CN106719688A - A kind of bactericidal composition and its application containing pyraziflumid - Google Patents
A kind of bactericidal composition and its application containing pyraziflumid Download PDFInfo
- Publication number
- CN106719688A CN106719688A CN201611117538.6A CN201611117538A CN106719688A CN 106719688 A CN106719688 A CN 106719688A CN 201611117538 A CN201611117538 A CN 201611117538A CN 106719688 A CN106719688 A CN 106719688A
- Authority
- CN
- China
- Prior art keywords
- pyraziflumid
- disease
- composition
- boscalid
- ethirimol
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- 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
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/60—1,4-Diazines; Hydrogenated 1,4-diazines
-
- 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
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
-
- 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
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
Landscapes
- Life Sciences & Earth Sciences (AREA)
- 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)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of bactericidal composition containing pyraziflumid, active ingredient in said composition is A and B, active components A is pyraziflumid, active component B is that, selected from any one in Boscalid, ethirimol or bupirimate, and the mass ratio of active components A and active component B is 50：1~1：50.The present composition can be used to prevent and treat the multiple diseases in vegetables, fruit tree, flowers and other crops, the diseases such as powdery mildew, gray mold, the scab for particularly being caused by higher fungus, have good prevention effect, with wide sterilization spectrum, dosage is low, synergistic effect is obvious the features such as.
Description
Technical field
The present invention relates to a kind of composition pesticide, more particularly to a kind of bactericidal composition containing pyraziflumid and its
Application in crop disease, belongs to technical field of pesticide.
Background technology
Pyraziflumid (test code number NNF-0721) is the SDHI series bactericidal agents of Nihon Nihyaku Co., Ltd's exploitation, right
Powdery mildew, scab, gray mold, sclerotiniose, ring spot on paddy rice, fruits and vegetables etc. have good prevention effect, structure
Formula is as follows：
In actual production, prevention and elimination of disease and pests is easiest to generate the problem that resistance.Different cultivars composition carries out compounding
Prevent and treat the very common method of resistance pest and disease damage.Heterogeneity is compounded, and judges that certain compounding is according to practical application effect
Synergy, addition or antagonism.In most cases, the compounding effect of agricultural chemicals is all summation action, really has synergy to make
Seldom, the particularly particularly apparent compounding of synergistic effect is just less for compounding.
The content of the invention
It is an object of the invention to provide a kind of synergistic effect is obvious, preventing and treating spectrum is wide composition and its application.
To reach goal of the invention, the technical solution adopted by the present invention is：
A kind of bactericidal composition, it is A and active component B that active component is contained in composition, and active components A is
Pyraziflumid, active component B be selected from any one in Boscalid, ethirimol or bupirimate, activity into
The mass ratio for dividing A and active component B is 50：1~1：50, preferred mass ratio is 20：1~1：20.
The present composition is particularly suitable for preventing and treating the disease of crops, and described crops include cereal crops, beans
Crop, oil crops, fibre crops, sugar crop, melon crop, fruits crop, dry fruit crop, root crop, flower
Grass crop, medicinal crop, crop, green manure pasture crop.
Described disease includes：Target spot, canker, blight dis-ease, rust, ring spot, sclerotiniose, smut, full rot,
Root rot, gray mold, damping-off, banded sclerotial blight, bakanae disease, droop, sclerotiniose, poliosis, downy mildew, samping off, brown spot,
Powdery mildew, anthracnose, early blight, leaf mold, leaf spot, scab, tar spot, epidemic disease, base rot disease, verticillium wilt, clubroot.
Etc. various fungal diseases.
Insecticide-applying way can using spraying, pouring root, leaching root, soak seed, get rid of and apply, spread fertilizer over the fields, ditch spread, spreading manuer in holes, preventing and treating soil-borne disease
Preferred ditch spread during evil, spread manuer in holes, the soil treatment such as pouring root or leaching root, seed soaking, seed pelleting are processed.
The compound that the present composition can have weeding, bactericidal property with other is used in mixed way, it is also possible to desinsection
Agent, nematicide, protective agent, growth regulator, nutrient for plants or soil conditioner are used in mixed way.
