CN104336019A - Pesticide composition and application thereof - Google Patents

Pesticide composition and application thereof Download PDF

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Publication number
CN104336019A
CN104336019A CN201410531427.4A CN201410531427A CN104336019A CN 104336019 A CN104336019 A CN 104336019A CN 201410531427 A CN201410531427 A CN 201410531427A CN 104336019 A CN104336019 A CN 104336019A
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composition pesticide
prothioconazoles
plant growth
parts
gibberellic acid
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CN201410531427.4A
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CN104336019B (en
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古越
杨晓清
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Sichuan Lier Crop Science Co Ltd
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Sichuan Lier Crop Science Co Ltd
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Priority to CN201610148008.1A priority Critical patent/CN105766934B/en
Priority to CN201610147515.3A priority patent/CN105685055B/en
Priority to CN201410531427.4A priority patent/CN104336019B/en
Publication of CN104336019A publication Critical patent/CN104336019A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/64Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
    • A01N43/647Triazoles; Hydrogenated triazoles
    • A01N43/6531,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N33/00Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds
    • A01N33/16Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds containing nitrogen-to-oxygen bonds
    • A01N33/18Nitro compounds
    • A01N33/20Nitro compounds containing oxygen or sulfur attached to the carbon skeleton containing the nitro group
    • A01N33/22Nitro compounds containing oxygen or sulfur attached to the carbon skeleton containing the nitro group having at least one oxygen or sulfur atom and at least one nitro group directly attached to the same aromatic ring system
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/02Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
    • A01N43/04Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
    • A01N43/06Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings
    • A01N43/12Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings condensed with a carbocyclic ring
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/02Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
    • A01N43/04Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
    • A01N43/22Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom rings with more than six members

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  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention discloses a pesticide composition and application thereof and belongs to the technical field of pesticide compounding. The composition contains prothioconazole and a plant growth regulator as effective components, wherein the plant growth regulator is selected from one or more of gibberellic acid, compound sodium nitrophenolate and brassinolide; when the prothioconazole and the gibberellic acid are compounded, the weight ratio of the prothioconazole to the gibberellic acid is (2332:1) to (13999:1); when the prothioconazole and the compound sodium nitrophenolate are compounded, the weight ratio of the prothioconazole to the compound sodium nitrophenolate is (42:1) to (99:1); when the prothioconazole and the brassinolide are compounded, the weight ratio of the prothioconazole to the brassinolide is (199:1) to (1999:1). The composition can be used for remarkably reducing the application rate of single agents, so that not only can pathogenic fungi of plants be effectively controlled, various diseases such as powdery mildew of rice, wheat rust, sclerotinia rot of colza, wheat sharp eyespot and the like be prevented and treated, but also the plant growth can be adjusted to achieve the effect of crop yield increase.

Description

Composition pesticide and application thereof
Technical field
The invention belongs to technical field of compounded pesticide, relate to a kind of composition pesticide and the application thereof that contain prothioconazoles.
Background technology
In agricultural production, the control of disease is related to the healthy growth of crops.Under the long-term overall situation constantly using agricultural chemicals, the use of single dose agricultural chemicals, cause the use cost of peasant's prophyiaxis and promoting growth more and more higher, the resistance of plant is more and more stronger.Along with reinforcement and the sustainable development implementation of environmental protection ideas, the inexorable trend efficient, low toxicity, high activity, low-residual have become Agrochemicals.Therefore, how Scientific Usage of Drugs, reduces the consumption of chemical pesticide, improves drug effect, becomes the problem that plant protection art is badly in need of solving.
Bactericide and plant growth regulator are effectively made complex preparation, the consumption of respective composition can not only be reduced, the effect of a medicine prophyiaxis and promoting growth can be reached simultaneously, increase the effect of the controlling disease of medicine own, improve the resistance of plant, finally reach the effect of crop yield.
The molecular formula of prothioconazoles (prothioconazole) is Cl 4h 15c 12n 3oS, chemical name: (RS)-2-[2-(1-chlorine cyclopropyl)-3-(2-chlorphenyl)-2-hydroxypropyl]-2,4-dihydro-1,2,4-triazole-3-thioketones.A large amount of experimental results shows that prothioconazoles almost has good preventive effect to all diseases of wheat class, particularly to banded sclerotial blight and spot blight, there is special activity, it not only has good safety to crop, preventing disease theraping effect is good, and volume increase is obviously, the lasting period is long, but use that is long-term along with prothioconazoles, single dose, pathogenic bacteria produce very strong pesticide resistance to it, directly cause drug effect reduction and the shortening of lasting period.
