CN104872171A - Paddy field composite bactericide containing flutriafol, isoprothiolane and flusilazole, and application thereof - Google Patents
Paddy field composite bactericide containing flutriafol, isoprothiolane and flusilazole, and application thereof Download PDFInfo
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- CN104872171A CN104872171A CN201510159988.0A CN201510159988A CN104872171A CN 104872171 A CN104872171 A CN 104872171A CN 201510159988 A CN201510159988 A CN 201510159988A CN 104872171 A CN104872171 A CN 104872171A
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- isoprothiolane
- flusilazole
- flutriafol
- compound disinfectant
- paddy field
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Abstract
The invention relates to a paddy field composite bactericide containing flutriafol, isoprothiolane and flusilazole, and the application thereof. The bactericide comprises three main effective ingredients, namely flutriafol, isoprothiolane and flusilazole in the mass ratio of 0.1-20:0.1-30:0.1-15 correspondingly. Based on a large number of special researches, the inventor of the invention mixes flutriafol, isoprothiolane and flusilazole in a suitable ratio to successfully play the advantages of the three effective ingredients to the limit. Meanwhile, the comprehensive prevention and control defects of a single-dosage bactericide to crop diseases, such as banded sclerotial blight, rice blast, bakanae disease and the like, can be overcome. Therefore, the composite bactericide can be use for preventing and controlling most crop diseases in the paddy field.
Description
Technical field
The invention belongs to pesticide field, be specifically related to a kind of paddy field bactericide, particularly a kind of paddy field compound disinfectant and application thereof containing containing Flutriafol, Isoprothiolane and Flusilazole.
Background technology
Flutriafol (Flutriafol), molecular formula C
16h
13f
2n
3o, chemical name: (RS)-2,4'-bis-chloro-a-(1H-1,2,4-triazole-1-methyl) benzohydrol;
Its chemical structural formula:
。
Flutriafol is a kind of triazole bactericidal agent, and former medicine is clear crystal, stable in acid, alkali, heat and moist environment, and have the bactericidal activity of wide spectrum, interior absorption is strong, to top conduction in plant corpus, has obvious therapeutic action to disease.Cereal (mainly comprising paddy rice, wheat, barley, rye, corn etc.) cauline leaf, fringe portion disease and soil-borne disease (consumption 75mg/kg seed) and seed-borne disease (200 ~ 300mg/kg seed) can be prevented and treated, as powdery mildew, rust, moire disease, leaf spot, net blotch, smut etc.Meanwhile, also soil and seed-borne disease can be prevented and treated.Have special efficacy to cereal powdery mildew, after medication 5 ~ 10 days, the scab originally formed can disappear.
Isoprothiolane (Isoprothiolane), molecular formula: C
12h
18o
4s
2, chemical name: 1,3-dithiolane-2-vinyl-Diisopropyl malonate;
Its chemical structural formula:
。
Isoprothiolane belongs to systemic fungicide.Have special efficacy to rice blast, rice plant can suppress germ intrusion, especially inhibit phosphide N-methyltransferase after absorbing, thus suppresses pathogen growth, plays preventive and therapeutic action.This medicament also has the effect suppressing rice fulgorid, white-backed planthopper density concurrently.Also for preventing and treating leaf pest, fringe pest, in time occurring at the beginning of acute scab, with 40% missible oil or 40% wetting powder 11.3 ~ 15g/100m2, water 7.5kg is sprayed.Control rice blast, in cut phase and each dispenser of full heading time 1 time, also can be used for the large and small leaf spot of control of maize, stripe disease of barley, moire disease.
Flusilazole (Flusilazole), molecular formula C
16h
15f
2n
3si, chemical name: two (4-fluorophenyl)-(1H-1,2,4-triazol-1-yl methyl) monosilane;
Its chemical structural formula:
。
Flusilazole belongs to triazole bactericidal agent, can destroy and stop the biosynthesis of ergosterol, causes cell membrane not formed, and makes germ dead.Effective to disease caused by sac fungi, basidiomycetes and imperfect fungus, also can be used for the black star of apple and rectify and powdery mildew, grape powdery mildew, leaf spot of peanut, powdery mildem of cereals and eye spot disease etc.
