CN104756999A - Fungicidal composition containing metconazole and benziothiazolinone and application of fungicidal composition - Google Patents
Fungicidal composition containing metconazole and benziothiazolinone and application of fungicidal composition Download PDFInfo
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- CN104756999A CN104756999A CN201510136630.6A CN201510136630A CN104756999A CN 104756999 A CN104756999 A CN 104756999A CN 201510136630 A CN201510136630 A CN 201510136630A CN 104756999 A CN104756999 A CN 104756999A
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- benziothiazolinone
- metconazole
- fungicidal composition
- bactericidal composition
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Abstract
The invention discloses a fungicidal composition containing metconazole and benziothiazolinone and an application of the fungicidal composition. The fungicidal composition is characterized metconazole and benziothiazolinone are taken as main active ingredients, wherein a weight ratio of metconazole to benziothiazolinone is (40-1):(1-40), and a preferred weight ratio is (10-1):(1-10). The composite can be prepared into wettable powder, water dispersible granules and a suspending agent, and used for preventing and treating wheat scab, powdery mildew and a rust disease, and has obviously superior prevention and treatment effects than a single dose.
Description
Technical field
The present invention relates to a kind of bactericidal composition and the application that contain metconazole and benziothiazolinone
Background technology
Metconazole (Metconazole) is a kind of triazole bactericidal agent of efficient, wide spectrum, interior absorption, has protection, treatment, eradicant action, is thus widely used in the fungus-caused multiple kinds of crops disease control such as sac fungi, basidiomycetes.Metconazole is one of effective agent preventing and treating wheat scab at present, its mechanism of action mainly suppresses the biosynthesis of germ ergosterol, somatic cells film function is damaged, thus to suppress or in the formation of disturbing the growth of thalline appresorium and haustorium, mycelia and spore, film seepage also can be caused to aggravate, thus it is dead to promote pathogen to cause a disease.Leaf fungus azole not only can reduce the severity of the field of wheat gibberellic disease, can reduce disease in wheat germ poison pollution at the same time, to ensure the safety of food.
Benziothiazolinone (Benziothiazolinone) different thiazoles compound, a kind of efficient, low toxicity, broad-spectrum germicide, its mechanism of action is: with the anion binding of the surface of cell membrane of bacterium, mould or react with sulfydryl, destroy the synthetic system of protein and cell membrane, thus anti-bacteria, mould breeding, interference pathogen cell metabolism, makes its physiologic derangement, causes pathogen dead.This compound has good control efficiency to bacterium, fungus-caused corps diseases, and fool proof to crops.
Wheat is the main cereal crops of China, and wheat scab, powdery mildew, rust are the Major Diseases of harm Wheat Production, affect the yield and quality of China's wheat for a long time.Current China control wheat diseases is mainly still with single medicaments such as triadimefon, carbendazim, Yue azoles alcohol, and resistance is very serious, the continuous and effective of wheat diseases is prevented and treated and faces a severe challenge.The present invention is directed to the bactericide compounded one-tenth composition that wheat diseases chemical control present situation selects different mechanism of action, thus reach the target improving control efficiency, delay pesticide resistance generation, reduce dosage.
Summary of the invention
The invention reside in and provide a kind of energy Enough prevent and treat wheat diseases and have the bactericidal composition of synergistic function concurrently, the effective constituent that mainly contains of this bactericidal composition is metconazole and benziothiazolinone, this bactericidal composition can be used for preventing and treating wheat scab, powdery mildew, rust, and doublely can control other fungi, bacterial disease.
In this bactericidal composition, effective ingredient is metconazole and benziothiazolinone, then the insecticides adjuvant allocating corresponding formulation into can be made into wetting powder, water dispersible granules, suspending agent.
Embodiment
Below in conjunction with embodiment, the present invention is further described, and in embodiment, the percentage of each component is all weight percentage, but the present invention is not limited to the proportion in following exemplary case.
Formulation prepares example 1
Embodiment Isosorbide-5-Nitrae 5% metconazole benziothiazolinone wetting powder
Metconazole 23%, benziothiazolinone 22%, fatty alcohol-polyoxyethylene ether 10%, Nekal BX 6%, swelling scholar complements to 100%.After being mixed in double worm mixer by above-mentioned material, be crushed to below 800 orders through airslide disintegrating mill, obtained standard compliant 45% metconazole benziothiazolinone wetting powder.
