CN103380777A - Sterilizing composition containing tiadinil - Google Patents
Sterilizing composition containing tiadinil Download PDFInfo
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- CN103380777A CN103380777A CN2012101392612A CN201210139261A CN103380777A CN 103380777 A CN103380777 A CN 103380777A CN 2012101392612 A CN2012101392612 A CN 2012101392612A CN 201210139261 A CN201210139261 A CN 201210139261A CN 103380777 A CN103380777 A CN 103380777A
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- tiadinil
- active component
- bactericidal composition
- weight ratio
- spot
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- VJQYLJSMBWXGDV-UHFFFAOYSA-N tiadinil Chemical compound N1=NSC(C(=O)NC=2C=C(Cl)C(C)=CC=2)=C1C VJQYLJSMBWXGDV-UHFFFAOYSA-N 0.000 title claims abstract description 92
- 239000000203 mixture Substances 0.000 title claims abstract description 46
- 230000001954 sterilising effect Effects 0.000 title abstract 3
- TWFZGCMQGLPBSX-UHFFFAOYSA-N Carbendazim Natural products C1=CC=C2NC(NC(=O)OC)=NC2=C1 TWFZGCMQGLPBSX-UHFFFAOYSA-N 0.000 claims abstract description 39
- 201000010099 disease Diseases 0.000 claims abstract description 34
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims abstract description 34
- 239000005820 Prochloraz Substances 0.000 claims abstract description 26
- TVLSRXXIMLFWEO-UHFFFAOYSA-N prochloraz Chemical compound C1=CN=CN1C(=O)N(CCC)CCOC1=C(Cl)C=C(Cl)C=C1Cl TVLSRXXIMLFWEO-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000005754 Cyazofamid Substances 0.000 claims abstract description 25
- 239000005842 Thiophanate-methyl Substances 0.000 claims abstract description 25
- YXKMMRDKEKCERS-UHFFFAOYSA-N cyazofamid Chemical compound CN(C)S(=O)(=O)N1C(C#N)=NC(Cl)=C1C1=CC=C(C)C=C1 YXKMMRDKEKCERS-UHFFFAOYSA-N 0.000 claims abstract description 25
- QGHREAKMXXNCOA-UHFFFAOYSA-N thiophanate-methyl Chemical group COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC QGHREAKMXXNCOA-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000006013 carbendazim Substances 0.000 claims abstract description 17
- 150000003839 salts Chemical class 0.000 claims abstract description 17
- JNPZQRQPIHJYNM-UHFFFAOYSA-N carbendazim Chemical compound C1=C[CH]C2=NC(NC(=O)OC)=NC2=C1 JNPZQRQPIHJYNM-UHFFFAOYSA-N 0.000 claims abstract 3
- 239000000375 suspending agent Substances 0.000 claims description 46
- 235000007164 Oryza sativa Nutrition 0.000 claims description 23
- 235000009566 rice Nutrition 0.000 claims description 23
- 230000000844 anti-bacterial effect Effects 0.000 claims description 20
- 239000000843 powder Substances 0.000 claims description 14
- 238000009736 wetting Methods 0.000 claims description 14
- 241000233679 Peronosporaceae Species 0.000 claims description 13
- 239000003094 microcapsule Substances 0.000 claims description 13
- 241000221785 Erysiphales Species 0.000 claims description 12
- 206010039509 Scab Diseases 0.000 claims description 12
- 239000000839 emulsion Substances 0.000 claims description 12
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 12
- 239000000725 suspension Substances 0.000 claims description 9
- 244000144730 Amygdalus persica Species 0.000 claims description 8
- 241001530056 Athelia rolfsii Species 0.000 claims description 8
- 206010064458 Penicilliosis Diseases 0.000 claims description 8
- 235000006040 Prunus persica var persica Nutrition 0.000 claims description 8
- 241000221696 Sclerotinia sclerotiorum Species 0.000 claims description 8
- 230000035613 defoliation Effects 0.000 claims description 8
- 239000004530 micro-emulsion Substances 0.000 claims description 6
- 239000004562 water dispersible granule Substances 0.000 claims description 6
- 241000607479 Yersinia pestis Species 0.000 claims description 2
- 240000007594 Oryza sativa Species 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000001228 spectrum Methods 0.000 abstract description 3
- 238000004659 sterilization and disinfection Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 50
- 239000003814 drug Substances 0.000 description 45
- 239000002131 composite material Substances 0.000 description 35
- 230000003449 preventive effect Effects 0.000 description 27
- 241000209094 Oryza Species 0.000 description 22
- 230000002195 synergetic effect Effects 0.000 description 20
- 239000000575 pesticide Substances 0.000 description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 239000013530 defoamer Substances 0.000 description 14
- 239000002270 dispersing agent Substances 0.000 description 14
- 239000012071 phase Substances 0.000 description 14
- 239000008367 deionised water Substances 0.000 description 11
- 229910021641 deionized water Inorganic materials 0.000 description 11
- 239000003995 emulsifying agent Substances 0.000 description 10
- 239000002904 solvent Substances 0.000 description 10
- 239000000080 wetting agent Substances 0.000 description 10
- 230000002528 anti-freeze Effects 0.000 description 9
- 239000002562 thickening agent Substances 0.000 description 9
- 229910021380 Manganese Chloride Inorganic materials 0.000 description 8
