CN103039492B - Pesticide compound bactericide - Google Patents
Pesticide compound bactericide Download PDFInfo
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- CN103039492B CN103039492B CN201310000422.4A CN201310000422A CN103039492B CN 103039492 B CN103039492 B CN 103039492B CN 201310000422 A CN201310000422 A CN 201310000422A CN 103039492 B CN103039492 B CN 103039492B
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- Prior art keywords
- bactericide
- prochloraz
- tmtd
- agent
- water
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 23
- 239000003899 bactericide agent Substances 0.000 title claims abstract description 20
- 239000000575 pesticide Substances 0.000 title abstract description 7
- 150000001875 compounds Chemical class 0.000 title abstract 2
- 239000005820 Prochloraz Substances 0.000 claims abstract description 16
- TVLSRXXIMLFWEO-UHFFFAOYSA-N prochloraz Chemical compound C1=CN=CN1C(=O)N(CCC)CCOC1=C(Cl)C=C(Cl)C=C1Cl TVLSRXXIMLFWEO-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000375 suspending agent Substances 0.000 claims abstract description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 21
- 239000003795 chemical substances by application Substances 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000000126 substance Substances 0.000 claims description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 7
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 7
- 241001330002 Bambuseae Species 0.000 claims description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 7
- 239000011425 bamboo Substances 0.000 claims description 7
- 229910000278 bentonite Inorganic materials 0.000 claims description 7
- 239000000440 bentonite Substances 0.000 claims description 7
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 7
- 239000002270 dispersing agent Substances 0.000 claims description 7
- 239000004519 grease Substances 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 229920001285 xanthan gum Polymers 0.000 claims description 7
- 238000013329 compounding Methods 0.000 claims description 5
- 239000012752 auxiliary agent Substances 0.000 claims description 2
- 235000007164 Oryza sativa Nutrition 0.000 abstract description 13
- 235000009566 rice Nutrition 0.000 abstract description 13
- 201000010099 disease Diseases 0.000 abstract description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 4
- 238000001228 spectrum Methods 0.000 abstract description 3
- 229920000742 Cotton Polymers 0.000 abstract description 2
- 240000008042 Zea mays Species 0.000 abstract description 2
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 abstract description 2
- 235000002017 Zea mays subsp mays Nutrition 0.000 abstract description 2
- 235000005822 corn Nutrition 0.000 abstract description 2
- 240000007594 Oryza sativa Species 0.000 abstract 2
- 230000009044 synergistic interaction Effects 0.000 abstract 2
- 239000005843 Thiram Substances 0.000 abstract 1
- 239000004480 active ingredient Substances 0.000 abstract 1
- 244000052616 bacterial pathogen Species 0.000 abstract 1
- 230000001954 sterilising effect Effects 0.000 abstract 1
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 abstract 1
- 229960002447 thiram Drugs 0.000 abstract 1
- 239000003814 drug Substances 0.000 description 18
- 241000209094 Oryza Species 0.000 description 11
- 230000002195 synergetic effect Effects 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 239000002131 composite material Substances 0.000 description 7
- 240000002791 Brassica napus Species 0.000 description 6
- 235000006008 Brassica napus var napus Nutrition 0.000 description 6
- 241000221662 Sclerotinia Species 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 241000221696 Sclerotinia sclerotiorum Species 0.000 description 4
- 241001474928 Ustilaginoidea virens Species 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000000855 fungicidal effect Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 230000001018 virulence Effects 0.000 description 4
- 238000004166 bioassay Methods 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 230000000857 drug effect Effects 0.000 description 3
- 230000003449 preventive effect Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 206010059866 Drug resistance Diseases 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000417 fungicide Substances 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 241001330975 Magnaporthe oryzae Species 0.000 description 1
- 241001558929 Sclerotium <basidiomycota> Species 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 230000008485 antagonism Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000009036 growth inhibition Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 231100000820 toxicity test Toxicity 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a pesticide compound bactericide which is a bactericide prepared by taking prochloraz and thiram as active ingredients and is a suspending agent. The bactericide can relieve and control occurrence and harm of diseases; a bactericidal spectrum of the bactericide on crops is expanded; and the bactericide has a good sterilizing bactericidal effect on germs on paddy rice, rape, corn, cotton and the like, particularly has a synergistic interaction on controlling paddy rice false smut and rape sclerotiniose, and is a pesticide bactericide with the synergistic interaction.
