CN109566612A - A kind of plant growth regualting composition, preparation and its application - Google Patents
A kind of plant growth regualting composition, preparation and its application Download PDFInfo
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- CN109566612A CN109566612A CN201811632879.6A CN201811632879A CN109566612A CN 109566612 A CN109566612 A CN 109566612A CN 201811632879 A CN201811632879 A CN 201811632879A CN 109566612 A CN109566612 A CN 109566612A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N33/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds
- A01N33/16—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds containing nitrogen-to-oxygen bonds
- A01N33/18—Nitro compounds
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N27/00—Biocides, pest repellants or attractants, or plant growth regulators containing hydrocarbons
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds
- A01N57/20—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds containing acyclic or cycloaliphatic radicals
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Abstract
The present invention discloses a kind of plant growth regualting composition, preparation and its application, and the composition includes: active components A and active constituent B, and the weight ratio of the active components A and the active constituent B are 0.1~10:1；The active components A is flumetralim；The active constituent B is ethephon (CEPHA),2-(chloroethyl) phosphonic acid；The composition, preparation reduce flower and/or fruit quantitative effect is good, and is not in the phenomenon that weakening plant growing way and cause early ageing.
Description
Technical field
The present invention relates to synthetic organic pesticide fields, and in particular to a kind of plant growth regualting composition, preparation and its answers
With.
Background technique
Plant growth regulator is a kind of exogenous non-nutritive chemical substance, can usually be conducted in plant to
Site of action can be promoted or be inhibited certain steps during plant vital activity with lower concentration, change the property of plant
Shape is allowed to meeting human needs' characteristic growth；It is to be different from killing since the specific function of plant growth regulator acts on
Worm agent, fungicide, herbicide and the pesticide classification new as one, reasonable employment plant growth regulator have become Modern Agriculture
An one of mark for industry development.
Existing plant growth regulator is usually that each effective component is administered alone, and the people that often will cause medication is administered alone
Work cost is excessively high, meanwhile, single medicament is usually higher to the side effect of crop, can not meet the need of plant culture and maintenance very well
It wants.Between different types of regulator or even same kind of regulator difference compound, the physiological reaction of plant is deposited after application
In difference.
For ornamental plant, a large amount of assimilation quotients can be consumed by yielding positive results, and shortened the ornamental time, increased maintenance cost；Together
When, colored and/or fruit falls at any time, increases the workload of sanitationman's cleaning；Therefore the flower and/or fruit for reducing plant have weight
Want meaning.Physiological flower bud differentiation phase time high degree of dispersion, morning and evening and tree species, kind, tree vigo(u)r, stock, the branch of physiological differentiation stage
Type and bud are related the location of on branch.In general, early-maturing variety, weak tree, bearing tree, short anvil, basal bud physiology
Idiophase occurs early than late variety, Wang Shu, treelet, tall anvil, the long tip, top bud.It is dredged flower thinning agriculturally, can be applied
Fruit agent makes a part of bud or young fruit fall off, and common flower and fruit thinning agent has dinitrocreasol, methyl α-naphthyl acetate, phenyl acetamide.It is common
Flower and fruit thinning agent only can limited reduction plant flowers and fruits quantity, rather than as much as possible reduce plant flowers and fruits quantity, Wu Faman
Requirement of the foot in park maintenance application to colored and/or fruit is reduced.
Summary of the invention
In view of this, this application provides a kind of plant growth regualting composition, preparation and its application, the composition,
It is good that preparation reduces colored and/or fruit quantitative effect, and is not in the phenomenon that weakening plant growing way and cause early ageing.
In order to solve the above technical problems, technical solution provided by the invention is a kind of plant growth regualting composition, described
Composition includes: active components A and active constituent B, and the weight ratio of the active components A and the active constituent B is 0.1~
10:1；The active components A is flumetralim；The active constituent B is ethephon (CEPHA),2-(chloroethyl) phosphonic acid.
Preferably, the active components A and the weight ratio of the active constituent B are 0.5~2:1.
Preferably, the active components A and the weight ratio of the active constituent B are 1:1.
