CN102669114A - Pesticide combination containing prothioconazole and hymexazol - Google Patents
Pesticide combination containing prothioconazole and hymexazol Download PDFInfo
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- CN102669114A CN102669114A CN2012101199263A CN201210119926A CN102669114A CN 102669114 A CN102669114 A CN 102669114A CN 2012101199263 A CN2012101199263 A CN 2012101199263A CN 201210119926 A CN201210119926 A CN 201210119926A CN 102669114 A CN102669114 A CN 102669114A
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- hymexazo
- prothioconazoles
- composition pesticide
- hymexazol
- pesticide combination
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Abstract
The invention relates to a pesticide combination containing prothioconazole and hymexazol. Active ingredients of the pesticide combination include the prothioconazole and the hymexazol. By weight, the ratio of the prothioconazole to the hymexazol is 30:1-1:30. The pesticide combination can be processed into suspensions and wettable powders, and is applicable to controlling watermelon fusarium wilt. By the use of the pesticide combination, consumption of pesticides can be reduced, consuming frequency is reduced, application cost is reduced, and safety of crops is guaranteed.
Description
Technical field
The invention belongs to the pesticide sterilizing technical field, be specifically related to prothioconazoles, be used to prevent and treat watermelon blight with hymexazo is the pesticide sterilizing composite of effective ingredient.
Background technology
Watermelon blight is by the Deuteromycotina fungi, and due to watermelon point sickle spore bacterium was infected, dependent territory passed disease; Have the title of " plant cancer ", all can take place, not only cause watermelon offspring and ground stem with the top withered death in each period of watermelon growing; The underproduction of being short of seedling, and germ can also contaminated soil, and infecting potential can reach 4～7 years; Watermelon can not be planted by continuous cropping, and especially high in soil moisture content, morbidity is serious during high humidity.
Prothioconazoles is a kind of novel triazolinthione series bactericidal agent, is a kind of demethylation inhibitor (DMI), plays the demethylation effect on 14-or-24 methylene lanostenols of precursor-lanosterol of suppressing sterol in the fungi.Through a large amount of field control effectiveness tests, the result shows that prothioconazoles not only has good safety to crop, and it is effective to prevent and treat disease, and raising the output obviously compares with triazole bactericidal agent, and prothioconazoles has the bactericidal activity of wide spectrum, and the lasting period is long.
Hymexazo is the heterocyclic systemic fungicide, is again a kind of soil disinfectant simultaneously, and the damping off that rotten mildew, sickle-like bacteria etc. are caused has preventive effect preferably.This medicine combines with iron, aluminium ion in the soil, suppresses the germination of spore.Hymexazo can move by the root absorption of plant and in root system, produces two kinds of glucosides at the plant intracellular metabolite, crop is had the effect that improves physiologically active, thereby can promote plant strain growth, and the activity of the branch evil of root, the increase of root hair and root improves.
Prothioconazoles does not still have report at present with hymexazo is mixed and uses.
Summary of the invention
The object of the present invention is to provide a kind of efficient, low toxicity, low cost, quick-acting is good, the lasting period is long, to crop safety, environment amenable composition pesticide.
The inventor is through test of a large amount of indoor bioassay and field medicine effect test, finds prothioconazoles with after hymexazo is mixed in certain proportion, fusarium wilt is had significant synergistic effect.
On the basis of above-mentioned discovery, through further research, formed technical scheme of the present invention, that is: a kind of composition pesticide, effective ingredient is prothioconazoles and hymexazo, 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 can be processed into the application forms that suitable agricultural such as suspending agent, wettable agent is used according to well known to a person skilled in the art method.
Composition pesticide of the present invention also contains the required auxiliary element of preparation pesticidal preparations; Comprise one or more mixing in emulsifier, wetting agent, stabilizing agent, dispersant, thickener, antifoaming agent, antifreezing agent, filler, filler, the medium etc.; Be known substance; Be various auxiliary agents commonly used in the pesticidal preparations, can change to some extent, do not have special qualification according to different situations.
For suspending agent, the emulsifier of use can be one or more in naphthalene or Fluhyzon formaldehyde condensation products and salt thereof, Nongru-700 # (common name alkyl phenol formaldehyde resin polyoxyethylene ether), agricultural newborn 1601# (common name triphen ethyl-phenol polyoxyethylene polyoxypropylene block polymer), the sorbitan monostearate.The dispersant that uses can be lignin and derivative sulfonate, polycarboxylate, draw back in powder, the alkylnaphthalene sulfonate one or more.The wetting agent that uses can be one or more in naphthalene sulfonate, alkylsulfonate, alkyl sulfate, the withered powder of tea, spaonin powder, APES formaldehyde condensation products phosphate, the phenethyl phenol polyethenoxy base ether phosphate.Thickener can be one or more in bentonite, methylcellulose, Magnesiumaluminumsilicate, polyvinyl alcohol, the xanthans; Preservative can be one or more in formaldehyde, Sodium Benzoate, the benzoic acid; Antifoaming agent is an organosilicon; Antifreezing agent can be one or more in ethylene glycol, propane diols, urea, glycerine, the sodium chloride.
