CN101690483B - Bactericidal composition containing triazole class compounds - Google Patents
Bactericidal composition containing triazole class compounds Download PDFInfo
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- CN101690483B CN101690483B CN2009101397347A CN200910139734A CN101690483B CN 101690483 B CN101690483 B CN 101690483B CN 2009101397347 A CN2009101397347 A CN 2009101397347A CN 200910139734 A CN200910139734 A CN 200910139734A CN 101690483 B CN101690483 B CN 101690483B
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- acid amides
- rice blast
- blast acid
- bactericidal composition
- triazole class
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- 239000000203 mixture Substances 0.000 title claims abstract description 47
- 150000001875 compounds Chemical class 0.000 title claims abstract description 29
- 150000003852 triazoles Chemical class 0.000 title claims abstract description 25
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 20
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract description 138
- 235000009566 rice Nutrition 0.000 claims abstract description 138
- PXMNMQRDXWABCY-UHFFFAOYSA-N 1-(4-chlorophenyl)-4,4-dimethyl-3-(1H-1,2,4-triazol-1-ylmethyl)pentan-3-ol Chemical compound C1=NC=NN1CC(O)(C(C)(C)C)CCC1=CC=C(Cl)C=C1 PXMNMQRDXWABCY-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000005822 Propiconazole Substances 0.000 claims abstract description 37
- 239000005839 Tebuconazole Substances 0.000 claims abstract description 37
- STJLVHWMYQXCPB-UHFFFAOYSA-N propiconazole Chemical compound O1C(CCC)COC1(C=1C(=CC(Cl)=CC=1)Cl)CN1N=CN=C1 STJLVHWMYQXCPB-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000005760 Difenoconazole Substances 0.000 claims abstract description 31
- BQYJATMQXGBDHF-UHFFFAOYSA-N difenoconazole Chemical compound O1C(C)COC1(C=1C(=CC(OC=2C=CC(Cl)=CC=2)=CC=1)Cl)CN1N=CN=C1 BQYJATMQXGBDHF-UHFFFAOYSA-N 0.000 claims abstract description 31
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- OILXMJHPFNGGTO-UHFFFAOYSA-N (22E)-(24xi)-24-methylcholesta-5,22-dien-3beta-ol Natural products C1C=C2CC(O)CCC2(C)C2C1C1CCC(C(C)C=CC(C)C(C)C)C1(C)CC2 OILXMJHPFNGGTO-UHFFFAOYSA-N 0.000 description 1
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- OOCMUZJPDXYRFD-UHFFFAOYSA-L calcium;2-dodecylbenzenesulfonate Chemical compound [Ca+2].CCCCCCCCCCCCC1=CC=CC=C1S([O-])(=O)=O.CCCCCCCCCCCCC1=CC=CC=C1S([O-])(=O)=O OOCMUZJPDXYRFD-UHFFFAOYSA-L 0.000 description 1
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- UFHLMYOGRXOCSL-UHFFFAOYSA-N isoprothiolane Chemical compound CC(C)OC(=O)C(C(=O)OC(C)C)=C1SCCS1 UFHLMYOGRXOCSL-UHFFFAOYSA-N 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to a bactericidal composition comprising the effective components of fenoxanil (A) and one of triazole class compounds (B), wherein the triazole class compounds are selected from tebuconazole, difenoconazole, difenoconazole diniconazole, propiconazole, triazolone, triadimenol and the like, the mass proportion of the A to the B is 30:1-1:50, and the rest is auxiliary components which are permitted to be used and can be accepted in pesticide. The bactericidal composition can be prepared into any one medicament form which is suitable for agriculture to use by a known method, and the better medicament form is wettable powder, oil emulsion, suspension agent, moisture dispersive granules, water emulsion and micro-emulsion. After the fenoxanil and any one selected triazole class compound are compounded according to a certain proportion, the bactericidal composition has an obvious synergistic action and is mainly used for preventing and treating rice diseases.
Description
Technical field
The present invention relates to a kind of bactericidal composition, particularly a kind of combination sterilization composition that contains rice blast acid amides and triazole class compounds.
Background technology
Paddy rice is one of staple food crop of China, and annual production accounts for 1/2 of national total grain output, but the endangering of annual because rice disease, and the underproduction reaches 20%-40%.Rice blast, banded sclerotial blight generation area are big, and popular strong, harm is serious, is the important disease on the paddy rice.Along with the long-term use of conventional dose such as tricyclazole, Isoprothiolane, the pesticide resistance of rice blast fungus and sheath blight fungus is more and more serious, and control efficiency descends.Because the germ resistance strengthens, and causes frequent dispenser again and causes peasant burden to increase the weight of and increasing environmental pollution.Therefore, be badly in need of to seek the new type bactericide of efficient, safety, environmental protection.
