CN109699655A - A kind of composition pesticide of fluorine-containing thiazole pyrrole ethyl ketone and benziothiazolinone - Google Patents
A kind of composition pesticide of fluorine-containing thiazole pyrrole ethyl ketone and benziothiazolinone Download PDFInfo
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- CN109699655A CN109699655A CN201711018932.9A CN201711018932A CN109699655A CN 109699655 A CN109699655 A CN 109699655A CN 201711018932 A CN201711018932 A CN 201711018932A CN 109699655 A CN109699655 A CN 109699655A
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- benziothiazolinone
- ethyl ketone
- thiazole pyrrole
- composition
- pyrrole ethyl
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Abstract
The present invention relates to a kind of composition pesticides comprising fluorine thiazole pyrrole ethyl ketone and benziothiazolinone, the weight ratio of two kinds of effective component is 1-90:90-1, the weight percentage of effective component is 1-70%, preferably 5-60% in fungicide, remaining is the auxiliary agent and carrier allowed in pesticide.Composition of the invention has apparent synergistic effect, can reduce Pesticide use amount, environmentally friendly safety.
Description
Technical field
The invention belongs to technical field of pesticide, and in particular to be a kind of fluorine-containing thiazole pyrrole ethyl ketone and benziothiazolinone pesticide group
Close object.
Background technique
Fluorine thiazole pyrrole ethyl ketone is the first piperidyl thiazole isoxazolines fungicide of E.I.Du Pont Company's research and development, has both protection and controls
Treat activity.Its target site is novel, and fluorine thiazole pyrrole ethyl ketone is to Oomycete on potato, grape, vegetables and other Featured crops
Disease has brilliant preventive effect, such as cucumber downy mildew, muskmelon downy mildew, downy mildew of garpe, Chinese cabbage downy mildew, tomato late blight, horse
Bell potato late blight, capsicum epidemic disease etc..Under extremely low dosage, fabulous protection and therapeutic activity can be shown, and holding effect is made
It makes good use of.
Benziothiazolinone (benziothiazolinone) is exclusively developed by Shaanxi Xida Huate Science & Technology Industrial Co., Ltd.
The novel pesticide of one, China with intellectual property, have efficiently, wide spectrum, it is free from environmental pollution, have for fungal and bacterial diseases it is very strong
Inhibition toxic action, be widely used in prevention and treatment cucumber downy mildew, pear scab, apple scab, citrus anthracnose and vine black
The various bacterias such as acne disease and fungal disease.It is environmentally safe low toxicity, less-persistent pesticide.
Downy mildew caused by Oomycete, epidemic disease are the Common Diseases during the crop plantings such as vegetable and fruit, Oomycete
Caused disease is usually to occur after continuous moist and rainy weather caused by fungal infection, be most destructive disease
One of evil.This disease can occur from seedling to each stage is harvested, aggrieved heavier with strain.The morbidity of downy mildew caused by Oomycete is just
Phase forms light yellow subcircular to polygonal scab on blade face, and blade back generates the mould layer of white shape when there was dampness in the air, can spread to sometimes
Blade face.Later period scab is withered in flakes, is in yellowish-brown, whole siphonal lobe withered and yellow death when serious.Disease can cause 20% when serious~
40% production loss.
Inventor is found by experiment that, by the different benziothiazolinone of the mechanism of action and fluorine thiazole pyrrole ethyl ketone prevention and treatment Oomycete class disease
Harmful is bactericide compounded, it is active it is high, the mechanism of action is unique, systemic activity is good, the lasting period is long, to crop safety the features such as,
It is the oomycetes diseases pesticide control of significant.
Summary of the invention
Small, at low cost, good drug efficacy that the purpose of the present invention is to provide a kind of new resistance risks, the sterilization group of lasting period length
Close object.
