CN109691458A - A kind of bactericidal composition containing Propamocarb and its application - Google Patents
A kind of bactericidal composition containing Propamocarb and its application Download PDFInfo
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- CN109691458A CN109691458A CN201710995607.1A CN201710995607A CN109691458A CN 109691458 A CN109691458 A CN 109691458A CN 201710995607 A CN201710995607 A CN 201710995607A CN 109691458 A CN109691458 A CN 109691458A
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- Prior art keywords
- propamocarb
- composition pesticide
- captan
- composition
- pesticide according
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having no bond to a nitrogen atom
- A01N47/04—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having no bond to a nitrogen atom containing >N—S—C≡(Hal)3 groups
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/10—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
- A01N47/12—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing a —O—CO—N< group, or a thio analogue thereof, neither directly attached to a ring nor the nitrogen atom being a member of a heterocyclic ring
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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 Propamocarb and its applications, its effective component includes Propamocarb and captan, wherein the weight ratio of Propamocarb and captan is 10:1-1:60, preferably 5:1-1:20, the weight percentage of active constituent is 10-90% in composition.Bactericidal composition of the invention can be configured to missible oil, wettable powder, suspending agent, water dispersible granules, microemulsion, any in aqueous emulsion.Bactericidal composition control efficiency of the invention is good, and the lasting period is long, and the two compounding can reduce pesticide activity component usage amount, improve control efficiency, meets 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 composition containing Propamocarb and captan
And its application, the bactericidal composition is for preventing and treating disease caused by corps diseases especially Oomycete pathogen.
Background technique
In crop planting and production process, crop is often infected by a variety of fungies or bacterium and obtains various diseases
Disease.Disease caused by Oomycete fungal occurs more generally, to cause very huge economic loss in crop planting.Such as downy mildew
It happens occasionally on many fruit trees, vegetables.Downy mildew is the important disease of one of gourd, fruit and vegetable production, each from seedling to harvest
There is generation in a stage, is caused harm with strain heavier.Main blade of causing harm, early stage form light yellow subcircular at most on blade face
Angular scab, blade back generates the mould layer of white shape when there was dampness in the air, can spread to blade face sometimes.Later period scab is withered in flakes, in yellowish-brown
Color, whole blade withered and yellow death when serious.Downy mildew is a kind of very strong disease of popularity, in the dish for not planting disease-resistant variety
Area, light then underproduction 30-40% when plant disease epidemic are serious to reach 70-80%, or even total crop failure.In the prevention and treatment of downy mildew, lead at this stage
Metalaxyl, M 9834, dimethomorph and some protective fungicides are relied on, these medicaments have produced because being used for a long time
Different degrees of drug resistance, causes control efficiency to decline.
Propamocarb is new type bactericide, belongs to hypotoxicity fungicide, and systemic fungicide has the work of protection and treatment concurrently
With using effect is obvious under the conditions of low temperature and high relative humidity.For rape, radish, eggplant, cucumber, Chinese cabbage, tomato, sunflower, watermelon, grass
The crops such as the certain kind of berries, first green onion, peach, cherry, flowers, grape prevent and treat gray mold and sclerotiniose and grey scab, blossom rot, brown rot, climing withered
Disease etc..
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 a variety of diseases of the crops such as apple, pears, strawberry, grape
Evil has the function of that control efficiency is good, phytotoxicity 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 by spraying, can also making seed treatment, infusion product after harvest, sowing is preceding or transplants preceding progress soil treatment.For
Ring spot, the scab, downy mildew, powdery mildew, anthracnose, grey mold for 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, still, sometimes and unsatisfactory in low rate of application.Its
There is preferable control efficiency to a variety of fungal diseases, but when preventing and treating bacterium and fungal disease simultaneously, seem insufficient.And
Captan applicating history is long, and many crops have produced drug resistance to it to a certain extent.Therefore, other are selected efficiently
It is to resist resistance, delaying drug resistance development, the important channel prolonged its service life that fungicide compounds therewith.
