CN106879615A - Bactericidal composition and its application containing iprovalicarb - Google Patents
Bactericidal composition and its application containing iprovalicarb Download PDFInfo
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- CN106879615A CN106879615A CN201710290152.3A CN201710290152A CN106879615A CN 106879615 A CN106879615 A CN 106879615A CN 201710290152 A CN201710290152 A CN 201710290152A CN 106879615 A CN106879615 A CN 106879615A
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- iprovalicarb
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- 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
- A01N47/08—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
-
- 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
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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 present invention relates to a kind of bactericidal composition containing iprovalicarb and its application, its active ingredient includes iprovalicarb and captan, wherein, the weight ratio of iprovalicarb and captan is 10:1‑1:60, preferably 5:1‑1:20, the weight percentage of active component is 10 90% in composition.Bactericidal composition of the invention can be configured to any one in missible oil, wettable powder, suspending agent, water dispersible granules, microemulsion, aqueous emulsion.Bactericidal composition prevention effect of the invention is good, and the lasting period is long, and both compound can reduce pesticide activity component usage amount, improve prevention effect, meet the requirement of agricultural sustainable development.
Description
Technical field
The invention belongs to field of pesticide preparation, and in particular to be a kind of Bactericidal composite containing iprovalicarb and captan
Thing and its application, the bactericidal composition are used to prevent and treat the corps diseases especially microbial disease of Oomycete cause of disease.
Background technology
In proportion of crop planting and production process, crop is often infected by various fungies or bacterium and is obtained various diseases
Disease.The disease that Oomycete fungal causes occurs more generally, to cause very big economic loss in proportion of crop planting.Such as downy mildew
Happened occasionally on many fruit trees, vegetables.Downy mildew is a kind of important disease in gourd, fruit and vegetable production, each to harvesting from seedling
There is generation in the individual stage, is caused harm with strain heavier.Main blade of causing harm, early stage forms light yellow subcircular at most on blade face
Angular scab, blade back produces the mould layer of white shape when there was dampness in the air, and blade face can be spread to sometimes.Later stage scab is withered in flakes, in yellowish-brown
Color, whole blades withered and yellow death when serious.Downy mildew is a kind of very strong disease of popularity, is not planting the dish of disease-resistant variety
Area, light then underproduction 30-40% during plant disease epidemic is serious up to 70-80%, or even total crop failure.In the preventing and treating of downy mildew, lead at this stage
Metalaxyl, M 9834, dimethomorph and some protective fungicides, these medicaments are relied on because long-term use has been generated
The different degrees of resistance to the action of a drug, causes prevention effect to decline.
Iprovalicarb, english common name is iprovalicarb, is sterilized by Beyer Co., Ltd's amino acids newly developed
Agent, its mechanism of action is unique, can influence the metabolism of pathogen amino acid, and existing known biocides no interactions resistance, different
Third bacterium amine can play the guarantor to crop by suppressing growth, mycelial growth and the sporulation of sporangium plumule pipe
Shield, therapeutic action, can effectively prevent and treat the microbial disease of Oomycete cause of disease.But long-term single use can cause the pathogen resistance to the action of a drug
Generation, the preventive effect for causing compound is reduced, usage amount increases, service life substantially shortens.
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 and treat the various diseases of the crops such as apple, pears, strawberry, grape
Evil, with prevention effect it is good, poisoning is small, it is appropriate using also have stimulate plant growth effect.Its Main Function mechanism is resistance
Disconnected disease fungus respiratory, it is also possible to which germ is conidial to be dissipated so as to prevent to reduce the content of atriphos in pathogen
Put.It is mainly used in spraying, can also makees Seed Treatment, infusion product after results carries out soil treatment before sowing or before plant.For
Ring spot, scab, downy mildew, powdery mildew, anthracnose, the grey mold of preventing and treating fruit tree, vegetables, flowers and other industrial crops etc.
Disease, early blight, late blight etc..The activity of the compound is good, but, it is sometimes and unsatisfactory in low rate of application.Its
There is preferable prevention effect to various fungal diseases, but when bacterium and fungal disease is prevented and treated simultaneously, it seems not enough.And
Captan applicating history is long, and many crops have generated the resistance to the action of a drug to it to a certain extent.Therefore, select other efficient
It is to resist resistance, delaying drug resistance development that bactericide is compounded therewith, extends an important channel of its service life.
