CN102696622B - Pesticide composition capable of preventing and controlling plant disease - Google Patents

Pesticide composition capable of preventing and controlling plant disease Download PDF

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CN102696622B
CN102696622B CN201210186890.0A CN201210186890A CN102696622B CN 102696622 B CN102696622 B CN 102696622B CN 201210186890 A CN201210186890 A CN 201210186890A CN 102696622 B CN102696622 B CN 102696622B
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amisulbrom
tebuconazole
diseases
disease
pesticide
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CN102696622A (en
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曹华
汪华
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Abstract

The invention provides a pesticide composition capable of preventing and controlling plant diseases and particularly relates to a pesticide active composition which consists of amisulbrom or crystals thereof and one or more of tebuconazole, fenbuconazole, metconazole, tetraconazole, triticonazole, bromuconazole, fluquinconazole and myclobutanil in a compounding way, wherein the mass ratio of amisulbrom to other active substances is 1:9 to 9:1 and the weight percentage of effective components is 1-90 percent. The pesticide composition can prevent and control virus diseases, downy mildew, gray mold, droop, anthracnose, epidemic diseases, blight, pythium rot, verticillium wilt, stalk break, powdery mildew, rust diseases and gibberellic diseases.

Description

A kind of composition pesticide of controlling plant diseases
Technical field
The present invention relates to compound pesticide composition field, particularly a kind of pesticide activity composition of synergy effective dose.
Background technology
In recent years, the large area outburst of Grain in China crop, economic crops and vegetable melon and fruit bacterium disease and lack effective antimicrobial agent and cause bacterium disease to be caused disaster and grain bacterium disease is just the world structure trend " China-Southeast Asia-East Asia " spreading, make agriculture fungus damage become neck bottle and the obstacle of impact current China agricultural and the normal orderly development of world agriculture, how fast, effectively obtain efficiently, the sick agricultural chemicals of antibacterial green cheaply, become the focal issue of current agricultural science common concern.The plant disease being caused by downy mildew, gray mold, fusarium wilt, anthracnose, epidemic disease, damping off, pythium rot, verticillium wilt, stalk break, powdery mildew, rust, head blight etc. breaks out in national large area, not only bring huge economic loss, also caused serious society's fear.
Bactericide has Tebuconazole, RH-7592, metconazole, tetraconazole, triticonazole, bromuconazole, nitrile bacterium azoles at present.Their feature is: protect, treat, root out three large functions; fungicidal spectrum is wide, the lasting period is long; as Tebuconazole is used for preventing and treating sclerotinia rot of colza; not only preventive effect is good; and having resistant to lodgingly, the feature such as production-increasing function is obvious, is the demethylation that suppresses ergosterol on its cell membrane to the mechanism of action of germ; make germ cannot form cell membrane, thus kill pathogens.
From the mode of action, Tebuconazole shows as bacteriostasis to germ, and plant is shown as to therapeutic action.From the mechanism of action, the dominant mechanism that is mainly the ergosterol inhibitor to disease fungus is to suppress the oxidation demethylating reaction, the particularly inhibition to demethylating reaction on 14 carbon atoms in 2,4-methylene-lanostenol structure of ergosterol intermediate.
Tebuconazole has good biologically active, and consumption is low, and interior absorption is stronger, applied widely, all can effectively prevent and treat multiple diseases.Tebuconazole can do seed treatment or foliar spray is used.Do the seed treatment used time, be processed into seed dressing, for its systemic action.Be adsorbed on the surface of the seed and inner pathogen so can effectively prevent and treat, be widely used in the dry crops such as wheat, corn, jowar, prevent and treat some and plant biography and soil-borne disease, especially for preventing and treating smut.Do the spraying used time, can be processed into missible oil, wetting powder, suspending agent, aqueous emulsion etc.After Tebuconazole is absorbed by plants, shift at plant tissue middle entry, can prevent and treat the multiple germ in various crops, be mainly used at present controlling the diseases such as Cereal and peanut disease, sigatoka, rape powdery mildew and tea gall.
RH-7592 is again azoles bacterium nitrile, cyanophenyl azoles, is triazole type systemic fungicide, can stop the germ spore having germinateed to be invaded and make fabric texture, suppresses the elongation of mycelia.Use latent period germ, can stop the growth of germ; After morbidity, use, can make spore distortion of future generation, lose infection ability, disease is had to prevention effect and therapeutic action.Imported product is 24% suspending agent, and trade name is deserved.
