CN104285989A - Pesticide composition containing pyraclostrobin and propamidine - Google Patents
Pesticide composition containing pyraclostrobin and propamidine Download PDFInfo
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- CN104285989A CN104285989A CN201410458376.7A CN201410458376A CN104285989A CN 104285989 A CN104285989 A CN 104285989A CN 201410458376 A CN201410458376 A CN 201410458376A CN 104285989 A CN104285989 A CN 104285989A
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- propamidine
- pyraclostrobin
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- WTFXJFJYEJZMFO-UHFFFAOYSA-N propamidine Chemical compound C1=CC(C(=N)N)=CC=C1OCCCOC1=CC=C(C(N)=N)C=C1 WTFXJFJYEJZMFO-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 229960003761 propamidine Drugs 0.000 title claims abstract description 57
- 239000005869 Pyraclostrobin Substances 0.000 title claims abstract description 56
- HZRSNVGNWUDEFX-UHFFFAOYSA-N pyraclostrobin Chemical compound COC(=O)N(OC)C1=CC=CC=C1COC1=NN(C=2C=CC(Cl)=CC=2)C=C1 HZRSNVGNWUDEFX-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 239000000203 mixture Substances 0.000 title claims abstract description 48
- 239000000575 pesticide Substances 0.000 title claims abstract description 28
- 239000004480 active ingredient Substances 0.000 claims abstract description 16
- 244000052769 pathogen Species 0.000 claims abstract description 3
- 230000001717 pathogenic effect Effects 0.000 claims abstract description 3
- 238000009472 formulation Methods 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 3
- 230000000361 pesticidal effect Effects 0.000 claims description 2
- 241000607479 Yersinia pestis Species 0.000 claims 2
- 239000003814 drug Substances 0.000 abstract description 25
- 230000002195 synergetic effect Effects 0.000 abstract description 10
- 201000010099 disease Diseases 0.000 abstract description 6
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 6
- 241001465180 Botrytis Species 0.000 abstract description 2
- 241000223218 Fusarium Species 0.000 abstract 1
- 239000012752 auxiliary agent Substances 0.000 abstract 1
- 244000053095 fungal pathogen Species 0.000 abstract 1
- 230000003449 preventive effect Effects 0.000 description 20
- 238000005507 spraying Methods 0.000 description 14
- 239000000375 suspending agent Substances 0.000 description 12
- 231100000419 toxicity Toxicity 0.000 description 11
- 230000001988 toxicity Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 241000123650 Botrytis cinerea Species 0.000 description 8
- 241000223195 Fusarium graminearum Species 0.000 description 8
- 239000002131 composite material Substances 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 6
- 206010039509 Scab Diseases 0.000 description 5
- 229940079593 drug Drugs 0.000 description 5
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- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 235000007688 Lycopersicon esculentum Nutrition 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 240000003768 Solanum lycopersicum Species 0.000 description 3
- 241000209140 Triticum Species 0.000 description 3
- 235000021307 Triticum Nutrition 0.000 description 3
- 239000003905 agrochemical Substances 0.000 description 3
- 229920005551 calcium lignosulfonate Polymers 0.000 description 3
- RYAGRZNBULDMBW-UHFFFAOYSA-L calcium;3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Ca+2].COC1=CC=CC(CC(CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O RYAGRZNBULDMBW-UHFFFAOYSA-L 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000004562 water dispersible granule Substances 0.000 description 3
- 238000009736 wetting Methods 0.000 description 3
- 239000005995 Aluminium silicate Substances 0.000 description 2
- 240000007087 Apium graveolens Species 0.000 description 2
- 235000015849 Apium graveolens Dulce Group Nutrition 0.000 description 2
- 235000010591 Appio Nutrition 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 235000016623 Fragaria vesca Nutrition 0.000 description 2
- 240000009088 Fragaria x ananassa Species 0.000 description 2
- 235000011363 Fragaria x ananassa Nutrition 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 240000005979 Hordeum vulgare Species 0.000 description 2
- 235000007340 Hordeum vulgare Nutrition 0.000 description 2
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- 230000008485 antagonism Effects 0.000 description 2
- -1 dodecyl sodium sulfonate calcium salt Chemical class 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 239000002917 insecticide Substances 0.000 description 2
- 230000009916 joint effect Effects 0.000 description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
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- 244000215068 Acacia senegal Species 0.000 description 1
- NASPPUKURYESFJ-UHFFFAOYSA-N C(C)C1=C(C=CC=C1)O.C1=CC=CC=C1 Chemical compound C(C)C1=C(C=CC=C1)O.C1=CC=CC=C1 NASPPUKURYESFJ-UHFFFAOYSA-N 0.000 description 1
- 240000008067 Cucumis sativus Species 0.000 description 1
- 235000010799 Cucumis sativus var sativus Nutrition 0.000 description 1
- 102000018832 Cytochromes Human genes 0.000 description 1
- 108010052832 Cytochromes Proteins 0.000 description 1