To realize above-mentioned technical problem, the present invention adopts the following technical scheme:
A kind of composition pesticide containing fluorine thiazole pyrrole ethyl ketone and benziothiazolinone, the fluorine thiazole pyrrole ethyl ketone and benziothiazolinone weight ratio
For 1-90:90-1, further preferably 1-10:10-1.
Further, the mass percent that active constituent accounts for composition in the composition pesticide is 1-70%, preferably 5-
60%。
Further, the bactericidal composition and known auxiliary agent and excipient are re-dubbed the dosage form allowed on pesticide.Example
It such as can be missible oil, wettable powder, aqueous emulsion, microemulsion, water dispersible granules, dispersible oil-suspending agent, can be dispersed suspending agent
Finish, dispersible agent, solvable pulvis, soluble granule, microcapsule suspending agent, suspoemulsion, liquor, finish, micro-capsule suspoemulsion, oil are outstanding
Any one in floating agent.These preparations can be prepared by general method, for example, by active material and liquid solvent or solid carrier
Mixing, while surfactant such as emulsifier, dispersing agent, stabilizer, wetting agent is added, while adhesive can also be added, disappear
Infusion, oxidant, dyestuff etc..The production technology of the various application forms of the composition pesticide is existing already known processes,
Details are not described herein.
Composition pesticide of the invention has downy mildew, epidemic disease, the balck shank on the crops such as veterinary antibiotics, melon, tobacco
There is excellent preventive effect.
Compared with prior art, the invention has the benefit that
1, since two single dose chemical structures of this composition are widely different, the mechanism of action is entirely different, and cross resistance is not present,
It can delay two single doses that generated resistance problem is used alone;2, mixed composition has good synergistic effect, can reduce medicine
Agent usage amount reduces use cost and environmental pollution, improves the safety to crop.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, present invention following specific embodiments
It is illustrated, but the present invention is limited to absolutely not these examples.The following is only the preferred embodiment of the present invention, is used only for explaining
The present invention, but cannot be therefore understands that being limitations on the scope of the patent of the present invention.It should be pointed out that it is all in spirit of the invention and
Made any modification, equivalent replacement or improvement etc., should all be included in the protection scope of the present invention within principle, therefore,
The scope of protection of the patent of the invention shall be subject to the appended claims.
One, example of formulations
The content of present invention is described further below with reference to embodiment, the effective component in example of formulations is weight after folding hundred
Amount.
One 13% fluorine thiazole pyrrole ethyl ketone benziothiazolinone suspending agent of example of formulations
Weigh 8% benziothiazolinone, 5% fluorine thiazole pyrrole ethyl ketone, 8% pull open powder, 5% alkylsulfonate, 30 grams of tea seed cake powder, 1% xanthan gum,
0.8% isothiazolinone, 8% silicone oil, 1% urea, deionized water add to 100%.Above-mentioned raw materials are through mixing, high speed shear dispersion
30min is sanded with sand mill to partial size D9013% benziothiazolinone fluorine thiazole pyrrole ethyl ketone suspending agent is made after less than 10 microns.
2 14% fluorine thiazole pyrrole ethyl ketone benziothiazolinone water dispersion granule of example of formulations
Weigh 10% benziothiazolinone, 4% fluorine thiazole pyrrole ethyl ketone, 7% lignosulfonates, 5% naphthalene sulfonate, 8% polyvinylpyrrolidone,
0.8% glucose, white carbon black complement to 100%.The method i.e. mixing, ultra micro air-flow of the frequent regulation water intaking dispersible granule of above-mentioned raw materials
It crushes, mix, granulation step produces 14% benziothiazolinone fluorine thiazole pyrrole ethyl ketone water dispersible granules.
3 9% fluorine thiazole pyrrole ethyl ketone benziothiazolinone wettable powder of example of formulations
Weigh 6% benziothiazolinone, 3% fluorine thiazole pyrrole ethyl ketone, 10% alkylphenol polyoxyethylene ether sulfonate, 6% alkyl sulfate, 20%
Diatomite, white carbon black are supplied.Above-mentioned raw materials are prepared into 9% fluorine thiazole pyrrole second through mixing, ultra micro air-flow crushing, hybrid technique step
Ketone benziothiazolinone wettable powder.
