CN101543216A - Bactericidal composition containing cyprodinil and propiconazole - Google Patents
Bactericidal composition containing cyprodinil and propiconazole Download PDFInfo
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- CN101543216A CN101543216A CN200910020862A CN200910020862A CN101543216A CN 101543216 A CN101543216 A CN 101543216A CN 200910020862 A CN200910020862 A CN 200910020862A CN 200910020862 A CN200910020862 A CN 200910020862A CN 101543216 A CN101543216 A CN 101543216A
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- propiconazole
- cyprodinil
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- powdery mildew
- bactericidal
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Abstract
The invention relates to a composition having bactericidal function. The active components comprise cyprodinil and propiconazole, wherein the weight percentage of the cyprodinil and the propiconazole is 1:10 to 10:1. The bactericidal composition has obvious synergized function when the cyprodinil and the propiconazole are compounded, is used for preventing and curing leaf spot of banana, wheat powdery mildew and rice sheath blight disease, and especially has remarkable preventing and curing effect to the wheat powdery mildew.
Description
Technical field:
The present invention relates to a kind of bactericidal composition and uses thereof, being specifically related to a kind of is the microbicide compositions of main active with cyprodinil and propiconazole.
Background technology:
Cyprodinil belongs to the aminopyrimidine bactericide, has protection, therapeutic action, its blade penetrate and root in absorption very strong, can do foliar spray or seed treatment, also can do big wheat seeds clothing agent medication, foliar spray dosage is 150～750g (a.i.)/hm
2,Seed treatment dosage is 5g (a.i.)/100kg seed.Mainly anthracnose, gray mold, powdery mildew and the scab to fruit tree, vegetables has good control and therapeutic action.
Propiconazole is a kind of the have protection and interior absorption triazole bactericidal agent of therapeutic action, can be absorbed by root, stem, leaf portion, and can be very fast in the plant body on conduct.Be used to prevent and treat the caused disease of sac fungi, basidiomycetes and imperfect fungus, particularly to root rotof flax, powdery mildew, sigatoka, rice sheath blight disease have the better prevention effect, but invalid to the oomycetes disease.
In the real process of agricultural production, preventing and treating the problem that disease is easy to generate most is the drug-fast generation of germ.Important anthracnose on the agricultural often takes place in process of crop growth because its spread speed is fast, and parasitic scope is wide, is easy to generate resistance especially.When control crops resistance disease, being the usage amount that strengthens medicine on the one hand at present, is that the medicine with multiple heterogeneity carries out composite control on the one hand, and the pesticide resistance while that has so both delayed disease has also been reduced the control cost.
The composition of different cultivars carries out composite, is to prevent and treat the most common and one of the effective method the most of resistance disease.Heterogeneity is carried out composite, according to the effect of practical application judge certain composite be synergy, add and or antagonism.Compound synergic is good prescription, owing to obviously improved actual control efficiency, reduced the usage amount of agricultural chemicals, thereby delayed the generation of disease drug resistance greatly, and be the important means of integrated control disease.
At present composite for cyprodinil and propiconazole also not have the report of being correlated with so far.
Summary of the invention:
The purpose of this invention is to provide a kind of microbicide compositions that contains cyprodinil and propiconazole with synergistic function.
In order to realize purpose of the present invention, active ingredient of the present invention is made up of cyprodinil and propiconazole, and cyprodinil and propiconazole percentage by weight are 1:10～10:1, wherein contain cyprodinil 1%～60%, propiconazole 1%～40%.
Bactericidal composition effective active component content of the present invention is 1%～80%.
The bactericidal composition that contains cyprodinil and propiconazole of the present invention is made suspending agent, microemulsion, aqueous emulsion with conventional insecticides adjuvant preparation method routinely.
When making suspending agent, the present composition comprises following component: cyprodinil 1%～60%, propiconazole 1%～40%, emulsifier 1%～4%, dispersant 1%～10%, antifreezing agent 1%～5%, thickener 0.1%～2%, water surplus.
When making microemulsion, the present composition comprises following group component composition: cyprodinil 1%～60%, propiconazole 1%～40%, solvent 1%～25%, emulsifier 10%～20%, antifreezing agent 1%～5%, defoamer 0.1%～0.5%, water surplus.
When making aqueous emulsion, the present composition comprises following group component composition: cyprodinil 1%～60%, propiconazole 1%～40%, solvent 1%～25%, emulsifier 1%～10%, antifreezing agent 1%～5%, thickener 0.1%～2%, defoamer 0.1%～0.5%, water surplus.
Bactericidal composition of the present invention is used to prevent and treat sigatoka, wheat powdery mildew, rice sheath blight disease, and is especially outstanding at the wheat powdery mildew control efficiency.