Description
Technical field
The present invention relates to agriculture chemicals fungicide field, relate in particular to a kind of agriculture chemicals fungicide composition with synergistic function, specifically relate to a kind of composite bactericide for preventing and controlling green smut of rice and sclerotinia rot of colza.
Background technology
At present, prevent and treat the most effective means of murrain and use exactly chemical bactericide, but actual agricultural chemicals field trial shows, the chronic administration of single chemical bactericide, be prone to that medicament is residual, the problem such as environmental pollution and drug resistance development, become inevitable so release new pesticide species.But because investment and the risk of new varieties of pesticides research and production are increasing, the cycle of the market development is more and more longer, add pest development of drug resistance rapid, make the supply of the effective agent shortage that seems all the more.In recent years, along with deepening continuously of structure, activity and the pesticide resistance research of people to various medicaments, people constantly propose combined use of pesticides, the scheme such as composite.
In order to be reduced in the use cost of practical application, expand its fungicidal spectrum, the inventor has carried out the research of built agent screening and application, to alleviate and to control the occurrence and harm of disease, lays a solid foundation for developing new agriculture chemical compounding agent.
Summary of the invention
Technical problem to be solved by this invention is: for above-mentioned the deficiencies in the prior art, provide a kind of agriculture chemical compounding bactericide, and use cost when it can be reduced in practical application, and alleviate and control the occurrence and harm of disease, expand its fungicidal spectrum.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of agriculture chemical compounding bactericide, by weight percentage, this bactericide is to contain Prochloraz 5%-15% and the tmtd 15%-45% suspending agent as active component, this bactericide also contains auxiliary agent: this grease of 3%-10% bamboo, 0.2-1.0% dispersant NNO, 0.1%-0.5% penetrating agent BX, 0.3%-1.0% fast penetrant T, 0.2%-0.5% xanthans, 0.5%-1.0% bentonite, 5%-10% ethylene glycol and water, water complements to 100%.
When making, accurately take the each composition of above-mentioned formula, put into agitator tank, add after the abundant stirring and dissolving of a small amount of water, add water to 100%, then sand mill agitator is put into agitator tank, to agitator tank pass into condensation cycle water stir 6h, mixing speed is 800r/min, sand milling medium be ceramic bead (diameter be 500 μ m), filter.With laser fineness gage detection suspending agent particle diameter, particle diameter is 1-5 μ m.When use, can be diluted to any suspending agent that needs concentration.
Further illustrate the drug effect of bactericide of the present invention below with concrete data.
One, indoor bioassay
1, the indoor bioassay to Ustilaginoidea virens
Adopt growth rate method, measure single dose A(Prochloraz), single dose B(tmtd) and built agent C(Prochloraz and tmtd composite) the three kinds of virulence of medicament to rice false smut.First three kinds of medicaments are mixed with respectively to variable concentrations gradient (take clear water as contrast), pour into respectively in the culture dish of 75mm diameter, after the condensation of PDA medium, put rice false smut bacterium cake in flat board center, cut inoculated by hypha block that growing power the is consistent central authorities to toxic PDA flat board, after 26 ℃ of constant temperature culture, measure the diameter of bacterium colony.Every processing repeats 3 times.With compare calculating mycelial growth inhibition rate.Calculate EC50 and the EC95 of each medicament, calculate co-toxicity coefficient, judged whether synergistic effect.Criterion be co-toxicity coefficient to be significantly greater than at 100 o'clock be synergistic effect, approach or be slightly less than 100 for summation action, being significantly less than at 100 o'clock is antagonism.The results are shown in following table 1:
The composite synergism test result to Ustilaginoidea virens of table 1 Prochloraz and tmtd
| Medicament | Virulence regression equation | Correlation coefficient (r) | EC 50(mg/L) | EC 95(mg/L) | Co-toxicity coefficient |
| A | y=0.7568x+5.0998 | 0.98 | 0.74 | 108.39 | ? |
| B | y=1.5181x+1.4928 | 0.98 | 204.17 | 2454.7 | ? |
| C | y=1.05x+4.6695 | 0.96 | 2.07 | 75.86 | 210.7 |
As seen from the above table, tri-kinds of medicaments of single dose A, B and built agent C all have certain inhibitory action indoor to Pyricularia oryzae.Wherein, built agent C has good synergistic effect to rice false smut, and its co-toxicity coefficient is 210.7, and synergy is obvious.
