CN102119689B - Bactericidal composition containing fluazinam and azoxystrobin and application of same - Google Patents
Bactericidal composition containing fluazinam and azoxystrobin and application of same Download PDFInfo
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- CN102119689B CN102119689B CN 201010017617 CN201010017617A CN102119689B CN 102119689 B CN102119689 B CN 102119689B CN 201010017617 CN201010017617 CN 201010017617 CN 201010017617 A CN201010017617 A CN 201010017617A CN 102119689 B CN102119689 B CN 102119689B
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Abstract
The invention belongs to the field of farm chemicals and discloses a bactericidal composition containing fluazinam and azoxystrobin and the application of the same. The fluazinam and the azoxystrobin serve as effective components of the composition, wherein the total content of the fluazinam and the azoxystrobin in mass percentage is 1% to 80%, and the mass ratio of the fluazinam to the azoxystrobin is 50:1 to 1:30. The composition can be used for the preparation of a bactericide for preventing and treating diseases such as rice blast, pestilence, anthracnose, leaf mold, scab and the like caused by fungi and other pathogens of cereal crops, vegetable and fruit trees, and has the advantages of wide application range, low cost and good effect.
Description
Technical field
The invention belongs to the agriculture chemicals fungicide field, relate to a kind of bactericidal composition and uses thereof, be specifically related to bactericidal composition and the application thereof of a kind of containing fluazinam and Fluoxastrobin.
Background technology
The plant disease economic loss is many-sided.At first, because disease causes crop yield minimizing and quality of products, cause income to reduce concerning the producer; Owing to spraying insecticide or otherwise expenses for prevention and control increases production cost; Sometimes have to plant disease-resistant but kind that output is not high or replant the low crop species of other economic benefits; Impact front due to results on the fruits and vegetables product or the duration of storage disease has to sell off at a low price when product goes on the market in a large number, or increases fresh-keeping expense for adjusting selling period.Secondly, concerning the consumer, constantly appreciate because the disease underproduction causes agricultural product, make them increase the life spending or reduce consumption figure or buy substandard products or substitute, affected quality of life; For coming the intermediate consumer of other commodity of processing with agricultural product, agricultural product price goes up can be increased production cost or affect the end product quality, tends to the expense of increase is imputed to it the ultimate consumer as the producer's intermediate consumer.The 3rd, on the impact of national economy: estimate according to FAO (Food and Agriculture Organization of the United Nation), after plant suffers disease, average loss is about 10%～15% of gross yield.
Fluazinam belongs to 2,6-dinitroanilines, is protective fungicide, is mitochondrial oxidation phosphorylated uncoupler.Suppress the course of infection in all stages by suppressing spore germination, mycelia breakthrough, growth and sporulation.The fungicidal spectrum of fluazinam is very wide, and its effect is better than the GPF (General Protection False bactericide.Interlink spore genus, Botrytis, Phytophthora, single shaft Pseudomonas, Sclerotinia and Venturia there are special efficacy, the Botrytis cinerea of anti-benzimidazole type and dicarboximide series bactericidal agent are belonged to good effect is also arranged.This medicine also has the effect that resistance of rainwater washing against, lasting period are long, have good control phytophagous mites concurrently in addition, and the club root of crucifer is also had remarkable preventive effect, and the microbial paddy rice damping off of friendly head mold is also had good control efficiency.
In China, because the fluazinam import price is high, being confined on the high some crops of economic value added of usable floor area used area less, can not use in the crop pests control widely, and this bactericide also exists the larger defective of toxicity.
Fluoxastrobin belongs to methoxy acrylic bactericide, have efficient, wide spectrum, nearly all mycota (Ascomycotina, Basidiomycotina, Mastigomycotina and Deuteromycotina) disease such as powdery mildew, rust, glume blight, net blotch, downy mildew, rice blast etc. are all had good activity.Can be used for cauline leaf spraying, seed treatment, be mainly used in the crops such as cereal, paddy rice, peanut, grape, potato, fruit tree, vegetables, coffee, lawn, have good crop safety and very outstanding Environmental compatibility.Under the condition of present long-term prescription, evil bacterium pesticide resistance increases gradually, and the agricultural chemicals single dose descends gradually to the effect of evil bacterium control.