- 206010059866 Drug resistance Diseases 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241000221785 Erysiphales Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000001293 FEMA 3089 Substances 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 229920000084 Gum arabic Polymers 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 208000003351 Melanosis Diseases 0.000 description 1
- 240000008790 Musa x paradisiaca Species 0.000 description 1
- 235000018290 Musa x paradisiaca Nutrition 0.000 description 1
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 description 1
- 241000233679 Peronosporaceae Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 241000221696 Sclerotinia sclerotiorum Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000205 acacia gum Substances 0.000 description 1
- 235000010489 acacia gum Nutrition 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 239000007884 disintegrant Substances 0.000 description 1
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000857 drug effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
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- QYDYPVFESGNLHU-UHFFFAOYSA-N elaidic acid methyl ester Natural products CCCCCCCCC=CCCCCCCCC(=O)OC QYDYPVFESGNLHU-UHFFFAOYSA-N 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000855 fungicidal effect Effects 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- QYDYPVFESGNLHU-KHPPLWFESA-N methyl oleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC QYDYPVFESGNLHU-KHPPLWFESA-N 0.000 description 1
- 229940073769 methyl oleate Drugs 0.000 description 1
- 230000002438 mitochondrial effect Effects 0.000 description 1
- PSZYNBSKGUBXEH-UHFFFAOYSA-M naphthalene-1-sulfonate Chemical compound C1=CC=C2C(S(=O)(=O)[O-])=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-M 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920005646 polycarboxylate Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229940051841 polyoxyethylene ether Drugs 0.000 description 1
- 229920000056 polyoxyethylene ether Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a pesticide composition with active ingredients being pyraclostrobin and propamidine. The pesticide composition contains a commonly-used auxiliary agent, pyraclostrobin and propamidine. Weight ratio of pyraclostrobin to propamidine is 20:1-1:20. The total weight of pyraclostrobin and propamidine in the pesticide composition is 3-90 wt%. After pyraclostrobin and propamidine are compounded, the pesticide composition has an obvious synergistic effect, and dosage of the active ingredients of the compounded medicine is obviously reduced in comparison with dosage of each active ingredient which is used separately. The pesticide composition is applicable to control crop diseases caused by pathogenic fungi, especially crops' gray mold caused by Botrytis pathogen and crops' gibberellic disease caused by Gibberella pathogen.
Description
Technical field
The present invention relates to a kind of composition pesticide, specifically a kind of composition pesticide containing pyraclostrobin and propamidine.
Background technology
Pyraclostrobin; english common name Pyraclostrobin; for methoxy acrylic series bactericidal agent; for mitochondrial respiratory inhibitor; namely by stoping electro transfer in cytochrome synthesis; have protection, treatment, blade infiltration conduction, preventing and treating powdery mildew of cucumber, downy mildew and banana freckle, leaf spot, stalk break etc. has good control efficiency.
Propamidine, english common name Propamidine, belongs to aromatic diamidino compounds; propamidine is systemic fungicide; in plant body absorption, distribution and metabolism, protection and therapeutic action can be had, be mainly used in preventing and treating the crop gray mold caused by Botrytis pathogen.
The mixture of different pesticide species is the common methods of preventing and treating agriculture resistance disease.Screened by formulation of pesticide, filter out rational formula, can effectively improve actual control efficiency, reduce dosage, reducing costs, delay the generation of disease drug resistance, is the important means of the disease comprehensive regulation.
Pyraclostrobin and the composite protective effect enhanced crop of propamidine, reduce the resistance risk being used alone pyraclostrobin or propamidine and bringing simultaneously, has no pyraclostrobin and the composite report of propamidine at present.
Summary of the invention
The technical problem that the present invention solves be to provide a kind of efficient, low toxicity, quick-acting are good and the lasting period is long, are conducive to the composition pesticide containing pyraclostrobin and propamidine of the disease comprehensive regulation.
For solving the problem, the technical solution adopted in the present invention is: a kind of composition pesticide containing pyraclostrobin and propamidine, comprise usual auxiliaries and pyraclostrobin and propamidine, pyraclostrobin and propamidine ratio of weight and number are 20:1 ~ 1:20, and pyraclostrobin and the percentage by weight of propamidine weight summation in composition pesticide are 3% ~ 90%.