For wetting powder, the dispersant of use can be one or more in lignin and derivative sulfonate thereof, polycarboxylate, alkylnaphthalene sulfonate, the naphthalenesulfonate formaldehyde condensation compound.Wetting agent can be one or more in alkyl sulfate, alkylsulfonate, naphthalene sulfonate, the NPE.In filler such as kaolin, white carbon, talcum powder, calcium bicarbonate, diatomite, the potter's clay one or more.
Composition pesticide described in the invention can the finished product preparation form provide, and promptly each material mixes in the composition, and the composition of composition also can single agent form provide, and directly in bucket or jar, mixes before the use, is diluted to desired concn then.
Composition pesticide described in the invention is used to prevent and treat watermelon blight.
Composition pesticide described in the invention, the method for can adopt spraying, irritate root, spreading fertilizer over the fields is used, and also can adopt agricultural to go up other operation technique of using as required.
Composition pesticide described in the invention has following beneficial effect.
1, composition pesticide provided by the invention; In certain ratio range, show obvious synergistic effect; The control efficiency of composition is significantly improved than single agent, has reduced the using dosage of agricultural chemicals, has reduced the medication number of times; Reduced drug cost, reduced the adverse effect of agricultural chemicals ecotope.
2, composition pesticide provided by the invention, two kinds of effective ingredient mechanism of action have nothing in common with each other, and help overcoming and delay the drug-fast generation of germ, prolong the service life of medicament.
3, composition pesticide provided by the invention, the drug effect performance is rapid, 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, the formulation environmental protection is to crops safety.
Embodiment
In order to make the object of the invention, technical scheme and advantage more short and sweet, the present invention describes with following specific embodiment, but the present invention only limits to these examples absolutely not.The following stated is merely the present invention embodiment preferably, only is used to describe the present invention, can not be interpreted as the restriction to scope of the present invention.Should be pointed out that all any modifications of within spirit of the present invention and principle, being made, be equal to 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 accompanying claims.
In these embodiment, unless otherwise indicated, all percentages all are weight percentage.
Dissimilar pesticide active ingredients is mixed, and is a kind of effective means that solves problem such as use cost and pesticide resistance in the agricultural chemicals list agent application process at present.After dissimilar pesticide active ingredients is mixed, show three kinds of type of action usually, i.e. summation action, synergistic effect, antagonism.The inventor finds that prothioconazoles and hymexazo in certain mixed ratio scope, have significant synergies to wilt on the basis of a large amount of indoor and outdoors biometric tests.
Biologicall test embodiment 1: prothioconazoles Yu hymexazo be mixed to the Toxicity Determination of withered germ of water-melon.
Material is selected: the sick stem of watermelon blight that picks up from the field.
Test method:, process single agent mother liquor respectively earlier with former medicine of acetone solution 98% prothioconazoles and the former medicine of 94% hymexazo.According to the preliminary experiment result, on the basis of above-mentioned single agent mother liquor, an amount of two former medicines are mixed with the mixture of five kinds of different proportionings, be mixed with 6 series mass concentration solution for later use with the aqueous solution dilution that contains 0.1% Tween 80 respectively again.The 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; The 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; Five kinds of different proportionings of prothioconazoles Yu hymexazo (ratio of effective ingredient weight is 30:1,15:1,1:1,1:15,1:30) dilution is 64 μ g/ml, 32 μ g/ml, 16 μ g/ml, 8 μ g/ml, 4 μ g/ml.
Select the consistent watermelon seedling of growth, each processing selects for use 5 basins to supply examination watermelon seedling, under 50PSI pressure, sprays the about 20ml of every basin with the Pottor spray tower.24h connects bacterium after the chemicals treatment, the sick leaf of the watermelon blight that picks up from the field is evenly shaken off conidium inoculate on the watermelon seedling, then the watermelon seedling is put into the greenhouse and cultivates, and the morbidity grouping standard complete stool according to watermelon blight behind the 7d is investigated disease index.
According to survey data, to press NY/T 1156.2-2006 and calculate each concentration of treatment supplying the mycelial growth inhibition rate of examination target bacterium, unit is percentage (%).
Logarithm value with drug concentration (μ g/ml) is independent variable x, is dependent variable y with the probit value of inhibiting rate, sets up the virulence regression equation formula respectively, adopts the EC of the single agent of DPS computed in software and each proportioning mixture
50The co-toxicity coefficient (CTC) of (95% confidence limit) and mixture.
According to the NY/T 1156.6-2006 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 shows as summation action.
Table 1, prothioconazoles Yu hymexazo and different proportioning are to the toxicity test result of withered germ of water-melon.
Can find out that from result of the test table 1 prothioconazoles is Yu hymexazo is mixed at weight amount portion rate is between 30:1～1:30, co-toxicity coefficient (CTC value) promptly all shows obvious synergistic effect all greater than 120.Prothioconazoles has reasonability and feasibility with hymexazo is mixed, and is worth further land for growing field crops to be applied.