Due to the generation of pathogen drug resistance, in agricultural production process, need to continually develop new Pesticidal products to answer
The generation of pharmacological property is fought, and developing novel pesticide active constituent has the characteristics that the period is long, at high cost, it is only living by exploitation novel pesticide
Property ingredient be difficult to meet the needs of agricultural sustainable development, in contrast, exploitation with research efficiently, less toxic, low-residual compound
Have the characteristics that small investment, period are relatively short with mixed kind, therefore, domestic and international researcher increases developing efforts one after another.
Currently, it is not yet found that the relevant report compounded about Propamocarb and captan.
Summary of the invention
Based on object above, that the present invention provides a kind of control efficiency is good, cost is relatively lower, pathogen can be delayed anti-
The synergetic pesticide composition that pharmacological property generates.
Another object of the present invention is to provide the application of the composition pesticide, the composition pesticide is to various crop
The prevention and treatment of disease shows apparent 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.
Propamocarb and captan are cooperative effective quantities in composition pesticide of the invention, it is however generally that, the pesticide group
Closing the weight ratio of Propamocarb and captan in object is 10:1-1:60.
Further, the weight ratio of Propamocarb and captan is preferably 5:1-1:20 in the composition pesticide.
Further, in composition pesticide of the invention, the active constituent Propamocarb and captan account for the weight of composition
Amount percentage composition is 10-90%, preferably 20-70%.
Further, for ease of use, composition pesticide of the invention can also be added other agricultural during the preparation process
Active constituent is including but not limited to added other fungicides, insecticide, nematicide, kills harmful animal preparation, kills nocuousness
Weeds agent, synergist, safener, fertilizer etc..
Further, composition pesticide of the invention can be by by active constituent and auxiliary agent, solvent and/or other carriers
It is prepared by mixing into any type of preparation used in suitable agricultural production, the type of preparation includes but is not limited to, missible oil, can
Wet powder, suspending agent, water dispersible granules, microemulsion, aqueous emulsion etc..
Further, composition pesticide of the invention can be according to the property, the type of dosage form difference, prevention and treatment mesh of composition
, the prevention and treatment differences such as environment, can choose composition to be sprayed, immersion, atomizing, broadcast sowing, applied in a manner of pouring root etc..
Further, the active constituent in composition pesticide of the invention can by separate, sequentially or simultaneously in a manner of combine
Apply the reactive compound.
Compared with prior art, composition pesticide of the invention has the beneficial effect that
1, the present invention is compounded between each other using Propamocarb and captan as the composition pesticide of effective component in certain ratio model
There is apparent synergistic effect in enclosing.
2, the active constituent mechanism of action is different in the composition pesticide of the invention containing Propamocarb and captan, and two
Person is conducive to extend the service life of pesticide activity component using the generation that can delay pathogen drug resistance, and meeting agricultural can
The demand of sustainable development.
3, the composition pesticide control efficiency of the invention containing Propamocarb and captan is good, at low cost.
4, the composition pesticide of the invention containing Propamocarb and captan is to crop safety, to beneficial natural enemy without bad shadow
It rings.
Specific embodiment
In order to keep the purpose of the present invention, technical solution and advantage more explicit, below with the side of specific embodiment
The present invention will be described for formula, it should be understood that the present invention is not limited to following embodiments.
