CN104886122A - Compound composition containing dufulin and pyrazole amide bactericide and bactericide - Google Patents
Compound composition containing dufulin and pyrazole amide bactericide and bactericide Download PDFInfo
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- CN104886122A CN104886122A CN201510337206.8A CN201510337206A CN104886122A CN 104886122 A CN104886122 A CN 104886122A CN 201510337206 A CN201510337206 A CN 201510337206A CN 104886122 A CN104886122 A CN 104886122A
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Abstract
The invention provides compound composition containing dufulin and a pyrazole amide bactericide and bactericide. The active ingredients of the compound composition comprise dufulin and the pyrazole amide bactericide, wherein the pyrazole amide bactericide is selected from one or more of fluopicolide, Bixafen, sedaxane, isopyrazam, benzovindiflupyr or penflufen; a weight ratio of dufulin to the pyrazole amide bactericide is (40:1)-(1:70). The invention further provides the bactericide. The compound composition accounts for 0.5%-84% of the total weight of the bactericide. The compound composition has remarkable synergistic interaction effect compared with a single pesticide, can effectively control diseases of various crops, has the function of improving the control effect, and has the effects of reducing pesticide application quantity and cost, delaying pesticide resistance and the like.
Description
Technical field
The present invention relates to technical field of pesticide, especially relate to complex composition and the bactericide thereof of malicious fluorine phosphorus and pyrazol acid amide fungicide compounding.
Background technology
Chemical agent is the important means of preventing and treating crop pest, and along with the change of environment, the degree of crop generation virus disease increases the weight of, but crop is caused harm while causing harm by virus disease, with also suffering other diseases, and market can prevent and treat medicament shortcoming or the large preventive effect decline of resistance of multiple diseases.And to utilize the pesticide active ingredient of the different mechanism of action to carry out composite be the one mode effectively efficiently developed pesticide new product at present and prevent and treat resistance damage by disease and insect.Different pesticide active ingredient carry out composite after, three kinds of type of action can be shown: summation action, synergistic effect and antagonism.Usually, only have by a large amount of tests just can learn different pesticide active ingredient composite after type of action.
Through overtesting, inventor finds that malicious fluorine phosphorus and pyrazol acid amide fungicide compounding prevent and treat crop pest, synergistic effect is remarkable.
Poison fluorine phosphorus is that inventor is transferred the possession of the plant virus resistance product (patent No. ZL200510003041.7) of new generation come by Guizhou University, and it is a kind of novel Antiphytoviral medicament of fluorine-containing amino phosphonate ester of novel structure.The characteristics such as novel structure, the mechanism of action in view of it are unique, it is very outstanding that malicious fluorine phosphorus is used for preventing and treating virus disease effect.But in pesticide field, during good Pesticide use, also to note protection, find different classes of pesticide species with its mixture uses, while raising control efficiency, the service life of excellent agricultural chemicals can also be delayed.
The preferred fluopicolide of pyrazole amide series bactericidal agent, biphenyl pyrrole bacterium amine, fluorine azoles ring bacterium amine, isopyrazam, benzo alkene fluorine bacterium azoles, fluorine azoles bacterium aniline.Above-mentioned pyrazole amide series bactericidal agent is known in this field and published bactericide kind.
The CAS 239110-15-7 of fluopicolide, English name Fluopicolide.
The CAS 581809-46-3 of biphenyl pyrrole bacterium amine, English name Bixafen.
The CAS 874967-67-6 of fluorine azoles ring bacterium amine, empirical formula C18H19F2N3O.
Isopyrazam is a kind of fungicidal activity composition having prevention and therapy concurrently, belongs to SDHI series bactericidal agent, can long-acting prevention and control crop diseases.The mechanism of action of this composition is suppress the respiratory enzyme in pathogen mitochondrial membrane.
Benzo alkene fluorine bacterium azoles, English name benzovindiflupyr, many crops such as control wheat, corn etc. all presents the outstanding preventive effect to Major Diseases.
