CN102258033A - Novel pesticidal composition containing prothioconazole and triazole - Google Patents
Novel pesticidal composition containing prothioconazole and triazole Download PDFInfo
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- CN102258033A CN102258033A CN2011102388198A CN201110238819A CN102258033A CN 102258033 A CN102258033 A CN 102258033A CN 2011102388198 A CN2011102388198 A CN 2011102388198A CN 201110238819 A CN201110238819 A CN 201110238819A CN 102258033 A CN102258033 A CN 102258033A
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Abstract
The invention relates to a novel pesticidal composition containing prothioconazole and triazole. The novel pesticidal composition comprises an active ingredient A and an active ingredient B, wherein the active ingredient A is the prothioconazole, the active ingredient B is one of epoxiconazole and hexaconazole, and a weight ratio of the active ingredient A to the active ingredient B ranges from 1:80 to 80:1. The pesticidal composition can be prepared into wettable powder, water dispersible granules, suspending agent, suspending emulsion, aqueous emulsion and microemulsion, is used for preventing and controlling diseases such as powdery mildew, banded sclerotial blight, false smut, leaf spot, rust diseases, sclerotiniose, alternaria leaf spot, gray mold, helminthosporium leaf spot, scab, black spot, brown blotch, black rot and the like, and has the characteristics of small using dose, rain erosion resistance and obvious synergic effect.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of application of new pesticide combination on crop pest that contains prothioconazoles and triazole type.
Technical background
Prothioconazoles, English name: prothioconazole molecular formula: C
14H
15Cl
2N
3The OS chemical name: (RS)-2-[2-(1-chlorine cyclopropyl)-3-(2-chlorphenyl)-2-hydroxypropyl]-2,4-dihydro-1,2,4-triazole-3-thioketones.
Prothioconazoles is a kind of new triazolinones systemic fungicide, as a kind of demethylation inhibitor (DMI), plays the demethylation effect on 14-or-24 methylene lanostenols of precursor-lanosterol of suppressing sterol in the fungi.By a large amount of field control effectiveness tests, the result shows that prothioconazoles not only has good safety to crop, and preventing disease theraping effect is good, and volume increase is obvious, compares with the triazole type biocide agent, and prothioconazoles has the more sterilization of wide spectrum lives in, and the lasting period is long.Fluorine ring azoles (epoxiconazole), molecular formula: C
17H
13ClFN
3O, chemical name: (2RS, 3SR)-and 3-(2-chlorphenyl)-2-(4-fluorophenyl)-2-[(1H1,2, the 4-triazol-1-yl) methyl] oxirane, fluorine ring azoles is a kind of interior absorption triazole bactericidal agent, its active component fluorine ring azoles suppresses the synthetic of germ ergosterol, hinder the formation of germ cell wall, and fluorine ring azoles molecule has powerful compatibility to a kind of fungal enzyme (14-dencthylase), compare with at present known bactericide, can more effective inhibition germ fungal pathogens.Fluorine ring azoles can improve all fourth matter enzymic activitys of crop, causes the contraction of fungi haustorium, suppresses germ and invades, and this is fluorine ring azoles unique characteristic in all triazole type products.Diseases such as the anthracnose on leaf spot, powdery mildew, rust and the grape on the crops such as banana, green onion garlic, celery, Kidney bean, melon, asparagus, peanut, beet, white rot there is good preventive effect.
Own azoles alcohol (hexaconazole), molecular formula: C
14H
17Cl
2X
3O, chemical name: (RS)-2-(2,4 dichloro benzene base)-1-(1H-1; 2, the 4-triazol-1-yl)-oneself-2-alcohol, own azoles alcohol belongs to azoles fungicide; sterol demethylation inhibitor, the disease that fungi especially Basidiomycota and Ascomycota are caused has the protection and the therapeutic action of broad spectrum activity.Destroy and stop the biosynthesis of the cell membrane important composition composition ergosterol of germ, cause cell membrane not form, make germ death.Have interior suction, protection and therapeutic activity.
