CN110495458A - A kind of bactericidal composition containing three octyl benzene sulfonate of coumoxystrobin and biguanides - Google Patents
A kind of bactericidal composition containing three octyl benzene sulfonate of coumoxystrobin and biguanides Download PDFInfo
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- CN110495458A CN110495458A CN201810484250.5A CN201810484250A CN110495458A CN 110495458 A CN110495458 A CN 110495458A CN 201810484250 A CN201810484250 A CN 201810484250A CN 110495458 A CN110495458 A CN 110495458A
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- biguanides
- coumoxystrobin
- benzene sulfonate
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/14—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
- A01N43/16—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the ring hetero atom
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/40—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having a double or triple bond to nitrogen, e.g. cyanates, cyanamides
- A01N47/42—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having a double or triple bond to nitrogen, e.g. cyanates, cyanamides containing —N=CX2 groups, e.g. isothiourea
- A01N47/44—Guanidine; Derivatives thereof
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- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of bactericidal compositions containing three octyl benzene sulfonate of coumoxystrobin and biguanides, it includes the effective component being made of coumoxystrobin and three octyl benzene sulfonate of biguanides, the composition includes the effective component being made of coumoxystrobin and three octyl benzene sulfonate of biguanides, and the mass ratio of three octyl benzene sulfonate of coumoxystrobin and biguanides is 20:1~1:20.It is wherein added with suitable agricultural bactericidal agent aid, common disinfectant use in agriculture dosage form is made.The present invention has a higher control efficiency to crop fungal disease, and there are notable synergistic effects between two medicaments；Dosage can be reduced, ecological disruption and environmental pollution is effectively reduced, and crop yield and quality can be improved；Coumoxystrobin and three octyl benzene sulfonate of biguanides belong to low toxicity in the present invention, and to people and animals, beneficial organism, Environmental security；Germ can be delayed to the drug resistance of single medicament.
Description
Technical field
The invention belongs to disinfectant use in agriculture fields, and in particular to a kind of coumoxystrobin and three octyl benzene sulfonate of biguanides
Bactericidal composition.
Background technique
Fusarium graminearum (Fusarium graminearum) can discharge largely having a moderate climate, moisten rainy area
Spore, spread after jan flowering wheat infects pistil, and then on wheatear, cause the underproduction of wheat, meanwhile, by sickle
The toxin such as deoxynivalenol that knife bacterium generates are difficult to clear up, can longer-term persistence in animal and plant body, may finally pass
The human body for leading food chain terminal generates threat to human health.In addition, in recent years with the change of tillage method, small
Under wheat-soybean crop rotation cropping pattern, sickle-like bacteria can equally infect soybean and cause root rot, and becoming of aggravating year by year is presented in disease
Gesture.In addition, on soy, by Rhizoctonia solani Kuhn ( Rhizoctonia solani) caused by soybean damping-off be soybean seedling
One of Major Diseases, seriously affect the yield of soybean.Currently, there are no the resistance product of completely anti-wheat scab in the market
Kind, so, the use of chemical pesticide is still relied primarily in production to the prevention and treatment of wheat scab, and to big caused by sickle-like bacteria
Beans root rot and miliary damping-off lack targetedly prevention and control medicament.Therefore, how to delay wheat scab to a greater extent
Drug resistance generates and development, extends the service life of each component in bactericidal composition, while developing root rot and founding withered silk
The effective prevention and control medicament and dosage form of core disease realize economic, efficient, environmental protection, sustainable prevention and control, it has also become wheat and Soybean production
In strategic project urgently to be resolved.
Coumoxystrobin (Coumoxystrobin) belongs to methoxy acrylic bactericide, and chemical name is (E) -2- (2-
(- 4 methyl-coumarin -7- base oxygroup of 3- normal-butyl) aminomethyl phenyl) -3- methoxy-methyl acrylate.96% raw medicine appearance is cream
White or pale yellow powder；109-111 DEG C of fusing point；It is soluble in acetone, ethyl acetate, methanol, dimethylformamide, is slightly soluble in stone
Oily ether, is insoluble in water.It is not easily decomposed under normal temperature condition.