Rice blast acid amides (Fenoxanil) is a kind of novel, acid amide fungicides efficiently, has good interior absorption and lasting effect, stops infecting of Pyricularia oryzae through suppressing germ from penetrating of appresorium, is the melanin biosynthesis inhibitor.The rice blast acid amides has good crop safety and outstanding Environmental compatibility, but its drug cost is high, uses not extensive.
Triazole class compounds is one type of efficient, wide spectrum, has the good conductive bactericide of interior suction, has protection, treatment and eradicant action.Its mechanism of action is that the biosynthesis that suppresses the germ ergosterol makes somatic cells film function receive destruction, thereby suppresses or disturb the formation of growth, mycelia and the spore of thalline appresorium and haustorium.This compounds comprises Tebuconazole, own azoles alcohol, Difenoconazole, alkene azoles alcohol, propiconazole, triazolone, Triadimenol etc., and sac fungi, basidiomycetes, imperfect fungus are all produced effect, and the disease of various crop is all had good control efficiency.But this series bactericidal agent is long-term to be used separately, and preventive effect descends, and faces the risk that develops immunity to drugs, and simultaneously, the growth to crop when exceeding using dosage of this series bactericidal agent all has certain inhibitory action.
Summary of the invention
The bactericidal composition that the purpose of this invention is to provide a kind of efficient, low toxicity is to satisfy the needs of agricultural production, and the active component that is comprised in the composition has synergistic effect mutually, can improve preventive effect and is of value to and delays the drug-fast generation of germ.
The objective of the invention is to realize through following measure:
A kind of bactericidal composition that contains triazole class compounds; Its active ingredient is rice blast acid amides and triazole class compounds; The mass ratio of rice blast acid amides and triazole class compounds is 30: 1～1: 50; Ratio is 5: 1～1: 20 preferably, and all the other are to allow in the agricultural chemicals to use and the acceptable auxiliary element.
Triazole class compounds described in the technical scheme of the present invention comprises Tebuconazole, own azoles alcohol, Difenoconazole, alkene azoles alcohol, propiconazole, triazolone, Triadimenol etc.
Bactericidal composition of the present invention can be prepared into known method and be fit to any one formulation that agricultural is used, and reasonable formulation is wetting powder, missible oil, suspending agent, water dispersible granules, aqueous emulsion or microemulsion.
The auxiliary agent that uses in the composition of the present invention comprises that solvent, dispersant, emulsifier, stabilizing agent, antifreezing agent, wetting agent etc. and other are of value to the known substance that active ingredient is stablized and drug effect is brought into play in preparation; All be the various compositions of using or allow use in the pesticidal preparations always; Do not have special qualification, concrete composition and consumption require to confirm through simple experiment according to prescription.
Product described in the invention can the finished product preparation form provide, and promptly each material mixes in the composition, and the composition of composition also can provide with single agent form, directly in bucket or jar, directly mixes before the use, is diluted to required concentration then.
Bactericidal composition of the present invention can be used for preventing and treating the multiple diseases on the crops such as paddy rice, wheat, vegetables, fruit tree, is particularly useful for preventing and treating rice blast, false smut and rice sheath blight disease.Composition of the present invention can be used by common method, and like cast, injection, spraying, dusting, scatter or be fuming, its amount of application is with weather condition or crop state variation.
Compared with prior art, beneficial effect of the present invention is: 1. being mixed has obvious role in synergism, has improved control efficiency; 2. composition is become to be grouped into by two kinds of mechanism of action different effective, helps overcoming and delays the drug-fast generation of germ; 3. medicament is mixed and has reduced dosage, thereby has reduced cost and alleviated the pollution to environment; 4. compare with independent use triazole bactericidal agent, the risk that produces poisoning reduces.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer, the present invention describes with following specific embodiment, but the present invention is limited to these examples absolutely not.The following stated is merely the present invention embodiment preferably, only in order to explain the present invention, can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that all any modifications of within spirit of the present invention and principle, being made, be equal to replacement and improvement etc., all should be included within protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with accompanying claims.
The combination of active principles of different agricultural chemicals is processed agricultural chemicals, be exploitation at present and development novel pesticide and control agricultural go up the resistance germ a kind of effectively with mode efficiently.The agricultural chemicals of different cultivars shows three kinds of type of action: summation action, synergistic effect and antagonism after mixing usually.But be specially which kind of effect, unpredictable, have only through a large amount of tests and just can know.Compound synergic is well filled a prescription, and can obviously improve actual control efficiency, and reduce the usage amount of agricultural chemicals, thereby help to delay the drug-fast generation speed of germ, be the important means of integrated control disease.
