CN104255739A - Bactericide composition for preventing and treating wheat scab and application thereof - Google Patents
Bactericide composition for preventing and treating wheat scab and application thereof Download PDFInfo
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- CN104255739A CN104255739A CN201410485523.XA CN201410485523A CN104255739A CN 104255739 A CN104255739 A CN 104255739A CN 201410485523 A CN201410485523 A CN 201410485523A CN 104255739 A CN104255739 A CN 104255739A
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- wheat scab
- preventing
- microbicide compositions
- treating
- metconazole
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Abstract
The invention discloses a bactericide composition for preventing and treating wheat scab, belonging to the technical field of pesticides. Active components contained in the bactericide composition are metconazole and amino-oligosaccharin accounting for 5-60% by weight; the weight ratio of metconazole to amino-oligosaccharin is (1:10) to (10:1). The invention also discloses application of the bactericide composition for preventing and treating wheat scab in prevention and treatment of the wheat scab. Three dosage forms with excellent wheat scab preventing and treating effect are developed by virtue of compounding metconazole and amino-oligosaccharin and adding various additives, so that the bactericide composition not only has an obvious synergistic effect on the wheat scab and improves the preventing and treating effect remarkably, but also can replace part of bactericides with medium and high toxicity, dosage can be reduced, environment pollution is alleviated, and residues on agricultural products can be reduced. Due to the application of the bactericide composition for preventing and treating wheat scab in the prevention and treatment of the wheat scab, drug resistance of the wheat scab to a single bactericide can be delayed, and the advantage of long lasting period is achieved.
Description
Technical field
The invention belongs to technical field of pesticide, be specifically related to a kind of microbicide compositions and the application thereof that prevent and treat wheat scab.
Background technology
Wheat scab has another name called reddish tone miasma, rotten wheat head, has generation in national Ge Mai district, occurs the heaviest with the middle and lower reach of Yangtze River and Northeasten Spring Wheat Area of China.This sick main harm wheat, not only affects wheat yield and also causes wheat seed putrid and deteriorated, and the toxin of this germ secretion can also make person poultry poisoning, the general time can become in the underproduction 1-2, the time underproduction 5-6 of being very popular becomes, and even has no harvest, constitutes a serious threat to Wheat Production.Head blight mainly causes harm fringe portion, but can be injured in each stage of wheat growth, infects seedling stage and causes seedling rotten, and the middle and later periods infects and causes that bar is rotten and fringe is rotten, especially with fringe rotten endanger maximum.General blooming stage infects, and the pustulation period shows disease, and the maturing stage causes disaster.On small ear and lepicena, there is water stain shape foxiness in the head blight initial stage of infecting, after expand to whole small ear gradually, sick small ear is withered and yellow immediately, morbidity the later stage there is the mould layer of pink colloid at small ear base portion.
Wheat scab has multiple fusarium infection to cause, and gibberellic hypha pathogenecity is extremely strong, and distribution is extremely wide.Gibberellic hypha is got over the summer, is survived the winter on the crop residues such as wheat or maize straw, survives the winter with mycelium state; Spring in next year, shape ascospore, was transmitted to wheatear portion through air-flow, invaded small ear from wilting flower pesticide; Wheat different growing has very big-difference to the difficulty or ease that germ invades, and blooming stage is the most susceptible, and heading stage takes second place; Having under the existent condition of a large amount of bacterium sources, if meet more than 3 days wet weather continuously between wheat heading flowering period, temperature remains on more than 15 DEG C, and head blight will be very popular.
Summary of the invention
Goal of the invention: the object of the present invention is to provide a kind of microbicide compositions preventing and treating wheat scab, can significantly improve the control efficiency of head blight, reduces dosage, reduction environmental pollution and agricultural product and remains, reduce costs.Another object of the present invention is to provide the microbicide compositions preventing and treating wheat scab and is preventing and treating the application in wheat scab.
Technical scheme: for achieving the above object, the present invention adopts following technical scheme:
A kind of microbicide compositions preventing and treating wheat scab, it is characterized in that: the active component that this microbicide compositions contains be weight percentage 5 ~ 60% metconazole and amino-oligosaccharide, described metconazole and the weight ratio of amino-oligosaccharide are (1:10) ~ (10:1).
Described microbicide compositions is the one in water dispersible granules, wetting powder and aqueous emulsion agent.
