CN107980791A - Containing captan He the bactericidal composition of famoxadone and its application - Google Patents
Containing captan He the bactericidal composition of famoxadone and its application Download PDFInfo
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- CN107980791A CN107980791A CN201711363348.7A CN201711363348A CN107980791A CN 107980791 A CN107980791 A CN 107980791A CN 201711363348 A CN201711363348 A CN 201711363348A CN 107980791 A CN107980791 A CN 107980791A
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- Prior art keywords
- famoxadone
- bactericidal composition
- captan
- composition
- pesticide
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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
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
-
- 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
- A01N43/74—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 five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,3
- A01N43/76—1,3-Oxazoles; Hydrogenated 1,3-oxazoles
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Environmental Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Engineering & Computer Science (AREA)
- Plant Pathology (AREA)
- Pest Control & Pesticides (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Agronomy & Crop Science (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention disclose a kind of bactericidal composition and its application, and active ingredient includes captan He famoxadone in the bactericidal composition, wherein, captan is He the weight ratio of famoxadone is 40:1‑1：20, it is preferably 15:1‑5：1, the weight percentage of composition shared by active ingredient is 1 90% in bactericidal composition of the invention, is preferably 6 70%, remaining is the conventional auxiliary element in Pesticide formulation.Prevention of the bactericidal composition of the present invention to corps diseases especially downy mildew in the proportion shows obvious synergistic function, it is possible to reduce pesticide activity component usage amount, improves prevention effect.
Description
Technical field
The invention belongs to composition pesticide field, and in particular to be it is a kind of comprising captan He the sterilization group of famoxadone
Compound and its application.
Background technology
Oomycetes disease such as downy mildew, epidemic disease are diseases common in proportion of crop planting, the yield and quality band to crops
Carry out very big damage.According to the literature, due to single drug and other unreasonable medications, downy mildew, epidemic disease etc. are already led to
Disease generates the resistance to the action of a drug to Multiple Pesticides, causes the prevention effect of these pesticides to decline, and for effectively preventing disease, need
The usage amount of pesticide further increased, cause the pollution of environment, be unfavorable for the sustainable development of agricultural.Therefore, find
Efficiently, low toxicity, can to delay drug-fast novel agrochemical kind be to solve the problems, such as one of this important channel.
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 that prevention 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 so as to prevent germ is conidial from dissipating
Put.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, and still, it is sometimes and unsatisfactory in low rate of application.Its
There is preferable prevention effect to a variety of fungal diseases, but when preventing bacterium and fungal disease at the same time, its deficiency that seems.And
Captan applicating history is long, some pathogens have produced captan certain resistance to the action of a drug.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.
Famoxadone, chemical name：3- anilino- -5- methyl -5- (4- Phenoxyphenyls) -1,3- oxazolidines -2,4- two
Ketone, english common name：Famoxadone, single dose trade name：Yi Bao, is the new height developed by du pont company
Imitate broad spectrum activity fungicide.Can prevent the important diseases of the crops such as fruit tree and vegetable for example powdery mildew, rust, glume blight, net blotch,
Downy mildew, late blight etc..
The independent long-time service of above two pesticide, is easy to cause the drug-fast generation of pathogen, causes drug effect to be decreased obviously,
So as to cause dosage to rise significantly, cycle time is sprayed, very big influence, and the increase of pesticide usage amount are caused to environment,
Very big threat is brought to the physical safety of the public.Through retrieval, at present it is not yet found that on captan He famoxadone compounds
Relevant report.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide, one kind is safe, dosage is low, prevention effect
Good synergistic composition pesticide.
The purposes for preventing corps diseases another object of the present invention is to provide the composition pesticide to be used for, the agriculture
Crop disease includes but not limited to the downy mildew of the crops such as vegetables, fruit tree, solanaceous vegetables, late blight.
Present invention also offers a kind of method that cover crop attacks to prevent corps diseases, including separately, successively or together
When use captan He famoxadone, in the case of separate administration, order does not usually influence the result of control measure.
In order to achieve the above object, the present invention adopts the following technical scheme that：
A kind of pesticide sterilizing composite, it is characterised in that active ingredient includes captan He famoxadone, wherein, effectively
Component captan is He the weight ratio of famoxadone is 40:1-1：20.
Further, the captan is He the weight ratio of famoxadone is preferably 15:1-5：1.
Further, the weight percentage of composition shared by active ingredient is 1- in bactericidal composition of the invention
90%, it is preferably 6-70%, remaining is the conventional auxiliary element in Pesticide formulation.
Further, conventional auxiliary element includes surfactant, dispersant, wetting in bactericidal composition of the invention
Other known substances for being beneficial to active ingredient and stablizing and play drug effect in the formulation such as agent, emulsifying agent, filler, are all pesticide systems
Commonly use in agent and allow the various composition used, be not particularly limited, specific component and dosage pass through according to the requirement of formula
Simple experiment determines to obtain.