The CAS 494793-67-8 of fluorine azoles bacterium aniline, ISO common name Penflufen.
Through retrieval, do not find the relevant report of the complex composition of malicious fluorine phosphorus and pyrazole amide series bactericidal agent.
Summary of the invention
In view of this, for the deficiency that prior art exists, the object of the invention is the complex composition and the bactericide that provide a kind of toxic fluorine phosphorus and pyrazole amide series bactericidal agent, this complex composition and bactericide have obvious synergistic function relative to single dose, improve bactericidal activity, reduce the dosage of agricultural chemicals, reduce costs, expanding prevention is composed, and also delays the pesticide resistance of pathogen.
In order to actual arrival object of the present invention, the technical scheme taked is:
The invention provides a kind of complex composition, this complex composition active component is made up of malicious fluorine phosphorus and pyrazole amide series bactericidal agent; Described pyrazole amide series bactericidal agent be selected from fluopicolide, biphenyl pyrrole bacterium amine, fluorine azoles ring bacterium amine, isopyrazam, benzo alkene fluorine bacterium azoles, fluorine azoles bacterium aniline any one or a few; Described malicious fluorine phosphorus and the weight ratio of pyrazole amide series bactericidal agent are 40:1 to 1:70.
Preferably, described malicious fluorine phosphorus and the weight ratio of pyrazole amide series bactericidal agent are 20:1 to 1:40; More preferably, weight ratio is 10:1 to 1:20.
The present invention also provides a kind of bactericide of complex composition described above, and complex composition described above accounts for the 0.5-84% of bactericide gross weight.Preferably, complex composition described above accounts for the 4-60% of bactericide gross weight.
Bactericide provided by the invention, except comprising malicious fluorine phosphorus and pyrazole amide series bactericidal agent, also comprises acceptable auxiliary element on agricultural chemicals.
On agricultural chemicals of the present invention, acceptable auxiliary element comprises filler, solvent, emulsifier, wetting agent, dispersant etc., also can add other conventional functionality auxiliary agents such as antifreezing agent, thickener, defoamer, disintegrant, film forming agent if desired.
Filler is precipitated calcium carbonate, kaolin, bentonite, diatomite, earth powder, urea, montmorillonite.
Solvent is water, cyclohexanone, 1-METHYLPYRROLIDONE, methyl oleate, vegetable oil, dimethylbenzene, C10 aromatic hydrocarbons.
Emulsifier, wetting agent, dispersant is styrylphenol polyoxyethylene ether, calcium dodecyl benzene sulfonate, polycarboxylate, thermally coupled distillation columns, alkylaryl polyoxyethylene polyoxypropylene ether, alkylphenol polyoxyethylene phosphate, fatty alcohol-polyoxyethylene ether, phenethyl phenyl polyoxyethylene poly-oxygen propylene aether, styryl phenyl APEO, polyoxyethylene nonylphenol ether, alkyl polyoxyethylene sulfate salt, alkylnaphthalene sulfonate, Tea Saponin, Negel, naphthalene sulfonate, lauryl sodium sulfate, sodium butylnaphthalenesulfonate, lauryl alcohol polyethylene glycol oxide base ether, sldium lauryl sulfate, sodium carboxymethylcellulose, sodium metnylene bis-naphthalene sulfonate, the formaldehyde condensation products of methyl naphthalene sulfonic acid sodium, sodium lignin sulfonate, alkylphenol-polyethenoxy base phosphate, calcium lignosulfonate, aliphatic alcohol polyethenoxy base ether, aliphatic alcohol polyoxyvinethene phosphate, acrylate homopolymer sodium salt.
Disintegrant is ammonium chloride, potassium sulfate, sodium sulphate, ammonium carbonate, superphosphate, urea, diammonium phosphate.
Thickener is xanthans, pectin, Magnesiumaluminumsilicate, gum Arabic.
Antifreezing agent is glycerine, ethylene glycol, isopropyl alcohol.
Warning colouration is pinkish red, acid scarlet.
Film forming agent is carboxymethyl cellulose, starch, polyvinyl alcohol.
