CN109392915A - A kind of bactericidal composition containing nitrile pyrrole mite ester and propargite - Google Patents
A kind of bactericidal composition containing nitrile pyrrole mite ester and propargite Download PDFInfo
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- CN109392915A CN109392915A CN201710700344.7A CN201710700344A CN109392915A CN 109392915 A CN109392915 A CN 109392915A CN 201710700344 A CN201710700344 A CN 201710700344A CN 109392915 A CN109392915 A CN 109392915A
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- propargite
- nitrile pyrrole
- mite ester
- pyrrole mite
- bactericidal composition
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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
- A01N41/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom
- A01N41/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom containing a sulfur-to-oxygen double bond
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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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
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- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
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- General Health & Medical Sciences (AREA)
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Abstract
The present invention relates to a kind of bactericidal composition containing nitrile pyrrole mite ester and propargite, effective component is nitrile pyrrole mite ester and propargite binary built.Wherein the mass ratio of nitrile pyrrole mite ester and propargite is 1~40: 40~1, the mass parts ratio 1%~80% of effective component nitrile pyrrole mite ester and propargite in preparation, remaining is the auxiliary element for allowing to use and receive in pesticide, the dosage form of bactericidal composition of the present invention is missible oil, suspending agent, wettable powder, water dispersible granules, aqueous emulsion, microemulsion, is mainly used for preventing and treating downy mildew of garpe, late blight and all kinds of powdery mildews.
Description
Technical field
The present invention relates to technical field of pesticide compounding, more particularly to a kind of sterilization group containing nitrile pyrrole mite ester and propargite
Close object.
Background technique
Nitrile pyrrole mite ester (English common name: cyenopyrafen) is the novel pyrrole released by Nissan Chemical company in 2009
Azole acaricide, the mechanism of action is novel, and the insecticidal/acaricidal agent no interactions resistance with using now can be used for preventing and treating fruit tree, tealeaves
With all kinds of harmful mites on the crops such as vegetables.
Propargite is wide spectrum organosulfur acaricide, has special efficacy to adult mite and deutonymph, can be used for preventing and treating cotton, vegetables, apple,
The various harmful mites of citrus, tea, flowers and other crops, to most natural enemies securities.
Application chemical agent is the most effective means of controlling plant diseases.But it applies to long-term continuous high dose single
Chemical bactericide, the problems such as be easy to causeing the residual of medicament, environmental pollution and drug-resistant fungi to develop.Reasonable chemistry
It is bactericide compounded or it is mixed have expand fungicidal spectrum, improve control efficiency, extend the optimum period for applying fertilizer, reduce dosage, reduce phytotoxicity,
The positive features such as residual, the generation for delaying drug resistance of fungi and development are reduced, bactericide compounded is to solve above-mentioned ask
One of the maximally efficient method of topic.It is constantly soaring to develop new product fungicide price, and in contrast, exploitation with research efficiently,
Low toxicity, low-residual compounding and mixture have small investment, the lead time is short and is paid attention to both at home and abroad, one after another increasing develop
Dynamics.We filter out nitrile pyrrole mite ester and are compounded with propargite based on the indoor screening and field trials, have obvious
Synergistic effect.And about nitrile pyrrole mite ester with the bactericidal composition of propargite compounded and using it has not been reported so far.
Summary of the invention
Based on the above circumstances, it is an object of that present invention to provide a kind of new and effective pesticide sterilizing composites.It is mainly used for
Prevent and treat downy mildew of garpe, late blight and all kinds of powdery mildews.
The technical solution of the present invention is achieved by the following measures:
One kind containing nitrile pyrrole mite ester and propargite bactericidal composition, the effective component nitrile pyrrole mite ester and alkynes of the bactericidal composition
Mite spy's two-spot compounding, remaining is auxiliary element.Wherein in the Pesticidal combination effective component nitrile pyrrole mite ester and propargite matter
Amount than being 1~40: 40~1, the bactericidal composition of the present invention through toxicity test experimental verification, nitrile pyrrole mite ester and propargite
When mass ratio is 1~40: 40~1, synergistic effect is preferable.
The formulations of pesticide that the bactericidal composition of the present invention can be prepared are missible oil, suspending agent, wettable powder, moisture
Shot agent, aqueous emulsion, microemulsion.Wherein effective component nitrile pyrrole mite ester and propargite total quality in preparation account for entire preparation matter
The 1%~80% of amount, wherein toxicity and residues achieve a better balance when accounting for 15%~50%, cost is relatively low.