The inventor is through a large amount of screening tests; Find that rice blast acid amides and any one triazole class compounds combination antagonism Pyricularia oryzae, sheath blight fungus, rice false smut etc. all have synergistic function significantly, and be not only the simple addition (seeing biologicall test instance 1,2,3 for details) of two kinds of medicaments.
Biologicall test instance 1: the composite Toxicity Determination of rice blast acid amides and Tebuconazole to rice blast fungus
Subjects: the rice blast fungus that picks up from the field
Test method: with reference to " the agricultural industry criteria NY/T1154.7-2006 of the People's Republic of China (PRC) ", pot-culture method.Choose the consistent paddy rice seedling in tri-leaf period of growth potential, every basin 2 young plants, each processing selects for use 5 basins to supply the examination rice seedling.Pyricularia oryzae is cultivated on tomato juice oat agar medium, washed spore with sterile water behind the product spore, process 1 * 10
5The suspension of individual spore/mL, spray inoculation is in supplying on the examination rice seedling equably, puts black plastic sack after the inoculation and preserves moisture and cultivate 24h.Behind the inoculation 24h, carry out chemicals treatment, each medicament is provided with 5 concentration gradients, under 50PSI pressure, sprays the about 5mL of every basin with the Potter spray tower.Behind the spray medicine, rice seedling is placed about 25 ℃, cultivates under the condition of relative moisture >=90%, according to the disease index of the whole strain blade of morbidity grade scale investigation of rice blast, and calculate control efficiency behind the 7d.
Control efficiency is converted into probability value (y), and liquor strength (μ g/ml) converts logarithm value (x) to, concentration EC in calculating the virulence equation and suppress with method of least squares
50, according to the toxicity index and the co-toxicity coefficient (CTC) of the abundant method calculating of Sun Yun medicament.Toxicity test result sees table 1.
When CTC≤80, then the composition performance is for antagonism, and when 80＜CTC＜120, then the composition performance is for summation action, and when CTC>=120, then the composition performance is synergistic effect.
Actual measurement toxicity index (ATI)=(standard medicament EC
50/ confession reagent agent EC
50) * 100
The percentage composition of B in percentage composition+B medicament toxicity index * mixture of A in theoretical toxicity index (TTI)=A medicament toxicity index * mixture
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (the ATI)/theoretical toxicity index (TTI) of mixture] * 100
The composite Toxicity Determination result of table 1 rice blast acid amides and Tebuconazole to rice blast fungus
| Handle | EC 50(μg/mL) | ATI | TTI | Co-toxicity coefficient CTC |
| The rice blast acid amides | 0.79 | 100.0 | ||
| Tebuconazole | 0.27 | 292.6 | ||
| Rice blast acid amides 30: Tebuconazole 1 | 0.59 | 133.9 | 106.2 | ?126.1 |
| Rice blast acid amides 15: Tebuconazole 1 | 0.48 | 164.6 | 112.0 | ?146.9 |
| Rice blast acid amides 5: Tebuconazole 1 | 0.37 | 213.5 | 132.1 | ?161.6 |
| Rice blast acid amides 1: Tebuconazole 1 | 0.22 | 359.1 | 196.3 | ?182.9 |
| Rice blast acid amides 1: Tebuconazole 6 | 0.14 | 564.3 | 265.1 | ?212.9 |
| Rice blast acid amides 1: Tebuconazole 10 | 0.15 | 526.7 | 275.1 | ?191.5 |
| Rice blast acid amides 1: Tebuconazole 20 | 0.17 | 464.7 | 283.4 | ?164.0 |
| Rice blast acid amides 1: Tebuconazole 30 | 0.20 | 395.0 | 286.4 | ?137.9 |
| Rice blast acid amides 1: Tebuconazole 50 | 0.22 | 359.1 | 288.8 | 124.3 |
The result of table 1 shows, the proportioning of rice blast acid amides and Tebuconazole has obvious synergistic effect to rice blast between 30: 1～1: 50 the time, and in the time of especially between 5: 1～1: 20, synergistic effect is more obvious, and co-toxicity coefficient is more than 160.
Biologicall test instance 2: rice blast acid amides and the composite Toxicity Determination of own azoles alcohol to Rhizoctonia solani Kuhn
Subjects: the Rhizoctonia solani Kuhn that picks up from the field
Test method: with reference to " the agricultural industry criteria NY/T1154.7-2006 of the People's Republic of China (PRC) ", broad bean excised leaf method.Rhizoctonia solani Kuhn is used the PDA medium culture, when treating that bacterium colony has just covered with culture dish, use internal diameter to punch from the edge as the card punch of 5mm, the mycelia piece that breaks into is as inoculum.Choose the consistent broad bean blade in leaf position, 10 of every processing are immersed in 10min in the soup for preparing, and taking-up is dried, and puts into the culture dish that is covered with the paper of preserving moisture.Each medicament is provided with 5 concentration gradients.At last the mycelia piece is inverted and is connected to blade central authorities, and in 28 ℃ of constant incubators, cultivate.After waiting to contrast abundant morbidity, measure the scab diameter, calculate control efficiency with the right-angled intersection method.