One, toxicity measures
Assays Example: Propamocarb and captan compound the indoor toxicity test to cucumber downy mildew
Subjects: bacterium of downy mildew of cucumber
Test 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 is numbered spare.Spraying under 50PSI pressure, every basin 5mL with Potter spray tower.6 concentration gradients are arranged in each medicament,
To spray the processing of equivalent clear water as blank control.24 hours spray inoculation cucumber downy mildew germ spore suspensions after chemicals treatment
The preparation method of liquid, spore suspension is as follows: taking the downy mildew leaf for picking up from field, is washed with the distillation that writing brush dips 10 DEG C or so
The spore at the lower back side is made into the spore suspension that concentration is 3 × 105/mL.In chemicals treatment, rear spray inoculation spore is outstanding for 24 hours
Cucumber seedling is placed in growth cabinet (relative humidity 100%, 15~20 DEG C of temperature) culture after inoculation, kept afterwards for 24 hours by supernatant liquid
15~24 DEG C of temperature, 90% or so moisturizing of relative humidity induce, and incidence is recorded in investigation after 10d, calculate disease index and anti-
Control effect.Concentration EC50 in inhibiting is calculated with least square method, then calculates co-toxicity coefficient (CTC) according to Sun Yunpei's Method.As CTC <
80, then composition shows as antagonism, and 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.
As can be seen from the table, the test result of Propamocarb and captan different proportion mixture shows Propamocarb and gram bacterium
Pellet shows certain synergistic effect in the range of 10:1-1:60, wherein with the two compound proportion be 5:1-1:20 when, altogether
For malicious coefficient 150 or more, synergistic function is relatively more preferable；And when the two compound proportion is 11:5, synergistic function
It is best.
Two, example of formulations
1, embodiment 1:46% Propamocarb captan wettable powder (1:1)
Propamocarb 23%
Captan 23%
Alkylbenzene sulfonate 4%
Sodium lignin sulfonate 4%
Lauryl sodium sulfate 6%
Kaolin surplus
The wettable powder the preparation method comprises the following steps: by Propamocarb, captan, various auxiliary agents and filler etc. in formula ratio
It is uniformly mixed, after ultra-fine pulverizer disintegrating, can be prepared by wettable powder of the present invention.
2, embodiment 2:48% Propamocarb captan water dispersible granule (11:5)
Propamocarb 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 water dispersible granules mix the preparation method comprises the following steps: above-mentioned each material is added in cone-type mixer together according to the ratio
It is even, it is crushed by airslide disintegrating mill, smashed material is mixed through cone-type mixer again, and mixed fineness of materials 98% passes through
400 mesh standard sieves are added in kneader and are kneaded into plasticity material, finally are put into squeeze in Squeezinggranulator by this material and make
Grain, obtains water dispersible granules of the present invention after drying, screening after granulation.
3, embodiment 3:24% Propamocarb captan suspending agent (1:5)
Propamocarb 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 suspending agent the preparation method comprises the following steps: according to formula by effective component, wetting agent, defoaming agent, antifreeze and deionized water
It is uniformly mixed, after mixing through sand mill, aluminium-magnesium silicate is added and continuess to mix uniformly, can be prepared by suspension of the present invention
Agent.
4, embodiment 4:42% Propamocarb captan missible oil (1:20)
Propamocarb 2%
Captan 40%
Acetone 8%
Cyclohexanone 6%
Fatty alcohol polyoxyethylene ether 4%
Calcium dodecyl benzene sulfonate 6%
1- tetradecanol 8%
Solvent naphtha surplus
The missible oil the preparation method comprises the following steps: by above-mentioned formula by effective component, auxiliary agent, stirring solvent at homogeneous and transparent phase, i.e.,
Missible oil of the present invention can be made.