Oil-suspending agent can be dispersed in 4 10% fluorine thiazole pyrrole ethyl ketone benziothiazolinone of example of formulations
Weigh 8% benziothiazolinone, 2% fluorine thiazole pyrrole ethyl ketone, 6%TERSPERSE 2020,7% Nongru-700 #, 4% alkylphenol-polyethenoxy
Ether phosphate, 1% aluminium-magnesium silicate, 0.7% glycerol, methyl oleate complement to 100%.Above-mentioned raw materials are through mixing, high speed shear dispersion
30min is sanded with sand mill to partial size D9010% benziothiazolinone fluorine thiazole pyrrole ethyl ketone suspending agent is made after less than 10 microns.
5 11% fluorine thiazole pyrrole ethyl ketone benziothiazolinone aqueous emulsion of example of formulations
Weigh 8% benziothiazolinone, 3% fluorine thiazole pyrrole ethyl ketone, 4% triphenoethyl benzene phenol polyethenoxy ether phosphate, 5% Tween-60 #, 9%
Dimethylbenzene, 3% triphenyl phosphite, 1% urea, 1% bentonite, 0.5% benzoic acid, deionized water add to 100%.Above-mentioned raw materials warp
Then mixing uses high shear emulsifying.Under the conditions of 2500 revs/min of revolving speed, 1 hour is persistently stirred i.e. up to fineness and various
Material dissolution is uniformly mixed to obtain finished product.
6 12% fluorine thiazole pyrrole ethyl ketone benziothiazolinone suspending agent of example of formulations
Weigh 6% benziothiazolinone, 6% fluorine thiazole pyrrole ethyl ketone, 10% alkylphenol polyoxyethylene ether sulfonate, 6% alkylnaphthalene sulfonate, 3%
Carboxyethyl cellulose, 0.5% potassium sorbate, 0.8% silicone oil, 1% urea, bentonite are supplied.Above-mentioned raw materials are through mixing, high speed shear
Disperse 30min, is sanded with sand mill to partial size D9012% benziothiazolinone fluorine thiazole pyrrole ethyl ketone suspending agent is made after less than 10 microns.
Two, raw to survey embodiment
2.1, the indoor toxicity test of the test example prevention and treatment late blight of potato and field efficacy are tested
2.1.1 indoor toxicity test
Mixture is combined to the definite virulence of the late blight of potato in order to understand benziothiazolinone with fluorine thiazole pyrrole ethyl ketone, and the present invention is for it
Proportion is screened.
Subjects: the late blight of potato
Test site: near Yunnan Province, Songming County, Kunming
Test method: referring to " NYT1156.2-2006 farm-chemical indoor determination test rule fungicide part 2: inhibition disease
Fungal pathogens mycelia growth test Plating " it carries out.