Control efficiency is converted into probability value (y), and liquor strength (μ g/ml) converts logarithm value (x) to, concentration EC in calculating the virulence equation and suppress with method of least squares
50, according to the toxicity index and the co-toxicity coefficient (CTC) of the abundant method calculating of Sun Yun medicament.Toxicity test result sees table 2.
Table 2 rice blast acid amides and the composite Toxicity Determination result of own azoles alcohol to Rhizoctonia solani Kuhn
| Handle | EC 50(μg/mL) | ATI | TTI | Co-toxicity coefficient CTC |
| The rice blast acid amides | 12.56 | 100.0 | ||
| Own azoles alcohol | 2.55 | 492.5 | ||
| Rice blast acid amides 30: own azoles alcohol 1 | 9.21 | 136.4 | 112.7 | ?121.0 |
| Rice blast acid amides 15: own azoles alcohol 1 | 7.32 | 171.6 | 124.5 | ?137.8 |
| Rice blast acid amides 5: own azoles alcohol 1 | 5.01 | 250.7 | 165.4 | ?151.5 |
| Rice blast acid amides 1: own azoles alcohol 1 | 2.21 | 568.3 | 296.3 | ?191.8 |
| Rice blast acid amides 1: own azoles alcohol 6 | 1.55 | 810.3 | 436.5 | ?185.7 |
| Rice blast acid amides 1: own azoles alcohol 10 | 1.62 | 775.3 | 456.9 | ?169.7 |
| Rice blast acid amides 1: own azoles alcohol 20 | 1.65 | 761.2 | 473.9 | 160.6 |
| Rice blast acid amides 1: own azoles alcohol 30 | 1.78 | 705.6 | 479.9 | 147.0 |
| Rice blast acid amides 1: own azoles alcohol 50 | 1.98 | 634.3 | 484.9 | 130.8 |
The result of table 2 shows, the proportioning of rice blast acid amides and own azoles alcohol has obvious synergistic effect to rice sheath blight disease between 30: 1～1: 50 the time, and in the time of especially between 5: 1～1: 20, co-toxicity coefficient is more than 150.
Own azoles alcohol in the top instance replaces with Difenoconazole, and Rhizoctonia solani Kuhn is carried out biologicall test test, and the result shows, is between 30: 1～1: 50 the time in proportioning, and co-toxicity coefficient all more than 120, has synergistic effect, sees table 3 for details.
The composite Toxicity Determination result of table 3 rice blast acid amides and Difenoconazole to Rhizoctonia solani Kuhn
| Handle | EC 50(μg/mL) | ATI | TTI | Co-toxicity coefficient CTC |
| The rice blast acid amides | 12.56 | 100.0 | ||
| Difenoconazole | 3.01 | 417.3 | ||
| Rice blast acid amides 30: Difenoconazole 1 | 9.21 | 136.4 | 110.2 | ?123.7 |
| Rice blast acid amides 15: Difenoconazole 1 | 7.32 | 171.6 | 119.8 | ?143.2 |
| Rice blast acid amides 5: Difenoconazole 1 | 4.97 | 252.7 | 152.9 | ?165.3 |
| Rice blast acid amides 1: Difenoconazole 1 | 2.21 | 568.3 | 258.6 | ?219.7 |
| Rice blast acid amides 1: Difenoconazole 6 | 1.61 | 780.1 | 372.0 | ?209.7 |
| Rice blast acid amides 1: Difenoconazole 10 | 1.79 | 701.7 | 388.4 | ?180.6 |
| Rice blast acid amides 1: Difenoconazole 20 | 1.88 | 668.1 | 402.2 | ?166.1 |
| Rice blast acid amides 1: Difenoconazole 30 | 2.04 | 615.7 | 407.0 | ?151.3 |
| Rice blast acid amides 1: Difenoconazole 50 | 2.38 | 527.7 | 411.1 | ?128.4 |
Biologicall test instance 3: rice blast acid amides and propiconazole compound are to the Toxicity Determination of rice green smut bacterium
Subjects: the rice green smut bacterium of picking up from the field
Test method: with reference to " the agricultural industry criteria NY/T1154.7-2006 of the People's Republic of China (PRC) ", the mycelial growth rate method.Rice false smut is used the PDA medium culture, when treating that bacterium colony has just covered with culture dish, use internal diameter to punch from the edge as the card punch of 7mm, the mycelia piece that breaks into is as inoculum.Get the soup 5mL for preparing and quantitative 75mL sterilising medium respectively and mix, process 4 pastille flat boards, be mixed into contrast with equivalent sterile water and medium.The fast inversion of mycelia is connected to dull and stereotyped central authorities, and in 28 ℃ of incubators, cultivates.Behind the 7d, measure colony diameter, calculate and respectively handle the clean amount of growth of mycelia, mycelial growth inhibition rate with the right-angled intersection method.