Also a kind of plant growth regualting composition preparation of the present invention, by above-mentioned plant growth regualting composition and Pesticide Science
Upper acceptable auxiliary material composition.
Preferably, it is 0.001%~99% that the composition, which accounts for the percentage of the preparation gross mass,.
Preferably, it is 0.001%~50% that the composition, which accounts for the percentage of the preparation gross mass,.
Preferably, using conventional dosage form when the plant growth regualting composition preparation uses.Using in preparation
The adjuvant generallyd use in processing technology, be processed into missible oil, it is directly sprayable or can dilute solution, can diluting emulsion, wettable
Property pulvis pulvis, soluble powder, pulvis, suspending agent, granule or microcapsule formulations.
Preferably, the plant growth regualting composition preparation is adopted prepares in a known manner.
Preferably, it by mixing plant growth regualting composition with institute auxiliary material, crushes and/or stirring and dissolving and/or grinds
Mill.Also preparation additionally can be prepared using surface active cpd.
Preferably, surface active cpd is nonionic, cation, yin with good emulsification, dispersion and wettability
Ion and/or amphoteric surfactant and surfactant mixture.
Preferably, the active components A account for the preparation gross mass percentage be 0.1%~20%, it is described activity at
Dividing A to account for the percentage of the preparation gross mass is 10%~30%.
Preferably, the preparation formulation include: missible oil, sprayable dose, can dilute solution, can diluting emulsion, wettable powder
Agent pulvis, soluble powder, pulvis, granule and microcapsule formulations.
Application of the also a kind of above-mentioned plant growth regualting composition of the present invention in terms of reducing plant flowers and/or fruit.
Preferably, the plant is ornamental plant.
Preferably, the ornamental plant is Malus spectabilis, sweet shaddock, hawthorn, apricot.
Preferably, the method for administration of the plant growth regualting composition includes: before plant bud differentiation and/or plant is contained
Florescence applying said compositions.
The amount of application of the present composition can change in wide in range limitation range and dependent on planting conditions.The plant
The method of administration of object growth regulating composition includes: that the composition amount of application is 0.001kg/ha~4kg/ha.
Preferably, the composition amount of application is 0.005kg/ha~1kg/ha.
Preferably, the composition amount of application is 0.01kg/ha~0.8kg/ha.
Preferably, it is 10 that the method for administration of the plant growth regualting composition, which includes: the active components A application concentration,
~1000ppm, the active constituent B application concentration are 100ppm.
We have found that flumetralim and ethephon (CEPHA),2-(chloroethyl) phosphonic acid act on plant with " synergistic effect " in studying.
According to the present invention, a kind of method for adjusting useful plant growth is provided, including to the plant, each portion of plant
Divide, plant propagation material or plant growth site are applied above-mentioned composition of the present invention, and incited somebody to action with effectively being measured with concertedness
Each active constituent of the composition is successively applied to the plant, plant parts, plant propagation material or plant growth site.
Term " concertedness is effectively measured " refers to change the amount of such composition of the effect of plant growth, the effect of acquisition
It is bigger that these compounds each total effects obtained is administered alone in fruit ratio.
These composition rate of application of the invention and the target plant species to be controlled, goal of regulation and control, method of administration, application
The influence factors such as time, leading climatic condition are related.Term " plant " refers to all tangible parts of plant, including seed,
Seedling, shoot, root, stem tuber, stem, stalk, leaf and fruit and combinations thereof.
Term plant " propagation material " indicates the reproductive part that can be used for raising up seed of the plant, such as seed, with
And nutritive material, such as bud, cutting or stem tuber, such as potato.Specifically, it includes seed (on stricti jurise), root, fruit
Reality, stem tuber, bulb, rhizome and other parts that can be used to cultivate into new plant of plant." propagation material " can also include
The budding plant transplanted after germination or after breaking ground and young plant.Suitably " plant propagation material " is understood that
To refer to the common propagation material such as seed, root tuber.
Term " plant growth site " be intended to include plant growth place, the propagation material of these plants is able to herein
It sows or the propagation material of these useful plants is placed in soil or other cultivation matrixes herein.The one of this place
A example is exactly field, herein plant growth.