In the real process of agricultural production, preventing and treating the problem that disease is easy to generate most is the drug-fast generation of germ.The different cultivars composition carries out composite, is to prevent and treat the very common method of resistance germ.Heterogeneity is carried out composite, according to practical application effect, judge certain composite be synergy, add and or antagonism.In most cases, the composite effect of agricultural chemicals all is an additive effect, and the seldom composite of synergistic effect really arranged, especially synergistic effect very obviously, synergy ratio very high composite just still less.Through inventor research, find prothioconazoles and active component B is composite mutually, good synergistic effect is arranged within the specific limits, and relevant composite about prothioconazoles and fluorine ring azoles, own azoles alcohol, do not see relevant report at present at home and abroad as yet.
Summary of the invention
The objective of the invention is to propose a kind of have synergistic function, use cost is low, preventive effect the is good new pesticide combination that contains prothioconazoles and triazole type.
The present invention is achieved through the following technical solutions:
A kind of new pesticide combination that contains prothioconazoles and triazole type is characterized in that: the weight ratio of active components A and active component B is 1: 80～80: 1, and described active components A is a prothioconazoles, and active component B is selected from a kind of in fluorine ring azoles, the own azoles alcohol.
The described new pesticide combination that contains prothioconazoles and triazole type is characterized in that: the weight ratio of prothioconazoles and active component B is 60: 1～1: 60.
The described new pesticide combination that contains prothioconazoles and triazole type is characterized in that: the weight ratio of prothioconazoles and active component B is 30: 1～1: 30.
The described new pesticide combination that contains prothioconazoles and triazole type is characterized in that: the weight ratio of prothioconazoles and fluorine ring azoles is 16: 1～1: 8.
The described new pesticide combination that contains prothioconazoles and triazole type is characterized in that: the weight ratio of prothioconazoles and own azoles alcohol is 18: 1～1: 9.
The described new pesticide combination that contains prothioconazoles and triazole type is characterized in that: composition is made wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microemulsion.
The described new pesticide combination that contains prothioconazoles and triazole type is used to prevent and treat the application of disease on gramineous crop, peanut, paddy rice, legume crop, fruit tree and the vegetables.
Described application is characterized in that, described disease comprises: powdery mildew, banded sclerotial blight, false smut, leaf spot, rust, stalk break, spot defoliation, gray mold, helminthosporium leaf spot, scab, black spot, brown spot, black rot.
Amount of application when the content of active component depends on independent use in the present composition also depends on the 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 fungi.Usually active weight percentage is 0.5%～90% of a gross weight in the composition, and preferable is 5%～85%.According to different preparation types, the active component content scope is different.Usually, liquid preparation contains 1%～70% active substance by weight, preferably is 5%～50%; Solid pharmaceutical preparation contains 5%～85% active substance by weight, preferably is 10%～80%.
At least contain a kind of surfactant in the bactericidal composition of the present invention, the dispersion of active component in water when being beneficial to use.Surface-active contents is 5%～30% of a 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 dispersant, wetting agent, thickener or the defoamer one or more.According to different dosage form, can also contain stabilizing agent known in those skilled in the art, antifreeze etc. in the preparation.
Bactericidal composition of the present invention can be processed into acceptable forms on any agricultural chemicals on demand.Wherein preferred dosage form is wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microemulsion.
When making wetting powder, composition comprises following constituent content: prothioconazoles 1%～80%, active component B 1%～80%, dispersant 5%～10%, wetting agent 2%～10%, filler 8%～91%.
The former medicine of prothioconazoles, the former medicine of active component B, dispersant, wetting agent, filler are mixed, in mixed cylinder, mix, after airslide disintegrating mill is pulverized, mix again, promptly can be made into the wetting powder product of the present composition.
When making water dispersible granules, composition comprises following constituent content: prothioconazoles 1%～80%, active component B 1%～80%, dispersant 3%～12%, wetting agent 1%～8%, disintegrant 1%～10%, binding agent 1%～8%, filler 10%～92%.
The former medicine of prothioconazoles, the former medicine of active component B, dispersant, wetting agent, disintegrant, filler etc. are obtained the particle diameter that needs through comminution by gas stream together, add other auxiliary agents such as binding agent again, obtain the preparation materials.It is interior through after granulation and the drying to expect that product are quantitatively sent the fluidized bed granulation dryer to, makes the water dispersible granules product of the present composition.