C-14 demethylation enzyme inhibitor in the metconazole mechanism of action and the biosynthesis of feature ergosterol.Although the mechanism of action is the same with other triazole bactericidal agents, activity profile difference is larger.Two kinds of isomer have bactericidal activity, but cis activity is higher than trans.The antifungal spectrum of metconazole is very extensive, and active splendid.Metconazole field is used and cereal septoria musiva, fusarium and handle rest fungus are planted to disease is had remarkable effect.Metconazole is compared with traditional biocide agent, and dosage is extremely low and prevent and treat cereal to plant disease scope very wide.The crops such as suitable crop and safety wheat, barley, oat, rye, triticale.Metconazole is to non-target organism low toxicity, and consumption is low and bactericidal activity is high, and environment prospect is good.Controlling object metconazole is a kind of new, wide spectrum systemic fungicide.Be mainly used in preventing and treating wheat septoria, fringe sickle-like bacteria, leaf rust, yellow rust, powdery mildew, glume blight; The short shape rust of barley, powdery mildew, Rhynchosporium spp.; Rye Rhynchosporium spp., leaf rust; Crown hull sugar, a triticale (wheat and rye hybridization) leaf rust, septoria musiva.To Septoria and rust superior activity.Have good protection and therapeutic action concurrently.Effective especially to the glume blight of wheat, prevention, result for the treatment of is all good.
Tetraconazole belongs to second generation triazole bactericidal agent, fluorine-containing in molecular structure, bactericidal activity than be the first generation 2-3 doubly, fungicidal spectrum is wide, efficient, the lasting period reaches 4-6 week, has protection and therapeutic action, and inhales conductive performance in having well.Suitable crop cereal crop is as wheat, barley, oat, rye etc., and fruit tree is as banana, grape, pears, apple etc., and vegetables are as melon, beet, ornamental plants etc.Can prevent and treat Erysiphe, Puccinia, Rhynchosporium spp., nuclear cavity Pseudomonas and the microbial disease of Septoria as wheat powdery mildew, loose smut of wheat, wheat rust, the bunt of wheat, wheat grain husk blessing disease, barley leaf blotch, loose smut of barley, barley banded sclerotial blight, maize head smut, head smut of sorghum, melon and fruit powdery mildew, sigatoka, alternaria leaf spot of apple, pear scab and grape powdery mildew etc.Both can cauline leaf processing, also can make seed treatment and use.
Triticonazole is C-14 demethylation enzyme inhibitor in sterol biosynthesis.Mainly be used as seed treatment, also can spray by cauline leaf, the lasting period reaches 4~6 weeks.Can be used for preventing and treating disease that sickle spore (mould) genus, Puccinia, wheat class nuclear cavity Pseudomonas, Ustilago, Tilletia, Erysiphe, circle nuclear cavity bacteria, Septoria, Ramularia etc. cause as powdery mildew, rust, apple scab, net blotch etc.
Bromuconazole is the chemicals for the pest of control harm agriculture forest and husbandry production (insect, evil mite, nematode, pathogen, weeds and muroid) and coordinate plant growth, colourless powder.
Nitrile bacterium azoles is the interior absorption triazole bactericidal agent of a class tool protection and therapeutic activity.The biosynthesis of the main ergosterol to pathogen plays inhibitory action, and sac fungi, basidiomycetes are all had to good control efficiency.This agent lasting period is long, to crop safety, has certain stimulating growth effect.His-and-hers watches angle sterol biosynthesis inhibitor simultaneously.It has strong interior absorption, drug effect is high, to crop safety, and long feature of lasting period.There is preventive and therapeutic action.
Bactericide amisulbrom is for tomato and grape crop, and fungal disease and (virus disease) that this bactericide is caused by oomycetes subclass for prevention and control, as potato, tomato late blight, downy mildew of garpe and (tobacco mosaic virus disease).
One of object of the present invention is find better effects if composite, by as composite in one or more in Tebuconazole, RH-7592, metconazole, tetraconazole, triticonazole, bromuconazole, nitrile bacterium azoles to the amisulbrom of novel structure and azoles fungicide, to determine optimum compound proportion example.
Another object of the present invention is to have prepared a kind of amisulbrom crystalline compounds of novelty, itself and azoles fungicide are carried out compositely as one or more in Tebuconazole, RH-7592, metconazole, tetraconazole, triticonazole, bromuconazole, nitrile bacterium azoles, develop new compound pesticide composition.