Three, field control effectiveness test
Field information embodiment: Propamocarb 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 of the invention containing Propamocarb and captan, using this
The composition pesticide of inventive embodiments 1-4 carries out prevention and treatment cucumber downy mildew field control effectiveness test, with 66.5% Propamocarb aqua and
50% captan wettable powder is comparison medicament, and test site is arranged in Shouguang City, Shandong Province somewhere green house of vegetables, and screening is full
Full cucumber seeds, vernalization are broadcast to the paper that diameter is 10 cm is seeded in when showing money or valuables one carries unintentionally, transplanting rice greenhouse when culture to 2 needles
In, normal cultivation management uniformly sprays after being watered the preparation of embodiment 1-4 and comparison single dose when cucumber length to 10 needles
On the front and back sides of cucumber leaves；Chemical agent and blank control clear water processing method are identical as the former.20 cucumber of every processing,
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%；After investigate incidence when clear water blank control is sufficiently fallen ill and after morbidity 7 days, and calculate disease index
And preventive effect.Test result is as shown in table 2:
| Treatment agent | Extension rate | 3 days preventive effects (%) after medicine | 7 days preventive effects (%) after medicine |
| Embodiment 1 | 3000 times | 87.62 | 92.13 |
| Embodiment 2 | 3000 times | 88.75 | 92.46 |
| Embodiment 3 | 4000 times | 88.96 | 92.57 |
| Embodiment 4 | 2000 times | 86.78 | 93.19 |
| 66.5% Propamocarb aqua | 2000 times | 78.21 | 68.25 |
| 50% captan wettable powder | 2000 times | 76.53 | 63.38 |
Synergistic effect is obvious after field control effectiveness test result shows Propamocarb and captan compounding, the prevention and treatment to cucumber downy mildew
Effect is significantly better than single dose；And, control efficiency longer to the prevention and treatment lasting period of cucumber downy mildew after Propamocarb and captan compounding
More preferably.In addition, whether observation has phytotoxicity to crops in scope of medication, the results showed that, composition pesticide of the invention
After application, plant growth is vigorous, without phytotoxicity and other adverse effects.
To sum up, the present invention contains Propamocarb and the bactericidal composition control efficiency of captan is good, and the lasting period is long, the two compounding
Pesticide activity component usage amount can be reduced, improve control efficiency, meet the requirement of agricultural sustainable development.
Claims (10)
1. a kind of composition pesticide, which is characterized in that effective component includes Propamocarb and captan.
2. composition pesticide according to claim 1, which is characterized in that the weight ratio of effective component Propamocarb and captan
For 10:1-1:60.
3. composition pesticide according to claim 1 or 2, which is characterized in that the weight ratio of the Propamocarb and captan
Preferably 5:1-1:20.
4. composition pesticide according to claim 1 or 2, which is characterized in that the active constituent Propamocarb and captan
The weight percentage for accounting for composition is 10-90%.
5. composition pesticide according to claim 4, which is characterized in that the active constituent Propamocarb and captan account for group
The weight percentage for closing object is preferably 20-70%.
6. composition pesticide according to claim 1 or 2, which is characterized in that the dosage form of the composition pesticide be missible oil,
It is wettable powder, suspending agent, water dispersible granules, microemulsion, any in aqueous emulsion.
7. composition pesticide according to claim 1 or 2, which is characterized in that can also contain it in the composition pesticide
Its agricultural active ingredient.
8. composition pesticide according to claim 7, which is characterized in that other agricultural active ingredients include but unlimited
In other fungicides, insecticide, nematicide, kills harmful animal preparation, kills injurious weed agent, synergist, safener, fertilizer
Material.
9. composition pesticide described in any one of -8 claims is used to prevent and treat the use of corps diseases according to claim 1
On the way.
10. the composition pesticide according to weighing and require 9, which is characterized in that the corps diseases are preferably oomycetes disease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710995607.1A CN109691458A (en) | 2017-10-23 | 2017-10-23 | A kind of bactericidal composition containing Propamocarb and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710995607.1A CN109691458A (en) | 2017-10-23 | 2017-10-23 | A kind of bactericidal composition containing Propamocarb and its application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109691458A true CN109691458A (en) | 2019-04-30 |
Family
ID=66226027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710995607.1A Pending CN109691458A (en) | 2017-10-23 | 2017-10-23 | A kind of bactericidal composition containing Propamocarb and its application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109691458A (en) |
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2017
- 2017-10-23 CN CN201710995607.1A patent/CN109691458A/en active Pending
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Application publication date: 20190430 |