Binding agent is ethyl cellulose, polyvinyl alcohol, starch.
Bactericide of the present invention can be prepared into following formulation: wetting powder, water dispersible granules, suspending agent, seed treatment dry powder doses, granule or ultra low volume liquids.
Bactericide of the present invention can be used for preventing and treating various crop pest, concrete as cucumber downy mildew, tomato virus disease.
Bactericide of the present invention can be used by commonsense method, as spraying cauline leaf process, also can soil treatment, and such as solid root spreads fertilizer over the fields or liquid fills with root, can also dress seed, to soak seed or seed pelleting uses.
Complex composition of the present invention and bactericide have following beneficial effect relative to prior art:
(1) complex composition of the present invention, in certain ratio range, mixture shows excellent synergistic effect, and the co-toxicity coefficient preventing and treating crop pest is greater than 120, and the bactericidal effect of complex composition is significantly improved compared with its single dose.
(2) reduce the using dosage of agricultural chemicals, reduce peasant's drug cost.
(3) utilize the different mechanisms of action of two kinds of active components, can mutual supplement with each other's advantages be played, reasonably mixture, both extended the Pesticide use life-span, delay again the drug-fast generation of pathogen.
Embodiment
Below by embodiment, the invention will be further described.It should be noted that, the embodiment of the present invention is only used for the present invention is described, instead of limitation of the present invention.The former medicine of malicious fluorine phosphorus used in the present invention is synthesized by inventor, and other former medicines used and preparation are commercial.In the application if no special instructions, percentage is all weight percentage.
One, the preparation of wetting powder
Preparation method: malicious fluorine phosphorus, pyrazole amide series bactericidal agent (abbreviation B component), wetting agent, dispersant, white carbon, filler are mixed, after airslide disintegrating mill is pulverized, stirs 30min, obtains the wetting powder of bactericide of the present invention.
Two, the preparation of water dispersible granules
Preparation method: malicious fluorine phosphorus, pyrazole amide series bactericidal agent (abbreviation B component), wetting agent, dispersant, filler are mixed, after airslide disintegrating mill is pulverized, stir 30min, mediate and add granulation in fluid bed, then with dry in dryer, that screening obtains bactericide of the present invention water dispersible granules.
Three, the preparation of suspending agent
Preparation method: by emulsifier, antifreezing agent, thickener, deionized water mixing, mix through high speed shear, add malicious fluorine phosphorus, pyrazole amide series bactericidal agent (abbreviation B component) successively, abrading-ball 2 ~ 3 hours in ball crusher, the suspending agent of obtained bactericide of the present invention.
Four, seed treatment dry powder doses
By formula rate, malicious fluorine phosphorus and pyrazole amide series bactericidal agent (abbreviation B component), each auxiliary agent premixed is even, then pulverize through cracker, pulverized and again mixed, obtained the seed treatment dry powder doses of bactericide of the present invention.
Five, the preparation of granule
Malicious fluorine phosphorus, pyrazole amide series bactericidal agent (abbreviation B component), auxiliary agent, solid carrier are mixed in airtight compounding kettle, adopts the granulation of coating method, after screening, drying, inspection, namely obtain the granule of bactericide of the present invention.
Six, the preparation of ultra low volume liquids
BIOLOGICAL ACTIVITY EXAMPLES
Toxicity Determination:
Following indoor biometrics test adopts the abundant method of Sun Yun to calculate co-toxicity coefficient (CTC) and evaluates mixed effect.
Toxicity index TI (B)=(EC of standard agent A
50the EC50 of ÷ B agent) × 100
Actual toxicity index ATI (AB)=(EC of A
50the EC50 of ÷ AB) × 100
Theoretical toxicity index TTI (AB)=TI (the A) × A percentage+TI (B) in the mixture × percentage of B in mixture
Co-toxicity coefficient (CTC)=[the theoretical toxicity index (TTI) of mixture actual measurement toxicity index (ATI) ÷ mixture] × 100
Evaluation criterion: (CTC) >=120 show as synergistic effect; CTC≤80 show as antagonism; 80 < CTC < 120 show as summation action.