When making suspending agent, composition comprises following constituent content: prothioconazoles 1%～40%, active component B 1%～40%, dispersant 2%～10%, wetting agent 2%～10%, defoamer 0.1%～1%, thickener 0.1%～2%, antifreeze 0.1%～8%, stabilizing agent 0.05%～3%, deionized water adds to 100%.
Dispersant, wetting agent, defoamer, thickener, antifreeze in the above-mentioned prescription are mixed through high speed shear, add the former medicine of prothioconazoles, the former medicine of active component B, ball milling is 2～3 hours in ball mill, make diameter of particle all below 5 μ m, make the suspending agent product of the present composition.
Comprise following constituent content when composition is made suspension emulsion: prothioconazoles 1%～40%, active component B 1%～40%, emulsifier 2%～10%, dispersant 2%～10%, defoamer 0.1%～2%, thickener 0.1%～2%, antifreeze 0.1%～8%, stabilizing agent 0.05%～3%, water add to 100%.
Dispersant, defoamer, thickener, antifreeze, stabilizing agent in the above-mentioned prescription are mixed through high speed shear, add the former medicine of active component B, ball milling is 2～3 hours in ball mill, make diameter of particle all below 5 μ m, make active component B suspending agent, then with the former medicine of prothioconazoles, emulsifier and various auxiliary agent with the direct emulsification of high speed agitator in suspending agent, make the suspension emulsion product of the present composition.
When making aqueous emulsion, composition comprises following constituent content: prothioconazoles 1%～40%, active component B 1%～40%, solvent 2%～10%, emulsifier 2%～12%, dispersant 2%～10%, co-emulsifier 0.2%～5%, antifreeze 0.1%～8%, defoamer 0.1%～2%, thickener 0.1%～2%, deionized water adds to 100%.
Be dissolved into even oil phase with having former medicine, solvent, emulsifier, co-emulsifier to add together in the above-mentioned prescription, making.With deionized water, dispersant, antifreeze,, defoamer, thickener mix, and becomes the homogeneous water, under high-speed stirred, water slowly splashed into oil phase, makes the finely disseminated aqueous emulsion product of the present composition.
When making microemulsion, composition comprises following constituent content: prothioconazoles 1%～40%, active component B 1%～40%, and emulsifier 5%～15%, solvent 2%～10%, antifreeze 5%～10%, stabilizing agent 0.5%～3%, deionized water adds to 100%.
Above-mentioned prescription Central Plains medicine, solvent, emulsifier are added in the mother liquor modulation kettle, make even oil phase, deionized water, antifreeze etc. is mixed injection product modulation kettle,, mix and make the transparent or semitransparent microemulsion product of the present composition through high-speed stirred.
Beneficial effect of the present invention: (1) present composition active component prothioconazoles and effective active composition B belong to the bactericide of two kinds of different mechanisms of action, and both are mixed mutually and can produce conflict; (2) present composition has good synergistic effect within the specific limits, and preventive effect is higher than single agent, and dosage is little; (3) with an organic solvent dosage is little in the present invention, is difficult for producing poisoning, is convenient to transportation and storage; (4) present composition has enlarged fungicidal spectrum, and diseases such as crop powdery mildew, banded sclerotial blight, false smut, leaf spot, rust, stalk break, spot defoliation, gray mold, helminthosporium leaf spot, scab, black spot, brown spot, black rot are all had special efficacy.
Embodiment
To further instruction of the present invention, the percentage among the embodiment is weight ratio below in conjunction with embodiment, but the present invention is not limited thereto.
Application Example one
Example 1 80% prothioconazoles fluorine ring azoles wetting powder
Prothioconazoles 78%, fluorine ring azoles 2%, aryl phenol polyoxyethylene succinate sulfonate 5%, sldium lauryl sulfate 5%, white carbon add to 100%, and mixture carries out comminution by gas stream, make 80% prothioconazoles fluorine ring azoles wetting powder.