The molecular formula of gibberellic acid (gibberellic acid) is C 19h 22o 6, chemical name is the red mould-3-alkene of 2,4a, 7-trihydroxy-1-methyl-8-methylene-1,10-dicarboxylic acids-Isosorbide-5-Nitrae a-lactone.Gibberellic acid is a broad spectrum activity plant growth regulator, can promote crop growth, makes it premature ripening, improves output, improves quality; The dormancy of the organs such as seed, stem tuber and bulb can be broken rapidly, stratification; Reduce flower bud, flower, bell, the coming off of fruit, improve fruit fruiting rate or form stenospermocarpy.Fruit tree, vegetables, cereal crops, economic crops and paddy rice cross breeding breeding can be widely used in.
Compound sodium nitrophenolate is the compound of 5-nitroguaiacol sodium salt, sodium onitrophenol and Sodium p-nitrophenoxide, all has to developmental stage such as plant rooting, growth, reproduction and results the facilitation that degree is different.Because they are different from plant hormone, plant seeding start to results between any period, all can use.
The molecular formula of brassin lactones (brassinolide) is C 28h 48o 6, chemical name is (22R, 23R, 24R)-2 α, 3 α 22,23-tetrahydroxy-β-homogeneous phase-7-oxa-5 alpha-lumistane-6-ketone.Brassin lactones can effectively improve crop chlorophyll content, strengthens photosynthesis; Promote crop root growth, improve crop to effective absorption of fertilizer.
Bactericide and plant growth regulator effectively composite, obviously can reduce the consumption of each single dose, play the effect of a medicine prophyiaxis and promoting growth simultaneously, and about prothioconazoles and gibberellic acid, compound sodium nitrophenolate and brassin lactones complex composition and it is simultaneously for coordinate plant growth and the purposes controlling plant pathogenic fungi, not yet report at home at present.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of composition pesticide, said composition with prothioconazoles and plant growth regulator for active ingredient, effectively can reduce the amount of application of each single dose, reduce production cost, play comprehensive regulating plant physiology and metabolism simultaneously, controlling disease, protects the effect of producing volume increase to greatest extent.
For solving the problems of the technologies described above, technical scheme provided by the invention is as follows:
A kind of composition pesticide, with prothioconazoles and plant growth regulator for active ingredient, wherein plant growth regulator is selected from one or more in gibberellic acid, compound sodium nitrophenolate, brassin lactones.When described plant growth regulator is gibberellic acid, the weight ratio of described prothioconazoles and gibberellic acid is 2332:1-13999:1, and preferred weight ratio is 2799:1-6363:1; When described plant growth regulator is compound sodium nitrophenolate, the weight ratio of described prothioconazoles and compound sodium nitrophenolate is 42:1-99:1, and preferred weight ratio is 59:1; When described plant growth regulator is brassin lactones, the weight ratio of described prothioconazoles and brassin lactones is 199:1-1999:1, and preferred weight ratio is 399:1-999:1, and more preferably weight ratio is 499:1-666:1.
Described composition pesticide can also contain one or more on agricultural chemicals in acceptable auxiliary agent, surfactant, solvent and carrier, to make the formulation being applicable to agriculturally using.Wherein said auxiliary agent and surfactant are one or more in dispersing agent NNO (sodium metnylene bis-naphthalene sulfonate), lauryl sodium sulfate, dispersing agent MF, sodium lignin sulfonate, agriculture breast 600#, fatty alcohol-polyoxyethylene ether, naphthalene sulfonic acid formaldehyde condensation polymer, ammonium sulfate, emulsifier 603#, calcium dodecyl benzene sulfonate (500#); Described solvent or cosolvent are isopropyl alcohol, dimethyl formamide, cyclohexanone, ethyl acetate, dimethylbenzene etc.; Described carrier is one or more in white carbon, kaolin, water, potter's clay.
The formulation of described composition pesticide is wetting powder, suspending agent, microemulsion, aqueous emulsion, water dispersible granules or seed coat agent.
The application of described composition pesticide in the pesticidal preparations for the preparation of the pesticidal preparations of coordinate plant growth and prevention and/or process plant pathogenic fungi.
The plant subject of described composition pesticide is cereal or rapeseed plant, especially has preventive and therapeutic effect to diseases such as paddy rice powdery mildew, wheat rust, sclerotinia rot of colza, wheat sharp eyespot or leafs spot of peanut.