In accordance with the present invention, it is possible to which one or more of additional plant growths is used in combination with above-mentioned composition of the present invention
Regulator is applied together or successively application.The additional plant growth regulator refers to existing plant known to the public
Growth regulator and combinations thereof.
" applying together " of the present invention refers to, two or more pesticide, fertilizer, auxiliary agent, using " bucket is mixed "
Mode is uniformly mixed application or is configured to uniform mixture in a same vessel and is applied on plant.
" successively applying " of the present invention refers to, two or more pesticide, fertilizer, auxiliary agent, within a certain period of time,
As being successively applied on plant in a week or one month.
Compared with prior art, detailed description are as follows by the application:
Active components A flumetralim is contact and local absorbability plant growth retardent.It is micro- with growing tips of the plant cell
Tubulin combines, and hinders the transport of tubulin and tubulin polymerization to form micro-pipe, the synthesis of protein is influenced, thus shadow
Ring plant ribosome formation and relevant vital movement.Flumetralim is living by influencing plant ribosome formation and relevant life
It is dynamic, to the bud differentiation significant effect for inhibiting plant；Flumetralim also pass through inhibit protein synthesis and transhipment, cause pollen and
The division and differentiation of embryo-sac cell, to prevent blastular from normal Pollination Fertilization, the young fruit of poor pollination falls off quickly, reaches
Reduce the purpose of plant flowers and fruits.Since flumetralim does not work to mature cell and organ, systemic action is weaker, in plant
Internal conductibility is poor, will not influence the root growth of plant, will not lead to mature blade and branch aging.Flumetralim is reduced
The effect of plant flowers and fruits mainly by the bud differentiation of the bud before inhibition bud differentiation and promotes the bud developed to divide
Differentiation is obstructed and young fruit is caused to fall off because of depauperation.The plant of flumetralim not yet bud differentiation or young fruit period reduces flowers and fruits effect
Preferably, to leaf safety is formed, plant growing way is not influenced and causes plant early ageing, does not reduce the ornamental value and greening valence of ornamental plant
Value.
Active constituent B ethephon (CEPHA),2-(chloroethyl) phosphonic acid be a plant growth regulators, ethephon (CEPHA),2-(chloroethyl) phosphonic acid have promote bud differentiation and promote flower and/
Or the double grading that fruit falls off.In flower bud differentiation period, since ethephon (CEPHA),2-(chloroethyl) phosphonic acid can improve the activity of indoleacetic acid oxidase in plant,
Delay IAA biosynthesis, it is horizontal to reduce IAA in plant, and inhibit the activity of gibberellin, the basic element of cell division, to reach
Inhibit Shoot growth, thus have the function of promotion bud differentiation；After anthocaulus and/carpopodium are formed, ethephon (CEPHA),2-(chloroethyl) phosphonic acid can also pass through
Anthocaulus and/or carpopodium absciss layer cell peroxidase activity are improved, film ester peroxidation is promoted, increases cell leakage, film
Ester Peroxidation Product mda content, weakens the protective effect of cell membrane, destroys the integrality of membrane structure, to promote to spend
Handle and/or carpopodium fall off.Therefore, the application of ethephon (CEPHA),2-(chloroethyl) phosphonic acid single dose inhibits to yield positive results, while it is dead to will lead to Tender top drying, grows up to leaf yellow
It falls off, weakens the side effect that tree vigo(u)r causes early ageing.Application is able to achieve the ethephon (CEPHA),2-(chloroethyl) phosphonic acid for urging the good dosage of de- effect, is easy to make plant young sprout
It is withered, the chlorophyll degradation of old leaf and yellow is detached from, keep plant growing way weak；If reducing ethephon (CEPHA),2-(chloroethyl) phosphonic acid amount of application, cause to urge de-
Effect is poor.