Amisulbrom is as new a kind of bactericide, and correlative study tentatively shows that it has the Mechanism of induced resistance of multiple uniqueness, can make flora unusual aggregation simultaneously, has certain in vitro passivation simultaneously.Test shows amisulbrom, particularly amisulbrom crystalline compounds of the present invention and azoles fungicide are composite has a good synergistic effect, infers because its unique mechanism can or have complementation to a certain degree with the mechanism differentiation of these several medicaments.
Summary of the invention
The object of the invention be to provide a kind of drug effect more by force, the antimicrobial composition that contains amisulbrom that more stable, cost is lower, be a kind of amisulbrom or its crystalline compounds, and one or more composite pesticide activity compositions in triazole bactericidal agent.
Described composition pesticide, comprise: amisulbrom, with one or more in Tebuconazole, RH-7592, metconazole, tetraconazole, triticonazole, bromuconazole, nitrile bacterium azoles, wherein, the composite mass ratio of amisulbrom and other active substance is 1: 9 to 9: 1, and active ingredient weight content is 1-90%;
Alternatively, described composition also contains one or more in acceptable auxiliary agent, cosolvent, carrier and filler on agricultural chemicals;
Preferably, the composite mass ratio of amisulbrom and Tebuconazole is 1: 9 to 3: 7, and active ingredient weight content is 1%-90%;
Preferably, described auxiliary agent is one or more in diffusant sodium metnylene bis-naphthalene sulfonate, lauryl sodium sulfate, dispersing agent MF, sodium lignin sulfonate, polyvinyl alcohol, agriculture breast 600#, fatty alcohol-polyoxyethylene ether, polyoxyethylene nonylphenol ether, alkylphenol polyoxyethylene phosphate, naphthalene sulfonic acid formaldehyde condensation polymer, ammonium sulfate, agriculture breast 603# and emulsifier 500#; Described cosolvent is one or more in isopropyl alcohol, dimethyl formamide, dimethylbenzene and ethyl acetate; Described carrier is one or more in white carbon, kaolin, precipitated calcium carbonate, potter's clay and water;
Alternatively, described composition is wetting powder, suspending agent, microemulsion, aqueous emulsion, water dispersible granules, dry suspension emulsion or seed coat agent;
Described composition pesticide is being prevented and treated virus disease as the purposes aspect tobacco mosaic virus, paddy rice bacterium disease, downy mildew, gray mold, fusarium wilt, anthracnose, epidemic disease, damping off, pythium rot, verticillium wilt, stalk break, powdery mildew, rust, head blight.
In addition, the invention provides a kind of amisulbrom crystal, described crystal belongs to monoclinic system, and its space group is P2 1,
Figure BSA00000730715600051
α=90.00 °, β=107.62 °, γ=90.00 °,
Figure BSA00000730715600052
preferably, described crystal is for above-mentioned composition pesticide.
Composition pesticide of the present invention, its advantage and good effect are:
1, the old and new's composite reagent, alliance between giants, drug effect is stronger.After amisulbrom or its crystal are composite with azoles fungicide respectively, there is certain synergistic effect, the single dose consumption reducing separately also can reach better effect, reduce the adverse effect that environment is produced, be applicable to prevent and treat the pathogen that downy mildew, gray mold, fusarium wilt, anthracnose, epidemic disease, damping off, pythium rot, verticillium wilt, stalk break, powdery mildew, rust, head blight institute with medicament has been produced to resistance.
2, wide, the strong adaptability of fungicidal spectrum.After amisulbrom or its crystal are composite with azoles fungicide respectively, not only tobacco mosaic is had to good preventive effect, the various bacterium diseases of paddy rice are also had to good control efficiency, other crop bacterium disease is also had to good preventive and therapeutic effect.These two kinds of built agents have good lasting effect, and sterilization is good and lasting, can be used on tobacco, also can be used on paddy rice, fruit and vegetables, use spectrum wide.
3, fill up the blank of pesticide market, responded national policy, met the demand in market.The medicament kind of current domestic control bacterium disease is little, and effect is also undesirable, along with the generation of various bacterium diseases in recent years increases gradually, the especially bacterium disease on paddy rice, many rice fields even face the danger of total crop failure, and peasant is better in the urgent need to preventive effect, the medicament of reasonable price carrys out prevention and control bacterium disease.
