CN105613500B - A kind of plant growth regulator composition - Google Patents

A kind of plant growth regulator composition Download PDF

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Publication number
CN105613500B
CN105613500B CN201410616005.7A CN201410616005A CN105613500B CN 105613500 B CN105613500 B CN 105613500B CN 201410616005 A CN201410616005 A CN 201410616005A CN 105613500 B CN105613500 B CN 105613500B
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growth regulator
plant growth
propionylbrassinolide
nitrophenate
active constituent
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CN105613500A (en
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罗昌炎
詹姆斯·T·布里斯托
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Jiangsu Rotam Chemical Co Ltd
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Jiangsu Rotam Chemical Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture

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Abstract

The present invention relates to agriculture fields, and in particular to a kind of plant growth regulator composition, more particularly to a kind of plant growth regulator composition and its application containing active constituent propionylbrassinolide and compound sodium nitrophenolate or potassium para-nitrophenate.A kind of plant growth regulator composition, containing active constituent propionylbrassinolide and compound sodium nitrophenolate or potassium para-nitrophenate, wherein propionylbrassinolide and the weight ratio of compound sodium nitrophenolate or potassium para-nitrophenate are 1:1 to 1:1000;The invention further relates to the purposes that the composition is used to improve plant health.

Description

A kind of plant growth regulator composition
Technical field
The present invention relates to agriculture fields, and in particular to a kind of plant growth regulator composition, more particularly to one kind contain Plant growth regulator composition and its application of propionylbrassinolide and compound sodium nitrophenolate or potassium para-nitrophenate.
Background technology
Plant hormone plays an important roll the growth and development of plant, by applying hormone or growth regulating outside the plant The growth and development of plant is adjusted in substance, plant growth can be promoted, crop yield is improved and increase crop anti-adversity etc. Deng.
Propionylbrassinolide is the upgrading products of brassin lactones active compound, is novel, efficient plant growth regulator, Sterling is white crystalline powder, is dissolved in the organic solvents such as methanol, ethyl alcohol, ether, chloroform, is insoluble in water.The product is removed and is remained Outside the advantages of brassin lactones, the drug effect phase is longer, and effect is more notable, more stable.Agricultural application above show reverse-resisting yield-increasing, The remarkable results such as quality are improved, are to develop the rare excellent product of high performance and fine agriculture.
Compound sodium nitrophenolate refers to by three kinds of ingredients (sodium onitrophenol, Sodium p-nitrophenoxide, 5- nitro o-methoxyphenols Sodium) composition compound sodium nitrophenolate class plant growth regulator, nineteen fifty-two by chemical (Asahi) Industrial Co., Ltd research and development of the Japanese rising sun at Work(.Trade name Idall is received, love is had a good harvest, Atonik.Compound sodium nitrophenolate is Chinese red flaky crystal, peony acicular crystal and erotic film The mixed crystal of shape crystal, it is soluble easily in water, dissolve in ethyl alcohol, methanol, acetone and other organic solvent.Compound sodium nitrophenolate is cured for mono-nitration The wooden sodium phenolate plant cell activating agent of wound.It can penetrate into plant rapidly, promote cellular plasm flowing, accelerate plant rooting Speed has different facilitations to reproduction and result, can accelerate the speed of growth, breaking dormancy, and enhancing development prevents fallen flowers Shedding, dehiscent fruit, contracting fruit improve product quality, improve yield, improve the disease-resistant, pest-resistant of crop, drought resisting, waterlogging-resistant, cold-resistant, salt resistance The anti-adversity abilities such as alkali, resistant to lodging.It is widely used in cereal crops, industrial crops, melon fruits and vegetables, fruit tree, oil crops and flower Grass etc..Can plant seeding to harvest during any period use, can be used for seed dipping, seedbed perfusion, foliage spray and Bud spreading etc..
Potassium para-nitrophenate is by 5- nitroguaiacols potassium, o-nitrophenol potassium, p-nitrophenol potassium by 1:2:3 weight ratios are matched Than forming, bioactivity is identical with potassium para-nitrophenate, and foliage-spray can promptly be permeated in plant, enhancing photosynthetic work With acceleration cell division promotes Nutrient Absorption, and to accelerate rooting rate, breaking dormancy prevents fruit drop, promotes plant Growth, can be used in cereal crops, industrial crops, vegetables, fruit tree and flowers and other crops.
