CN101690484A - Suspending agent compounded by dimethomorph and cyazofamid as well as preparation method thereof - Google Patents
Suspending agent compounded by dimethomorph and cyazofamid as well as preparation method thereof Download PDFInfo
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- CN101690484A CN101690484A CN 200910023668 CN200910023668A CN101690484A CN 101690484 A CN101690484 A CN 101690484A CN 200910023668 CN200910023668 CN 200910023668 CN 200910023668 A CN200910023668 A CN 200910023668A CN 101690484 A CN101690484 A CN 101690484A
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- frost azoles
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Abstract
The invention relates to a suspending agent compounded by dimethomorph and cyazofamid as well as a preparation method thereof. The suspending agent contains bulk drugs of dimethomorph and cyazofamid, in terms of weight, under the condition that the content of dimethomorph is 97% and that of cyazofamid is 96%, dimethomorph accounts for 0.1-40%, cyazofamid accounts for 0.1-40%, and the balance is assistants; the assistants comprise 0.1-5% of defoaming agent, 0.5-20% of wetting and dispersing agent, 0.1-5% of antifreeze agent, 0.1-5% of thickening agent, 0.1-4% of pH value regulating agent, 0.01-10% of stabilizing agent, and 0.1-5% of penetrant. And ionized water is added to fill the balance until 100%. The preparation method is: (1) adding wetting and dispersing agent, pH value regulating agent, penetrant, defoaming agent, stabilizing agent and antifreeze agent into de-ionized water in proportion, dispersing and evenly stirring; (2) adding raw powder of dimethomorph and cyazofamid in (1), and continuing stirring evenly; (3) sand grinding with so that the gain diameter of dimethomorph and cyazofamid can reach a figure lower than 2.5 mu m (98%); and (4) adding thickening agent, and stirring evenly to finish preparation.
Description
Technical field
The present invention relates to suspending agent of a kind of bactericide compounded agricultural chemicals and preparation method thereof, specifically the preparation method of dimethomorph and cyanogen frost azole suspending agent.
Technical background
The modern formulations of pesticide develop to directions such as water baseization, ultramicronising, no dust and sustained release, and wherein water baseization is exactly one of main direction of agricultural chemicals development.Water can reduce even develop to directions such as water baseization, ultramicronising, no dust and sustained release for the formulations of pesticide as the suspending agent of main carrier, it is without organic solvent, the dust pollution that does not have wetting powder and pulvis to bring again, and reduced the pesticide producing cost, become formulation very important in the pesticidal preparations.
Dimethomorph is comparatively ideal high-efficiency broad spectrum morpholine series bactericidal agent, and to the Oomycete on grape, potato and the tomato, especially Peronosporaceae and Phytophthora bacterium have higher sterilizing power, are used to prevent and treat ecchynosis mildew and potato late blight etc.Characteristics such as it is few to have consumption, and the lasting period is long, and is safe in utilization.
Cyanogen frost azoles is to belong to the sulphaguanidine azoles fungicide.Plasmodiophora brassica bacteria to Oomycete fungi such as phytophthora, downy mildew, false downy mildew, pythium spp and Plasmodiophoromycetes has very high biologically active.Its mechanism of action is: mitochondrial cytochrome b c in the blocking-up Oomycete germ body
1The electronics transmission of complex comes the supply of interfering energy, and its binding site is the Q of enzyme
1The center does not have cross tolerance with other bactericide.It may be owing to the sensitivity difference of target enzyme to medicament causes that its height to pathogen is selected activity.Use in the field has high control efficiency to late blight and downy mildew, and using dosage as handling potato late blight with the concentration of 50～100mg/L outstanding control efficiency is arranged, and the medication phase is flexible, the lasting period is long than low 2～38 times of other bactericide.Downy mildew with same concentration processing grape, cucumber, muskmelon also has fabulous control efficiency.This medicament can prolong the plant growth time, and increasing both production and income.Be used for tomato the effect that improves quality is arranged.Access times are no more than 4 times, and using method is a foliar spray.Under the concentration of treatment that exceeds 4 times of actual amount, do not see the poisoning report.Just at the expanding prevention object, comprise pimento eqpidemic disease, ground rot of water melon, the sick downy mildew of Da Bai, onion downy mildew and other diseases at present.