4, preventive effect is good, residual low, meets the trace standard of pesticide, is the desirable ecological agricultural chemical of modern crop-planting.Composition pesticide of the present invention is difficult for developing immunity to drugs, and efficacy stability, can meet peasant's demand.
Below by embodiment, the invention will be further described.It should be understood that described in the embodiment of the present invention that preparation method is only used for illustrating the present invention, rather than limitation of the present invention, under design prerequisite of the present invention, preparation method's of the present invention simple modifications is all belonged to the scope of protection of present invention.
Embodiment
Preparation Preparation Example:
Embodiment 1:
30% amisulbrom Tebuconazole wetting powder preparation
Various compositions are mixed, obtain product through air-flow crushing by 325 mesh sieves.
60% amisulbrom RH-7592 wetting powder preparation
Figure BSA00000730715600071
Various compositions are mixed, obtain product through air-flow crushing by 325 mesh sieves.
Embodiment 2:
60% amisulbrom tebuconazole suspension concentrates preparation
Figure BSA00000730715600072
Various compositions are mixed, in sand mill, be ground to active ingredient particle diameter and be less than 4 μ m.Sodium lignin sulfonate, JFC, agriculture breast 600# add the making that contributes to formulation, can keep the stability of formulation, contribute to storage, transportation, guarantee drug effect.
25% amisulbrom metconazole suspending agent preparation
Figure BSA00000730715600073
Various compositions are mixed, in sand mill, be ground to active ingredient particle diameter and be less than 4 μ m.Sodium lignin sulfonate, JFC, agriculture breast 600# add the making that contributes to formulation, can keep the stability of formulation, contribute to storage, transportation, guarantee drug effect.
Embodiment 3:
20% Tebuconazole amisulbrom microemulsion preparation
Figure BSA00000730715600082
By after amisulbrom and Tebuconazole dissolving completely, add emulsifier for mixing evenly to form oil phase, finally add water, stir and form transparent and homogeneous homogeneous liquid.
Embodiment 4:
60% Tebuconazole amisulbrom aqueous emulsion preparation
Figure BSA00000730715600083
Figure BSA00000730715600091
Various compositions are mixed, in shearing still, be trimmed to active ingredient particle diameter and be less than 3 μ m.The effect of emulsifier is in the time that it is dispersed in dispersate surperficial, forms film or electric double layer and can make disperse phase with electric charge, just can stop the droplet of disperse phase to condense mutually.Isopropyl alcohol, dimethylbenzene can effectively must merge missible oil and water, keep its stability.
Embodiment 5:
30% tetraconazole amisulbrom water dispersible granules preparation
Said mixture is evenly mixed, and air-flow crushing, adds suitable quantity of water and mediates, and the mixture pelleting of gained, is drying to obtain product.Adding of the auxiliary agents such as naphthalene sulfonic acid formaldehyde condensation polymer, lauryl sodium sulfate, ammonium sulfate, potter's clay, both made and provided safeguard for formulation, can make again product keep good dispersiveness, relatively good to the tack on target surface.
30% triticonazole amisulbrom water dispersible granules preparation
Figure BSA00000730715600101
Said mixture is evenly mixed, and air-flow crushing, adds suitable quantity of water and mediates, and the mixture pelleting of gained, is drying to obtain product.
Embodiment 6:
30% bromuconazole amisulbrom dry suspending agent preparation
Figure BSA00000730715600102
The suspending agent of making dry is made to powdery or microgranular solid by spraying, enter after water identically with suspending agent effect when use, but bin stability is better than again suspending agent.
30% Tebuconazole amisulbrom dry suspending agent preparation
Figure BSA00000730715600103
The suspending agent of making dry is made to powdery or microgranular solid by spraying, enter after water identically with suspending agent effect when use, but bin stability is better than again suspending agent.
Embodiment 7:
10% Tebuconazole amisulbrom seed coat agent preparation
Figure BSA00000730715600112
Said mixture is evenly mixed, and air-flow crushing, makes wetting powder, then adds drum-type seed-coating machine to carry out dressing and obtains product
Various excipient that the present invention adds, auxiliary agent, carrier etc. are market sale product, and pesticide producing is commonly used assistant agent.
Embodiment 8:
Prepare amisulbrom solid (or using commercially available prod) by method described in patent CN1646522A.
