CN108782576A - Pesticide sterilizing composite containing captan and fluoxastrobin - Google Patents
Pesticide sterilizing composite containing captan and fluoxastrobin Download PDFInfo
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- CN108782576A CN108782576A CN201710284539.8A CN201710284539A CN108782576A CN 108782576 A CN108782576 A CN 108782576A CN 201710284539 A CN201710284539 A CN 201710284539A CN 108782576 A CN108782576 A CN 108782576A
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- Prior art keywords
- pesticide
- fluoxastrobin
- sterilizing composite
- pesticide sterilizing
- captan
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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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/88—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms six-membered rings with three ring hetero atoms
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- 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 belongs to composition pesticide fields, and in particular to be pesticide sterilizing composite and its application that a kind of active constituent mainly includes captan and fluoxastrobin, the weight ratio of active constituent captan and fluoxastrobin is 20 in the pesticide sterilizing composite:1-1:8, composition pesticide of the invention has obvious synergistic function certain corps diseases within the scope of aforementioned proportion, it is possible to reduce pesticide activity component usage amount reduces Pesticide use cost, improves control effect, meets the demand of pesticide " zero growth rate ".The composition pesticide preparation process of the present invention is simple, at low cost, safe, is worth promoting and applying in production.
Description
Technical field
The invention belongs to composition pesticide fields, and in particular to be that a kind of pesticide comprising captan and fluoxastrobin kills
Bacteria composition and application thereof.
Background technology
Fluoxastrobin（Fluoxastrobin, No. CAS is 193740-76-0）It is a kind of novel methoxy acrylic
Fungicide is the new type bactericide reported by Bayer Cropscience Co., Ltd, is a kind of mitochondrial respiratory inhibitor, passes through
Electronics transfer inhibits the breathing of mitochondria between cytochrome b and C1.Act on the fungicide type of mitochondrial respiratory effect very
It is more, but the site of methoxy acrylic ester compounds effect and previous fungicide are different, and therefore, fluoxastrobin is to prevention
The bacterial strain that sterol inhibitor, phenylamide, dihydroxy amides and benzimidazole generate resistance is effective.Fluoxastrobin is applicable in
Period is wide, no matter in fungal infection early stage as spore germination, germ tube are grown, or can provide in growth period of hypha extraordinary
Protection and therapeutic effect；Especially spore germination and initial stage are infected most effective.Fluoxastrobin has excellent systemic activity, because
This, it can be applied absorption faster, and can be transmitted faster to top in leaf portion, therefore have good resistance of rainwater washing against energy
Power.Fluoxastrobin is widely used in cauline leaf process, can effectively prevent the disease of the crops such as cereal crop, potato, vegetables
Such as downy mildew, epidemic disease, powdery mildew, rust, leaf spot, rice blast.
Captan also known as Cape Town are the protective fungicide of trichloro-methylthio class wide spectrum, have certain treatment concurrently and make
With captan is a kind of lower toxicity broad spectrum protection bactericidal pesticide, can prevent a variety of diseases of the crops such as apple, pears, strawberry, grape
Evil has the function of that control effect is good, poisoning is small, appropriate using also with stimulation plant growth.Its main function mechanism is resistance
Disconnected disease fungus respiratory can also reduce the content of atriphos in pathogen to prevent germ is conidial from dissipating
It puts.It is mainly used for spraying, can also makees seed treatment, infusion product after harvest carries out soil treatment before sowing or before plant.For
The ring spot of prevention fruit tree, vegetables, flowers and other industrial crops etc., scab, downy mildew, powdery mildew, anthracnose, grey mold
Disease, early blight, late blight etc..The activity of the compound is good, still, sometimes and unsatisfactory in low rate of application.Its
There is preferable control effect to a variety of fungal diseases, but when preventing bacterium and fungal disease simultaneously, seem insufficient.And
Captan applicating history is long, some pathogens have generated certain drug resistance to captan.Therefore, other efficient sterilizings are selected
It is to resist resistance, delaying drug resistance development that agent compounds therewith, extends an important channel of its service life.
Currently, due to the long-time service of captan and fluoxastrobin, pathogen is made to produce resistance, and due to drug resistance
Enhancing, single dose usage amount increase, and not only cost accounting improves, while having also appeared environmental pollution and crop safety problem, therefore,
There is an urgent need to find the fungicide that some can delay pathogen drug resistance, control effect to improve, especially when fungicide is taken into account
When protection and therapeutic effect, it can achieve the purpose that rationally to control.