Clean amount of growth (mm)=measurement colony diameter-7
Mycelial growth rate (%)=[(the clean amount of growth of the clean amount of growth-processed group of control group)/clean amount of growth of control group] * 100
The mycelial growth rate conversion is become probability value (y), and liquor strength (μ g/ml) converts logarithm value (x) to, concentration EC in calculating the virulence equation and suppress with method of least squares
50, according to the toxicity index and the co-toxicity coefficient (CTC) of the abundant method calculating of Sun Yun medicament.Toxicity test result sees table 4.
Table 4 rice blast acid amides and propiconazole compound are to the Toxicity Determination result of rice false smut
| Handle | EC 50(μg/mL) | ATI | TTI | Co-toxicity coefficient CTC |
| The rice blast acid amides | 8.743 | 100.0 | ||
| Propiconazole | 0.097 | 9013.4 | ||
| Rice blast acid amides 30: propiconazole 1 | 1.799 | 486.0 | 387.5 | ?125.4 |
| Rice blast acid amides 15: propiconazole 1 | 0.975 | 896.7 | 657.1 | ?136.5 |
| Rice blast acid amides 5: propiconazole 1 | 0.341 | 2563.9 | 1585.6 | ?161.7 |
| Rice blast acid amides 1: propiconazole 1 | 0.102 | 8571.6 | 4556.7 | ?188.1 |
| Rice blast acid amides 1: propiconazole 6 | 0.055 | 15896.4 | 7740.1 | ?205.4 |
| Rice blast acid amides 1: propiconazole 10 | 0.055 | 15896.4 | 8203.1 | ?193.8 |
| Rice blast acid amides 1: propiconazole 20 | 0.061 | 14332.8 | 8589.0 | ?166.9 |
| Rice blast acid amides 1: propiconazole 30 | 0.069 | 12671.0 | 8725.9 | ?145.2 |
| Rice blast acid amides 1: propiconazole 50 | 0.076 | 11503.9 | 8838.6 | ?130.2 |
The result of table 3 shows, the proportioning of rice blast acid amides and propiconazole has obvious synergistic effect to false smut between 30: 1～1: 50 the time, and in the time of especially between 5: 1～1: 20, synergistic effect is more obvious, and co-toxicity coefficient is more than 160.
Fungicidal composition of the present invention can be prepared into known method and be fit to any one formulation that agricultural is used, and reasonable formulation is wetting powder, missible oil, suspending agent, water dispersible granules, aqueous emulsion and microemulsion.Percentage all is weight percentage in all prescriptions.The processing technology of the various preparations of the present composition is prior art, can change to some extent according to different situations.
Embodiment 1:31 % rice blast acid amides tebuconazole suspension concentrates
Rice blast acid amides 30%
Tebuconazole 1%
Methyl naphthalene sulfonate formaldehyde condensate (wetting agent) 10%
Xanthans (thickener) 2%
Bentonite (thickener) 1%
The newborn 600# phosphate of farming (dispersant) 3%
Glycerine (antifreeze) 5%
Water complements to 100%.
Each component such as active component, dispersant, wetting agent and water is even by the mixed of prescription, after grinding and/or high speed shear, obtain 31% rice blast acid amides tebuconazole suspension concentrates.
Tebuconazole in the present embodiment is replaceable to be triazole class compounds such as own azoles alcohol, Difenoconazole, alkene azoles alcohol, propiconazole, triazolone, Triadimenol, forms new embodiment.
This embodiment is applied to prevent and treat rice blast.31% rice blast acid amides tebuconazole suspension concentrates is pressed 200g a.i./ha thin up spraying, and the control efficiency of 7 days and 14 days is 92.8% and 89.7% behind the medicine.200g a.i./ha pressed by 20% rice blast acid amides suspending agent and 6% tebuconazole microemulsion is pressed 80g a.i./ha, the thin up spraying, and 7 days, 14 days control efficiency is respectively 74.5%, 87.2% and 85.5%, 81.4% behind the medicine.The synergistic effect of the composite back of rice blast acid amides and Tebuconazole is obvious, and the control efficiency of rice blast obviously is better than single agent; Because pharmacy effect improves, and obviously reduces when the amount ratio of active ingredient uses separately in the compound drug, thereby has also alleviated the pollution to environment.