- 206010067482 No adverse event Diseases 0.000 description 8
- 230000010165 autogamy Effects 0.000 description 8
- 229940079593 drug Drugs 0.000 description 8
- 238000011835 investigation Methods 0.000 description 8
- 229940099607 manganese chloride Drugs 0.000 description 8
- 239000011565 manganese chloride Substances 0.000 description 8
- OXOKTPUZOHPXSA-UHFFFAOYSA-L manganese(2+);n-propyl-n-[2-(2,4,6-trichlorophenoxy)ethyl]imidazole-1-carboxamide;dichloride Chemical compound Cl[Mn]Cl.C1=CN=CN1C(=O)N(CCC)CCOC1=C(Cl)C=C(Cl)C=C1Cl.C1=CN=CN1C(=O)N(CCC)CCOC1=C(Cl)C=C(Cl)C=C1Cl.C1=CN=CN1C(=O)N(CCC)CCOC1=C(Cl)C=C(Cl)C=C1Cl.C1=CN=CN1C(=O)N(CCC)CCOC1=C(Cl)C=C(Cl)C=C1Cl OXOKTPUZOHPXSA-UHFFFAOYSA-L 0.000 description 8
- 239000004563 wettable powder Substances 0.000 description 8
- 240000008067 Cucumis sativus Species 0.000 description 7
- 235000010799 Cucumis sativus var sativus Nutrition 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 231100000820 toxicity test Toxicity 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000003381 stabilizer Substances 0.000 description 6
- 206010011732 Cyst Diseases 0.000 description 5
- 239000004480 active ingredient Substances 0.000 description 5
- 208000031513 cyst Diseases 0.000 description 5
- 230000005764 inhibitory process Effects 0.000 description 5
- 229920002521 macromolecule Polymers 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 241000223600 Alternaria Species 0.000 description 4
- 235000007688 Lycopersicon esculentum Nutrition 0.000 description 4
- 235000014443 Pyrus communis Nutrition 0.000 description 4
- 241000220317 Rosa Species 0.000 description 4
- 240000003768 Solanum lycopersicum Species 0.000 description 4
- 241000209140 Triticum Species 0.000 description 4
- 235000021307 Triticum Nutrition 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 238000009472 formulation Methods 0.000 description 4
- 239000003002 pH adjusting agent Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000004094 surface-active agent Substances 0.000 description 4
- 239000003905 agrochemical Substances 0.000 description 3
- -1 antifreeze Substances 0.000 description 3
- 239000008346 aqueous phase Substances 0.000 description 3
- 238000000498 ball milling Methods 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- 230000008485 antagonism Effects 0.000 description 2
- 239000003899 bactericide agent Substances 0.000 description 2
- 239000007884 disintegrant Substances 0.000 description 2
- 239000002552 dosage form Substances 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 230000009036 growth inhibition Effects 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- 230000001018 virulence Effects 0.000 description 2
- 235000009024 Ceanothus sanguineus Nutrition 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 240000003553 Leptospermum scoparium Species 0.000 description 1
- 235000015459 Lycium barbarum Nutrition 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000857 drug effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000000855 fungicidal effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 150000002696 manganese Chemical class 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000825 pharmaceutical preparation Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
A disclsoed sterilizing composition containing tiadinil comprises an active component A and an active component B with a weight ratio of 1:80-60:1, wherein the active component A is tiadinil, and the active component B is any one compound selected from thiophanate methyl, prochloraz and salts of the same, carbendazim and cyazofamid. The composition has higher activity on multiple diseases of multiple crops, has a substantial synergy effect, and helps to expand sterilization spectrum; and also the composition has the characteristics of being small in use amount, resistant in rainwash and obvious in synergy.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of application of bactericidal composition on crop pest that contains tiadinil.
Technical background
Tiadinil (Tiadinil), molecular formula: C
11H
10ClN
3OS, chemical name: 3'-chloro-4,4'-dimethyl-1,2, absorption in 3-thiadiazoles-5-formailide, this medicament have well can be passed through root absorption, and be transmitted to rapidly other positions, be suitable for the water surface and use, the lasting period is long, and leaf blast disease and fringe rice blast are had control efficiency preferably.
Thiophanate-methyl, Prochloraz and salt, carbendazim, cyazofamid are all some common wide-spectrum bactericides, and manganese salt, mantoquita, the zinc salt of Prochloraz also have good bactericidal activity simultaneously, are widely used on agricultural.
Summary of the invention
Tiadinil, thiophanate-methyl, Prochloraz and salt, carbendazim, the long-term use of cyazofamid single dose may bring degradation problem under resistance generation, drug effect, the bactericidal composition that the present invention proposes contains active components A and active component B, and appropriate surfactant and carrier.