The present composition is with prothioconazoles and plant growth regulator for active ingredient is carried out composite, and its advantage and good effect are:
1, described composition pesticide can the generation of more effective prevention and control disease: by selecting different conditioning agents for Different Crop, regulating plant physiology, makes prothioconazoles can better do mutually with host, thus play drug effect to greatest extent, strengthens the resistance of plant.
2, described composition pesticide can be protected to greatest extent and produce and volume increase: prothioconazoles and plant growth regulator are composite, and while control disease, regulating plant internal metabolism balances, thus Symptoms is alleviated, production loss reduction.
3, described composition pesticide has filled up the blank of pesticide market, and response national policy, meets the demand in market.Current domestic bactericide and the composite medicament kind of plant growth regulator little, along with the generation of various wheat class, cereal, soil-borne disease disease in recent years increases gradually, especially powdery mildew, banded sclerotial blight, fusarium wilt, leaf spot, rust, stalk break, many crop fields even face the danger of total crop failure, peasant is better in the urgent need to preventive effect, the medicament of reasonable price carrys out the generation of prevention and control disease, ensures the healthy growth of plant.
Embodiment
Below by embodiment, the invention will be further described.It should be understood that preparation method described in the embodiment of the present invention is only used for the present invention is described, instead of limitation of the present invention, under concept thereof of the present invention, all the scope of protection of present invention is belonged to the simple modifications of preparation method of the present invention.
The combination of active principles of different agricultural chemicals is made agricultural chemicals, is current development novel pesticide and the one of preventing and treating agriculturally resistance germ effectively and efficiently mode.After the pestsides synthesis of different cultivars, usually show three kinds of type of action: summation action, synergistic effect and antagonism.Compound synergic is well filled a prescription, and can significantly improve actual control efficiency, and reducing the usage amount of agricultural chemicals, thus contribute to delaying the drug-fast generation speed of germ, is the important means of integrated control disease.
Composition pesticide of the present invention with prothioconazoles and at least one plant growth regulator for active ingredient, composite between them can the generation of controlling plant diseases better, play the effect regulating crop metabolism and physiological equilibrium simultaneously, there is obvious synergistic function, and being not only the simple superposition of two kinds of pharmacy effects, this clearly can recognize from following test result.
Toxicity Determination embodiment 1:
In order to prevent and treat the sclerotinia rot of colza in agricultural production, inventor has carried out synergy research to prothioconazoles and the composite of gibberellic acid, and concrete grammar is:
Test adopts sclerotinia rot of colza to be tested object.
Former medicine is mixed with the test medicine of needs, test method is with reference to " People's Republic of China's agricultural industry criteria ".First single dose and each Mixed Pharmacy are arranged 5 variable concentrations gradients (on the basis of preliminary experiment result, different with proportioning according to different agents combination, concentration arranges also different, and bacteriostasis rate sets in the scope of 5% ~ 95%).If clear water contrasts, repeat 3 times.Adopt live body method, the Sclerotinia sclerotiorum prepared is inoculated in rape leaf central authorities, put in 25 DEG C of constant temperature and humidity incubators and cultivate 5-7d; Check scab length, calculate the percentage that each process suppresses lesions grow, by the linear regression analysis between the probit value of inhibiting rate and the logarithm value of series concentration, obtain the EC50 value of each medicament, calculate the co-toxicity coefficient (CTC) of mixture with co-toxicity coefficient table, evaluate the activity of reagent agent to germ with this.
(CTC)≤120 show as synergistic effect to the co-toxicity coefficient of complex preparation; CTC≤80 show as antagonism; 80 ﹤ CTC ﹤ 120 show as summation action.
Table 1: reagent agent measures the indoor harmacological effect of sclerotinia rot of colza
From data in table 1, prothioconazoles and gibberellic acid composite in above ratio, co-toxicity coefficient is all greater than 80, does not namely occur antagonism.And with 13999:1,9999:1,6363:1,3499:1,2799:1 and 2332:1 for ratio composite time co-toxicity coefficient be greater than 120, illustrating that active ingredient is composite in 2332:1-13999:1 proportion and have synergistic effect to sclerotinia rot of colza, is wherein that the composite co-toxicity coefficient of ratio is maximum with 2799:1.