CN1326676 A disclose a kind of compound nitrophenol sylvite gibberellin plant growth regulator, mainly by potassium para-nitrophenate Salt 0.01-4%, gibberellin 0.1-1.5%, emulsifier 0.1-5%, additive 0.1-5% and water surplus composition.
CN101209049 A disclose a kind of plant growth regulator composition, it is mainly mixed by following component, By weight, uniconazole P 0.1-60 parts, caproic acid Diethylaminoethanol ester and compound sodium nitrophenolate one of which or two kinds 0.1-60 parts.
Crop protection field also needs to improve the composition of plant health.Healthier plant can generate higher plant fruit Real yield and/or higher plant or fruit quality.
Invention content
The invention aims to improve plant health, a kind of plant growth regulator composition is provided.
The present inventor have passed through long-term research, and propionylbrassinolide and compound sodium nitrophenolate or potassium para-nitrophenate are answered in discovery Match, the growth of crop can be obviously improved, crop is promoted to take root, increases crop yield etc..
One aspect of the present invention provides a kind of plant growth regulator composition, containing active constituent propionylbrassinolide and Compound sodium nitrophenolate or potassium para-nitrophenate.
In above-mentioned composition, wherein propionylbrassinolide and the weight ratio of compound sodium nitrophenolate or potassium para-nitrophenate are 1:1 to 1:1000、1:1 to 1:500, preferably 1:1 to 1:100, more preferable 1:1 to 50, further preferably 1:1 to 1:10.
In the above-mentioned composition of the present invention, wherein active constituent propionylbrassinolide and compound sodium nitrophenolate or potassium para-nitrophenate Account for the 0.1%-40%, preferably 0.1%-20% of composition total weight, more preferable 0.1%-10%.
A kind of above-mentioned plant growth regulator composition is prepared into agriculturally acceptable arbitrary dosage form, wherein it is preferred that preparing At wettable powder, water dispersible granules, suspending agent, aqueous emulsion, microcapsule suspending agent, suspension seed-coating agent, aqua, missible oil, water solubility Pulvis, water-soluble granule.
Another aspect of the invention also provides a kind of purposes of plant growth regulator composition in improving plant health.
The present invention also provides the methods for improving plant health, and plant growth regulator composition of the present invention is acted on In the seed of target useful plant, target useful plant.
The present invention also provides a kind of methods that prevention improves plant health, and the expected seed for growing target plant is being sowed It is handled with plant growth regulator composition of the present invention after preceding and/or vernalization.
Detailed description of the invention
The present inventor have passed through long-term research, find to carry out propionylbrassinolide, compound sodium nitrophenolate or potassium para-nitrophenate Compounding can improve plant health, and synergistic.Based on the discovery, inventor completes the present invention.
Therefore, one aspect of the present invention is related to a kind of plant growth regulator composition, containing propionylbrassinolide and again Nitre phenol sodium or potassium para-nitrophenate, wherein propionylbrassinolide are 1 with the weight ratio of compound sodium nitrophenolate or potassium para-nitrophenate:1 to 1:1000、 1:1 to 1:500, preferably 1:1 to 1:100, more preferable 1:1 to 50, further preferably 1:1 to 1:10.
In the above-mentioned composition of the present invention, wherein active constituent propionylbrassinolide and compound sodium nitrophenolate or potassium para-nitrophenate Account for the 0.1%-40%, preferably 0.1%-20% of composition total weight, more preferable 0.1%-10%.
Another aspect of the present invention provides a kind of plant growth regulator composition, wherein the composition includes above-mentioned activity Ingredient, and agriculturally acceptable auxiliary agent and/or carrier.
A kind of above-mentioned plant growth regulator composition is prepared into agriculturally acceptable arbitrary dosage form, wherein it is preferred that preparing At wettable powder, water dispersible granules, suspending agent, aqueous emulsion, microcapsule suspending agent, suspension seed-coating agent, aqua, missible oil, water solubility Pulvis, water-soluble granule.