Coumoxystrobin acts on the compound III of the electron transport chain of fungal mitochondria, by inhibit cytochrome b and c it
Between electron transmission and ATP synthesis, inhibit energy synthesis, play bacteriostasis.Wide sterilization spectrum, to melon fruits and vegetables, fruit tree frost
Mildew, late blight, scab, anthracnose, leaf mold are effective；Simultaneously to ring spot, anthracnose, cotton wilt, rice pestilence
Disease, banded sclerotial blight, root rotof flax, corn southern leaf blight are also effective.But due to methoxy acrylic bactericide action site compared with
To be single, there are certain resistance risks., in order to delay or overcome the formation and development of pathogen drug resistance, avoid continuous
It is single to use cyanogen alkene bacterium vinegar, should with other kinds of fungicide rotation or be used in mixed way.
Three octyl benzene sulfonate biguanides of biguanides, three octyl benzene sulfonate (Iminoctadine trialbesilate)
Belong to biguanides fungicide, chemical name 1 ', 1- imino group (octyl methylene) biguanides three (alkyl benzene sulfonate).It is main logical
The lipoid biosynthesis for inhibiting germ is crossed, thus inhibit spore germination, germ tube elongation, the formation of attachment spore and mycelia,
Three octyl benzene sulfonate of biguanides is a kind of wide-spectrum bactericide, and local permeability is strong, can prevent powdery mildew, gray mold, climing
Blight and alternaria leaf spot of apple, citrus storage phase disease.
Summary of the invention
It is good that the present invention provides a kind of bactericidal effects, significant to the control efficiency of wheat scab, soybean miliary damping-off
The composition of synergy.
The technical solution of the present invention is as follows:
A kind of bactericidal composition containing three octyl benzene sulfonate of coumoxystrobin and biguanides, it is characterised in that: the composition includes
The effective component being made of coumoxystrobin and three octyl benzene sulfonate of biguanides, three octyl benzene of the coumoxystrobin and biguanides
The mass ratio of sulfonate is 20:1~1:20.
The bactericidal composition of three octyl benzene sulfonate of coumoxystrobin according to claim 1 and biguanides, feature
Be: the mass ratio of three octyl benzene sulfonate of the coumoxystrobin and biguanides is 5:1~1:5.
Bactericidal composition according to claim 3 containing three octyl benzene sulfonate of coumoxystrobin and biguanides, it is special
Sign is: the dosage form dosage form is suspending agent, wettable powder, micro-capsule suspension, water-dispersible granules, thermal fog or suspension
Seed coat agent.The auxiliary agent that can choose has solvent, surfactant, emulsifier, wetting agent, dispersing agent, thickener, defoaming agent, prevents
Freeze each analog assistants such as agent, stabilizer, disintegrating agent, filler.
The present composition has prevention and treatment effect well for various crops diseases such as wheat scab, soybean miliary damping-offs
Fruit.
Remarkable result and advantage of the invention is:
Two classes are had to the fungicide of different structure type and discrepant mechanism of action, it is upper easy-to-use to be processed into production
Preparation, bioactivity is high, and total dosage decline on unit area, times for spraying reduces, reduces dispenser cost, delay cause of disease
Object drug resistance generates and development, extends the service life of each component in bactericidal composition, good to crop safety, to realize
Goal of the invention economic, efficiently, environmentally friendly.
Application of the bactericidal composition in prevention and treatment crop fungal disease.
Careful analysis is done to the sterilization idiocratic of three octyl benzene sulfonate of coumoxystrobin and biguanides.Coumoxystrobin is measured first
With the EC of three octyl benzene sulfonate of biguanides, two single compound (hereinafter referred to as medicament)50(drug safety index), according to two
The EC of single medicament50The portfolio ratio of two medicaments is set by Wadley method, and according to Wadley coefficient of synergism SR value.
Test objective object be cause wheat scab Fusarium graminearum (Fusarium graminearum), it is caused big
Beans damping-off Rhizoctonia solani Kuhn ( Rhizoctonia solani), but not limited to this.Take three octyl benzene of coumoxystrobin and biguanides
Sulfonate is configured to need medical fluid plate, about 15 ml of every ware.It is straight that 5mm is produced in the punch of preculture colony edge sterilizing
The mycelia block of diameter, moves on to respectively on different culture medium plate, 25 DEG C of cultures.Test uses mycelia growth measurement method, by not existing together
Reason production pastille culture medium produces the mycelia block of 5mm diameter in the punch of preculture colony edge sterilizing, moves on to contain respectively
On the different culture medium flat plate of dose, colony diameter is measured using crossing method, is measured colony diameter (mm), by following equation
Calculate growth inhibition ratio:
Mycelial growth inhibition rate %=(1- chemicals treatment colony diameter -5/ compares colony diameter -5) × 100%
Mycelial growth inhibition rate is converted into and inhibits probit value (y), drug concentration is converted into log concentration (x), by log concentration
It is that ordinate makees toxicity regression straight line for abscissa, probit value, acquires three octyl benzene sulfonate single dose of coumoxystrobin and biguanides
And its mixture is to the virulence regression equation of germ, and calculates EC50Value and correlation coefficient r value.