Embodiment 2,35% metconazole benziothiazolinone water dispersion granule
Metconazole 18%, benziothiazolinone 17%, alkylphenol polyoxyethylene 8%, lauryl sodium sulfate 5%, ammonium sulfate 1%, aluminium oxide 0.2%, starch 8%, diatomite complements to 100%.Above-mentioned material is made water slurry, this suspension pipeline macerator pump and sand mill are pulverized the granularity of particle in grinding suspension to below 5u, make aqueous suspension agent, in adjustment suspending agent, solid content is to proper ratio, this suspending agent slush pump is pumped in special spray granulating and drying tower, obtained standard compliant 35% metconazole benziothiazolinone water dispersion granule.
Embodiment 3,32% metconazole benziothiazolinone suspending agent
Metconazole 16%, benziothiazolinone 16%, fatty alcohol-polyoxyethylene ether 6%, alkyl benzene calcium sulfonate 8%, polyethylene glycol 2%, silicone oil 0.2%, propane diols 3%, soft water complements to 100%.Above-mentioned material is made water slurry, this suspension pipeline macerator pump and sand mill is pulverized the granularity of particle in grinding suspension to below 5u, obtained standard compliant 32% metconazole benziothiazolinone suspending agent.
Test of pesticide effectiveness example
Embodiment 4 metconazole, benziothiazolinone Toxicity Determination
Test is carried out with reference to < farm-chemical indoor determination test rule bactericide >.
You Jun Silk amount of growth test measurements calculates Jun Silk growth inhibition ratio, then is calculated the EC50 of often kind of medicament by virulence regression equation y=a+bX, calculates two kinds of medicament different ratio synergies ratio (SR) according to Wadlcy method simultaneously.When SR < 0.5 is antagonism; 0.5 < SR < 1.5 is summation action; SR > 1.5 is synergistic effect.
Computing formula:
Wherein A is metconazole, and B is benziothiazolinone; A is the shared in the composition ratio of active ingredient metconazole, and b is the shared in the composition ratio of active ingredient benziothiazolinone.
Table 1, metconazole, benziothiazolinone bactericidal composition are to wheat scab Toxicity Determination result
Can See by table 1 result, metconazole, benziothiazolinone compound proportion are between 40: 1 to 1: 40, synergic ratio SR value is all greater than 1.5, this illustrates metconazole, the composite equal tool synergistic effect in this proportion of benziothiazolinone, ratio scope between 10: 1 to 1: 10 synergic ratio SR value all more than 1.8, peak reaches 2.21, and synergistic effect is more remarkable.
Embodiment 5 metconazole, benziothiazolinone bactericidal composition field control wheat scab
Select metconazole, benziothiazolinone bactericidal composition two kinds of formulations carry out field trial, are 35% metconazole benziothiazolinone water dispersion granule and 32% metconazole benziothiazolinone suspending agent respectively; Contrast single dose is 45% metconazole suspending agent and 10% benziothiazolinone suspending agent respectively; If not dispenser blank.
Field trial is carried out on farm, Xinzheng, and wheat breed is respectively Huaihe River wheat No. 22, Huaihe River wheat No. 23, field management is carried out routinely, does not use other agricultural chemicals, and each experimental plot area is 50 square metres, if 4 repetitions, water consumption is 50Kg/ mu, and Disease investigation and control efficiency are in table 2
The result of table 2 metconazole, benziothiazolinone bactericidal composition field control wheat scab
The result of the test of table 2 illustrates, after metconazole, benziothiazolinone are composite, its control efficiency of preventing and treating wheat scab is obviously better than single dose, and reduces dosage.
Embodiment 6, the control of metconazole, benziothiazolinone bactericidal composition seed treatment control wheat powdery mildew, rust.
