CN109042699A - Synergistic bactericidal composition comprising folpet and zineb - Google Patents
Synergistic bactericidal composition comprising folpet and zineb Download PDFInfo
- Publication number
- CN109042699A CN109042699A CN201810796803.0A CN201810796803A CN109042699A CN 109042699 A CN109042699 A CN 109042699A CN 201810796803 A CN201810796803 A CN 201810796803A CN 109042699 A CN109042699 A CN 109042699A
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- Prior art keywords
- folpet
- zineb
- bactericidal composition
- synergistic bactericidal
- synergistic
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- A01N47/02—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 no bond to a nitrogen atom
- A01N47/04—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 no bond to a nitrogen atom containing >N—S—C≡(Hal)3 groups
-
- 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
- A01N47/08—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 one or more single bonds to nitrogen atoms
- A01N47/10—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
- A01N47/12—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing a —O—CO—N< group, or a thio analogue thereof, neither directly attached to a ring nor the nitrogen atom being a member of a heterocyclic ring
- A01N47/14—Di-thio analogues thereof
Abstract
The invention discloses the Synergistic bactericidal compositions comprising folpet and zineb, which is characterized in that the Synergistic bactericidal composition active component includes folpet and zineb, and the weight ratio of folpet and zineb is 1:100~100:1, preferably 1:50~50:1.Synergistic bactericidal composition of the invention can be prepared into the regular dosage forms such as wettable powder, suspending agent, water dispersible granules, missible oil, suspoemulsion, aqueous emulsion, microcapsule suspending agent, dry suspending agent, ultra low volume liquids by customary preparation methods, Synergistic bactericidal composition of the invention shows apparent synergistic function to the prevention and treatment of various crop disease, is particularly suitable for preventing and treating early blight of tomato and leaf spot of peanut.
Description
Technical field
The invention belongs to technical field of pesticide, it is related to the Synergistic bactericidal composition comprising folpet and zineb, further relates to
A method of prevention and treatment plant pathogen.
Background technique
Folpet, adopted name: folpet, chemical name: N- trichloro-methylthio phthalimide, as a kind of touching
Killing property fungicide, can be widely applied to the various crops such as cereal, fruits and vegetables, industrial crops field, and controlling object includes potato evening
Epidemic disease, powdery mildew, leaf rust and leaf spot disease etc..To crop safety, without phytotoxicity under recommended dose.
Zineb is protectiveness organosulfureous fungicide, has stronger inhibition to make the enzyme for containing-SH base in pathogenic bacteria
With, and germ spore can be directly killed, inhibit the germination of spore, prevents to prevent and treat a variety of fungies in germ invaded plants body and draw
The disease risen, it is equal to early blight, late blight, spot blight, leaf mold, leaf spot, anthracnose, gray mold, Phomopisis vexans, downy mildew etc.
There is good control efficiency.
Single chemistry medicine controlling disease is used for a long time, is easy to cause pathogen to develop drug resistance, solves the problems, such as this
Optimal path first is that by the reasonable compounding of product, compound synergic composition can effectively improve drug effect, reduce use cost, together
When be conducive to delay germ drug resistance.The reasonable compounding of pesticide is to solve current single use pesticide to generate resistance and drug cost
A kind of quickly and effectively approach of high problem.
Summary of the invention
The object of the present invention is to provide a kind of bactericidal composition with synergistic function, the bactericidal composition activity
Component includes folpet and zineb.
To achieve the above object, the technical scheme adopted by the invention is that:
Synergistic bactericidal composition comprising folpet and zineb, including active component folpet and zineb, filler
And surfactant, wherein the weight ratio of folpet and zineb is 1:100~100:1.
Further, the weight ratio of the active component folpet and zineb is 1:50~50:1
Further, the weight ratio of the active component folpet and zineb is 1:20~20:1.
Further, weight of the weight summation of folpet and zineb in Synergistic bactericidal composition in the composition
Percentage is 1%~90%.
Further, weight percent of the weight summation of folpet and zineb in bactericidal composition in the composition
Than being 10%~60%.
The Synergistic bactericidal composition can be configured to any agent agriculturally allowed by method well known to pesticide field
Type.The Synergistic bactericidal composition preferred dosage form is wettable powder, suspending agent, water dispersible granules, missible oil, suspoemulsion, water and milk
Agent, microcapsule suspending agent, dry suspending agent, ultra low volume liquids.