Further, bactericidal composition of the invention is prepared by the conventional means in Pesticide formulation becomes pesticide system
Agent processing in any one formulation, include but not limited to missible oil, wettable powder, water dispersible granules, suspending agent, aqueous emulsion,
Microemulsion etc..
Further, bactericidal composition of the invention can be provided in the form of component preparation, i.e., each material has been in composition
Through mixing, the component in composition can also be provided with unit dose form, directly directly be mixed in bucket or tank using preceding, then dilute
Release to required concentration.
Further, the weight for the captan, famoxadones that the present invention is previously mentioned, weight of active ingredient etc., each mean
The weight of active ingredient.
Further, bactericidal composition of the invention can also be true with killing for for example other species of other agricultural active components
The mixing such as microbial inoculum, insecticide, nematicide, herbicide, synergist, safener, fertilizer are applied.
Further, the frequency of administration of bactericidal composition of the invention and amount of application change with weather conditions and crop condition
And change, can be by achieving the purpose that prevention using suitable formulation.
Compared with prior art, bactericidal composition of the invention has the beneficial effect that：
1st, pesticide sterilizing composite active ingredient captan of the invention is He in certain model after both famoxadones compounding
It is not simple superposition between each other in enclosing, but can reaches synergistic function after both compoundings, it is possible to reduce
Pesticide activity component usage amount, improves prevention effect.
2nd, the pesticide sterilizing composite active ingredient mechanism of action of the invention is different, both uses can reduce and/
Or overcome the drug-fast generation of pathogen.
3rd, pesticide sterilizing composite dosage of the invention is low, prevention effect is good, to crop safety.
Embodiment
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 scope that this should not be interpreted as to the above-mentioned theme of the present invention is only limitted to following example.
First, example of formulations
1st, embodiment 1:31% gram of Jun Dan famoxadones water dispersible granules (30:1)
The preparation method of the water dispersible granules is：By above-mentioned formula by active ingredient, wetting agent, dispersant, disintegrant,
Binding agent, carrier are proportionally added into mixer and carry out air-flow crushing after mixing, and a small amount of purified water is added after the completion of crushing
Stir, extruder grain, water dispersible granules product of the present invention is can be prepared by after drying.
2nd, embodiment 2:20% gram of Jun Dan famoxadones wettable powder (1：1)
The preparation method of the wettable powder is：By pesticide activity component, dispersant, wetting agent and filled out by above-mentioned formula
Material is uniformly mixed, and is stirred evenly in stirred tank, is uniformly mixed after airslide disintegrating mill crushes, you can is made of the present invention
Wettable powder.
3rd, embodiment 3:42% gram of Jun Dan famoxadones water dispersible granules (17:4)
The preparation method of the water dispersible granules is：By above-mentioned formula by active ingredient, wetting agent, dispersant, disintegrant,
Binding agent, carrier are proportionally added into mixer and carry out air-flow crushing after mixing, and a small amount of purified water is added after the completion of crushing
Stir, extruder grain, water dispersible granules product of the present invention is can be prepared by after drying.
4th, embodiment 4:36% gram of Jun Dan famoxadones suspending agent (5:1)
The preparation method of the suspending agent is：According to be formulated it is described by active ingredient, wetting agent, dispersant, thickener, disappear
Infusion, preservative, antifreeze, water are stirring evenly and then adding into sand mill and are sanded so that particle diameter is below 5 microns, i.e.,
Suspending agent of the present invention can be made.
2nd, toxicity measures
1st, strains tested：Cucumber downy mildew germ
2nd, test method：Experiment is measured using pot-culture method.Choose and grow consistent two panels leaf period cucumber seedling, each processing
Select 10 basins spare for examination melon seedling, numbering.Sprayed with Potter spray towers under 50PSI pressure, per basin 5mL.Each medicament is set
6 concentration gradients are put, to spray the processing of equivalent clear water as blank control.The downy mildew leaf for picking up from field is taken, is dipped with writing brush
The sporangium in 10 DEG C or so of distillation washing lower back face, is made into concentration as 3 × 105The sporangia suspension of a/mL.At medicament
Spray inoculation spore cyst fluid after 24h is managed, cucumber seedling is placed in growth cabinet after inoculation (relative humidity 100%, temperature 15~
20 DEG C) cultivate, keep 15~24 DEG C of temperature, 90% or so moisturizing of relative humidity to induce after 24h, investigated after 10d and record feelings of falling ill
Condition, calculates disease index and prevention effect.Concentration EC in suppressing is calculated with least square method50, then it is malicious altogether according to the abundant method calculating of Sun Yun
Coefficient (CTC).As CTC ＜ 80, then composition shows as antagonism, and as 80 ＜ CTC ＜ 120, then composition shows as being added
Effect, 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 of B in agent
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (ATI)/mixture theoretical toxicity index (TTI)] × 100
Captan He Toxicity Determination of the famoxadone to cucumber downy mildew the results are shown in Table 1：
1 captan of table is He famoxadone compounds the Toxicity Determination to cucumber downy mildew
Toxicity Determination the result shows that, captan He famoxadone 40:1-1:To cucumber downy mildew in the range of 20
Prevention show certain synergistic function, wherein, when both compound proportions be 15:1-5:When 1, the common poison of both compoundings
More than 150, synergistic function is opposite to be become apparent from coefficient.