Test is carried out in plant protection institute of Xibei Univ. of Agricultural & Forest Science & Technology laboratory.The method of metconazole, benziothiazolinone bactericidal composition seed dressing is adopted to carry out seed treatment; Three test doses are designed, i.e. 5g ai/100Kg, 10g ai/100Kg, 20g ai/100Kg by effective ingredient (ai) g/100Kg seed; If blank.Seed evenly attaches after liquid dries 24h and sows.Sowing disposal plastic cup, punches at the bottom of cup, is placed in pallet, loads turfy soil in cup; Often process sowing 10 glasss, direct paired observation method and mensuration are taked in investigation.
Test finds, effectively reduces the microbial bud-rot of head blight and the withered phenomenon of seedling, improve the emergence rate 1.82% to 10.5% of seed after medicament seed reason.The wheat seeding leaf look grown after medicament seed treatment is dark green, width of blade increases, plant is sturdy.
After the seed sprouting of chemicals treatment, when wheat seedling growth to 2 leaf 1 heart, inoculate wheat powdery mildew and Wheat rust fungus respectively to the grouping of such wheat seeding, classification, measurement result lists in table 3.
Table 3, metconazole, benziothiazolinone bactericidal composition seed treatment control wheat powdery mildew, rust prevent and treat result
The result of the test of table 3 illustrates, best with the effect of 20gai/100Kg seed treatment with metconazole, benziothiazolinone bactericidal composition, wheat seeding is fallen ill hardly, and preventive effect reaches 99.64%, 98.45%, and preventive effect is very remarkable.
Claims (5)
1. a bactericidal composition, it is characterized in that being made up of metconazole and benziothiazolinone, wherein the part by weight of metconazole and benziothiazolinone is 40-1: 1-40.
2. bactericidal composition according to claim 1, it is characterized in that being made up of metconazole and benziothiazolinone, wherein the part by weight of metconazole and benziothiazolinone is preferably 10-1: 1-10.
3., according to claim 1-2, in bactericidal composition, the weight percentage of effective ingredient metconazole and benziothiazolinone is at 15-50%.
4. according to claim 3, effective ingredient metconazole and benziothiazolinone in bactericidal composition, then the insecticides adjuvant allocating corresponding formulation into can be made into wetting powder, water dispersible granules, suspending agent.
5. bactericidal composition preparation described in claim 4 can be used for preventing and treating wheat scab, powdery mildew, rust.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510136630.6A CN104756999A (en) | 2015-03-23 | 2015-03-23 | Fungicidal composition containing metconazole and benziothiazolinone and application of fungicidal composition |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510136630.6A CN104756999A (en) | 2015-03-23 | 2015-03-23 | Fungicidal composition containing metconazole and benziothiazolinone and application of fungicidal composition |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018001152A1 (en) * | 2016-06-26 | 2018-01-04 | 江苏辉丰农化股份有限公司 | Bactericide composition |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996001054A1 (en) * | 1994-07-01 | 1996-01-18 | Janssen Pharmaceutica N.V. | Synergistic compositions containing metconazole and another triazole |
| EP0951831A1 (en) * | 1998-04-20 | 1999-10-27 | American Cyanamid Company | Fungicidal co-formulation |
| CN101695297A (en) * | 2009-11-04 | 2010-04-21 | 陕西西大华特科技实业有限公司 | Benziothiazolinone water suspension and preparation method thereof |
-
2015
- 2015-03-23 CN CN201510136630.6A patent/CN104756999A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996001054A1 (en) * | 1994-07-01 | 1996-01-18 | Janssen Pharmaceutica N.V. | Synergistic compositions containing metconazole and another triazole |
| EP0951831A1 (en) * | 1998-04-20 | 1999-10-27 | American Cyanamid Company | Fungicidal co-formulation |
| CN101695297A (en) * | 2009-11-04 | 2010-04-21 | 陕西西大华特科技实业有限公司 | Benziothiazolinone water suspension and preparation method thereof |
Non-Patent Citations (2)
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| 上海市农业技术推广服务中心编著: "《农药安全使用手册》", 30 September 2009 * |
| 刘长令主编: "《世界农药大全 杀菌剂卷》", 31 January 2006, 化学工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018001152A1 (en) * | 2016-06-26 | 2018-01-04 | 江苏辉丰农化股份有限公司 | Bactericide composition |
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