Further, in addition to the active ingredient (s further include filler and surfactant in the Synergistic bactericidal composition, fill out
It fills agent and surfactant is agronomically acceptable arbitrary surfaces activating agent or extender.
Further, the surfactant be emulsifier, dispersing agent or wetting agent with ion or non-ionic nature,
Or the mixture of these surfactants.
Further, the filler, which refers to, can be combined or be combined with active constituent to make it easier for being administered to object
The natural or synthetic organic or inorganic compound of (such as plant or careless class).Therefore, the filler is preferably inert, until
It is acceptable to should be agricultural less.The filler can be solid or liquid.
Further, when one of described reactive compound and/or one of inert carrier it is not soluble in water and when
When being applied in water, it is necessary to which there are surfactants.
The surfactant include butyl naphthalene sulfonate, alkylaryl sulfonates, sodium alkylsulfosuccinates, grease,
Fatty alcohol and ethylene oxide condensate, alkyltaurate, polyacrylate, protein hydrolysate, acrylic acid, polyoxyethylene,
Fatty alcohol polyoxyethylene ether, polyoxyethylene alkylaryl ether, polyoxyethylene higher fatty acid esters, polyoxyethylene alcohol or phenol phosphoric acid
One kind or two kinds of ester, alkylaryl sodium sulfonate, naphthalene sulfonic acid polymer, lignosulfonates etc. mixture.
Applicable solid carrier can select in llowing group of materials, such as polyethylene, polypropylene, polyvinylidene chloride, chlorine
Change potassium, calcium carbonate, calcium phosphate, ammonium sulfate, ammonium phosphate, urea, greening ammonium, soy meal, starch, grain dust, kaolin, bentonite,
Acid porcelain, talcum powder class, diatomite, silica sand, mica, calcium silicates, active carbon, float stone, zeolite, firing diatomite, sand etc., these
Substance can be used alone or two or more is mixed.
Applicable liquid-carrier can select in llowing group of materials, for example, benzene,toluene,xylene, solvent naphtha, alkylnaphthalene,
Chlorinated aromatic hydrocarbons, chlorinated aliphatic hydrocarbon, chlorobenzene, amides, sulfone class, mineral and vegetable oil, animal oil, methanol, ethyl alcohol, isopropanol, fourth
Alcohol, ethylene glycol, acetone, methyl ethyl ketone, isobutyrone, cyclohexanone, ether, dioxanes, methylcellulose, tetrahydro furan
It mutters, kerosene, mineral oil etc., these substances can be used alone or two or more is mixed.
The Synergistic bactericidal composition is used to prevent and treat the purposes of fungal diseases of plants, such as tomato blight, leaf spot of peanut, Huang
Melon downy mildew, rice sheath blight disease, the anthracnose of ornamental plant, rust of ornamental plant etc., especially prevention and treatment tomato blight and peanut
The effect of leaf spot is fabulous.
The invention solves the defect existing in the background technology, the present invention have it is following the utility model has the advantages that
1, the active component folpet and zineb are re-dubbed composition, opposite single dose, obvious synergy, from
And the dosage of two compositions is reduced, times for spraying is reduced, and then reduce and generate cost, reduces the threat to environment.
2, the mechanism of action and the mode of action of the active component folpet and zineb are entirely different, increase to target
Action site, expanded prevention spectrum, and can overcome or delay the generation of pathogen drug resistance, and then extend effective component to make
Use the service life；
3, active ingredient components folpet and zineb compounding rationally, can controlled in Synergistic bactericidal composition of the invention
Preferable control efficiency is kept in the case where the cost of medication processed, and to crop safety, is had no adverse effects to beneficial to natural enemy, favorably
In the sustainable development of pesticide.
Specific embodiment
To better describe the present invention, following exemplary embodiment is provided.Content mentioned by embodiment cannot recognize
To be limitation of the invention, the selection of material prescription can be according to the actual situation by other equivalent or replacing with similar purpose
It is replaced for feature.That is, being such as not particularly limited, each feature is a series of equivalent or similar characteristics a example, this
The protection scope of the technical solution of invention is subject to claim and is limited.
One, indoor biological activity assay
1, subjects: early blight of tomato and leaf spot of peanut
2, test method reference standard: " the 4th part of farm-chemical indoor determination test rule fungicide: inhibit cause of disease true
Bacterium mycelia growth test Plating " and " the 6th part of farm-chemical indoor determination test rule fungicide: mixed synergy
Measurement ".