With phytophthora infestans (Phytophthorainfestans) it is for trying pathogen.Morbidity leaf is acquired from field
Piece, laboratory isolate and purify, and are seeded on oat medium and cultivate, and culture to colony diameter is spare up to 6cm or so.Oat culture
It is spare after the sterilizings such as base, deionized water, scribing line triangular flask, culture dish, pipette tips, punch, inoculator.In aseptic technique
Under, the sterilising medium that preparatory thawing is cooled to about 50 DEG C is quantitatively adding in sterilizing scribing line triangular flask, culture medium and scribing line are made
Locate (60mL) concordantly, 600 μ L medical fluids are then successively drawn from low concentration to high concentration, are separately added into above-mentioned triangular flask, sufficiently
It shakes up, rear equivalent is poured into 4 culture dishes (Φ 9cm), and 5 concentration gradient band medicine plates are made.And set the processing without medicament
Make blank control.Will on culture medium cultured pathogen, aseptically with sterilization punchers (Φ 5mm) from bacterium colony side
Bacteria cake is cut on the same circumference of edge, with inoculator by pure culture biscuits involvng inoculation in drug containing tablet center, mycelia is face-down, ware lid is covered, in
Dark culturing in 19 DEG C of incubators.According to hypha growth condition in blank control ware, with calliper to measure colony diameter.Each bacterium colony
Using crossing method vertical measurement, its average value is taken, calculates inhibiting rate according to the following equation, and soft by DPS data statistics
Part calculates each chemicals treatment to virulence regression equation, related coefficient, EC50And compounding co-toxicity coefficient.Mycelia is used indoors
Growth rate method, EC of the measurement different agents to bacterial strain50, using co-toxicity coefficient calculation method, calculate the co-toxicity coefficient of mixture
(CTC), the building performance of mixture is determined, circular is as follows:
(EC is generally selected using certain in mixture-single dose as standard agent50Junior), it is calculated:
Single dose toxicity index=standard agent EC50/ certain single dose EC50×100
Theoretical toxicity index=A single dose toxicity index × A single dose proportion+B single dose in mixture toxicity index × B is mono-
Agent is in mixture proportion
Survey toxicity index=standard single dose EC50Value/mixture EC50Value × 100
Co-toxicity coefficient=survey toxicity index/theoretical toxicity index × 100
Co-toxicity coefficient classification: mixture has synergetic when CTC is greater than 120, is antagonism when CTC is less than 80, CTC is 80 ~ 120
Between be summation action.
Use embodiment 1-6 fluorine thiazole pyrrole ethyl ketone (A) and benziothiazolinone (B) with different ratio to the late blight of potato in table 1
Indoor biometrics experiment, as shown in Table 1, composition co-toxicity coefficient of the invention is all larger than 120, i.e., the present composition have compared with
Good synergetic, effect are better than single dose kind.
2.1.2, field control effectiveness test
Test process: the difference of each ingredient of this experimental evidence sets two medicaments dosage respectively, and dosing is that effective component is new
The quality of product (A) and benziothiazolinone (B) and.Comparison medicament is that oil-suspending agent and 3% thiophene can be dispersed in 10% fluorine thiazole pyrrole ethyl ketone respectively
Mould ketone suspending agent and blank clean water experiment.
Test method: each plot area is 66.7m2, it is repeated 3 times;Investigation drug effect side after investigating and prevent and treat before application
Method are as follows: 5 points of grab sample in test process area, it is conventional spraying.Spraying equipment bodyguard's WS-16 type hand sprayer, circular cone
Fog spray head is spraying, operating pressure 0.2-0.4MPa, flow 0.65-0.88L/min.
10 plants of strain investigation, every plant of 10 leaf of investigation top are separated per small.Grade scale:
0 grade: complete stool blade disease-free spot；
1 grade: having individual scabs on individual blades；
3 grades: the blade below of complete stool 1/4 has scab or plant top stem to have individual small scabs；
5 grades: the blade of complete stool 1/4-1/2 has scab or plant top stem to have typical scab；
7 grades: the blade of 1/2 or more complete stool has on scab or plant middle and lower part stem and has larger scab；
9 grades: complete stool blade nearly all has scab, or most of blade is withered or even stem is withered.
Drug effect calculation method
Test result see the table below:
Field efficacy the result shows that, as shown in Table 2, the present composition has obvious synergistic function, composition it is anti-
Excellent effect is controlled, control efficiency is better than single dose kind, has application value in agricultural application.
2.2, the indoor toxicity test of test example prevention and treatment tobacco black shank and field efficacy are tested
2.2.1 indoor toxicity test
Mixture is combined to the definite virulence of tobacco black shank in order to understand benziothiazolinone with fluorine thiazole pyrrole ethyl ketone, and the present invention matches it
Than being screened.
