CN102067852A - Fungicide combination containing polyoxin and pyrimidine compound - Google Patents
Fungicide combination containing polyoxin and pyrimidine compound Download PDFInfo
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- CN102067852A CN102067852A CN2011100229676A CN201110022967A CN102067852A CN 102067852 A CN102067852 A CN 102067852A CN 2011100229676 A CN2011100229676 A CN 2011100229676A CN 201110022967 A CN201110022967 A CN 201110022967A CN 102067852 A CN102067852 A CN 102067852A
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- polyoxin
- cyprodinil
- bactericidal composition
- mould amine
- phonetic mould
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Abstract
The invention relates to a fungicide combination with a synergistic effect. The active components of the fungicide combination include polyoxin and cyprodinil or pyrimethanil, wherein the weight ratio of the polyoxin to the cyprodinil or the pyrimethanil is 64:1 to 1:64, and aids and excipients are added into the active components, so that water-dispersible granules, wettable powder and the like for preventing and controlling diseases caused by ascomycetous, basidiomycetous and deuteromycetous fungi are prepared.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of application of combination sterilization composition on crop pest that contains polyoxin and pyrimidines.
Technical background
Polyoxin (polyoxin), molecular formula: C
17H
25N
5O
14, chemical name peptide pyrimidine nucleoside.
Structural formula:
Polyoxin broad-spectrum antibiotics class, inhale conduction in having preferably, its mechanism of action is to disturb the chitinous biosynthesis of bacterial cell wall, and germ tube is with after mycelium contacts medicament, expand the part, break, overflow cell inclusion, and can not normal development, cause death, suppress germ in addition and produce spore and scab expansion effect, this medicine does not have toxicity to animal, and plant is not had poisoning.Main controlling object has wheat powdery mildew, Alternaria alternate, cucumber downy mildew, cucurbits fusarium wilt, genseng black spot, gray mold of cucumber, alternaria leaf spot of apple, strawberry and worker's grape grey mould, multiple fungal diseases such as forest spike top and pears black spot.
Cyprodinil (cyprodinil) molecular formula: C
14H
15N
3, chemical name: 4-cyclopropyl-6-methyl-N-phenyl pyrimidine-2-amine.
Cyprodinil suppresses the biosynthesis of methionine, suppresses the secretion of hydrolase.Absorbed rapidly by blade in plant corpus, be penetrated into more than 30% in the tissue, protected sediment is stored in the blade; transmit in xylem, also transmit between blade, metabolism at high temperature is rapid relatively; sediment quite stable under the low temperature in blade, metabolite inanimate object activity.
Phonetic mould amine (pyrimethanil), molecular formula are C
12H
13N
3, chemical name: N-(4,6-dimethyl pyrimidine-2-yl) aniline.
Phonetic mould amine is a kind of new type bactericide, belongs to anilino-pyrimidine.Its mechanism of action uniqueness promptly suppresses cause of disease mattress protein secreting, comprises reducing some hydrolase levels, and these enzymes advance the people host plant and cause that the necrosis of host tissue is relevant with pathogen by inference.In having simultaneously, phonetic mould amine inhales conduction and fumigation action, the spray medicines such as flower, young fruit that reach plant after the dispenser rapidly position kill pathogens that is beyond one's reach, and drug effect is faster, more stable.The drug effect of phonetic mould amine is used under relatively low temperature temperature-insensitive, and its effect does not change.
No matter be polyoxin, cyprodinil, phonetic mould amine or other efficient germicides, long-term use separately makes disease develop immunity to drugs easily, causes the problem that dosage strengthens, preventive effect reduces, the lasting period shortens, and is unfavorable for environment sustainable development.The active ingredient of the different mechanisms of action is carried out composite, is to delay the disease method commonly used that develops immunity to drugs, and according to the effect in the production application, judge this composite be synergistic effect or antagonism.Complex role is more significantly filled a prescription, and can obviously improve preventive effect, reduces the dosage of agricultural chemicals greatly, also can enlarge fungicidal spectrum, improves germicidal efficiency.Two kinds of active component mechanism of action points are different in the present composition, and composite mutually have good synergistic effect within the specific limits.And composite about polyoxin and cyprodinil or phonetic mould amine 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 bactericidal composition that contains polyoxin.