Plant growth regualting composition provided by the invention is by component screening and proportion, using active components A flumetralim
It is compounded with active constituent B ethephon (CEPHA),2-(chloroethyl) phosphonic acid, promotes the active constituent of falling-off effect complementation, be used together or successively use, in plant flowers
Bud breaks up period, and active components A flumetralim can slightly promote the effect of bud differentiation with elimination activity ingredient B ethephon (CEPHA),2-(chloroethyl) phosphonic acid, thus
The bud of plant is set to be converted into leaf bud as far as possible；Bud Morphological differentiation stage to young fruit period, active constituent B ethephon (CEPHA),2-(chloroethyl) phosphonic acid promotes flower
And/or the shank of young fruit forms absciss layer, active components A flumetralim is by inhibiting organic nutrition metabolism and ribosomal generation and phase
Pass vital movement obtains photoassimilates to reduce colored and young fruit, reinforces the effect of ethephon (CEPHA),2-(chloroethyl) phosphonic acid promotion absciss layer formation with this.
The composition and its preparation that inventive compound A flumetralim and active constituent B ethephon (CEPHA),2-(chloroethyl) phosphonic acid compound can effectively facilitate
It is obvious to reduce colored and/or fruit quantitative effect for plant fruit drop, and two active constituents have synergistic function, meanwhile, application
Composition and its preparation provided by the invention, do not weaken plant growing way, do not reduce the ornamental value and greening value of plant.The present invention
The application of ethephon (CEPHA),2-(chloroethyl) phosphonic acid single dose is overcome, the deficiency of plant flowers and/or fruit is reduced, safety is realized, effect stability, reduces colored and/or fruit
Quantity and do not weaken plant growing way purpose.
Specific embodiment
It is right combined with specific embodiments below in order to make those skilled in the art more fully understand technical solution of the present invention
The present invention is described in further detail.
Embodiment 1
A kind of plant growth regualting composition preparation
Flumetralim ethephon (CEPHA),2-(chloroethyl) phosphonic acid wettable powder pulvis
The flumetralim ethephon (CEPHA),2-(chloroethyl) phosphonic acid wettable powder the preparation method comprises the following steps: ethephon (CEPHA),2-(chloroethyl) phosphonic acid is embedding with polyoxyethylene poly-oxygen propylene aether
After section polymer mixing is adsorbed with white carbon black again, then with flumetralim, the anhydrous fast T of Ai Lite, diatomite it is uniformly mixed air-flow crushing
Unlap can be prepared by.
Embodiment 2
A kind of plant growth regualting composition preparation
Flumetralim ethephon (CEPHA),2-(chloroethyl) phosphonic acid water dispersible granules
The flumetralim ethephon (CEPHA),2-(chloroethyl) phosphonic acid water dispersible granules the preparation method comprises the following steps: ethylene using white carbon black absorption after, with flumetralim,
Polycarboxylate, polyoxyethylene poly-oxygen propylene aether block polymer, calcium lignosulfonate, cornstarch, diatomite are uniformly mixed gas
Stream crushes, and the water that 2-3% is added in the material of crushing, which is mediated granulation drying unlap, can be prepared by.
Embodiment 3
A kind of plant growth regualting composition preparation
Flumetralim ethephon (CEPHA),2-(chloroethyl) phosphonic acid aqueous suspension agent
The flumetralim ethephon (CEPHA),2-(chloroethyl) phosphonic acid aqueous suspension agent the preparation method comprises the following steps: by flumetralim, ethephon (CEPHA),2-(chloroethyl) phosphonic acid, BREAK-THRU
DA646, aliphatic acid polyethenoxy ether, xanthan gum, aluminium-magnesium silicate, Degussa gas-phase silica A-200, sodium benzoate, water mixing
It is sent into sand mill and is sanded after shearing, be sanded to D98 and be less than 3um discharging unlap.
Embodiment 4
1, subjects: Malus spectabilis.
2, experimental method: referring to " farm-chemical indoor determination test rule NY/T2061.2-2011 " plant growth regulating
Agent part 2: promote, inhibit plant strain growth test；Composition and single dose after being used with using component handle Malus spectabilis respectively, apply
Method are as follows: complete stool sprays observe growing state after application；Administration time are as follows: 1-10 days before bud differentiation.
