CN103120183A - Fosthiazate and azoxystrobin pesticide composition - Google Patents
Fosthiazate and azoxystrobin pesticide composition Download PDFInfo
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- CN103120183A CN103120183A CN2013100431845A CN201310043184A CN103120183A CN 103120183 A CN103120183 A CN 103120183A CN 2013100431845 A CN2013100431845 A CN 2013100431845A CN 201310043184 A CN201310043184 A CN 201310043184A CN 103120183 A CN103120183 A CN 103120183A
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- fosthiazate
- fluoxastrobin
- azoxystrobin
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Abstract
The invention discloses a fosthiazate and azoxystrobin pesticide composition. The weight part ratio of fosthiazate to azoxystrobin is in a range from 10: 1 to 1: 10; and the weight percentage of the weight sum of the fosthiazate and the azoxystrobin in the pesticide composition is 5-50%. The two effective components of the pesticide composition disclosed by the invention are mixed to have very good prevention and treatment effects on crop root-knot nematodes and wilts so that the use dosage of a pesticide is reduced, manpower and material resources are saved and the pollution of the pesticide to an environment is reduced; and the fosthiazate and azoxystrobin pesticide composition is applicable to preventing and treating crop nematodes of vegetables, cotton, fruit trees, soybeans, peanuts, flowers and plants and the like.
Description
Technical field
The composition pesticide that the present invention relates to is take Fluoxastrobin and fosthiazate as active ingredient, is applicable to prevent and treat crops nematode, fusarium wilt.
Background technology
Plant parasitic nematodes in plants and soil is one of main pathogen of plant infectious diseases, it cause harm to be not only and draw plant nutrition and cause that the underproduction and quality descend, also can make the root cells excessive increase become goiter and tumor, lose the ability that absorbs nutrient and moisture, plant is declined extremely.Also can pass concurrent other diseases of disease carrying germ.
The chemical agent of control nematode has phonamiphos, carbofuran, terbufos, the contour malicious agricultural chemicals of cadusafos at present, and this type of agricultural chemicals is because of long-term single use, and nematode is larger to its pesticide resistance, and toxicity is high, and environmental pollution is serious.Therefore be badly in need of a kind of nematoda control medicament of efficient, low toxicity.
Fluoxastrobin, English name is Azoxystrobin, belong to methoxy acrylate (Strobilurin) series bactericidal agent, high-efficiency broad spectrum all has good activity to nearly all mycota (Ascomycotina, Basidiomycotina, Mastigomycotina and Deuteromycotina) disease such as powdery mildew, rust, glume blight, net blotch, downy mildew, rice blast etc.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.
Fosthiazate belongs to organophosphorus insecticides, has and tags and systemic action, is mainly used in preventing and treating nematode, aphid etc., can be widely used in vegetables, banana, and fruit tree, the crops such as medicinal material, toxicity is lower, meets export of farm produce standard.
Being mixed of different pesticide species is the common methods of the agriculture resistance disease of control, worm, crop smothering.Screening by formulation of pesticide, filter out rational formula, can effectively improve actual control efficiency, reduce dosage, reduce costs, delay the generation of disease drug resistance, is the important means of disease, worm, the crop smothering comprehensive regulation.The inventor conducts in-depth research the formula screening of Fluoxastrobin and fosthiazate, find that Fluoxastrobin and fosthiazate are mixed, to the nematode synergistic effect, to other diseases, as fusarium wilt, damping off, certain double effect of controlling is arranged in certain mixed ratio scope in the control nematode.
Summary of the invention
The object of the present invention is to provide a kind of efficient, low toxicity, the active ingredient that is conducive to integrated control nematode and fusarium wilt is the composition pesticide of Fluoxastrobin and fosthiazate.
Another object of the present invention is to provide the purposes that this composition pesticide is used for control crop nematode and fusarium wilt.
Technical solution of the present invention: a kind of composition pesticide, take Fluoxastrobin and fosthiazate as active ingredient, the ratio of weight and number of Fluoxastrobin and fosthiazate is 10:1～1:10, Fluoxastrobin and the percentage by weight of fosthiazate weight summation in composition pesticide are 5%～50%, and all the other are to allow in agricultural chemicals to use and the acceptable auxiliary element.
Composition pesticide of the present invention adopts known method preparation to be mixed with granule and uses when practical application.
The auxiliary element that composition pesticide of the present invention uses comprises that solvent, emulsifier, wetting agent, stabilizing agent, thickener, PH conditioning agent, film forming agent, packing agent etc. are of value to active ingredient and stablize and bring into play the known substance of drug effect in preparation, be all various compositions commonly used in pesticidal preparations or that permission is used, concrete composition and consumption require to determine by test according to formula.
