CN104082331B - A kind of bactericide and application thereof containing probenazole and Prochloraz - Google Patents
A kind of bactericide and application thereof containing probenazole and Prochloraz Download PDFInfo
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- CN104082331B CN104082331B CN201410362575.8A CN201410362575A CN104082331B CN 104082331 B CN104082331 B CN 104082331B CN 201410362575 A CN201410362575 A CN 201410362575A CN 104082331 B CN104082331 B CN 104082331B
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Abstract
The invention discloses a kind of containing probenazole and the composite bactericide of Prochloraz, described bactericide comprises probenazole and Prochloraz, and described probenazole and Prochloraz weight proportion scope are 3:1-11:1.The invention also discloses and preventing and treating the application in wheat scab and rice blast containing probenazole and the composite bactericide of Prochloraz.Bactericidal composition of the present invention is compared with common insecticides, and this kind has obvious synergistic effect to wheat scab compared with single dose, can significantly improve control efficiency; Can high poisoning microbial inoculum in Substitute For Partial, reduce dosage, reduce the residual of environmental pollution and agricultural product; The pesticide resistance of wheat scab to single bactericide can be delayed, there is the advantage of lasting period length, compared with single medicament, can reduce costs.Bactericide of the present invention, through actual test, has significant control efficiency to wheat scab and rice blast.
Description
Technical field
The invention belongs to technical field of pesticide, be specifically related to a kind of bactericide and the application thereof that contain probenazole and Prochloraz.
Background technology
The Winter Wheat Area, the middle and lower reach of Yangtze River that wheat scab is rainy in the fringe phase, have a humid climate and Northeasten Spring Wheat Area of China occur serious, also often occur, cause loss larger at other Mai Qu.Due to current large area produce upper plantation be mainly susceptible or in anti-kind, chemical control is still the important means controlling head blight.Production preventing and treating the medicament of this disease based on carbendazim etc., there is pesticide resistance in use all the year round.Rice blast is one of Major Diseases on China paddy rice, occurs throughout the year, loss is larger.The time limit that the major pharmaceutical agent that large area produces upper control rice blast uses is longer, as tricyclazole has the history of more than 20 year in nineteen eighty-two so far at China's spread, there is the risk developed immunity to drugs.
Summary of the invention
Goal of the invention: first object of the present invention there are provided the bactericide containing probenazole and Prochloraz that a kind of control efficiency prevents and treats wheat scab preferably.Another object of the present invention there is provided the application of above-mentioned bactericide.
Technical scheme: for solving the problems of the technologies described above, the invention provides a kind of containing probenazole and the composite bactericide of Prochloraz, described bactericide comprises probenazole and Prochloraz, and described probenazole and Prochloraz weight proportion scope are 3:1-11:1.
Wherein, above-mentioned bactericide also comprises auxiliary agent and filler, and wherein probenazole and Prochloraz account for the 8%-60% of bactericide gross weight, and auxiliary agent accounts for the 5%-30% of bactericide gross weight, and all the other are filler.
Wherein, above-mentioned bactericide is the one in wetting powder, aqueous emulsion or water-dispersible powder.
Wherein, when described bactericide is water-dispersible powder, described auxiliary agent comprises wetting agent, the dispersant of 1-10%, 1-5% binding agent, the 1-5% disintegrant of 2-10%, and surplus is filler, and described filler is one or more in clay, kaolin, bentonite.
Wherein, above-mentioned wetting agent is one or more in Chinese honey locust sweet smell, silkworm excrement, neopelex, washing powder, described dispersant is anionic dispersing agent, for one or more in lignin and derivative sulfonate, alkylsulfonate, described binding agent is one or more in starch, gum Arabic, gypsum, rosin, paraffin, and described disintegrant is one or more in sulphur ammonium, salt, urea, bentonite.
Wherein, when described bactericide is wetting powder, described auxiliary agent comprises the wetting agent of 3-15%, the dispersant of 2-15%, and surplus is filler, and described filler is one or more in clay, kaolin, bentonite.
Wherein, above-mentioned wetting agent is one or more in Chinese honey locust sweet smell, silkworm excrement, neopelex, washing powder, and described dispersant is anionic dispersing agent, is one or more in lignin and derivative sulfonate, alkylsulfonate.
Wherein, when described bactericide is aqueous emulsion, described auxiliary agent comprises emulsifier, the antifreezing agent of 1-5%, the thickener of 0.1-2%, the solvent of 3-15% of 1-8%, and surplus is filler, and filler is water.
