 sprays a strong sprout solution 2 again after being spaced 6d, the amount of spraying with it is previous identical.
Conventional hardening is carried out, is collected seedling when sweet potato seedling is grown to six leaves wholeheartedly, carries out managing after top dressing etc. is collected seedling after collecting seedling
Reason, according to 0.7kg/m before epiphragma2Spray strong sprout solution 2.
3, result
By the 3300 plants of plants of mu density, 150 days breeding times, 2800kg/ mus of fresh tuber yield.
Comparative example 2
It is potato seed to select Ji potato 4, sets up greenhouse, seedbed has been dug, using fish scale mode by potato seed seeding in seedbed
On.It waits for that potato seed sequences rear cover sealing soil, makes grave mound higher than 0.6cm at the top of potato seed, sprinkle profoundly water, after water infiltration, covering 4cm is thick
Sandy loam.
The mulch of a layer thickness 0.007cm is first covered on sandy loam surface, then is capped the mulch of a layer thickness 0.012cm,
Two layers of mulch is for heating.Seedling management is proceeded by after covering mulch, nursery 10d starts at daily 10~13 points in seedbed two
End opening is aerated, and when nursery 15d removes two layers of mulch, if removing after film, seedbed surface soil is dry, selects on fine day
Noon waters, and irrigation amount keeps Surface Humid.
Conventional hardening is carried out, is collected seedling when sweet potato seedling is grown to six leaves wholeheartedly, carries out managing after top dressing etc. is collected seedling after collecting seedling
Reason, repetition, which collects seedling and collects seedling, manages operation.
3, result
Mu density is 3300 plants of plants, 150 days breeding times, 2300kg/ mus of fresh tuber yield.
Embodiment 3
1, strong sprout composition is prepared：Strong sprout composition is made of strong sprout solution 1 and strong sprout solution 2.
Commercially available ribofuranoside acid, root-inducing powder 5, thiophanate-methyl are taken, water is added to be configured to final concentration of ribofuranoside acid
14ppm, root-inducing powder No. 5 180ppm and thiophanate-methyl 1300ppm solution to get strong sprout solution 1.
Commercially available ribofuranoside acid, potassium dihydrogen phosphate and spiral shell worm ethyl ester are taken, water is added to be configured to final concentration of ribofuranoside acid
The solution of 15ppm, potassium dihydrogen phosphate 3600ppm and spiral shell worm ethyl ester 550ppm are to get strong sprout solution 2.
2, sweet potato seedling is cultivated
It selects Ji potato 99 for potato seed, sets up greenhouse, seedbed has been dug, using flat pendulum mode by potato seed seeding in seedbed
On, two neighboring potato seed spacing is 2cm.It waits for that potato seed sequences rear cover sealing soil, makes grave mound higher than 0.5cm at the top of potato seed, sprinkle profoundly water,
After water infiltration, strong sprout solution 1 is uniformly sprayed on grave mound surface, according to 1kg/m2Dosage spray, it is thick that 3cm is covered after spraying
Sandy loam.
The mulch of a layer thickness 0.009cm is first covered on sandy loam surface, then is capped the mulch of a layer thickness 0.02cm, two
Layer mulch is for heating.Seedling management is proceeded by after covering mulch, nursery 10d starts at daily 10~13 points at seedbed both ends
Opening is aerated, and when nursery 15d removes two layers of mulch, if removing after film, seedbed surface soil is dry, selects the fine day morning
Watering, irrigation amount keep Surface Humid.At the noon of first fine day after seedling is largely broken ground, canopy film is opened, is pressed
According to 0.4kg/m2Spray strong sprout solution 2.
Conventional hardening is carried out, is collected seedling when sweet potato seedling is grown to six leaves wholeheartedly, carries out managing after top dressing etc. is collected seedling after collecting seedling
Reason, according to 0.4kg/m before epiphragma2Spray strong sprout solution 2.
3, result
By the 3300 plants of plants of mu density, 150 days breeding times, 3700kg/ mus of fresh tuber yield.
Comparative example 3
It selects Ji potato 99 for potato seed, sets up greenhouse, seedbed has been dug, using fish scale mode by potato seed seeding in seedbed
On.It waits for that potato seed sequences rear cover sealing soil, makes grave mound higher than 0.5cm at the top of potato seed, sprinkle profoundly water, after water infiltration, covering 3cm is thick
Sandy loam.
The mulch of a layer thickness 0.009cm is first covered on sandy loam surface, then is capped the mulch of a layer thickness 0.02cm, two
Layer mulch is for heating.Seedling management is proceeded by after covering mulch, nursery 10d starts at daily 10~13 points at seedbed both ends
Opening is aerated, and when nursery 15d removes two layers of mulch, if removing after film, seedbed surface soil is dry, selects the fine day morning
Watering, irrigation amount keep Surface Humid.