The present invention is achieved through the following technical solutions:
A kind of bactericidal composition that contains polyoxin and pyrimidines, the weight ratio that it is characterized in that bactericidal composition effective active composition polyoxin and cyprodinil or phonetic mould amine is 64: 1 to 1: 64, preferred weight ratio is 16: 1 to 1: 16.
Described bactericidal composition is characterized in that: wherein the weight ratio of polyoxin and cyprodinil is 8: 1 to 1: 16, is preferably 4: 1 to 1: 16.
Described bactericidal composition is characterized in that: wherein the weight ratio of polyoxin and phonetic mould amine is 8: 1 to 1: 16, is preferably 4: 1 to 1: 16.
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 1～90% of a gross weight in the composition, and preferable is 10%～80%.
Bactericidal composition of the present invention can add corresponding additive and excipient on demand, is processed into acceptable forms on any agricultural chemicals, and the wherein excellent formulation of selecting is wetting powder, water dispersible granules.
Described auxiliary agent and excipient are selected from: one or more of dispersant, wetting agent, disintegrant, binding agent, filler.
Described dispersant is selected from polycarboxylate, lignosulfonates, the phonetic formaldehyde condensation products sulphate of alkylphenol-polyethenoxy, alkyl benzene sulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol-polyethenoxy is phonetic, aliphatic amine polyoxyethylene is phonetic, in phonetic one or more of polyoxyethylene carboxylate, ester polyoxyethylene.
Described wetting agent is selected from: one or more in lauryl sodium sulfate, neopelex, Nekal BX, wetting and penetrating agent F, spaonin powder, silkworm excrement, the soapberry powder.
Described disintegrant is selected from: one or more in bentonite, urea, ammonium sulfate, glucose, the aluminium chloride.
Described binding agent is selected from: one or more in diatomite, starch, PVA, carboxymethyl (ethyl) cellulose.
Described filler is selected from: one or more in kaolin, diatomite, bentonite, attapulgite, white carbon, starch, the precipitated calcium carbonate.
The described bactericidal composition that contains polyoxin and cyprodinil or phonetic mould amine is used for preventing and treating disease due to the germ of child Gammaproteobacteria, Basidiomycetes and Fungi Imperfecti, especially downy mildew, gray mold, eqpidemic disease, powdery mildew, scab, spot defoliation, net blotch, glume blight and eyeprint disease is had good preventive effect.
Beneficial effect of the present invention: (1) present composition effective active composition polyoxin and cyprodinil or phonetic mould amine 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 few in the present invention, is difficult for producing poisoning, is convenient to transportation and storage; (4) present composition has special efficacy to downy mildew, gray mold, eqpidemic disease, powdery mildew, scab, spot defoliation, net blotch, glume blight and wheat eyeprint disease.
Embodiment
To further instruction of the present invention, the percentage among the embodiment all is weight percentage below in conjunction with embodiment, but the present invention is not limited thereto.
The embodiment of the invention is the method that adopts Toxicity Determination and field trial to combine.
Implementation of an application example one the implementation of Formulation Example
(1) the phonetic mould amine of polyoxin
The phonetic mould amine wetting powder of embodiment 1 80% polyoxin
Polyoxin 10%, phonetic mould amine 70%, polycarboxylate 5%, neopelex 3%, soapberry powder 2%, starch add to 100%, and mixture carries out comminution by gas stream, make the phonetic mould amine wetting powder of 80% polyoxin.
The phonetic mould amine wetting powder of embodiment 2 65% polyoxins
Polyoxin 5%, phonetic mould amine 60%, lignosulfonates 5%, spaonin powder 3%, white carbon 7%, diatomite add to 100%, and mixture carries out comminution by gas stream, make the phonetic mould amine wetting powder of 65% polyoxin.
The phonetic mould amine wetting powder of embodiment 3 55% polyoxins
Polyoxin 5%, phonetic mould amine 50%, alkylphenol-polyethenoxy are phonetic 5%, neopelex 3%, white carbon 8%, bentonite add to 100%, and mixture carries out comminution by gas stream, makes the phonetic mould amine wetting powder of 55% polyoxin.