The interaction of mixture is evaluated according to Wadley method, calculation formula is as follows:
EC50(theoretical value)=(a+b)/(a/EC50a+ b/EC50B),
SR = EC50(theoretical value)/EC50(actual value).
Wherein a, b are each component content ratios in mixture, with the effect of SR value analysis mixture.SR≤0.5, then two kinds of medicines
Agent mixture has antagonism；SR=0.5~1.5, then two kinds of medicament mixtures have addition；SR >=1.5, then two kinds of medicaments are mixed
Equipped with synergistic effect.
Table 1, coumoxystrobin and three octyl benzene sulfonate single dose of biguanides and its mixture are to Fusarium graminearum toxicity test knot
Fruit
As can be seen from the above table, the coumoxystrobin of different proportion and three octyl benzene sulfonate composition of biguanides are to Fusarium graminearum
Fungistatic effect it is different, on the whole, ratio has synergistic effect in the range of 20:1 to 1:20, wherein in 1:1
Synergy is more significant in the range of to 1:5.
Table 2, coumoxystrobin and three octyl benzene sulfonate single dose of biguanides and its mixture survey soybean Rhizoctonia solani Kuhn virulence
Determine result
As can be seen from the above table, the coumoxystrobin of different proportion and three octyl benzene sulfonate composition of biguanides found withered silk to soybean
The fungistatic effect of pyrenomycetes is different, and on the whole, ratio has synergistic effect in the range of 20:1 to 1:20, wherein
Synergy is more significant in the range of 5:1 to 1:5.
Indoor synergy measurement result shows the present invention to fungoids such as wheat scab, soybean Fusariums
Disease has a higher growth inhibitory effect, and there are notable synergistic effects between two components；Two components compound according to a certain percentage can
Dosage is reduced, ecological disruption and environmental pollution is effectively reduced, and crop yield and quality can be improved；Coumoxystrobin in the present invention
Belong to low toxicity with three octyl benzene sulfonate of biguanides, and to people and animals, beneficial organism, Environmental security；It can delay germ pair
The drug resistance of single medicament.
Specific embodiment
Below with reference to embodiment, the invention will be further described, but essence of the invention is not limited to following embodiments.
Embodiment 1
The preparation of 30% coumoxystrobin biguanides, three octyl benzene sulfonate suspending agent, by mass percentage.
Coumoxystrobin 15%, three octyl benzene sulfonate 15% of biguanides, calcium lignosulfonate 6%, alkylphenol-polyethenoxy base phosphorus
Acid esters 4%, xanthan gum 0.1%, organic silicon defoamer 0.3%, water surplus.
Preparation method: according to formula, the above component being weighed in proportion, and ball mill ball milling 30min is added, and is filtered, and is pumped into
It is fully ground after dispersion tank high speed shear 3min through sand mill, solid component particle diameter is controlled within 2 μm, after grinding
It stirs evenly to get suspending agent product.
Embodiment 2
The preparation of 40% coumoxystrobin biguanides, three octyl benzene sulfonate thermal fog, by mass percentage.
Coumoxystrobin 20%, three octyl benzene sulfonate 20% of biguanides, No. 2 aromatic naphtha 20%, castor oil polyoxyethylene ether 4%,
Sodium dodecyl benzenylsulfonate 2%, xanthan gum 0.1%, urea 3%, propylene glycol 1%, attapulgite Ultramicro-powder 2%, dimethyl silicone polymer
0.1%, water surplus.