Below further specify with FORMULATION EXAMPLE.
FORMULATION EXAMPLE 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% (antifoaming agent), urea 1% (antifreeze), deionized water complement to 100% (filler).
After above-mentioned raw materials mixed in proportion, through making 20% Bing sulphur Jun Zuo hymexazo suspending agent after high speed shear, the emulsification.
FORMULATION EXAMPLE 2:50% Bing sulphur Jun Zuo hymexazo wetting powder.
Prothioconazoles 5% ， hymexazo 45% draws back powder 3% (wetting agent), NNO12% (dispersant), and talcum powder 4% (dispersant), kaolin complement to 100% (filler).
Above-mentioned prescription got in the blender after the coarse crushing in proportion mix, behind comminution by gas stream, promptly make the 50% the third sulphur bacterium azoles hymexazo wetting powders again.
Field efficacy embodiment 1:Prothioconazoles Yu hymexazo be mixed to the field control effectiveness test of watermelon blight.
The test place is Lao Keng village, the Ren Shan of Huidong County town in the Guangdong Huizhou city.Test medicine and dosage are seen table 2, and 20 square metres of each sub-district areas are repeated in 4 sub-districts of every processing.Carry out the dispenser first time at the watermelon blight their early stage, convert the water even spraying, handle as blank with clear water.Carry out the dispenser second time after 7 days.Before first time medicine with medicine for the second time after the incidence of 7 days investigation watermelon blights.5 samplings are adopted in every sub-district, every some investigation two strains, and every all blades of strain investigation, the percentage that accounts for the whole blade area with lesion area comes the classification record.Calculate and respectively handle disease index and control efficiency.
Grade scale:
0 grade: no scab.1 grade: lesion area accounts for below 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 control efficiency that each is handled.
Computing formula is:
。
Can find out from result of the test table 2: the agent of prothioconazoles 、 hymexazo list is respectively 75.5%, 68.2% to the preventive effect of watermelon blight.Prothioconazoles of the present invention Yu hymexazo composition pesticide preventive effect apparently higher than single agent, result of the test fully shows, prothioconazoles has obvious synergistic effect to watermelon blight in the back Yu hymexazo is mixed; Can improve drug effect; Reduce the using dosage of agricultural chemicals, reduce the medication number of times, reduce drug cost; Reduce the adverse effect of agricultural chemicals, be worth further promoting the use of ecotope.
Table 2, prothioconazoles Yu hymexazo be mixed to the field control effectiveness test result of watermelon blight.
Claims (5)
1. composition pesticide that contains prothioconazoles and hymexazo, it is characterized in that: effective ingredient is prothioconazoles, hymexazo.
2. a kind of composition pesticide that contains prothioconazoles and hymexazo according to claim 1 is characterized in that: the parts by weight ratio of prothioconazoles and hymexazo is 30:1～1:30.
3. according to claim 1 and 2ly a kind ofly contain prothioconazoles with the composition pesticide of hymexazo is characterized in that: prothioconazoles is Yu the percentage by weight of weight summation in composition pesticide of hymexazo is 1%～50%.
4. according to claim 1ly a kind ofly contain prothioconazoles with the composition pesticide of hymexazo is characterized in that: described composition pesticide is processed into suspending agent or wetting powder.
5. according to claim 1ly a kind ofly contain prothioconazoles with the composition pesticide of hymexazo is characterized in that being used to prevent and treat watermelon blight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| 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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| CN102669114A true CN102669114A (en) | 2012-09-19 |
| CN102669114B CN102669114B (en) | 2015-12-16 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104621153A (en) * | 2013-11-15 | 2015-05-20 | 南京华洲药业有限公司 | Sterilization composition containing prothioconazole 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 |
| JPWO2020203963A1 (en) * | 2019-04-05 | 2021-11-04 | 三井化学アグロ株式会社 | Agricultural chemical composition with enhanced efficacy |
Citations (3)
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| 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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2012
- 2012-04-23 CN CN201210119926.3A patent/CN102669114B/en active Active
Patent Citations (3)
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| 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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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104621153A (en) * | 2013-11-15 | 2015-05-20 | 南京华洲药业有限公司 | Sterilization composition containing prothioconazole and propamocarb and application thereof |
| 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 |
| JPWO2020203963A1 (en) * | 2019-04-05 | 2021-11-04 | 三井化学アグロ株式会社 | Agricultural chemical composition with enhanced efficacy |
| EP3954215A4 (en) * | 2019-04-05 | 2023-01-04 | Mitsui Chemicals Agro, Inc. | Agrochemical composition with strengthened efficacy |
| JP7443339B2 (en) | 2019-04-05 | 2024-03-05 | 三井化学クロップ＆ライフソリューション株式会社 | Pesticide compositions with enhanced efficacy |
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| CN102669114B (en) | 2015-12-16 |
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