Due to the drug-fast generation of pathogen, it is necessary to continually develop new Pesticidal products to answer in agricultural production process
The characteristics of resisting the generation of the property of medicine, and develop novel pesticide active component and have cycle long, high cost, only lives by exploitation novel pesticide
Property composition be difficult to meet the demand of agricultural sustainable development, by contrast, exploitation with research efficiently, the compounding of low toxicity, low-residual
There is small investment with mixture kind, the characteristics of the cycle is relatively short, therefore, domestic and international researcher increases develop dynamics one after another.
At present, it is not yet found that the relevant report compounded on iprovalicarb and captan.
The content of the invention
Based on object above, the invention provides a kind of prevention effect it is good, cost is relatively lower, pathogen can be delayed to resist
The synergetic pesticide composition that the property of medicine is produced.
Application another object of the present invention is to provide the composition pesticide, the composition pesticide is to various crop
The preventing and treating of disease shows obvious synergistic function, composition pesticide of the invention be preferred for preventing and treating Cereal, vegetables,
The oomycetes disease such as downy mildew, epidemic disease of the crops such as fruit tree, rape.
Iprovalicarb and captan are cooperative effective quantities in composition pesticide of the invention, it is however generally that, the agricultural chemicals
The weight ratio of iprovalicarb and captan is 10 in composition:1-1:60.
Further, in the composition pesticide iprovalicarb and captan weight ratio preferably 5:1-1:20.
Further, in composition pesticide of the invention, the active component iprovalicarb and captan account for composition
Weight percentage is 10-90%, preferably 20-70%.
Further, in order to easy to use, composition pesticide of the invention can also add other agricultural in preparation process
Active component, including but not limited to adds other fungicides, insecticide, nematicide, kills harmful animal preparation, kills harmful
Weeds agent, synergist, safener, fertilizer etc..
Further, composition pesticide of the invention can be by by active component and auxiliary agent, solvent and/or other carriers
Any one type of preparation used in suitable agricultural production is prepared by mixing into, the type of preparation is included but is not limited to, missible oil, can
WP, suspending agent, water dispersible granules, microemulsion, aqueous emulsion etc..
Further, composition pesticide of the invention can be according to the property of composition, the species of formulation difference, preventing and treating mesh
, the preventing and treating difference such as environment, can select composition to spray, soak, atomizing, broadcast sowing, the mode such as pouring root is applied.
Further, the active component in composition pesticide of the invention can be so that separately, sequentially or simultaneously mode be combined
Using the reactive compound.
Compared with prior art, composition pesticide of the invention has the beneficial effect that：
1st, composition pesticide of the present invention with iprovalicarb and captan as active ingredient is compounded in certain ratio each other
In the range of have obvious synergistic effect.
2nd, the active component mechanism of action is different in the composition pesticide containing iprovalicarb and captan of the invention,
Both can delay the drug-fast generation of pathogen at use, be conducive to extending the service life of pesticide activity component, meet agricultural
The demand of sustainable development.
3rd, the composition pesticide prevention effect containing iprovalicarb and captan of the invention is good, low cost.
4th, the composition pesticide containing iprovalicarb and captan of the invention is to crop safety, to beneficial natural enemy without bad
Influence.
Specific embodiment
In order that the purpose of the present invention, technical scheme and advantage are more explicit, below with the side of specific embodiment
The present invention will be described for formula, it will be appreciated that the invention is not restricted to following examples.
First, toxicity is determined
Assays Example：Iprovalicarb and captan compound the Toxicity Determination to cucumber downy mildew
Subjects：Bacterium of downy mildew of cucumber
Experiment is determined using pot-culture method.The consistent two panels leaf period cucumber seedling of growth is chosen, each treatment is from 10 basins for examination melon
Seedling, numbers standby.Sprayed under 50PSI pressure with Potter spray towers, per basin 5mL.Each medicament sets 6 concentration gradients,
It is blank with the treatment for spraying equivalent clear water.24 hours spray inoculation cucumber downy mildew germ spore suspensions after chemicals treatment
Liquid, the compound method of spore suspension is as follows：The downy mildew leaf for picking up from field is taken, the distillation for dipping 10 DEG C or so with writing brush is washed
The spore at the lower back side, it is 3 × 10 to be made into concentration5The spore suspension of individual/mL.It is outstanding in spray inoculation spore after chemicals treatment 24h
Supernatant liquid, (relative humidity 100%, 15~20 DEG C of temperature) culture is placed in growth cabinet after inoculation by cucumber seedling, is kept after 24h
15~24 DEG C of temperature, the moisturizing of relative humidity 90% or so induction, investigate after 10d and record incidence, calculate disease index and prevent
Control effect.Concentration EC in suppressing is calculated with least square method50, then calculate co-toxicity coefficient (CTC) according to the abundant methods of Sun Yun.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.