2, the indoor bioassay to Sclerotinia sclerotiorum
Adopt growth rate method, measure single dose A(Prochloraz), single dose B(tmtd) and built agent C(Prochloraz and tmtd composite) the three kinds of virulence of medicament to Sclerotinia sclerotiorum, process the same (seeing the toxicity test process of these three kinds of medicaments to Ustilaginoidea virens), the results are shown in following table 2:
The composite synergism test to Sclerotinia sclerotiorum of table 2 Prochloraz and tmtd
| Medicament | Virulence regression equation | Correlation coefficient (r) | EC 50(mg/L) | EC 95(mg/L) | Co-toxicity coefficient |
| A | y=3.796x+7.678 | 0.977 | 0.20 | 0.53 | ? |
| B | y=1.642x+5.012 | 0.931 | 0.98 | 9.81 | ? |
| C | y=2.05x+5.722 | 0.904 | 0.44 | 2.80 | 132.87 |
As seen from the above table, tri-kinds of medicaments of single dose A, B and built agent C all have certain inhibitory action indoor to Sclerotinia sclerotiorum.Wherein, built agent C has good synergistic effect to sclerotium germ, and its co-toxicity coefficient is 132.87, and co-toxicity coefficient is greater than 100, and synergy is obvious.
Two, field control effectiveness test
1, rice green smut field trial method
Test is located at the peaceful township of Hunan Province's Hongjiang City, and the seedlings of cereal crops grow fine, uniformity, and management is undertaken by High-Yielding Hybrid Rice conventional cultivation management method.Field Quarter Design is totally 5 processing, and every processing repeats four times, Gong32Ge community, and every community area is 30m
2.The spraying of employing manual sprayer, each community spouting liquid 1.7kg.Before the heading of paddy rice booting cut in latter stage, execute medicine for the first time, after 10 days, execute medicine for the second time, altogether dispenser 2 times.After 29 days, carry out the investigation of drug effect result in paddy rice stage of wax ripeness, the results are shown in following table 3:
The field trial of three kinds of medicaments of table 3 to rice green smut
Result shows: built agent content of the present invention is 100g/667m
2control rice green smut effect relatively good, apparently higher than single dose A(76.3%) and single dose B(76.2%), illustrate that Prochloraz and tmtd are composite and there is obvious synergistic effect.
2, sclerotinia rot of colza field trial method
Test is located at yellow mud village, Li Yang town, Lixian County, and trial crops kind oil grinds No. 10.5 processing are established in test altogether, and every processing repeats four times, Gong28Ge community, and every community area is 30m
2.Adopt manual sprayer, 60 kilograms of mu spraying liquids.Within after dispenser 7 days for the first time, carry out dispenser for the second time, within after dispenser 10 days for the second time, carry out efficacy survey.Result of the test (seeing the following form 4) shows: for the second time after dispenser 10d, and single dose A, B spraying medicine concentration 75g/667m
2, 90g/667m
2with tri-spraying medicine concentration 50g/667m of built agent C
2, 75g/667m
2, 100g/667m
2the control efficiency of sclerotinia rot of colza is respectively to 15.09%, 13.30% and 33.49%, 41.51%, 43.40%.Result of the test shows: single dose A, built agent C1, C2, C3 preventive effect effect in the time of control sclerotinia rot of colza is obvious, and single dose B preventive effect effect is poor, the preventive effect successful of built agent C is better than single dose A(15.09%), single dose B(13.30%), illustrate that Prochloraz of the present invention and tmtd built agent have obvious synergistic effect.
The field trial of three kinds of medicaments of table 4 to sclerotinia rot of colza
The present invention's advantage compared with prior art: this bactericide has formed stable formulation, can give full play to two kinds of medicament strong points, expand the scope of application, doublely control several diseases, reduce dosage, reduce production costs, improve drug effect, reduce toxicity, increase economic efficiency, effectively delay the drug-fast generation of pathogen and development.Germ on paddy rice, rape, corn and cotton etc. is had to good bactericidal effect, especially there is synergistic function for control rice green smut and sclerotinia rot of colza.
Embodiment
Embodiment 1 suspending agent
Proportioning: Prochloraz 5%, tmtd 25%, this grease of bamboo 3%, dispersant NNO1.0%, penetrating agent BX 0.1%, fast penetrant T 1.0%, xanthans 0.3%, bentonite 0.5%, ethylene glycol 10%, surplus are that water complements to 100%.
