CN103027049A - Compound pesticide composition, application and preparation - Google Patents
Compound pesticide composition, application and preparation Download PDFInfo
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- CN103027049A CN103027049A CN2011102999488A CN201110299948A CN103027049A CN 103027049 A CN103027049 A CN 103027049A CN 2011102999488 A CN2011102999488 A CN 2011102999488A CN 201110299948 A CN201110299948 A CN 201110299948A CN 103027049 A CN103027049 A CN 103027049A
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- jinggangmeisu
- pharmaceutical composition
- fluoxastrobin
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Abstract
The invention discloses a compound pesticide composition, which contains jinggangmycin and (E)-2-(2-(6-(2-cyanophenoxy)pyrimidin-4-yloxy)phenyl)-3-methoxy-methylacrylate. The invention further discloses application of the pesticide composition on prevention and treatment of rice diseases such as rhizoctonia solani and a compound pesticide based on the pesticide composition. The experiments show that the compound pesticide composition provided by the invention can effectively prevent and treat a plurality of rice diseases caused by fungi, in particular to the rhizoctonia solani, and have the characteristics of being high in activity, long in lasting period, low in toxicity, residues and cost, and friendly to environment, so that the application prospect is good.
Description
Technical field
The present invention relates to a kind of agriculture medicine, relate in particular to a kind of compound sterilizing pharmaceutical composition that can prevent and treat the rice diseases such as rice sheath blight disease, rice blast, false smut, belong to pesticide field.
Background technology
Paddy rice is the cereal crops of wide maximum of China's cultivated area, and its disease occurrence frequency is very high, and paddy rice is injured seriously, and especially rice sheath blight disease, false smut spreads all over each main rice district of China.Because ecological condition is conducive to the rice disease generation, banded sclerotial blight has the occurrence tendency of increasing the weight of in recent years; False smut occurs serious in some regional kinds of some times, grain-production and the safety of rice disease serious threat China.General paddy rice loss 5-10%, outbreak year paddy rice underproduction 10-20%, the field loss 40-50% that part is heavy, even total crop failure.The medicament of the control rice sheath blight, false smut mainly contains the old medicaments such as jinggangmeisu and built agent thereof at present, because long-term the use, preventive effect descends to some extent.The new drug that external agricultural chemicals company releases recently is expensive.So the upper urgent need of production is studied the preventive effect height, low, the environmentally friendly new medicament of cost is controlled rice disease effectively.
Summary of the invention
For common rice diseases such as the high-efficiency prevention and control rice sheath blight, false smut, the applicant has carried out great many of experiments, pleasantly surprised discovery is with (E) 2-[2-[6-(2-cyano-benzene oxygen) pyrimidine-4-yl oxygen] phenyl]-3-methoxy-methyl acrylate and jinggangmeisu are prepared into pharmaceutical composition and compare traditional pesticide control effect and have remarkable improvement, and its cost is low, environmentally friendly.
Based on above-mentioned discovery, the invention discloses-kind of compound sterilizing pharmaceutical composition, comprise (E) 2-[2-[6-(2-cyano-benzene oxygen) pyrimidine-4-yl oxygen] phenyl]-3-methoxy-methyl acrylate (being designated hereinafter simply as Fluoxastrobin) and jinggangmeisu.
In compound sterilizing pharmaceutical composition of the present invention, Fluoxastrobin is methoxy acrylic bactericide, efficiently, wide spectrum, nearly all mycota (Ascomycotina, Basidiomycotina, Mastigomycotina and Deuteromycotina) disease such as powdery mildew, rust, glume blight, net blotch, downy mildew, rice blast etc. are all had good activity.Can be used for cauline leaf spraying, seed treatment, also can carry out soil treatment, be mainly used in cereal, paddy rice, peanut, grape, potato, fruit tree, vegetables, coffee, lawn etc.
In compound sterilizing pharmaceutical composition of the present invention, jinggangmeisu is a kind of biopesticide, toxicity is very low, banded sclerotial blight and false smut is had favorable effect, as is known to the person skilled in the art, jinggangmeisu is as the aminoglycoside farm antibiotics, main component is comprised of components such as A, B, C, D, E, F, and wherein the A component is the strongest to the activity of paddy rice class damage by disease and insect, and is preferred thus, in pharmaceutical composition of the present invention, used jinggangmeisu is jinggangmycin A.