Product described in the invention can finished product preparation form provide, namely in composition, each material mixes, insecticide-applying way can spread fertilizer over the fields, ditch spread, a kind of the carrying out of spreading manuer in holes etc.
The present composition is applicable to prevent and treat vegetables, cotton, fruit tree, soybean, peanut, flowers and other crops nematode and fusarium wilt.
Compared with prior art, the invention has the advantages that: 1, composite have an obvious synergistic effect, improved control efficiency; 2, delay the damage by disease and insect pesticide resistance; 3, two kinds of active ingredients are composite, reduced the agricultural chemicals usage amount, reduced cost and to the pollution of environment.
Embodiment
Purpose of the present invention, technical scheme and advantage are more clear to be understood in order to make, and below in conjunction with embodiment, the present invention is further illustrated.Should be understood that, embodiment described herein only be used for to explain the present invention, is not intended to limit the present invention, and all any modifications of making within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be within protection scope of the present invention.
Embodiment one: Fluoxastrobin and fosthiazate are mixed the synergy of cucumber root-knot nematode are measured.
Test method: get the cucumber root that produces a large amount of root knots, running water is rinsed well gently, with the dissecting needle milky egg capsule on the picking old complaint gently, put into the little culture dish of diameter 6cm, add a small amount of sterile water, hatch 3-4d in 25 ℃ of insulating boxs, collect 2 instar larvaes, and add sterile water that the suspension that it is mixed with finite concentration (about 500/ml) is standby.
Set 5 concentration gradients and process, take sterile water as blank.Get 96 grandson's Tissue Culture Plates, every grandson adds the medicament 150nl of the variable concentrations for preparing, add again isopyknic nematode suspension, under 25 ℃ of conditions, moisturizing is cultivated, different time after processing checks amount of survival and the dead quantity of southern nematode 2 instars respectively, nematode is the stiff motionless dead worm that is, nematode is crooked wriggling state and is the worm that lives.Calculate lethality and corrected mortality.
According to survey data, calculate the corrected mortality that each is processed.And adopt the abundant method of Sun Yun to calculate the co-toxicity coefficient (CTC value) of mixture with reference to NY/T1154.1-2006.If contrast lethality＜5% is not proofreaied and correct; The contrast lethality is proofreaied and correct between 5%-20%; Contrast lethality＞20%, test need be reformed.Take the logarithm value of drug concentration (mg/L) as independent variable x, take the probit value of corrected mortality as dependent variable y, set up respectively the virulence regression equation formula, adopt DPS software to calculate the LC of single dose and each proportioning mixture
50, LC
90, 95% confidence limit and mixture co-toxicity coefficient thereof, relatively synergy situation.According to the NY/T11547.7-2006 insecticide synergy criteria for classifying: co-toxicity coefficient (CTC value) 〉=120 shows as synergistic effect; Co-toxicity coefficient (CTC value)≤120 shows as antagonism; 80＜co-toxicity coefficient (CTC value)＜80 shows as summation action.
Measurement result (seeing Table 1) shows, the scope of the composite proportioning 10:1 of Fluoxastrobin and fosthiazate～1:10 is interior to nematode CTC value 〉=120, illustrate that the synergy that Fluoxastrobin and fosthiazate are mixed to nematode belongs to synergistic effect, Fluoxastrobin and fosthiazate be composite has reasonability and feasibility.
Table 1, different proportioning Fluoxastrobin and fosthiazate are measured the synergy of cucumber root-knot nematode.
Measure to the co-toxicity coefficient of cucumber root-knot nematode as can be known according to the mass ratio of 1:10～10:1 according to Fluoxastrobin, lythidathion, Fluoxastrobin, lythidathion show excellent preventive effect according to the ratio of 1:10 to root-knot nematode.
Embodiment two: formula and the processing method of 11% Fluoxastrobin fosthiazate granule:
Fluoxastrobin 1%,
Fosthiazate 10%,
White carbon 5%,
Attapulgite 25%,
Polyvinyl alcohol 2%,
The kaolin surplus.
Above-mentioned formula is pulverized in proportion → is dropped in agitator stir → add in granulation disc that water granulation → drying box is dry processes → cooling → sieving → packing makes 11% Fluoxastrobin fosthiazate granule.