The own azoles alcohol of embodiment 2:22% rice blast acid amides wetting powder
Rice blast acid amides 20%
Own azoles alcohol 2%
Lauryl sodium sulfate (wetting agent) 2%
Sodium lignin sulfonate (dispersant) 5%
White carbon black (filler) 10%
Kaolin (filler) complements to 100%
Active component, various auxiliary agent and filler etc. are fully mixed in the ratio of prescription, after ultrafine crusher is pulverized, promptly get the own azoles alcohol of 22% rice blast acid amides wetting powder.
Own azoles alcohol in the present embodiment is replaceable to be triazole class compounds such as Tebuconazole, Difenoconazole, alkene azoles alcohol, propiconazole, triazolone, Triadimenol, forms new embodiment.
This embodiment is applied to prevent and treat rice sheath blight disease.The own azoles of 22% rice blast acid amides alcohol wetting powder press the 300ga.i./ha thin up and is sprayed, and the control efficiency of 7 days and 14 days is 93.2% and 90.5% behind the medicine.300g a.i./ha pressed by 20% rice blast acid amides suspending agent and 10% hexaconazole suspending agent is pressed 60g a.i./ha, the thin up spraying, and 7 days control efficiency is respectively 64.8%, 89.7% and 86.3%, 80.2% behind the medicine.The composite back synergistic effect of rice blast acid amides and own azoles alcohol is obvious, the control efficiency of rice sheath blight disease obviously is better than single agent, and the consumption of active ingredient reduces obviously.
Embodiment 3:18% rice blast acid amides Difenoconazole missible oil
Rice blast acid amides 15%
Difenoconazole 3%
N-Methyl pyrrolidone (cosolvent) 10%
The newborn 1601# of farming (emulsifier) 5%
The newborn 500# of farming (emulsifier) 5%
Xylol (solvent) complements to 100%.
Active component, emulsifier and the auxiliary agent ratio in prescription is added in the mixing kettle successively, stir, make 18% rice blast acid amides Difenoconazole missible oil.
Difenoconazole in the present embodiment is replaceable to be triazole class compounds such as Tebuconazole, own azoles alcohol, alkene azoles alcohol, propiconazole, triazolone, Triadimenol, forms new embodiment.
This embodiment is applied to prevent and treat rice sheath blight disease.18% rice blast acid amides Difenoconazole missible oil is pressed 300ga.i./ha thin up spraying, and the control efficiency of 7 days and 14 days is 95.0% and 90.2% behind the medicine.300g a.i./ha pressed by 20% rice blast acid amides suspending agent and 25% Difenoconazole missible oil is pressed 100g a.i./ha, the thin up spraying, and 7 days, 14 days control efficiency is respectively 73.5%, 86.4% and 85.5%, 73.7% behind the medicine.The synergistic effect of the composite back of rice blast acid amides and Difenoconazole is obvious, and the control efficiency of rice sheath blight disease obviously is better than single agent; Because pharmacy effect improves, and obviously reduces when the amount ratio of active ingredient uses separately in the compound drug, thereby has also alleviated the pollution to environment.
Embodiment 4:10% rice blast acid amides tebuconazole aqueous emulsion
Rice blast acid amides 5%
Tebuconazole 5%
N-Methyl pyrrolidone (solvent) 10%
Calcium dodecyl benzene sulfonate (dispersant) 5%
The newborn 600# of farming (emulsifier) 5%
Water complements to 100%
Former medicine, solvent, emulsifier are added together, make and be dissolved into even oil phase; With water-soluble component and the mixed water that gets of water; Under high-speed stirred, oil phase is mixed with water, make 10% rice blast acid amides tebuconazole aqueous emulsion.
Tebuconazole in the present embodiment is replaceable to be triazole class compounds such as own azoles alcohol, Difenoconazole, alkene azoles alcohol, propiconazole, triazolone, Triadimenol, forms new embodiment.
This embodiment is applied to prevent and treat false smut.10% rice blast acid amides tebuconazole aqueous emulsion is pressed 300g a.i./ha thin up spraying, and the control efficiency of 7 days and 14 days is 94.7% and 90.4% behind the medicine.300g a.i./ha pressed by 20% rice blast acid amides suspending agent and a.1./ha 6% tebuconazole microemulsion presses 80g, the thin up spraying, and 7 days, 14 days control efficiency is respectively 74.5%, 87.2% and 85.5%, 80.4% behind the medicine.The synergistic effect of the composite back of rice blast acid amides and Tebuconazole is obvious, the control efficiency of false smut obviously is better than single agent, and the consumption of active ingredient reduces obviously.