Wherein, mentioned emulsifier is one or more in benzene sulfonamide acid metal salt, described antifreezing agent is one or more in ethylene glycol, propane diols, sorbierite, described thickener be selected from xanthans, CMC, hydroxyethylcellulose, methylcellulose or polyvinyl alcohol one or more, described solvent is one or more in alcohols, ketone, ester class and aromatic hydrocarbon.
Above-mentioned preventing and treating the application in wheat scab and paddy rice rice blast epidemic disease containing probenazole and the composite bactericide of Prochloraz.
Beneficial effect: bactericidal composition of the present invention, compared with common insecticides, has the following advantages: 1, this kind has obvious synergistic effect to wheat scab compared with single dose, can significantly improve control efficiency; 2, can high poisoning microbial inoculum in Substitute For Partial, reduce dosage, reduce the residual of environmental pollution and agricultural product; 3, the pesticide resistance of wheat scab to single bactericide can be delayed, 4, there is lasting period long advantage, compared with single medicament, can reduce costs.Bactericide of the present invention, through actual test, has significant control efficiency to wheat scab and rice blast.
Embodiment
Embodiment 1
Probenazole and Prochloraz are carried out composite according to 3:1,5:1,7:1,9:1 and 11:1 five kinds of weight ratios respectively.
To the inhibitory action of fusarium graminearum, indoor measurement is carried out to above-mentioned 1-5 five ratios.Test adopts growth rate method, first each proportioning is made into series concentration gradient.The aseptic card punch being 0.5cm by the fusarium graminearum diameter after cultivating through secondary separation goes out to punch for subsequent use in bacterium colony leading edge, then moves on pastille PDA plating medium, is placed in 25 ± 1 DEG C of incubators and cultivates, cultivate and measure colony diameter after 6 days.Often process repetition 6 times.Measured result calculates antibacterial percentage compared with the control.5 proportionings are carried out building performance test by building performance test method.Calculate the mixture of 5 proportionings and the IC of 2 single doses
50value, calculates co-toxicity coefficient, judges whether to have synergistic effect.Criterion is that co-toxicity coefficient is significantly greater than 100 for synergy, is less than 100 for antagonism, equals 100 for being added.The virulence regression equation of the probenazole obtained, Prochloraz and composite comparison fusarium graminearum, suppress in concentration and co-toxicity coefficient result as table one:
Table one probenazole, Prochloraz and built agent thereof are to fusarium graminearum toxicity measurement result
Embodiment 2
Probenazole and Prochloraz are carried out composite according to 3:1,5:1,7:1,9:1 and 11:1 five kinds of weight ratios respectively.
To the inhibitory action of Pyricularia oryzae, indoor measurement is carried out to above-mentioned 6-10 five ratios.Test adopts growth rate method, first each proportioning is made into series concentration gradient.The aseptic card punch being 0.5cm by the Pyricularia oryzae diameter after cultivating through secondary separation goes out to punch for subsequent use in bacterium colony leading edge, then moves on pastille PDA plating medium, is placed in 25 ± 1 DEG C of incubators and cultivates, cultivate and measure colony diameter after 8 days.Often process repetition 6 times.Measured result calculates antibacterial percentage compared with the control.5 proportionings are carried out building performance test by building performance test method.Calculate the mixture of 5 proportionings and the IC of 2 single doses
50value, calculates co-toxicity coefficient, judges whether to have synergistic effect.Criterion is that co-toxicity coefficient is significantly greater than 100 for synergy, is less than 100 for antagonism, equals 100 for being added.The virulence regression equation of the probenazole obtained, Prochloraz and composite comparison Pyricularia oryzae, suppress in concentration and co-toxicity coefficient result as table two:
Table two probenazole, Prochloraz and built agent thereof are to Pyricularia oryzae toxicity measurement result
Embodiment 3:40% probenazole Prochloraz water dispersible granules
30g probenazole, 10g Prochloraz, 2g lauryl sodium sulfate, 3g sodium lignin sulfonate, 4g ammonium sulfate, 2g gum Arabic, kaolin are mended to 100g, obtained 40% probenazole Prochloraz water dispersible granules.
Embodiment 4:60% probenazole Prochloraz water dispersible granules
50g probenazole, 10g Prochloraz, 4g lauryl sodium sulfate, 2g sodium lignin sulfonate, 4g ammonium sulfate, 2g gum Arabic, kaolin are mended to 100g, obtained 60% probenazole Prochloraz water dispersible granules.
Embodiment 5:8% probenazole Prochloraz water dispersible granules
7g probenazole, 1g Prochloraz, 4g lauryl sodium sulfate, 2g sodium lignin sulfonate, 4g ammonium sulfate, 2g gum Arabic, kaolin are mended to 100g, obtained 8% probenazole Prochloraz water dispersible granules.