The present composition compared with the existing technology, can at least produce following beneficial effect：
1. after two kinds of active components are compounded according to the above ratio in composition, with notable synergistic and lasting effect；
2. field dosage and times for spraying can be greatly decreased, production and use cost is reduced, environment is effectively reduced dirty
Dye and residues of pesticides, reduce the harm to beneficial organism；
3. fungicidal spectrum is expanded：To all kinds of true on crops after two kinds of active components is compounded in the ratio in composition
Fungal disease can play a part of it is simultaneous control, and effect is significant；
4. composition is made up of the active ingredient of different mechanism of action, and action site increases, and is conducive to overcoming and delaying disease
The drug-fast generation of bacterium.
Specific embodiment
To make the object, technical solutions and advantages of the present invention become more apparent, with reference to embodiment in the present invention
Appearance is described further, but the present invention is limited to absolutely not these examples.Specific embodiment is only used for explaining the present invention, is not used to limit
The fixed present invention.All any modification, equivalent and improvement made within the spirit and principles in the present invention etc., should be included in
Within protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
The present invention can be prepared into the formulation of suitable agricultural use with known method, and composition can be according to required preventing and treating
The various factors such as crop, local environment condition, prevention and controls, cost accounting, by active ingredient and auxiliary agent and carrier (filler)
Acceptable any one formulation in pesticides application is processed into together, and preferred dosage form is suspension seed-coating agent, granule, micro-capsule hang
Floating agent, microemulsion, aqueous emulsion, suspending agent, wettable powder, water dispersible granules or missible oil.Adjuvant used, carrier and process technology
Using known component.In above-mentioned various formulations, in composition the gross mass percentage composition of effective active composition be 0.5%~
85%, for example, when the weight/mass percentage composition of pyraziflumid and Boscalid is respectively 10%, 10%, gross mass percentage
Content is 20%.
First, preparation processing formulation Example
Embodiment 1：30%pyraziflumid Boscalid suspending agents (pyraziflumid：Boscalid=1：2)
It is made according to common process, wherein pyraziflumid 10g, Boscalid 20g, sodium lignin sulfonate (dispersion
Agent) 4g, lauryl sodium sulfate (wetting agent) 2g, ethylene glycol (antifreeze) 4g, bentonite (thickener) 0.15g, organic silicone
(defoamer) 0.4g, deionized water is mended to 100g.
The part by weight of pyraziflumid and Boscalid can be 20 in the present embodiment：1~1：Change between 20, two
The weight/mass percentage composition of person can change between 5%~80%, be also adjusted accordingly therewith using the proportioning of auxiliary agent, form new
Embodiment.
Boscalid can also be substituted for ethirimol or bupirimate forms new embodiment.
Embodiment 2：38%pyraziflumid Boscalid water dispersible granules (pyraziflumid：Boscalid=
1：1)
It is made according to common process, wherein pyraziflumid 19g, Boscalid 19g, Negel (dispersion
Agent) 5g, sodium lignin sulfonate (dispersant) 7g, lauryl sodium sulfate (wetting agent) 2g, ammonium sulfate (disintegrant) 5g, lightweight carbon
Sour calcium (filler) complements to 100g.
The part by weight of pyraziflumid and Boscalid can be 50 in the present embodiment：1~1：Change between 50, two
The weight/mass percentage composition of person can change between 1%~85%, be also adjusted accordingly therewith using the proportioning of auxiliary agent, form new
Embodiment.
Boscalid can also be substituted for ethirimol or bupirimate forms new embodiment.
Embodiment 3：42%pyraziflumid ethirimol wettable powders (pyraziflumid：Ethirimol=1：20)
It is made according to common process, wherein pyraziflumid 2g, ethirimol 40g, lauryl sodium sulfate (wetting agent)
2g, sodium lignin sulfonate (dispersant) 3g, NNO (dispersant) 5g, kaolin complements to 100g.
The part by weight of pyraziflumid and ethirimol can be 20 in the present embodiment：1~1：Change between 20, both
Weight/mass percentage composition can change between 1%~85%, be also adjusted accordingly therewith using the proportioning of auxiliary agent, formed it is new
Embodiment.
Ethirimol can also be substituted for Boscalid or bupirimate forms new embodiment.
