CN102669114B - A kind of prothioconazoles that contains is with the composition pesticide of hymexazo - Google Patents
A kind of prothioconazoles that contains is with the composition pesticide of hymexazo Download PDFInfo
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- CN102669114B CN102669114B CN201210119926.3A CN201210119926A CN102669114B CN 102669114 B CN102669114 B CN 102669114B CN 201210119926 A CN201210119926 A CN 201210119926A CN 102669114 B CN102669114 B CN 102669114B
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Abstract
<b/> the present invention relates to a kind of composition pesticide containing prothioconazoles and hymexazo, and effective ingredient is prothioconazoles and hymexazo, and the parts by weight ratio of prothioconazoles and hymexazo is 30:1 ~ 1:30.Composition pesticide of the present invention can be processed into suspending agent, wetting powder, is suitable for for preventing and treating watermelon blight.The use of composition pesticide of the present invention can reduce the using dosage of agricultural chemicals, reduces times for spraying, reduces drug cost, to Crop securify.
Description
Technical field
The invention belongs to pesticide sterilizing technical field, being specifically related to prothioconazoles with hymexazo is the pesticide sterilizing composite of effective ingredient, for preventing and treating watermelon blight.
Background technology
Watermelon blight is by Deuteromycotina fungi, caused by watermelon pinch outs infects, belong to soil-borne disease, have the title of " plant cancer ", all can occur in each period of watermelon growing, not only cause watermelon offspring and ground stem with upper part withered death, the underproduction of being short of seedling, and germ can also contaminated soil, infecting potential can reach 4 ~ 7 years, watermelon can not be planted by continuous cropping, and especially high in soil moisture content, during high humidity, morbidity is serious.
Prothioconazoles is a kind of Fungicide: Prothio-conazole, is a kind of demethylation inhibitors (DMI), plays precursor-lanosterol demethylation effect on 14-or-24 methylene lanostenol of sterol in Antifungi.By a large amount of field control effectiveness tests, result shows that prothioconazoles not only has good safety to crop, and controlling disease is effective, and volume increase obviously, and compare with triazole bactericidal agent, prothioconazoles has the bactericidal activity of wide spectrum, and the lasting period is long.
Hymexazo is heterocyclic systemic fungicide, is again a kind of soil disinfectant simultaneously, has good preventive effect to the damping off that rotten mildew, sickle-like bacteria etc. cause.The iron of this medicine in soil, aluminium ion are combined, and suppress the germination of spore.Hymexazo by the root absorption of plant and can move in root system, produces two kinds of glucosides, crop is improved to the effect of physiologically active, thus can promote plant strain growth at plant intracellular metabolite, and the divide increase of evil, root hair and the activity of root of root improve.
Prothioconazoles, with hymexazo mixture and application, there is no report at present.
Summary of the invention
The object of the present invention is to provide a kind of efficient, low toxicity, low cost, quick-acting are good, the lasting period is long, to crop safety, environment amenable composition pesticide.
The present inventor, by a large amount of indoor bioassay test and field medicine effect test, finds prothioconazoles with hymexazo is in certain proportion after mixture, has significant synergistic effect to fusarium wilt.
On the basis of above-mentioned discovery, after further study, define technical scheme of the present invention, that is: a kind of composition pesticide, effective ingredient is prothioconazoles and hymexazo, and the parts by weight ratio of prothioconazoles and hymexazo is 30:1 ~ 1:30.Prothioconazoles is Yu the percentage by weight of weight summation in composition pesticide of hymexazo is 1% ~ 50%.
Composition pesticide of the present invention according to well known to a person skilled in the art method, can be processed into the application forms of the applicable agricultural use such as suspending agent, wettable agent.
Composition pesticide of the present invention is also containing the auxiliary element of preparation needed for pesticidal preparations, comprise one or more mixing in emulsifier, wetting agent, stabilizing agent, dispersant, thickener, defoamer, antifreezing agent, filler, filler, medium etc., be known substance, various auxiliary agents conventional in pesticidal preparations, can change to some extent according to different situations, be not particularly limited.