3, it data statistic analysis: is analyzed using DPS7.05 (Duncan) statistical software.Each strain flower is counted in full-bloom stage
Amount calculates each processing single plant flower amount average value flower amount C1 (a), opposite blank control single plant flower amount inhibiting rate D1(%).
4, evaluation method:
Deliberated index D after the component of practical measurement is mixed1The theory index E obtained with Gowing formula1It compares；
The difference of actual value and theoretical value be greater than 10% be synergy effect, the difference of actual value and theoretical value is situated between
It is the effect of addition between ± 10%, it is antagonism that the difference of actual value and theoretical value, which is less than -10%,.
Calculation formula is as follows:
Inhibiting rate=(blank control-test data)/blank control * 100%；
Gowing formula: E=x+y-xy/100；X, y is that the resulting practical increment rate of each component is applied alone respectively or actually subtracts
Few rate.
5, test result is shown in Table 1.
Table 1
Experiment shows: being compounded using active components A flumetralim and active constituent B ethephon (CEPHA),2-(chloroethyl) phosphonic acid, the active components A and described
When active constituent B weight ratio is 0.1~10:1, plant growth regualting composition provided by the invention, by regulating and controlling bud physiology
Differentiation can substantially reduce colored amount, and have compound synergic effect.
Embodiment 5
1, subjects: Malus spectabilis.
2, experimental method: referring to " farm-chemical indoor determination test rule NY/T2061.2-2011 " plant growth regulating
Agent part 2: promote, inhibit plant strain growth test；Composition and single dose after being used with using component handle Malus spectabilis respectively, apply
Method are as follows: complete stool sprays observe growing state after application；Administration time are as follows: 1-10 days before bud differentiation.
3, it data statistic analysis: is analyzed using DPS7.05 (Duncan) statistical software.Each strain flower is counted in full-bloom stage
Amount calculates each processing single plant fruit amount average value C2(a), opposite blank control single plant fruit amount inhibiting rate D2(%).
4, evaluation method:
Deliberated index D after the component of practical measurement is mixed2The theory index E obtained with Gowing formula2It compares；
The difference of actual value and theoretical value be greater than 10% be synergy effect, the difference of actual value and theoretical value is situated between
It is the effect of addition between ± 10%, it is antagonism that the difference of actual value and theoretical value, which is less than -10%,.
Calculation formula is as follows:
Inhibiting rate=(blank control-test data)/blank control * 100%；
Gowing formula: E=x+y-xy/100；X, y is that the resulting practical increment rate of each component is applied alone respectively or actually subtracts
Few rate.
5, test result is shown in Table 2.
Table 2
Experiment shows: applying within 1-10 days before Malus spectabilis bud differentiation, uses active components A flumetralim and active constituent B second
When alkene benefit compounding, the active components A and the active constituent B weight ratio are 0.1~10:1, plant growth provided by the invention
Regulation composition, promotes the differentiation that falls off of Chinese flowering crabapple and young fruit, to reduce fruit setting amount, reduces fruit and disappears to photoassimilates
Consumption, and there is compound synergic effect.
Embodiment 6
1, subjects: sweet shaddock.
2, experimental method: referring to " farm-chemical indoor determination test rule NY/T2061.2-2011 " plant growth regulating
Agent part 2: promote, inhibit plant strain growth test；Composition and single dose after being used with using component handle sweet shaddock, application respectively
Method are as follows: complete stool sprays observe growing state after application；Administration time are as follows: 1-10 days before bud differentiation.
3, it data statistic analysis: is analyzed using DPS7.05 (Duncan) statistical software.Each strain flower is counted in full-bloom stage
Amount calculates each processing single plant fruit amount average value C3(a), opposite blank control single plant fruit amount inhibiting rate D3(%).
4, evaluation method:
Deliberated index D after the component of practical measurement is mixed3The theory index E obtained with Gowing formula3It compares；
The difference of actual value and theoretical value be greater than 10% be synergy effect, the difference of actual value and theoretical value is situated between
It is the effect of addition between ± 10%, it is antagonism that the difference of actual value and theoretical value, which is less than -10%,.
