CN103155936B - Plant disease control composition containing phenazino-1-carboxylic acid - Google Patents
Plant disease control composition containing phenazino-1-carboxylic acid Download PDFInfo
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Abstract
The invention relates to a plant disease control composition containing phenazino-1-carboxylic acid. Effective constituents are the phenazino-1-carboxylic acid (A) and one of thiophanate-methyl, carbendazim, benomyl, thiabendazole and prochloraz (B). The proportion of the constituents (A) and (B) is 50:1-1:50. The composition can be made to a suspending agent, wettable powder, seed coating, emulsion in water, microemulsion, missible oil, granules and water dispersible granule. The composition is used for preventing and treating one or more diseases of cucurbitaceous vegetables, field crops and fruit tree crops.
Description
Technical field
The present invention relates to a kind of control of plant disease composition, especially the composite composition of one (B) in Shen piperazine mycin (A) and thiophanate-methyl, carbendazim, benomyl, probenazole, Prochloraz.
Background technology
High density, high-intensity farming pattern have met the demand of society to agricultural food product, create high economic worth.Under this cropping system, chemical agent is the essential measure of administering day by day serious damage by disease and insect, to ensureing that normal agricultural production brought into play extremely important effect.When noval chemical compound is initial, can show an outstanding effect, but after long-term, single use, tend to progressively lose activity, the resistance that the antibiotics bactericide of especially interior absorption is more easily induced pathogen.
Shen piperazine mycin is the tunning by pseudomonas fluorescens strain M18, main component is phenazine-1-carboxylic acid (phenazine-1-carboxylic acid), and the multiple pathogens such as rice sheath blight disease, the climing rot of cucumber, watermelon blight are had to good inhibitory action.Shen piperazine mycin in Shanghai, the ground such as Hubei, Hainan, Henan, Gansu carried out large-area extend trial, and rice sheath blight disease, alternaria leaf spot of apple, watermelon blight, gummy stem blight of melon etc. are shown to good field efficacy.
At present, Shen piperazine mycin and thiophanate-methyl, carbendazim, benomyl, probenazole, the research of Prochloraz composite usage are not seen in report.
Summary of the invention
The object of the present invention is to provide a kind of control of plant disease composition that contains Shen piperazine mycin and thiophanate-methyl, carbendazim, benomyl, probenazole, Prochloraz.Through test a large amount of, that repeat, surprisingly find Shen piperazine mycin and thiophanate-methyl, carbendazim, benomyl, probenazole, Prochloraz is composite has significant synergies, and good field effect.
Technical scheme of the present invention is:
A kind of control of plant disease composition, is characterized in that its active ingredient is the one (B) in Shen piperazine mycin (A) and thiophanate-methyl, carbendazim, benomyl, probenazole, Prochloraz.
Described composition, is characterized in that in composition, the mass ratio of effective constituents A and B is 50: 1～1: 50, and preferably percentage by weight is 20: 1～1: 50, and better percentage by weight is 10: 1～1: 50.
The molecular formula of described Shen piperazine mycin is C
13h
8n
2o
2, chemical name is phenazine-1-carboxylic acid.
Described active ingredient (B) comprising:
The molecular formula of thiophanate-methyl (English general thiophanate-methyl by name) is C
12h
14n
4o
4s
2, chemical name is 1,2-pair-(3-carbethoxyl group-α-ghiourea group) benzene;
The molecular formula of carbendazim (English general carbendazim by name) is C
9h
9n
3o
2, chemical name is N-(2-benzimidazolyl) methyl carbamate;
The molecular formula of benomyl (English general benomyl by name) is C
14h
18n
4o
3, chemical name is 1-n-butyl amine base formyl-methyl 2-benzimidazolecarbamate;
The molecular formula of probenazole (English general thiabendazole by name) is C
10h
7n
3s, chemical name is α-(4-thiazolyl)-1H-benzimidazole;
The molecular formula of Prochloraz (English general prochloraz by name) is C
15h
16cl
3n
3o
2, chemical name is N-propyl group-N-[α-(2,4,6-Trichlorophenoxy)-1H-imidazoles-1-formamide.