100g amisulbrom solid is put into mortar and carefully ground, then pack in platinum alloy crucible, its compression is added a cover with spoon, (Muffle furnace is placed in fume hood to put into Muffle furnace, fume hood exhaust mouth is by water tank exhaust), slowly be warming up to 300 ℃ and constant temperature pre-burning 3 hours, starting heating rate must be slow, prevents the variation that causes material because decomposing.Cooling rear taking-up crucible, now sample is more loose.Then take out sample and again grind evenly in control box, then be placed in crucible and compress and add a cover, in Muffle furnace at 450 ℃ sintering 10 hours, cooling rear taking-up, at this moment sample is formed one, sample is put into mortar and smash grinding to pieces and obtain product 83.5g.This product is carried out to crystallographic analysis, and gained crystal data is monoclinic system, and space group is P2 1,
Figure BSA00000730715600121
Figure BSA00000730715600122
α=90.00 °, β=107.62 °, γ=90.00 °,
Figure BSA00000730715600123
Figure BSA00000730715600124
biologically active embodiment
For clear and definite amisulbrom or its crystal, the control efficiency to tobacco mosaic, powdery mildew of cucumber when alone with Tebuconazole, RH-7592, metconazole, tetraconazole, triticonazole, bromuconazole, nitrile bacterium azoles and mixed.
Toxicity Determination:
Toxicity Determination embodiment 1:
Indoor pot tobacco susceptible variety plant is to the 4-5 leaf phase, mixes isopyknic bacterium juice frictional inoculation with the liquid of different proportioning variable concentrations, every processing 3 strains, and 3 leaves of often selecting good strains in the field for seed, repeat 4 times, and 3-4 days " Invest, Then Investigate " withered spot numbers calculate inhibiting rate, use EC 50value is pressed the abundant method of Sun Yun and is calculated co-toxicity coefficient, and measurement result is in table 1.
Virulence regression equation and the co-toxicity coefficient of table 1 reagent agent to tobacco bacterium disease
Figure BSA00000730715600125
Figure BSA00000730715600131
From data in table 1, when amisulbrom and Tebuconazole are composite with multiple ratio, the co-toxicity coefficient of tobacco floral leaf bacterium is all greater than to 120, illustrate that two composite reagents have synergistic effect to tobacco mosaic.Wherein amisulbrom: Tebuconazole active ingredient ratio is 1: 9 o'clock, and co-toxicity coefficient is the highest, is 153.63, illustrates that two composite reagents are used for preventing and treating tobacco mosaic and have synergistic effect, can apply in practice.
Toxicity Determination embodiment 2:(only changes amisulbrom and makes crystalline compounds of the present invention)
Indoor pot tobacco susceptible variety plant is to the 4-5 leaf phase, mixes isopyknic bacterium juice frictional inoculation with the liquid of different proportioning variable concentrations, every processing 3 strains, and 3 leaves of often selecting good strains in the field for seed, repeat 4 times, and 3-4 days " Invest, Then Investigate " withered spot numbers calculate inhibiting rate, use EC 50value is pressed the abundant method of Sun Yun and is calculated co-toxicity coefficient, and measurement result is in table 2.
Virulence regression equation and the co-toxicity coefficient of table 2 reagent agent to tobacco bacterium disease
Figure BSA00000730715600132
Figure BSA00000730715600141
From data in table 2, crystalline compounds amisulbrom of the present invention and Tebuconazole are all greater than 120 with 1: 9 composite co-toxicity coefficient to tobacco floral leaf bacterium of ratio, illustrate that two composite reagents have synergistic effect to tobacco mosaic.Wherein amisulbrom: Tebuconazole active ingredient ratio is 1: 9 o'clock, and co-toxicity coefficient is the highest, is 159.50, illustrates when carrying out with amisulbrom crystal when composite, composite significantly better than common amisulbrom.