Toxicity Determination embodiment one
Test method: with reference to " NYT 1156.7-2006 " and " NY/T 1156.6-2006 ", calculate the EC of each medicament
50, and the co-toxicity coefficient of mixture is calculated according to the abundant method of Sun Yun.Measurement result is in Table 1-3.
The Toxicity Determination result of cucumber downy mildew prevented and treated by table 1
| Composition | EC 50(μg/ml) | ATI | TTI | CTC |
| Poison fluorine phosphorus (A) | 112.60 | 100.00 | / | / |
| Fluopicolide (B) | 6.31 | 1784.47 | / | / |
| A:B＝40:1 | 58.35 | 192.97 | 141.08 | 136.78 |
| A:B＝30:1 | 49.71 | 226.51 | 154.34 | 146.77 |
| A:B＝20:1 | 38.04 | 296.00 | 180.21 | 164.25 |
| A:B＝10:1 | 27.52 | 409.16 | 253.13 | 161.64 |
| A:B＝5:1 | 15.05 | 748.17 | 380.74 | 196.50 |
| A:B＝2.5:1 | 10.53 | 1069.33 | 581.28 | 183.96 |
| A:B＝1:1 | 6.67 | 1688.16 | 942.23 | 179.17 |
| A:B＝1:2.5 | 4.54 | 2480.18 | 1303.19 | 190.32 |
| A:B＝1:5 | 3.87 | 2909.56 | 1503.72 | 193.49 |
| A:B＝1:10 | 3.08 | 3655.84 | 1631.34 | 224.10 |
| A:B＝1:20 | 3.18 | 3540.88 | 1704.26 | 207.77 |
| A:B＝1:30 | 3.75 | 3002.67 | 1730.13 | 173.55 |
| A:B＝1:40 | 4.22 | 2668.25 | 1743.38 | 153.05 |
| A:B＝1:50 | 4.31 | 2612.53 | 1751.44 | 149.16 |
| A:B＝1:60 | 4.82 | 2336.10 | 1756.85 | 132.97 |
| A:B＝1:70 | 5.22 | 2157.09 | 1760.74 | 122.51 |
The Toxicity Determination result of cucumber downy mildew prevented and treated by table 2
| Composition | EC 50(μg/ml) | ATI | TTI | CTC |
| Poison fluorine phosphorus (A) | 109.80 | 100.00 | / | / |
| Biphenyl pyrrole bacterium amine (C) | 4.31 | 2547.56 | / | / |
| A:C＝40:1 | 56.23 | 195.27 | 159.70 | 122.28 |
| A:C＝30:1 | 47.11 | 233.07 | 178.95 | 130.24 |
| A:C＝20:1 | 35.09 | 312.91 | 216.55 | 144.50 |
| A:C＝10:1 | 21.77 | 504.36 | 322.51 | 156.39 |
| A:C＝5:1 | 12.35 | 889.07 | 507.93 | 175.04 |
| A:C＝2.5:1 | 8.22 | 1335.77 | 799.30 | 167.12 |
| A:C＝1:1 | 4.88 | 2250.00 | 1323.78 | 169.97 |
| A:C＝1:2.5 | 3.25 | 3378.46 | 1848.26 | 182.79 |
| A:C＝1:5 | 2.87 | 3825.78 | 2139.64 | 178.81 |
| A:C＝1:10 | 3.06 | 3588.24 | 2325.06 | 154.33 |
| A:C＝1:20 | 2.38 | 4613.45 | 2431.01 | 189.77 |
| A:C＝1:30 | 3.15 | 3485.71 | 2468.61 | 141.20 |
| A:C＝1:40 | 3.08 | 3564.94 | 2487.87 | 143.29 |
| A:C＝1:50 | 3.18 | 3452.83 | 2499.57 | 138.14 |
| A:C＝1:60 | 3.36 | 3267.86 | 2507.44 | 130.33 |
| A:C＝1:70 | 3.52 | 3119.32 | 2513.09 | 124.12 |
The Toxicity Determination result of cucumber downy mildew prevented and treated by table 3
| Composition | EC 50(μg/ml) | ATI | TTI | CTC |
| Poison fluorine phosphorus (A) | 114.50 | 100.00 | / | / |
| Fluorine azoles ring bacterium amine (D) | 12.85 | 891.05 | / | / |
| A:D＝40:1 | 75.09 | 152.48 | 119.29 | 127.82 |