Described microbicide compositions is water dispersible granules, and this bactericidal composition also comprises surfactant, dispersant and the nitrogenous fertilizer that percentage by weight is 5 ~ 30%, and surplus is filler.Described surfactant is the mixture of lauryl sodium sulfate and cinnamic alcohol APEO; Described dispersant is the mixture of lignosulfonates, sulfonic acid polyformaldehyde condensation product and polyethylene glycol; Described binding agent is sodium carboxymethylcellulose; Described nitrogenous fertilizer is ammonium sulfate; Described filler is kaolin.
Prepare the method that water dispersible granules prevents and treats the microbicide compositions of wheat scab to comprise, after the effective active composition of microbicide compositions, surfactant, dispersant, nitrogenous fertilizer and filler are configured in proportion, stir, obtain female powder after crushed, then female powder is mixed with binding agent, then granulation, dry, sieve, metconazole-amino-oligosaccharide water dispersible granules can be obtained.
Described microbicide compositions is wetting powder, and this bactericidal composition also comprises surfactant and the dispersant that percentage by weight is 5 ~ 30%, and surplus is filler.Described surfactant is lauryl sodium sulfate, sodium lignin sulfonate and pulls open powder; Described filler is diatomite.
Prepare the method that wetting powder prevents and treats the microbicide compositions of wheat scab to comprise, the effective active composition of microbicide compositions, surfactant, dispersant and filler are configured in proportion, after air-flow crushing, mix and blend 30 minutes in cone-type mixer, can obtain metconazole-amino-oligosaccharide wetting powder.
Described microbicide compositions is aqueous emulsion, this bactericidal composition also comprise percentage by weight be 5 ~ 30% solvent, emulsifier, defoamer, antifreeze, thickener and agricultural chemicals suspension agent.Described solvent is dimethylbenzene and 1-METHYLPYRROLIDONE; Described emulsifier is alkyl benzene calcium sulfonate and phenethyl phenol mela mine-formaldehyde resin polyoxyethyl ether; Described antifreeze is ethylene glycol; Described defoamer is silicone compound; Described thickener is xanthans; Described agricultural chemicals suspension agent is aluminium-magnesium silicate.
Prepare the method that aqueous emulsion prevents and treats the microbicide compositions of wheat scab to comprise, after the effective active composition of microbicide compositions, solvent and emulsifier being fitted together in proportion, be dissolved into homogeneous oil phase; Then water, antifreeze, thickener, defoamer and agricultural chemicals suspension agent are mixed, uniformly aqueous phase; Again under high velocity agitation, aqueous phase is added oil phase, namely obtain metconazole-amino-oligosaccharide aqueous emulsion.
The microbicide compositions preventing and treating wheat scab of preparation is preventing and treating the application in wheat scab.
Beneficial effect: compared with prior art, the microbicide compositions preventing and treating wheat scab of the present invention, by adopt metconazole and amino-oligosaccharide composite, and add various auxiliary agent, develop the formulation that three kinds are prevented and treated wheat scab excellent effect, not only to head blight, there is obvious synergistic effect, can control efficiency be significantly improved; And can high poisoning microbial inoculum in Substitute For Partial, reduce dosage, reduce the residual of environmental pollution and agricultural product; Meanwhile, the microbicide compositions preventing and treating wheat scab of the present invention can delay the pesticide resistance of head blight to single bactericide preventing and treating the application in wheat scab, has lasting period long advantage, compared with single medicament, can reduce costs.
Embodiment
Below in conjunction with specific embodiment, the present invention is described further.
Embodiment 1: percentage by weight is 55% metconazole-amino-oligosaccharide water dispersible granules
The microbicide compositions preventing and treating wheat scab comprises 5g metconazole, 50g amino-oligosaccharide, 4g lauryl sodium sulfate, 2g ethoxylated dodecyl alcohol, 2g lignosulfonates, 2g sulfonic acid polyformaldehyde condensation product (NNO), 2g polyethylene glycol, 4g ammonium sulfate and 10g sodium carboxymethylcellulose, it is mended to 100g by kaolin.