Above-mentioned dosage form is this field regular dosage form, what preparation method was well known to those skilled in the art, is prepared into Agricultural agent and/or carrier and its dosage used in above-mentioned various dosage forms are similarly well-known to those skilled in the art, this It may refer to for example a bit《Formulations of pesticide processing technology》(Liu Bulin is edited, the second edition).Auxiliary agent and/or carrier used is for example Including but not limited to solvent, cosolvent, emulsifier, dispersant, wetting agent, cyst material, adhesive, film forming agent, disintegrant, increasing Thick dose, antifreezing agent, stabilizer, pH adjusting agent, warning coloration, filler and/or carrier etc..
Wherein, in above-mentioned formula, the solvent can be selected:Benzene,toluene,xylene, acetone, dimethylformamide, Dimethyl sulfoxide (DMSO), chloroform, dichloromethane, hexamethylene, cyclohexanone, N-Methyl pyrrolidone, methanol, ethyl alcohol, propyl alcohol, isopropyl It is alcohol, butanol, isobutanol, cyclohexanol, Propylene Glycol ether, ethohexadiol ether, petroleum ether, acetonitrile, paraffin, tetrahydronaphthalene, different It is one or more in phorone, soybean oil, cottonseed oil etc.;
The cosolvent can be selected:It is one or more in methanol, ethyl alcohol, isopropanol, n-butanol etc.;
The emulsifier can be selected:Lauryl sodium sulfate, neopelex, calcium dodecyl benzene sulfonate, Thermally coupled distillation columns amine salt, castor oil polyoxyethylene ether phosphate amine salt, three phenethyl phenol polyoxy ether phosphoric acid Ester amine salt, Polyoxyethylene fatty acid amides fatty acid ester, Fixanol, alkyl isoquinolinium salt, dialkylmorpholinum salts, oleamide sulfonic acid Salt, diisopropyl naphthalene sulfonate, lignosulfonates, naphthalenesulfonate formaldehyde condensation compound, styryl phenyl polyoxyethylene ether, benzene Ethyl -phenol polyoxyethylene poly-oxygen propylene aether, nonylphenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, polyoxyethylene alkyl ether, Polyoxyethylene polyoxypropylene block polymer, alkyl phenol formaldehyde resin polyoxyethylene ether, Polyoxyethylene Sorbitol Fatty Acid Esters, mountain In pears alcohol acid anhydride monostearate, sorbitan monostearate polyoxyethylene ether, polyoxypropylene glycol mono fatty acid ester etc. It is one or more;
The dispersant can be selected:Lignosulfonates, p-hydroxyphenyl sodium lignin sulfonate, fatty alcohol polyoxyethylene ether Sulfate, alkylnaphthalene sulfonate, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, dodecyl trimethyl ammonium salt, alkyl dimethyl benzyl ammonium Salt, two polyoxyethylene lauryl ether phosphate, styrene-maleic acid salt copolymer, aliphatic alcohol polyoxyvinethene phosphate, nonyl Base phenol polyethenoxy ether, glycerine fatty acid polyoxyethylene ether, polyoxyethylene alkylaryl ether, polyoxyethylene lanolin alcohol, polyoxy In ethylene sorbitan aliphatic ester, polyoxyethylene glyceryl mono fatty acid ester, alkylolamides and polyoxyethylene alkyl amine etc. It is one or more;
The wetting agent can be selected:Lauryl sodium sulfate, calcium dodecyl benzene sulfonate, isooctanol succinate sulfonic acid Sodium, oleoyl methyl sodium taurocholate, polyoxyethylene lauryl ether carboxylic acid sodium, sodium N-lauroyl sarcosinate, N- lauroyl paddy ammonia Sour sodium, dioctyl sulfosuccinate, polyoxyethylene alkylaryl ether phosphate ester salt, trisiloxanes polyoxyethylene ether, triphen second The poly- base ether formaldehyde contracting of base phenol polyoxyethylene ether, castor oil polyoxyethylene ether, fatty alcohol polyoxyethylene ether, alkylphenol-polyethenoxy Close object, alkylphenol-polyethenoxy base ether phosphate, polyoxyethylene fatty acid ester, higher fatty acid ester, sorbitan fatty It is one or more in acid esters etc.;
Described adhesive can be selected:It is starch, polyvinylpyrrolidone, carboxymethyl cellulose, carboxyethyl cellulose, bright It is one or more in glue, Arabic gum, xanthans etc.;