Described composition, is characterized in that active ingredient accounts for 1%～90% of composition total weight.
Described composition, is characterized in that composition can make suspending agent, wetting powder, seed coat agent, aqueous emulsion, microemulsion, missible oil, granule, water dispersible granules through conventional means, and can need to use corresponding solvent, carrier and auxiliary agent according to exploitation.
Suitable solvent, auxiliary agent comprise: as one or more combinations of toluene, dimethylbenzene, carrene, chloroform, paraffin, kerosene, diesel oil, methyl alcohol, ethanol, propyl alcohol, butanols, amylalcohol, cyclohexanol, phenmethylol, cyclohexanone, isophorone, pyrrolidones, ethyl acetate, butyl acetate, ethylene acetate, methyl-sulfoxide etc.
Carrier is as one or more combinations of clay, bentonite, attapulgite, calcium sulphate, precipitated calcium carbonate, sucrose, industrial chitin, silica gel, talcum powder, white carbon, sericite in powder etc.;
Available auxiliary agent comprises phosphoric acid salt, hydrochloric acid salt, lignosulphonates, naphthalenesulfonate, phenolsulfonic acid salt, succinic acid Sulfonates, polystyrene-based phenol polyethenoxy ether sulfate, Pluronic PE 6800, molecular weight is the macromolecular grafted copolymer of 20000-30000, triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether, polystyrene-based phenol polyethenoxy ethers, polyoxyethylene nonylphenol ether class, polystyrene-based polyethenoxy ether class, alkyl naphthalene sulfonic acid salt, fatty alcohol polyethenoxy ether class, dialkyl succinylsuccinate Sulfonates, branched fatty alcohol polyethenoxy ether class, alkyl polyoxyethylene ether class, carboxyl alkyl cellulose class, hydroxy alkyl cellulose class, Magnesiumaluminumsilicate, xanthans, poly-alkyl silicon ethylene oxide, phosphoric acid, glacial acetic acid, citric acid, maleic acid, butylated hydroxy-a alkane, butylated hydroxy anisole, ditert-butylhydro quinone, one or more combinations in n-propyl gallate etc.
Described composition is mainly used in preventing and treating one or more disease of melon dish crop, field crop, fruit tree crop.
Embodiment
The composite usage of compound is one of control measures of administering the disease-resistant problem of damage by disease and insect, and the combination with synergistic effect can improve the control efficiency of medicament significantly, reduces the usage amount of agricultural chemicals.By a large amount of, concrete composite test, any one that find Shen piperazine mycin and thiophanate-methyl, carbendazim, benomyl, probenazole, Prochloraz has significant synergies.The embodiment providing is below for elaborating the present invention, and do not form limiting the scope of the invention.Embodiment experimental technique used, if without specified otherwise, is conventional method; Percentage composition in embodiment, if without specified otherwise, is weight percentage.
Biologicall test example 1: Shen piperazine mycin and thiophanate-methyl, the composite Toxicity Determination to rice sheath blight disease of carbendazim
Subjects: rice sheath blight disease (Rhizoctonia solani), is gathered by field, through indoor separation and purification.
Test method: with reference to " the agricultural industry criteria NY/T1156.5-2006 of the People's Republic of China (PRC) ", adopt Broad Bean Leaves method.Select susceptible broad bean potted plant, clip same area, growing way be consistent, be with petiolate blade, and moisturizing processing, is placed in culture dish.With the former medicine of acetone solution, with 0.1% Tween 80 water dilution, prepare 6 series mass concentration.Blade is fully infiltrated in pre-configured liquid to 5s, drain unnecessary liquid, after natural air drying, have the one side of mycelia to be inoculated in diameter 5mm bacterium cake with inoculator and process blade central authorities, 30 leaves of every processing inoculation, after mark, moisturizing is cultivated.Test is established the not processing containing medicament and is made blank.Depending on blank incidence, measure the length and width (mm) of scab diameter, calculate control efficiency.