Compound sterilizing pharmaceutical composition of the present invention, the usage ratio of the two is 0.1g.a.i-10g.a.i as the Fluoxastrobin effective ingredient consumption when using in the rice field, described jinggangmeisu effective ingredient consumption is 1g.a.i-50g.a.i.
On the basis of the above, compound sterilizing pharmaceutical composition of the present invention can be selected suitable Fluoxastrobin and the mass ratio of jinggangmeisu as required, and preferred, the proportion of composing of jinggangmeisu and Fluoxastrobin is 1: 1-10: 1, preferred 3: 1-5: 1.
On the basis of the above, in order further to strengthen the rice insect pest control efficiency of compound sterilizing pharmaceutical composition of the present invention, can also add other widely known sterilization pesticide composition, include but not limited to one or more the mixture in Moroxydine Hydrochloride, Difenoconazole, propiconazole, own azoles alcohol, Tebuconazole, Prochloraz, the tricyclazole etc., its consumption those skilled in the art in the situation that does not affect present composition effect can regulate according to using.
The applicant tests compound sterilizing pharmaceutical composition of the present invention, experimental result shows that compound sterilizing pharmaceutical composition of the present invention not only has synergy with respect to one-component, and control had significant effect by the rice disease that fungi causes, described rice disease comprises rice sheath blight disease, rice blast, false smut, especially banded sclerotial blight is had remarkable preventive effect.Therefore, the invention discloses accordingly the application of described compound sterilizing pharmaceutical composition in the rice disease that the control fungi causes, described rice disease comprises rice sheath blight disease, rice blast, false smut, preferably rice sheath blight disease.
Further, for the ease of using, the invention also discloses on the basis of the above the finished product preparation of described compound sterilizing pharmaceutical composition, is a kind of composite bactericide, comprises compound sterilizing pharmaceutical composition of the present invention and agricultural chemicals auxiliary material.The present invention does not limit the concrete formulation of composite bactericide, any pesticide field can with formulation all can be used for the present invention, get final product according to the different corresponding different auxiliary materials of conversion of formulation.Consider the character of pharmaceutical composition of the present invention, in the present invention preferably wetting powder or suspending agent of composite bactericide.When being wetting powder, used auxiliary material is auxiliary agent, inserts, and wherein auxiliary agent accounts for the 5-20% of gross weight, and described auxiliary agent is comprised of dispersant (claiming again diffusant) and wetting agent.Wherein said inserts can adopt this area agricultural chemicals inserts commonly used, includes but not limited to carbon dust, calcium carbonate, talcum powder, aluminium-magnesium silicate etc.; Described dispersant includes but not limited to lignosulfonates, naphthalenesulfonate formaldehyde condensation compound, polyacetals acids dispersion etc.; Described wetting agent includes but not limited to sodium butylnaphthalenesulfonate salt, sulphate, alcohol ethoxylates, azone, organosilicon etc.When it was suspending agent, used auxiliary material was auxiliary agent, water, inserts, and wherein auxiliary agent accounts for the 5-20% of gross weight; Wherein said inserts as mentioned above; Described auxiliary agent is comprised of wetting agent, dispersant, thickener, stabilizing agent and defoamer, described wetting agent, dispersant as mentioned above, described thickener includes but not limited to gelatin, xanthans, gum Arabic etc.; Described stabilizing agent comprises but is not limited to magnesium silicate, lithium magnesium silicate, aluminium-magnesium silicate etc., preferably aluminium-magnesium silicate; Described defoamer includes but not limited to mineral oil such as metallic soap of stearic acid, organosilicon, silica etc.
The applicant tests compound sterilizing pharmaceutical composition of the present invention, experimental result shows that it can prevent and treat the multiple rice disease that fungi causes effectively, particularly to rice sheath blight disease, it is long to have high activity, lasting period, and low toxicity, low-residual, low cost, with eco-friendly characteristic, application prospect is good.
Embodiment
Embodiment 1
Get jinggangmeisu 2kg (jinggangmycin A content 40%), Fluoxastrobin 1kg, it is mixed at stirrer for mixing 20min, obtain pharmaceutical composition of the present invention.
Embodiment 2
Get jinggangmeisu 3kg (jinggangmycin A content 50%), Fluoxastrobin 1kg, it is mixed at stirrer for mixing 20min, obtain pharmaceutical composition of the present invention.