Embodiment 5:28% rice blast acid amides alkene azoles alcohol microemulsion
Rice blast acid amides 4%
Alkene azoles alcohol 24%
N-Methyl pyrrolidone (solvent) 10%
Isopropyl alcohol (solvent) 15%
The newborn 600# of farming (emulsifier) 5%
The newborn 1601# of farming (emulsifier) 5%
Lauryl sodium sulfate (emulsifier) 3%
Water complements to 100%
Former medicine, solvent, emulsifier are added together, make and be dissolved into even oil phase; With water-soluble component and the mixed water that gets of water; Under high-speed stirred, oil phase is mixed with water, make 28% rice blast acid amides alkene azoles alcohol microemulsion.
Alkene azoles alcohol in the present embodiment is replaceable to be triazole class compounds such as Tebuconazole, own azoles alcohol, Difenoconazole, propiconazole, triazolone, Triadimenol, forms new embodiment.
This embodiment is applied to prevent and treat rice sheath blight disease.28% rice blast acid amides alkene azoles alcohol microemulsion press 300g a.i./ha thin up and is sprayed, and the control efficiency of 7 days and 14 days is 95.9% and 91.7% behind the medicine.300g a.i./ha pressed by 20% rice blast acid amides suspending agent and 12.5% alkene azoles alcohol wetting powder is pressed 80g a.i./ha, the thin up spraying, and 7 days, 14 days control efficiency is respectively 74.5%, 89.2% and 85.5%, 79.6% behind the medicine.The composite back synergistic effect of rice blast acid amides and alkene azoles alcohol is obvious, and the control efficiency of rice sheath blight disease obviously is better than single agent; Because pharmacy effect improves, and obviously reduces when the amount ratio of active ingredient uses separately in the compound drug, thereby has also alleviated the pollution to environment.
Embodiment 6:42% rice blast acid amides diniconazole water dispersible granule
Rice blast acid amides 2%
Own azoles alcohol 40%
Negel (wetting agent) 5%
Sodium lignin sulfonate (dispersant) 7%
Lauryl sodium sulfate (dispersant) 2%
Ammonium sulfate (disintegrant) 5%
Precipitated calcium carbonate (filler) complements to 100%.
Active component, dispersant, wetting agent, disintegrant and filler is even by the mixed of prescription; Become wetting powder through comminution by gas stream; Add a certain amount of water extrusion again and make material, after dry screened, obtain the own azoles alcohol of 42% rice blast acid amides water-dispersible granules.
Own azoles alcohol in the present embodiment is replaceable to be triazole class compounds such as Tebuconazole, alkene azoles alcohol, Difenoconazole, propiconazole, triazolone, Triadimenol, forms new embodiment.
This embodiment is applied to prevent and treat false smut.The own azoles of 42% rice blast acid amides alcohol water-dispersible granules press the 300ga.i./ha thin up and is sprayed, and the control efficiency of 7 days and 14 days is 92.7% and 89.1% behind the medicine.300g a.i./ha pressed by 20% rice blast acid amides suspending agent and 10% hexaconazole suspending agent is pressed 60g a.i./ha, the thin up spraying, and 7 days control efficiency is respectively 64.8%, 88.7% and 86.3%, 79.2% behind the medicine.The composite back synergistic effect of rice blast acid amides and own azoles alcohol is obvious, the control efficiency of false smut obviously is better than single agent, and the consumption of active ingredient reduces obviously.
Embodiment 7:62% rice blast acid amides propiconazole suspending agent
Rice blast acid amides 2%
Propiconazole 60%
Methyl naphthalene sulfonate formaldehyde condensate (wetting agent) 10%
Xanthans (thickener) 2%
Bentonite (thickener) 1%
The newborn 600# phosphate of farming (dispersant) 3%
Glycerine (antifreeze) 5%
Water complements to 100%.
Each component such as active component, dispersant, wetting agent and water is even by the mixed of prescription, after grinding and/or high speed shear, obtain 62% rice blast acid amides propiconazole suspending agent.
Propiconazole in the present embodiment is replaceable to be triazole class compounds such as Tebuconazole, own azoles alcohol, alkene azoles alcohol, Difenoconazole, triazolone, Triadimenol, forms new embodiment.
This embodiment is applied to prevent and treat rice blast.62% rice blast acid amides propiconazole suspending agent is pressed 200g a.i./ha thin up spraying, and the control efficiency of 7 days and 14 days is 92.7% and 88.7% behind the medicine.200g a.i./ha pressed by 20% rice blast acid amides suspending agent and 25% propiconazole emulsifiable concentrate is pressed 100g a.i./ha, the thin up spraying, and 7 days control efficiency is respectively 64.8%, 88.7% and 86.3%, 77.2% behind the medicine.Synergistic effect is obvious behind rice blast acid amides and the propiconazole compound, the control efficiency of rice blast obviously is better than single agent, and the consumption of active ingredient reduces obviously.