The present domestic 10% cyanogen frost azole suspending agent that has only is protective fungicide aspect preparation; Dimethomorph then has wetting powder, water dispersible granules etc., is systemic fungicide.
Summary of the invention
The objective of the invention is significantly to improve drug effect, a kind of the two composite suspending agent and preparation method thereof is provided in order to overcome the drug-fast shortcoming that single agent uses dimethomorph and cyanogen frost azoles to be brought.
The present invention is achieved through the following technical solutions:
The primary raw material that the present invention contains is dimethomorph and cyanogen frost azoles, by weight: dimethomorph 0.1%-40%, cyanogen frost azoles 0.1%-40%.The former medicine content of dimethomorph is 97%, and the former medicine content of cyanogen frost azoles is 96%.All the other are auxiliary agents.
Said auxiliary agent comprises wetting dispersing agent, pH value conditioning agent, bleeding agent, defoamer, stabilizing agent, antifreezing agent, and the adding deionized water is supplied surplus.By weight, the content of each auxiliary agent is:
Defoamer 0.1%-5%; Wetting dispersing agent 0.5%-20%;
Antifreezing agent 0.1%-5%; Thickener 0.1%-5%;
PH value conditioning agent 0.1%-4%; Stabilizing agent 0.01%-10%;
Bleeding agent 0.1%-5%;
Deionized water is supplied surplus to 100%.
Said wetting dispersing agent is one or more in the following component: calcium lignosulfonate, sodium lignin sulfonate, lauryl alcohol polyethylene glycol oxide base ether sodium sulfate, alkyl is formaldehyde condensation products sulfonate how, lauryl sodium sulfate, neopelex, alkyl polyoxyethylene ether sulfonate, alkylphenol-polyethenoxy base ether formaldehyde condensation products, alkylphenol-polyethenoxy base ether Nonyl pheno base ether, polyoxyethylene polyoxypropylene base ether block copolymers, draw back powder, the dodecyl polyoxyethylene ether phosphate, the alkyl naphthalene formaldehyde condensate sulfonates, poly-second carboxylic esters sodium salt, starch, gelatin alkyl acid polyethenoxy ether sulphonate, CMC and polyoxyethylene alcohol;
Said thickener is one or more in the following component: xanthans, pectin, gum Arabic, polyvinyl alcohol, methylcellulose, heteroglycan, synthetic hydrated silicon acid, sodium alginate, acrylic acid series polymeric compounds and aluminium-magnesium silicate;
In the following component of said stabilizing agent one or more are: pyrogallol, BHT, BHA, citric acid, epoxidized soybean oil, linseed oil, eugenol, castor oil, olive oil, hydroquinones, salicylic acid, sodium sorbate, butyl glycidyl ether, phenyl glycidyl ether, cresyl glycidyl ether, polyethylene glycol diglycidyl ether, bisnaphthol, a naphthols and soluble starch;
Said bleeding agent is one or more in the following component: fast T, JFC, Laurocapram;
Said antifreezing agent is one or more in the following component: ethylene glycol, propane diols, glycerine, polyethylene glycol, sorbierite;
Said defoamer is one or more in the following component: silicone oil, silicone, C
10-20Saturated fat acids, C
8-10Aliphatic alcohols;
Said pH value conditioning agent is one or more in the following component: glacial acetic acid, hydrochloric acid, phosphoric acid, citric acid, sodium hydroxide and ammoniacal liquor.
Preparation method of the present invention is:
(1) wetting dispersing agent, pH value conditioning agent, bleeding agent, defoamer, stabilizing agent, antifreezing agent are proportionally joined in the deionized water, disperse and stir;
(2) in above-mentioned (1), add the former powder of dimethomorph and cyanogen frost azoles, continue to stir;
(3) sand milling makes the particle diameter of dimethomorph and cyanogen frost azoles reach (98%) below 2.5 microns;
(4) add thickener, stir.