Embodiment 4 80% polyoxin pyrimethanil water dispersible granules
Polyoxin 15%, phonetic mould amine 65%, alkylphenol-polyethenoxy are phonetic 3%, polyoxyethylene carboxylate 3%, lauryl sodium sulfate 4%, ammonium sulfate 2%, bentonite add to 100%, mixed 80% polyoxin pyrimethanil water dispersible granule.
Embodiment 5 60% polyoxin pyrimethanil water dispersible granules
Polyoxin 10%, phonetic mould amine 50%, polycarboxylate 3%, lignosulfonates 3%, lauryl sodium sulfate 4%, sodium bicarbonate 3%, bentonite 8%, kaolin add to 100%, the mixed 60% polyoxin pyrimethanil water dispersible granule that gets.
Embodiment 6 10% polyoxin pyrimethanil water dispersible granules
Polyoxin 5%, phonetic mould amine 5%, alkylphenol-polyethenoxy are phonetic 4%, DBSA 4%, urea 10%, diatomite add to 100%, mixed 10% polyoxin pyrimethanil water dispersible granule.
(2) polyoxin cyprodinil
Embodiment 7 80% polyoxin cyprodinil wetting powders
Polyoxin 10%, cyprodinil 70%, lignosulfonates 5%, spaonin powder 3%, white carbon 7%, starch add to 100%, and mixture carries out comminution by gas stream, make 80% polyoxin cyprodinil wetting powder.
Embodiment 8 60% polyoxin cyprodinil wetting powders
Polyoxin 5%, cyprodinil 55%, alkylphenol-polyethenoxy are phonetic 5%, neopelex 3%, kaolin add to 100%, and mixture carries out comminution by gas stream, makes 60% polyoxin cyprodinil wetting powder.
Embodiment 9 55% polyoxin cyprodinil wetting powders
Polyoxin 5%, cyprodinil 50%, lignosulfonates 5%, wetting and penetrating agent F3%, kaolin add to 100%, and mixture carries out comminution by gas stream, make 55% polyoxin cyprodinil wetting powder.
Embodiment 10 80% polyoxin cyprodinil water dispersible granules
Polyoxin 10%, cyprodinil 70%, alkylphenol-polyethenoxy are phonetic 3%, lignosulfonates 3%, lauryl sodium sulfate 4%, bentonite add to 100%, mixed 80% polyoxin cyprodinil water dispersible granules.
Embodiment 11 60% polyoxin cyprodinil water dispersible granules
Polyoxin 20%, cyprodinil 40%, polycarboxylate 3%, polyoxyethylene carboxylate 3%, lauryl sodium sulfate 4%, sodium bicarbonate 3%, sodium chloride 5%, diatomite add to 100%, the mixed 60% polyoxin cyprodinil water dispersible granules that gets.
Embodiment 12 50% polyoxin cyprodinil water dispersible granules
Polyoxin 5%, cyprodinil 45%, alkylphenol-polyethenoxy are phonetic 5%, dodecyl benzene sulfonate 3%, starch 10%, bentonite add to 100%, mixed 50% polyoxin cyprodinil water dispersible granules.
Implementation of an application example two: polyoxin and cyprodinil (or phonetic mould amine) are composite to the botrytis cinerea pers Toxicity Determination
Test medicine provides by Shaanxi agricultural chemicals Co., Ltd of U.S. nation.
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 botrytis cinerea pers.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 polyoxin and cyprodinil (or phonetic mould amine) shared ratio in combination.
A is a polyoxin
B is cyprodinil or phonetic mould amine
Result of the test is shown in table 1, table 2:
Toxicity test result one:
Table 1 polyoxin, cyprodinil and composite toxicity test analysis of results table thereof to botrytis cinerea pers
As shown in Table 1, polyoxin, cyprodinil are to the EC of botrytis cinerea pers
50Be respectively 1.21mg/L and 5.43mg/L.The virulence of polyoxin is lower than the virulence of cyprodinil.Polyoxin and cyprodinil were mixed in the scope at 64: 1 to 1: 64 and all show obvious synergistic effect, and wherein synergistic effect is the most obvious when polyoxin and cyprodinil weight ratio are in 8: 1 to 1: 16 scopes.