The specific embodiment for the formulations of pesticide that bactericidal composition of the present invention is configured to is as follows:
The bactericidal composition is cream preparation, the mass fraction of component are as follows: 1~40 part of ester of nitrile pyrrole mite；Propargite 1~
40 parts；10~30 parts of conventional emulsifier；20~50 parts of Conventional solvents；1~5 part of conventional synergist.The specific life of the cream preparation
Produce step be first will effective component nitrile pyrrole mite ester and propargite addition solvent in be completely dissolved after add emulsifier, synergist stirs
It is filling at homogeneous and transparent oily liquids after mixing uniformly, it can the missible oil preparation made into the composition of the present invention.
The bactericidal composition is suspending agent, the mass fraction of component are as follows: 1~40 part of ester of nitrile pyrrole mite；Propargite 1~40
Part；5~20 parts of dispersing agent；1~5 part of antifreezing agent；0.1~2 part of thickener；0.1~0.8 part of defoaming agent；0~10 part of penetrating agent；
0.1~5 part of pH adjusting agent；Water, surplus.The specific production stage of the suspending agent is first to mix other auxiliary agents, is cut at a high speed
Cut uniformly mixed, effective component nitrile pyrrole mite ester and propargite, abrading-ball 2~3 hours in ball crusher, which are added, makes a diameter exist
5mm is hereinafter, can be made into the aqueous suspension formulations of the present composition.
The bactericidal composition is wettable powder, the mass fraction of component are as follows: 1~40 part of ester of nitrile pyrrole mite；Propargite 1
~40 parts；3~10 parts of dispersing agent；1~5 part of wetting agent；Filler, surplus.The specific production stage of the wettable powder are as follows: by upper
It states formula to mix effective component nitrile pyrrole mite ester with propargite and dispersing agent, wetting agent and filler, uniformly stir in a stirring kettle
It mixes, is remixed after airslide disintegrating mill uniformly, that is, can be made into the wettable powder of the present composition.
The bactericidal composition is water dispersible granules, the mass fraction of component are as follows: 1~40 part of ester of nitrile pyrrole mite；Propargite 1
~40 parts；3~10 parts of dispersing agent；1~10 part of wetting agent；1~5 part of disintegrating agent；Filler, surplus.The water dispersible granules it is specific
Production stage are as follows: press above-mentioned formula for effective component nitrile pyrrole mite ester and propargite and dispersing agent, wetting agent, disintegrating agent and filler
It is uniformly mixed, is crushed with micro jet, through mediating, be then granulated, dried in addition fluidized-bed granulation dryer,
Through sampling analysis after screening, that is, it can be made into the water dispersible granules of the present composition.
The bactericidal composition is aqueous emulsion, the mass fraction of component are as follows: 1~40 part of ester of nitrile pyrrole mite；Propargite 1~40
Part；3~30 parts of emulsifier；5~15 parts of solvent；2~15 parts of stabilizer；1~5 part of antifreezing agent；0.1~8 part of defoaming agent；Thickener
0.2~2 part；Water, surplus.The specific production stage of the aqueous emulsion are as follows: first by nitrile pyrrole mite ester and propargite, solvent and emulsification
Agent, cosolvent are added together, and make to be dissolved into uniform oily phase；By part water, antifreeze, the others pesticide such as antimicrobial is helped
Agent mixes into uniform water phase；The oil phase is added to the aqueous phase while being stirred in the reactor at high speed, slowly plus water until
Reach phase inversion point, open cutter and carry out high speed shear, and remaining water is added, shearing about half an hour, forms oil-in-water type
Aqueous emulsion can be made into the aqueous emulsion of the present composition.
The bactericidal composition is microemulsion, the mass fraction of component are as follows: 1~40 part of ester of nitrile pyrrole mite；Propargite 1~40
Part；10~30 parts of emulsifier, 1~8 part of antifreezing agent, 0.5~10 part of stabilizer, 20~50 parts of Conventional solvents cosolvent.By nitrile pyrrole
Mite ester and propargite are completely dissolved with cosolvent, add the other compositions such as emulsifier, antifreezing agent, stabilizer, are uniformly mixed, most
After water is added, microemulsion can be made into after being sufficiently stirred.
Wherein above-described emulsifier is selected from calcium dodecyl benzene sulfonate and aliphatic acid polyethenoxy ether, alkyl phenol polyoxy
Ethylene ether sulfosuccinates, styrylphenol polyoxyethylene ether, nonylphenol polyoxyethylene ether, castor oil polyoxyethylene ether,
Aliphatic acid polyethenoxy base ester, any one of polyoxyethylene aliphatic alcohol ether or more than one a mixture of arbitrary proportions.
The solvent is xylene or biodiesel, toluene, diesel oil, methanol, ethyl alcohol, n-butanol, isopropanol, turpentine
Oil, solvent naphtha, dimethylformamide, dimethyl sulfoxide, one of water equal solvent or more than one any mixing than composition
Object.