| A:D＝30:1 | 67.24 | 170.29 | 125.52 | 135.67 |
| A:D＝20:1 | 55.31 | 207.02 | 137.67 | 150.37 |
| A:D＝10:1 | 36.68 | 312.16 | 171.91 | 181.58 |
| A:D＝5:1 | 25.42 | 450.43 | 231.84 | 194.28 |
| A:D＝2.5:1 | 21.55 | 531.32 | 326.01 | 162.98 |
| A:D＝1:1 | 12.74 | 898.74 | 495.53 | 181.37 |
| A:D＝1:2.5 | 10.39 | 1102.02 | 665.04 | 165.71 |
| A:D＝1:5 | 9.81 | 1167.18 | 759.21 | 153.74 |
| A:D＝1:10 | 8.82 | 1298.19 | 819.14 | 158.48 |
| A:D＝1:20 | 8.94 | 1280.76 | 853.38 | 150.08 |
| A:D＝1:30 | 9.20 | 1244.57 | 865.53 | 143.79 |
| A:D＝1:40 | 9.56 | 1197.70 | 871.76 | 137.39 |
| A:D＝1:50 | 9.36 | 1223.29 | 875.54 | 139.72 |
| A:D＝1:60 | 10.10 | 1133.66 | 878.08 | 129.11 |
| A:D＝1:70 | 10.52 | 1088.40 | 879.91 | 123.69 |
From table 1-3, malicious fluorine phosphorus and pyrazole amide series bactericidal agent composite in the scope of 40:1-1:70, prevent and treat the co-toxicity coefficient of cucumber downy mildew and be greater than 120, show obvious synergistic function.
Toxicity Determination embodiment two
Test method: indoor pot tobacco susceptible variety plant is to the 4-5 leaf phase, with the isopyknic viral juice frictional inoculation of liquid mixing of different ratio variable concentrations, often process 3 strains, often to select good strains in the field for seed 3 leaves, repeat 4 times, 3-4 days " Invest, Then Investigate " withered spot numbers, calculate inhibiting rate, press the abundant method of Sun Yun calculate co-toxicity coefficient by EC50 value.Measurement result is in Table 4-6.
The Toxicity Determination result of tomato virus disease prevented and treated by table 4
| Composition | EC 50(μg/ml) | ATI | TTI | CTC |
| Poison fluorine phosphorus (A) | 34.56 | 100.00 | / | / |
| Fluopicolide (B) | 121.60 | 28.42 | / | / |
| A:B＝40:1 | 26.33 | 131.26 | 98.25 | 133.59 |
| A:B＝30:1 | 25.16 | 137.36 | 97.69 | 140.61 |
| A:B＝20:1 | 25.60 | 135.00 | 96.59 | 139.76 |
| A:B＝10:1 | 24.53 | 140.89 | 93.49 | 150.69 |
| A:B＝5:1 | 25.42 | 135.96 | 88.07 | 154.37 |
| A:B＝2.5:1 | 21.29 | 162.33 | 79.55 | 204.06 |
| A:B＝1:1 | 29.71 | 116.32 | 64.21 | 181.16 |
| A:B＝1:2.5 | 36.28 | 95.26 | 48.87 | 194.91 |
| A:B＝1:5 | 48.27 | 71.60 | 40.35 | 177.44 |
| A:B＝1:10 | 58.56 | 59.02 | 34.93 | 168.96 |
| A:B＝1:20 | 69.50 | 49.73 | 31.83 | 156.23 |
| A:B＝1:30 | 75.31 | 45.89 | 30.73 | 149.33 |
| A:B＝1:40 | 73.55 | 46.99 | 30.17 | 155.76 |
| A:B＝1:50 | 83.36 | 41.46 | 29.82 | 139.01 |
| A:B＝1:60 | 91.16 | 37.91 | 29.59 | 128.10 |
| A:B＝1:70 | 93.63 | 36.91 | 29.43 | 125.42 |
The Toxicity Determination result of tomato virus disease prevented and treated by table 5
| Composition | EC 50(μg/ml) | ATI | TTI | CTC |