Preparation method: coumoxystrobin, three octyl benzene sulfonate of biguanides, No. 2 aromatic naphtha are added in modulation kettle, temperature control
System at 60 DEG C, be stirred and dissolved into oil mutually keep the temperature it is spare；By castor oil polyoxyethylene ether, sodium dodecyl benzenylsulfonate, xanthan gum, urine
Element, propylene glycol, attapulgite Ultramicro-powder, dimethyl silicone polymer, water etc. are added in modulation kettle, and temperature controls the stirring at 60 DEG C
It is spare to be dissolved into water phase heat preservation；The oil of preparation is mutually introduced into the water phase reserve liquid of preparation under the revolving speed of 3000 rpm, to
Oil mutually add continue stir 30 min after, with low speed 200rpm stir 1h, filtering remove residue to get thermal fog product.It uses
When sufficiently shake up, be blended into the smoke agents such as suitable diesel oil and crop prevented and treated.
Embodiment 3
The preparation of 50% coumoxystrobin biguanides, three octyl benzene sulfonate missible oil, by mass percentage.
Coumoxystrobin 25%, three octyl benzene sulfonate 25% of biguanides, dimethylbenzene 20%, DMF 2%, anhydrous calcium salt 5%,
Tween (80) 5%, carbon tetrachloride surplus.
Preparation method: active component coumoxystrobin is sufficiently dissolved in dimethylbenzene reaction kettle, A liquid is made；By active group
Point three octyl benzene sulfonate of biguanides sufficiently dissolves in carbon tetrachloride and DMF reaction kettle, and B liquid is made, is keeping stirring state
It is lower that A liquid is mixed into B liquid, it stirs, anhydrous calcium salt and Tween 80 is added, then adjust content with solvent carbon tetrachloride.
Embodiment 4
The preparation of 30% coumoxystrobin biguanides, three octyl benzene sulfonate wettable powder, by mass percentage.
Coumoxystrobin 5%, three octyl benzene sulfonate 25% of biguanides, sodium dodecyl benzenylsulfonate 2%, sodium lignin sulfonate 4%,
White carbon black 7%, kaolin surplus/2, attapulgite surplus/2.
Preparation method: mixing machine is added by formula rate in the above component and carries out air-flow crushing after mixing, has been crushed
It is stirred at the rear a small amount of purified water of addition, wettable powder product can be obtained after drying.
Embodiment 5
The preparation of 50% coumoxystrobin biguanides, three octyl benzene sulfonate water dispersible granules, by mass percentage.
Active component coumoxystrobin 25%, three octyl benzene sulfonate 25% of active component biguanides, sodium lignin sulfonate 6% gather
Vinyl alcohol 4%, ammonium sulfate 8%, white carbon black 10%, kaolin surplus.
Preparation method: mixing machine is added by formula rate in the above component and carries out air-flow crushing after mixing, has been crushed
It is stirred at the rear a small amount of purified water of addition, extrusion granulation can obtain water dispersible granules product after drying.
Embodiment 6
The preparation of 20% coumoxystrobin biguanides, three octyl benzene sulfonate suspension seed-coating agent, by mass percentage.
Coumoxystrobin 10%, three octyl benzene sulfonate 10% of biguanides, fulvic acid 2%, aliphatic acid polyethenoxy ether phosphate
3%, polyvinyl acetate 3%, acid scarlet 0.01%, xanthan gum 0.2%, Kathon CG 0.3%, ethylene glycol 5%, water surplus.
Preparation method: according to formula, the above component being weighed in proportion, and ball mill ball milling 60min is added, and is filtered, and is pumped into
It is fully ground after dispersion tank high speed shear 3min through sand mill, solid component particle diameter is controlled within 2 μm, after grinding
It stirs evenly to get suspension seed-coating agent product.
Embodiment 7
The preparation of 18% coumoxystrobin biguanides, three octyl benzene sulfonate microcapsule suspension seed-coating agent, by mass percentage.
Coumoxystrobin 3%, three octyl benzene sulfonate 15% of biguanides, dimethylformamide 2%, diphenylmethane diisocyanate
Ester 3%, fatty acid amide N methyl taurine salt 2%, ethylenediamine 0.5%, 1,3-PD 1.2%, sodium methylene bis-naphthalene sulfonate 2%, silicon
Sour magnalium 3.2%, gum arabic 2%, polyvinyl alcohol 2%, polyacrylate 2.5%, permanent bordeaux 4%, water surplus.