Example 2 60% prothioconazoles fluorine ring azoles wetting powders
Prothioconazoles 40%, fluorine ring azoles 20%, polyoxyethylene carboxylate 5.6%, silkworm excrement 5%, diatomite add to 100%, and mixture carries out comminution by gas stream, make 60% prothioconazoles fluorine ring azoles wetting powder.
Example 3 75% prothioconazoles epoxiconazole water dispersants
Prothioconazoles 72%, fluorine ring azoles 3%, alkyl benzene sulfonate calcium salt 6%, soapberry powder 5%, bentonite add to 100%, the mixed 75% prothioconazoles epoxiconazole water dispersant that gets.
Example 4 60% prothioconazoles epoxiconazole water dispersants
Prothioconazoles 30%, fluorine ring azoles 30%, alkyl benzene sulfonate calcium salt 6%, lauryl sodium sulfate 4.5%, sodium bicarbonate 2%, kaolin add to 100%, the mixed 60% prothioconazoles epoxiconazole water dispersant that gets.
Example 5 50% prothioconazoles epoxiconazole suspension concentrates
Prothioconazoles 45%, fluorine ring azoles 5%, two (alkyl) naphthalenesulfonate formaldehyde condensation compound 4%, Nekal BX 5%, C
10～20Saturated fat acids 1.5%, gum Arabic 3.5%, ethylene glycol 1.5%, deionized water add to 100%, the mixed 50% prothioconazoles epoxiconazole suspension concentrate that gets.
Example 6 35% prothioconazoles epoxiconazole suspension concentrates
Prothioconazoles 25%, fluorine ring azoles 10%, alkylphenol-polyethenoxy are phonetic 5.5%, neopelex 6%, C
10～20Saturated fat acids 1.2%, sodium phosphate trimer 1.8%, propane diols 1.5%, deionized water add to 100%, the mixed 35% prothioconazoles epoxiconazole suspension concentrate that gets.
Example 7 45% prothioconazoles fluorine ring azoles suspension emulsions
Prothioconazoles 30%, fluorine ring azoles 15%, polycarboxylate 6%, wetting and penetrating agent F 4%, gum Arabic 1.5%, By series 5%, ethylene glycol 1.6%, silicone oil 0.5%, water add to 100%, through the mixed 45% prothioconazoles fluorine ring azoles suspension emulsion that gets.
Example 8 30% prothioconazoles fluorine ring azoles suspension emulsions
Prothioconazoles 1%, fluorine ring azoles 29%, aliphatic amine polyoxyethylene are phonetic 5%, soapberry powder 4%, polyvinylpyrrolidone 2%, OP series 5%, the third three 3%, C
10～20Saturated fat acids 0.8%, water add to 100%, through the mixed 30% prothioconazoles fluorine ring azoles suspension emulsion that gets.
Example 9 36% prothioconazoles fluorine ring azoles microemulsions
Prothioconazoles 2%, fluorine ring azoles 34%, agricultural newborn 600#6%, alkylbenzenesulfonate 5%, phenethyl phenol polyethenoxy ether phosphate 6%, xanthans 3%, triethylene glycol 5%, silicone oil 1.5%, deionized water supplies 100%, the mixed 36% prothioconazoles fluorine ring azoles microemulsion that gets.
Example 10 20% prothioconazoles fluorine ring azoles microemulsions
Prothioconazoles 2%, fluorine ring azoles 18%, 3-methyl cyclohexanol ketenes 4%, propane diols 5%, polyvinyl alcohol 4%, By series 4%, alkylbenzenesulfonate 3%, silicone oil 1.5%, deionized water supplies 100%, makes 20% prothioconazoles fluorine ring azoles microemulsion.
Example 11 30% prothioconazoles epoxiconazole aqueous emulsions
Prothioconazoles 25%, fluorine ring azoles 5%, the phonetic formaldehyde condensation products sulphate 5% of alkylphenol-polyethenoxy, alkylbenzenesulfonate 5%, OP series 5%, glycerine 4%, methylcellulose 5%, silicone oil 1.5%, deionized water supplies 100%, makes 30% prothioconazoles epoxiconazole aqueous emulsion.