Accurately take the each composition of above-mentioned formula, put into agitator tank, add after the abundant stirring and dissolving of a small amount of water, add water to 100%, then sand mill agitator is put into agitator tank, agitator tank is passed into condensation cycle water and stir 6h, mixing speed is 800r/min, sand milling medium be ceramic bead (diameter be 500 μ m), filter.Embodiment 2 suspending agents
Prochloraz 10%, tmtd 15%, this grease of bamboo 10%, dispersant NNO0.2%, penetrating agent BX 0.5%, fast penetrant T 0.7%, xanthans 0.2%, bentonite 1.0%, ethylene glycol 5%, surplus are that water complements to 100%.Preparation process is shown in embodiment 1.
Embodiment 3 suspending agents
Prochloraz 15%, tmtd 45%, this grease of bamboo 7%, dispersant NNO0.6%, penetrating agent BX 0.3%, fast penetrant T 0.3%, xanthans 0.5%, bentonite 0.8%, ethylene glycol 80%, surplus are that water complements to 100%.Preparation process is shown in embodiment 1.
Claims (1)
1. an agriculture chemical compounding bactericide, it is characterized in that: by weight percentage, this bactericide is to contain Prochloraz 5%-15% and the tmtd 15%-45% suspending agent as active component, this bactericide also contains auxiliary agent: this grease of 3%-10% bamboo, 0.2-1.0% dispersant NNO, 0.1%-0.5% penetrating agent BX, 0.3%-1.0% fast penetrant T, 0.2%-0.5% xanthans, 0.5%-1.0% bentonite, 5%-10% ethylene glycol and water, and water complements to 100%;
Wherein, Prochloraz 5%, tmtd 25%, this grease of bamboo 3%, dispersant NNO1.0%, penetrating agent BX 0.1%, fast penetrant T 1.0%, xanthans 0.3%, bentonite 0.5%, ethylene glycol 10%, surplus are that water complements to 100%;
Or Prochloraz 10%, tmtd 15%, this grease of bamboo 10%, dispersant NNO0.2%, penetrating agent BX 0.5%, fast penetrant T 0.7%, xanthans 0.2%, bentonite 1.0%, ethylene glycol 5%, surplus are that water complements to 100%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310000422.4A CN103039492B (en) | 2013-01-04 | 2013-01-04 | Pesticide compound bactericide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310000422.4A CN103039492B (en) | 2013-01-04 | 2013-01-04 | Pesticide compound bactericide |
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| Publication Number | Publication Date |
|---|---|
| CN103039492A CN103039492A (en) | 2013-04-17 |
| CN103039492B true CN103039492B (en) | 2014-07-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103493839A (en) * | 2013-09-26 | 2014-01-08 | 江苏省绿盾植保农药实验有限公司 | Bactericide composition for preventing and treating wheat scab |
| CN104237047A (en) * | 2014-08-27 | 2014-12-24 | 广东省农业科学院植物保护研究所 | Method for detecting toxicity of bactericide on bacteria of sigatoka disease of bananas |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RO115486B1 (en) * | 1998-01-08 | 2000-03-30 | Sc Chimcomplex Sa | Solid insecto-fungicidal synergic composition |
| CN1288663A (en) * | 2000-06-22 | 2001-03-28 | 张长兴 | Germicide for preventing and controlling grey mold of vegetable |
| CN1650711A (en) * | 2005-01-05 | 2005-08-10 | 王学仁 | Paddy rice seed coating agent |
| CN101138338A (en) * | 2007-10-12 | 2008-03-12 | 湖南农业大学 | Bactericide agent composition for preventing and controlling fungoid diseases such as false smut |
| CN101720756A (en) * | 2008-10-16 | 2010-06-09 | 广州植物龙生物技术有限公司 | Prochloraz-containing compound suspend emulsion formulation and preparation method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060115506A1 (en) * | 2004-11-30 | 2006-06-01 | Harmer Mark A | Compositions and method of wood preservation |
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- 2013-01-04 CN CN201310000422.4A patent/CN103039492B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RO115486B1 (en) * | 1998-01-08 | 2000-03-30 | Sc Chimcomplex Sa | Solid insecto-fungicidal synergic composition |
| CN1288663A (en) * | 2000-06-22 | 2001-03-28 | 张长兴 | Germicide for preventing and controlling grey mold of vegetable |
| CN1650711A (en) * | 2005-01-05 | 2005-08-10 | 王学仁 | Paddy rice seed coating agent |
| CN101138338A (en) * | 2007-10-12 | 2008-03-12 | 湖南农业大学 | Bactericide agent composition for preventing and controlling fungoid diseases such as false smut |
| CN101720756A (en) * | 2008-10-16 | 2010-06-09 | 广州植物龙生物技术有限公司 | Prochloraz-containing compound suspend emulsion formulation and preparation method |
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