Toxicity Determination embodiment 2:
In order to prevent and treat the wheat sharp eyespot in agricultural production, inventor has carried out synergy research to prothioconazoles and the composite of compound sodium nitrophenolate, and concrete grammar is:
Test adopts banded sclerotial blight to be tested object.
Former medicine is mixed with the test medicine of needs, test method is with reference to " People's Republic of China's agricultural industry criteria ".First single dose and each Mixed Pharmacy are arranged 5 variable concentrations gradients (on the basis of preliminary experiment result, different with proportioning according to different agents combination, concentration arranges also different, and bacteriostasis rate sets in the scope of 5% ~ 95%).If clear water contrasts, repeat 3 times.Adopt live body method, the sheath blight fungus prepared is inoculated in wheat leaf blade central authorities, put in 25 DEG C of constant temperature and humidity incubators and cultivate 5-7d; Check scab length, calculate the percentage that each process suppresses lesions grow, by the linear regression analysis between the probit value of inhibiting rate and the logarithm value of series concentration, obtain the EC of each medicament 50value, calculates the co-toxicity coefficient (CTC) of mixture, evaluates the activity of reagent agent to germ with this with co-toxicity coefficient table.
Table 2: reagent agent measures the indoor harmacological effect of wheat sharp eyespot
From data in table 2, prothioconazoles and compound sodium nitrophenolate composite in above ratio, co-toxicity coefficient is all greater than 80, does not namely occur antagonism.And with 99:1,59:1 and 42:1 for ratio composite time co-toxicity coefficient be all greater than 120, illustrating that active ingredient is composite in 42:1-99:1 proportion and have synergistic effect to wheat sharp eyespot, is wherein that the composite co-toxicity coefficient of ratio is maximum with 59:1.
Toxicity Determination embodiment 3:
In order to prevent and treat the paddy rice powdery mildew in agricultural production, inventor has carried out composite synergy with prothioconazoles and brassin lactones and has studied, and concrete grammar is:
Test adopts paddy rice powdery mildew to be tested object.
Former medicine is mixed with the test medicine of needs, test method is with reference to " People's Republic of China's agricultural industry criteria ".First single dose and each Mixed Pharmacy are arranged 5 variable concentrations gradients (on the basis of preliminary experiment result, different with proportioning according to different agents combination, concentration arranges also different, and bacteriostasis rate sets in the scope of 5% ~ 95%).If clear water contrasts, repeat 3 times.Adopt live body method, the Powdery Mildew prepared is inoculated in rice leaf central authorities, put in 25 DEG C of constant temperature and humidity incubators and cultivate 5-7d; Check scab length, calculate the percentage that each process suppresses lesions grow, by the linear regression analysis between the probit value of inhibiting rate and the logarithm value of series concentration, obtain the EC of each medicament 50value, calculates the co-toxicity coefficient (CTC) of mixture, evaluates the activity of reagent agent to germ with this with co-toxicity coefficient table.
Table 3: reagent agent measures the indoor harmacological effect of paddy rice powdery mildew
From data in table 3, prothioconazoles and brassin lactones composite in above ratio, co-toxicity coefficient is all greater than 120, illustrates that active ingredient is composite in 199:1-1999:1 proportion and has synergistic effect to paddy rice powdery mildew, is wherein that the composite co-toxicity coefficient of ratio is maximum with 499:1.
Composition pesticide of the present invention can be prepared into any one formulation of applicable agricultural use by known method, reasonable formulation is wetting powder, suspending agent, microemulsion, aqueous emulsion, water dispersible granules or seed coat agent.In all formulas, percentage is all weight percentage.The processing technology of the various formulation of the present composition is prior art, can change to some extent according to different situations.
Below in conjunction with embodiment, content of the present invention is described further.
Embodiment 1:70% prothioconazoles gibberellic acid suspending agent preparation method
Preparation: various composition is mixed, is less than 4 μm in grinding machine for grinding to active ingredient particle diameter.
Embodiment 2:65% prothioconazoles gibberellic acid microemulsion preparation method
Preparation: first with solvent, former medicine is dissolved completely, then add wetting dispersing agent and carry out being uniformly mixed and obtaining oil phase, then add water and be uniformly mixed and obtain homogeneous liquid.
Embodiment 3:56% prothioconazoles gibberellic acid method for producing aqueous emulsion
Preparation: first with solvent, former medicine is dissolved completely, add together with wetting dispersing agent, water in clipper and carry out shear-mixed, obtain emulsus homogeneous liquid.