Example 12 24% prothioconazoles epoxiconazole aqueous emulsions
Prothioconazoles 6%, fluorine ring azoles 18%, castor oil polyoxyethylene ether 5%, 600# phosphate 5%, sodium phosphate trimer 1.5%, propane diols 5%, sodium chloride 2%, C
8～10Aliphatic alcohols 0.5%, deionized water supplies 100%, makes 24% prothioconazoles epoxiconazole aqueous emulsion.
The own azoles alcohol of example 13 78% prothioconazoles wetting powder
Prothioconazoles 77%, own azoles alcohol 1%, the phonetic formaldehyde condensation products sulphate 6% of alkylphenol-polyethenoxy, soapberry powder 4%, attapulgite add to 100%, and mixture carries out comminution by gas stream, make the own azoles alcohol of 78% prothioconazoles wetting powder.
The own azoles alcohol of example 14 65% prothioconazoles wetting powder
Prothioconazoles 50%, own azoles alcohol 15%, octylphenol polyethylene oxyethylene group ether sulfate 5%, wetting and penetrating agent F 4%, diatomite add to 100%, and mixture carries out comminution by gas stream, make the own azoles alcohol of 65% prothioconazoles wetting powder.
Example 15 70% prothioconazoles diniconazole water dispersible granules
Prothioconazoles 69%, own azoles alcohol 1%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 6%, soapberry powder 6%, bentonite add to 100%, the mixed 70% prothioconazoles diniconazole water dispersible granule that gets.
Example 16 64% prothioconazoles diniconazole water dispersible granules
Prothioconazoles 56%, own azoles alcohol 8%, the phonetic formaldehyde condensation products sulphate 6% of alkylphenol-polyethenoxy, sldium lauryl sulfate 5%, ammonium sulfate 3%, diatomite add to 100%, the mixed 64% prothioconazoles diniconazole water dispersible granule that gets.
Example 17 45% prothioconazoles hexaconazole suspending agents
Prothioconazoles 1%, own azoles alcohol 44%, ester polyoxyethylene are phonetic 6%, wetting and penetrating agent F 5%, silicone compound 1.5%, gum Arabic 2.5%, ethylene glycol 3%, deionized water add to 100%, mixed 45% prothioconazoles hexaconazole suspending agent.
Example 18 40% prothioconazoles hexaconazole suspending agents
Prothioconazoles 30%, own azoles alcohol 10%, polyoxyethylene carboxylate 6%, wetting agent T5%, C
10～20Saturated fat acids 1.8%, xanthans 1.8%, propane diols 3%, deionized water add to 100%, the mixed 40% prothioconazoles hexaconazole suspending agent that gets.
The own azoles alcohol of example 19 45% prothioconazoles suspension emulsion
Prothioconazoles 44%, own azoles alcohol 1%, aliphatic amine polyoxyethylene are phonetic 6%, wetting agent T 6%, silicone compound 2%, triphenyl phosphite 2%, PAA 2%, agricultural newborn 1600#5%, ethylene glycol 1.5%, water add to 100%, the aforementioned formula material is mixed, promptly make the own azoles alcohol of 45% prothioconazoles suspension emulsion.
The own azoles alcohol of example 20 36% prothioconazoles suspension emulsion
Prothioconazoles 24%, own azoles alcohol 12%, octylphenol polyethylene oxyethylene group ether sulfate 5%, sldium lauryl sulfate 5%, silicone 1.5%, polyvinylpyrrolidone 1.5%, OP series phosphate 5%, polyethylene glycol 3%, water add to 100%, the aforementioned formula material is mixed, promptly make the own azoles alcohol of 36% prothioconazoles suspension emulsion.
Example 21 35% prothioconazoles hexaconazole microemulsions
Prothioconazoles 25%, own azoles alcohol 10%, the phonetic formaldehyde condensation products sulphate 6% of alkylphenol-polyethenoxy, cyclohexanone 3%, glycerine 8%, silicone 1.5%, deionized water adds to 100%, through the mixed 35% prothioconazoles hexaconazole microemulsion that gets.
Example 22 24% prothioconazoles hexaconazole microemulsions
Prothioconazoles 12%, own azoles alcohol 12%, agricultural newborn 600#8%, ethylene glycol monomethyl ether 3%, polyethylene glycol 5%, acid amides 1%, deionized water adds to 100%, through the mixed 24% prothioconazoles hexaconazole microemulsion that gets.