| Poison fluorine phosphorus (A) | 32.80 | 100.00 | / | / |
| Isopyrazam (E) | 143.20 | 22.91 | / | / |
| A:E＝40:1 | 26.41 | 124.20 | 98.12 | 126.58 |
| A:E＝30:1 | 24.88 | 131.83 | 97.51 | 135.20 |
| A:E＝20:1 | 23.91 | 137.18 | 96.33 | 142.41 |
| A:E＝10:1 | 25.34 | 129.44 | 92.99 | 139.20 |
| A:E＝5:1 | 19.25 | 170.39 | 87.15 | 195.51 |
| A:E＝2.5:1 | 26.54 | 123.59 | 77.97 | 158.50 |
| A:E＝1:1 | 30.85 | 106.32 | 61.45 | 173.01 |
| A:E＝1:2.5 | 41.47 | 79.09 | 44.93 | 176.03 |
| A:E＝1:5 | 59.80 | 54.85 | 35.75 | 153.41 |
| A:E＝1:10 | 65.38 | 50.17 | 29.91 | 167.71 |
| A:E＝1:20 | 75.69 | 43.33 | 26.58 | 163.06 |
| A:E＝1:30 | 86.52 | 37.91 | 25.39 | 149.30 |
| A:E＝1:40 | 93.76 | 34.98 | 24.79 | 141.14 |
| A:E＝1:50 | 97.14 | 33.77 | 24.42 | 138.29 |
| A:E＝1:60 | 99.25 | 33.05 | 24.17 | 136.74 |
| A:E＝1:70 | 105.87 | 30.98 | 23.99 | 129.14 |
The Toxicity Determination result of tomato virus disease prevented and treated by table 6
| Composition | EC 50(μg/ml) | ATI | TTI | CTC |
| Poison fluorine phosphorus (A) | 35.50 | 100.00 | / | / |
| Benzo alkene fluorine bacterium azoles (F) | 161.70 | 21.95 | / | / |
| A:F＝40:1 | 28.33 | 125.31 | 98.10 | 127.74 |
| A:F＝30:1 | 25.74 | 137.92 | 97.48 | 141.48 |
| A:F＝20:1 | 26.69 | 133.01 | 96.28 | 138.14 |
| A:F＝10:1 | 18.34 | 193.57 | 92.90 | 208.35 |
| A:F＝5:1 | 22.48 | 157.92 | 86.99 | 181.53 |
| A:F＝2.5:1 | 26.13 | 135.86 | 77.70 | 174.85 |
| A:F＝1:1 | 35.76 | 99.27 | 60.98 | 162.80 |
| A:F＝1:2.5 | 45.62 | 77.82 | 44.25 | 175.85 |
| A:F＝1:5 | 62.57 | 56.74 | 34.96 | 162.28 |
| A:F＝1:10 | 72.38 | 49.05 | 29.05 | 168.84 |
| A:F＝1:20 | 86.15 | 41.21 | 25.67 | 160.52 |
| A:F＝1:30 | 91.82 | 38.66 | 24.47 | 157.99 |
| A:F＝1:40 | 103.22 | 34.39 | 23.86 | 144.16 |
| A:F＝1:50 | 109.36 | 32.46 | 23.48 | 138.23 |
| A:F＝1:60 | 115.40 | 30.76 | 23.23 | 132.41 |
| A:F＝1:70 | 124.66 | 28.48 | 23.05 | 123.53 |
The Toxicity Determination result of tomato virus disease prevented and treated by table 6
| Composition | EC 50(μg/ml) | ATI | TTI | CTC |
| Poison fluorine phosphorus (A) | 33.10 | 100.00 | / | / |
| Fluorine azoles bacterium aniline (G) | 138.80 | 23.85 | / | / |
| A:G＝40:1 | 27.11 | 122.10 | 98.14 | 124.41 |
| A:G＝30:1 | 25.26 | 131.04 | 97.54 | 134.34 |
| A:G＝20:1 | 23.58 | 140.37 | 96.37 | 145.66 |
| A:G＝10:1 | 24.29 | 136.27 | 93.08 | 146.41 |
| A:G＝5:1 | 19.62 | 168.71 | 87.31 | 193.23 |
| A:G＝2.5:1 | 25.34 | 130.62 | 78.24 | 166.95 |
| A:G＝1:1 | 30.75 | 107.64 | 61.92 | 173.83 |
| A:G＝1:2.5 | 44.98 | 73.59 | 45.61 | 161.36 |
| A:G＝1:5 | 59.63 | 55.51 | 36.54 | 151.92 |
| A:G＝1:10 | 73.26 | 45.18 | 30.77 | 146.84 |
| A:G＝1:20 | 86.22 | 38.39 | 27.47 | 139.73 |
| A:G＝1:30 | 89.14 | 37.13 | 26.30 | 141.17 |