The dispersing agent is selected from polycarboxylate, lignosulfonates, alkyl phenol polyoxyethylene ether methyl ether condensation product sulfuric acid
Salt, alkylsulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkyl phenol polyoxyethylene ether, polyoxyethylene carboxylate, fat
Amine polyoxyethylene ether, one or more of glycerol fatty acid ester polyoxyethylene ethe.
The wetting agent is selected from lauryl sodium sulfate, calcium dodecyl benzene sulfonate, and Nekal BX moistens bleeding agent F,
Alkylbenzene sulfonate polyoxyethylene triphen phosphenylic acid salt dimly, spaonin powder, silkworm excrement, one of spaonin powder or a variety of.
The disintegrating agent is selected from bentonite, urea, ammonium sulfate, aluminium chloride, citric acid, succinic acid, in sodium bicarbonate
It is one or more.
The thickener be selected from xanthan gum, carboxymethyl cellulose, carboxyethyl cellulose, methylcellulose, aluminum magnesium silicate,
It is one or more in polyvinyl alcohol.
The stabilizer is selected from sodium citrate, one of resorcinol.
The antifreezing agent is selected from ethylene glycol, propylene glycol, one of glycerine or a variety of.
The defoaming agent is selected from silicone oil, silicone compound, C10-20Saturated fat acids compound, C8-10Fatty alcohol
It is one or more.
The filler is selected from kaolin, diatomite, bentonite, attapulgite, white carbon black, starch, in precipitated calcium carbonate
It is one or more.
The present invention has apparent synergistic effect using nitrile pyrrole mite ester and propargite as the composite bactericide of effective component, delays
The generation of key drug resistance, and production and application costs are reduced, it can be used for the improvement of resistance disease.It is mainly used for preventing and treating
Downy mildew of garpe, late blight and all kinds of powdery mildews.
Specific embodiment
To make technical solution of the present invention, purpose and advantage are more clearly understood, present invention following specific embodiments
It is illustrated, but the present invention is not limited to these examples.Effect experiment of the invention uses indoor biometrics and field trial phase
In conjunction with mode, unless otherwise instructed, ratio mentioned below is all mass parts ratio.
Embodiment: nitrile pyrrole mite ester and propargite virulence experiment with different proportions.
1.1 reagent agent
96% nitrile pyrrole mite ester raw medicine, 95% propargite raw medicine, above-mentioned raw medicine are ground by extra large Lear medicine company limited liability company
Hair portion provides.
1.2 test targets
Nitrile pyrrole mite ester was never applied from Shandong Shouguang acquired with the cucumber potting of propargite and same type and separated, for examination
Cucumber variety: Chang Chun Mi Ci.
1.3 test method
1.3.1 medicament is prepared
Acetone solution raw medicine is first used, suitable two raw medicine is made by different ratio according to the result of preliminary experiment, then with third
To be diluted to several concentration gradients respectively stand-by by each processing for ketone.
By the cultivation of susceptible cucumber variety Chang Chun Mi Ci in pot for growing seedlings, it is placed in a greenhouse culture, plant grows to three to four leaves
After phase, the blade of identical leaf age is acquired, the culture and measurement for cucumber powdery mildew's pathogen.
1.3.2 the culture of cucumber powdery mildew's pathogen and the preparation of spore suspension
Cucumber powdery mildew's pathogen is cultivated under conditions of 20 DEG C, 12h alternation of light and darkness using plants method, and every 30d turns to be commissioned to train
It supports 1 time.With the conidium on sterile water elution incidence of leaf when inoculation, being configured to spore concentration is l × 106A/mL's is outstanding
Supernatant liquid.
1.3.3 strains tested sensitivity testing
Toxicity test is carried out using leaf dish moisturizing method.The blade of acquisition is first prepared into the leaf dish that diameter is 1.5cm, at random
It mixes, is respectively placed in configured series of concentrations medical fluid and impregnates lh, 50 leaf dishes of each concentration are tested with the place of not adding medicine
Reason is blank control, and after immersion, leaf is face-up placed on the blotting paper of identical liquor strength wetting, in leaf dish
Medical fluid blot, by prepared spore suspension l0L be inoculated in leaf dish center, after being placed at room temperature for 5min, be placed in 20 DEG C, 1 2h
It is cultivated under conditions of alternation of light and darkness, the onset area in leaf dish is measured after 10d, calculates EC50。
On the basis of preliminary experiment, toxicity test is carried out to single dose nitrile pyrrole mite ester and propargite respectively with above method,
The two EC50Value is respectively 8.69 ㎎/l and 8.26 ㎎/l.
Sick grade is divided according to the percentage that lesion area accounts for leaf dish area
0 grade: disease-free；
1 grade: sorus area accounts for 5% or less whole leaf area；
3 grades: sorus area accounts for the 6%-10% or less of whole leaf area；
5 grades: sorus area accounts for the 11%-20% or less of whole leaf area；
7 grades: sorus area accounts for the 21%-50% or less of whole leaf area；
9 grades: sorus area accounts for 50% or more of whole leaf area.
