CN103380777A - Sterilizing composition containing tiadinil - Google Patents

Sterilizing composition containing tiadinil Download PDF

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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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CN103380777B (en
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张伟
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Shaanxi Yitianfeng Crop Technology Co ltd
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Shaanxi Welch Crop Protection Co Ltd
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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

A kind of bactericidal composition that contains tiadinil
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:
Figure BDA0000160352422
Suspending agent the key technical indexes of the present invention:
Figure BDA0000160352423
Suspension emulsion the key technical indexes of the present invention:
Figure BDA0000160352424
Microemulsion the key technical indexes of the present invention:
Figure BDA0000160352425
Aqueous emulsion the key technical indexes of the present invention:
Figure BDA0000160352426
Microcapsule suspending agent the key technical indexes of the present invention:
Figure BDA0000160352427
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
Figure BDA0000160352429
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
Figure BDA00001603524211
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
Figure BDA00001603524215
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
Figure BDA00001603524216
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:
Figure BDA00001603524217
Figure BDA00001603524218
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
Figure BDA00001603524219
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
Figure BDA00001603524220
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
Figure BDA00001603524221
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
Figure BDA00001603524222
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
Figure BDA00001603524223
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
Figure BDA00001603524225
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
Figure BDA00001603524226
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
Figure BDA00001603524227
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
Figure BDA00001603524228
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
Figure BDA00001603524230
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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