| A:G＝1:40 | 95.53 | 34.65 | 25.70 | 134.80 |
| A:G＝1:50 | 93.66 | 35.34 | 25.34 | 139.46 |
| A:G＝1:60 | 102.27 | 32.37 | 25.10 | 128.97 |
| A:G＝1:70 | 104.35 | 31.72 | 24.92 | 127.29 |
From table 4-6, malicious fluorine phosphorus and pyrazole amide series bactericidal agent composite in the scope of 40:1-1:70, prevent and treat the co-toxicity coefficient of tomato virus disease and be greater than 120, show obvious synergistic function.
Land for growing field crops test examples
In order to clear and definite malicious fluorine phosphorus and pyrazole amide series bactericidal agent alone with time mixed to the control efficiency of each crop pest, present invention applicant at home different regions has carried out a large amount of field trials.Wetting powder is wettable powder and is called for short WP.Water dispersible granules is called for short WDG, and suspending agent is called for short SC, ultra low volume liquids is called for short ULV.
Contrast medicament is:
CK1:30% poison fluorine phosphorus wetting powder, registration card LS20130359, Guangxi Tianyuan Biochemical Co., Ltd.;
CK2:20% fluopicolide wettable powder, self-control;
CK3:20% biphenyl pyrrole bacterium amine water dispersible granules, self-control;
CK4:20% fluorine azoles ring bacterium amine wettable powder, self-control;
CK5:20% isopyrazam wettable powder, self-control;
CK6:20% benzo alkene triflumizole water dispersant, self-control;
CK7:20% fluorine azoles bacterium aniline wettable powder, self-control.
Field efficacy embodiment one:
Test method: test method and investigation method: with reference to " GB/T17980.26-2000 pesticide field efficacy medicine test criterion (): bactericidal agent for preventing and treating cucumber downy mildew ", send out front in disease or begin to carry out first time dispenser when seeing scab, second time dispenser is carried out after 5d, dispenser twice altogether, each process plot area is 20m
2, number of repetition 4 times.Result of the test is in table 7.
The field control effectiveness test result of cucumber downy mildew prevented and treated by table 7
Known according to field control effectiveness test result table 7, poison fluorine phosphorus respectively with when fluopicolide, biphenyl pyrrole bacterium amine, fluorine azoles ring bacterium amine composite control cucumber downy mildew under the prerequisite of a small amount of single dose consumption of consumption, its preventive effect, apparently higher than contrast single dose, shows obvious synergistic effect.Complex preparation 14d after second time medicine can also keep good drug effect (all more than 88%), and the lasting period is long.