Embodiment 3
Get jinggangmeisu 4kg (jinggangmycin A content 50%), Fluoxastrobin 1kg, it is mixed at stirrer for mixing 30min, obtain pharmaceutical composition of the present invention.
Embodiment 4
Get jinggangmeisu 5kg (jinggangmycin A content 50%), Fluoxastrobin 1kg, it is mixed at stirrer for mixing 30min, obtain pharmaceutical composition of the present invention.
Embodiment 5
Get jinggangmeisu 8kg (jinggangmycin A content 40%), Fluoxastrobin 1kg, it is mixed at stirrer for mixing 40min, obtain pharmaceutical composition of the present invention.
Embodiment 6
Get jinggangmeisu 10kg (jinggangmycin A content 20%), Fluoxastrobin 1kg, it is mixed at stirrer for mixing 40min, obtain pharmaceutical composition of the present invention.
Embodiment 7
Get jinggangmeisu 10kg (jinggangmycin A content 40%), Fluoxastrobin 1kg, it is mixed at stirrer for mixing 40min, obtain pharmaceutical composition of the present invention.
Embodiment 8
20% Fluoxastrobin/jinggangmeisu wetting powder (6: 14) 100Kg
The first step: the making of the female powder of 20% Fluoxastrobin
A. take by weighing quantity of goods produced 6.3Kg (rolling over hundred 6.0Kg), the White Carbon black 5Kg of 95% Fluoxastrobin, light calcium carbonate 8.7Kg, auxiliary agent: dispersant 5.0Kg, wetting agent 5.0Kg, pour into successively and stir (30 minutes) in the mixer and mix stand-by.
B. the female powder with mixing carries out air-flow crushing, mixing again after finishing, the requirement that touches the mark of (10 minutes) quality.
Second step: finished product preparation
Take by weighing 20% jinggangmeisu (A) pulvis 70.0Kg (rolling over hundred 14.Kg) in kind, take by weighing the female powder 30Kg of 20% Fluoxastrobin, pour into successively in the mixer and treat quality inspection after the stirring (30 minutes) evenly.
The 3rd step: detect that every quality index is qualified, metering, distributing, packaging is the finished product warehouse-in.
Embodiment 9
20% Fluoxastrobin/jinggangmeisu suspending agent ((5: 15) 100Kg) 100Kg
The first step: batching, shearing
Take by weighing 95% Fluoxastrobin quantity of goods produced 5.3Kg (rolling over hundred 5.0Kg), xanthans 0.2Kg, aluminium-magnesium silicate 1Kg, the big gun agent 0.5Kg that disappears, take by weighing 50% jinggangmeisu (A) 30.0Kg in kind (rolling over hundred 15.0Kg), auxiliary agent (triphen ethyl-phenol APEO, fatty alcohol-polyoxyethylene ether ratio 1: 1) 10Kg, add water 53.0Kg pour into successively shear shear in the still (40 minutes) even.
Second step: grind
It is up to standard to grind suspensibility by grinder after having sheared.
The 3rd step: it is qualified to detect every quality index, and metering, distributing, packaging is finished product
For compound sterilizing pharmaceutical composition of the present invention, carried out respectively Fluoxastrobin synergistic effect, the field efficacy of composite jinggangmycin carried out comparative study, the result is as follows:
(1), Fluoxastrobin and composite jinggangmycin are to the growth inhibiting synergistic effect of Rhizoctonia solani Kuhn
Adopt the abundant method of Sun Yun, namely calculate the method for the co-toxicity coefficient of built agent with poison exponent.Sun Yunpei etc. (1960) think, co-toxicity coefficient significantly is synergistic effect greater than 100, less than 100 for picking up anti-effect, are summation action near 100 significantly.Concrete calculation procedure is as follows;
The percentage composition of B medicine in the poison exponent * mixture of the percentage composition of A medicine+B medicine in the poison exponent * mixture of the theoretical poison exponent of LD50 (LC50) * 100 mixture of the LD50 (LC50) of poison exponent=standard insecticide/confession examination insecticide=A medicine
Co-toxicity coefficient=mixture actual measurement poison exponent/theoretical the poison exponent of mixture * 100
(1) according to jinggangmeisu: Fluoxastrobin 5: 1 and single dose are to toxicity regression and the co-toxicity coefficient of sheath blight fungus growth.