Invention content
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to develop a kind of sterilization including captan and fluoxastrobin
Composition, and a kind of preparation method of the bactericidal composition containing captan and fluoxastrobin is provided, to prevent vegetables, on fruit tree
Multiple diseases.
The present invention also provides a kind of methods that cover crop invades to prevent corps diseases, including separately, successively or together
When use captan and fluoxastrobin, in the case of separate administration, sequence usually the result of control measure is not influenced.
In order to achieve the above objectives, the present invention adopts the following technical scheme that：
A kind of pesticide sterilizing composite, its active constituent include mainly captan and fluoxastrobin, wherein captan and fluorine are phonetic
Bacterium ester exists with synergistic proportional region, the proportional region 20:1-1:8.In a preferred embodiment of the invention,
The weight ratio of the captan and fluoxastrobin is 10:1-1:5.
Further, the weight percentage of captan is 5-50%, more preferably, example in the pesticide sterilizing composite
As due to cost considerations, the content of captan is generally 20% or more.
Further, the weight percentage of fluoxastrobin is 1-40% in the pesticide sterilizing composite, more preferably,
Such as selected by carrying out preferably content with captan compounding, the content of fluoxastrobin is generally 1-30%.
Further, pesticide bacteriostat composition of the invention can be used directly, it is preferred that pesticide sterilizing of the invention
Form of mixtures of the composition together at least one agriculturally acceptable adjuvant or carrier uses them.Suitable auxiliary
In general agent or carrier are safe to crop, especially in some cases, the adjuvant at least should be with the present invention's
Pesticide sterilizing composite does not chemically react.
Further, pesticide sterilizing composite of the invention and the adjuvant or carrier mix and lead in the proper ratio
It crosses the conventional means such as dissolving, dispersion, suspension, mixing, absorption and is prepared into any one type of dosage form for being suitble to agriculturally use, packet
Include but be not limited to missible oil, wettable powder, water dispersible granules, suspending agent, microemulsion, microcapsule suspending agent, granule etc..
Further, pesticide sterilizing composite of the invention prevents various corps diseases by the following method：Directly or
After being diluted or suspended in water in the proper ratio with water, to prevent the effective quantity of corps diseases, it is applied to expection
It will appear on the crops of disease, or the place for being not intended to plant disease to occur or grow.
Further, the administration dosage of pesticide sterilizing composite of the invention prevention corps diseases is with various factors example
When such as preventing target, plant growth stage, disease occurrence degree, weather, environmental condition, type of preparation, method of administration and application
Between it is equal and change.
Further, pesticide sterilizing composite of the invention can also be with for example other types of other agricultural active ingredients
The mixing such as fungicide, insecticide, nematicide, herbicide, synergist, safener, fertilizer are applied.
Further, pesticide sterilizing composite of the invention is particularly suitable for prevention cucumber downy mildew.
Compared with prior art, pesticide sterilizing composite of the invention has the beneficial effect that：
1, pesticide sterilizing composite active constituent captan and fluoxastrobin of the invention are protectiveness and absorbability sterilization respectively
Agent, action site increases after the two compounds, and can delay and/or overcome the generation of pathogen drug resistance；
2, pesticide activity component has apparent in a certain range by rationally compounding in pesticide sterilizing composite of the invention
Synergistic function, it is possible to reduce pesticide activity component usage amount, improve control effect；
3, pesticide sterilizing composite of the invention is prepared simple, at low cost, safe and efficient.
Specific implementation mode
In order to fully understand the present invention, the above and technical solution of the present invention are made below in conjunction with embodiment detailed
Explanation, but the range that this should not be interpreted as to the above-mentioned theme of the present invention is only limitted to example below.
One, example of formulations
1, embodiment 1:25% captan fluoxastrobin wettable powder（4：1）
Captan 20%
Fluoxastrobin 5%
Neopelex 4%
Sodium lignin sulfonate 5%
Dibutyl naphthalenesulfonic acid salt 4%
Diatomite surplus
Pesticide activity component, each auxiliary agent and filler etc. are mixed according to the formula uniformly, after ultra-fine pulverizer disintegrating,
It can be prepared by wettable powder of the present invention.
2, embodiment 2：40% captan fluoxastrobin water dispersible granules（9:1）
Captan 36%
Fluoxastrobin 4%
Polyoxyethylene poly-oxygen propylene aether 2.5%
Dioctyl sulfosuccinate 2.6%
Sulfonate of laurate sodium sulphate 0.9%
Ammonium sulfate 4%
Arabic gum 6%
Precipitated calcium carbonate surplus
By pesticide activity component, filler is uniformly mixed together with dispersant, wetting agent, disintegrant, with micro jet powder
It is broken, through mediating, be then added in fluidized-bed granulation dryer be granulated, dried, sieve after through sampling analysis, you can be made
The water dispersible granules of inventive composition.
