CN104082331A - Thiabendazole and prochloraz compounded bactericide and application thereof - Google Patents

Thiabendazole and prochloraz compounded bactericide and application thereof Download PDF

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Publication number
CN104082331A
CN104082331A CN201410362575.8A CN201410362575A CN104082331A CN 104082331 A CN104082331 A CN 104082331A CN 201410362575 A CN201410362575 A CN 201410362575A CN 104082331 A CN104082331 A CN 104082331A
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prochloraz
bactericide
probenazole
filler
agent
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CN104082331B (en
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缪康
王莉莉
吉沐祥
吴祥
赵来成
张建华
费子华
陈源
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Zhenjiang Institute of Agricultural Sciences Jiangsu Hilly Area
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Jiangsu Lvdun Plant Protection Agrochemlcal Experimental Co Ltd
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Abstract

The invention discloses a thiabendazole and prochloraz compounded bactericide. The bactericide contains thiabendazole and prochloraz with the weight ratio of (3:1) to (11:1). The invention also discloses application of the thiabendazole and prochloraz compounded bactericide to prevention and control on wheat scab and rice blast. Compared with a conventional single pesticide, the thiabendazole and prochloraz compounded bactericide has the remarkable synergism on the wheat scab and can remarkably improve the prevention and control effect; the thiabendazole and prochloraz compounded bactericide can substitute part of medium-high poison bactericides, can reduce the use amount, reduce the environment pollution and agricultural product residue, can delay the drug resistance of the wheat scab on a single bactericide, has the long lasting effect, and can reduce the cost compared with a single agent. Practical tests prove that the thiabendazole and prochloraz compounded bactericide has the remarkable prevention and control effect on the wheat scab and the rice blast.

Description

A kind of bactericide that contains probenazole and Prochloraz and application thereof
Technical field
The invention belongs to technical field of pesticide, be specifically related to a kind of bactericide that contains probenazole and Prochloraz and application thereof.
Background technology
Wheat scab Winter Wheat Area, the middle and lower reach of Yangtze River and Northeasten Spring Wheat Area of China rainy in the fringe phase, that have a humid climate occur seriously, also often to occur at other Mai Qu, cause that loss is larger.Due to current large area produce being mainly of upper plantation susceptible or in anti-kind, chemical control is still the important means of controlling head blight.In production, this sick medicament of control is taking carbendazim etc. as main, and pesticide resistance has appearred in use all the year round.Rice blast is one of Major Diseases on China paddy rice, occurs throughout the year, loses larger.It is longer that large area is produced the time limit that above the main medicament of control rice blast uses, and as tricyclazole has had the history of more than 20 year in nineteen eighty-two so far at China's spread, exists the risk developing immunity to drugs.
Summary of the invention
Goal of the invention: first object of the present invention has been to provide a kind of control efficiency to prevent and treat preferably the bactericide that contains probenazole and Prochloraz of wheat scab.Another object of the present invention has been to provide the application of above-mentioned bactericide.
Technical scheme: for solving the problems of the technologies described above, the invention provides a kind of probenazole and composite bactericide of Prochloraz of containing, 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, in the time that 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, in the time that 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, in the time that described bactericide is aqueous emulsion, described auxiliary agent comprises the emulsifier of 1-8%, the antifreezing agent of 1-5%, the thickener of 0.1-2%, the solvent of 3-15%, 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 is selected from one or more in xanthans, CMC, hydroxyethylcellulose, methylcellulose or polyvinyl alcohol, and described solvent is one or more in alcohols, ketone, ester class and aromatic hydrocarbon.
Above-mentioned probenazole and the composite bactericide of Prochloraz of containing is in the application preventing and treating aspect wheat scab and paddy rice rice blast epidemic disease.
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, high poisoning microbial inoculum in can Substitute For Partial, reduces dosage, reduces the residual of environmental pollution and agricultural product; 3, can delay the pesticide resistance of wheat scab to single bactericide, 4, have advantages of that the lasting period is long, 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 five kinds of weight ratios of 11:1 respectively.
Above-mentioned 1-5 five ratios are carried out to indoor measurement to the inhibitory action of fusarium graminearum.Test adopts growth rate method, first each proportioning is made into series concentration gradient.The aseptic card punch that is 0.5cm with diameter by the fusarium graminearum after secondary separation is cultivated goes out to punch for subsequent use in bacterium colony leading edge, then move on pastille PDA plating medium, is placed in 25 ± 1 DEG C of incubators and cultivates, and cultivates and measures colony diameter after 6 days.Every processing repeats 6 times.Measured result is calculated antibacterial percentage compared with the control.5 proportionings are carried out to synergy test by synergy 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 probenazole, Prochloraz and the composite comparison fusarium graminearum obtaining, 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 five kinds of weight ratios of 11:1 respectively.
Above-mentioned 6-10 five ratios are carried out to indoor measurement to the inhibitory action of Pyricularia oryzae.Test adopts growth rate method, first each proportioning is made into series concentration gradient.The aseptic card punch that is 0.5cm with diameter by the Pyricularia oryzae after secondary separation is cultivated goes out to punch for subsequent use in bacterium colony leading edge, then move on pastille PDA plating medium, is placed in 25 ± 1 DEG C of incubators and cultivates, and cultivates and measures colony diameter after 8 days.Every processing repeats 6 times.Measured result is calculated antibacterial percentage compared with the control.5 proportionings are carried out to synergy test by synergy 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 probenazole, Prochloraz and the composite comparison Pyricularia oryzae obtaining, 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, make 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, make 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, make 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, obtain female powder through pulverizing, female powder is mixed with binding agent, then granulation, dry, sieve, can make probenazole Prochloraz water dispersible granules.
Embodiment 6:30% probenazole Prochloraz wetting powder
27g probenazole, 3g Prochloraz, 2g lauryl sodium sulfate, 3g sodium lignin sulfonate, kaolin are supplied 100g, make 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 are supplied 100g, make 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 are supplied 100g, make 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 make 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, make 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, make 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, make 42% probenazole prochloraz aqueous emulsion.
According to the formula of embodiment 9,10,11, active ingredient probenazole and Prochloraz, solvent, emulsifier are added together, be dissolved into even oil phase; Water, antifreeze, thickener, defoamer are mixed, become homogeneous water.Under high-speed stirred, water is added to oil phase, can make probenazole prochloraz aqueous emulsion.
Application experiment example 1: probenazole Prochloraz is prevented and treated wheat scab
The present invention tests totally 12 processing of embodiment 3-embodiment 11,50% Prochloraz WP, 42% probenazole SC and blank is set altogether, every processing repeats 3 times, average, repeat 100 square metres of areas, be watered spray medicine in wheat full heading time with mist sprayer, 18 kilograms of every mu of liquids, investigate each processing head blight disease index for after medicine 14 days, and calculate relative control efficiency with the disease index of check plot.Its result is as table three:
Table three probenazole Prochloraz is prevented and treated 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, bad reaction is not found in field.
Application experiment example 2
The present invention tests totally 12 processing of embodiment 3-embodiment 11,50% Prochloraz WP, 42% probenazole SC and blank is set altogether, every processing repeats 3 times, average, repeat 100 square metres of areas, be watered spray medicine in paddy rice full heading time with mist sprayer, 18 kilograms of every mu of liquids, investigate each processing rice blast disease index for after medicine 14 days, and calculate 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, bad reaction is not found in field.
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 (10)