According to the formula of embodiment 3,4,5, active ingredient probenazole and Prochloraz, auxiliary agent, filler are mixed, after stirring, female powder is obtained through pulverizing, female powder is mixed with binding agent, then granulation, dries, sieve, probenazole Prochloraz water dispersible granules can be obtained.
Embodiment 6:30% probenazole Prochloraz wetting powder
27g probenazole, 3g Prochloraz, 2g lauryl sodium sulfate, 3g sodium lignin sulfonate, kaolin supply 100g, obtained 30% probenazole Prochloraz wetting powder.
Embodiment 7:36% probenazole Prochloraz wetting powder
33g probenazole, 3g Prochloraz, 6g lauryl sodium sulfate, 5g sodium lignin sulfonate, kaolin supply 100g, obtained 36% probenazole Prochloraz wetting powder.
Embodiment 8:40% probenazole Prochloraz wetting powder
30g probenazole, 10g Prochloraz, 6g lauryl sodium sulfate, 5g sodium lignin sulfonate, kaolin supply 100g, obtained 40% probenazole Prochloraz wetting powder.
According to the formula of embodiment 6,7,8, active ingredient probenazole and Prochloraz, auxiliary agent, filler are added together, after air-flow crushing, mix and blend 30 minutes in cone-type mixer, can obtain probenazole Prochloraz wetting powder.
Embodiment 9:40% probenazole prochloraz aqueous emulsion
30g probenazole, 10g Prochloraz, 6g alkyl benzene calcium sulfonate, 4g ethylene glycol, 0.2g xanthans, 15g dimethylbenzene, water are mended to 100g, obtained 40% probenazole prochloraz aqueous emulsion.
Embodiment 10:12% probenazole prochloraz aqueous emulsion
11g probenazole, 1g Prochloraz, 7g alkyl benzene calcium sulfonate, 4g ethylene glycol, 0.2g xanthans, 15g dimethylbenzene, water are mended to 100g, obtained 12% probenazole prochloraz aqueous emulsion.
Embodiment 11:42% probenazole prochloraz aqueous emulsion
35g probenazole, 7g Prochloraz, 8g alkyl benzene calcium sulfonate, 5g propane diols, 2g CMC, 15g dimethylbenzene, water are mended to 100g, obtained 42% probenazole prochloraz aqueous emulsion.
According to the formula of embodiment 9,10,11, active ingredient probenazole and Prochloraz, solvent, emulsifier are added together, are dissolved into homogeneous oil phase; Water, antifreeze, thickener, defoamer are mixed, becomes homogeneous aqueous phase.Under high velocity agitation, aqueous phase is added oil phase, probenazole prochloraz aqueous emulsion can be obtained.
Application experiment example 1: probenazole Prochloraz prevents and treats wheat scab
The present invention tests and arranges totally 12 process of embodiment 3-embodiment 11,50% Prochloraz WP, 42% probenazole SC and blank altogether, often process repetition 3 times, average, repeat area 100 square metres, spray medicine is watered in wheat full heading time mist sprayer, every mu of liquid 18 kilograms, investigates each process head blight disease index for after medicine 14 days, and calculates relative control efficiency with the disease index of check plot.Its result is as table three:
Table three probenazole Prochloraz prevents and treats wheat scab field control effectiveness test
| Treatment agent | Effective dose a.i. (g/667m 2) | 14 days preventive effects (%) after medicine |
| Embodiment 3 | 35 | 89.73 |
| Embodiment 4 | 35 | 91.83 |
| Embodiment 5 | 35 | 95.84 |
| Embodiment 6 | 35 | 92.14 |
| Embodiment 7 | 35 | 93.72 |
| Embodiment 8 | 35 | 94.17 |
| Embodiment 9 | 35 | 93.27 |
| Embodiment 10 | 35 | 93.85 |
| Embodiment 11 | 35 | 92.47 |
| 42% probenazole SC | 35 | 79.64 |
| 50% Prochloraz WP | 35 | 77.85 |
Find out from table three, the present composition is all remarkable to the control efficiency of wheat scab, and apparently higher than contrast medicament, and to wheat growth safety, field does not find bad reaction.