A kind of bactericidal composition that contains tiadinil, contain active components A and active component B, active components A and active component B weight ratio are 1 ︰ 80 ~ 60 ︰ 1, described active components A is selected from tiadinil, and active component B is selected from a kind of in thiophanate-methyl, Prochloraz and salt, carbendazim, cyazofamid.The more excellent weight ratio of active components A and active component B is 1 ︰ 60 ~ 40 ︰ 1; More preferably the weight ratio of tiadinil and thiophanate-methyl is 1 ︰ 30 ~ 5 ︰ 1, the weight ratio of tiadinil and Prochloraz and salt is 1 ︰ 20 ~ 20 ︰ 1, the weight ratio of tiadinil and carbendazim is 1 ︰ 30 ~ 5 ︰ 1, and the weight ratio of tiadinil and cyazofamid is 1 ︰ 10 ~ 20 ︰ 1.
The described bactericidal composition that contains tiadinil is used for the disease of control crop, and described crop comprises fruit tree, vegetables, cereal crops, tea tree, ornamental plants, forest, lawn.
Described disease comprises rice blast, brown spot, leaf blight, banded sclerotial blight, powdery mildew, rust, late blight, leaf spot, downy mildew, ring spot, spot defoliation, scab, anthracnose, head blight, rot, gray mold, graywall, leaf spot, gray mold, peach brown rot, smut, penicilliosis, green mould, stalk break, bakanae disease.
Amount of application when in the present composition, the content of active component depends on independent use also depends on mixed ratio and the synergistic effect degree of a kind of compound and another kind of compound, and the while is also relevant with the target disease.Usually in composition, the weight percentage of active component is 1%~90% of gross weight, and better is 5%~80%.According to different preparation types, the active component content scope is different.Usually, liquid preparation contains 1%~60% active substance by weight, is preferably 5%~50%; Solid pharmaceutical preparation contains 5%~80% active substance by weight, is preferably 10%~80%.
At least contain a kind of surfactant in bactericidal composition of the present invention, the dispersion of active component in water when being beneficial to use.Surface-active contents is 2%~30% of total formulation weight amount, and surplus is solid or liquid diluent.
The selected surfactant of bactericidal composition of the present invention is known in those skilled in the art: can be selected from one or more in dispersant, wetting agent, thickener or defoamer.According to different dosage form, can also contain stabilizing agent known in those skilled in the art, antifreeze etc. in preparation.
Bactericidal composition of the present invention can be by the user before use through dilution or directly use.Its preparation can be by processing method known in those skilled in the art preparation, is about to active component and after liquid flux or solid carrier mix, then adds one or more in surfactant such as dispersant, stabilizing agent, wetting agent, binding agent, defoamer etc.
Bactericidal composition of the present invention can be processed into acceptable formulation on any agricultural chemicals on demand, and wherein preferred dosage form is wetting powder, water dispersible granules, suspending agent, suspension emulsion, microemulsion, aqueous emulsion, microcapsule suspending agent, microcapsule suspension-suspending agent.
When making wetting powder, composition comprises following component and content: active components A 1% ~ 60%, active component B1% ~ 80%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, filler surplus.
When making water dispersible granules, composition comprises following component and content: active components A 1% ~ 60%, active component B 1% ~ 80%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, disintegrant 1% ~ 10%, binding agent 0 ~ 8%, filler surplus.
Comprise following component and content when composition is made suspending agent: active components A 1% ~ 50%, active component B 1% ~ 50%, dispersant 1% ~ 10%, wetting agent 1% ~ 10%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, antifreeze 0 ~ 8%, deionized water add to 100%.
Comprise following component and content when composition is made suspension emulsion: active components A 1% ~ 50%, active component B1% ~ 50%, emulsifier 1% ~ 10%, dispersant 1% ~ 10%, solvent 0 ~ 20%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, antifreeze 0 ~ 8%, stabilizing agent 0 ~ 3%, deionized water add to 100%.
Comprise following component and content when composition is made microemulsion: active components A 1% ~ 50%, active component B 1% ~ 50%, emulsifier 3% ~ 25%, solvent 1% ~ 10%, antifreeze 0 ~ 8%, stabilizing agent 0 ~ 3%, defoamer 0.01% ~ 2%, deionized water add to 100%.
Comprise following component and content when composition is made aqueous emulsion: active components A 1% ~ 50%, active component B1% ~ 50%, solvent 1% ~ 20%, emulsifier 1% ~ 12%, antifreeze 0 ~ 8%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, deionized water add to 100%.
When making microcapsule suspending agent, composition comprises following component and content: active components A
1% ~ 50%, active component B 1% ~ 50%, macromolecule cyst material 1% ~ 10%, dispersant 2% ~ 10%, solvent 1% ~ 10%, emulsifier 1% ~ 7%, pH adjusting agent 0.01% ~ 5%, defoamer 0.01% ~ 2%, deionized water add to 100%.
Composition comprises following component and content when making microcapsule suspension-suspending agent: active components A 1% ~ 50%, active component B1% ~ 50%, macromolecule cyst material 1% ~ 12%, dispersant 1%-12%, wetting agent 1%-8%, solvent 1% ~ 15%, emulsifier 1% ~ 8%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, pH adjusting agent 0.01% ~ 5%, deionized water add to 100%.