The film forming agent can be selected:Polyvinyl alcohol, polyvinyl acetate, polyacrylamide, carboxymethyl cellulose, hydroxypropyl It is one or more in base cellulose, Arabic gum, gelatin, xanthans, starch etc.;
The disintegrant can be selected:Urea, sodium sulphate, calcium sulfate, sodium bicarbonate, ammonium sulfate, magnesium chloride, sodium chloride etc. In it is one or more;
The thickener can be selected:Arabic gum, xanthans, gelatin, polyvinyl alcohol, aluminium-magnesium silicate, carboxymethyl cellulose It is one or more in plain sodium etc.;
The antifoaming agent can be selected:It is one or more in butylphosphoric acid ester, phosphoric acid isobutyl ester, n- octanol, silicone etc.;
The antifreezing agent can be selected:It is one or more in ethylene glycol, propylene glycol, glycerine etc.;
The stabilizer can be selected:Triphenyl phosphite, N- soybean oleyl trimethylene diamine, dialkyl group succinate It is one or more in sulfonate, epoxychloropropane, butyl glycidyl ether etc.;
The warning coloration can be selected:Basic rhodamine, alkaline purple 10, alkalescence purple 49, CI 45430, acid red 52, acid Property is red 14, one or more in acid blue 9, acid yellow 23, alkali red 1:1 0, alkali red 1:1 08;
The preservative can be selected:It is one or more in benzoic acid, sodium benzoate etc.;
The pH adjusting agent can be selected:Hydrochloric acid, calgon, sodium citrate, sodium bicarbonate, sodium hydroxide, hydrogen-oxygen It is one or more in agent, triethanolamine etc.;
The filler and/or carrier can be selected:Attapulgite, diatomite, kaolin, white carbon, bentonite, illiteracy are de- It is one or more in stone, calcium carbonate, zeolite, acid clay, carclazyte, pyrophyllite, talcum, calcite etc..
Another aspect of the invention also provides a kind of purposes of plant growth regulator composition in improving plant health.
The term " improving plant health " of the present invention refers to improved crop characteristic, including:Emergence, crop yield, albumen Matter content, more flourishing root system, tiller increase, plant height increases, blade becomes larger, the basal leaf of death is less, stronger point Tiller, leaf green be greener, pigment content, photochemical vitality, need less fertilizer, need less seed, more fertile point Tiller uprightly increases compared with prematurity, cereal more early ripe, the lodging of less plant, branch growth increase, plant vigor increase, plant It is sprouted with early stage.
Plant growth regulator is general and specific growth and the substance of differentiation and growth course changed in plant.Plant Growth regulator usually accelerates or blocks plant growth or ripe speed or its yield.For example, plant growth regulator can stimulate Seed sprout, change plant height or change plant growth rate, including bloom, make leaf color burn or change result when Between and efficiency.
, it is surprising that compared with the activity that single compound may obtain, when propionylbrassinolide, compound sodium nitrophenolate Or the composition of potassium para-nitrophenate is for plant, seed or when growth place, propionylbrassinolide, compound sodium nitrophenolate or compound nitrophenol The composition of potassium increases the improvement of plant health in a manner of super adduction.
The invention particularly relates to the plant growth regulator compositions to be used to increase crop yield, crop is promoted to take root Purposes.
The present invention also provides a kind of methods improving plant health, by plant growth regulator composition of the present invention Act on the seed of target useful plant, target useful plant.
The present invention also provides a kind of methods improving plant health, prior to seeding by the expected seed for growing target plant And/or it is handled with plant growth regulator composition of the present invention after vernalization.