Agriculture chemical compounding can obviously improve drug effect, and delays the generation of evil bacterium resistance.Not yet find up to now the bactericidal composition of relevant fluazinam and Fluoxastrobin.
Summary of the invention
The objective of the invention is for the problems referred to above, a kind of applied widely, containing fluazinam that cost is low, effective and the bactericidal composition of Fluoxastrobin are provided.
Another object of the present invention is to provide the application of said composition in the bactericide of preparation control corps diseases.
A kind of microbicide compositions, take fluazinam and Fluoxastrobin as main active ingredient, wherein the gross mass percentage composition of fluazinam and Fluoxastrobin is 1%～80%, preferred 5%～60%, the mass ratio of fluazinam and Fluoxastrobin is 50: 1～1: 30, be preferably 30: 1～1: 20, particularly preferably 20: 1～1: 10.
This bactericidal composition can be become by fluazinam any one formulation that allows on agricultural chemicals, the preferred suspending agent of described formulation, dry suspending agent, suspension seed-coating agent, wetting powder, pulvis, water dispersion granule, aqueous emulsion etc. with known additive compound with Fluoxastrobin.These known auxiliary agents are dispersant commonly used on agricultural chemicals, diffusant, defoamer, wetting agent, disintegrant etc.
Bactericidal composition provided by the invention can be used for preparing the bactericide of preventing and treating corps diseases, be preferred for preparing the bactericide of the disease that control and cereal, vegetables or fruit tree crop cause by fungi and other pathogene, further be preferred for preparation control rice blast, banded sclerotial blight, wheat sharp eyespot, rust, powdery mildew of cucumber, downy mildew, tomato blight, grape powdery mildew, mango anthracnose, the bactericide of pear scab is most preferably for the preparation of the bactericide of preventing and treating rice blast, powdery mildew of cucumber, mango anthracnose or pear scab.
Beneficial effect of the present invention:
1, the present invention's fluazinam used is the pyridines bactericide, and Fluoxastrobin is methoxy acrylic bactericide, and mutually being mixed can not produce conflict, can produce obvious synergistic function, can reduce dosage when using, and reduces costs.
2, the present composition has enlarged fungicidal spectrum and has widened dispenser period, has better antibacterial and sterilization double effects, has overcome the deficiency of a certain composition of single use, has avoided plant disease to produce the risk of resistance.
Embodiment
Embodiment 1:60% fluazinam Fluoxastrobin suspending agent
Fluazinam 45kg
Fluoxastrobin 15kg
Alkylphenol-polyethenoxy base phosphate 6kg
Organosilicon breast defoamer 0.2kg
Xanthans 0.3kg
Water complements to 100kg
Above-mentioned respectively the metering stirred by the one-level sand mill after composition mixes, after secondary sand mill sand milling, allocate in modulation kettle, carry out metering, distributing, packaging after inspection by sampling is qualified and both got the suspending agent formulation products.
Embodiment 2:45% fluazinam Fluoxastrobin dry suspending agent
Fluazinam 35kg
Fluoxastrobin 10kg
Sodium lignin sulfonate 8kg
Sodium phosphate trimer 3kg
Ammonium sulfate 12kg
Kaolin complements to 100kg
With various compositions mix all with, pulverizing after, mix suitable water spray granulating and drying and get the dry suspending agent formulation products.