Conventional hardening is carried out, is collected seedling when sweet potato seedling is grown to six leaves wholeheartedly, carries out managing after top dressing etc. is collected seedling after collecting seedling
Reason, repetition, which collects seedling and collects seedling, manages operation.
3, result
Mu density is 3300 plants of plants, 150 days breeding times, 3210kg/ mus of fresh tuber yield.
Comparative example 1~3 compared with Examples 1 to 3, for scale type discharge by seeding mode, and does not spray strong sprout combination
Object.As can be seen that compared with comparative example 1~3, the sweet potato seedling per mu yield that Examples 1 to 3 the method is cultivated is respectively increased
12.9%, 21.7%, 15.3%, show that strong sprout composition provided by the invention and strong sprout method can significantly improve sweet potato seedling
Yield, improve the bad problem of sweet potato seedling growth conditions.
Embodiment 4
Embodiment 1 is chosen respectively and comparative example 1 cultivates obtained sweet potato seedling and carries out yield test：
The adjacent identical experimental plot of two pieces of areas is chosen, plants the sweet potato seedling that embodiment 1 and comparative example 1 are cultivated respectively,
3300 plants are planted per acre, carries out Routine Management fertilising, are measured yield respectively after sweet potato maturation and are counted and split potato rate.
The results show that the sweet potato seedling per mu yield 3260kg that embodiment 1 is cultivated, it is 34% to split potato rate；The sweet potato that embodiment 1 is cultivated
Seedling per mu yield 2896kg, splits potato rate 46%.
As can be seen that the sweet potato seedling that strong sprout method of the present invention is cultivated can significantly improve yield of sweet potato, relatively
It is significantly increased in the sweet potato seedling per mu yield commonly cultivated.It can also be seen that compared with comparative example 1, the sweet potato seedling of the cultivation of embodiment 1
Produced sweet potato, which splits potato rate, significant decrease.
The sweet potato seedling cultivated using embodiment 1, which can significantly improve yield and reduce, splits potato rate, is on the one hand because of strong sprout
Composition restrained effectively the accumulation of virus quantity in sweet potato seedling body, including the strong sprout solution 1 sprayed when kind of planting potato is to potato seed
It is purified with seedbed, is also included within the strong sprout solution 2 that sweet potato seedling fast-growth period sprays and virus is passed with stem vascular bundle
The inhibition led；On the other hand it is that embodiment 1 uses flat pendulum mode and arranges potato, reduces the quantity of sweet potato seedling in unit area, be
Sweet potato seedling strong sprout provides space and reduces competitive pressure, in addition strong sprout solution 2 can also effectively promote sweet potato seedling robust growth
And then improve its growth conditions being suppressed so that the sweet potato seedling cultivated is more healthy and strong.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of sweet potato strong sprout composition, including strong sprout solution 1 and strong sprout solution 2,
The strong sprout solution 1 include 2~20ppm of ribofuranoside acid, No. 5 50~180ppm of root-inducing powder and thiophanate-methyl 1000~
1600ppm；
The strong sprout solution 2 includes 2~20ppm of ribofuranoside acid, 2200~3600ppm of potassium dihydrogen phosphate and spiral shell worm ethyl ester 350
~700ppm.
2. a kind of strong sprout method of sweet potato seedling, step includes seeding potato seed, overlay film, seedbed management, collect seedling, collect seedling after manage,
It is characterized in that：
The seeding potato seed is to use flat pendulum mode, and sweet potato strong sprout described in claim 1 is sprayed after the potato seed grave mound of seeding, watering
Strong sprout solution 1 in composition, then cover loam；
When the seedbed management, seedling sprays the strong sprout solution 2 in sweet potato strong sprout composition described in claim 1 after breaking ground；
It is described collect seedling after when managing, the strong sprout in sweet potato strong sprout composition described in claim 1 is sprayed before rear cover canopy of collecting seedling every time
Solution 2.
3. the strong sprout method of sweet potato seedling according to claim 2, which is characterized in that when the flat pendulum mode seeding potato seed, phase
The spacing of adjacent potato seed is 0.8~2cm.
4. according to the strong sprout method of sweet potato seedling described in Claims 2 or 3, which is characterized in that the strong sprout solution 1 according to 0.5~
3kg/m2It sprays.
5. the strong sprout method of sweet potato seedling according to claim 2, which is characterized in that the overlay film is cladding thickness successively
The mulch of 0.01~0.02cm of mulch and thickness of 0.005~0.009cm.
6. the strong sprout method of sweet potato seedling according to claim 2, which is characterized in that when the seedbed management, sprayed for the first time
5~10d after strong sprout solution 2 sprays second of strong sprout solution 2.
7. according to the strong sprout method of the sweet potato seedling of claim 2 or 6, which is characterized in that the amount of spraying of the strong sprout solution 2 is only
It stands as 0.2~1.0kg/m2。
8. application of the sweet potato strong sprout composition described in claim 1 in reducing sweet potato and splitting potato rate.
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