3, to the toxicity measuring method of early blight of tomato: inhibiting method using mycelial growth rate.By reagent agent point
It is not diluted to the mother liquor of series of concentrations gradient, is added in melted PDA culture medium by a certain percentage, sterilizing is poured into after mixing
Culture medium flat plate is made in culture dish.When bacterium colony length to the culture dish proximal edge of strains tested, take device on bacterium colony side with beating for 0.5cm
Edge, which is beaten, takes bacterium colony block, is displaced to above-mentioned culture medium flat plate center, and every ware puts 1 piece of bacterium colony block, and every concentration is repeated 3 times.With addition etc.
The PDA culture medium for measuring sterile water is control, is placed in dark culturing in 23.0 ± 1.5 DEG C of insulating boxs, uses crossing method after 7d
Colony diameter is measured, the inhibiting rate that medicament grows mycelia is calculated, control efficiency is calculated with mycelial growth inhibition rate, by following public affairs
Formula calculates mycelial growth inhibition rate:
4, to the toxicity measuring method of leaf spot of peanut: using bacterium colony growth rate method.On PDA culture dish in advance
Strains tested is cultivated, when bacterium colony length to culture dish 3/4, cuts mycelia block from colony edge with the punch of internal diameter 5mm, as
Inoculum is spare.Reagent agent is diluted to the mother liquor of series of concentrations gradient respectively, that pours by a certain percentage trains equipped with 36mL
In the triangular flask for supporting base, to add equivalent aqua sterilisa for control, after mixing, pours into 3 sterilizes culture dishes, be cooled and contain
Medicine plate.Above-mentioned mycelia ferfas silk is placed in one centre downwards, is cultivated at 25 DEG C, with crossing method survey calculation bacterium after 4d
Average diameter (mm) is fallen, and calculates each processing and inhibits percentage, control efficiency is calculated with percentage.
5, the control efficiency of above-mentioned test being converted into probability value (y), liquor strength (μ g/ml) is converted into logarithm (x),
Concentration EC in virulence equation and inhibition is calculated with least square method50, the toxicity index of medicament is calculated according to Sun Yunpei's Method and total poison is
Number (CTC).
As CTC < 80, then composition shows as antagonism, and as 80 < CTC < 120, then composition shows as being added and make
With as CTC > 120, then composition shows as synergistic effect.
Survey toxicity index (ATI)=(standard agent EC50/ reagent agent EC50)×100
Percentage composition+B the medicament toxicity index of A in theoretical toxicity index (TTI)=A medicament toxicity index × mixture × mixed
The percentage composition co-toxicity coefficient (CTC) of B=[mixture surveys toxicity index (ATI)/mixtures theoretical toxicity index (TTI)] in agent ×
100。
1 folpet of table is with zineb compound preparation to the indoor biological activity assay of early blight of tomato
From the indoor biological activity assay result of upper table 1 it is found that folpet is compounded to early blight of tomato with zineb 1:
Have apparent synergistic function in the ratio range of 50~50:1, co-toxicity coefficient is greater than 130, the two weight ratio be 1:1,7:6,
When 5:8,2:3,1:2,2:5, co-toxicity coefficient is greater than 170, and synergy is more significant, and when the two weight ratio is 2:5, co-toxicity coefficient is up to
190.02, it is most significant to the synergistic effect of early blight of tomato.
2 folpets are with zineb composite preparation to the indoor biological activity assay of leaf spot of peanut
From the indoor biological activity assay result of upper table 2 it is found that folpet is compounded to leaf spot of peanut with zineb 1:
There is apparent synergistic function in the ratio range of 50~50:1, co-toxicity coefficient is greater than 130, when the two weight ratio is 2:3, altogether
Malicious coefficient is up to 199.90, most significant to the synergistic effect of leaf spot of peanut.
Two, example of formulations
Embodiment 1:80% folpet Zineb wettable powder
After above-mentioned formula is pre-mixed in proportion, again through air-flow crushing after being mechanically pulverized, after mixing
Obtain 80% folpet Zineb wettable powder.
Embodiment 2:70%% folpet zineb aqueous emulsion
Above-mentioned material is mixed in proportion, after high shear agitation is uniform, can be prepared by 70%% folpet for gloomy
Zinc aqueous emulsion.