Embodiment 3:5% fluazinam Fluoxastrobin suspension seed-coating agent
Fluazinam 4kg
Fluoxastrobin 1kg
Aliphatic alcohol polyoxyvinethene phosphate class 5kg
Bentonite 2kg
Xanthans 0.3kg
Ethylene glycol 5kg
Polyvinyl alcohol blending modification film forming agent 0.2kg
Pigment 0.2kg
Water complements to 100kg
With sand milling after the active component in above-mentioned, bentonite, emulsifier and the abundant mix and blend of part water, then add successively film forming agent, thickener, antifreezing agent and excess water fully to mix in modulation kettle after both the suspension seed-coating agent formulation products.
Embodiment 4:10% fluazinam Fluoxastrobin wetting powder
Fluazinam 4kg
Fluoxastrobin 6kg
Pull open powder 3kg
Naphthalene sulfonate 2kg
White carbon 5kg
Kaolin complements to 100kg
Above metering composition is mixed laggard promoting the circulation of qi stream pulverize, both got the wetting powder formulation products.
Embodiment 5:45% fluazinam azoxystrobin water emulsion
Fluazinam 30kg
Fluoxastrobin 15kg
Phosphoric acid esters wedding agents 3kg
Block polymerization ethers 2kg
Ethylene glycol 5kg
Water complements to 100kg
After dividing oil phase and water two parts to mix above-mentioned metering composition, utilize high-shear homogenizer to stir, both got the aqueous emulsion formulation products.
Embodiment 6:80% fluazinam Fluoxastrobin water dispersion granule
Fluazinam 40kg
Fluoxastrobin 40kg
Naphthalene sulfonate 6kg
Ammonium sulfate 4kg
Kaolin complements to 100kg
To add wetting dispersing agent after the active ingredient dissolving, the rear interpolation filler that stirs grinds the pressure granulation after mixing, and oven dry had both got the water dispersion granule formulation products.
Embodiment 7:40% fluazinam Fluoxastrobin water dispersion granule
Fluazinam 10kg
Fluoxastrobin 30kg
Naphthalene sulfonate 6kg
Ammonium sulfate 4kg
Kaolin complements to 100kg
To add wetting dispersing agent after the active ingredient dissolving, the rear interpolation filler that stirs grinds the pressure granulation after mixing, and oven dry had both got the water dispersion granule formulation products.
Embodiment 8:40% fluazinam Fluoxastrobin suspending agent
Fluazinam 25kg
Fluoxastrobin 15kg
Alkylphenol-polyethenoxy base phosphate 6kg
Organosilicon breast defoamer 0.2kg
Xanthans 0.3kg
Water complements to 100kg
Above-mentioned respectively the metering stirred by the one-level sand mill after composition mixes, after the secondary sand mill, allocate in modulation kettle, carry out metering, distributing, packaging after inspection by sampling is qualified and both got the suspending agent formulation products.
Embodiment 9:10% fluazinam Fluoxastrobin wetting powder
Fluazinam 1kg
Fluoxastrobin 9kg
Pull open powder 3kg
Naphthalene sulfonate 2kg
White carbon 5kg
Kaolin complements to 100kg
Above metering composition is mixed laggard promoting the circulation of qi stream pulverize, both got the wetting powder formulation products.
Embodiment 10:30% fluazinam Fluoxastrobin water dispersion granule
Fluazinam 5kg
Fluoxastrobin 25kg
Naphthalene sulfonate 5kg
Ammonium sulfate 3kg
Kaolin complements to 100kg
To add wetting dispersing agent after the active ingredient dissolving, the rear interpolation filler that stirs grinds the pressure granulation after mixing, and oven dry had both got the water dispersion granule formulation products.
Embodiment 11:33% fluazinam Fluoxastrobin dry suspending agent
Fluazinam 30kg
Fluoxastrobin 3kg
Sodium lignin sulfonate 6kg
Sodium phosphate trimer 2kg
Ammonium sulfate 10kg
Kaolin complements to 100kg
With various compositions mix all with, pulverizing after, mix suitable water spray granulating and drying and get the dry suspending agent formulation products.