3, embodiment 3:44% captan fluoxastrobin water dispersible granules（10:1）
Captan 40%
Fluoxastrobin 4%
Polyoxyethylene poly-oxygen propylene aether 2.7%
Dioctyl sulfosuccinate 2.6%
Sulfonate of laurate sodium sulphate 0.9%
Ammonium sulfate 4.3%
Arabic gum 6.7%
Precipitated calcium carbonate surplus
By pesticide activity component, filler is uniformly mixed together with dispersant, wetting agent, disintegrant, with micro jet powder
It is broken, through mediating, be then added in fluidized-bed granulation dryer be granulated, dried, sieve after through sampling analysis, you can be made
The water dispersible granules of inventive composition.
4, embodiment 4:42% captan fluoxastrobin suspending agent（1:1）
Captan 21%
Fluoxastrobin 21%
Alkyl phenol polyoxyethylene ether 3%
EO-PO block polyethers 4%
Sodium alginate 3%
Organic silicone 2%
Isothiazolinone 0.8%
Ethylene glycol 2.2%
Deionized water surplus
First pesticide auxiliary element is uniformly mixed, is uniformly mixed through high speed shear, active ingredient captan then is added and fluorine is phonetic
Bacterium ester can be prepared by suspending agent of the present invention through sand mill grinding.
Two, Toxicity Determination
Assays Example：Captan and fluoxastrobin compound the Toxicity Determination to cucumber downy mildew
Subjects：Bacterium of downy mildew of cucumber
Experiment is measured using pot-culture method.It chooses and grows consistent two panels leaf period cucumber seedling, each processing selects 10 basins for trying melon
Seedling, number are spare.It is sprayed under 50PSI pressure with Potter spray towers, per basin 5mL.6 concentration gradients are arranged in each medicament,
To spray the processing of equivalent clear water as blank control.The downy mildew leaf for picking up from field is taken, 10 DEG C or so of distillation is dipped with writing brush
The spore at the lower back side of washing, is made into a concentration of 3 × 105The spore suspension of a/mL.In chemicals treatment for 24 hours after spray inoculation spore
Sub- suspension, after inoculation by cucumber seedling be placed in growth cabinet (relative humidity 100%, 15~20 DEG C of temperature) culture, for 24 hours after
15~24 DEG C of temperature, 90% or so moisturizing of relative humidity is kept to induce, investigation record incidence, calculates disease index after 10d
And control effect.Concentration EC in inhibiting is calculated with least square method50, then according to Sun Yunpei's Method calculating co-toxicity coefficient (CTC).Work as CTC
< 80, then composition show as antagonism, as 80 < CTC < 120, then composition shows as summation action, as CTC > 120,
Then composition shows as synergistic effect.
Survey toxicity index (ATI)=(standard agent EC50/ reagent agent EC50)×100
In theoretical toxicity index (TTI)=A medicament toxicity index × mixture in percentage composition+B medicament toxicity index × mixture of A
The percentage composition of B
Co-toxicity coefficient (CTC)=[mixture surveys toxicity index (ATI)/mixtures theoretical toxicity index (TTI)] × 100
The Toxicity Determination result is shown in Table 1.
Indoor toxicity determination test the result shows that, captan and fluoxastrobin are 20:1-1:Cucumber downy mildew in the range of 8
Prevention shows certain synergistic function, wherein when the two compounds weight ratio 10:1-1:It is that collaboration increases in the range of 5
Effect effect is preferable, and when captan and fluoxastrobin compound proportion are 9:When 1, synergistic function is more preferable, shows the pesticide
Composition can preferably play respective control effect within the scope of aforementioned proportion.
Three, field control effectiveness test
Field information embodiment：Captan and fluoxastrobin compound the field control effectiveness test to cucumber downy mildew
In order to further verify the practical application effect of the complex composition containing captan and fluoxastrobin of the invention, application
The composition pesticide of 1-4 of the embodiment of the present invention carries out prevention cucumber downy mildew field control effectiveness test, with 50% captan wettable powder
Agent and 21% fluoxastrobin suspending agent are comparison medicament, and test site is arranged in Shouguang City of Shandong Province somewhere green house of vegetables, screening
Full cucumber seeds, during vernalization is broadcast to the paper for being seeded in a diameter of 10 cm when showing money or valuables one carries unintentionally, culture is big to transplanting rice when 2 needles
In canopy, normal cultivation management, uniformly spray after being watered the preparation of embodiment 1-4 and comparison single dose when cucumber grows to 10 needles
It is sprinkled upon on the positive and negative of cucumber leaves；Chemical agent and blank control clear water processing method are identical as the former.Often handle 20 Huangs
Melon is repeated 4 times, random alignment.After sprinkling 1 day, spray inoculation bacterium of downy mildew of cucumber controls greenhouse temperature in 20-24 after inoculation
Between DEG C, humidity 80-90%；After when clear water blank control is fully fallen ill and morbidity investigates incidence after 7 days, and the state of an illness is calculated
Index and preventive effect.Test result is as shown in table 2.