Actual measurement toxicity index (ATI)=(standard agent EC50/ reagent agent EC50)×100
In theoretical toxicity index (TTI)=A medicament toxicity index × mixture in the percentage composition+B medicament toxicity index × mixture of A
The percentage composition of B
Co-toxicity coefficient (CTC)=[mixture surveys toxicity index (ATI)/mixture theoretical toxicity index (TTI)] × 100
Toxicity Determination the results are shown in Table 1.
As can be seen from the table, the result of the test of iprovalicarb and captan different proportion mixture shows, iprovalicarb and gram bacterium
Pellet is 10:1-1:Certain synergy is shown in the range of 60, wherein, it is 5 with both compound proportions:1-1:When 20, altogether
Malicious coefficient is more than 150, and synergistic function is relatively more preferable；And when both compound proportions are 11:When 5, synergistic function
It is best.
2nd, example of formulations
1st, embodiment 1:46% iprovalicarb captan wettable powder（1:1）
Iprovalicarb 23%
Captan 23%
Alkylbenzenesulfonate 4%
Sodium lignin sulfonate 4%
Lauryl sodium sulfate 6%
Kaolin surplus
The preparation method of the wettable powder is：By iprovalicarb, captan, various auxiliary agents and filler etc. by the ratio being formulated
Example is well mixed, through ultra-fine pulverizer disintegrating after, you can wettable powder of the present invention is obtained.
2nd, embodiment 2:48% iprovalicarb captan water dispersible granule（11:5）
Iprovalicarb 33%
Captan 15%
Dialkyl group Succinate sodium sulfonate salt 5%
Polycarboxylate 4%
Dispersant MF -5 2%
Ammonium sulfate 3%
Arabic gum 1%
Diatomite surplus
The preparation method of the water dispersible granules is：Mixing is equal during above-mentioned each material is added into cone-type mixer together by proportioning
It is even, to be crushed by airslide disintegrating mill, the material after crushing mixes through cone-type mixer again, and mixed fineness of materials 98% passes through
400 mesh standard sieves, plasticity material is kneaded into addition kneader, finally is put into be extruded in Squeezinggranulator by this material and is made
Grain, water dispersible granules of the present invention are obtained after granulation after drying, screening.
3rd, embodiment 3:24% iprovalicarb captan suspending agent（1:5）
Iprovalicarb 4%
Captan 20%
Dibutyl naphthalenesulfonic acid salt 2%
Lignosulfonates 2%
Polyoxyethylene ether phosphate 1%
Aluminium-magnesium silicate 0.5%
Organic silicone 0.5%
Ethylene glycol 2%
Deionized water surplus
The preparation method of the suspending agent is：According to formula by active ingredient, wetting agent, defoamer, antifreeze and deionized water
It is well mixed, after being well mixed through sand mill, add aluminium-magnesium silicate to continue well mixed, you can suspension of the present invention is obtained
Agent.
4th, embodiment 4:42% iprovalicarb captan missible oil（1:20）
Iprovalicarb 2%
Captan 40%
Acetone 8%
Cyclohexanone 6%
AEO 4%
Calcium dodecyl benzene sulfonate 6%
1- tetradecanols 8%
Solvent naphtha surplus
The preparation method of the missible oil is：By above-mentioned formula by active ingredient, auxiliary agent, stirring solvent into transparent and homogeneous phase, i.e.,
Missible oil of the present invention can be obtained.