Embodiment 2: percentage by weight is 55% metconazole-amino-oligosaccharide water dispersible granules
The microbicide compositions preventing and treating wheat scab comprises 50g metconazole, 5g amino-oligosaccharide, 4g lauryl sodium sulfate, 2g ethoxylated dodecyl alcohol, 2g lignosulfonates, 2g sulfonic acid polyformaldehyde condensation product (NNO), 2g polyethylene glycol, 4g ammonium sulfate, 10g sodium carboxymethylcellulose, it is mended to 100g by kaolin.
According to the formula of embodiment 1,2, by active ingredient, auxiliary agent, filler mixing, after stirring, female powder is obtained through pulverizing, female powder is mixed with binding agent (carboxymethyl cellulose), then granulation, dries, sieve, metconazole-amino-oligosaccharide water dispersible granules can be obtained.
Embodiment 3:50% metconazole-amino-oligosaccharide wetting powder
The microbicide compositions preventing and treating wheat scab comprises 25g metconazole, 25g amino-oligosaccharide, 4g lauryl sodium sulfate, 4g sodium lignin sulfonate and 2g and pulls open powder (BX), and it supplies 100g by diatomite.
Embodiment 4:60% metconazole-amino-oligosaccharide wetting powder
The microbicide compositions preventing and treating wheat scab comprises 20g metconazole, 40g amino-oligosaccharide, 6g lauryl sodium sulfate, 5g sodium lignin sulfonate, 4g pull open powder (BX), and it supplies 100g by diatomite.
According to the formula of embodiment 3,4, active ingredient, auxiliary agent, filler are added together, after air-flow crushing, mix and blend 30 minutes in cone-type mixer, can obtain metconazole-amino-oligosaccharide wetting powder.
Embodiment 5:30% metconazole-amino-oligosaccharide aqueous emulsion
The microbicide compositions preventing and treating wheat scab comprises 10g metconazole, 20g amino-oligosaccharide, 10g dimethylbenzene, 5gN-methyl pyrrolidone, 2g alkyl benzene calcium sulfonate, 6g phenethyl phenol mela mine-formaldehyde resin polyoxyethyl ether, 4g ethylene glycol, 0.4g silicone compound, 0.1g xanthans, 0.8g aluminium-magnesium silicate, and it adds water and mends to 100g.
Embodiment 6:20% metconazole-amino-oligosaccharide aqueous emulsion
The microbicide compositions preventing and treating wheat scab comprises 16g metconazole, 4g amino-oligosaccharide, 10g dimethylbenzene, 5gN-methyl pyrrolidone, 2g alkyl benzene calcium sulfonate, 6g phenethyl phenol mela mine-formaldehyde resin polyoxyethyl ether, 4g ethylene glycol, 0.4g silicone compound, 0.1g xanthans, 0.8g aluminium-magnesium silicate, and it adds water and mends to 100g.
According to the formula of embodiment 5,6, active ingredient, solvent, emulsifier are added together, are dissolved into homogeneous oil phase; Water, antifreeze, thickener, defoamer are mixed, uniformly.Under high velocity agitation, aqueous phase is added oil phase, metconazole-amino-oligosaccharide aqueous emulsion can be obtained.
Embodiment 7: metconazole-amino-oligosaccharide prevents and treats wheat scab
The present invention tests: on April 29th, 2014 is watered 50 kilograms by every mu of medication amount of formulation and carries out even spraying, altogether dispenser 1 time, and investigation result is as table 1.
Table 1 metconazole-amino-oligosaccharide prevents and treats wheat scab field control effectiveness test
Claims (9)
1. prevent and treat the microbicide compositions of wheat scab for one kind, it is characterized in that: the active component that this microbicide compositions contains be weight percentage 5 ~ 60% metconazole and amino-oligosaccharide, described metconazole and the weight ratio of amino-oligosaccharide are (1:10) ~ (10:1).
2. the microbicide compositions preventing and treating wheat scab according to claim 1, is characterized in that: described microbicide compositions is the one in water dispersible granules, wetting powder and aqueous emulsion agent.
3. the microbicide compositions preventing and treating wheat scab according to claim 2, it is characterized in that: described microbicide compositions is water dispersible granules, this bactericidal composition also comprise percentage by weight be 5 ~ 30% surfactant, dispersant, binding agent and nitrogenous fertilizer, surplus is filler.