Control efficiency (%)=(blank scab diameter-chemicals treatment scab diameter) × 100/ blank scab diameter
Concentration EC50 in suppressing with method of least squares calculating, then calculate co-toxicity coefficient (CTC) according to the abundant method of Sun Yun.As CTC < 80, composition performance is for antagonism, and as 80 < CTC < 120, composition performance is summation action, as CTC > 120, composition performance is synergistic effect.
Actual measurement toxicity index (ATI)=(standard medicament EC50/ reagent agent EC50) × 100
The percentage composition of B in percentage composition+B medicament toxicity index × mixture of A in theoretical toxicity index (TTI)=A medicament toxicity index × mixture
Co-toxicity coefficient (CTC)=[the theoretical toxicity index of mixture actual measurement toxicity index (ATI)/mixture (TTI)] × 100
Toxicity test the results are shown in Table 1,2.
The composite Toxicity Determination result to rice sheath blight disease of table 1 Shen piperazine mycin and thiophanate-methyl
The composite Toxicity Determination result to rice sheath blight disease of table 2 Shen piperazine mycin and carbendazim
| Process | EC50(μg/mL) | ATI | TTI | Co-toxicity coefficient CTC |
| Shen piperazine mycin | 0.99 | 100.00 | / | / |
| Carbendazim | 1.28 | 77.34 | / | / |
| Shen piperazine mycin 50: carbendazim 1 | 0.78 | 126.92 | 99.56 | 127.49 |
| Shen piperazine mycin 30: carbendazim 1 | 0.71 | 139.44 | 99.27 | 140.46 |
| Shen piperazine mycin 20: carbendazim 1 | 0.58 | 170.69 | 98.92 | 172.55 |
| Shen piperazine mycin 10: carbendazim 1 | 0.25 | 396.00 | 97.94 | 404.33 |
| Shen piperazine mycin 1: carbendazim 1 | 0.21 | 471.43 | 88.67 | 531.66 |
| Shen piperazine mycin 1: carbendazim 10 | 0.31 | 319.35 | 79.40 | 402.19 |
| Shen piperazine mycin 1: carbendazim 20 | 0.36 | 275.00 | 78.42 | 350.66 |
| Shen piperazine mycin 1: carbendazim 30 | 0.41 | 241.46 | 78.07 | 309.27 |
| Shen piperazine mycin 1: carbendazim 50 | 0.52 | 190.38 | 77.79 | 244.75 |
Biologicall test example 2: the composite Toxicity Determination to the climing rot of cucumber of Shen piperazine mycin and benomyl
Subjects: the climing rot of cucumber (Cucumis sativus L.), is gathered by field, through indoor separation and purification.
Test method: with reference to " the agricultural industry criteria NY/T1156.2-2006 of the People's Republic of China (PRC) ", mycelial growth rate method.With the former medicine of acetone solution, 0.1% Tween 80 water dilution, is prepared into 6 series mass concentration.Under aseptic condition, get the liquid 5mL configuring and mix with 75mL medium, make 4 pastille flat boards, mix in contrast with medium with equivalent sterile water.Cultured cucumber didymella bryoniae sterilizing card punch with diameter 5mm under aseptic condition is cut to bacterium cake from edge.With inoculator, pure culture biscuits involvng inoculation is dull and stereotyped central in pastille, mycelia faces down, and is placed in 25 DEG C of incubators.Depending on blank growing state investigation result, each bacterium colony is used right-angled intersection method vertical survey diameter respectively once, gets its mean value, calculates mycelial growth inhibition rate.Mycelial growth inhibition rate=(blank bacterium colony increases diameter-chemicals treatment bacterium colony and increases diameter) × 100/ blank bacterium colony increases diameter.
Concentration EC50 in suppressing with method of least squares calculating, then calculate co-toxicity coefficient (CTC) according to the abundant method of Sun Yun.