Further: the above-mentioned composition pesticide containing pyraclostrobin and propamidine can according to well known to a person skilled in the art method, adopt suitable insecticides adjuvant, be configured to suspending agent, dispersible oil-suspending agent, water dispersible granules, wetting powder etc. are applicable to the formulation that agriculturally uses.
The insecticides adjuvant used in composition pesticide of the present invention comprises solvent, emulsifier, wetting agent, disintegrant, stabilizing agent, dispersant, thickener, penetrating agent, pH adjusting agent, defoamer, antifreezing agent, carrier etc., and to be of value to active ingredient stable and play the known substance of drug effect in the formulation, be all various compositions that are conventional in pesticidal preparations or permission use, concrete composition and consumption are determined by test according to recipe requirements.
The frequency of administration of composition pesticide of the present invention and amount of application change with crops, insect, weather condition and have small variations, can by the object using suitable dosage reach effectively control.
Compared with prior art, the invention has the advantages that:
1, the control efficiency of composition pesticide of the present invention is significantly improved than single dose, reduces the using dosage of agricultural chemicals, reduces cost.
2, the active ingredient mechanism of action of composition pesticide of the present invention is different, and the application of composition can delay or overcome the drug-fast generation of germ, is conducive to the comprehensive regulation.
Embodiment
Composition pesticide of the present invention comprises usual auxiliaries and pyraclostrobin and propamidine, and pyraclostrobin and propamidine ratio of weight and number are 20:1 ~ 1:20, and pyraclostrobin and the percentage by weight of propamidine weight summation in composition pesticide are 3% ~ 90%.Namely the present invention is by repetition test, and draw preferred formula, show obvious synergistic effect, the control efficiency of composition is significantly improved than single dose, reduces the using dosage of agricultural chemicals, reduces cost.
Be described in further detail content of the present invention below in conjunction with embodiment, content mentioned in embodiment is not limitation of the invention, and in preparation method, the selection of the process conditions such as temperature, time can be suited measures to local conditions and there is no substantial effect to result.
Embodiment 1.
Following material is all weight percentage: pyraclostrobin 30%, propamidine 10%, calcium lignosulfonate 4%, empgen BB 5%, fatty alcohol-polyoxyethylene ether 6%, glycerine 5%, gum Arabic 0.1%, and surplus is deionized water; Above-mentioned formula is pulverized in proportion in advance, then adds in sand mill and grind, the obtained 40% pyraclostrobin propamidine suspending agent of allotment after high shear mixing.
The present embodiment is for preventing and treating graw mold of tomato.The spraying of 120g.a.i./ha thin up pressed by 40% pyraclostrobin propamidine suspending agent, and after medicine, the preventive effect of 7 days, 14 days is respectively 94.3%, 85.7%; The spraying of 150g.a.i./ha thin up pressed by 25% pyraclostrobin suspending agent, and after medicine, 7 days, 14 days preventive effects are respectively 83.6%, 72.2%; The spraying of 250g.a.i./ha thin up pressed by 2% propamidine aqua, and after medicine, 7 days, 14 days preventive effects are respectively 82.5%, 71.4%.Pyraclostrobin and the composite rear synergistic effect of propamidine obvious, to the preventive effect of graw mold of tomato significantly better than single dose, obviously reduce when in compound drug, the amount ratio of active ingredient is used alone, total active ingredient also reduces relatively, thus alleviates carrying capacity of environment, reduces use cost.
The present embodiment is used for preventing and treating wheat scab.The spraying of 100g.a.i./ha thin up pressed by 40% pyraclostrobin propamidine suspending agent, and after medicine, the preventive effect of 7 days, 14 days is respectively 92.5%, 85.6%; The spraying of 120g.a.i./ha thin up pressed by 25% pyraclostrobin suspending agent, and after medicine, 7 days, 14 days preventive effects are respectively 83.2%, 71.8%; The spraying of 200g.a.i./ha thin up pressed by 2% propamidine aqua, and after medicine, 7 days, 14 days preventive effects are respectively 81.8%, 72.9%.Pyraclostrobin and the composite rear synergistic effect of propamidine obvious, to the preventive effect of wheat scab significantly better than single dose, obviously reduce when in compound drug, the amount ratio of active ingredient is used alone, total active ingredient also reduces relatively, thus alleviates carrying capacity of environment, reduces use cost.