Wetting powder the key technical indexes of the present invention:
Water dispersible granules the key technical indexes of the present invention:
Suspending agent the key technical indexes of the present invention:
Suspension emulsion the key technical indexes of the present invention:
Microemulsion the key technical indexes of the present invention:
Aqueous emulsion the key technical indexes of the present invention:
Microcapsule suspending agent the key technical indexes of the present invention:
Microcapsule suspension of the present invention-suspending agent the key technical indexes:
The invention has the advantages that:
(1) present composition has good synergy and lasting effect within the specific limits, and preventive effect is higher than single dose; (2) the agricultural chemicals dosage reduces, and reduces the residual quantity of agricultural chemicals on crop, alleviates environmental pollution; (3) enlarged fungicidal spectrum, multiple diseases such as rice blast, brown spot, leaf blight, banded sclerotial blight, powdery mildew, rust, late blight, leaf spot, downy mildew, ring spot, spot defoliation, scab, anthracnose, head blight, rot, gray mold, graywall, leaf spot, gray mold, peach brown rot, smut, penicilliosis, green mould, stalk break, bakanae disease have been had greater activity.
Embodiment
To further instruction of the present invention, the percentage in embodiment all is weight percentage below in conjunction with embodiment, but the present invention is not limited thereto.
Application Example one: the tiadinil composite product embodiments (following content is and amounts to percentage composition) of being correlated with.
Example 1 ~ 15 wetting powder
Tiadinil, active ingredient B, dispersant, wetting agent, filler are mixed, mix in mixed cylinder, mix again after airslide disintegrating mill is pulverized, namely can be made into wetting powder product of the present invention.Specifically see Table 1.
Table 1 example 1 ~ 15 each component and content
Example 16 ~ 26 water dispersible granules
Tiadinil, active ingredient B, dispersant, wetting agent, binding agent, disintegrant, filler are obtained the particle diameter of needs together through air-flow crushing, obtain the materials of granulating.With item quantitatively send in the fluidized bed granulation dryer through granulation and drying after, make water dispersible granules product of the present invention.Specifically see Table 2.
Table 2 example 16 ~ 26 each component and content
Example 27 ~ 38 suspending agents
Dispersant, wetting agent, defoamer, thickener, antifreeze are mixed through high speed shear, add tiadinil, active ingredient B, surplus is supplied with deionized water, ball milling is 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μ m, make oil-suspending agent product of the present invention.Specifically see Table 3.
Table 3 example 27 ~ 38 each component and content
Example 39 ~ 44 suspension emulsions
Dispersant, defoamer, thickener, antifreeze, stabilizing agent, solvent in above-mentioned formulation material are mixed through high speed shear, add tiadinil, ball milling is 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μ m, make the tiadinil suspending agent, then with active component B, emulsifier and various auxiliary agent with the direct emulsification of high speed agitator in suspending agent, make suspension emulsion product of the present invention.Specifically see Table 4.
Table 4 example 39 ~ 44 each component and content
Example 45 ~ 48 microemulsions
Tiadinil, active ingredient B are dissolved in the homogenizer that solvent is housed, emulsifier, antifreeze, defoamer, stabilizing agent are joined in the homogenizer that mentioned solution is housed, give strong the mixing and homogenize after surplus is supplied with deionized water, obtain at last the as clear as crystal microemulsion product of the present invention of outward appearance.Specifically see Table 5.
Table 5 example 45 ~ 48 each component and content
Example 49 ~ 58 aqueous emulsions
Tiadinil, active ingredient B, solvent, emulsifier are added together, make to be dissolved into even oil phase; Deionized water, antifreeze, thickener, defoamer are mixed, become the homogeneous water.Under high-speed stirred, water is added oil phase, make aqueous emulsion product of the present invention.Specifically see Table 6.
Table 6 example 49 ~ 58 each component and content
Example 59 ~ 62 microcapsule suspending agents
With tiadinil, active component B, macromolecule cyst material, solvent, make and be dissolved into even oil phase, under shearing condition, oil phase is joined in the aqueous phase solution that contains emulsifier, pH adjusting agent, dispersant, defoamer, surplus is supplied with deionized water, bi-material reacts at oil-water interfaces, forms the macromolecule cyst wall, makes the finely disseminated microcapsule suspending agent product of the present composition.Specifically see Table 7.
Table 7 example 59 ~ 62 each component and content
Example 63,64 microcapsule suspensions-suspending agent
With active component B, macromolecule cyst material, solvent, make to be dissolved into even oil phase, oil phase is joined in the aqueous phase solution that contains emulsifier, pH adjusting agent under shearing condition, make finely disseminated microcapsule suspending agent.Dispersant, wetting agent, defoamer, thickener are mixed through high speed shear, add tiadinil, ball milling is 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μ m, make suspending agent, then suspending agent is joined in the aqueous phase solution of micro-capsule suspension, deionized water is supplied surplus, makes the finely disseminated microcapsule suspension of the present composition-suspending agent product.Specifically see Table 8.
Table 8 example 63,64 each component and content
Active component B thiophanate-methyl, Prochloraz and salt, carbendazim, cyazofamid in table 1 ~ 8 are exchanged, can make novel formulation.
The embodiment of the present invention is the method that adopts Toxicity Determination and field trial to combine.First by Toxicity Determination, the synergy ratio (SR) after clear and definite two kinds of medicaments are composite by a certain percentage, SR<0.5 is antagonism, and 0.5≤SR≤1.5 are summation action, and SR>1.5 are synergistic effect, on this basis, then carry out field trial.