As CTC < 80, composition performance is for antagonism, and as 80 < CTC < 120, composition performance is summation action, as CTC > 120, composition performance is synergistic effect.
Actual measurement toxicity index (ATI)=(standard medicament EC50/ reagent agent EC50) × 100
The percentage composition of B in percentage composition+B medicament toxicity index × mixture of A in theoretical toxicity index (TTI)=A medicament toxicity index × mixture
Co-toxicity coefficient (CTC)=[the theoretical toxicity index of mixture actual measurement toxicity index (ATI)/mixture (TTI)] × 100
Toxicity test the results are shown in Table 3.
The composite Toxicity Determination result to the climing rot of cucumber of table 3 Shen piperazine mycin and benomyl
| Process | EC50(μg/mL) | ATI | TTI | Co-toxicity coefficient CTC |
| Shen piperazine mycin | 0.63 | 100.00 | / | / |
| Benomyl | 1.17 | 53.85 | / | / |
| Shen piperazine mycin 50: benomyl 1 | 0.51 | 123.53 | 99.10 | 124.66 |
| Shen piperazine mycin 30: benomyl 1 | 0.40 | 157.50 | 98.51 | 159.88 |
| Shen piperazine mycin 20: benomyl 1 | 0.33 | 190.91 | 97.80 | 195.20 |
| Shen piperazine mycin 10: benomyl 1 | 0.21 | 300.00 | 95.80 | 313.14 |
| Shen piperazine mycin 1: benomyl 1 | 0.19 | 331.58 | 76.92 | 431.05 |
| Shen piperazine mycin 1: benomyl 10 | 0.22 | 286.36 | 58.04 | 493.37 |
| Shen piperazine mycin 1: benomyl 20 | 0.31 | 203.23 | 56.04 | 362.62 |
| Shen piperazine mycin 1: benomyl 30 | 0.37 | 170.27 | 55.33 | 307.71 |
| Shen piperazine mycin 1: benomyl 50 | 0.44 | 143.18 | 54.75 | 261.51 |
Biologicall test example 3: Shen piperazine mycin and probenazole, the composite Toxicity Determination to watermelon blight of Prochloraz
Subjects: watermelon blight (Fusarium oxysporum f.sp.Niveum, FON), is gathered by field, through indoor separation and purification.
Test method: with reference to " the agricultural industry criteria NY/T1156.2-2006 of the People's Republic of China (PRC) ", mycelial growth rate method.Test method and statistical method are with biologicall test example 2, and toxicity test the results are shown in Table 4,5.
The composite Toxicity Determination result to watermelon blight of table 4 Shen piperazine mycin and probenazole
The composite Toxicity Determination result to watermelon blight of table 5 Shen piperazine mycin and Prochloraz
Table 1 to table 5 is pointed out, Shen piperazine mycin and thiophanate-methyl, carbendazim, benomyl, probenazole, Prochloraz were proportioning 50: 1～1: 50, there is good synergistic effect, especially between 20: 1～1: 50, embody more obvious synergistic effect, co-toxicity coefficient all, more than 120, has more significant synergy at 10: 1～1: 50, and co-toxicity coefficient is up to more than 200.
Bactericidal composition of the present invention can be prepared into suspending agent, wetting powder, seed coat agent, aqueous emulsion, microemulsion, missible oil, granule, water dispersible granules.Active component Shen piperazine mycin and thiophanate-methyl, carbendazim, benomyl, probenazole, Prochloraz compounded combination in varing proportions in present specification, thiophanate-methyl in single embodiment, carbendazim, benomyl, probenazole, Prochloraz all can substitute mutually, form new embodiment.
Embodiment 1:51% Shen piperazine mycin thiophanate-methyl suspending agent
Shen piperazine mycin 50%, thiophanate-methyl 1%, methyl naphthalene sulfonate formaldehyde condensate 8%, sodium lignosulfonate 15%, xanthans 3%, silicone oil 5%, glycerine 8%, all the other water complement to 100%.Active component, dispersant and thickener are added in sand mill and processed successively in the ratio of formula, then send in mixer for well-distribution, even through shear agitation, make 51% Shen piperazine mycin thiophanate-methyl suspending agent.