1. contain the composite bactericide of probenazole and Prochloraz, it is characterized in that, described bactericide comprises probenazole and Prochloraz, and described probenazole and Prochloraz weight proportion scope are 3:1-11:1.
2. a kind of probenazole and composite bactericide of Prochloraz of containing according to claim 1, it is characterized in that, described bactericide also comprises auxiliary agent and filler, and wherein probenazole and Prochloraz account for the 8%-60% of bactericide gross weight, auxiliary agent accounts for the 5%-30% of bactericide gross weight, and all the other are filler.
3. a kind of probenazole and composite bactericide of Prochloraz of containing according to claim 2, is characterized in that, described bactericide is the one in wetting powder, aqueous emulsion or water-dispersible powder.
4. a kind of probenazole and composite bactericide of Prochloraz of containing according to claim 3, it is characterized in that, in the time that 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%, surplus is filler, and described filler is one or more in clay, kaolin, bentonite.
5. a kind of probenazole and composite bactericide of Prochloraz of containing according to claim 4, 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 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.
6. a kind of probenazole and composite bactericide of Prochloraz of containing according to claim 3, it is characterized in that, in the time that described bactericide is wetting powder, described auxiliary agent comprises the wetting agent of 3-15%, the dispersant of 2-15%, surplus is filler, and described filler is one or more in clay, kaolin, bentonite.
7. a kind of probenazole and composite bactericide of Prochloraz of containing according to claim 6, 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 and derivative sulfonate, alkylsulfonate.
8. a kind of probenazole and composite bactericide of Prochloraz of containing according to claim 3, it is characterized in that, in the time that described bactericide is aqueous emulsion, described auxiliary agent comprises the emulsifier of 1-8%, the antifreezing agent of 1-5%, the thickener of 0.1-2%, the solvent of 3-15%, surplus is filler, and filler is water.
9. a kind of probenazole and composite bactericide of Prochloraz of containing according to claim 8, 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 is selected from one or more in xanthans, CMC, hydroxyethylcellulose, methylcellulose or polyvinyl alcohol, and described solvent is one or more in alcohols, ketone, ester class and aromatic hydrocarbon.
10. described in claim 1-9 any one, contain probenazole and the composite bactericide of Prochloraz in the application preventing and treating aspect wheat scab and rice blast.
CN201410362575.8A 2014-07-28 2014-07-28 A kind of bactericide and application thereof containing probenazole and Prochloraz Active CN104082331B (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MUHAMMAD AMIN ET AL.: "Potential of Fungicides and Plant Activator for Postharvest Disease Management in Mangoes", 《INTERNATIONAL JOURNAL OF AGRICULTURE & BIOLOGY》 *

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