The bactericidal composition that contains cyprodinil and propiconazole of the present invention, compare with single product, characteristics with binary bactericidal composition, preventive effect height, lasting period are long, delay the drug-fast generation of germ, reduced dosage and access times, saved cost, easy to use, saving of work and time, and minimizing is to the pollution of environment.
Embodiment
The invention will be further described below in conjunction with embodiment, but concrete application of the present invention is not limited to this.
Embodiment 1 cyprodinil and propiconazole are mixed to the wheat powdery mildew Toxicity Determination
The wheat powdery mildew inhibitory action is carried out indoor measurement.Measure and adopt growth rate method, earlier each proportioning is made into 5 series concentration gradients.5 proportionings are carried out synergism test by the synergy test method.Calculate the mixture of 5 proportionings and the IC of 2 single agent
50Value is calculated co-toxicity coefficient, judges whether to have synergistic effect.Criterion is that co-toxicity coefficient significantly shows that greater than 120 synergistic effect is arranged; If significantly be lower than 80, and the virulence of using medicament with is significantly less than the highest virulence in single agent, then shows to have antagonism; If show it is addition near 100.The cyprodinil that is obtained, propiconazole proportioning are to virulence regression equation and the co-toxicity coefficient result such as the table 1 of wheat powdery mildew:
Table 1 cyprodinil and propiconazole are mixed to the wheat powdery mildew Toxicity Determination
| Reagent agent | Active ingredient proportioning (wt) | Virulence regression equation (y=a+bx) | Co-toxicity coefficient CTC |
| Cyprodinil | —— | y＝5.2612+1.0600x | —— |
| Propiconazole | —— | y＝4.9236+1.3867x | —— |
| Cyprodinil: propiconazole | 1：2 | y＝5.2833+1.1007x | 120.7 |
| Cyprodinil: propiconazole | 2：2 | y＝5.3223+1.0340x | 152.3 |
| Cyprodinil: propiconazole | 3：2 | y＝5.3201+1.0018x | 168.1 |
| Cyprodinil: propiconazole | 4：2 | y＝5.3462+1.0517x | 160.5 |
| Cyprodinil: propiconazole | 5：2 | y＝5.3849+0.9887x | 136.2 |
As can be seen from Table 1, cyprodinil and propiconazole compound carry out toxicity test to wheat powdery mildew, are respectively 120.7,152.3,168.1,160.5,136.2 with 1:2,2:2,3:2,4:2, co-toxicity coefficient when the 5:2 example is used with.In the five assembly ratio, its co-toxicity coefficient shows as synergistic effect all greater than 120.Cyprodinil wherein: outside propiconazole=1:2, the co-toxicity coefficient of all the other each proportionings all significantly greater than 120, shows obvious synergistic effect.When cyprodinil: during propiconazole=3:2, co-toxicity coefficient is the highest, can be used as the best proportioning of product.
Embodiment 2 40% cyprodinil propiconazole suspending agents
Cyprodinil 25g, propiconazole 15g, phenyl phenol polyoxy ethyl ether phosphate 5g, ethylene glycol 5g, polycarboxylate 4g, xanthans 0.1g, aluminium-magnesium silicate 0.8g, Sodium Benzoate 0.1g, water surplus.Make 40% cyprodinil propiconazole suspending agent finished product according to a conventional method.By 1000 times of dilutions control to sigatoka, contrasted in 7 days behind the medicine, its correcting controling effect is 83.93%～87.35%, and the control efficiency of banana freckle is reached more than 80%.And 1000 times of liquid of 50% cyprodinil water dispersible granules and 30% propiconazole suspending agent dilution to the control of sigatoka after 7 days preventive effect be respectively 60.44%～65.72% and 52.63%～60.18%.
Embodiment 3 30% cyprodinil propiconazole microemulsions
Cyprodinil 17g, propiconazole 13g, alkyl benzene calcium sulfonate 5g, phenyl phenol polyoxy ethyl ether 5g, polyoxyethylene nonylphenol ether phosphate 5g, N-Methyl pyrrolidone 20g, propane diols 4g, organic silicone 0.1g, water surplus are made 30% cyprodinil propiconazole microemulsion finished product according to a conventional method.1000 times of liquid controls of said composition dilution wheat powdery mildew, 7 days control efficiency are 80.25%～88.95% behind the medicine.And 7 days control efficiency are respectively 72.31～76.74% and 67.21%～72.85% behind 1000 times of liquid of 50% cyprodinil water-dispersible grain dilution agent and 800 times of liquid controls of the 20% propiconazole microemulsion dilution wheat powdery mildew medicine.