Embodiment 8:51% rice blast acid amides propiconazole wetting powder
Rice blast acid amides 1%
Propiconazole 50%
Lauryl sodium sulfate (wetting agent) 2%
Sodium lignin sulfonate (dispersant) 5%
White carbon black (filler) 10%
Kaolin (filler) complements to 100%.
Active component, various auxiliary agent and filler etc. are fully mixed in the ratio of prescription, after ultrafine crusher is pulverized, promptly get 51% rice blast acid amides propiconazole wetting powder.
Propiconazole in the present embodiment is replaceable to be triazole class compounds such as Tebuconazole, own azoles alcohol, Difenoconazole, alkene azoles alcohol, triazolone, Triadimenol, forms new embodiment.
This embodiment is applied to prevent and treat false smut.51% rice blast acid amides propiconazole wetting powder is pressed 300g a.i./ha thin up spraying, and the control efficiency of 7 days and 14 days is 91.5% and 88.1% behind the medicine.300g a.i./ha pressed by 20% rice blast acid amides suspending agent and 25% propiconazole emulsifiable concentrate is pressed 100g a.i./ha, the thin up spraying, and 7 days, 14 days control efficiency is respectively 74.5%, 86.2% and 85.5%, 76.9% behind the medicine.Synergistic effect is obvious behind rice blast acid amides and the propiconazole compound, the control efficiency of false smut obviously is better than single agent, and the consumption of active ingredient reduces obviously.
Claims (6)
1. bactericidal composition; It is characterized in that active ingredient is rice blast acid amides and triazole class compounds; Wherein said triazole class compounds is a kind of in Tebuconazole, Difenoconazole or the propiconazole, and the mass ratio of rice blast acid amides and triazole class compounds is 30: 1～1: 50.
2. composition according to claim 1 is characterized in that: the mass ratio of rice blast acid amides and triazole class compounds is 5: 1～1: 20.
3. according to each described bactericidal composition in the claim 1 to 2, it is characterized in that: also contain the pesticidal preparations auxiliary element in the said bactericidal composition, go up the formulation of using so that bactericidal composition is processed suitable agricultural.
4. bactericidal composition according to claim 3 is characterized in that: said auxiliary element is one or more in solvent, emulsifier, dispersant, stabilizing agent, antifreezing agent or the wetting agent.
5. bactericidal composition according to claim 4 is characterized in that: the formulation of said bactericidal composition is wetting powder, missible oil, suspending agent, water dispersible granules, aqueous emulsion and microemulsion.
6. the application of the described bactericidal composition of claim 1 in the rice disease control.
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| CN102640755A (en) * | 2009-07-22 | 2012-08-22 | 山东京博控股股份有限公司 | Insecticidal and acaricidal composition |
| CN102239848A (en) * | 2010-05-16 | 2011-11-16 | 青岛奥迪斯生物科技有限公司 | Sterilizing composition containing fenoxanil and tebuconazole |
| CN102239849A (en) * | 2010-05-16 | 2011-11-16 | 青岛奥迪斯生物科技有限公司 | Sterilization composition containing fenoxanil and propiconazole |
| CN101999362B (en) * | 2010-12-02 | 2013-04-10 | 陕西美邦农药有限公司 | Fenoxanil and epoxiconazole-containing bactericidal composition |
| CN101999363B (en) * | 2010-12-02 | 2013-10-09 | 陕西美邦农药有限公司 | Disinfectant composition containing fenoxanil and triazoles |
| CN102067881B (en) * | 2011-01-12 | 2013-04-03 | 青岛农业大学 | Difenoconazole and sulfur compounded suspending agent and preparation method thereof |
| CN102334512B (en) * | 2011-07-12 | 2013-12-04 | 江苏龙灯化学有限公司 | Pesticide composition containing fenoxanil and copper calcium sulphate and use thereof |
| CN102659468A (en) * | 2012-04-23 | 2012-09-12 | 赵国彬 | Bactericide containing triazoles |
| CN102754661A (en) * | 2012-07-31 | 2012-10-31 | 潘登 | Combination fungicide for controlling rice blast and using method thereof |
| CN104068026A (en) * | 2014-06-30 | 2014-10-01 | 海利尔药业集团股份有限公司 | Sterilization composition containing meptyldinocap and triadimenol |
| CN107950576A (en) * | 2017-12-30 | 2018-04-24 | 黑龙江省苗必壮农业科技有限公司 | A kind of composite drug for preventing rice sheath blight disease and rice blast |
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