The staple food crop of paddy rice Ye Shi China, comparatively large in the southern cultivated area of China, paddy rice, in growth and development process, often faces the harm of various fungal disease.Because these fungal diseases are of a great variety, complicated symptoms, propagation rapidly, cause difficulty of prevention and cure to strengthen, have a strong impact on output and the quality of paddy rice.At present conventional paddy field, transplant field bactericide kind development of drug resistance are very fast, and fungicidal spectrum is also limited, the generation of the control rice disease that the bactericide of single active ingredient can not be fully effective.Therefore, a kind of appearance solution problem now of compound disinfectant is needed in market badly.
Summary of the invention
For the deficiencies in the prior art, an object of the present invention is to provide a kind of paddy field compound disinfectant containing Flutriafol, Isoprothiolane and Flusilazole.
Another object of the present invention is to provide the application of this compound disinfectant.
For realizing above-mentioned first goal of the invention, the technical solution used in the present invention is: a kind of paddy field compound disinfectant containing Flutriafol, Isoprothiolane and Flusilazole, the active ingredient of described compound disinfectant is Flutriafol, Isoprothiolane and Flusilazole, and described compound disinfectant is grouped into by the one-tenth of following mass parts: Flutriafol 0.1 ~ 20 part, Isoprothiolane 0.1 ~ 30 part, Flusilazole 0.1 ~ 15 part.
Preferably, described compound disinfectant is grouped into by the one-tenth of following mass parts: Flutriafol 1 ~ 15 part, Isoprothiolane 1 ~ 25 part, Flusilazole 1 ~ 15 part.
Further preferably, described compound disinfectant is grouped into by the one-tenth of following mass parts: Flutriafol 5 ~ 15 parts, Isoprothiolane 10 ~ 25 parts, Flusilazole 10 ~ 15 parts.
Further preferred, described compound disinfectant is grouped into by the one-tenth of following mass parts: Flutriafol 10 ~ 20 parts, Isoprothiolane 15 ~ 20 parts, Flusilazole 10 ~ 15 parts.
Present invention also offers the preparation containing above-mentioned compound disinfectant, in described preparation, compound disinfectant accounts for 3 ~ 65% of gross mass percentage composition, preferably, accounts for 35 ~ 50% of gross mass percentage composition.
Also containing the auxiliary agent that pesticidal preparations allows in described preparation, described auxiliary agent is preferably one or more in surfactant, thickener or solvent.
Described preparation preferably dispersibles oil-suspending agent.
The described oil-suspending agent that dispersibles consists of the following composition: compound disinfectant 3 ~ 65%, wetting dispersing agent 1 ~ 5%, emulsifier 1 ~ 10%, stabilizing agent 1 ~ 5%, and the agent 1 ~ 3% of outstanding stream, methyl oleate complements to 100%.
Preferably, the described oil-suspending agent that dispersibles consists of the following composition: compound disinfectant 35 ~ 50%, wetting dispersing agent 3 ~ 5%, emulsifier 5 ~ 10%, stabilizing agent 2 ~ 3%, and the agent 1 ~ 2% of outstanding stream, methyl oleate complements to 100%.
Further preferred, the described oil-suspending agent that dispersibles consists of the following composition: compound disinfectant 40%, wetting dispersing agent 3%, emulsifier 5%, stabilizing agent 2%, and the agent 3% of outstanding stream, methyl oleate complements to 100%.
Described wetting dispersing agent is sodium lignin sulfonate, sodium alkyl benzene sulfonate or fatty alcohol-polyoxyethylene ether;
Described emulsifier is alkylpolyoxyethylene phosphate, alkylphenol polyoxyethylene, alkylphenol polyoxyethylene sulphate or alkylaryl APEO;
Described stabilizing agent is organic ammonium salt, polyvinyl alcohol or sodium silicate;
Described outstanding stream agent is organobentonite.
Present invention also offers the above-mentioned preparation method dispersibling oil-suspending agent, adopt preparation method disclosed in prior art to prepare, the selection of concrete grammar and confirm as those skilled in the art and grasp.Described preparation method comprises the following steps: said components fully mixed and gained mixture is carried out sand milling, then mixing.
Present invention also offers described compound disinfectant or the application of its preparation in rice seedling and disease control in vegetative period.Because the scientific formulation of compound herbicide is reasonable, in actual application, to the rice blast in paddy field, there is beyond thought preventive effect, and to the growth of paddy rice itself without any harm.