For suspending agent, the emulsifier of use can be naphthalene or alkyl naphthalene formaldehyde condensation product and salt, Nongru-700 #(common name alkyl phenol formaldehyde resin polyoxyethylene ether), agriculture breast 1601#(common name triphenoethyl benzene phenol polyoxyethylene polyoxypropylene block polymer), one or more in sorbitan monostearate.The dispersant used can be lignin and derivative sulfonate thereof, polycarboxylate, pull open in powder, alkylnaphthalene sulfonate one or more.The wetting agent used can be one or more in naphthalene sulfonate, alkylsulfonate, alkyl sulfate, the withered powder of tea, spaonin powder, alkylphenol polyoxyethylene formaldehyde condensation products phosphate, phenethyl phenol polyethenoxy base ether phosphate.Thickener can be one or more in bentonite, methylcellulose, Magnesiumaluminumsilicate, polyvinyl alcohol, xanthans; Preservative can be one or more in formaldehyde, Sodium Benzoate, benzoic acid; Defoamer is organosilicon; Antifreezing agent can be one or more in ethylene glycol, propane diols, urea, glycerine, sodium chloride.
For wetting powder, the dispersant of use can be one or more in lignin and derivative sulfonate thereof, polycarboxylate, alkylnaphthalene sulfonate, naphthalenesulfonate formaldehyde condensation compound.Wetting agent can be one or more in alkyl sulfate, alkylsulfonate, naphthalene sulfonate, polyoxyethylene nonylphenol ether.Filler is as one or more in kaolin, white carbon, talcum powder, calcium bicarbonate, diatomite, potter's clay.
Composition pesticide described in the invention, can finished product preparation form provide, namely in composition, each material mixes, and the composition of composition also can provide by unit dose form, directly mixes in bucket or tank, be then diluted to desired concn before using.
Composition pesticide described in the invention, for preventing and treating watermelon blight.
Composition pesticide described in the invention, the method for can adopt spraying, fill with root, spreading fertilizer over the fields uses, and also can adopt other operation technique agriculturally applied as required.
Composition pesticide described in the invention has following beneficial effect.
1, composition pesticide provided by the invention, obvious synergistic effect is shown in certain ratio range, the control efficiency of composition is significantly improved than single dose, reduce the using dosage of agricultural chemicals, decrease times for spraying, reduce drug cost, decrease the adverse effect of agricultural chemicals to ecotope.
2, composition pesticide provided by the invention, two kinds of effective ingredient mechanism of action are different, are conducive to overcoming and delay the drug-fast generation of germ, extend the service life of medicament.
3, composition pesticide provided by the invention, drug effect plays rapidly, and the lasting period is long, and use cost reduces, and easy to use, time saving and energy saving, it applies huge economic benefit and social benefit.
4, composition pesticide provided by the invention, formulation environmental protection, to Crop securify.
Embodiment
In order to make object of the present invention, technical scheme and advantage more short and sweet, the following specific embodiment of the present invention is described, but the present invention is only limitted to absolutely not these examples.The following stated is only the good embodiment of the present invention, only for describing the present invention, can not be interpreted as the restriction to scope of the present invention.It should be pointed out that all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
In these embodiments, unless otherwise indicated, all percentage is all weight percentage.
Dissimilar pesticide active ingredient is carried out mixture, is a kind of effective means solving the problem such as use cost and pesticide resistance in agricultural chemicals single dose application process at present.After dissimilar pesticide active ingredient mixture, usually show three kinds of type of action, i.e. summation action, synergistic effect, antagonism.The present inventor, on the basis that a large amount of indoor and outdoors biometric is tested, finds that prothioconazoles and hymexazo are within the scope of certain mixed ratio, have significant synergies to wilt.
assays Example 1: prothioconazoles is Yu hymexazo mixture is to the Toxicity Determination of withered germ of water-melon.
Material selec-tion: the sick stem of watermelon blight picking up from field.