Embodiment 2.
Following material is all weight percentage: pyraclostrobin 20%, propamidine 10%, sodium lignin sulfonate 5%, benzene ethylphenol APEO 5%, methyl oleate 20%, organobentonite 10%, dodecyl sodium sulfonate calcium salt 8%, and surplus is turpentine oil; Pulverized in advance in proportion by above-mentioned formula, then add in sand mill and grind, after high shear mixing, the obtained 30% pyraclostrobin propamidine of allotment dispersibles oil-suspending agent.
The present embodiment is for preventing and treating barley scab.30% pyraclostrobin propamidine dispersibles oil-suspending agent by the spraying of 100g.a.i./ha thin up, and after medicine, the preventive effect of 7 days, 14 days is respectively 91.5%, 82.6%; The spraying of 150g.a.i./ha thin up pressed by 25% pyraclostrobin suspending agent, and after medicine, the preventive effect of 7 days, 14 days is respectively 82.8%, 71.0%; The spraying of 200g.a.i./ha thin up pressed by 2% propamidine aqua, and after medicine, 7 days, 14 days preventive effects are respectively 82.6%, 67.8%.Pyraclostrobin and the composite rear synergistic effect of propamidine obvious, to the preventive effect of barley scab significantly better than single dose, obviously reduce when in compound drug, the amount ratio of active ingredient is used alone, total active ingredient also reduces relatively, thus alleviates carrying capacity of environment, reduces use cost.Embodiment 3.
Following material is all weight percentage: pyraclostrobin 50%, propamidine 10%, calcium lignosulfonate 5%, polycarboxylate 6%, glucose 5%, naphthalene sulfonate 4%, and surplus is kaolin.By above-mentioned formula, dry pulverization process, granulation, drying, screening are prepared and obtain 60% pyraclostrobin propamidine water dispersible granules in proportion.
The present embodiment is for preventing and treating celery gray mold.60% pyraclostrobin propamidine water dispersible granules presses the spraying of 100g.a.i./ha thin up, and after medicine, the preventive effect of 7 days, 14 days is respectively 92.7%, 83.9%; The spraying of 150g.a.i./ha thin up pressed by 25% pyraclostrobin suspending agent, and after medicine, 7 days, 14 days preventive effects are respectively 83.2%, 72.5%; The spraying of 200g.a.i./ha thin up pressed by 2% propamidine aqua, and after medicine, 7 days, 14 days preventive effects are respectively 83.1%, 71.8%%.Pyraclostrobin and the composite rear synergistic effect of propamidine obvious, to the preventive effect of celery gray mold significantly better than single dose, obviously reduce when in compound drug, the amount ratio of active ingredient is used alone, total active ingredient also reduces relatively, thus alleviates carrying capacity of environment, reduces use cost.Embodiment 4.
Following material is all weight percentage: pyraclostrobin 40%, propamidine 10%, calcium lignosulfonate 5%, lauryl sodium sulfate 4%, fat alcohol polyethylene ether 5%, white carbon 5%, and surplus is kaolin.Mix entering in blender after above-mentioned formula in proportion coarse crushing, more namely obtain 50% pyraclostrobin propamidine wetting powder after air-flow crushing.
The present embodiment is for preventing and treating grey mould fruit rot of strawberry.The spraying of 120g.a.i./ha thin up pressed by 50% pyraclostrobin propamidine wetting powder, and after medicine, the preventive effect of 7 days, 14 days is respectively 91.7%, 83.3%; 25% pyraclostrobin suspending agent is respectively 81.1%, 70.3% by 7 days, 14 days preventive effects after 150g.a.i./ha medicine; The spraying of 200g.a.i./ha thin up pressed by 2% propamidine aqua, and after medicine, 7 days, 14 days preventive effects are respectively 81.6%, 71.2%.Pyraclostrobin and the composite rear synergistic effect of propamidine obvious, to the preventive effect of grey mould fruit rot of strawberry significantly better than single dose, obviously reduce when in compound drug, the amount ratio of active ingredient is used alone, total active ingredient also reduces relatively, thus alleviates carrying capacity of environment, reduces use cost.
Embodiment 5.
For understanding the synergy type of pyraclostrobin and propamidine mixture further, the present inventor has carried out a large amount of Toxicity Determination tests to pyraclostrobin and propamidine mixture.
According to the abundant method of Sun Yun, the synergy of pharmacy mix is evaluated according to co-toxicity coefficient (CTC), namely CTC≤80 are joint action of antagonism, and 80 < CTC < 120 are joint action of antagonism, and CTC >=120 are synergistic function.