Example 23 45% prothioconazoles hexaconazole aqueous emulsions
Prothioconazoles 30%, own azoles alcohol 15%, N, dinethylformamide 5%, agricultural newborn 34#6%, calcium chloride 3%, glycerine 4%, silicone 1.5%, deionized water adds to 100%, through the mixed 45% prothioconazoles hexaconazole aqueous emulsion that gets.
Example 24 22% prothioconazoles hexaconazole aqueous emulsions
Prothioconazoles 1%, own azoles alcohol 21%, N, dinethylformamide 5%, alkyl biphenyl ether disulfonic acid magnesium salts 5%, butanols 3%, ethylene glycol 5%, C
8～10Aliphatic alcohols 1.5%, deionized water adds to 100%, through the mixed 22% prothioconazoles hexaconazole aqueous emulsion that gets.
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:
Aqueous emulsion the key technical indexes of the present invention:
Microemulsion the key technical indexes of the present invention:
The embodiment of the invention is the method that adopts Toxicity Determination and field trial to combine.Pass through Toxicity Determination earlier, the synergy ratio (SR) after clear and definite two kinds of medicaments are composite by a certain percentage, SR＜0.5 is an antagonism, and 0.5≤SR≤1.5 are summation action, and SR＞1.5 are synergistic effect, on this basis, carry out field trial again.
Prothioconazoles and active component B (B be selected from fluorine ring azoles, the own azoles alcohol a kind of) are composite to the crop pest Toxicity Determination.
After the effective inhibition concentration scope of each medicament was determined in prerun, each medicament was established 5 dosage respectively by active constituent content and is handled, and established the clear water contrast.Carry out with reference to " agricultural chemicals indoor bioassay test rule bactericide ", adopt the mycelial growth rate method to measure the virulence of medicament the crop germ.Measure colony diameter with the right-angled intersection method behind the 72h, calculate and respectively handle clean amount of growth, mycelial growth inhibition rate.
Clean amount of 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 the EC of every kind of medicament thus
50Value.Calculate the different proportioning synergy ratios (SR) of two medicaments according to the Wadley method simultaneously, SR＜0.5 is an 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 component prothioconazoles and active component B (fluorine ring azoles, own azoles alcohol) shared ratio in combination;
A is a prothioconazoles;
B is a kind of in fluorine ring azoles, the own azoles alcohol.
Implementation of an application example two:
Prothioconazoles and fluorine ring azoles are composite to the sigatoka Toxicity Determination.
Test medicine provides by Shaanxi agricultural chemicals Co., Ltd of U.S. nation.
Experimental scheme: effective inhibition concentration scope of determining prothioconazoles and epoxiconazole raw drug and the two different proportioning mixture through preliminary experiment.
Toxicity test result
Table 1 prothioconazoles and fluorine ring azoles and composite toxicity test analysis of results table thereof to sigatoka
As shown in Table 1, prothioconazoles and fluorine ring azoles are to the EC of sigatoka
50Be respectively 3.82mg/L and 1.85mg/L.Prothioconazoles and fluorine ring azoles proportioning were at 80: 1 to 1: 80 o'clock, synergy ratio SR is all greater than 1.5, illustrating that prothioconazoles and fluorine ring azoles were mixed in the scope at 80: 1 to 1: 80 all shows synergistic effect, wherein when the two proportioning during at 16: 1 to 1: 8, find through the test people, the composite back of prothioconazoles and fluorine ring azoles is also better to the banana freckle preventive effect, especially work as prothioconazoles and fluorine ring azoles proportioning at 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: the 5 pair of sigatoka and scab synergistic effect are more remarkable, synergy ratio SR maximum when prothioconazoles and fluorine ring azoles weight ratio are 2: 1 wherein, synergistic effect is the most obvious.
Implementation of an application example three:
Prothioconazoles and own azoles alcohol are composite to the rice sheath blight disease Toxicity Determination.
Test medicine provides by Shaanxi agricultural chemicals Co., Ltd of U.S. nation.