Embodiment 12:64% fluazinam azoxystrobin water emulsion
Fluazinam 60kg
Fluoxastrobin 4kg
Phosphoric acid esters wedding agents 5kg
Block polymerization ethers 3kg
Ethylene glycol 7kg
Water complements to 100kg
After dividing oil phase and water two parts to mix above-mentioned metering composition, utilize high-shear homogenizer to stir, both got the aqueous emulsion formulation products.
Embodiment 13:62% fluazinam Fluoxastrobin wetting powder
Fluazinam 60kg
Fluoxastrobin 2kg
Pull open powder 4kg
Naphthalene sulfonate 3kg
White carbon 6kg
Kaolin complements to 100kg
Above metering composition is mixed laggard promoting the circulation of qi stream pulverize, both got the wetting powder formulation products.
Application Example 1: prevent and treat the powdery mildew of cucumber experiment
1, be indoor conventional screening cucumber sense powdery mildew kind for studying thing.
2, test is processed: this test medicine consumption arranges 5 concentration gradients according to the difference of composition, and the contrast medicament is fluazinam and Fluoxastrobin and the contrast of blank clear water.
3, test method: from the cucumber cotyledons phase, on the cucumber leaves that 2 true leaves are arranged, after 24 hours, the spray medicine is processed with cucurbits powdery mildew bacterium spore suspension spray inoculation.Inspection method is calculated co-toxicity coefficient for statistics blade disease index.
4, result of the test sees Table 1:
Table 1
Laboratory test fluazinam and Fluoxastrobin are by the EC of 50: 1,30: 1,20: 1,1: 10,1: 20,1: 30 rear each proportioning of mensuration that is mixed
50, calculate at last the co-toxicity coefficient of each proportioning mixture.Result shows that both are composite and has an obvious synergistic effect.
Application Example 2: the field trial of control rice blast
Test with the pesticidal preparations control rice blast that above-described embodiment makes.
1, test is processed: this test medicine consumption is established respectively three concentration for the treatment of according to the difference of each composition, and the contrast medicament is respectively commercially available agricultural chemicals 25% Fluoxastrobin suspending agent (SC) and 50% fluazinam aqueous suspension agent SC and the test of blank clear water.
2, each residential quarter area of test method is 66.7m
2, repeat 3 times; Inspection drug effect method before dispenser after Investigation and Prevention is: random sampling 5 points in the test treatment region, every 50 fringes check the rice blast occurrence degree.
3, result of the test sees Table:
Table 2
Annotate: a is illustrated on α=0.05 level remarkable, and b is illustrated on α=0.05 level variant, and c is illustrated on α=0.05 level not remarkable.
Consumption in table 2 refers to the consumption of active ingredient in each preparation.The field efficacy result shows, fluazinam and azoxystrobin composite have good control efficiency to rice blast, and control efficiency all is better than the single dose kind.
Application example 3: prevent and treat the pear scab test.
1. test is processed: this test medicine consumption is the consumption of active ingredient, different preparations are established respectively three concentration for the treatment of, and the contrast medicament is respectively commercially available agricultural chemicals 50% fluazinam suspending agent (SC) and 25% Fluoxastrobin suspending agent (SC) and the test of blank clear water.
2. test method: each residential quarter 2 row, repeat 3 times; Inspection drug effect method before dispenser after Investigation and Prevention is: random sampling 5 points in the test treatment region check the scab occurrence degree.
3. result of the test sees Table 3:
Table 3
Annotate: a is illustrated on α=0.05 level remarkable, and b is illustrated on α=0.05 level variant, and c is illustrated on α=0.05 level not remarkable.
Consumption in table 3 refers to the consumption of active ingredient in each preparation.The field efficacy result shows, fluazinam and azoxystrobin composite have good control efficiency to pear scab, and control efficiency all is better than the single dose kind.