Actual measurement toxicity index (ATI)=(EC50 of the EC50/ reagent agent of standard agent) × 100;
In the toxicity index × mixture of theoretical toxicity index TTI=A medicament the percentage composition+B medicament of A medicament toxicity index × mixture in the percentage composition of B medicament;
Co-toxicity coefficient (CTC)=[the theoretical toxicity index (TTI) of mixture actual measurement toxicity index (ATI)/mixture] × 100.
(1) Toxicity Determination of Botrytis cinerea (Botrytis cinerea) is tested.
Subjects picks up from the graw mold of tomato pathogen Botrytis cinerea (Botrytis cinerea) in field, method reference " People's Republic of China (PRC) agricultural industry criteria NY/T1156.6-2006 ", mycelial growth rate method.
Table 1, pyraclostrobin propamidine are to the Toxicity Determination result of Botrytis cinerea (Botrytis cinerea).
As shown in Table 1, pyraclostrobin and propamidine mixture are between 20:1 ~ 1:20, and have obvious synergistic effect to Botrytis cinerea (Botrytis cinerea), co-toxicity coefficient is all more than 150.
(2) to the Toxicity Determination of Gibberella zeae bacterium (Gibberella zeae).
Subjects is the wheat scab pathogen Gibberella zeae bacterium (Gibberella zeae) of picking up from field, and method is with reference to " People's Republic of China (PRC) agricultural industry criteria NY/T1156.6-2006 " growth rate method.
Table 2, pyraclostrobin propamidine are to the Toxicity Determination result of Gibberella zeae bacterium (Gibberella zeae).
As shown in Table 2, pyraclostrobin and propamidine mixture are between 20:1 ~ 1:20, and have obvious synergistic effect to Gibberella zeae bacterium (Gibberella zeae), co-toxicity coefficient is all more than 150.
In sum, the control efficiency of composition pesticide of the present invention is significantly improved than single dose, reduces using dosage and the cost of manufacture of agricultural chemicals.Therefore pyraclostrobin and propamidine mixture have reasonability and feasibility.
Claims (4)
1. one kind contains the composition pesticide of pyraclostrobin and propamidine, it is characterized in that: active ingredient is pyraclostrobin and propamidine, pyraclostrobin and propamidine ratio of weight and number are 20:1 ~ 1:20, and pyraclostrobin and the percentage by weight of propamidine weight summation in composition pesticide are 3% ~ 90%.
2. composition pesticide according to claim 1, is characterized in that: also containing pesticidal preparations auxiliary element in described composition pesticide, to make the formulation being applicable to agriculturally using.
3. composition pesticide according to claim 1 is applicable to control by the fungus-caused crop pest of pathogen.
4. composition pesticide according to claim 3, is characterized in that: described crop pest is gray mold, head blight.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104686515A (en) * | 2015-03-11 | 2015-06-10 | 京博农化科技股份有限公司 | Trifloxystrobin and propamidine containing bactericidal composition |
| CN106719723A (en) * | 2016-11-25 | 2017-05-31 | 江西正邦生物化工有限责任公司 | A kind of composition pesticide containing propamidine and tetramycin |
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| WO2010149369A1 (en) * | 2009-06-24 | 2010-12-29 | Bayer Cropscience Ag | Combinations of fungicidally active yeast and fungicides |
| CN103518726A (en) * | 2013-10-12 | 2014-01-22 | 京博农化科技股份有限公司 | Sterilizing composition containing boscalid and propamidine |
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Patent Citations (3)
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|---|---|---|---|---|
| CN1613847A (en) * | 2004-09-13 | 2005-05-11 | 西北农林科技大学无公害农药研究服务中心 | Aromatic diamidine compound with bactericidal activity and application thereof |
| WO2010149369A1 (en) * | 2009-06-24 | 2010-12-29 | Bayer Cropscience Ag | Combinations of fungicidally active yeast and fungicides |
| CN103518726A (en) * | 2013-10-12 | 2014-01-22 | 京博农化科技股份有限公司 | Sterilizing composition containing boscalid and propamidine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104686515A (en) * | 2015-03-11 | 2015-06-10 | 京博农化科技股份有限公司 | Trifloxystrobin and propamidine containing bactericidal composition |
| CN106719723A (en) * | 2016-11-25 | 2017-05-31 | 江西正邦生物化工有限责任公司 | A kind of composition pesticide containing propamidine and tetramycin |
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| CN104285989B (en) | 2017-06-23 |
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