Embodiment 3:65% folpet water dispersion granules agent of dithane
After each component is mixed by above-mentioned formula, after ultra-fine pulverizer disintegrating, be granulated, dried, sieve after sample
Analysis can be prepared by 65% folpet water dispersion granules agent of dithane.
Embodiment 4:52% folpet zineb suspending agent
Above-mentioned auxiliary agent is mixed, is uniformly mixed through high speed shear, folpet and zineb, abrading-ball 2 in ball crusher are added
~3 hours, it is below 5mm a diameter, 52% folpet zineb suspending agent is made.
Embodiment 5:45% folpet Zineb wettable powder
Above-mentioned material is mixed in proportion, after mechanical crushing again through air-flow crushing, after mixing, can be prepared by 45% and go out
Bacterium pellet Zineb wettable powder.
Embodiment 6:36% folpet zineb suspending agent
Above-mentioned auxiliary agent is mixed, is uniformly mixed through high speed shear, folpet and zineb, abrading-ball 2 in ball crusher are added
~3 hours, it is below 5mm a diameter, can be prepared by 7% folpet zineb suspending agent.
Three, field trial
1. folpet is with zineb composite preparation to the field control effectiveness test of early blight of tomato
(1) subjects: early blight of tomato
(2) reagent agent: treatment agent is the combination preparation of embodiment 1-6, and comparison medicament is 50% folpet wettable
Pulvis and 65% Zineb wettable powder, the clear water for spraying isodose is blank control.
(3) test method: test is located at Sanshui District of Foshan City, experimental design totally 20 cells, plot area 10m2, at random
District's groups arrangement, minizone are played ridge and are separated, and each processing respectively sets 4 repetitions.Entire test is administered 3 times altogether, in early blight of tomato
Early stage the 1st time spray, tomato was in and bloomed the phase of bearing fruit at that time, is spaced 7~10d later and carries out the 2nd, 3 spray.Trial zone
Any other fungicide, the insecticide in addition to test medicine are not sprayed in domain
(4) investigation method: initial inquiry: state of an illness radix is investigated before spray for the first time, mid-term investigation: investigation before the 2nd spray
Later period investigation: the state of an illness investigates the state of an illness before the 3rd spray.Last investigation: the 3rd spray result is investigated, every cell is diagonal
5 points of line samplings, every is looked into 2 plants, and the whole blades of every investigation, record investigates total number of sheets, the disease numbers of sheets at different levels.True leaf severity Scaling side
Method is specific as follows:
0 grade: disease-free spot；1 grade: lesion area accounts for entire 5% or less blade area；3 grades: lesion area accounts for entire blade face
Product 6%~10%；5 grades: lesion area accounts for entire blade area 11%~20%；7 grades: lesion area accounts for entire blade area
21%~50%；9 grades: lesion area accounts for entire 50% or more blade area.
(5) drug effect calculation method:
3 folpet of table is with zineb composite preparation to the field control effectiveness test of early blight of tomato
From the field test results of upper table it is found that folpet is compared with zineb is used in compounding to the prevention and treatment of early blight of tomato
Single dose has apparent synergistic function, and synergy is not only the simple superposition of single dose preventive effect when effective component usage amount
When being 1500 grams/ha, preventive effect is up to 86% or more.
2. folpet is with zineb composite preparation to the field control effectiveness test of leaf spot of peanut
(1) subjects: leaf spot of peanut
(2) reagent agent: treatment agent is the combination preparation of embodiment 1-6, and comparison medicament is 40% folpet suspending agent
With 80% Zineb wettable powder, the clear water for spraying isodose is blank control.
(3) test method: the field control effectiveness test method of leaf spot of peanut: flower of the test arrangement in Yongzhou City, Hunan Province is prevented and treated
Heavier, every plot area 30m occurs throughout the year for Radix Rehmanniae, leaf spot of peanut2, 3 repetitions, field leaf spot early stage starts the 1st
Secondary application, hereafter every 7d application is primary, continuous application 3 times.Using -16 type hand sprayer of bodyguard, to water 450kg/hm2,
Front and back sides foliar spray is carried out until medical fluid drips.