Prepared 20000 μ g/mL benziothiazolinone and 15 μ L of fluorine thiazole pyrrole ethyl ketone composition are drawn with liquid-transfering gun, is added and melts
It is cooled in 50-60 DEG C of oat medium 150mL afterwards, is sufficiently mixed uniformly, measures 75mL with graduated cylinder and averagely pour into 3 cultures
In ware, then fallen culture medium flat plate is 2.000 μ g/mL containing concentration, and remaining culture medium adds 75mL, and drug containing oat is not cultivated
Base is sufficiently mixed uniformly, then is measured 75mL with graduated cylinder and averagely poured into 3 culture dishes, then fallen culture medium flat plate contains concentration
For original half, as 1.000 μ g/mL, successively gradient dilution be made into 2.000 respectively, 1.000,0.500,0.250,
0.120, the pastille culture medium of 0.062,0.031 and 0.016 μ g/mL.First will in strain inoculated to oat medium culture 4 ~
After 5d, is grown with the punch of diameter 7mm in culture medium edge mycelia and uniformly locate to beat to take bacterium disk, move on to each medicine prepared
On the oat medium plate center position of agent series of concentrations, every ware is a piece of, its one with mycelia is placed in training down
Base is supported, culture in 28 DEG C of insulating boxs is subsequently placed in.Start the growth diameter of measurement bacterium colony after 4d using crossing method.It makes each
Medicament finds out EC50 value and is compared to tobacco black shank mycelial growth inhibiting rate regression equation.Circular is such as
Under:
Using single dose a certain in mixture as standard agent, calculated:
Single dose toxicity index=standard agent EC50/ certain single dose EC50×100
Theoretical toxicity index=A single dose toxicity index × A single dose proportion+B single dose in mixture toxicity index × B is mono-
Agent is arranged in mixture institute's accounting
Survey toxicity index=standard single dose EC50Value/mixture EC50Value × 100
Co-toxicity coefficient=survey toxicity index/theoretical toxicity index × 100
Co-toxicity coefficient classification: mixture has synergetic when CTC is greater than 120, is antagonism when CTC is less than 80, CTC is 80 ~ 120
Between be summation action.
Use embodiment 1-6 fluorine thiazole pyrrole ethyl ketone (A) and benziothiazolinone (B) with different ratio to tobacco black shank in table 3
Indoor biometrics experiment, as shown in Table 31, composition co-toxicity coefficient of the invention are all larger than 120, i.e., the present composition have compared with
Good synergetic, effect are better than single dose kind.
2.2.2, field control effectiveness test
Test process: the difference of each ingredient of this experimental evidence sets two medicaments dosage respectively, and dosing is that effective component is new
The quality of product (A) and benziothiazolinone (B) and.Comparison medicament is that oil-suspending agent and 3% thiophene can be dispersed in 10% fluorine thiazole pyrrole ethyl ketone respectively
Mould ketone suspending agent and blank clean water experiment.
Test method: investigation and statistical method: the progress disease index investigation in 5,10,14 days after the 2nd application, every cell
5 points of samplings, every is investigated 8 plants, records total strain number, diseased plant number at different levels, calculates disease index.Grade scale are as follows:
0 grade, complete stool is disease-free；
1 grade, stem's scab is no more than the one third of stem girth, and individual blades are listless to wither；
3 grades, stem's scab is no more than the half of stem girth or the following blade of half is slightly wilting or lower part minority blade goes out
Existing scab；
5 grades, stem's scab is slightly wilting more than the half of stem girth or blade more than half；
7 grades, stem's scab is withered with blade around stem girth or 2/3rds；
9 grades, diseased plant whole blade is wilting or withered.Test result see the table below:
Field efficacy the result shows that, as shown in Table 4, the present composition has obvious synergistic function, composition it is anti-
Excellent effect is controlled, control efficiency is better than single dose kind, has application value in agricultural application.
Claims (7)
1. a kind of composition pesticide, which is characterized in that active constituent includes fluorine thiazole pyrrole ethyl ketone and benziothiazolinone.