Application Example 4: biocontrol of mango anthracnose test
1. test is processed: this test medicine consumption is established respectively three concentration for the treatment of according to the difference of each composition, and the contrast medicament is respectively 25% Fluoxastrobin suspending agent SC, the fluazinam suspending agent SC of 500g/L and the test of blank clear water.
2. before the test method dispenser, the inspection drug effect method after Investigation and Prevention is: random sampling 5 points in the test treatment region, every 10 mango check mango anthracnose generation disease index, calculate preventive effect.
3. result of the test sees Table 4:
Table 4
| Treatment agent | Consumption (g a.i/L) | 3 days control rates | 7 days control rates | 14 days control rates |
| Example 1 | 0.3 | 67.4％～68.5％ | 76.4％～82.6％ | 72.4％～80.5％ |
| Example 3 | 0.3 | 69.6％～72.6％ | 76.4％～84.5％ | 78.4％～86.7％ |
| Example 4 | 0.3 | 68.3％～69.2％ | 77.6％～84..3％ | 80.4％～85.6％ |
| Example 5 | 0.3 | 64.3％～67.8％ | 74.2％～83.6％ | 81.4％～89.5％ |
| Example 8 | 0.3 | 66.3％～70.2％ | 75.8％～87.5％ | 81.6％～86.4％ |
| 25% Fluoxastrobin SC | 0.3 | 50.6％～58.9％ | 60.7％～64.3％ | 65.8％～69.9％ |
| 50% fluazinam SC | 0.3 | 42.7％～48.6％ | 49.7％～53.8％ | 55.4％～58.9％ |
Learnt by above form, the composite bactericide that makes of Fluoxastrobin and fluazinam, its control efficiency is good and Fluoxastrobin and fluazinam single dose far away.
Claims (11)
1. microbicide compositions is characterized in that said composition take fluazinam and Fluoxastrobin as active ingredient, and wherein the mass ratio of fluazinam and Fluoxastrobin is 50:1 ~ 1:30.
2. bactericidal composition according to claim 1 is characterized in that in described composition, the mass ratio of fluazinam and Fluoxastrobin is 35:1 ~ 1:20.
3. bactericidal composition according to claim 2 is characterized in that in described composition, the mass ratio of fluazinam and Fluoxastrobin is 20:1 ~ 1:10.
4. according to claim 1,2 or 3 described bactericidal compositions is characterized in that in described composition, the gross mass percentage composition of fluazinam and Fluoxastrobin is 1% ~ 80%.
5. bactericidal composition according to claim 1 is characterized in that in described composition, the gross mass percentage composition of fluazinam and Fluoxastrobin is 5% ~ 60%.
6. bactericidal composition according to claim 1, is characterized in that described bactericidal composition is become any one formulation that allows on agricultural chemicals with known additive compound with Fluoxastrobin by fluazinam.
7. bactericidal composition according to claim 6, is characterized in that described formulation is suspending agent, pulvis, aqueous emulsion.
8. the application of bactericidal composition claimed in claim 1 in the bactericide of preparation control corps diseases.
9. the application of bactericidal composition claimed in claim 1 in the bactericide of preparation control cereal, vegetables or fruit tree crop disease.
10. bactericidal composition claimed in claim 1 is in preparation control rice blast, rice sheath blight disease, wheat sharp eyespot, rust, powdery mildew of cucumber, downy mildew, tomato blight, grape powdery mildew, the application in the bactericide of mango anthracnose or pear scab.
11. application according to claim 10 is characterized in that the application of bactericidal composition claimed in claim 1 in the bactericide of preparation control rice blast, powdery mildew of cucumber, mango anthracnose or pear scab.
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| WO2014029697A1 (en) * | 2012-08-22 | 2014-02-27 | Basf Se | Fungicidal ternary mixtures comprising fluazinam |
| CN111685120B (en) * | 2020-06-29 | 2021-10-26 | 广西南亚热带农业科学研究所 | Method for preventing and controlling seedling stage diseases of elaeagnus pungens |
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