Embodiment 4:47% prothioconazoles gibberellic acid seed coat agent preparation method
Preparation: various composition mix and adds a certain amount of filler and guard against colorant machining and form.
Embodiment 5:42% prothioconazoles gibberellic acid water dispersible granules preparation method
Preparation: first with solvent, former medicine is dissolved completely, then adds the auxiliary agent such as wetting agent, disintegrant and grind in water and obtain the particle that particle diameter is 150 ~ 200 μm, by drying, sieves and obtains product.
Embodiment 6:35% prothioconazoles gibberellic acid wetting powder preparation method
Preparation: various composition is mixed, namely obtains product through air-flow crushing by 325 mesh sieves.
Embodiment 7:64% prothioconazoles compound sodium nitrophenolate wetting powder preparation method
Various composition is mixed, namely obtains product through air-flow crushing by 325 mesh sieves.
Embodiment 8:58% prothioconazoles compound sodium nitrophenolate method for producing aqueous emulsion
Preparation: first with solvent, former medicine is dissolved completely, add together with wetting dispersing agent, water in clipper and carry out shear-mixed, obtain emulsus homogeneous liquid.
Embodiment 9:55% prothioconazoles compound sodium nitrophenolate suspending agent preparation method
Preparation: various composition is mixed, is less than 4 μm in grinding machine for grinding to active ingredient particle diameter.
Embodiment 10:50% prothioconazoles compound sodium nitrophenolate seed coat agent preparation method
Preparation: various composition mix and adds a certain amount of filler and guard against colorant machining and form.
Embodiment 11:43% prothioconazoles compound sodium nitrophenolate water dispersible granules preparation method
Preparation: first with solvent, former medicine is dissolved completely, then adds the auxiliary agent such as wetting agent, disintegrant and grind in water and obtain the particle that particle diameter is 150 ~ 200 μm, by drying, sieves and obtains product.
Embodiment 12:30% prothioconazoles compound sodium nitrophenolate suspending agent preparation method
Preparation: various composition is mixed, is ground to active ingredient particle diameter and is less than 4 μm in sand mill.Sodium lignin sulfonate, fatty alcohol-polyoxyethylene ether, agriculture breast 600# add the preparation contributing to formulation, the stability of formulation can be kept, contribute to store, transport, ensure drug effect.
Embodiment 13:25% prothioconazoles brassin lactones seed coat agent preparation method
Preparation: various composition mix and adds a certain amount of filler and guard against colorant machining and form.
Embodiment 14:22% prothioconazoles brassin lactones wetting powder preparation method
Preparation: various composition is mixed, namely obtains product through air-flow crushing by 325 mesh sieves.
Embodiment 15:20% prothioconazoles brassin lactones method for producing aqueous emulsion
Preparation: first with solvent, former medicine is dissolved completely, add together with wetting dispersing agent, water in clipper and carry out shear-mixed, obtain emulsus homogeneous liquid.
Embodiment 16:15% prothioconazoles brassinolide water dispersible granule preparation method
Preparation: first with solvent, former medicine is dissolved completely, then adds the auxiliary agent such as wetting agent, disintegrant and grind in water and obtain the particle that particle diameter is 150 ~ 200 μm, by drying, sieves and obtains product.
Embodiment 17:12% prothioconazoles brassin lactones suspending agent preparation method
Preparation: various composition is mixed, is ground to active ingredient particle diameter and is less than 4 μm in sand mill.Sodium lignin sulfonate, fatty alcohol-polyoxyethylene ether, agriculture breast 600# add the preparation contributing to formulation, the stability of formulation can be kept, contribute to store, transport, ensure drug effect.
Embodiment 18:10% prothioconazoles brassin lactones microemulsion preparation method
Preparation: first with solvent, former medicine is dissolved completely, then add wetting dispersing agent and carry out being uniformly mixed and obtaining oil phase, then add water and be uniformly mixed and obtain clear homogeneous liquid.
Inventor finds other triazole bactericidal agents and plant growth regulator is composite also certain synergistic effect.Therefore, in the proportion identical with embodiment, construct other triazole bactericidal agents and the composite comparative example of plant growth regulator.By contrast control efficiency; illustrate that the composition pesticide that the present invention protects has more excellent composite control efficiency (because length is limited, only listing most representational triazole bactericidal agent Tebuconazole, epoxiconazole, olefin conversion or triazolone composite with each plant growth regulators respectively in comparative example).