Test method: after the effective inhibition concentration scope of each medicament was determined in prerun, medicament was established respectively 5 dosage by active constituent content and is processed, and established the clear water contrast.Carry out with reference to " farm-chemical indoor determination test rule bactericide ", adopt the mycelial growth rate method to measure medicament to the virulence of crop germ.Measure colony diameter with the right-angled intersection method after 72h, calculate and respectively process net growth, mycelial growth inhibition rate.
Net growth (mm)=measurement colony diameter-5
Mycelial growth inhibition rate is converted into probit value (y), and liquor strength (μ g/mL) converts logarithm value (x) to, tries to achieve virulence regression equation (y=a+bx) with method of least squares, and calculates thus the EC of every kind of medicament
50Value.Calculate the different proportioning synergy ratios (SR) of two medicaments according to the Wadley method simultaneously, SR<0.5 is antagonism, and 0.5≤SR≤1.5 are summation action, and SR>1.5 are synergistic effect.Computing formula is as follows:
Wherein: a, b are respectively active components A and active component B shared ratio in combination;
A is tiadinil;
B selects a kind of to thiophanate-methyl, Prochloraz and salt, carbendazim, the cyazofamid.
Application Example two:
For trying disease: rice blast.
Test medicine provides by Shaanxi Welch Crop Protection Co., Ltd..
Experimental scheme: determine that through preliminary experiment tiadinil reaches both effective inhibition concentration scopes of different proportioning mixtures from thiophanate methyl raw pesticide.
The composite toxicity test analysis of results table to rice blast of table 9 tiadinil and thiophanate-methyl
As shown in Table 9, tiadinil and thiophanate-methyl proportioning when 1 ︰ 80 ~ 60 ︰ 1 to the synergy ratio SR of rice blast all greater than 1.5, illustrating that both are mixed in 1 ︰ 80 ~ 60 ︰ 1 scopes all shows synergistic effect, when the proportioning of tiadinil and thiophanate-methyl during at 1 ︰ 30 ~ 5 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.20.Especially synergy ratio is maximum when tiadinil and thiophanate-methyl weight ratio are 1:5, and synergistic effect is the most obvious.testing through the applicant proportioning of finding tiadinil and thiophanate-methyl is 5:1, 1:1, 1:2, 1:3, 1:4, 1:5, 1:6, 1:7, 1:8, 1:9, 1:10, 1:11, 1:12, 1:13, 1:14, 1:15, 1:16, 1:17, 1:18, 1:19, 1:20, 1:25, during 1:30, tiadinil and thiophanate-methyl are composite to rice blast, brown spot, leaf blight, banded sclerotial blight, powdery mildew, rust, late blight, leaf spot, downy mildew, ring spot, spot defoliation, scab, anthracnose, head blight, rot, gray mold, graywall, leaf spot, gray mold, peach brown rot, smut, penicilliosis, green mould, stalk break, the control of bakanae disease has obvious synergistic effect, synergy ratio is all more than 1.50.
Application Example three:
For trying disease: bakanae disease of rice.
Test medicine provides by Shaanxi Welch Crop Protection Co., Ltd..
Experimental scheme: determine that through preliminary experiment tiadinil reaches both effective inhibition concentration scopes of different proportioning mixtures from Prochloraz and the former medicine of salt.
The toxicity test result
The composite toxicity test analysis of results table to bakanae disease of rice of table 10 tiadinil and Prochloraz and salt
As shown in Table 10, tiadinil and Prochloraz and salt proportioning when 1 ︰ 80 ~ 60 ︰ 1 to the synergy ratio SR of bakanae disease of rice all greater than 1.5, illustrating that both are mixed in 1 ︰ 80 ~ 60 ︰ 1 scopes all shows synergistic effect, when the proportioning of tiadinil and Prochloraz and salt during at 1 ︰ 20 ~ 20 ︰ 1, synergistic effect is more obviously outstanding, and synergy ratio is all more than 2.00.Especially synergy ratio is maximum when tiadinil and Prochloraz and salt weight ratio are 1:1, and synergistic effect is the most obvious.testing through the applicant proportioning of finding tiadinil and Prochloraz and salt is 20:1, 15:1, 10:1, 9:1, 8:1, 7:1, 6:1, 5:1, 1:1, 1:2, 1:3, 1:4, 1:5, 1:6, 1:7, 1:8, 1:9, 1:10, 1:11, 1:12, 1:13, 1:14, 1:15, during 1:20, tiadinil and Prochloraz and salt are composite to rice blast, brown spot, leaf blight, banded sclerotial blight, powdery mildew, rust, late blight, leaf spot, downy mildew, ring spot, spot defoliation, scab, anthracnose, head blight, rot, gray mold, graywall, leaf spot, gray mold, peach brown rot, smut, penicilliosis, green mould, the control of stalk break has obvious synergistic effect, synergy ratio is all more than 1.50.
Application Example four:
For trying disease: ring rot of apple.
Test medicine provides by Shaanxi Welch Crop Protection Co., Ltd..
Experimental scheme: determine that through preliminary experiment tiadinil reaches both effective inhibition concentration scopes of different proportioning mixtures from carbendazim active compound.