Field efficacy embodiment two:
Test method and investigation method: with reference to " NY/T1464.8-2007 pesticide field efficacy medicine test criterion the 8th part: bactericidal agent for preventing and treating tomato virus disease ", before disease occurs or initial stage of origination first time spray dispenser, after 5d, second time sprays dispenser.Dispenser twice altogether, each process plot area is 20m
2, number of repetition 4 times.
Investigation method: 7d, 14d investigation before dispenser and after last dispenser, random 5 samplings in every community, get 6 strains at often, investigate total strain number, diseased plant number at different levels.Result of the test is in table 8.
The field control effectiveness test result of tomato virus disease prevented and treated by table 8
Known according to field control effectiveness test result table 8, malicious fluorine phosphorus respectively with fluopicolide, isopyrazam etc. during composite control tomato virus disease under the prerequisite of a small amount of single dose consumption of consumption, its preventive effect apparently higher than contrast single dose, show obvious synergistic effect.Complex preparation 14d after second time medicine can also keep good drug effect (all more than 83%), and the lasting period is long.
Claims (9)
1. a complex composition, is characterized in that, described complex composition active component is made up of malicious fluorine phosphorus and pyrazole amide series bactericidal agent; Described pyrazole amide series bactericidal agent be selected from fluopicolide, biphenyl pyrrole bacterium amine, fluorine azoles ring bacterium amine, isopyrazam, benzo alkene fluorine bacterium azoles or fluorine azoles bacterium aniline any one or a few; Described malicious fluorine phosphorus and the weight ratio of pyrazole amide series bactericidal agent are 40:1 to 1:70.
2. complex composition according to claim 1, is characterized in that, described malicious fluorine phosphorus and the weight ratio of pyrazole amide series bactericidal agent are 20:1 to 1:40.
3. complex composition according to claim 2, is characterized in that, described malicious fluorine phosphorus and the weight ratio of pyrazole amide series bactericidal agent are 10:1 to 1:20.
4. the bactericide containing the arbitrary described complex composition of claim 1-3, it is characterized in that, described complex composition accounts for the 0.5-84% of bactericide gross weight.
5. bactericide according to claim 4, is characterized in that, described complex composition accounts for the 4-60% of bactericide gross weight.
6. bactericide according to claim 4, is characterized in that, described bactericide also comprises acceptable auxiliary element on agricultural chemicals.
7. bactericide according to claim 4, is characterized in that, described bactericide is prepared into following formulation: wetting powder, water dispersible granules, suspending agent, seed treatment dry powder doses, granule or ultra low volume liquids.
8. the purposes in crop pest prevented and treated by bactericide according to claim 4.
9. the purposes in crop pest prevented and treated by the bactericide described in claim 5-7.
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| CN201510337206.8A CN104886122B (en) | 2015-06-17 | 2015-06-17 | Compound composition containing dufulin and pyrazole amide bactericide and bactericide |
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| CN201510337206.8A CN104886122B (en) | 2015-06-17 | 2015-06-17 | Compound composition containing dufulin and pyrazole amide bactericide and bactericide |
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| CN104886122B CN104886122B (en) | 2017-01-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107087610A (en) * | 2017-04-24 | 2017-08-25 | 广西南宁益土生物科技有限责任公司 | Chinese yam polysaccharide as pyrazol acid amide bactericide synergist application |
| CN107087617A (en) * | 2017-04-24 | 2017-08-25 | 广西南宁益土生物科技有限责任公司 | Bactericidal composition containing Chinese yam polysaccharide and isopyrazam |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107087610A (en) * | 2017-04-24 | 2017-08-25 | 广西南宁益土生物科技有限责任公司 | Chinese yam polysaccharide as pyrazol acid amide bactericide synergist application |
| CN107087617A (en) * | 2017-04-24 | 2017-08-25 | 广西南宁益土生物科技有限责任公司 | Bactericidal composition containing Chinese yam polysaccharide and isopyrazam |
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| Publication number | Publication date |
|---|---|
| CN104886122B (en) | 2017-01-25 |
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