This embodiment is applied to and prevents and treats rice sheath blight disease.51% Shen piperazine mycin thiophanate-methyl suspending agent is sprayed by 15 grams/ha of dilutions of active ingredient, every dispenser in 7 days once, dispenser three times continuously, control efficiency is respectively 92.2%.1% Shen piperazine mycin suspending agent, 50% thiophanate-methyl suspending agent are by 20 grams of active ingredient/hectares of active ingredient, 1200 grams/ha of processing in the same way, and the preventive effect after medicine is respectively 80.3%, 72.5%.The composite rear synergistic effect of Shen piperazine mycin and thiophanate-methyl is obvious, and in composition, the consumption of active ingredient, lower than the consumption of single dose, is better than the preventive effect of single dose to the preventive effect of rice sheath blight disease.
Embodiment 2:62% Shen piperazine mycin carbendazol wettable powder
Shen piperazine mycin 60%, carbendazim 2%, pulls open powder 0.5%, lauryl sodium sulfate 2%, white carbon 5%, attapulgite complements to 100%.Each components such as active component, dispersant, wetting agent are mixed in the ratio of formula, after air-flow shatters, obtain 62% Shen piperazine mycin carbendazol wettable powder.
This embodiment is applied to control sclerotinia rot of colza.62% Shen piperazine mycin carbendazol wettable powder is sprayed by 20 grams/ha of thin ups of active ingredient, every dispenser in 7 days once, dispenser three times continuously, the control efficiency after medicine is 91.8%.1% Shen piperazine mycin suspending agent, 50% carbendazol wettable powder are in kind used by 25 grams/ha of active ingredients, 1300 grams/ha respectively, after preventive effect after medicine is respectively 79.6%, 71.1% Shen piperazine mycin and the composite rear synergy of carbendazim, effect obviously, in composition, effective ingredient consumption, lower than the consumption of single dose, is better than the preventive effect of single dose to the preventive effect of sclerotinia rot of colza.
Embodiment 3:42% Shen piperazine mycin benomyl seed coat agent
Shen piperazine mycin 40%, benomyl 2%, methyl naphthalene sulfonate formaldehyde condensate 8%, sodium lignosulfonate 10%, xanthans 3%, sodium carboxymethylcellulose 3%, glycerine 8%, polyvinylpyrrolidone 2%, acid scarlet 0.5%, all the other water complement to 100%.Active component, dispersant and thickener are added in sand mill and processed successively in the ratio of formula, then send in mixer for well-distribution, even through shear agitation, regulate pH value, make 42% Shen piperazine mycin benomyl seed coat agent.
This embodiment is applied to control Fusarium solani.The ratio seed dressing by 2 grams of active ingredients in every double centner seed by 42% Shen piperazine mycin benomyl seed coat agent, the control efficiency after medicine is 82.2%.1% Shen piperazine mycin seed coat agent, the respectively every double centner seed of 50% benomyl wetting powder are dressed seed by the ratio of 1 gram, 20 grams of active ingredients, and the preventive effect after medicine is respectively 71.4%, 63.7%.The composite rear synergistic effect of Shen piperazine mycin and benomyl is obvious, and the consumption of the active ingredient in composition, lower than the consumption of single dose, is better than the preventive effect of single dose to the preventive effect of Fusarium solani.
Embodiment 4:11% Shen piperazine mycin probenazole aqueous emulsion
Shen piperazine mycin 10%, probenazole 1%, 1-METHYLPYRROLIDONE 10%, calcium dodecyl benzene sulfonate 5%, agriculture breast 600#5%, water complements to 100%.Former medicine, solvent, emulsifier are added together, make to be dissolved into even oil phase; Water-soluble component and water mixing are made to water; Under high-speed stirred, oil phase is mixed with water, make 11% Shen piperazine mycin probenazole aqueous emulsion.