The toxicity test result
The composite toxicity test analysis of results table to ring rot of apple of table 11 tiadinil and carbendazim
As shown in Table 11, tiadinil and carbendazim proportioning when 1 ︰ 80 ~ 60 ︰ 1 to the synergy ratio SR of ring rot of apple all greater than 1.5, illustrating that both are mixed in 1 ︰ 80 ~ 60 ︰ 1 scopes all shows synergistic effect, when the proportioning of tiadinil and carbendazim during at 1 ︰ 30 ~ 5 ︰ 1, synergistic effect is more obviously outstanding, and synergy ratio is all more than 2.20.Especially synergy ratio is maximum when tiadinil and carbendazim weight ratio are 1:5, and synergistic effect is the most obvious.testing through the applicant proportioning of finding tiadinil and carbendazim is 5:1, 1:1, 1:2, 1:3, 1:4, 1:5, 1:6, 1:7, 1:8, 1:9, 1:10, 1:11, 1:12, 1:13, 1:14, 1:15, 1:16, 1:17, 1:18, 1:19, 1:20, 1:25, during 1:30, tiadinil and carbendazim are composite to rice blast, brown spot, leaf blight, banded sclerotial blight, powdery mildew, rust, late blight, leaf spot, downy mildew, spot defoliation, scab, anthracnose, head blight, rot, gray mold, graywall, leaf spot, gray mold, peach brown rot, smut, penicilliosis, green mould, stalk break, the control of bakanae disease has obvious synergistic effect, synergy ratio is all more than 1.50.
Application Example five:
For trying disease: cucumber downy mildew.
Test medicine provides by Shaanxi Welch Crop Protection Co., Ltd..
Experimental scheme: determine that through preliminary experiment the former medicine of tiadinil and cyazofamid reaches both effective inhibition concentration scopes of different proportioning mixtures.
The toxicity test result
Table 12 tiadinil and cyazofamid are composite to cucumber cream
The toxicity test analysis of results table of mildew
As shown in Table 12, tiadinil and cyazofamid proportioning when 1 ︰ 80 ~ 60 ︰ 1 to the synergy ratio SR of cucumber downy mildew all greater than 1.5, illustrating that both are mixed in 1 ︰ 80 ~ 60 ︰ 1 scopes all shows synergistic effect, when the proportioning of tiadinil and cyazofamid during at 1 ︰ 10 ~ 20 ︰ 1, synergistic effect is more obviously outstanding, and synergy ratio is all more than 2.0.Especially synergy ratio is maximum when tiadinil and cyazofamid weight ratio are 2:1, and synergistic effect is the most obvious.testing through the applicant proportioning of finding tiadinil and cyazofamid is 20:1, 15:1, 14:1, 13:1, 12:1, 11:1, 10:1, 9:1, 8:1, 7:1, 6:1, 5:1, 4:1, 3:1, 2:1, 1:1, 1:2, 1:3, 1:4, 1:5, 1:6, 1:7, 1:8, 1:9, during 1:10, tiadinil and cyazofamid are composite to rice blast, brown spot, leaf blight, banded sclerotial blight, powdery mildew, rust, late blight, leaf spot, ring spot, spot defoliation, scab, anthracnose, head blight, rot, gray mold, graywall, leaf spot, gray mold, peach brown rot, smut, penicilliosis, green mould, stalk break, the control of bakanae disease has obvious synergistic effect, synergy ratio is all more than 1.50.
Application Example six tiadinils and active component B and the composite control pear scab test of pesticide effectiveness thereof
This test arrangement is in the Xianyang, Shanxi province city; test medicine is researched and developed, is provided by Shaanxi Welch Crop Protection Co., Ltd., contrast medicament 24% tiadinil suspending agent (autogamy), 500 grams per liter thiophanate-methyl suspending agents (commercial), 25% Prochloraz missible oil (commercial), 50% prochloraz-manganese chloride complex wetting powder (commercial), 80% carbendazol wettable powder (commercial), 100 grams per liter cyazofamid suspending agents (commercial).
The investigation pear scab state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, dispenser in every 7 days once is total to dispenser 2 times.Investigated respectively disease index and calculated preventive effect in 7 days, 14 days, 30 days after dispenser for the second time.Experimental result is as follows:
Table 13 tiadinil and active component B and the composite control pear scab test of pesticide effectiveness thereof
As can be seen from Table 13, can effectively prevent and treat pear scab after tiadinil and active component B are composite, control efficiency all is better than the preventive effect of single dose, and the preventive effect phase is long.In the test scope of medication, the target crop is had no adverse effects.
Application Example seven tiadinils and active component B and the composite wheat rust test of pesticide effectiveness of preventing and treating thereof
This test arrangement is in Sanyuan County, Xianyang, Shanxi province city; test medicine is researched and developed, is provided by Shaanxi Welch Crop Protection Co., Ltd., contrast medicament 24% tiadinil suspending agent (autogamy), 500 grams per liter thiophanate-methyl suspending agents (commercial), 25% Prochloraz missible oil (commercial), 50% prochloraz-manganese chloride complex wetting powder (commercial), 80% carbendazol wettable powder (commercial), 100 grams per liter cyazofamid suspending agents (commercial).