Embodiment 4：12%pyraziflumid ethirimol microemulsions (pyraziflumid：Ethirimol=5：1)
It is made according to common process, wherein pyraziflumid 10g, ethirimol 2g, 1-METHYLPYRROLIDONE (solvent)
10g, isopropanol (solvent) 5g, No. 500 (emulsifying agent) 5g of agriculture breast, No. 1601 (emulsifying agent) 5g of agriculture breast, deionized water are complemented to
100g。
The part by weight of pyraziflumid and ethirimol can be 20 in the present embodiment：1~1：Change between 20, both
Weight/mass percentage composition can change between 1%~30%, be also adjusted accordingly therewith using the proportioning of auxiliary agent, formed it is new
Embodiment.
Ethirimol can also be substituted for Boscalid or bupirimate forms new embodiment.
Embodiment 5：11%pyraziflumid bupirimate microcapsule suspending agents (pyraziflumid：Ethirimol
Sulphonic acid ester=1：10)
It is made according to common process, wherein pyraziflumid 1g, bupirimate 10g, cyclohexanone (solvent) 1g,
Polyisocyanates (curing agent) 0.4g, ethylene glycol (antifreezing agent) 0.4g, Arabic gum (thickener) 1g, deionized water is complemented to
100g。
The part by weight of pyraziflumid and bupirimate can be 20 in the present embodiment：1~1：20 anaplasia
Change, both weight/mass percentage compositions can be changed between 1%~60%, are also adjusted accordingly therewith using the proportioning of auxiliary agent,
Form new embodiment.
Bupirimate can also be substituted for Boscalid or ethirimol forms new embodiment.
Embodiment 6：22%pyraziflumid Boscalid aqueous emulsions (pyraziflumid：Boscalid=10：1)
It is made according to common process, wherein pyraziflumid 20g, Boscalid 2g, calcium dodecyl benzene sulfonate (breast
Agent) 2.1g, phenethyl phenol polyethenoxy ether (emulsifying agent) 1.5g, cyclohexanone (solvent) 10.1g, loose base ester vegetable oil (solvent)
10.2g, xanthans (thickener) 0.5g, deionized water complements to 100g.
The part by weight of pyraziflumid and Boscalid can be 20 in the present embodiment：1~1：Change between 20, two
The weight/mass percentage composition of person can change between 1%~60%, be also adjusted accordingly therewith using the proportioning of auxiliary agent, form new
Embodiment.
Boscalid can also be substituted for ethirimol or bupirimate forms new embodiment.
Embodiment 7：2.1%pyraziflumid ethirimol granules (pyraziflumid：Ethirimol=20：1)
It is made according to common process, wherein pyraziflumid 2g, ethirimol 0.1g, cornstarch (dispersing aid)
0.5g, polyethylene glycol (binding agent) 0.1g, polyvinyl alcohol (sustained release agent) 0.1g, kaolin (filler) complements to 100g.
The part by weight of pyraziflumid and ethirimol can be 20 in the present embodiment：1~1：Change between 20, both
Weight/mass percentage composition can change between 0.5%~85%, be also adjusted accordingly therewith using the proportioning of auxiliary agent, formed new
Embodiment.
Ethirimol can also be substituted for Boscalid or bupirimate forms new embodiment.
Embodiment 8：12%pyraziflumid Boscalid Seed Treatment suspending agents (pyraziflumid：Pyridine acyl bacterium
Amine=1：1)
It is made according to common process, wherein pyraziflumid 6g, Boscalid 6g, naphthalenesulfonate formaldehyde condensation compound (point
Powder) 1.4g, lauryl sodium sulfate (wetting agent) 0.5g, AEO (bleeding agent) 0.5g, xanthans (thickening
Agent) 0.2g, organosilicon (defoamer) 0.1g, ethylene glycol (antifreezing agent) 0.3g, acid scarlet (warning coloration) 0.5g, deionized water benefit
Enough to 100g.
The part by weight of pyraziflumid and Boscalid can be 20 in the present embodiment：1~1：Change between 20, two
The weight/mass percentage composition of person can change between 0.5%~80%, be also adjusted accordingly therewith using the proportioning of auxiliary agent, be formed
New embodiment.
Boscalid can also be substituted for ethirimol or bupirimate forms new embodiment.