This embodiment is applied to control alternaria leaf spot of apple.11% Shen piperazine mycin probenazole aqueous emulsion is sprayed by 20 grams/ha of thin ups of active ingredient, every dispenser in 7 days once, dispenser three times continuously, the control efficiency after medicine is 91.1%.1% Shen piperazine mycin suspending agent, 42% probenazole are in kind used by 25 grams/ha of active ingredients, 1200 grams/ha respectively, and the preventive effect after medicine is respectively 83.2%, 70.5%.The composite rear synergistic effect of Shen piperazine mycin and probenazole is obvious, and the consumption of the active ingredient in composition is lower than the consumption of single dose, the preventive effect to the preventive effect of alternaria leaf spot of apple significantly better than single dose.
Embodiment 5:2% Shen piperazine mycin Prochloraz microemulsion
Shen piperazine mycin 1%, Prochloraz 1%, 1-METHYLPYRROLIDONE 10%, isopropyl alcohol 10%, agriculture breast 500#5%, agriculture breast 1601#5%, water complements to 100%.Former medicine, solvent, emulsifier are added together, make to be dissolved into even oil phase; Water-soluble component and water mixing are made to water; Under high-speed stirred, oil phase is mixed with water, make 2% Shen piperazine mycin Prochloraz microemulsion.
This embodiment is applied to and prevents and treats potato black scurf.2% Shen piperazine mycin Prochloraz microemulsion is sprayed by 30 grams/ha of consumption thin ups of active ingredient, every dispenser in 7 days once, dispenser three times continuously, the control efficiency after medicine is 95.1%.1% Shen piperazine mycin suspending agent, 45% Prochloraz microemulsion are in kind used by 25 grams/ha of active ingredients, 300 grams/ha respectively, and the preventive effect after medicine is respectively 83.1%, 72.1%.After the composite rear synergy of Shen piperazine mycin and Prochloraz, obviously, the consumption of the active ingredient in composition, lower than the consumption of single dose, is better than the preventive effect of single dose to the preventive effect of potato black scurf in effect.
Embodiment 6:22% Shen piperazine mycin methyl sulfur bacterium missible oil
Shen piperazine mycin 2%, thiophanate-methyl 20%, 1-METHYLPYRROLIDONE 8%, agriculture breast 1601#5%, agriculture breast 500#5%, dimethylbenzene complements to 100%.Active component, emulsifier and auxiliary agent are added in mixing kettle successively in the ratio of formula, stir, make 22% Shen piperazine mycin methyl sulfur bacterium missible oil.
This embodiment is applied to the climing rot of control cucumber.22% Shen piperazine mycin methyl sulfur bacterium missible oil is sprayed by 200 grams/ha of consumption thin ups of active ingredient, every dispenser in 7 days once, dispenser three times continuously, the control efficiency after medicine is 97.9%.1% Shen piperazine mycin suspending agent, 50% thiophanate-methyl suspending agent in kind use by 25 grams/ha, 1200 grams/ha of active ingredients respectively, and the preventive effect after medicine is respectively 86.1%, 73.8%.The composite rear synergistic effect of Shen piperazine mycin and thiophanate-methyl is obvious, and the consumption of the active ingredient in composition, lower than the consumption of single dose, is better than the preventive effect of single dose to the preventive effect of the climing rot of cucumber.
Embodiment 7:2.1% Shen piperazine mycin carbendazim aqueous emulsion
Shen piperazine mycin 0.1%, carbendazim 2%, 1-METHYLPYRROLIDONE 3%, calcium dodecyl benzene sulfonate 5%, agriculture breast 600# 3%, water complements to 100%.Former medicine, solvent, emulsifier are added together, make to be dissolved into even oil phase; Water-soluble component and water mixing are made to water; Under high-speed stirred, oil phase is mixed with water, make 2.1% Shen piperazine mycin carbendazim aqueous emulsion.