Compound disinfectant provided by the invention has following beneficial effect:
1) bactericidal activity is high; Microbicide compositions of the present invention can kill disease by three kinds of different mechanism, makes Disease Resistance produce speed and reduces, and three kinds of active ingredient Synergistics, drastically increase the bactericidal activity of bactericide.
2) fungicidal spectrum is wide, and the lasting period is long; The fungicidal spectrum of three kinds of bactericide is different, and three is combined fungicidal spectrum and the activity of these three kinds of medicaments with the medicament that special ratios mixture obtains, make the fungicidal spectrum of mix preparation wider, the lasting period is longer.
3) sterilization resistance is delayed; The present invention can significantly improve the preventive effect to various resistance germ, delays the generation of Disease Resistance, extends the service life of medicament.
4) safety is high; Microbicide compositions of the present invention, is applied to rice seedling and sterilization in vegetative period, under the prerequisite that improve drug effect, to the growth of paddy rice itself without any harm, and all has reliable safety to succession crop.
On the basis of a large amount of special item, inventor passes through Flutriafol, Isoprothiolane and Flusilazole with suitable proportioning mixture, except successfully the advantage of three kinds of active ingredients is performed to ultimate attainment except, also effectively overcome the defect that conventional single bactericide is prevented and treated crop pests such as banded sclerotial blight, rice blast, bakanae disease comprehensively, reach the effect of water prevention rice field major part disease.
Embodiment
Below in conjunction with embodiment, the present invention is described in further details, but is not limit the scope of the invention.
Embodiment 1
Composition of raw materials: Flutriafol 10%, Isoprothiolane 15%, Flusilazole 15%, alkylphenol polyoxyethylene 5%, sodium lignin sulfonate 3%, sodium silicate 5%, organobentonite 3%, methyl oleate complements to 100%.
Preparation method: above-mentioned each component is mixed and forms thick dispersion liquid in broken 4 hours in sand mill medium sand abrasive dust, then make its average grain diameter be less than 5 μm through soybean dietary fiber can to obtain 40% required Flutriafol Isoprothiolane Flusilazole and dispersible oil-suspending agent product.
Embodiment 2 ~ 4
Adopt embodiment 1 method, the paddy field compound disinfectant of following different content can be prepared according to the formula of table 1.
Table 1 embodiment 2-4 compound disinfectant suspending agent formula
Experimental example 1: toxicity determination test
Utilize the preparation in embodiment, measure its co-toxicity coefficient to paddy field Common Diseases banded sclerotial blight.
1, experiment grouping: commercially available medicament 5% Flutriafol missible oil, 20% Isoprothiolane missible oil, 25 grams per liter Flusilazoles dispersible oil-suspending agent;
Embodiment 1-4;
2, experimental technique: will for planting experimentally son first 40 DEG C of water seed soaking vernalization, Deng seed show money or valuables one carries unintentionally after sowing, after planting move into greenhouse cellar culture, adopt infiltrating irrigation mode moisturizing bottom basin alms bowl, make soil completely moistening, be placed in temperature 30 DEG C, light/secretly cultivate than in the greenhouse of 14h/10h, after planting 10d carries out thinning and determines strain, carries out spraying process.
With ASP-1098 type automatic sprayer (pressure: 0.4Mpa, speed: 50cm/s), liquid is carried out spraying process by experimental scheme from low dosage to high dose order, often process 4 times and repeat.After medicine 2 minutes, treat examination material surface liquid natural air drying, move into greenhouse cellar culture, keep ground moistening in basin, routine observation respectively processed the control efficiency to disease.By the method that the nineteen sixties such as Sun Yunpei propose, calculate its virulence regression equation and co-toxicity coefficient.Co-toxicity coefficient is greater than 100, shows that two kinds of active principles have synergistic effect, otherwise, then show that two kinds of active principles have antagonism.
3, experimental result: in table 2
Table 2 toxicity measurement result
Table 1 result shows: compare with single dose, compound disinfectant after Flutriafol, Isoprothiolane, Flusilazole three are composite, preventing apart from significant increase banded sclerotial blight, reach more than 147, wherein with embodiment 1(186.33) synergistic function the most remarkable, and the co-toxicity coefficient of existing composite bactericide is not higher than 142.