(4) investigation method: every cell uses 5 point samplings, 10 plants every, before the 1st application, before the 2nd application, the
Before 3 applications, 10d after the 3rd application, amount to 4 times, take thereon, in, each 3 compound leaves of lower blade, with scab on every single leaf
The classification of blade area percentage is accounted for, is investigated according to international semiarid nine grade standard of institute (ICRISAT) classification, and calculate the state of an illness
Index and preventive effect, test result are shown in Table 4:
Disease index=(Σ (the disease numbers of sheets at different levels × opposite value of series))/(investigation total number of sheets × 9) × 100
Control efficiency (%)=(1- (disease index after disease index × treatment region medicine before the medicine of check plot)/(after the medicine of check plot
Disease index before disease index × treatment region medicine) × 100%
4 folpet of table is with zineb composite preparation to the field control effectiveness test of leaf spot of peanut
As can be seen from Table 4, leaf spot of peanut can be effectively prevented after folpet is compounded with zineb, control efficiency is superior to
Single dose is compareed, in the case where dosage is reduced, control efficiency is greatly enhanced, and effective component usage amount is 850 grams/ha
When, preventive effect is higher than 80%, has no adverse effects in test scope of medication to target crop.
Based on the above description of the preferred embodiments of the present invention, through the above description, related personnel completely can be with
Without departing from the scope of the technological thought of the present invention', various changes and amendments are carried out.The technical scope of this invention
It is not limited to the contents of the specification, it is necessary to determine the technical scope according to the scope of the claims.
Claims (8)
1. including the Synergistic bactericidal composition of folpet and zineb, which is characterized in that the Synergistic bactericidal composition active group
It point include folpet and zineb, the weight ratio of folpet and zineb is 1:100~100:1.
2. the Synergistic bactericidal composition according to claim 1 comprising folpet and zineb, it is characterised in that: the institute
Stating the weight ratio of active component folpet and zineb in Synergistic sterilizing is 1:50~50:1.
3. the Synergistic bactericidal composition according to claim 1 comprising folpet and zineb, it is characterised in that: the increasing
The weight ratio of active component folpet and zineb is 1:20~20:1 in effect sterilization.
4. the Synergistic bactericidal composition according to claim 1 comprising folpet and zineb, it is characterised in that: the increasing
Weight percent of the weight summation of folpet and zineb in Synergistic bactericidal composition is 1%~90% in effect sterilization.
5. it according to claim 1 include the Synergistic bactericidal composition of folpet and zineb described in any one of -4 claims,
It is characterized by: the Synergistic bactericidal composition is prepared into any one dosage form used in suitable agricultural production.
6. the Synergistic bactericidal composition according to claim 5 comprising folpet and zineb, it is characterised in that: institute's dosage form
For wettable powder, suspending agent, water dispersible granules, missible oil, suspoemulsion, aqueous emulsion, microcapsule suspending agent, dry suspending agent, super-low capacity
Measure liquor.
7. according to claim 1 including the Synergistic bactericidal composition of folpet and zineb described in any one of -6 claims
Purposes, which is characterized in that the Synergistic bactericidal composition prevention and treatment corps diseases on purposes.
8. purposes according to claim 7, it is characterised in that: the corps diseases be early blight of tomato, leaf spot of peanut,
The late blight of potato, target, cucumber downy mildew.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810796803.0A CN109042699A (en) | 2018-07-19 | 2018-07-19 | Synergistic bactericidal composition comprising folpet and zineb |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810796803.0A CN109042699A (en) | 2018-07-19 | 2018-07-19 | Synergistic bactericidal composition comprising folpet and zineb |
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| CN109042699A true CN109042699A (en) | 2018-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810796803.0A Pending CN109042699A (en) | 2018-07-19 | 2018-07-19 | Synergistic bactericidal composition comprising folpet and zineb |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1252690A (en) * | 1997-04-18 | 2000-05-10 | 拜尔公司 | Fungicide active substance combinations |
| CN107318868A (en) * | 2017-08-02 | 2017-11-07 | 广东广康生化科技股份有限公司 | Bactericidal composition comprising folpet and benzene metsulfovax |
-
2018
- 2018-07-19 CN CN201810796803.0A patent/CN109042699A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1252690A (en) * | 1997-04-18 | 2000-05-10 | 拜尔公司 | Fungicide active substance combinations |
| CN107318868A (en) * | 2017-08-02 | 2017-11-07 | 广东广康生化科技股份有限公司 | Bactericidal composition comprising folpet and benzene metsulfovax |
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