Test method: first use the former medicine of acetone solution 98% prothioconazoles and the former medicine of 94% hymexazo, make single dose mother liquor respectively.According to preliminary experiment result, on the basis of above-mentioned single dose mother liquor, appropriate two former medicines are mixed with the mixture of five kinds of different ratio, then it is stand-by to be mixed with 6 series mass strength solution with the aqueous solution dilution of the Tween 80 containing 0.1% respectively.Prothioconazoles dilution is 80 μ g/ml, 40 μ g/ml, 20 μ g/ml, 10 μ g/ml, 5 μ g/ml, 1 μ g/ml; Hymexazo dilution is 160 μ g/ml, 80 μ g/ml, 40 μ g/ml, 20 μ g/ml, 10 μ g/ml, 5 μ g/ml; Prothioconazoles is Yu it is 64 μ g/ml, 32 μ g/ml, 16 μ g/ml, 8 μ g/ml, 4 μ g/ml that hymexazo five kinds of different ratio (ratio of effective ingredient weight is 30:1,15:1,1:1,1:15,1:30) dilute.
The watermelon seedling that growth selection is consistent, each process selects 5 basins for examination watermelon seedling, sprays under 50PSI pressure with Pottor spray tower, the about 20ml of every basin.After chemicals treatment, 24h connects bacterium, sick for the watermelon blight picking up from field leaf is evenly shaken off conidium on watermelon seedling and inoculates, then watermelon seedling is put into greenhouse and cultivate, according to the morbidity grouping standard complete stool investigation disease index of watermelon blight after 7d.
According to survey data, calculate each concentration for the treatment of to the mycelial growth inhibition rate for examination target bacterium by NY/T1156.2-2006, unit is percentage (%).
Be independent variable x with the logarithm value of drug concentration (μ g/ml), with the probit value of inhibiting rate for dependent variable y, set up virulence regression equation formula respectively, adopt DPS software to calculate the EC of single dose and each proportioning mixture
50the co-toxicity coefficient (CTC) of (95% confidence limit) and mixture.
According to the NY/T1156.6-2006 bactericide synergy criteria for classifying: co-toxicity coefficient (CTC) >=120 shows as synergistic effect; Co-toxicity coefficient (CTC)≤80 shows as antagonism; 80 < co-toxicity coefficient (CTC) < 120 show as summation action.
Table 1, prothioconazoles are Yu hymexazo and different ratio are to the toxicity test result of withered germ of water-melon.
As can be seen from result of the test table 1, prothioconazoles is Yu hymexazo mixture is between 30:1 ~ 1:30 at weight amount portion rate, and co-toxicity coefficient (CTC value) is all greater than 120, namely all shows obvious synergistic effect.Prothioconazoles, with hymexazo mixture has reasonability and feasibility, is worth further land for growing field crops to be applied.
Further illustrate by example of formulations below.
example of formulations 1:20% Bing sulphur Jun Zuo hymexazo suspending agent.
Prothioconazoles 4% ， hymexazo 16, polycarboxylate 4%(dispersant), Nongru-700 #5%(emulsifier), lauryl sodium sulfate 2%(wetting agent), xanthans 2%(thickener), organosilicon 0.5%(defoamer), urea 1%(antifreeze), deionized water complements to 100%(filler).
After above-mentioned raw materials is mixed in proportion, obtained 20% Bing sulphur Jun Zuo hymexazo suspending agent after high speed shear, emulsification.
example of formulations 2:50% Bing sulphur Jun Zuo hymexazo wetting powder.
Prothioconazoles 5% ， hymexazo 45%, pulls open powder 3%(wetting agent), NNO12%(dispersant), talcum powder 4%(dispersant) and, kaolin complements to 100%(filler).
Mix entering in blender after above-mentioned formula in proportion coarse crushing, then after air-flow crushing i.e. obtained 50% the third sulphur bacterium azoles hymexazo wetting powders.
field efficacy embodiment 1:prothioconazoles is Yu hymexazo mixture is to the field control effectiveness test of watermelon blight.
Test site is in Lao Keng village, Ren Shan town, Huidong County of Guangdong Huizhou city.Test medicine and dosage, in table 2, often process 4 communities and repeat, each plot area 20 square metres.Carry out first time dispenser at watermelon blight their early stage, be watered even spraying, using clear water process as blank.Second time dispenser is carried out after 7 days.The incidence of 7 days investigation watermelon blights before first time medicine and after second time medicine.Every community adopts 5 samplings, and often some investigation two strains, all blades are investigated in every strain, and the percentage accounting for whole blade area with lesion area carrys out classification record.Calculate each process disease index and control efficiency.