The present invention plant growth regulator composition crop applicatory and/or crop seed include but not limited to:Water Rice, wheat, barley, rye, oat, corn, cotton, soybean, red bean, Kidney bean, peanut, beet, rape, sunflower, tobacco, eggplant Son, tomato, potato, cucurbita pepo, cucumber;It is preferred that rice, wheat, corn, cotton, soybean, peanut, eggplant, tomato, western calabash Reed, cucumber;More preferable rice, wheat, corn.
The composition of the present invention can be applied with itself, be applied with its dosage form or use form prepared therefrom.It is logical It crosses usual manner to be administered it, such as is poured, sprayed, atomizing, broadcasted sowing, dust, Waterless Seed Dressing, wet-mixing kind, slurries are mixed Kind.
The medicament of the method for seed treatment, such as can there are, diluent liquid or solid-like or without dilution directly general Seed is immersed in the method for making medicament be impregnated with seed in liquid condition solution, is blended in solid chemicals or liquid preparation and seed Together, being coated processing makes the method for the surface of the seed attachment medicament, the methods of sprinkling near seed while plantation.
Propionylbrassinolide, compound sodium nitrophenolate or potassium para-nitrophenate can be applied jointly or separately.The separate administration the case where Under, the application of each active constituent can simultaneously or the part as processing sequence carries out one by one, wherein applying successively In the case of be preferably administered with several minutes to a couple of days of interval.
Beneficial effects of the present invention are shown:
In the present invention, by propionylbrassinolide compound sodium nitrophenolate or potassium para-nitrophenate use in conjunction, relative to each single dose with And combination of two, the growth of crop can be improved.Such as crop is promoted to take root, increase the lodging resistance of crop;Or it can increase Add crop yield, to improve economic and social benefit.
Specific implementation mode
With reference to specific embodiment, invention is further explained, but does not limit the invention to these tools Body embodiment.One skilled in the art would recognize that present invention encompasses may include in Claims scope All alternatives, improvement project and equivalent scheme.
(One)Example of formulations
In following example of formulations, unless otherwise stated, the percentage is weight percentage.
+ 0.3% compound sodium nitrophenolate aqua of 1 0.003% propionylbrassinolide of embodiment
Formula composition is:Propionylbrassinolide 0.003%, compound sodium nitrophenolate 0.3%, lauryl sodium sulfate 3%, N- bays Acyl glutamic acid sodium 2%, glycerine 2%, n- octanol 0.5%, water surplus;
Preparation method is:Above-mentioned each ingredient is added to the water while stirring, until all dissolvings, are made aqua.
+ 0.2% potassium para-nitrophenate aqua of 2 0.002% propionylbrassinolide of embodiment
Formula composition is:Propionylbrassinolide 0.002%, potassium para-nitrophenate 0.2%, sodium lignin sulfonate 3%, polyoxyethylene Aliphatic ester 2%, glycerine 2%, n- octanol 0.5%, water surplus;
Preparation method is:Above-mentioned each ingredient is added to the water while stirring, until all dissolvings, are made aqua.
+ 10% compound sodium nitrophenolate aqueous emulsion of 3 0.1% propionylbrassinolide of embodiment
Formula composition is:Propionylbrassinolide 0.1%, compound sodium nitrophenolate 10%, dimethylformamide 15%, detergent alkylate Sodium sulfonate 6%, propylene glycol 5%, silicone 0.5%, water surplus;
Preparation method is:Propionylbrassinolide, solvent, emulsifier etc. are added together, make to be dissolved into homogeneous oil phase;It will Compound sodium nitrophenolate is soluble in water, and antifreezing agent, antifoaming agent etc. is added and mixes, at uniform water phase.Under high velocity agitation, by water phase Oil phase is added, aqueous emulsion can be made.
+ 0.01% potassium para-nitrophenate aqueous emulsion of 4 0.01% propionylbrassinolide of embodiment
Formula composition is:Propionylbrassinolide 0.01%, potassium para-nitrophenate 0.01%, chloroform 5%, phenethyl phenol are poly- Ethylene oxide polyethenoxy ether 6%, propylene glycol 5%, silicone 0.5%, water surplus;
Preparation method is:Propionylbrassinolide, solvent, emulsifier etc. are added together, make to be dissolved into homogeneous oil phase;It will Potassium para-nitrophenate is soluble in water, and antifreezing agent, antifoaming agent etc. is added and mixes, at uniform water phase.Under high velocity agitation, by water phase Oil phase is added, aqueous emulsion can be made.