Field control effectiveness test result shows that the bactericidal composition of captan of the invention and fluoxastrobin prevents cucumber downy mildew
It controls and shows preferable quick-acting and lasting effect, the composition pesticide of embodiment 1-4 is apparent to the control effect of cucumber downy mildew
It is better than control single dose, and the bactericidal pesticide composition lasting period of the present invention is better than single active constituent, the especially agriculture of embodiment 2
Drug composition, preventive effect is 90% or more.In addition, in scope of medication, do not find the pesticide sterilizing composite of the present invention to cucumber
Crop has poisoning generation, shows that the pesticide sterilizing composite safety of the present invention is also preferable.
Embodiment above describes some exemplary embodiments of the present invention, but it will be apparent to those skilled in the art that
Without departing from the principles and spirit of the present invention, several modifications, this hair can also be made to these exemplary embodiments
Bright range is subject to the scope of protection defined by the claims.
Claims (9)
1. a kind of pesticide sterilizing composite, which is characterized in that its active constituent includes mainly captan and fluoxastrobin.
2. pesticide sterilizing composite according to claim 1, which is characterized in that the captan and fluoxastrobin are to cooperate with
The proportional region of synergy exists, the proportional region 20:1-1:8.
3. pesticide sterilizing composite according to claim 2, which is characterized in that the weight of the captan and fluoxastrobin
Than being preferably 10:1-1:5.
4. according to the pesticide sterilizing composite described in any one of claim 1-3 claims, which is characterized in that described gram of bacterium
Red and fluoxastrobin weight ratio is most preferably 9:1.
5. pesticide sterilizing composite according to claim 4, which is characterized in that described to state gram bacterium in pesticide sterilizing composite
Red weight percentage is 5-50%, and the weight percentage of fluoxastrobin is 1-40% in the pesticide sterilizing composite.
6. pesticide sterilizing composite according to claim 5, which is characterized in that the pesticide sterilizing composite and at least one
Agriculturally the form of mixtures of acceptable adjuvant or carrier together uses them to kind.
7. pesticide sterilizing composite according to claim 6, which is characterized in that the dosage form of the pesticide sterilizing composite is
It is any in missible oil, wettable powder, water dispersible granules, suspending agent, microemulsion, microcapsule suspending agent, granule.
8. requiring pesticide sterilizing composite described in 7 according to power, which is characterized in that the pesticide sterilizing composite can also and its
Fungicide, insecticide, nematicide, herbicide, synergist, safener, the fertilizer of for example other types of its agricultural active ingredient
The mixing such as material application.
9. the pesticide sterilizing composite according to claim 1-8 is used to prevent the purposes of corps diseases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710284539.8A CN108782576A (en) | 2017-04-27 | 2017-04-27 | Pesticide sterilizing composite containing captan and fluoxastrobin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710284539.8A CN108782576A (en) | 2017-04-27 | 2017-04-27 | Pesticide sterilizing composite containing captan and fluoxastrobin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108782576A true CN108782576A (en) | 2018-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710284539.8A Pending CN108782576A (en) | 2017-04-27 | 2017-04-27 | Pesticide sterilizing composite containing captan and fluoxastrobin |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023218409A1 (en) * | 2022-05-11 | 2023-11-16 | Adama Makhteshim Ltd. | Phthalimide fungicide composition |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101595882A (en) * | 2009-05-07 | 2009-12-09 | 深圳诺普信农化股份有限公司 | A kind of composition pesticide that contains methoxy acrylic bactericide |
-
2017
- 2017-04-27 CN CN201710284539.8A patent/CN108782576A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101595882A (en) * | 2009-05-07 | 2009-12-09 | 深圳诺普信农化股份有限公司 | A kind of composition pesticide that contains methoxy acrylic bactericide |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023218409A1 (en) * | 2022-05-11 | 2023-11-16 | Adama Makhteshim Ltd. | Phthalimide fungicide composition |
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