Embodiment 9：12%pyraziflumid ethirimol suspension seed-coating agents (pyraziflumid：Ethirimol=1：5)
It is made according to common process, wherein pyraziflumid 2g, ethirimol 10g, lignosulfonates (dispersant)
5g, dioctyl sulfosuccinate (bleeding agent) 2g, starch (film forming agent) 3g, carboxymethylcellulose calcium (film forming agent) 2g, organosilicon
(defoamer) 0.08g, propane diols (antifreezing agent) 2g, acid scarlet (warning coloration) 3g, deionized water complements to 100g.
The part by weight of pyraziflumid and ethirimol can be 20 in the present embodiment：1~1：Change between 20, both
Weight/mass percentage composition can change between 0.5~80%, be also adjusted accordingly therewith using the proportioning of auxiliary agent, formed it is new
Embodiment.
Ethirimol can also be substituted for Boscalid or bupirimate forms new embodiment.
Embodiment 10：30%pyraziflumid Boscalid missible oil (pyraziflumid：Boscalid=2：1)
It is made according to common process, wherein pyraziflumid 20g, Boscalid 10g, calcium dodecyl benzene sulfonate (breast
Agent) 3g, OPEO (emulsifying agent) 4g, dimethyl sulfoxide (cosolvent) 10g, go turpentine oil to mend to 100g.
The part by weight of pyraziflumid and Boscalid can be 20 in the present embodiment：1~1：Change between 20, two
The weight/mass percentage composition of person can change between 1%~60%, be also adjusted accordingly therewith using the proportioning of auxiliary agent, form new
Embodiment.
Boscalid can also be substituted for ethirimol or bupirimate forms new embodiment.
Embodiment 11：51%pyraziflumid Boscalid wettable powders (pyraziflumid：Boscalid=
50：1)
It is made according to common process, wherein pyraziflumid 50g, Boscalid 1g, lauryl sodium sulfate (wetting
Agent) 2g, sodium lignin sulfonate (dispersant) 3g, NNO (dispersant) 5g, kaolin complements to 100g.
The part by weight of pyraziflumid and Boscalid can be 50 in the present embodiment：1~1：Change between 50, two
The weight/mass percentage composition of person can change between 1%~85%, be also adjusted accordingly therewith using the proportioning of auxiliary agent, form new
Embodiment.
Boscalid can also be substituted for ethirimol or bupirimate forms new embodiment.
Embodiment 12：51%pyraziflumid ethirimol wettable powders (pyraziflumid：Ethirimol=1：
50)
It is made according to common process, wherein pyraziflumid 1g, ethirimol 50g, lauryl sodium sulfate (wetting agent)
2g, sodium lignin sulfonate (dispersant) 3g, NNO (dispersant) 5g, kaolin complements to 100g.
The part by weight of pyraziflumid and ethirimol can be 50 in the present embodiment：1~1：Change between 50, both
Weight/mass percentage composition can change between 1%~85%, be also adjusted accordingly therewith using the proportioning of auxiliary agent, formed it is new
Embodiment.
Ethirimol can also be substituted for Boscalid or bupirimate forms new embodiment.
2nd, biological activity determination and field control effectiveness test example
The combination of active principles of different agricultural chemicals is made agricultural chemicals, is to develop and develop novel pesticide and preventing and treating at present agriculturally
A kind of effective and quick way of resistance pest and disease damage.After the pestsides synthesis of different cultivars, three kinds of type of action are typically exhibited：
Summation action, synergistic effect and antagonism.But which kind of effect be specially, it is impossible to predict, only could really by lot of experiments
It is fixed.
Inventor has found that pyraziflumid is phonetic with selected from Boscalid, ethirimol or second by substantial amounts of screening test
There is obvious synergistic function to multiple diseases after any one compounding in sulfocarbolate.Thus, present example is carried
The application of wheat powdery mildew, powdery mildew of cucumber, uncinula necator is being prevented and treated for above-mentioned bactericidal composition, effect is not only two kinds
The simple addition of medicament, is specifically illustrated with following biologicall test example.
One) biological activity determination example
Pyraziflumid compounds the co-toxicity to wheat powdery mildew with Boscalid, ethirimol or bupirimate
Determination test
For examination object：Wheat powdery mildew (Blumeria graminis.f.sp.tritici)
Experiment uses small potted plant cauline leaf spray-on process：Each reagent agent acetone and Tween-80 are dissolved, then dilute with water
To needed for concentration for the treatment of, using the aqua sterilisa containing appropriate acetone and Tween-80 as control (CK).3 long of selection is complete
The consistent wheat seedling of whole true leaf, growing way, tag number is write with marking pen, in insertion Potted orchard, is sequentially discharged, and is for experiment,
Each 4 repetition for the treatment of；Wheat powdery mildew is inoculated with after spraying treatment 24h, and is put into hot-house culture.With the wheat fallen ill
Uniformly shake off conidium on wheat seedling top to be inoculated with.