+ 5% compound sodium nitrophenolate suspending agent of 5 0.01% propionylbrassinolide of embodiment
Formula composition is:Propionylbrassinolide 0.01%, compound sodium nitrophenolate 5%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 8%, oleoyl Ylmethyl sodium taurocholate 8%, Arabic gum 5%, propylene glycol 5%, phosphoric acid isobutyl ester 0.5%, water surplus;
Preparation method is:Suspending agent is made by ultramicro grinding method in the above-mentioned each component for weighing formula ratio.
+ 2% potassium para-nitrophenate suspending agent of 6 0.002% propionylbrassinolide of embodiment
Formula composition is:Propionylbrassinolide 0.002%, potassium para-nitrophenate 2%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 4%, alkane Base phenol polyethenoxy base ether phosphate 6%, Arabic gum 5%, propylene glycol 5%, phosphoric acid isobutyl ester 0.5%, water surplus;
Preparation method is:Suspending agent is made by ultramicro grinding method in the above-mentioned each component for weighing formula ratio.
+ 1.4% compound sodium nitrophenolate water solube powder of 7 0.003% propionylbrassinolide of embodiment
Formula composition is:Propionylbrassinolide 0.003%, compound sodium nitrophenolate 1.4%, p-hydroxyphenyl sodium lignin sulfonate 6%, Oleoyl methyl sodium taurocholate 9%, attapulgite surplus;
Preparation method is:The above-mentioned each component of formula ratio is weighed, and is mixed, grinds, crushes, water soluble powder is made Agent.
+ 0.8% potassium para-nitrophenate wettable powder of 8 0.8% propionylbrassinolide of embodiment
Formula composition is:Propionylbrassinolide 0.8%, potassium para-nitrophenate 0.8%, polyoxyethylene alkyl amine 6%, sorbitan Aliphatic ester 6%, attapulgite surplus;
Preparation method is:The above-mentioned each component of formula ratio is weighed, and is mixed, grinds, crushes, wettable powder is made Agent.
+ 3% compound sodium nitrophenolate water-soluble granule of 9 0.06% propionylbrassinolide of embodiment
Formula composition is:Propionylbrassinolide 0.06%, compound sodium nitrophenolate 3%, styrene-maleic acid salt copolymer 8%, three Polysiloxane polyoxyethylene ether 10%, ammonium sulfate 5%, carboxymethyl cellulose 5%, diatomite surplus;
Preparation method is:The above-mentioned each component of formula ratio is weighed respectively, and is mixed, is granulated, and water-soluble granule is made.
+ 8% potassium para-nitrophenate water dispersible granules of 10 0.8% propionylbrassinolide of embodiment
Formula composition is:Propionylbrassinolide 0.8%, potassium para-nitrophenate 8%, polyoxyethylene alkylaryl ether 10%, N- bays Acyl glutamic acid sodium 8%, ammonium sulfate 5%, carboxyethyl cellulose 5%, diatomite surplus;
Preparation method is:The above-mentioned each component of formula ratio is weighed respectively, and is mixed, is granulated, and water dispersible granules are made.
Proportioning is weight per distribution ratio in above example.
(Two)Corn yield increasing is tested
For planting experimentally son:Corn seed(Zheng Dan 958)
Test method:Average division of cells, per about 100 square metres of plot area, maize planting, control line-spacing about 40-50 Cm, spacing in the rows 30-40cm.At corn jointing initial stage, growth regulator composition of the present invention is sprayed respectively, and wherein comparison medicament is 0.003% propionylbrassinolide aqua, 1.4% compound sodium nitrophenolate aqua, 1.4% potassium para-nitrophenate aqua, clear water is blank control.Respectively It handles in triplicate, and the control of spray liquor dosage is in 40 liters/mu or so.In harvest time, the mu of each processing corn is measured respectively Yield.As a result it see the table below 1.