Result shows: composite bactericide provided by the invention has synergy, and is better than prior art.
Experimental example 2: field control effectiveness test
1, reagent agent:
4 kinds of ternary built bactericide in embodiment.
Contrast medicament: commercially available medicament 5% Flutriafol missible oil, 20% Isoprothiolane missible oil, 25 grams per liter Flusilazoles dispersible oil-suspending agent.
2, for studying thing: paddy rice, 3 ~ 6 leaf phases.
3, prevent and kill off object: rice seedling and vegetative period banded sclerotial blight, powdery mildew, rust, bakanae disease, the disease such as rice blast, and damping off, false smut etc.
4, test method: according to the area of experimental plot, the good various medicament of precise, after being watered dilution, carries out even spraying with knapsack sprayer, the Fan spray head that sprinkler selection bactericide is special.During spraying, liquid be noted evenly to spray application in experimental plot, accomplish not drain spray, spray more.
After test, after medicine, 20d, 40d observe rice growth situation respectively, and the bactericidal activity of more various medicament.In addition, after medicine, the condition of production of crop also in 1 ~ 15d, to be observed, whether have poisoning to investigate medicament to crop.
5, result of the test:
5.1 bactericidal assay effects: in 20d after Table 3(medicine) and table 4(medicine after 40d).
Table 3 dispenser is pharmacodynamic results after 20 days
40 days pharmacodynamic results after table 4 dispenser
Note: the consumption in table 3 and table 4 all refers to the consumption of active ingredient in each preparation.
As can be seen from table 2 and table 3: be used alone three kinds of compositions, its preventive effect is up to 75%, and the effect of the embodiment 1-4 of three kinds of similar bactericide mixing is all not less than 90%.
Result shows, the present invention has significant preventive effect to rice seedling and disease control in vegetative period, and synergy is obvious, and the lasting period extends, wherein with the best results of embodiment 1.
5.2 pairs of crop safety investigation results: in table 5
Table 5 medicament is to crop safety investigation result
As can be seen from Table 4: be used alone three kinds of compositions, the survival rate of its seedling is 94-96%, and the effect of embodiment 1-4 is 100%.
Result shows, paddy rice in compound disinfectant process community provided by the invention all grows fine, have no any medicine spot or seedling death phenomenon, then there is seedling death phenomenon to a certain extent in the single dose of high concentration, illustrate that compound disinfectant of the present invention is to rice safety, can promote the use of, wherein with the best results of embodiment 1.
Experimental example 3: what the use of bactericide grew succession crop affects comparative trial
Inventor expands comparative trial with regard to the use of bactericide to the impact that succession crop grows further, and subjects is with " bactericidal effect comparative trial ", and concrete test method is:
1, on the basis of experimental example 2, after rice harves, original place block plants rape, selected rape variety is No. 1, association of China, records the plot growth of rape situation under each chemicals treatment.
2, result of the test: in table 6.
Impact on succession crop rape after the process of table 6 different agents
Result shows, the bactericide of experimental group 1 and experimental group 2 does not exist any harmful effect to the growth of succession crop rape
Experiment brief summary: on the basis of a large amount of special item, inventor passes through Flutriafol, Isoprothiolane and Flusilazole with suitable proportioning mixture, except successfully the advantage of three kinds of active ingredients is performed to ultimate attainment except, also effectively overcome conventional single bactericide exists negative effect defect to aspects such as crop itself and soil alleviations.
Although above with general explanation, embodiment and test, the present invention is described in detail, and on basis of the present invention, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, these modifications or improvements without departing from theon the basis of the spirit of the present invention, all belong to the scope of protection of present invention.
Claims (9)
1. the paddy field compound disinfectant containing Flutriafol, Isoprothiolane and Flusilazole, it is characterized in that: the active ingredient of described compound disinfectant is Flutriafol, Isoprothiolane and Flusilazole, and described compound disinfectant is grouped into by the one-tenth of following mass parts: Flutriafol 0.1 ~ 20 part, Isoprothiolane 0.1 ~ 30 part, Flusilazole 0.1 ~ 15 part.