2. composition pesticide according to claim 1, which is characterized in that the weight of the fluorine thiazole pyrrole ethyl ketone and benziothiazolinone
Than for 1-90:90-1.
3. a kind of bactericidal composition containing fluorine thiazole pyrrole ethyl ketone and benziothiazolinone, it is characterised in that: effective component is fluorine thiazole pyrrole
Ethyl ketone and benziothiazolinone, the parts by weight of fluorine thiazole pyrrole ethyl ketone and benziothiazolinone in the composition are as follows: 1 ~ 10:10 ~ 1, fluorine thiazole pyrrole second
The weight percent of ketone and benziothiazolinone weight summation in the composition is 5-60%.
4. composition pesticide described in any one of -2 claims according to claim 1, it is characterised in that: the pesticide combination
Object is aided with Pesticide formulation auxiliary element and is processed into any one dosage form for being suitble to agriculturally use.
5. composition pesticide according to claim 3, which is characterized in that the dosage form of the composition pesticide be missible oil, can
Wet powder, suspending agent, aqueous emulsion, microemulsion, water dispersible granules, dispersible oil-suspending agent, dispersible finish, dispersible
Agent, solvable pulvis, soluble granule, microcapsule suspending agent, suspoemulsion, liquor, it is any in finish in.
6. composition pesticide described in any one of -4 claims is used to prevent and kill off the purposes of corps diseases according to claim 1.
7. purposes according to claim 5, which is characterized in that the corps diseases are preferably tobacco black shank and Ma Ling
Potato late blight.
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| CN201711018932.9A CN109699655A (en) | 2017-10-26 | 2017-10-26 | A kind of composition pesticide of fluorine-containing thiazole pyrrole ethyl ketone and benziothiazolinone |
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| CN201711018932.9A CN109699655A (en) | 2017-10-26 | 2017-10-26 | A kind of composition pesticide of fluorine-containing thiazole pyrrole ethyl ketone and benziothiazolinone |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108294017A (en) * | 2018-02-08 | 2018-07-20 | 河北赛丰生物科技有限公司 | A kind of microbicide compositions of fluorine-containing thiazole pyrrole ethyl ketone and its application |
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| CN101969781A (en) * | 2007-10-23 | 2011-02-09 | 杜邦公司 | Fungicidal compounds and mixtures |
| CN107821404A (en) * | 2017-10-18 | 2018-03-23 | 陕西西大华特科技实业有限公司 | A kind of bactericidal composition and its application containing benziothiazolinone and fluorine thiazole pyrrole ethyl ketone |
| CN108338173A (en) * | 2017-08-08 | 2018-07-31 | 江苏辉丰农化股份有限公司 | A kind of bactericidal composition including benzoisothiazolinone class and fluorine thiazole pyrrole ethyl ketone |
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2017
- 2017-10-26 CN CN201711018932.9A patent/CN109699655A/en not_active Withdrawn
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| CN101969781A (en) * | 2007-10-23 | 2011-02-09 | 杜邦公司 | Fungicidal compounds and mixtures |
| CN104663674A (en) * | 2007-10-23 | 2015-06-03 | 杜邦公司 | Fungicidal Mixtures |
| CN108338173A (en) * | 2017-08-08 | 2018-07-31 | 江苏辉丰农化股份有限公司 | A kind of bactericidal composition including benzoisothiazolinone class and fluorine thiazole pyrrole ethyl ketone |
| CN107821404A (en) * | 2017-10-18 | 2018-03-23 | 陕西西大华特科技实业有限公司 | A kind of bactericidal composition and its application containing benziothiazolinone and fluorine thiazole pyrrole ethyl ketone |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108294017A (en) * | 2018-02-08 | 2018-07-20 | 河北赛丰生物科技有限公司 | A kind of microbicide compositions of fluorine-containing thiazole pyrrole ethyl ketone and its application |
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Application publication date: 20190503 |