This embodiment is applied to lawn fusarium wilt.2.1% Shen piperazine mycin carbendazim aqueous emulsion is sprayed by 400 grams/ha of consumption thin ups of active ingredient, every dispenser in 7 days once, dispenser three times continuously, the control efficiency after medicine is 99.6%.1% Shen piperazine mycin suspending agent, 50% carbendazol wettable powder are in kind used by 25 grams/ha of active ingredients, 1200 grams/ha respectively, and the preventive effect after medicine is respectively 84.1%, 70.2%.After the composite rear synergy of Shen piperazine mycin and carbendazim, obviously, the consumption of the active ingredient in composition, lower than the consumption of single dose, is better than the preventive effect of single dose to the preventive effect of lawn fusarium wilt in effect.
Embodiment 8:3.1% Shen piperazine mycin benomyl granule
Shen piperazine mycin 0.1%, benomyl 3%, starch 3%, xylem sodium sulfonate 3%, ammonium lauryl sulfate 0.5%, supplies 100% with slag.Active component, auxiliary agent are mixed in the ratio of formula, and mist projection granulating, with slag absorption, is drying to obtain 3.1% Shen piperazine mycin benomyl granule.
This embodiment is applied to the control watermelon blight in seedling stage.3.1% Shen piperazine mycin benomyl granule is spread fertilizer over the fields in root by 600 grams/ha of consumptions of active ingredient, every dispenser in 7 days once, dispenser three times continuously, control efficiency is respectively 98.8%.1% Shen piperazine mycin suspending agent, 50% benomyl wetting powder water in root by 30 grams/ha of active ingredients, the consumption of 1500 grams/ha respectively, and the preventive effect after medicine is respectively 83.2%, 73.6%.After the composite rear synergy of Shen piperazine mycin and benomyl, obviously, the consumption of the active ingredient in composition, lower than the consumption of single dose, is better than the preventive effect of single dose to the preventive effect of watermelon blight in effect.
Embodiment 9:51% Shen piperazine mycin Prochloraz water dispersible granules
Shen piperazine mycin 1%, Prochloraz 50%, sodium lignin sulfonate 6%, dodecyl sodium sulfate 1%, Magnesiumaluminumsilicate 3%, white carbon 3%, sodium alginate 1%, bentonite supplies 100%.Each components such as active component, dispersant, wetting agent are mixed in the ratio of formula, through air-flow crushing, add 10～30% water, then through kneading, granulation, the dry 51% Shen piperazine mycin Prochloraz water dispersible granules that makes.
This embodiment is applied to control wheat sharp eyespot.51% Shen piperazine mycin Prochloraz water dispersible granules is sprayed by 250 grams/ha of thin ups, every dispenser in 7 days once, dispenser three times continuously, the control efficiency after medicine is 97.4%.1% Shen piperazine mycin suspending agent, 45% prochloraz aqueous emulsion are in kind used by 20 grams/ha, 300 grams/ha respectively, and the preventive effect after medicine is respectively 81.9%, 76.4%.After the composite rear synergy of Shen piperazine mycin and Prochloraz, obviously, the consumption of the active ingredient in composition, lower than the consumption of single dose, is better than the preventive effect of single dose to the preventive effect of wheat sharp eyespot in effect.
Claims (6)
1. a control of plant disease composition, is characterized in that active ingredient is Shen piperazine mycin (A) and carbendazim (B), and active ingredient (A) is 50: 1～1: 50 with mass ratio (B).
2. composition according to claim 1, is characterized in that active ingredient in composition (A) and mass ratio (B) are 20: 1～1: 50.
3. composition according to claim 1, is characterized in that active ingredient in composition (A) and mass ratio (B) are 10: 1～1: 50.
4. according to the composition described in claims 1 to 3 any one, it is characterized in that active ingredient accounts for 1%～90% of composition total weight.
5. composition according to claim 4, is characterized in that said composition can be made into suspending agent, wetting powder, seed coat agent, aqueous emulsion, microemulsion, missible oil, granule, water dispersible granules.
6. composition according to claim 4 is used for the purposes of one or more diseases of preventing and treating melon dish crop, field crop, fruit tree crop.
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