Embodiment 4 40% cyprodinil propiconazole emusion in water
Cyprodinil 22g, propiconazole 18g, N-Methyl pyrrolidone 10g, N, N dimethyl formamide 10g, phenyl phenol polyoxy ethyl ether phosphate 8g, ethylene glycol 4g, xanthans 0.1g, aluminium-magnesium silicate 0.8g, organic silicone 0.1g, water surplus.Make 40% cyprodinil propiconazole emusion in water according to a conventional method.1200 times of liquid of said composition dilution are to the control of rice sheath blight disease, and 7 days control efficiency are 87.25%～94.57% behind the medicine.The preventive effect that 50% cyprodinil water dispersible granules and 1200 times of liquid of 25% propiconazole emulsifiable concentrate dilution are used in the same way to rice sheath blight disease is respectively 65.72%～70.28% and 53.16%～59.45%.
Embodiment 5 30% cyprodinil propiconazole suspending agents
Cyprodinil 15g, propiconazole 15g, phenyl phenol polyoxy ethyl ether phosphate 3g, triethanolamine salt 5g, castor oil polyoxyethylene ether 3g, neopelex 5g, ethylene glycol 5g, polyvinyl alcohol 0.5g, organic silicone 0.1g, water surplus.Above-mentioned formulation material is produced routinely the production technology of suspending agent and made 30% cyprodinil propiconazole suspending agent.
The weight proportion of cyprodinil and propiconazole can change between 1:10～10:1 (routine 3:27,10:20,20:10,27:3) in the present embodiment, but the total content of the two is 30%, makes new embodiment.
Embodiment 6 25% cyprodinil propiconazole microemulsions
Cyprodinil 15g, propiconazole 10g, benzyl dimethyl phenol polyoxy ethyl ether 8g, alkylphenol-formaldehyde resin polyoxy ethyl ether 7g, N-Methyl pyrrolidone 15g, ethylene glycol 5g, organic silicone 0.1g, water surplus are made 25% cyprodinil propiconazole microemulsion finished product according to a conventional method.
The weight proportion of cyprodinil and propiconazole can change between 1:10～10:1 (routine 3:22,10:15,20:5,22:3) in the present embodiment, but the total content of the two is 25%, makes new embodiment.
Embodiment 7 20% cyprodinil propiconazole emusion in water
Cyprodinil 12g, propiconazole 8g, N, N dimethyl pyrrolidone 15g, polyoxyethylene nonylphenol ether phosphate 3g, alkyl benzene calcium sulfonate 4g, ethylene glycol 5g, xanthans 0.1g, aluminium-magnesium silicate 0.8g, organic silicone 0.1g, water surplus.
The weight proportion of cyprodinil and propiconazole can change between 1:10～10:1 (routine 2:18,10:10,15:5,18:2) in the present embodiment, but the total content of the two is 20%, makes new embodiment.
In sum, cyprodinil and propiconazole compound have enlarged fungicidal spectrum, control to wheat powdery mildew, sigatoka, rice sheath blight disease has obvious role in synergism, and reduced the use of organic solvent, to the producer, transporter, user's safety, to the target crop safety, environmental pollution is little, therefore, R﹠D and promotion of the present invention has crucial meaning.
Claims (4)
1, the present invention relates to a kind of microbicide compositions, composition active ingredient is made up of cyprodinil and propiconazole, and wherein cyprodinil is than being 1:10～10:1 with the percentage by weight of propiconazole.
2, bactericidal composition according to claim 1 is characterized in that composition contains cyprodinil 1%～60%, propiconazole 1%～40%.
3, bactericidal composition according to claim 1 is characterized in that composition effective active component content is 1%～80%.
4, according to claim 1 or 3 described bactericidal compositions, it is characterized in that: present composition active ingredient adds the conventional pesticide auxiliary agent and filler is made suspending agent, microemulsion, aqueous emulsion.
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| CN200910020862A CN101543216A (en) | 2009-01-09 | 2009-01-09 | Bactericidal composition containing cyprodinil and propiconazole |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101971851A (en) * | 2010-11-30 | 2011-02-16 | 陕西美邦农药有限公司 | Sterilizing composition containing cyprodinil and iprodione |
| CN103563960A (en) * | 2012-08-10 | 2014-02-12 | 陕西美邦农药有限公司 | Fungicidal composition |
-
2009
- 2009-01-09 CN CN200910020862A patent/CN101543216A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101971851A (en) * | 2010-11-30 | 2011-02-16 | 陕西美邦农药有限公司 | Sterilizing composition containing cyprodinil and iprodione |
| CN101971851B (en) * | 2010-11-30 | 2013-07-24 | 陕西美邦农药有限公司 | Sterilizing composition containing cyprodinil and iprodione |
| CN103563960A (en) * | 2012-08-10 | 2014-02-12 | 陕西美邦农药有限公司 | Fungicidal composition |
| CN103563960B (en) * | 2012-08-10 | 2015-10-28 | 陕西美邦农药有限公司 | A kind of bactericidal composition |
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Application publication date: 20090930 |