Application experiment example 2
The present invention tests and arranges totally 12 process of embodiment 3-embodiment 11,50% Prochloraz WP, 42% probenazole SC and blank altogether, often process repetition 3 times, average, repeat area 100 square metres, spray medicine is watered in paddy rice full heading time mist sprayer, every mu of liquid 18 kilograms, investigates each process rice blast disease index for after medicine 14 days, and calculates relative control efficiency with the disease index of check plot.Its result is as table four:
Table four: probenazole Prochloraz control rice blast field control effectiveness test
| Treatment agent | Effective dose a.i. (g/667m 2) | 14 days preventive effects (%) after medicine |
| Embodiment 3 | 35 | 90.53 |
| Embodiment 4 | 35 | 93.28 |
| Embodiment 5 | 35 | 96.45 |
| Embodiment 6 | 35 | 95.19 |
| Embodiment 7 | 35 | 94.61 |
| Embodiment 8 | 35 | 95.16 |
| Embodiment 9 | 35 | 95.69 |
| Embodiment 10 | 35 | 96.71 |
| Embodiment 11 | 35 | 94.26 |
| 42% probenazole SC | 35 | 82.37 |
| 50% Prochloraz WP | 35 | 84.38 |
Find out from table four, the present composition is all remarkable to the control efficiency of rice blast, and apparently higher than contrast medicament, and to paddy growth safety, field does not find bad reaction.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. one kind containing probenazole and the composite bactericide of Prochloraz, it is characterized in that, described bactericide comprises probenazole and Prochloraz, described probenazole and Prochloraz weight proportion scope are 7:1, described bactericide also comprises auxiliary agent and filler, wherein probenazole and Prochloraz account for the 8%-60% of bactericide gross weight, and auxiliary agent accounts for the 5%-30% of bactericide gross weight, and all the other are filler.
2. according to claim 1 a kind of containing probenazole and the composite bactericide of Prochloraz, it is characterized in that, described bactericide is the one in wetting powder, aqueous emulsion or water-dispersible powder.
3. according to claim 2 a kind of containing probenazole and the composite bactericide of Prochloraz, it is characterized in that, when described bactericide is water-dispersible powder, described auxiliary agent is wetting agent, the dispersant of 1-10%, 1-5% binding agent, the 1-5% disintegrant of the 2-10% of bactericide gross weight, surplus is filler, and described filler is one or more in clay, kaolin, bentonite.
4. according to claim 3 a kind of containing probenazole and the composite bactericide of Prochloraz, it is characterized in that, described wetting agent is one or more in Chinese honey locust sweet smell, silkworm excrement, neopelex, washing powder, described dispersant is anionic dispersing agent, for one or more in lignin, alkylsulfonate, described binding agent is one or more in starch, gum Arabic, gypsum, rosin, paraffin, and described disintegrant is one or more in sulphur ammonium, salt, urea, bentonite.
5. according to claim 2 a kind of containing probenazole and the composite bactericide of Prochloraz, it is characterized in that, when described bactericide is wetting powder, described auxiliary agent is the wetting agent of the 3-15% of bactericide gross weight, the dispersant of 2-15%, surplus is filler, and described filler is one or more in clay, kaolin, bentonite.
6. according to claim 5 a kind of containing probenazole and the composite bactericide of Prochloraz, it is characterized in that, described wetting agent is one or more in Chinese honey locust sweet smell, silkworm excrement, neopelex, washing powder, described dispersant is anionic dispersing agent, is one or more in lignin, alkylsulfonate.
7. according to claim 2 a kind of containing probenazole and the composite bactericide of Prochloraz, it is characterized in that, when described bactericide is aqueous emulsion, described auxiliary agent is emulsifier, the antifreezing agent of 1-5%, the thickener of 0.1-2%, the solvent of 3-15% of the 1-8% of bactericide gross weight, surplus is filler, filler is water, and described solvent is one or more in alcohols, ketone, ester class and aromatic hydrocarbon.
8. according to claim 7 a kind of containing probenazole and the composite bactericide of Prochloraz, it is characterized in that, described emulsifier is one or more in benzene sulfonamide acid metal salt, described antifreezing agent is one or more in ethylene glycol, propane diols, sorbierite, described thickener be selected from xanthans, CMC, hydroxyethylcellulose, methylcellulose or polyvinyl alcohol one or more.
9. described in any one of claim 1-8, preventing and treating the application in wheat scab and rice blast containing probenazole and the composite bactericide of Prochloraz.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101861871A (en) * | 2010-03-02 | 2010-10-20 | 陕西美邦农资贸易有限公司 | Sterilization compound containing imazalil and prochloraz |
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| CN101861871A (en) * | 2010-03-02 | 2010-10-20 | 陕西美邦农资贸易有限公司 | Sterilization compound containing imazalil and prochloraz |
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| Potential of Fungicides and Plant Activator for Postharvest Disease Management in Mangoes;MUHAMMAD AMIN et al.;《INTERNATIONAL JOURNAL OF AGRICULTURE & BIOLOGY》;20111231;第13卷(第5期);第671-676页 * |
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