7d investigation preventions effect after medicine, grade scale performs National Standard of the People's Republic of China《Agricultural chemicals field efficacy is tried
Test criterion ()》, prevention effect is calculated with disease index.
It is attached：Drug effect computational methods：
CK1：Disease index after blank dispenser；PT1：Disease index after chemicals treatment dispenser.
Mode of application judges to use co-toxicity coefficient (CTC) method.The computing formula of co-toxicity coefficient is as follows：
Actual measurement toxicity index (ATI)=(standard agent EC50/ reagent agent EC50)×100
In theoretical toxicity index (TTI)=A medicaments ATI × mixture in the percentage composition+B medicaments ATI × mixture of A B hundred
Divide content
Co-toxicity coefficient (CTC)=[mixture surveys toxicity index (ATI)/mixture theoretical toxicity index (TTI)] × 100
When CTC≤80, then composition shows as antagonism, and as 80 ＜ CTC ＜ 120, then composition shows as being added and makees
With when CTC >=120, then composition shows as synergistic effect.
Result of the test：To wheat white powder after pyraziflumid and Boscalid, ethirimol or bupirimate compounding
The joint toxicity measuring of germ the results are shown in Table 1-3.
Joint toxicity measuring result of the test of the composition of table 1 to wheat powdery mildew
The result of the co-toxicity of table 1 test shows that pyraziflumid and Boscalid compounding are 50：1~1：50 match somebody with somebody
Co-toxicity coefficient CTC to wheat powdery mildew joint toxicity measuring than in the range of is all higher than 120, with synergistic effect.Especially
20：1~1：In 20 ratio range, CTC is all higher than 180, and synergistic effect is notable.
Joint toxicity measuring result of the test of the composition of table 2 to wheat powdery mildew
The result of the co-toxicity of table 2 test shows that pyraziflumid and ethirimol compounding are 50：1~1：50 proportioning
In the range of 120 are all higher than to the co-toxicity coefficient CTC of wheat powdery mildew joint toxicity measuring, with synergistic effect.Especially exist
20：1~1：In 20 ratio range, CTC is all higher than 180, and synergistic effect is notable.
Joint toxicity measuring result of the test of the composition of table 3 to wheat powdery mildew
The result of the co-toxicity of table 3 test shows that pyraziflumid and bupirimate compounding are 50：1~1：50
Ratio range in 120 are all higher than to the co-toxicity coefficient CTC of wheat powdery mildew joint toxicity measuring, with synergistic effect.Especially
It is 20：1~1：In 20 ratio range, CTC is all higher than 180, and synergistic effect is notable.
Two) field control effectiveness test example
1st, to the field control effectiveness test of powdery mildew of cucumber
Test is carried out in June, 2015 in the Vegetable Base of Huidong County of Guangdong Province one, and powdery mildew of cucumber occurs relatively gently during experiment,
State of an illness radix is investigated before medicine, random per cell to take at 4 points, 2 plants of whole blades of cucumber of every investigation, every leaf accounts for leaf by scab
The percentage classification record of area.
Stage division：
0 grade：Disease-free spot；
1 grade：Lesion area accounts for whole leaf area below 5%；
3 grades：Lesion area accounts for whole below leaf area 6%-10%；
5 grades：Lesion area accounts for whole below leaf area 11%-20%；
7 grades：Lesion area accounts for whole below leaf area 21%-40%；
9 grades：Lesion area accounts for whole more than 40%.
Experiment shares medicine 3 times, each medication interval 7 days, in 14 days investigation results after last time medication.
Computing formula is as follows：
Prevention effect (%)=(1- (CK0×PT1)/(CK1×PT0))×100
In formula：CK0Represent disease index before blank district dispenser；
CK1Represent disease index after blank district dispenser；
PT0Represent disease index before chemicals treatment district dispenser；
PT1Represent disease index after chemicals treatment district dispenser.