Embodiment three:Adopt the 11% Fluoxastrobin fosthiazate granule of above-described embodiment two to carry out field trial, control cucumber root-knot nematode and fusarium wilt, experiment place is Nanning, and test period is in June, 2012, and insecticide-applying way spreads fertilizer over the fields before adopting transplanting.Take 2000 g/acres of 1500 g/acres of 5% lythidathion granules, 0.5% Fluoxastrobin granule as the contrast medicament, test processing with 1500 g/acres of above-mentioned 11% lythidathion Fluoxastrobin granules.Result of the test sees Table 2, table 3.
Table 2, to the result of the test of cucumber root-knot nematode.
Table 3, to the result of the test of cucumber fusarium axysporum.
Result of the test shows: composition pesticide of the present invention has obvious synergistic effect, can effectively preventing crop root-knot nematode and fusarium wilt, and a dispenser can solve the control of main soil-borne disease insect pest in seedling stage.Reduce dosage, reduce costs, delay the drug-fast generation of nematode, reduced environmental pollution.
Claims (3)
1. a fosthiazate and Fluoxastrobin composition pesticide, it is characterized in that: active ingredient is Fluoxastrobin and fosthiazate, the ratio of weight and number of Fluoxastrobin and fosthiazate is 10:1～1:10, and Fluoxastrobin and the percentage by weight of fosthiazate weight summation in composition pesticide are 5%～50%.
2. fosthiazate according to claim 1 and Fluoxastrobin composition pesticide, is characterized in that: be mixed with granule and use when practical application.
3. fosthiazate according to claim 1 and Fluoxastrobin composition pesticide, is characterized in that: be applicable to prevent and treat crops nematode, fusarium wilt.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310043184.5A CN103120183B (en) | 2013-02-04 | 2013-02-04 | Fosthiazate and Fluoxastrobin composition pesticide |
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| CN201310043184.5A CN103120183B (en) | 2013-02-04 | 2013-02-04 | Fosthiazate and Fluoxastrobin composition pesticide |
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| CN103120183A true CN103120183A (en) | 2013-05-29 |
| CN103120183B CN103120183B (en) | 2016-05-11 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104206410A (en) * | 2014-04-30 | 2014-12-17 | 广东中迅农科股份有限公司 | Pesticide composition containing fosthiazate and difenoconazole |
| CN106106510A (en) * | 2016-06-24 | 2016-11-16 | 江苏省绿盾植保农药实验有限公司 | A kind of rice seed soaking medicament containing fosthiazate and 2-cyano-3-amino-3-phenylancryic acetate and application thereof |
| CN104839205B (en) * | 2015-04-18 | 2018-06-19 | 广东中迅农科股份有限公司 | A kind of prevention watermelon root disease composition pesticide |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1047286A (en) * | 1989-02-10 | 1990-11-28 | 帝国化学工业公司 | Sterilant |
| EP1925205A1 (en) * | 2006-11-23 | 2008-05-28 | Sygenta Participations AG. | Plant propagation material treatment nematicides |
| CN102334509A (en) * | 2011-10-31 | 2012-02-01 | 联保作物科技有限公司 | Insect-killing and disease-preventing suspension seed coating formulation |
| CN102696673A (en) * | 2012-06-01 | 2012-10-03 | 北京明德立达农业科技有限公司 | Fosthiazate insecticide composition and application thereof |
-
2013
- 2013-02-04 CN CN201310043184.5A patent/CN103120183B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1047286A (en) * | 1989-02-10 | 1990-11-28 | 帝国化学工业公司 | Sterilant |
| EP1925205A1 (en) * | 2006-11-23 | 2008-05-28 | Sygenta Participations AG. | Plant propagation material treatment nematicides |
| CN102334509A (en) * | 2011-10-31 | 2012-02-01 | 联保作物科技有限公司 | Insect-killing and disease-preventing suspension seed coating formulation |
| CN102696673A (en) * | 2012-06-01 | 2012-10-03 | 北京明德立达农业科技有限公司 | Fosthiazate insecticide composition and application thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104206410A (en) * | 2014-04-30 | 2014-12-17 | 广东中迅农科股份有限公司 | Pesticide composition containing fosthiazate and difenoconazole |
| CN104839205B (en) * | 2015-04-18 | 2018-06-19 | 广东中迅农科股份有限公司 | A kind of prevention watermelon root disease composition pesticide |
| CN106106510A (en) * | 2016-06-24 | 2016-11-16 | 江苏省绿盾植保农药实验有限公司 | A kind of rice seed soaking medicament containing fosthiazate and 2-cyano-3-amino-3-phenylancryic acetate and application thereof |
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| CN103120183B (en) | 2016-05-11 |
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