The invention provides a kind of efficient, low toxicity, pollution-free, the suspending agent of dimethomorph that environment, people, animal safety and insect are difficult for developing immunity to drugs and cyanogen frost azoles, said preparation is with water to replace organic solvent, physics peptizaiton by high shear dispersion machine and bedroom sand mill, with dimethomorph and cyanogen frost azoles with the particle size dispersion below 2.5 microns in water, form milky suspension formulation.Technology of the present invention is simple, and production cost is low.
The technical indicator of product of the present invention is:
The project indicator
Dimethomorph content 0.1%-40%
Cyanogen frost azoles content 0.1%-40%
Particle diameter (98%) 0.1-2 micron
Suspensibility 〉=95%
PH value 5-8
Heat storage stability (54 ± 2 ℃, 14 days)
Dimethomorph resolution ratio≤1%
Cyanogen frost azoles resolution ratio≤1.5%
The present invention has following advantage:
1. the flash-point height does not burn and does not explode, and produces storage and safe in utilization;
2. there is not dust, low in the pollution of the environment to the producer and user and Environmental security;
3. with water matrix, aboundresources, product cost is low, easily packing;
4. after the said preparation spraying, be distributed in crop surface with fine particle and also be penetrated into very soon in the plant corpus, can well play protection and bactericidal effect.
Embodiment
Further specify technology contents of the present invention below by five embodiment, but content of the present invention is not limited thereto.Among following each embodiment, the former medicine content of dimethomorph is 97%, and the former medicine content of cyanogen frost azoles is 96%.
Embodiment 1. preparations 40.1% dimethomorph cyanogen frost azole suspending agent.Each constituent content is by weight:
Dimethomorph 0.1%; Cyanogen frost azoles 40%,
Defoamer 0.1%; Wetting dispersing agent 20%;
Antifreezing agent 0.1%; Thickener 5%;
PH value conditioning agent 0.1%; Stabilizing agent 10%;
Bleeding agent 0.1%;
Add people's deionized water and supply surplus to 100%.
The preparation method of present embodiment is: proportionally join wetting dispersing agent, pH value conditioning agent, bleeding agent, defoamer, stabilizing agent, antifreezing agent in the deionized water, disperse and stir with the high dispersive clipper, adding the former powder of dimethomorph and cyanogen frost azoles, entered the horizontal sand mill sand milling after continuing to stir 2.5 hours, make the particle diameter of dimethomorph and cyanogen frost azoles reach 2.5 microns (98%) following scopes, add thickener at last and stir.
The preparation process of following examples is identical therewith or approximate.
Embodiment 2. preparations 40.1% dimethomorph cyanogen frost azole suspending agent.Each constituent content is by weight:
Dimethomorph 40%; Cyanogen frost azoles 0.1%,
Defoamer 5%; Wetting dispersing agent 0.5%%;
Antifreezing agent 5%; Thickener 0.1%;
PH value conditioning agent 4%; Stabilizing agent 0.01%;
Bleeding agent 5%;
Deionized water is supplied surplus to 100%.
The preparation method of present embodiment is: proportionally join wetting dispersing agent, pH value conditioning agent, bleeding agent, defoamer, stabilizing agent, antifreezing agent in the deionized water, disperse and stir with the high dispersive clipper, adding the former powder of dimethomorph and cyanogen frost azoles, entered the horizontal sand mill sand milling after continuing to stir 4.5 hours, make the particle diameter of dimethomorph and cyanogen frost azoles reach 2.5 microns (98%) following scopes, add thickener at last and stir.
Embodiment 3. preparations 50% dimethomorph cyanogen frost azole suspending agent.Each constituent content is by weight:
Dimethomorph 30%, cyanogen frost azoles 20%;
Defoamer 3%; Wetting dispersing agent 10;
Antifreezing agent 2%; Thickener 2;
PH value conditioning agent 2; Stabilizing agent 5%;
Bleeding agent 3%;
Deionized water is supplied surplus to 100%.
The preparation method of present embodiment is: proportionally join wetting dispersing agent, pH value conditioning agent, bleeding agent, defoamer, stabilizing agent, antifreezing agent in the deionized water, disperse and stir with the high dispersive clipper, adding the former powder of dimethomorph and cyanogen frost azoles, entered the horizontal sand mill sand milling after continuing to stir 3 hours, make the particle diameter of dimethomorph and cyanogen frost azoles reach 2.5 microns (98%) following scopes, add thickener at last and stir.