Through indoor measurement, Fluoxastrobin and composite jinggangmycin and two single doses to the virulence regression equation of sheath blight fungus are:
Fluoxastrobin: y=5.3031+2.0654x r=0.995 LC50=2.97mg/L
Jinggangmeisu: y=3.3077+1.9919x r=0.987 LC50=31.09mg/L
Fluoxastrobin and jinggangmeisu mixture: y=4.8838+1.9109x r=0.993 LC50=5.38mg/L
Coefficient of synergism:
Take jinggangmeisu as the standard medicament, the toxicity index of each medicament is respectively:
Jinggangmeisu 100, Fluoxastrobin 995.8, Fluoxastrobin and jinggangmeisu mixture 614.8.
The theoretical toxicity index of built agent is 256.6
Synergistic effect (co-toxicity coefficient) is 239.6
Press the abundant synergy criterion of Sun Yun: co-toxicity coefficient significantly is synergy greater than 100, and is significantly anti-for picking up less than 100, equals 100 and is summation action, and therefore Fluoxastrobin and composite jinggangmycin co-toxicity coefficient have significant synergies all significantly greater than 100.
(2) according to jinggangmeisu: Fluoxastrobin 3: 1 (quality meter) and single dose are to toxicity regression and the co-toxicity coefficient of sheath blight fungus growth:
Fluoxastrobin and jinggangmeisu mixture: y=4.5338+1.6393x r=0.988 LC50=11.64mg/L
Fluoxastrobin: y=5.3031+2.0654x r=0.995 LC50=2.97mg/L
Jinggangmeisu: y=3.3077+1.9919x r=0.987 LC50=31.09mg/L
Coefficient of synergism:
Take jinggangmeisu as the standard medicament, the toxicity index of each medicament is respectively:
Jinggangmeisu 100, Fluoxastrobin 995.8, Fluoxastrobin and jinggangmeisu mixture 368.2.
The theoretical toxicity index of built agent is that 323.9 synergistic effects (co-toxicity coefficient) are 113.7
Press the abundant synergy criterion of Sun Yun: co-toxicity coefficient significantly is synergy greater than 100, and is significantly anti-for picking up less than 100, equals 100 and is summation action, and therefore Fluoxastrobin and composite jinggangmycin co-toxicity coefficient have synergistic effect all greater than 100.
As seen by above-mentioned, pharmaceutical composition Fluoxastrobin of the present invention and jinggangmeisu have significant synergy, and it is better to compare independent effect.
(2), to the field efficacy of rice sheath blight disease
Adopt respectively the pharmaceutical composition of 1-7 of the present invention to carry out 2 years field trials on Luhe district and other places, Fluoxastrobin and jinggangmeisu single dose, Fluoxastrobin and composite jinggangmycin agent and blank are established in test, count six processing, and each processes residential quarter area 33.34m, randomized arrangement, three repetitions.Be the medication of rice sheath blight disease rising stage in Shui Dao Fen Nie latter stage, every mu is watered the conventional spraying of 50Kg, behind the medicine 7 days, 14 days, carry out the field efficacy investigation, method: before the medication every residential quarter at random inserted link fix 5 points, every 5 caves, look into altogether 25 caves, the sick cave of investigation record number, diseased plant number, severity, grade scale, according to the requirement of the Institute for the Control of Agrochemicals of the Ministry of Agriculture,PRC's field control effectiveness test standard, add up disease cave rate, diseased plant rate, disease index, calculating diseased plant preventive effect, disease and refer to preventive effect.
Experimental result shows the result, and behind the medicine 7 days, 15 days, Fluoxastrobin and composite jinggangmycin agent strain preventive effect (%) reached respectively 76.6-85.1%, 83.6-90.3%; Disease refers to that preventive effect (%) is 82.6-94.1%, 92.6-97.3%.And alone jinggangmeisu (mu with 20% wetting powder 50g) strain preventive effect (%) is 56.4-70.1%, 63.6-66.3%; Disease refers to that preventive effect (%) 65.6-78.1%, the alone Fluoxastrobin of 51.2-70.3% (mu with 25% suspension 10ml) strain preventive effect (%) is 74.5-73.0%, 75,5-81.8%; Disease refers to preventive effect (%) 82.6-89.1%, 80.5-82.1%.Adopt the new multipole difference analysis of Dancan ' s methods analyst each process between the significance of difference, show built agent to the quick-acting of rice sheath blight disease and lasting effect significantly better than two single doses, synergy is more remarkable.