4. the microbicide compositions preventing and treating wheat scab according to claim 3, is characterized in that: described surfactant is the mixture of lauryl sodium sulfate and cinnamic alcohol APEO; Described dispersant is the mixture of lignosulfonates, sulfonic acid polyformaldehyde condensation product and polyethylene glycol; Described binding agent is sodium carboxymethylcellulose; Described nitrogenous fertilizer is ammonium sulfate; Described filler is kaolin.
5. the microbicide compositions preventing and treating wheat scab according to claim 2, it is characterized in that: described microbicide compositions is wetting powder, this bactericidal composition also comprises surfactant and the dispersant that percentage by weight is 5 ~ 30%, and surplus is filler.
6. the microbicide compositions preventing and treating wheat scab according to claim 5, is characterized in that: described surfactant is lauryl sodium sulfate, sodium lignin sulfonate and pulls open powder; Described filler is diatomite.
7. the microbicide compositions preventing and treating wheat scab according to claim 2, it is characterized in that: described microbicide compositions is aqueous emulsion, this bactericidal composition also comprise percentage by weight be 5 ~ 30% solvent, emulsifier, defoamer, antifreeze, thickener and agricultural chemicals suspension agent.
8. the microbicide compositions preventing and treating wheat scab according to claim 7, is characterized in that: described solvent is dimethylbenzene and 1-METHYLPYRROLIDONE; Described emulsifier is alkyl benzene calcium sulfonate and phenethyl phenol mela mine-formaldehyde resin polyoxyethyl ether; Described antifreeze is ethylene glycol; Described defoamer is silicone compound; Described thickener is xanthans; Described agricultural chemicals suspension agent is aluminium-magnesium silicate.
9. the microbicide compositions preventing and treating wheat scab that in claim 1 ~ 8 prepared by any one is preventing and treating the application in wheat scab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410485523.XA CN104255739A (en) | 2014-09-22 | 2014-09-22 | Bactericide composition for preventing and treating wheat scab and application thereof |
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| CN201410485523.XA CN104255739A (en) | 2014-09-22 | 2014-09-22 | Bactericide composition for preventing and treating wheat scab and application thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106165688A (en) * | 2016-07-25 | 2016-11-30 | 于淦军 | A kind of containing metconazole with the composite bactericide of chitosan compositions |
| CN107836459A (en) * | 2017-10-24 | 2018-03-27 | 安徽丰乐农化有限责任公司 | A kind of suspension seed-coating agent containing metconazole, amino-oligosaccharide and clothianidin |
| CN112674103A (en) * | 2020-12-29 | 2021-04-20 | 安徽丰乐农化有限责任公司 | Antibacterial composition, pesticide bactericide and method for preventing and treating diseases of crops |
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| CN101816305A (en) * | 2010-05-09 | 2010-09-01 | 海南正业中农高科股份有限公司 | Bactericide pesticide composite containing oligochitosan |
| CN103392737A (en) * | 2013-07-26 | 2013-11-20 | 海南正业中农高科股份有限公司 | Agricultural composition taking oligosaccharide and sulphur as synergistic components |
| CN103493828A (en) * | 2013-09-11 | 2014-01-08 | 江苏耘农化工有限公司 | Bactericide composition containing low molecular chitosanchitooligosaccharide |
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- 2014-09-22 CN CN201410485523.XA patent/CN104255739A/en active Pending
Patent Citations (3)
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| CN101816305A (en) * | 2010-05-09 | 2010-09-01 | 海南正业中农高科股份有限公司 | Bactericide pesticide composite containing oligochitosan |
| CN103392737A (en) * | 2013-07-26 | 2013-11-20 | 海南正业中农高科股份有限公司 | Agricultural composition taking oligosaccharide and sulphur as synergistic components |
| CN103493828A (en) * | 2013-09-11 | 2014-01-08 | 江苏耘农化工有限公司 | Bactericide composition containing low molecular chitosanchitooligosaccharide |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106165688A (en) * | 2016-07-25 | 2016-11-30 | 于淦军 | A kind of containing metconazole with the composite bactericide of chitosan compositions |
| CN107836459A (en) * | 2017-10-24 | 2018-03-27 | 安徽丰乐农化有限责任公司 | A kind of suspension seed-coating agent containing metconazole, amino-oligosaccharide and clothianidin |
| CN112674103A (en) * | 2020-12-29 | 2021-04-20 | 安徽丰乐农化有限责任公司 | Antibacterial composition, pesticide bactericide and method for preventing and treating diseases of crops |
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