3rd, field control effectiveness test
Field information embodiment：Captan is He famoxadone compounds the field control effectiveness test to cucumber downy mildew
In order to further verify captan He famoxadone compounds the practical application effect to cucumber downy mildew, using this hair
The composition pesticide preparation of bright embodiment 1-4 carries out prevention cucumber downy mildew field control effectiveness test, with 50% captan wettable
Pulvis and 30% famoxadone water dispersible granules are comparison medicament, and test site is arranged on Shouguang City of Shandong Province somewhere green house of vegetables
It is interior, full cucumber seeds are screened, during vernalization is broadcast to the paper that a diameter of 10cm is seeded in when showing money or valuables one carries unintentionally, are cultivated to 2 needle time shifts
Plant in rice greenhouse, normal cultivation management, after when cucumber is grown to 10 needles, the preparation of embodiment 1-4 and contrast single dose are watered
Uniformly it is sprayed on the positive and negative of cucumber leaves；Chemical agent and blank control clear water processing method are identical with the former.Often handle
20 cucumber, are repeated 4 times, random alignment.After sprinkling 1 day, spray inoculation bacterium of downy mildew of cucumber, controls greenhouse temperature to exist after inoculation
Between 20-24 DEG C, humidity 80-90%；Incidence is investigated when clear water blank control is fully fallen ill and after falling ill 7 days, and is counted
Calculate disease index and preventive effect.Result of the test is as shown in table 2.
Field control effectiveness test of 2 different agents of the table processing to cucumber downy mildew
Field control effectiveness test result shows, captan of the invention He the bactericidal composition of famoxadone compounding to cucumber cream
The prevention of mildew shows preferable lasting effect and quick-acting, the prevention of the composition pesticide of embodiment 1-4 to cucumber downy mildew
Positive effect is better than control unit, and the bactericidal composition lasting period of the present invention compares better than each single dose, especially embodiment 3
Composition pesticide, preventive effect is more than 90%.In addition, in scope of medication, the pesticide sterilizing composite of the present invention is not found
There is poisoning generation to cucumber crop, show that the pesticide sterilizing composite security 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, some modifications, this hair can also be made to these exemplary embodiments
Bright scope is subject to the protection domain that claim is limited.
Claims (7)
1. a kind of bactericidal composition, it is characterised in that active ingredient includes captan He famoxadone.
2. bactericidal composition according to claim 1, it is characterised in that the captan is He the weight ratio of famoxadone is
40:1-1:20。
3. bactericidal composition according to claim 2, it is characterised in that the captan is He the weight ratio of famoxadone is excellent
Elect 15 as：1-5:1.
4. bactericidal composition according to claim 2, it is characterised in that the captan is He the weight ratio of famoxadone is excellent
Elect 17 as:4.
5. according to the bactericidal composition described in any one of claim 1-4 claim, it is characterised in that the Bactericidal composite
The formulation of thing is missible oil, any in wettable powder, water dispersible granules, suspending agent, aqueous emulsion, microemulsion.
6. the bactericidal composition according to any one of claim 1-5 claim is used for the use for preventing corps diseases
On the way.
7. purposes according to claim 6, it is characterised in that the corps diseases are preferably downy mildew.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711363348.7A CN107980791A (en) | 2017-12-14 | 2017-12-14 | Containing captan He the bactericidal composition of famoxadone and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711363348.7A CN107980791A (en) | 2017-12-14 | 2017-12-14 | Containing captan He the bactericidal composition of famoxadone and its application |
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| Publication Number | Publication Date |
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| CN107980791A true CN107980791A (en) | 2018-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711363348.7A Pending CN107980791A (en) | 2017-12-14 | 2017-12-14 | Containing captan He the bactericidal composition of famoxadone and its application |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103348990A (en) * | 2013-07-30 | 2013-10-16 | 江苏龙灯化学有限公司 | Bactericidal composition containing mandipropamid and captan |
| CN106982844A (en) * | 2017-05-13 | 2017-07-28 | 南京高正农用化工有限公司 | A kind of agricultural bactericidal composition of Bao Han famoxadones and hymexazol |
-
2017
- 2017-12-14 CN CN201711363348.7A patent/CN107980791A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103348990A (en) * | 2013-07-30 | 2013-10-16 | 江苏龙灯化学有限公司 | Bactericidal composition containing mandipropamid and captan |
| CN106982844A (en) * | 2017-05-13 | 2017-07-28 | 南京高正农用化工有限公司 | A kind of agricultural bactericidal composition of Bao Han famoxadones and hymexazol |
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