Embodiment 4. preparations 40% dimethomorph cyanogen frost azole suspending agent.Each constituent content is by weight:
Dimethomorph 10%, cyanogen frost azoles 30%,
Defoamer 2%; Wetting dispersing agent 15%;
Antifreezing agent 3%; Thickener 2%;
PH value conditioning agent 2%; Stabilizing agent 5%;
Bleeding agent 3%;
Add people's deionized water and supply surplus to 100%.
The preparation method of present embodiment is with embodiment 1.
Embodiment 5. preparations 0.2% dimethomorph cyanogen frost azole suspending agent.Each constituent content is by weight:
Dimethomorph 0.1%; Cyanogen frost azoles 0.1%;
Defoamer 2%; Wetting dispersing agent 4%;
Antifreezing agent 5%; Thickener 5%;
PH value conditioning agent 4%; Stabilizing agent 10%;
Bleeding agent 3%;
Add people's deionized water and supply surplus to 100%.
The preparation method of present embodiment is with embodiment 2.
More than the dimethomorph of each embodiment and the composite suspending agent of cyanogen frost azoles, and the preparation method of utilizing the composite suspending agent of the dimethomorph of above embodiment and cyanogen frost the azoles dimethomorph and the composite concentration gradient sample of cyanogen frost azoles that configure, carry out indoor Toxicological testing respectively with dimethomorph, the single separately agent of cyanogen frost azoles, measurement result is compared as follows:
From five embodiment of integral body and the composite low sample of the concentration indoor Toxicological testing result with single agent, dimethomorph all will be got well than its single-dose effect separately with the preventive effect fungistatic effect of the complex preparation of the white azoles of cyanogen.Dimethomorph and cyanogen frost azoles are when proportioning is between 1: 3～3: 1, to downy mildew of garpe and storage period the litchi fruits peronospora tabacina have obvious synergistic effect, the fungistatic effect after 14 days is all more than 75%, especially between 1: 2～2: 1, synergistic effect is more obvious, and preventive effect is all more than 80%.
Embodiment is to the Toxicity Determination result of downy mildew of garpe bacterium
| Handle object | Suppressed effect % 3 days | Suppressed effect % 7 days | Suppressed effect % 14 days |
| Dimethomorph | ??78.44 | ??69.21 | ??54.96 |
| Cyanogen frost azoles | ??82.37 | ??76.58 | ??65.59 |
| 0.1 part of dimethomorph: 40 parts of cyanogen frost azoles | ??82.46 | ??76.71 | ??65.63 |
| 10 parts of dimethomorphs: 40 parts of cyanogen frost azoles | ??93.79 | ??84.30 | ??74.86 |
| 10 parts of dimethomorphs: 30 parts of cyanogen frost azoles | ??95.24 | ??88.38 | ??79.33 |
| 10 parts of dimethomorphs: 20 parts of cyanogen frost azoles | ??97.88 | ??91.93 | ??84.50 |
| 10 parts of dimethomorphs: 10 parts of cyanogen frost azoles | ??99.22 | ??94.71 | ??86.45 |
| 20 parts of dimethomorphs: 10 parts of cyanogen frost azoles | ??96.13 | ??91.58 | ??83.22 |
| 30 parts of dimethomorphs: 10 parts of cyanogen frost azoles | ??93.81 | ??87.11 | ??78.73 |
| 40 parts of dimethomorphs: 10 parts of cyanogen frost azoles | ??90.07 | ??83.37 | ??73.56 |
| 40 parts of dimethomorphs: 0.1 part of cyanogen frost azoles | ????78.87 | ????69.56 | ????55.33 |
Embodiment is to the Toxicity Determination result of storage period litchi fruits peronospora tabacina bacterium
| Handle object | Suppressed effect % 3 days | Suppressed effect % 7 days | Suppressed effect % 14 days |
| Dimethomorph | ??75.45 | ??66.22 | ??51.91 |