Comparative example 1:70% Tebuconazole gibberellic acid suspending agent
Tebuconazole 69.995 parts, gibberellic acid 0.005 part, propane diols 10 parts, sodium lignin sulfonate 6 parts, fatty alcohol-polyoxyethylene ether 1 part, silicone oil 1 part, water complementary.
Comparative example 2:65% Tebuconazole gibberellic acid microemulsion
Tebuconazole 64.9768 parts, gibberellic acid 0.0232 part, dodecyl sulphate calcium 3.5 parts, Nongru-700 #3 part, fatty alcohol-polyoxyethylene ether 2 parts, 1-METHYLPYRROLIDONE 15 parts, sulfuric ester 502 4 parts, water complementary.
Comparative example 3:56% Tebuconazole gibberellic acid aqueous emulsion
Tebuconazole 55.9912 parts, gibberellic acid 0.0088 part, lignosulfonates 3.5 parts, agriculture breast 600#3 part, glycol ether 2 parts, cyclohexanone 13 parts, propane diols 1.5 parts, water complementary.
Comparative example 4:47% epoxiconazole gibberellic acid seed coat agent
Epoxiconazole 46.9953 parts, gibberellic acid 0.0047 part, polyvinyl alcohol 1.5 parts, sodium carboxymethylcellulose 1.5 parts, agriculture breast 600#3 part, cyclohexanone 12 parts, 3 parts, silica gel, bentonite complementary.
Comparative example 5:42% epoxiconazole gibberellic acid water dispersible granules
Epoxiconazole 41.988 parts, gibberellic acid 0.012 part, cyclohexanone 13 parts, lignosulfonates 3.5 parts, lauryl sodium sulfate 3 parts, carboxymethyl cellulose 5 parts, glucose 3 parts, 5 parts, diatomite, kaolin complementary.
Comparative example 6:35% epoxiconazole gibberellic acid wetting powder
Epoxiconazole 34.985 parts, gibberellic acid 0.015 part, sodium lignin sulfonate 7 parts, diisobutyl sodium naphthalene sulfonate 6 parts, phenol polyglycol ether 3 parts, white carbon 7 parts, kaolin complementary.
Comparative example 7:64% olefin conversion compound sodium nitrophenolate water dispersible granules
Olefin conversion 63 parts, compound sodium nitrophenolate 1 part, neopelex 1 part, 1 part, lignin, dimethylbenzene 2 parts, white carbon complementary.
Comparative example 8:58% olefin conversion compound sodium nitrophenolate microemulsion
Olefin conversion 57.247 parts, compound sodium nitrophenolate 0.753 part, neopelex 1 part, 1 part, lignin, dimethylbenzene 2 parts, white carbon, surplus is ionized water.
Comparative example 9:55% olefin conversion compound sodium nitrophenolate wetting powder
Olefin conversion 54.360 parts, compound sodium nitrophenolate 0.640 part, dimethylbenzene 1 part, ethoxyquin alkyl ether 1 part, polyvinyl alcohol 1 part, isobutanol 1 part, kaolin complementary.
Comparative example 10:50% epoxiconazole compound sodium nitrophenolate microemulsion
Epoxiconazole 49.5 parts, compound sodium nitrophenolate 0.5 part, neopelex 1 part, dimethylbenzene 2 parts, ethoxyquin alkyl ether 1 part, surplus is ionized water.
Comparative example 11:43% epoxiconazole compound sodium nitrophenolate suspending agent
Epoxiconazole 42 parts, compound sodium nitrophenolate 1 part, neopelex 1 part, 1 part, lignin, dimethylbenzene 2 parts, white carbon, surplus is ionized water.
Comparative example 12:30% epoxiconazole compound sodium nitrophenolate aqueous emulsion
Epoxiconazole 29.5 parts, compound sodium nitrophenolate 0.5 part, dimethylbenzene 5 parts, ethoxyquin alkyl ether 2 parts, polyvinyl alcohol 1 part, 1 part, butanols, surplus is ionized water.
Comparative example 13:25% triazolone brassin lactones seed coat agent
Triazolone 24.95 parts, brassin lactones 0.05 part, polyvinyl alcohol 1.5 parts, sodium carboxymethylcellulose 1.5 parts, Emulsifier EL-60 3 parts, 1-METHYLPYRROLIDONE 12 parts, 3 parts, silica gel, bentonite complementary.