2. a kind of paddy field compound disinfectant containing Flutriafol, Isoprothiolane and Flusilazole as claimed in claim 1, is characterized in that: described compound disinfectant is grouped into by the one-tenth of following mass parts: Flutriafol 1 ~ 15 part, Isoprothiolane 1 ~ 25 part, Flusilazole 1 ~ 15 part.
3. a kind of paddy field compound disinfectant containing Flutriafol, Isoprothiolane and Flusilazole as claimed in claim 1, is characterized in that: described compound disinfectant is grouped into by the one-tenth of following mass parts: Flutriafol 5 ~ 15 parts, Isoprothiolane 10 ~ 25 parts, Flusilazole 10 ~ 15 parts.
4. a kind of paddy field compound disinfectant containing Flutriafol, Isoprothiolane and Flusilazole as claimed in claim 1, is characterized in that: described compound disinfectant is grouped into by the one-tenth of following mass parts: Flutriafol 10 ~ 20 parts, Isoprothiolane 15 ~ 20 parts, Flusilazole 10 ~ 15 parts.
5. a kind of paddy field compound disinfectant containing Flutriafol, Isoprothiolane and Flusilazole as described in any one of claim 1-4, it is characterized in that: the quality sum of described Flutriafol, Isoprothiolane and Flusilazole accounts for 3 ~ 65% of compound disinfectant gross mass percentage composition, preferably 35 ~ 50%.
6. a kind of paddy field compound disinfectant containing Flutriafol, Isoprothiolane and Flusilazole as claimed in claim 5, is characterized in that: the preparation of described compound disinfectant is for dispersibling oil-suspending agent.
7. a kind of paddy field compound disinfectant containing Flutriafol, Isoprothiolane and Flusilazole as claimed in claim 6, it is characterized in that: the described oil-suspending agent that dispersibles consists of the following composition: compound disinfectant 3 ~ 65%, wetting dispersing agent 1 ~ 5%, emulsifier 1 ~ 10%, stabilizing agent 1 ~ 5%, the agent 1 ~ 3% of outstanding stream, methyl oleate complements to 100%.
8. a kind of paddy field compound disinfectant containing Flutriafol, Isoprothiolane and Flusilazole as claimed in claim 7, it is characterized in that: the described oil-suspending agent that dispersibles consists of the following composition: compound disinfectant 35 ~ 50%, wetting dispersing agent 3 ~ 5%, emulsifier 5 ~ 10%, stabilizing agent 2 ~ 3%, the agent 1 ~ 2% of outstanding stream, methyl oleate complements to 100%; Preferably, the described oil-suspending agent that dispersibles consists of the following composition: compound disinfectant 40%, wetting dispersing agent 3%, emulsifier 5%, stabilizing agent 2%, and the agent 3% of outstanding stream, methyl oleate complements to 100%.
9. the compound disinfectant described in any one of claim 1-5 or the preparation described in any one of claim 6-9 are in the application at rice seedling and disease control in vegetative period, fungicidal spectrum is: the diseases such as banded sclerotial blight, powdery mildew, rust, bakanae disease, rice blast, and has good control efficiency to damping off, false smut.
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| CN201510159988.0A CN104872171A (en) | 2015-04-07 | 2015-04-07 | Paddy field composite bactericide containing flutriafol, isoprothiolane and flusilazole, and application thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101518257A (en) * | 2009-04-10 | 2009-09-02 | 利尔化学股份有限公司 | Bactericidal pesticide composition |
| CN101601388A (en) * | 2009-07-20 | 2009-12-16 | 陕西汤普森生物科技有限公司 | A kind of bactericidal composition that contains Flutriafol and fluorine bacterium azoles |
| CN102349506A (en) * | 2011-09-13 | 2012-02-15 | 广西田园生化股份有限公司 | Ultralow-volume solvent containing Flusilazole |
-
2015
- 2015-04-07 CN CN201510159988.0A patent/CN104872171A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101518257A (en) * | 2009-04-10 | 2009-09-02 | 利尔化学股份有限公司 | Bactericidal pesticide composition |
| CN101601388A (en) * | 2009-07-20 | 2009-12-16 | 陕西汤普森生物科技有限公司 | A kind of bactericidal composition that contains Flutriafol and fluorine bacterium azoles |
| CN102349506A (en) * | 2011-09-13 | 2012-02-15 | 广西田园生化股份有限公司 | Ultralow-volume solvent containing Flusilazole |
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