Grade scale:
0 grade: without scab.1 grade: lesion area accounts for less than 5% of whole leaf area.
3 grades: lesion area accounts for 6% ~ 15% of whole leaf area.
5 grades: lesion area accounts for 16% ~ 25% of whole leaf area.
7 grades: lesion area accounts for 26% ~ 50% of whole leaf area.
9 grades: lesion area accounts for more than 50% of whole leaf area.
According to survey data, calculate disease index and the control efficiency of each process.
Computing formula is:
。
As can be seen from result of the test table 2: the preventive effect of prothioconazoles, hymexazo single dose to watermelon blight is respectively 75.5%, 68.2%.Prothioconazoles of the present invention is Yu hymexazo composition pesticide preventive effect is apparently higher than single dose, result of the test fully shows, prothioconazoles is Yu have obvious synergistic effect to watermelon blight after hymexazo mixture, drug effect can be improved, reduce the using dosage of agricultural chemicals, reduce times for spraying, reduce drug cost, reduce agricultural chemicals to the adverse effect of ecotope, be worth further genralrlization to use.
Table 2, prothioconazoles are Yu hymexazo mixture is to the field control effectiveness test result of watermelon blight.
Claims (4)
1. contain a composition pesticide for prothioconazoles and hymexazo, it is characterized in that: effective ingredient is prothioconazoles, hymexazo; The parts by weight ratio of prothioconazoles and hymexazo is 30:1 ~ 1:30.
2. a kind of prothioconazoles that contains according to claim 1 is with the composition pesticide of hymexazo, it is characterized in that: prothioconazoles is Yu the percentage by weight of weight summation in composition pesticide of hymexazo is 1% ~ 50%.
3. a kind of prothioconazoles that contains according to claim 1 is with the composition pesticide of hymexazo, it is characterized in that: described composition pesticide is processed into suspending agent or wetting powder.
4. a kind of prothioconazoles that contains according to claim 1 is with the composition pesticide of hymexazo is for preventing and treating the purposes of watermelon blight.
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| CN201210119926.3A CN102669114B (en) | 2012-04-23 | 2012-04-23 | A kind of prothioconazoles that contains is with the composition pesticide of hymexazo |
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| CN102669114B true CN102669114B (en) | 2015-12-16 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104621153B (en) * | 2013-11-15 | 2016-07-06 | 南京华洲药业有限公司 | A kind of bactericidal composition containing prothioconazoles and Propamocarb and application thereof |
| CN107467036A (en) * | 2017-09-03 | 2017-12-15 | 佛山市瑞生通科技有限公司 | Composition pesticide and its application containing prothioconazoles and terpenol |
| CN107581200A (en) * | 2017-10-30 | 2018-01-16 | 惠州市无龄康态健康科技有限公司 | A kind of composition pesticide of Han hymexazos |
| CN113660863A (en) * | 2019-04-05 | 2021-11-16 | 三井化学Agro株式会社 | Pesticide compositions with enhanced efficacy |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010146031A2 (en) * | 2009-06-16 | 2010-12-23 | Basf Se | Fungicidal mixtures |
| CN102228045A (en) * | 2011-07-22 | 2011-11-02 | 天津市绿亨化工有限公司 | Novel efficient agricultural bactericide compounded from hymexaxzol and thiram |
| CN102258043A (en) * | 2011-08-18 | 2011-11-30 | 陕西美邦农药有限公司 | Germicide composition containing protioconazole |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010146031A2 (en) * | 2009-06-16 | 2010-12-23 | Basf Se | Fungicidal mixtures |
| CN102228045A (en) * | 2011-07-22 | 2011-11-02 | 天津市绿亨化工有限公司 | Novel efficient agricultural bactericide compounded from hymexaxzol and thiram |
| CN102258043A (en) * | 2011-08-18 | 2011-11-30 | 陕西美邦农药有限公司 | Germicide composition containing protioconazole |
Non-Patent Citations (1)
| Title |
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| 绿亨一号对辣椒死棵防效显著;杨世兰;《四川农业科技》;20001030(第10期);第29页 * |
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