Experimental scheme: effective inhibition concentration scope of determining prothioconazoles and the pure former medicine of own azoles and the two different proportioning mixture through preliminary experiment.
Toxicity test result
Table 2 prothioconazoles and own azoles alcohol and composite toxicity test analysis of results table thereof to rice sheath blight disease
As shown in Table 2, prothioconazoles and own azoles alcohol are to the EC of rice sheath blight disease
50Be respectively 3.67mg/L and 1.09mg/L.Prothioconazoles and own azoles alcohol proportioning were at 80: 1 to 1: 80 o'clock, synergy ratio SR is all greater than 1.5, prothioconazoles and own azoles alcohol is described, and both were mixed in the scope at 80: 1 to 1: 80 and all show synergistic effect, especially working as prothioconazoles and own azoles alcohol proportioning is that synergistic effect in 18: 1 to 1: 9 is the most obvious, find through the test people, after prothioconazoles and own azoles alcohol are composite, also better to the rice green smut synergistic effect, wherein the two proportioning was at 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 o'clock more remarkable to rice sheath blight disease and false smut synergistic effect, especially when the proportioning of prothioconazoles and own azoles alcohol during at 3: 1, synergy ratio SR maximum, synergistic effect is the most remarkable.
Application Example four prothioconazoles and fluorine ring azoles and the composite wheat rust test of pesticide effectiveness of preventing and treating thereof
This experimental establishment is in suburb, Qian County, Shaanxi Province, and test medicine is researched and developed, provided by Shaanxi agricultural chemicals Co., Ltd of U.S. nation, contrast medicament 40% prothioconazoles wetting powder (autogamy), 30% epoxiconazole suspension concentrate (commercial).
The investigation wheat rust state of an illness before the medicine, in the dispenser for the first time of state of an illness initial stage, dispenser in per 7 days once is total to dispenser 2 times.Investigated disease index respectively and calculated preventive effect in 3 days, 14 days, 30 days after the dispenser for the second time.Experimental result is as follows:
Table 3 prothioconazoles and fluorine ring azoles and the composite control rice blast test of pesticide effectiveness thereof
As can be seen from Table 3, can effectively prevent and treat wheat rust after prothioconazoles and fluorine ring azoles are composite, control efficiency all is better than the preventive effect of single agent, find through the test people, the composite back of prothioconazoles and fluorine ring azoles is also better to control wheat powdery mildew preventive effect, and 30 days preventive effects reach 85% behind the medicine, and the preventive effect phase is long.In the test scope of medication, the target crop is had no adverse effects.
Application Example six prothioconazoles and the own azoles alcohol and the composite control graw mold of tomato test of pesticide effectiveness thereof
This experimental establishment is in the Shanxi province Taiyuan city suburb, and test medicine is researched and developed, provided by Shaanxi agricultural chemicals Co., Ltd of U.S. nation, contrast medicament 40% prothioconazoles wetting powder (autogamy), 40% hexaconazole suspending agent (commercial).
The investigation graw mold of tomato state of an illness before the medicine, in the dispenser for the first time of state of an illness initial stage, dispenser in per 7 days once is total to dispenser 2 times.Investigated disease index respectively and calculated preventive effect in 3 days, 14 days, 30 days after the dispenser for the second time.Experimental result is as follows:
Table 5 prothioconazoles and the own azoles alcohol and the composite control graw mold of tomato test of pesticide effectiveness thereof
As can be seen from Table 5, can effectively prevent and treat graw mold of tomato after prothioconazoles and own azoles alcohol are composite, control efficiency all is better than the preventive effect of single agent, find through the test people, the composite back control of prothioconazoles and own azoles alcohol alternaria leaf spot of apple preventive effect is also better, 30 back preventive effects reach more than 85% behind the medicine, and the preventive effect phase is long.In the test scope of medication, the target crop is had no adverse effects.
Claims (7)
1. new pesticide combination that contains prothioconazoles and triazole type, it is characterized in that: the weight ratio of active components A and active component B is 1: 80～80: 1, and described active components A is a prothioconazoles, and active component B is selected from a kind of in fluorine ring azoles, the own azoles alcohol.