Comparative example 14:22% triazolone brassin lactones wetting powder
Triazolone 21.945 parts, brassin lactones 0.055 part, lauryl sodium sulfate 7 parts, dispersing agent MF 3 parts, wetting agent jfc 3 parts, white carbon 7 parts, kaolin complementary.
Comparative example 15:20% triazolone brassin lactones aqueous emulsion
Triazolone 19.97 parts, brassin lactones 0.03 part, dodecyl sulphate calcium 2.5 parts, agriculture breast 1601#3.3 part, agriculture breast BY125 4 parts, cyclohexanone 15 parts, glycerine 3 parts, gathers phenol polyethenoxy ether 3 parts the ninth of the ten Heavenly Stems, water complementary.
Comparative example 16:15% epoxiconazole brassinolide water dispersible granule
Epoxiconazole 14.955 parts, brassin lactones 0.045 part, cyclohexanone 13 parts, lignosulfonates 3.5 parts, agriculture breast 600#3 part, glycol ether 2 parts, 3 parts, silica gel, bentonite complementary.
Comparative example 17:12% epoxiconazole brassin lactones suspending agent
Epoxiconazole 11.998 parts, brassin lactones 0.002 part, sodium lignin sulfonate 8 parts, agriculture breast 600#3 part, fatty alcohol-polyoxyethylene ether 3 parts, water complementary.
Comparative example 18:10% epoxiconazole brassin lactones microemulsion
Epoxiconazole 9.995 parts, brassin lactones 0.005 part, dodecyl sulphate calcium 3.5 parts, agriculture breast 601#3 part, fatty alcohol-polyoxyethylene ether 2 parts, cyclohexanone 15 parts, sulfuric ester 502 4 parts, water complementary.
In order to measure prothioconazoles and plant growth regulator respectively alone and composite time control efficiency to wheat sharp eyespot, paddy rice powdery mildew and sclerotinia rot of colza, applicant at home different regions has carried out a large amount of field trials.
With the pesticidal preparations control wheat sharp eyespot test that above-described embodiment is obtained
Test is carried out with reference to People's Republic of China's standard (pesticide field efficacy medicine test criterion).
Test method: each plot area is 50m 2, repeat 4 times, the inspection drug effect method before dispenser after Investigation and Prevention is: the diagonal sampling of every community, often clicks 10 strains.With the classification of severity of whole blades of every strain, stem stalk, after maturation, random harvesting 30 strains, threshing is dried, and weighs, and calculates the rate of growth compared with CK.Result of the test sees the following form 4, table 5:
Table 4: reagent agent is to the field efficacy control efficiency of wheat sharp eyespot
Table 5: reagent agent is to the effect of increasing production of wheat
From table 4,5, to the control of wheat sharp eyespot with improve wheat yield, prothioconazoles and the composite composition synergistic effect of gibberellic acid remarkable, and be obviously better than prothioconazoles or gibberellin single dose is alone.
Carry out field control effectiveness test contrast time, inventor use other triazole bactericidal agent and gibberellic acid composite, test its control efficiency on wheat sharp eyespot and the impact on wheat increase yield.When ratio is identical with effective dose, find that prothioconazoles and the composite control efficiency of gibberellic acid are significantly better than other triazole bactericidal agents and the composite control efficiency of gibberellic acid.Because length is limited, in comparative example, only list most representational triazole bactericidal agent Tebuconazole, epoxiconazole carries out composite experiment with gibberellic acid respectively, to illustrate that prothioconazoles and the composite control efficiency of gibberellic acid and production-increasing function are significantly better than the composite of other triazole bactericidal agents and gibberellic acid.
The pesticidal preparations control paddy rice powdery mildew obtained by above-described embodiment and comparative example.
Test is carried out with reference to People's Republic of China's standard (pesticide field efficacy medicine test criterion).
Test method: each plot area is 50m 2, repeat 4 times, the inspection drug effect method before dispenser after Investigation and Prevention is: the diagonal sampling of every community, often clicks 10 strains.With the classification of severity of whole blades of every strain, stem stalk, after maturation, random harvesting 30 strains, threshing is dried, and weighs, and calculates the rate of growth compared with CK.Result of the test sees the following form 6, table 7:
Table 6: reagent agent is to the field efficacy control efficiency of paddy rice powdery mildew
Table 7: reagent agent is to the effect of increasing production of paddy rice
From table 6,7, to the control of paddy rice powdery mildew with improve rice yield, prothioconazoles and the composite composition synergistic effect of compound sodium nitrophenolate remarkable, and be obviously better than prothioconazoles or compound sodium nitrophenolate single dose is alone.