Toxicity Determination embodiment 3:
1. bacterial classification Blumeria graminis W14 (affine with cucumber variety " No. 4, Central China ")
2. susceptible cucumber variety " No. 4, Central China "
Adopt Leaf method measure amisulbrom and Tebuconazole by the composition of extra fine quality ratio (9: 1-1: 9), amisulbrom single dose, the activity (EC50) of Tebuconazole single dose to powdery mildew of cucumber bacterium, according to the synergy rule calculating synergistic effect (SR represents with synergy multiple) of Finney.In the time of cucumber 3 leaf 1 heart, by the 1st, 2,3 leaves are cut, and put into ceramic whiteware dish after treatment, and every disk 5 leaves, are placed on dispenser under ulv spraying, every processing 3 leaves, and spray value is 5ml.After drying in the shade, in inoculation tower, inoculate fresh powdery mildew of cucumber bacterium conidium, inoculum concentration is 5-10/mm 2, under 25 ℃ of dark conditions, cultivate 24h, then illumination 144h, then investigate incidence, suppress active %=(contrast sorus number-processing sorus number)/contrast sorus number × 100.Result shows, is 9: 1-6: performance in 4 o'clock is added at the mass ratio of amisulbrom and Tebuconazole combination, DeGrain, and be 1 in the weight ratio of combination: 1-1: there is remarkable synergistic effect at 9 o'clock, the results are shown in table 3.
Virulence regression equation and the co-toxicity coefficient of table 3 reagent agent to powdery mildew of cucumber bacterium
Figure BSA00000730715600151
Note: *the ratio of composition is amisulbrom (A): Tebuconazole (B); *th and ob be representation theory and actual observed value respectively; EC 50 (th)=(A+B)/(A/EC 50 (A)+ B/EC 50 (B)); * *sR, represents synergy multiple=EC 50 (th)/ EC 50 (ob)
In Toxicity Determination embodiment 3, by identical operating procedure, except replacing amisulbrom with amisulbrom crystalline compounds of the present invention respectively, in the time that amisulbrom (crystalline compounds) and Tebuconazole are composite with 1: 9, effect is best, and its synergy multiple is respectively 3.31 and 4.98.
Drug effect test of field zone:
Embodiment 1: tobacco mosaic field efficacy
Process 1:30% amisulbrom Tebuconazole WP
Process 2:30% amisulbrom WP
Process 3:20% Tebuconazole WP
Process 4: blank
Test method: dispenser for the first time after tobacco transplant 15-20d, interval 7d dispenser again, altogether dispenser three times.
Investigation method: respectively at 7d, 14d, 21d investigation after three medicines, according to related data investigation standard grading, statistics disease index, calculates preventive effect, the results are shown in Table 4.
Table 4 reagent agent is prevented and treated the effect of tobacco mosaic
Figure BSA00000730715600161
As shown in Table 5,30% amisulbrom Tebuconazole WP effect is better than 30% amisulbrom WP and 20% Tebuconazole WP, i.e. the sick successful of the composite control of amisulbrom and Tebuconazole tobacco bacterium is better than these two compositions and uses separately.
Embodiment 2: powdery mildew of cucumber field efficacy
Process 1:30% amisulbrom Tebuconazole WP
Process 2:30% amisulbrom WP
Process 3:20% Tebuconazole WP
Process 4: blank
Test method: dispenser for the first time after cucumber transplanting 10~15d, interval 7d dispenser again, dispenser twice altogether, 90 square metres of each processing.
Investigation method: respectively at 7d, 14d, 21d investigation after twice medicine, adopt 5 samplings, 200 clumps of every community investigation, according to related data investigation standard grading, statistics disease index, calculates preventive effect, the results are shown in Table 5.
Table 5 different disposal is prevented and treated the effect of powdery mildew of cucumber
Figure BSA00000730715600171
Experimental result: as shown in Table 5,30% amisulbrom Tebuconazole WP, effect is better than 30% amisulbrom WP and 20% Tebuconazole WP, and the composite sick successful of powdery mildew of cucumber of preventing and treating of amisulbrom and Tebuconazole is better than these two compositions and uses separately.

Claims (4)

1. a composition pesticide, its active ingredient is amisulbrom and Tebuconazole, and wherein the composite mass ratio of amisulbrom and Tebuconazole is 1: 9, and active ingredient weight content is 1-90%.
2. composition pesticide according to claim 1, is characterized in that described composition is wetting powder, suspending agent, microemulsion, aqueous emulsion, water dispersible granules, dry suspension emulsion or seed coat agent.
3. the arbitrary described composition pesticide of claim 1-2 is in the purposes of preventing and treating aspect virus disease, downy mildew, gray mold, fusarium wilt, charcoal seasonal febrile diseases, epidemic disease, damping off, pythium rot, verticillium wilt, stalk break, powdery mildew, rust, head blight.
4. an amisulbrom crystal, this crystal belongs to monoclinic system, and its space group is P2 1, a=11.3881
Figure FSB0000122377230000011
β=107.62 °, γ=90.00 °,
Figure FSB0000122377230000012
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