| Cyanogen frost azoles | ??79.50 | ??71.63 | ??62.73 |
| 0.1 part of dimethomorph: 40 parts of cyanogen frost azoles | ??79.37 | ??71.57 | ??62.59 |
| 10 parts of dimethomorphs: 40 parts of cyanogen frost azoles | ??90.76 | ??80.30 | ??71.83 |
| 10 parts of dimethomorphs: 30 parts of cyanogen frost azoles | ??92.21 | ??85.38 | ??76.33 |
| 10 parts of dimethomorphs: 20 parts of cyanogen frost azoles | ??94.86 | ??88.90 | ??81.50 |
| 10 parts of dimethomorphs: 10 parts of cyanogen frost azoles | ??96.20 | ??91.71 | ??83.45 |
| Handle object | Suppressed effect % 3 days | Suppressed effect % 7 days | Suppressed effect % 14 days |
| 20 parts of dimethomorphs: 10 parts of cyanogen frost azoles | ??93.23 | ??87.58 | ??80.22 |
| 30 parts of dimethomorphs: 10 parts of cyanogen frost azoles | ??90.81 | ??84.15 | ??75.93 |
| 40 parts of dimethomorphs: 10 parts of cyanogen frost azoles | ??87.17 | ??80.37 | ??70.56 |
| 40 parts of dimethomorphs: 0.1 part of cyanogen frost azoles | ??75.75 | ??66.36 | ??52.11 |
Claims (9)
1. the suspending agent of dimethomorph and cyanogen frost azoles, it is characterized in that: contain the former medicine of former medicine of dimethomorph and cyanogen frost azoles, by weight, be 97% at dimethomorph content, cyanogen frost azoles content is under 96% the situation, dimethomorph accounts for 0.1%-40%, cyanogen frost azoles accounts for 0.1%-40%, and all the other are auxiliary agents, and auxiliary agent and content thereof are:
Defoamer 0.1%-5%; Wetting dispersing agent 0.5%-20%;
Antifreezing agent 0.1%-5%; Thickener 0.1%-5%;
PH value conditioning agent 0.1%-4%; Stabilizing agent 0.01%-10%;
Bleeding agent 0.1%-5%.
Add ionized water and supply surplus to 100%.
2. according to the preparation method of the suspending agent of the described a kind of dimethomorph of claim 1 and cyanogen frost azoles, it is characterized in that:
(1) wetting dispersing agent, pH value conditioning agent, bleeding agent, defoamer, stabilizing agent, antifreezing agent are proportionally joined in the deionized water, disperse and stir;
(2) in above-mentioned (1), add the former powder of dimethomorph and cyanogen frost azoles, continue to stir;
(3) sand milling reaches below 2.5 microns the particle diameter of dimethomorph and cyanogen frost azoles;
(4) add thickener, stir.
3. the suspending agent of dimethomorph according to claim 1 and cyanogen frost azoles, it is characterized in that said wetting dispersing agent is one or more in the following component: calcium lignosulfonate, sodium lignin sulfonate, lauryl alcohol polyethylene glycol oxide base ether sodium sulfate, alkyl is formaldehyde condensation products sulfonate how, lauryl sodium sulfate, neopelex, alkyl polyoxyethylene ether sulfonate, alkylphenol-polyethenoxy base ether formaldehyde condensation products, alkylphenol-polyethenoxy base ether Nonyl pheno base ether, polyoxyethylene polyoxypropylene base ether block copolymers, draw back powder, the dodecyl polyoxyethylene ether phosphate, the alkyl naphthalene formaldehyde condensate sulfonates, poly-second carboxylic esters sodium salt, starch, gelatin alkyl acid polyethenoxy ether sulphonate, CMC and polyoxyethylene alcohol.
4. the suspending agent of dimethomorph according to claim 1 and cyanogen frost azoles, it is characterized in that, said thickener is: xanthans, pectin, one or more mixing in gum Arabic, polyvinyl alcohol, methylcellulose, heteroglycan, synthetic hydrated silicon acid, sodium alginate, acrylic acid series polymeric compounds and the aluminium-magnesium silicate.