As shown in Table 1, propionylbrassinolide and compound sodium nitrophenolate or potassium para-nitrophenate are 1:1 to 1:1000
In the range of, for corn yield increasing compared to single dose, obtain the effect of collaboration volume increase.
(Three)Soybean rhizome is than measuring
Test material:Soya seeds
Test method:It chooses healthy, full soya seeds to be grouped, every group 30, uses medicament described in following table respectively Soak seed 8h, if clear water is blank control, carries out laboratory sowing respectively later.When soybean seedling is grown to 8 leaf period, measure each The average rhizome ratio of processed soybeans(Each group takes 5 plants to measure, and is averaged).Specifically measurement method is:Respectively by overground part Point and under ground portion be placed in 60 DEG C of baking ovens that drying to constant weight, pass through following formula and calculate rhizome ratio:
The rhizome wherein respectively handled is more as shown in table 2 below than data.
2 soybean seedling rhizome of table compares measurement result
As can be seen from the above table, after using the combination of regulators of the present invention, relative to blank control and single dose pair According to can obviously increase the rhizome ratio of soybean seedling, propionylbrassinolide is with compound sodium nitrophenolate or potassium para-nitrophenate 1:1 to 1: Notable synergistic effect is shown in the range of 1000.
The growth regulator composition of the present invention is described by specific embodiment.But examples detailed above is only It is that the present invention is explained further, is not limitation of the invention, by said program is carried out simple adjustment Obtained scheme is not detached from the spirit of the present invention, is regarded as being included within the scope of the present invention.

Claims (12)

1. a kind of purposes of plant growth regulator composition in terms of promoting crop to take root, increasing crop yield, feature exist In the plant growth regulator composition contains active constituent propionylbrassinolide and compound sodium nitrophenolate or potassium para-nitrophenate, institute It is 1 that active constituent propionylbrassinolide, which is stated, with the weight ratio of compound sodium nitrophenolate or potassium para-nitrophenate:1 to 1:1000.
2. purposes according to claim 1, which is characterized in that the active constituent propionylbrassinolide and compound sodium nitrophenolate Or the weight ratio of potassium para-nitrophenate is 1:1 to 1:500.
3. purposes according to claim 1, which is characterized in that the active constituent propionylbrassinolide and compound sodium nitrophenolate Or the weight ratio of potassium para-nitrophenate is 1:1 to 1:100.
4. purposes according to claim 1, which is characterized in that the active constituent propionylbrassinolide and compound sodium nitrophenolate Or the weight ratio of potassium para-nitrophenate is 1:1 to 1:50.
5. purposes according to claim 1, which is characterized in that the active constituent propionylbrassinolide and compound sodium nitrophenolate Or the weight ratio of potassium para-nitrophenate is 1:1 to 1:10.
6. purposes according to claim 1, which is characterized in that the active constituent accounts for the plant growth regulator combination The 0.1%-40% of object total weight.
7. purposes according to claim 1, which is characterized in that the active constituent accounts for the plant growth regulator combination The 0.1%-20% of object total weight.
8. purposes according to claim 1, which is characterized in that the active constituent accounts for the plant growth regulator combination The 0.1%-10% of object total weight.
9. purposes according to claim 1, which is characterized in that the plant growth regulator composition includes claim Active constituent described in 1, and agriculturally acceptable auxiliary agent and/or carrier.
10. purposes according to claim 1, which is characterized in that the plant growth regulator composition, dosage form is can Wet powder, water dispersible granules, suspending agent, aqueous emulsion, microcapsule suspending agent, suspension seed-coating agent, aqua, missible oil, water solube powder, Water-soluble granule.
11. purposes according to claim 1, which is characterized in that combine plant growth regulator described in claim 1 Object acts on the seed of target useful plant or its environment, target useful plant.
12. purposes according to claim 1, which is characterized in that by the expected seed for growing target plant prior to seeding and/ Or it is handled with plant growth regulator composition described in claim 1 after vernalization.
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CN107751201A (en) * 2016-08-16 2018-03-06 江苏龙灯化学有限公司 A kind of plant growth regulator composition
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