2. the new pesticide combination that contains prothioconazoles and triazole type according to claim 1 is characterized in that: the weight ratio of prothioconazoles and active component B is 60: 1～1: 60.
3. the new pesticide combination that contains prothioconazoles and triazole type according to claim 2 is characterized in that: the weight ratio of prothioconazoles and fluorine ring azoles is 16: 1～1: 8.
4. the new pesticide combination that contains prothioconazoles and triazole type according to claim 2 is characterized in that: the weight ratio of prothioconazoles and own azoles alcohol is 18: 1～1: 9.
5. according to each described new pesticide combination that contains prothioconazoles and triazole type in the claim 1 to 4, it is characterized in that: composition is made wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microemulsion.
6. the new pesticide combination that contains prothioconazoles and triazole type according to claim 5 is used to prevent and treat the application of disease on gramineous crop, peanut, paddy rice, legume crop, fruit tree and the vegetables.
7. application according to claim 6, it is characterized in that described disease comprises: powdery mildew, banded sclerotial blight, false smut, leaf spot, rust, stalk break, spot defoliation, gray mold, helminthosporium leaf spot, scab, black spot, brown spot, black rot.
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Cited By (8)
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| CN102599172A (en) * | 2012-01-20 | 2012-07-25 | 联保作物科技有限公司 | Insecticidal composition and preparation thereof |
| CN102599171A (en) * | 2012-01-20 | 2012-07-25 | 联保作物科技有限公司 | Sterilizing composition and preparation thereof |
| CN102640748A (en) * | 2012-04-12 | 2012-08-22 | 广西田园生化股份有限公司 | Ultra-low-volume liquid containing prothioconazole |
| CN103314968A (en) * | 2013-06-09 | 2013-09-25 | 江苏辉丰农化股份有限公司 | Bactericidal composition with synergistic effect |
| CN103392726A (en) * | 2013-07-31 | 2013-11-20 | 海利尔药业集团股份有限公司 | Sterilization composition containing iprodione and prothioconazole |
| CN104322502A (en) * | 2014-10-16 | 2015-02-04 | 浙江省化工研究院有限公司 | Pesticide composition containing cyhalodiamide |
| CN104621153A (en) * | 2013-11-15 | 2015-05-20 | 南京华洲药业有限公司 | Sterilization composition containing prothioconazole and propamocarb and application thereof |
| CN105325425A (en) * | 2014-08-13 | 2016-02-17 | 浙江省化工研究院有限公司 | Insecticidal sterilization composition used at corn seedling stage |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102599172A (en) * | 2012-01-20 | 2012-07-25 | 联保作物科技有限公司 | Insecticidal composition and preparation thereof |
| CN102599171A (en) * | 2012-01-20 | 2012-07-25 | 联保作物科技有限公司 | Sterilizing composition and preparation thereof |
| CN102640748A (en) * | 2012-04-12 | 2012-08-22 | 广西田园生化股份有限公司 | Ultra-low-volume liquid containing prothioconazole |
| CN103314968A (en) * | 2013-06-09 | 2013-09-25 | 江苏辉丰农化股份有限公司 | Bactericidal composition with synergistic effect |
| CN103392726A (en) * | 2013-07-31 | 2013-11-20 | 海利尔药业集团股份有限公司 | Sterilization composition containing iprodione and prothioconazole |
| CN103392726B (en) * | 2013-07-31 | 2016-05-18 | 海利尔药业集团股份有限公司 | A kind of bactericidal composition that contains iprodione and prothioconazoles |
| CN104621153A (en) * | 2013-11-15 | 2015-05-20 | 南京华洲药业有限公司 | Sterilization composition containing prothioconazole and propamocarb and application thereof |
| CN104621153B (en) * | 2013-11-15 | 2016-07-06 | 南京华洲药业有限公司 | A kind of bactericidal composition containing prothioconazoles and Propamocarb and application thereof |
| CN105325425A (en) * | 2014-08-13 | 2016-02-17 | 浙江省化工研究院有限公司 | Insecticidal sterilization composition used at corn seedling stage |
| CN104322502A (en) * | 2014-10-16 | 2015-02-04 | 浙江省化工研究院有限公司 | Pesticide composition containing cyhalodiamide |
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