The investigation wheat rust state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, dispenser in every 7 days once is total to dispenser 2 times.Investigated respectively disease index and calculated preventive effect in 7 days, 14 days, 30 days after dispenser for the second time.Experimental result is as follows:
Table 14 tiadinil and active component B and the composite wheat rust test of pesticide effectiveness of preventing and treating thereof
As can be seen from Table 14, can effectively prevent and treat wheat rust after tiadinil and active component B are composite, control efficiency all is better than the preventive effect of single dose, and the preventive effect phase is long.In the test scope of medication, the target crop is had no adverse effects.
Application Example eight tiadinils and active component B and the composite control alternaria leaf spot of apple test of pesticide effectiveness thereof
This test arrangement is in the Xianyang, Shanxi province city; test medicine is researched and developed, is provided by Shaanxi Welch Crop Protection Co., Ltd., contrast medicament 24% tiadinil suspending agent (autogamy), 500 grams per liter thiophanate-methyl suspending agents (commercial), 25% Prochloraz missible oil (commercial), 50% prochloraz-manganese chloride complex wetting powder (commercial), 80% carbendazol wettable powder (commercial), 100 grams per liter cyazofamid suspending agents (commercial).
The investigation alternaria leaf spot of apple state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, dispenser in every 7 days once is total to dispenser 3 times.Investigated respectively disease index and calculated preventive effect in 7 days, 14 days, 30 days after dispenser for the third time.Experimental result is as follows:
Table 15 tiadinil and active component B and the composite control alternaria leaf spot of apple test of pesticide effectiveness thereof
As can be seen from Table 15, can effectively prevent and treat alternaria leaf spot of apple after tiadinil and active component B are composite, control efficiency all is better than the preventive effect of single dose, and the preventive effect phase is long.In the test scope of medication, the target crop is had no adverse effects.
Application Example nine tiadinils and active component B and the composite rice sheath blight disease test of pesticide effectiveness of preventing and treating thereof
This test arrangement is at Shaanxi Province's Hanzhong City; test medicine is researched and developed, is provided by Shaanxi Welch Crop Protection Co., Ltd., contrast medicament 24% tiadinil suspending agent (autogamy), 500 grams per liter thiophanate-methyl suspending agents (commercial), 25% Prochloraz missible oil (commercial), 50% prochloraz-manganese chloride complex wetting powder (commercial), 80% carbendazol wettable powder (commercial), 100 grams per liter cyazofamid suspending agents (commercial).
The investigation rice sheath blight disease state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, dispenser in every 7 days once is total to dispenser 2 times.Investigated respectively disease index and calculated preventive effect in 7 days, 14 days, 30 days after dispenser for the second time.Experimental result is as follows:
Table 16 tiadinil and active component B and the composite rice sheath blight disease test of pesticide effectiveness of preventing and treating thereof
As can be seen from Table 16, can effectively prevent and treat rice sheath blight disease after tiadinil and active component B are composite, control efficiency all is better than the preventive effect of single dose, and the preventive effect phase is long.In the test scope of medication, the target crop is had no adverse effects.
Application Example ten tiadinils and active component B and the composite control cucumber downy mildew test of pesticide effectiveness thereof
This test arrangement is in the Jingyang County, Shaanxi Province; test medicine is researched and developed, is provided by Shaanxi Welch Crop Protection Co., Ltd., contrast medicament 24% tiadinil suspending agent (autogamy), 500 grams per liter thiophanate-methyl suspending agents (commercial), 25% Prochloraz missible oil (commercial), 50% prochloraz-manganese chloride complex wetting powder (commercial), 80% carbendazol wettable powder (commercial), 100 grams per liter cyazofamid suspending agents (commercial).
The investigation cucumber downy mildew state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, dispenser in every 7 days once is total to dispenser 2 times.Investigated respectively disease index and calculated preventive effect in 7 days, 14 days, 30 days after dispenser for the second time.Experimental result is as follows:
Table 17 tiadinil and active component B and the composite control cucumber downy mildew test of pesticide effectiveness thereof
As can be seen from Table 17, can effectively prevent and treat cucumber downy mildew after tiadinil and active component B are composite, control efficiency all is better than the preventive effect of single dose, and the preventive effect phase is long.In the test scope of medication, the target crop is had no adverse effects.
Application Example 11 tiadinils and active component B and the composite control rice blast test of pesticide effectiveness thereof
This test arrangement is in Hanzhong City suburb, Shaanxi Province; test medicine is researched and developed, is provided by Shaanxi Welch Crop Protection Co., Ltd., contrast medicament 24% tiadinil suspending agent (autogamy), 500 grams per liter thiophanate-methyl suspending agents (commercial), 25% Prochloraz missible oil (commercial), 50% prochloraz-manganese chloride complex wetting powder (commercial), 80% carbendazol wettable powder (commercial), 100 grams per liter cyazofamid suspending agents (commercial).
The investigation rice blast state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, dispenser in every 7 days once is total to dispenser 2 times.Investigated respectively disease index and calculated preventive effect in 7 days, 14 days, 30 days after dispenser for the second time.Experimental result is as follows:
Table 18 tiadinil and active component B and the composite control rice blast test of pesticide effectiveness thereof
As can be seen from Table 18, can effectively prevent and treat rice blast after tiadinil and active component B are composite, control efficiency all is better than the preventive effect of single dose, and the preventive effect phase is long.In the test scope of medication, the target crop is had no adverse effects.