Preparation method: by medicament dissolution in solvent, diphenylmethane diisocyanate vinegar is added and is uniformly mixing to obtain oily phase；
Emulsifier is added in water, adjuvant is uniformly mixing to obtain water phase；Water phase is added in oily phase, high speed homogenizing formation oil-in-water cream
Liquid；Under the conditions of 450rpm speed, ethylenediamine is added and participates in interface polymerization reaction, reaction temperature rises to 55 DEG C, and 3h is kept to be solidified into
Capsule；Be added di-2-ethylhexylphosphine oxide tea sodium sulfonate, aluminium-magnesium silicate, permanent bordeaux, polyvinyl alcohol and polyacrylate, stir evenly be made it is micro-
Capsule suspension seed-coating agent.
The experiment of wheat scab field efficacy.
Comparison medicament selects 20% coumoxystrobin suspending agent (comparison medicament 1), and 40% biguanides, three octyl benzene sulfonate is wettable
Property pulvis (comparison medicament 2).It tests in being carried out in wheat paddock, is administered for the first time in wheat flowering initial stage, after 3-5 days for the second time
Application, carried out Disease investigation after 20 days.It the results are shown in Table 4
Control effect of 4 coumoxystrobin biguanides of table, the three octyl benzene sulfonate to wheat scab
Field experiment the result shows that, the tool of the compounded combination of three octyl benzene sulfonate of coumoxystrobin biguanides to wheat scab
There is preferable imitation, compared with single dose, whole control effect synergistic effect is obvious.According to field investigation, in test dose range
Interior, plant growth is normal, has no that plant generates drug damage and abnormal phenomena, to wheat safety.
Soya seeds are coated the experiment of prevention and control root rot field efficacy.
Experiment carries out seed pelleting processing using suspension seed-coating agent, and normal mechanical is broadcast after the beans kind after coating is dried in the shade naturally
Kind, with after planting 30 days progress Disease investigations.Prevention and treatment the results are shown in Table 5.
Control effect of 5 coumoxystrobin biguanides of table, the three octyl benzene sulfonate to soybean reaping hook root rot
Field experiment the result shows that, three octyl benzene sulfonate of coumoxystrobin biguanides is formed by suspension seed-coating agent to sickle-like bacteria
Caused root rot has preferable imitation, and emergence rate dramatically increases, and whole control effect effect is obvious.According to field tune
It looks into, within the range of experimental dose, plant growth is normal, has no that plant generates drug damage and abnormal phenomena, to soybean safety.
The above list is only a few specific embodiments of the present invention for finally, it should also be noted that.Obviously, this hair
It is bright to be not limited to above embodiments, there can also be many variations.Those skilled in the art can be from disclosed by the invention interior same
All deformations for directly exporting or associating, are considered protection scope of the present invention.
Claims (3)
1. a kind of bactericidal composition containing three octyl benzene sulfonate of coumoxystrobin and biguanides, it is characterised in that: the composition packet
Include the effective component being made of coumoxystrobin and three octyl benzene sulfonate of biguanides, three octyl of the coumoxystrobin and biguanides
The mass ratio of benzene sulfonate is 20:1~1:20.
2. the bactericidal composition of three octyl benzene sulfonate of coumoxystrobin according to claim 1 and biguanides, feature exist
In: the mass ratio of three octyl benzene sulfonate of the coumoxystrobin and biguanides is 5:1~1:5.
3. the bactericidal composition according to claim 1 containing three octyl benzene sulfonate of coumoxystrobin and biguanides, feature
Be: the dosage form dosage form be suspending agent, missible oil, wettable powder, micro-capsule suspension, water-dispersible granules, thermal fog or
Suspension seed-coating agent.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103229777A (en) * | 2013-05-08 | 2013-08-07 | 陕西农心作物科技有限公司 | Pyraclostrobin-containing sterilization composition |
| CN108294041A (en) * | 2018-04-01 | 2018-07-20 | 安徽嘉联生物科技有限公司 | A kind of bactericidal composition containing three octyl benzene sulfonate and benzothiostrobin of biguanides |
-
2018
- 2018-05-19 CN CN201810484250.5A patent/CN110495458A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103229777A (en) * | 2013-05-08 | 2013-08-07 | 陕西农心作物科技有限公司 | Pyraclostrobin-containing sterilization composition |
| CN108294041A (en) * | 2018-04-01 | 2018-07-20 | 安徽嘉联生物科技有限公司 | A kind of bactericidal composition containing three octyl benzene sulfonate and benzothiostrobin of biguanides |
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