5. the suspending agent of dimethomorph according to claim 1 and cyanogen frost azoles, it is characterized in that said stabilizing agent is: one or more mixing in pyrogallol, BHT, BHA, citric acid, epoxidized soybean oil, linseed oil, eugenol, castor oil, olive oil, hydroquinones, salicylic acid, sodium sorbate, butyl glycidyl ether, phenyl glycidyl ether, cresyl glycidyl ether, polyethylene glycol diglycidyl ether, bisnaphthol, a naphthols and the soluble starch.
6. the suspending agent of dimethomorph according to claim 1 and cyanogen frost azoles is characterized in that said bleeding agent is: one or more mixing in fast T, JFC, the Laurocapram.
7. the suspending agent of dimethomorph according to claim 1 and cyanogen frost azoles is characterized in that said antifreezing agent is one or more mixing of following component: one or more in ethylene glycol, propane diols, glycerine, polyethylene glycol, the sorbierite;
8. the suspending agent of dimethomorph according to claim 1 and cyanogen frost azoles is characterized in that said defoamer is: silicone oil, silicone, C
10-20Saturated fat acids, C
8-10A kind of in the aliphatic alcohols.
9. the suspending agent of dimethomorph according to claim 1 and cyanogen frost azoles is characterized in that said pH value conditioning agent is: a kind of in glacial acetic acid, hydrochloric acid, phosphoric acid, citric acid, sodium hydroxide and the ammoniacal liquor.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101953349A (en) * | 2010-10-27 | 2011-01-26 | 陕西汤普森生物科技有限公司 | Pyrimorph and cyazofamid-containing bactericidal composition |
| WO2010021404A3 (en) * | 2008-08-19 | 2011-02-17 | Ishihara Sangyo Kaisha, Ltd. | Method for controlling degradation of agricultural chemical active ingredient |
| CN103563948A (en) * | 2013-11-19 | 2014-02-12 | 西安北农华农作物保护有限公司 | Bactericidal composition containing cyazofamid |
| CN108029691A (en) * | 2017-11-20 | 2018-05-15 | 安徽省益农化工有限公司 | Environmentally friendly powder granule of high osmosis and preparation method thereof |
| CN110558322A (en) * | 2019-10-15 | 2019-12-13 | 安徽省益农化工有限公司 | Cyazofamid-dimethomorph suspending agent and processing method thereof |
| CN112021335A (en) * | 2020-09-10 | 2020-12-04 | 重庆大学 | Method for preventing and treating plant oomycete diseases by combining biological pesticide and chemical pesticide |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BRPI0607032A2 (en) * | 2005-04-08 | 2009-08-04 | Syngenta Participations Ag | pesticide mixtures |
| CN100559945C (en) * | 2007-05-25 | 2009-11-18 | 天津市东方农药有限公司 | A kind of microbicide compositions that contains dimethomorph |
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2009
- 2009-08-24 CN CN200910023668.7A patent/CN101690484B/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010021404A3 (en) * | 2008-08-19 | 2011-02-17 | Ishihara Sangyo Kaisha, Ltd. | Method for controlling degradation of agricultural chemical active ingredient |
| CN101953349A (en) * | 2010-10-27 | 2011-01-26 | 陕西汤普森生物科技有限公司 | Pyrimorph and cyazofamid-containing bactericidal composition |
| CN103563948A (en) * | 2013-11-19 | 2014-02-12 | 西安北农华农作物保护有限公司 | Bactericidal composition containing cyazofamid |
| CN103563948B (en) * | 2013-11-19 | 2015-07-22 | 西安北农华农作物保护有限公司 | Bactericidal composition containing cyazofamid |
| CN108029691A (en) * | 2017-11-20 | 2018-05-15 | 安徽省益农化工有限公司 | Environmentally friendly powder granule of high osmosis and preparation method thereof |
| CN110558322A (en) * | 2019-10-15 | 2019-12-13 | 安徽省益农化工有限公司 | Cyazofamid-dimethomorph suspending agent and processing method thereof |
| CN112021335A (en) * | 2020-09-10 | 2020-12-04 | 重庆大学 | Method for preventing and treating plant oomycete diseases by combining biological pesticide and chemical pesticide |
| CN112021335B (en) * | 2020-09-10 | 2022-01-28 | 重庆大学 | Method for preventing and treating plant oomycete diseases by combining biological pesticide and chemical pesticide |
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