Toxicity test result two:
Table 2 polyoxin, phonetic mould amine and composite toxicity test analysis of results table thereof to botrytis cinerea pers
As shown in Table 2, polyoxin, phonetic mould amine are to the EC of botrytis cinerea pers
50Be respectively 1.18mg/L and 5.35mg/L.The virulence of polyoxin is lower than the virulence of phonetic mould amine.Polyoxin and phonetic mould amine were mixed in the scope at 64: 1 to 1: 64 and all show obvious synergistic effect, and wherein synergistic effect is the most obvious when polyoxin and phonetic mould amine weight ratio are in 8: 1 to 1: 16 scopes.
Implementation of an application example three polyoxins and cyprodinil (or phonetic mould amine) and the composite control cucumber downy mildew test of pesticide effectiveness thereof
This experimental establishment is in the Shanggao County, Jiangxi Province, test medicine is researched and developed, is provided by Shaanxi agricultural chemicals Co., Ltd of U.S. nation, contrast medicament 10% polyoxin wetting powder (commercial), 50% cyprodinil water dispersible granules (commercial), 20% phonetic mould amine wetting powder (commercial).
In the dispenser of cucumber downy mildew their early stage, dispenser in per 7 days once is total to dispenser 2 times, and the investigation disease index was investigated disease index respectively in 10 days, 20 days after the 2nd dispenser before the dispenser, and the calculation correction preventive effect, and result of the test is as follows:
Table 3 polyoxin and cyprodinil (or phonetic mould amine) and the composite control cucumber downy mildew test of pesticide effectiveness thereof
As can be seen from Table 3, polyoxin, cyprodinil (or phonetic mould amine) energy effectively preventing cucumber downy mildew, control efficiency all is better than contrasting medicament, and dosage is little, in the test scope of medication target crop is not had harm.
Embodiment uses four polyoxins and the cyprodinil (or phonetic mould amine) and the composite pear scab test of pesticide effectiveness of preventing and treating thereof
This experimental establishment is in Weinan City Pucheng County, Shaanxi Province, test medicine is researched and developed, is provided by Shaanxi agricultural chemicals Co., Ltd of U.S. nation, contrast medicament 10% polyoxin wetting powder (commercial), 50% cyprodinil water dispersible granules (commercial), 20% phonetic mould amine wetting powder (commercial).
Investigation pear scab disease index before the medicine, in the their early stage dispenser, dispenser in per 7 days once, dispenser is 3 times altogether, for the third time 7 days, 15 days, 30 days investigation disease indexs and calculate preventive effect after the dispenser.Experimental result is as follows:
Table 4 polyoxin, cyprodinil (or phonetic mould amine) and the composite pear scab test of pesticide effectiveness of preventing and treating thereof
As can be seen from Table 4, can effectively prevent and treat pear scab after polyoxin and cyprodinil (or phonetic mould amine) are composite, control efficiency all is better than contrasting medicament, and the lasting period is long.In the test scope of medication, the target crop is had no adverse effects.
Implementation of an application example five polyoxins, cyprodinil (or phonetic mould amine) and the composite control leek gray mold test of pesticide effectiveness thereof
This experimental establishment is in the Hanyuan County, Sichuan Province, test medicine is researched and developed, is provided by Shaanxi agricultural chemicals Co., Ltd of U.S. nation, contrast medicament 10% polyoxin wetting powder (commercial), 50% cyprodinil water dispersible granules (commercial), 20% phonetic mould amine wetting powder (commercial).
Investigation leek gray mold state of an illness radix, total number of sheets, the sick number of sheets and sick leaf-size class number before the medicine, in the their early stage dispenser, dispenser in per 7 days once is total to dispenser 2 times, investigates disease index respectively and calculates preventive effect in 10 days, 20 days after the dispenser for the second time.Experimental result is as follows:
Table 5 polyoxin, cyprodinil (or phonetic mould amine) and the composite control leek gray mold test of pesticide effectiveness thereof
As can be seen from Table 5, can effectively prevent and treat the leek gray mold after polyoxin and cyprodinil (or phonetic mould amine) are composite and take place, control efficiency all is better than contrasting medicament, in this test scope of medication the target crop is had no adverse effects.