Carry out field control effectiveness test contrast time, inventor use other triazole bactericidal agent and compound sodium nitrophenolate composite, test its control efficiency on paddy rice powdery mildew and the impact on increasing production of rice.When ratio is identical with effective dose, find that prothioconazoles and the composite control efficiency of compound sodium nitrophenolate are significantly better than other triazole bactericidal agents and the composite control efficiency of compound sodium nitrophenolate.Because length is limited, in comparative example, only list most representational triazole bactericidal agent olefin conversion, epoxiconazole carries out composite experiment with compound sodium nitrophenolate respectively, to illustrate that prothioconazoles and the composite control efficiency of compound sodium nitrophenolate and production-increasing function are significantly better than the composite of other triazole bactericidal agents and compound sodium nitrophenolate.
The pesticidal preparations control sclerotinia rot of colza obtained by above-described embodiment and comparative example.
Test is carried out with reference to People's Republic of China's standard (pesticide field efficacy medicine test criterion).
Test method: each plot area is 50m 2, repeat 4 times, the inspection drug effect method before dispenser after Investigation and Prevention is: the diagonal sampling of every community, often clicks 10 strains.With the classification of severity of whole blades of every strain, stem stalk, calculate disease index and preventive effect.After maturation, random harvesting 30 strains, threshing is dried, and weighs, and calculates the rate of growth compared with CK.Result of the test sees the following form 8, table 9.
Table 8: reagent agent is to the field efficacy control efficiency of sclerotinia rot of colza
Table 9: reagent agent is to the effect of increasing production of rape seed
From table 8,9, to the control of sclerotinia rot of colza with improve rape seed output, prothioconazoles and the composite composition synergistic effect of brassin lactones remarkable, and be obviously better than prothioconazoles or brassin lactones single dose is alone.
When carrying out field control effectiveness test contrast, inventor uses other triazole bactericidal agent and brassin lactones composite, tests it to the control efficiency of sclerotinia rot of colza and the impact increased production rape seed.When ratio is identical with effective dose, find that prothioconazoles and the composite control efficiency of brassin lactones are significantly better than other triazole bactericidal agents and the composite control efficiency of brassin lactones.Because length is limited, in comparative example, only list the representational triazole bactericidal agent triazolone of most, epoxiconazole carries out combine experiment with brassin lactones respectively, to illustrate that prothioconazoles and the composite control efficiency of brassin lactones and production-increasing function are significantly better than the composite of other triazole bactericidal agents and brassin lactones.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (9)

1. a composition pesticide, it is characterized in that, with prothioconazoles and plant growth regulator for active ingredient, wherein plant growth regulator is selected from one or more in gibberellic acid, compound sodium nitrophenolate, brassin lactones, and prothioconazoles and plant growth regulator are present in described composition pesticide with the amount producing synergistic effect.
2. composition pesticide according to claim 1, is characterized in that, when described plant growth regulator is gibberellic acid, the weight ratio of prothioconazoles and gibberellic acid is 2332:1-13999:1.
3. composition pesticide according to claim 1, is characterized in that, when described plant growth regulator is compound sodium nitrophenolate, the weight ratio of prothioconazoles and compound sodium nitrophenolate is 42:1-99:1.
4. composition pesticide according to claim 1, is characterized in that, when described plant growth regulator is brassin lactones, the weight ratio of prothioconazoles and brassin lactones is 199:1-1999:1.
5. the composition pesticide according to claim arbitrary in claim 1-4, it is characterized in that, described composition pesticide also contains one or more on agricultural chemicals in acceptable auxiliary agent, surfactant, solvent and carrier, to make the formulation being applicable to agriculturally using.
6. composition pesticide according to claim 5, is characterized in that, the formulation of described composition pesticide is wetting powder, suspending agent, microemulsion, aqueous emulsion, water dispersible granules or seed coat agent.
7. the application of composition pesticide according to claim 1 in the pesticidal preparations for the preparation of coordinate plant growth and prevention and/or process plant pathogenic fungi.
8. the application of composition pesticide according to claim 7, is characterized in that, described plant is cereal or rapeseed plant.
9. the application of the composition pesticide according to claim 7 or 8, is characterized in that, the application of described composition pesticide in the pesticidal preparations for the preparation of control paddy rice powdery mildew, wheat rust, sclerotinia rot of colza, wheat sharp eyespot or leaf spot of peanut.
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