Data can draw from table 4, and the various formulation synergistic effects of composition containing pyraziflumid are obvious；For the last time
14d after dispenser, each compound drug is also significantly better than single dose to the prevention effect of powdery mildew of cucumber.
Field control effect of the medicaments such as the composition of table 4 to powdery mildew of cucumber
2nd, to the field control effectiveness test of uncinula necator
Test is carried out in July, 2015 in the grape base of Guilin one, is uncinula necator early stage, medicine during experiment
Preceding investigation state of an illness radix, is 25 square metres per plot area, and per cell, investigation 10 is new slightly, per slightly from top to bottom from the 5th leaf
Institute an inquiry, investigate 5-10 leaves, every leaf is classified by the percentage that lesion area accounts for full wafer leaf area.It is total that record is investigated
The number of sheets, the sick number of sheets at different levels.
Stage division：
0 grade：Disease-free spot；
1 grade：Lesion area accounts for whole leaf area below 5%；
3 grades：Lesion area accounts for whole below leaf area 6%-10%；
5 grades：Lesion area accounts for whole below leaf area 11%-20%；
7 grades：Lesion area accounts for whole below leaf area 21%-40%；
9 grades：Lesion area accounts for whole more than 40%.
Experiment shares medicine three times, each medication interval 7 days, in 14 days investigation results after last time medication.
Computing formula is as follows：
Prevention effect (%)=(1- (CK0×PT1)/(CK1×PT0))×100
In formula：CK0Represent disease index before blank district dispenser；
CK1Represent disease index after blank district dispenser；
PT0Represent disease index before chemicals treatment district dispenser；
PT1Represent disease index after chemicals treatment district dispenser.
Data can draw from table 5, and the various formulation synergistic effects of composition containing pyraziflumid are obvious；For the last time
14d after dispenser, each compound drug is also significantly better than single dose to the prevention effect of uncinula necator.
Field control effect of the composition containing pyraziflumid of table 5 to uncinula necator
From the combination containing pyraziflumid to powdery mildew of cucumber, the field control effectiveness test result of uncinula necator is seen, each multiple
Dose out powders have good prevention effect to powdery mildew, and preventive effect is significantly better than single dose.Illustrate that compounding has synergistic effect, lasting period
Extension, can reduce dosage and spraying times, delay the resistance to the action of a drug to produce, while cost accounting can be reduced.
These are only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all it is of the invention spirit and
Any modification, equivalent and improvement for being made within principle etc., should be included within the scope of the present invention.
Claims (6)
1. a kind of bactericidal composition containing pyraziflumid, contains active components A and active component B, its feature in composition
It is：Active components A is 50 with the mass ratio of active component B：1~1：50, described active components A is pyraziflumid,
Active component B is selected from any one in Boscalid, ethirimol or bupirimate.
2. the bactericidal composition containing pyraziflumid according to claim 1, it is characterised in that：Active components A and work
Property composition B mass ratio be 20：1~1：20.
3. the bactericidal composition containing pyraziflumid according to claim 1 and 2, it is characterised in that：Composition can be with
The formulation made has suspension seed-coating agent, granule, microcapsule suspending agent, microemulsion, aqueous emulsion, suspending agent, wettable powder, moisture
Shot agent or missible oil.
4. the bactericidal composition containing pyraziflumid according to claim 3, it is characterised in that：In composition effectively into
The gross mass percentage composition for dividing is 0.5%~85%.
5. the bactericidal composition containing pyraziflumid described in Claims 1-4 is used to prevent and treat the purposes of crop disease.