Claims (8)
1. bactericidal composition that contains polyoxin and pyrimidines, the weight ratio that it is characterized in that bactericidal composition effective active composition polyoxin and cyprodinil or phonetic mould amine is 64: 1 to 1: 64.
2. bactericidal composition according to claim 1 is characterized in that: wherein the weight ratio of polyoxin and cyprodinil or phonetic mould amine is 16: 1 to 1: 16.
3. bactericidal composition according to claim 2 is characterized in that: wherein the weight ratio of polyoxin and cyprodinil is 8: 1 to 1: 16.
4. bactericidal composition according to claim 2 is characterized in that: wherein the weight ratio of polyoxin and phonetic mould amine is 8: 1 to 1: 16.
5. bactericidal composition according to claim 1 is characterized in that: wherein the effective active component content accounts for 1～90% of gross weight.
6. bactericidal composition according to claim 5 is characterized in that: wherein the effective active component content accounts for 10～80% of gross weight.
7. bactericidal composition according to claim 1 is characterized in that: bactericidal composition is used to prevent and treat the disease on fruit tree, vegetables and the cereal crop.
8. bactericidal composition according to claim 7 is characterized in that: bactericidal composition is used to prevent and treat downy mildew, gray mold, eqpidemic disease, powdery mildew, scab, spot defoliation, net blotch, glume blight and eyeprint disease.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100229676A CN102067852A (en) | 2011-01-20 | 2011-01-20 | Fungicide combination containing polyoxin and pyrimidine compound |
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| CN2011100229676A CN102067852A (en) | 2011-01-20 | 2011-01-20 | Fungicide combination containing polyoxin and pyrimidine compound |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103053552A (en) * | 2013-01-15 | 2013-04-24 | 福建凯立生物制品有限公司 | Farm-oriented bactericide and application thereof |
| CN104012554A (en) * | 2013-03-02 | 2014-09-03 | 陕西美邦农药有限公司 | Compound microbicide composition containing fluorine mepanipyrim |
| CN110622976A (en) * | 2019-10-23 | 2019-12-31 | 六夫丁作物保护有限公司 | Pesticide sterilization composition and application thereof |
| CN111226963A (en) * | 2020-04-02 | 2020-06-05 | 京博农化科技有限公司 | Pesticide compound bactericide and preparation method and application thereof |
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| EP0310550A1 (en) * | 1987-09-28 | 1989-04-05 | Ciba-Geigy Ag | Pesticide |
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2011
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| US4814338A (en) * | 1985-10-30 | 1989-03-21 | Kumiai Chemical Industry Co., Ltd. | Pyrimidine derivative, process for preparing same and agricultural or horticultural fungicidal composition containing same |
| EP0310550A1 (en) * | 1987-09-28 | 1989-04-05 | Ciba-Geigy Ag | Pesticide |
| EP0310550B1 (en) * | 1987-09-28 | 1993-05-26 | Ciba-Geigy Ag | Pesticide |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103053552A (en) * | 2013-01-15 | 2013-04-24 | 福建凯立生物制品有限公司 | Farm-oriented bactericide and application thereof |
| CN103053552B (en) * | 2013-01-15 | 2014-11-12 | 福建凯立生物制品有限公司 | Farm-oriented bactericide and application thereof |
| CN104012554A (en) * | 2013-03-02 | 2014-09-03 | 陕西美邦农药有限公司 | Compound microbicide composition containing fluorine mepanipyrim |
| CN110622976A (en) * | 2019-10-23 | 2019-12-31 | 六夫丁作物保护有限公司 | Pesticide sterilization composition and application thereof |
| CN111226963A (en) * | 2020-04-02 | 2020-06-05 | 京博农化科技有限公司 | Pesticide compound bactericide and preparation method and application thereof |
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Address after: 715500 Weinan City, Shaanxi province Pucheng County agricultural base industrial park Applicant after: Shaanxi Meibang Pesticide Co., Ltd. Address before: 710075, C, 15 floor, Jinqiao International Plaza, science and technology road, hi tech Zone, Shaanxi, Xi'an Applicant before: Shaanxi Meibang Pesticide Co., Ltd. |
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Application publication date: 20110525 |