Measure and field efficiency test by above-mentioned indoor antibacterial test, co-toxicity coefficient, the result proves that Fluoxastrobin and validamycin compound germicide have the notable synergistic effect, show that the composite bactericide selection is reasonable, scientific formulation, applicability is very strong, and application prospect is very wide.
Claims (10)
1. compound sterilizing pharmaceutical composition, it is characterized in that described pharmaceutical composition comprise jinggangmeisu with (E)-2-{2-[6 (2-cyano-benzene oxygen) pyrimidine-4-yl oxygen] phenyl-the 3-methoxy-methyl acrylate.
2. compound sterilizing pharmaceutical composition according to claim 1 is characterized in that described jinggangmeisu is jinggangmycin A.
3. compound sterilizing pharmaceutical composition according to claim 1, it is characterized in that described (E)-2-{2-[6 (2-cyano-benzene oxygen) pyrimidine-4-yl oxygen] phenyl }-3-methoxy-methyl acrylate effective ingredient consumption is 0.1g.a.i-10g.a.i, described jinggangmeisu effective ingredient consumption is 1g.a.i-50g.a.i.
4. compound sterilizing pharmaceutical composition according to claim 1, it is characterized in that described jinggangmeisu with (E)-2-{2-[6 (2-cyano-benzene oxygen) pyrimidine-4-yl oxygen] phenyl-mass ratio of 3-methoxy-methyl acrylate is 3: 1-5: 1.
5. the application of the described compound sterilizing pharmaceutical composition of the arbitrary claim of claim 1-4 in the rice disease that the control fungi causes, described rice disease comprises rice sheath blight disease, rice blast, false smut.
6. a composite bactericide comprises the described compound sterilizing pharmaceutical composition of the arbitrary claim of claim 1-4 and agricultural chemicals auxiliary material.
7. composite bactericide according to claim 6 is characterized in that being wetting powder, is comprised of jinggangmeisu, Fluoxastrobin and auxiliary agent, inserts, and wherein auxiliary agent accounts for the 5-20% of gross weight.
8. composite bactericide according to claim 7 is characterized in that described auxiliary agent is comprised of dispersant and wetting agent.
9. composite bactericide according to claim 6 is characterized in that being suspending agent, is comprised of jinggangmeisu, Fluoxastrobin and auxiliary agent, water, inserts, and wherein auxiliary agent accounts for the 5-20% of gross weight.
10. composite bactericide according to claim 9 is characterized in that described auxiliary agent is comprised of wetting agent, dispersant, thickener, stabilizing agent and defoamer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011102999488A CN103027049A (en) | 2011-09-30 | 2011-09-30 | Compound pesticide composition, application and preparation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102999488A CN103027049A (en) | 2011-09-30 | 2011-09-30 | Compound pesticide composition, application and preparation |
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| CN103027049A true CN103027049A (en) | 2013-04-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102783488A (en) * | 2012-08-31 | 2012-11-21 | 张光来 | Azoxystrobin and validamycin A composite bactericide |
| CN114302646A (en) * | 2019-06-15 | 2022-04-08 | Jdm科学研究组织私人有限公司 | Synergistic fungicidal compositions |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1561724A (en) * | 2004-03-18 | 2005-01-12 | 南京农业大学 | Biological-chemical synergistic sterilizer and its use |
| JP2008037783A (en) * | 2006-08-04 | 2008-02-21 | Sumitomo Chemical Co Ltd | Composition for controlling plant disease injury |
-
2011
- 2011-09-30 CN CN2011102999488A patent/CN103027049A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1561724A (en) * | 2004-03-18 | 2005-01-12 | 南京农业大学 | Biological-chemical synergistic sterilizer and its use |
| JP2008037783A (en) * | 2006-08-04 | 2008-02-21 | Sumitomo Chemical Co Ltd | Composition for controlling plant disease injury |
Non-Patent Citations (1)
| Title |
|---|
| 王文桥 等: "防治小麦纹枯病的杀菌剂筛选", 《华北农学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102783488A (en) * | 2012-08-31 | 2012-11-21 | 张光来 | Azoxystrobin and validamycin A composite bactericide |
| CN114302646A (en) * | 2019-06-15 | 2022-04-08 | Jdm科学研究组织私人有限公司 | Synergistic fungicidal compositions |
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Application publication date: 20130410 |