3rd, field control effectiveness test
Field information embodiment：Iprovalicarb and captan compound the field control effectiveness test to cucumber downy mildew
In order to further verify the practical application effect of the complex composition containing iprovalicarb and captan of the invention, application
The composition pesticide of embodiment of the present invention 1-4 carries out preventing and treating cucumber downy mildew field control effectiveness test, with 15% iprovalicarb missible oil and
50% captan wettable powder is comparison medicament, and test site is arranged in Shouguang City of Shandong Province somewhere green house of vegetables, and screening is full
Full cucumber seeds, vernalization to show money or valuables one carries unintentionally when be seeded in during the paper of a diameter of 10 cm broadcasts, culture to transplanting rice greenhouse during 2 needles
In, normal cultivation management, when cucumber it is long to 10 needles when the preparation of embodiment 1-4 and contrast single dose is watered after uniform sprinkling
On the positive and negative of cucumber leaves；Chemical agent and blank clear water processing method are identical with the former.20 cucumber are often processed,
It is repeated 4 times, random alignment.Sprinkling 1 day after, spray inoculation bacterium of downy mildew of cucumber, after inoculation control greenhouse temperature 20-24 DEG C it
Between, humidity 80-90%；Incidence is investigated when clear water blank is fully fallen ill and after falling ill 7 days, and calculates disease index
And preventive effect.Result of the test is as shown in table 2：
Field control effectiveness test result shows that synergistic effect substantially, is prevented cucumber downy mildew after iprovalicarb and captan compounding
Effect is controlled significantly better than single dose；And, preventing and treating longer to the preventing and treating lasting period of cucumber downy mildew after iprovalicarb and captan compounding
Effect is more preferable.In addition, being observed in scope of medication to whether crops have poisoning, as a result show, agricultural chemicals group of the invention
After compound dispenser, plant growth is vigorous, without poisoning and other harmful effects.
To sum up, the bactericidal composition prevention effect containing iprovalicarb and captan of the invention is good, and the lasting period is long, Liang Zhefu
With that can reduce pesticide activity component usage amount, improve prevention effect, meet the requirement of agricultural sustainable development.
Claims (10)
1. a kind of composition pesticide, it is characterised in that active ingredient includes iprovalicarb and captan.
2. composition pesticide according to claim 1, it is characterised in that the weight of active ingredient iprovalicarb and captan
Than being 10:1-1:60 .
3. composition pesticide according to claim 1 and 2, it is characterised in that the weight of the iprovalicarb and captan
Than being preferably 5:1-1:20 .
4. composition pesticide according to claim 1 and 2, it is characterised in that the active component iprovalicarb and gram bacterium
The weight percentage that pellet accounts for composition is 10-90%.
5. composition pesticide according to claim 4, it is characterised in that the active component iprovalicarb and captan are accounted for
The weight percentage of composition is preferably 20-70%.
6. composition pesticide according to claim 1 and 2, it is characterised in that the formulation of the composition pesticide be missible oil,
In wettable powder, suspending agent, water dispersible granules, microemulsion, aqueous emulsion any one.
7. composition pesticide according to claim 1 and 2, it is characterised in that can also contain it in the composition pesticide
Its agricultural active composition.
8. composition pesticide according to claim 7, it is characterised in that described other agricultural active compositions include but do not limit
In other fungicides, insecticide, nematicide, kill harmful animal preparation, kill injurious weed agent, synergist, safener, fertilizer
Material.
9. the composition pesticide according to any one of claim 1-8 claim is used to prevent and treat the use of corps diseases
On the way.
10. according to power require 9 described in composition pesticide, it is characterised in that the corps diseases are preferably oomycetes disease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710290152.3A CN106879615A (en) | 2017-04-28 | 2017-04-28 | Bactericidal composition and its application containing iprovalicarb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710290152.3A CN106879615A (en) | 2017-04-28 | 2017-04-28 | Bactericidal composition and its application containing iprovalicarb |
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| CN106879615A true CN106879615A (en) | 2017-06-23 |
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| CN201710290152.3A Pending CN106879615A (en) | 2017-04-28 | 2017-04-28 | Bactericidal composition and its application containing iprovalicarb |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102150674A (en) * | 2010-12-15 | 2011-08-17 | 陕西韦尔奇作物保护有限公司 | Bactericidal composition containing captan |
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2017
- 2017-04-28 CN CN201710290152.3A patent/CN106879615A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102150674A (en) * | 2010-12-15 | 2011-08-17 | 陕西韦尔奇作物保护有限公司 | Bactericidal composition containing captan |
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