Calculation formula is as follows:
Inhibiting rate=(blank control-test data)/blank control * 100%；
Gowing formula: E=x+y-xy/100；X, y is that the resulting practical increment rate of each component is applied alone respectively or actually subtracts
Few rate.
5, test result is shown in Table 3.
Table 3
Experiment shows: 1-10 days before sweet shaddock bud differentiation, using active components A flumetralim and active constituent B ethephon (CEPHA),2-(chloroethyl) phosphonic acid
When compounding, the active components A and the active constituent B weight ratio are 0.1~10:1, plant growth regulating provided by the invention
Composition, promotes the differentiation that falls off of sweet shaddock and young fruit, to reduce fruit setting amount, reduces consumption of the fruit to photoassimilates, and
With compound synergic effect.
Embodiment 7
1, subjects: hawthorn.
2, experimental method: referring to " farm-chemical indoor determination test rule NY/T2061.2-2011 " plant growth regulating
Agent part 2: promote, inhibit plant strain growth test；Composition and single dose after being used with using component handle hawthorn respectively, apply
Method are as follows: complete stool sprays observe growing state after application；Administration time are as follows: 1-10 days before bud differentiation.
3, it data statistic analysis: is analyzed using DPS7.05 (Duncan) statistical software.Each strain flower is counted in full-bloom stage
Amount calculates each processing single plant fruit amount average value C4(a), opposite blank control single plant fruit amount inhibiting rate D4(%).
4, evaluation method:
Deliberated index D after the component of practical measurement is mixed4The theory index E obtained with Gowing formula4It compares；It is real
The difference of actual value and theoretical value be greater than 10% be synergy effect, the difference of actual value and theoretical value between ± 10% it
Between be addition effect, it is antagonism that the difference of actual value and theoretical value, which is less than -10%,.
Calculation formula is as follows:
Inhibiting rate=(blank control-test data)/blank control * 100%；
Gowing formula: E=x+y-xy/100；X, y is that the resulting practical increment rate of each component is applied alone respectively or actually subtracts
Few rate.
5, test result is shown in Table 4.
Table 4
Experiment shows: 1-10 days before hawthorn bud differentiation, using active components A flumetralim and active constituent B ethephon (CEPHA),2-(chloroethyl) phosphonic acid
When compounding, the active components A and the active constituent B weight ratio are 0.1~10:1, plant growth regulating provided by the invention
Composition, promotes the differentiation that falls off of hawthorn and young fruit, to reduce fruit setting amount, reduces consumption of the fruit to photoassimilates, and
With compound synergic effect.
Embodiment 8
1, subjects: apricot.
2, experimental method: referring to " farm-chemical indoor determination test rule NY/T2061.2-2011 " plant growth regulating
Agent part 2: promote, inhibit plant strain growth test；Composition and single dose after being used with using component handle apricot, application side respectively
Method are as follows: complete stool sprays observe growing state after application；Administration time are as follows: 1-10 days before bud differentiation.
3, it data statistic analysis: is analyzed using DPS7.05 (Duncan) statistical software.Each strain flower is counted in full-bloom stage
Amount calculates each processing single plant fruit amount average value fruit amount C5(a), opposite blank control single plant fruit amount inhibiting rate D5(%).
4, evaluation method:
Deliberated index D after the component of practical measurement is mixed5The theory index E obtained with Gowing formula5It compares；It is real
The difference of actual value and theoretical value be greater than 10% be synergy effect, the difference of actual value and theoretical value between ± 10% it
Between be addition effect, it is antagonism that the difference of actual value and theoretical value, which is less than -10%,.
Calculation formula is as follows:
Inhibiting rate=(blank control-test data)/blank control * 100%；
Gowing formula: E=x+y-xy/100；X, y is that the resulting practical increment rate of each component is applied alone respectively or actually subtracts
Few rate.
5, test result is shown in Table 5.