6. purposes according to claim 5, it is characterised in that：Described disease is target spot, canker, blight dis-ease, rust
Disease, ring spot, sclerotiniose, smut, full rot, root rot, gray mold, damping-off, banded sclerotial blight, bakanae disease, droop, sclerotium
Disease, poliosis, downy mildew, samping off, brown spot, powdery mildew, anthracnose, early blight, leaf mold, leaf spot, scab, black mole
Disease, epidemic disease, base rot disease, verticillium wilt, clubroot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611117538.6A CN106719688A (en) | 2016-12-08 | 2016-12-08 | A kind of bactericidal composition and its application containing pyraziflumid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611117538.6A CN106719688A (en) | 2016-12-08 | 2016-12-08 | A kind of bactericidal composition and its application containing pyraziflumid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106719688A true CN106719688A (en) | 2017-05-31 |
Family
ID=58881350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611117538.6A Pending CN106719688A (en) | 2016-12-08 | 2016-12-08 | A kind of bactericidal composition and its application containing pyraziflumid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106719688A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108200911A (en) * | 2017-07-25 | 2018-06-26 | 吉林农业科技学院 | A kind of composition comprising biphenyl pyrazine bacterium amine and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101341136A (en) * | 2005-12-22 | 2009-01-07 | 日本农药株式会社 | Pyrazinecarboxamide derivatives and plant disease controlling agents containing the same |
| JP2009023994A (en) * | 2007-06-21 | 2009-02-05 | Nippon Nohyaku Co Ltd | Agricultural and horticultural bactericide composition and usage thereof |
| JP2014224067A (en) * | 2013-05-16 | 2014-12-04 | 日本農薬株式会社 | Bactericide composition for agricultural and horticultural use and use method thereof |
-
2016
- 2016-12-08 CN CN201611117538.6A patent/CN106719688A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101341136A (en) * | 2005-12-22 | 2009-01-07 | 日本农药株式会社 | Pyrazinecarboxamide derivatives and plant disease controlling agents containing the same |
| JP2009023994A (en) * | 2007-06-21 | 2009-02-05 | Nippon Nohyaku Co Ltd | Agricultural and horticultural bactericide composition and usage thereof |
| JP2014224067A (en) * | 2013-05-16 | 2014-12-04 | 日本農薬株式会社 | Bactericide composition for agricultural and horticultural use and use method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108200911A (en) * | 2017-07-25 | 2018-06-26 | 吉林农业科技学院 | A kind of composition comprising biphenyl pyrazine bacterium amine and application thereof |
| CN108200911B (en) * | 2017-07-25 | 2020-04-07 | 吉林农业科技学院 | Composition containing biphenyl pyrazinyl bacteria amine and application thereof |
| CN111184001A (en) * | 2017-07-25 | 2020-05-22 | 吉林农业科技学院 | Composition containing biphenylpyrazinamide and fluazinam and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103380772B (en) | Oil suspending agent containing SYP-1620 | |
| CN101983565A (en) | Sterilization composite containing fluopyram | |
| CN105409961A (en) | Sterilization composition containing fluazinam and application thereof | |
| CN103271073A (en) | Insecticidal composition containing epoxy worm moiety and buprofezin | |
| CN102696614B (en) | Trifloxystrobin-containing compound pesticide bactericidal composition and preparation | |
| CN106489956A (en) | Composition pesticide and its application | |
| CN106689140A (en) | Pyraziflumid-containing bactericidal composition and application thereof | |
| CN102657198A (en) | Sterilization and production-increase composition containing phethalanilic acid | |
| CN107912437A (en) | A kind of bactericidal composition and its application containing pyraziflumid | |
| CN107494569A (en) | A kind of bactericidal composition is used for the purposes for preventing and treating dragon fruit canker | |
| CN103202299A (en) | Pesticide composition for preventing and controlling plant virus disease | |
| CN105475317A (en) | Sterilization combination containing efficient metalaxyl-M and cymoxanil | |
| CN108184861A (en) | A kind of bactericidal composition and its application containing pyraziflumid | |
| CN102657180B (en) | Sterilization composition containing tetraconazole and trifloxystrobin | |
| CN101697722B (en) | Famoxadone-containing bactericidal composition | |
| CN106719688A (en) | A kind of bactericidal composition and its application containing pyraziflumid | |
| CN104770374B (en) | A kind of bactericidal composition | |
| CN107372528A (en) | A kind of bactericidal composition and its application containing prothioconazoles and S-Ethyl ethylthio sulfonate | |
| CN107279161A (en) | A kind of bactericidal composition containing folpet and fluopyram | |
| CN101632383B (en) | Pesticide composition and application thereof | |
| CN106172453B (en) | A kind of bactericidal composition and its application | |
| CN105076169A (en) | Bactericidal composition containing albendazole and fludioxonil and application | |
| CN107912443A (en) | A kind of bactericidal composition and its application | |
| CN103828813B (en) | Compound pesticide bactericidal composition containing trifloxystrobin and preparation | |
| CN106719744A (en) | Bactericidal composition and its application |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170531 |