Application Example 12 tiadinils and active component B and the composite control tomato blight test of pesticide effectiveness thereof
This test arrangement is at the Xian District, Shanxi Province suburban area; test medicine is researched and developed, is provided by Shaanxi Welch Crop Protection Co., Ltd., contrast medicament 24% tiadinil suspending agent (autogamy), 500 grams per liter thiophanate-methyl suspending agents (commercial), 25% Prochloraz missible oil (commercial), 50% prochloraz-manganese chloride complex wetting powder (commercial), 80% carbendazol wettable powder (commercial), 100 grams per liter cyazofamid suspending agents (commercial).
The investigation tomato blight state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, dispenser in every 7 days once is total to dispenser 2 times.Investigated respectively disease index and calculated preventive effect in 7 days, 14 days, 30 days after dispenser for the second time.Experimental result is as follows:
Table 19 tiadinil and active component B and the composite control tomato blight test of pesticide effectiveness thereof
As can be seen from Table 19, can effectively prevent and treat tomato blight after tiadinil and active component B are composite, control efficiency all is better than the preventive effect of single dose, and the preventive effect phase is long.In the test scope of medication, the target crop is had no adverse effects.
The rose powdery mildew test of pesticide effectiveness is viewed and admired in Application Example 13 tiadinils and active component B and composite control thereof
This test arrangement is at the Jinan City, Shandong Province Pingying County; test medicine is researched and developed, is provided by Shaanxi Welch Crop Protection Co., Ltd., contrast medicament 24% tiadinil suspending agent (autogamy), 500 grams per liter thiophanate-methyl suspending agents (commercial), 25% Prochloraz missible oil (commercial), 50% prochloraz-manganese chloride complex wetting powder (commercial), 80% carbendazol wettable powder (commercial), 100 grams per liter cyazofamid suspending agents (commercial).
Before medicine, the rose powdery mildew state of an illness is viewed and admired in investigation, and in the dispenser for the first time of state of an illness initial stage, dispenser in every 7 days once is total to dispenser 2 times.Investigated respectively disease index and calculated preventive effect in 7 days, 14 days, 30 days after dispenser for the second time.Experimental result is as follows:
The rose powdery mildew test of pesticide effectiveness is viewed and admired in table 20 tiadinil and active component B and composite control thereof
As can be seen from Table 20, can effectively prevent and treat after tiadinil and active component B are composite and view and admire the rose powdery mildew, control efficiency all is better than the preventive effect of single dose, and the preventive effect phase is long.In the test scope of medication, the target crop is had no adverse effects.
after draw through different local throughout the country tests, tiadinil and thiophanate-methyl, Prochloraz and salt, carbendazim, cyazofamid is composite rear to the rice blast on various crop, brown spot, leaf blight, banded sclerotial blight, powdery mildew, rust, late blight, leaf spot, downy mildew, ring spot, spot defoliation, scab, anthracnose, head blight, rot, gray mold, graywall, leaf spot, gray mold, peach brown rot, smut, penicilliosis, green mould, stalk break, the preventive effect of the Common Diseases such as bakanae disease is all more than 95%, be better than the single dose preventive effect, synergistic effect is obvious.
Claims (9)
1. bactericidal composition that contains tiadinil, it is characterized in that containing active components A and active component B, active components A and active component B weight ratio are 1 ︰ 80 ~ 60 ︰ 1, described active components A is selected from tiadinil, and active component B is selected from a kind of in thiophanate-methyl, Prochloraz and salt, carbendazim, cyazofamid.
2. the bactericidal composition that contains tiadinil according to claim 1, it is characterized in that: the weight ratio of active components A and active component B is 1 ︰ 60 ~ 40 ︰ 1.
3. the bactericidal composition that contains tiadinil according to claim 2, it is characterized in that: the weight ratio of tiadinil and thiophanate-methyl is 1 ︰ 30 ~ 5 ︰ 1.
4. the bactericidal composition that contains tiadinil according to claim 2, it is characterized in that: the weight ratio of tiadinil and Prochloraz and salt is 1 ︰ 20 ~ 20 ︰ 1.
5. the bactericidal composition that contains tiadinil according to claim 2, it is characterized in that: the weight ratio of tiadinil and carbendazim is 1 ︰ 30 ~ 5 ︰ 1.
6. the bactericidal composition that contains tiadinil according to claim 2, it is characterized in that: the weight ratio of tiadinil and cyazofamid is 1 ︰ 10 ~ 20 ︰ 1.
7. described any one contains the bactericidal composition of tiadinil according to claim 3 to 6, and it is characterized in that: composition is made wetting powder, water dispersible granules, suspending agent, suspension emulsion, microemulsion, aqueous emulsion, microcapsule suspending agent.
8. the bactericidal composition that contains tiadinil according to claim 7, be used for preventing and treating the application of crop pest.
9. application according to claim 8 is characterized in that: described disease comprises rice blast, brown spot, leaf blight, banded sclerotial blight, powdery mildew, rust, late blight, leaf spot, downy mildew, ring spot, spot defoliation, scab, anthracnose, head blight, rot, gray mold, graywall, leaf spot, gray mold, peach brown rot, smut, penicilliosis, green mould, stalk break, bakanae disease.
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