Table 5
Experiment shows: multiple using active components A flumetralim and active constituent B ethephon (CEPHA),2-(chloroethyl) phosphonic acid 1-10 days before apricot bud differentiation
Match, when the active components A and the active constituent B weight ratio are 0.1~10:1, plant growth regulating group provided by the invention
Object is closed, the differentiation that falls off of apricot and young fruit is promoted, to reduce fruit setting amount, reduces consumption of the fruit to photoassimilates, and have
Compound synergic effect.
Embodiment 9
1, subjects: Malus spectabilis.
2, experimental method: referring to " farm-chemical indoor determination test rule NY/T2061.2-2011 " plant growth regulating
Agent part 2: promote, inhibit plant strain growth test；Composition and single dose after being used with using component handle Malus spectabilis respectively, apply
Method are as follows: complete stool sprays.Growing state is observed after application；Administration time are as follows: 1-10 days before bud differentiation.After medication 60 days,
It takes at the upper, middle and lower blade each 10 of each plant of Malus spectabilis east, south, west, north, measures chlorophyll concentration.
3, it data statistic analysis: is analyzed using DPS7.05 (Duncan) statistical software.According to test number
Averagely chlorophyll concentration C is obtained according to calculating6(mg/L), opposite blank control is averaged chlorophyll concentration growth rate
D6(%).
4, evaluation method:
Deliberated index D after the component of practical measurement is mixed6The theory index E obtained with Gowing formula6It compares；
The difference of actual value and theoretical value be greater than 10% be synergy effect, the difference of actual value and theoretical value is situated between
It is the effect of addition between ± 10%, it is antagonism that the difference of actual value and theoretical value, which is less than -10%,.
Calculation formula is as follows:
Growth rate=(test data-blank control)/blank control * 100%；
Gowing formula: E=x+y-xy/100；X, y is that the resulting practical increment rate of each component is applied alone respectively or actually subtracts
Few rate.
5, test result is shown in Table 6.
Table 6
Experiment shows: active constituent B ethephon (CEPHA),2-(chloroethyl) phosphonic acid is administered alone, and reduces plant plant height, uses active components A flumetralim and work
Property ingredient B ethephon (CEPHA),2-(chloroethyl) phosphonic acid compounding, when the active components A and the active constituent B weight ratio are 0.1~10:1, the present invention is provided
Plant growth regualting composition, overcome ethephon (CEPHA),2-(chloroethyl) phosphonic acid single dose apply when weaken plant growing way, have increase plant chlorophyll content
Effect.
The above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair
Limitation of the invention, protection scope of the present invention should be defined by the scope defined by the claims..For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, several improvements and modifications can also be made, these change
It also should be regarded as protection scope of the present invention into retouching.
Claims (10)
1. a kind of plant growth regualting composition, which is characterized in that the composition includes: active components A and active constituent B,
The active components A and the weight ratio of the active constituent B are 0.1~10:1；The active components A is flumetralim；The work
Property ingredient B be ethephon (CEPHA),2-(chloroethyl) phosphonic acid.
2. plant growth regualting composition according to claim 1, which is characterized in that the active components A and the work
Property ingredient B weight ratio be 0.5~2:1.
3. plant growth regualting composition according to claim 1, which is characterized in that the active components A and the work
Property ingredient B weight ratio be 1:1.
4. a kind of plant growth regualting composition preparation, which is characterized in that raw by the described in any item plants of Claims 1-4
Acceptable auxiliary material composition in long regulation composition and Pesticide Science.
5. preparation according to claim 4, which is characterized in that the percentage that the composition accounts for the preparation gross mass is
0.001%~99%.
6. a kind of described in any item plant growth regualting compositions of claims 1 to 3 are in terms of reducing plant flowers and/or fruit
Using.
7. application according to claim 6, which is characterized in that the plant is ornamental plant.
8. application according to claim 7, which is characterized in that the ornamental plant is Malus spectabilis, sweet shaddock, hawthorn, apricot.
9. application according to claim 6, which is characterized in that the method for administration packet of the plant growth regualting composition
It includes: before plant bud differentiation and/or plant full-bloom stage applying said compositions.
10. application according to claim 6, which is characterized in that the method for administration packet of the plant growth regualting composition
Include: the composition amount of application is 0.001kg/ha~4kg/ha.
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