1.3.4 mixture toxicity test and interpretation of result
The toxicity test of mixture is carried out according to mixed ratio with single agent virulence determination method.
If compareing the death rate < 5%, do not correct, compares the death rate between 5%-20%, be corrected by formula 2, compareed
The death rate > 20%, test need to reform.
Using the logarithm of drug concentration (mg/L) as independent variable x, using the probability value of corrected mortality as dependent variable y, respectively
Virulence regression equation is established, the EC of single dose and each proportion mixture is calculated using DPS software50Poison altogether is calculated according to Sun Yunpei method
Coefficient (CTC).Co-toxicity coefficient CTC, calculation formula are as follows: (using nitrile pyrrole mite ester as standard agent, toxicity index 100):
The toxicity index (TI) of propargite=nitrile pyrrole mite ester EC50The EC of/propargite50×100
The true toxicity index (ATI) of M=nitrile pyrrole mite ester EC50The EC of/M50×100
The theoretical toxicity index (TTI) of M=nitrile pyrrole mite ester TI × P nitrile pyrrole mite ester+propargite TI × P propargite
TTI × 100 of co-toxicity coefficient (CTC)=M ATI/M of M
In formula:
M is the mixture of nitrile pyrrole mite ester and propargite different ratio
P nitrile pyrrole mite ester is nitrile pyrrole mite ester ratio shared in mixture
P propargite is propargite ratio shared in mixture.
2.1 toxicity test results
The toxicity test of 1 nitrile pyrrole mite ester of table and propargite to powdery mildew of cucumber
As can be seen from the table, the test result of different proportion proportion shows to dilute equal table respectively in effective component ratio
Reveal stronger synergistic effect, wherein with nitrile pyrrole mite ester: synergistic effect is good when propargite is 1:20~20:1 suggests to suitable
It preferably matches 1:20~20:1 or so mixture preparation and carries out further field control effectiveness test, to evaluate its field practical application effect
Fruit.
3 field trials prevent and treat powdery mildew of cucumber, the experimental result of downy mildew of garpe
3.1 field trials prevent and treat powdery mildew of cucumber
3.1.1 test method
In Shandong Pingdu City cucumber, every cell investigates 4 points for test, and every is investigated 2 plants, records morbidity journey with staging
Degree, grade scale are as follows:
0 grade: disease-free；
1 grade: sorus area accounts for 5% or less whole leaf area；
3 grades: sorus area accounts for the 6%-10% or less of whole leaf area；
5 grades: sorus area accounts for the 11%-20% or less of whole leaf area；
7 grades: sorus area accounts for the 21%-50% or less of whole leaf area；
9 grades: sorus area accounts for 50% or more of whole leaf area.
3.1.2 control time and number
Test is investigated 4 times altogether, and radix is investigated before medicine, is investigated within 15 days 7 days after first time medicine, after second 7 days and medicine.
3.1.3 drug effect calculation method
Sick leaf rate (the %)=disease number of sheets/investigation total number of sheets × 100
Disease index=∑ (the disease numbers of sheets at different levels × opposite value of series)/(investigation total number of sheets × 9) × 100
Control efficiency (%)=(1- (disease index after disease index × treatment region medicine before blank district medicine)/(blank pair
According to disease index before disease index after area's medicine × treatment region medicine)) × 100.
3.1.4 phytotoxicity investigation method
Whether continuous 15d range estimation medicament has phytotoxicity to crop after application.
3.1.5 test result and analysis
The effect of each processing prevention and treatment powdery mildew of cucumber.(table 2)
Table 2 respectively handles the effect of prevention and treatment powdery mildew of cucumber
48% nitrile pyrrole mite ester as shown in Table 2: propargite controls effect for powdery mildew of cucumber with 24:24 ratio composite bactericide
Fruit is apparently higher than nitrile pyrrole mite ester and propargite single dose, and bactericidal effect is incremented by with the increase of dosage.It is estimated, is being tested according to field
In dosage range, plant growth is normal, and each treatment agent does not occur the phytotoxicity phenomenon to cucumber, illustrates that it is safety to cucumber
's.It is recommended that the fungicide different from the mechanism of action is used in mixed way the generation to delay germ drug resistance.
4.1 field trials prevent and treat downy mildew of garpe
4.1.1 test method
In Shandong Pingdu City wine-growing, every cell investigates 4 points for test, and every is investigated 2 plants, is recorded and is sent out with staging
Course of disease degree, grade scale are as follows:
0 grade: disease-free；
1 grade: sorus area accounts for 5% or less whole leaf area；
3 grades: sorus area accounts for the 6%-10% or less of whole leaf area；
5 grades: sorus area accounts for the 11%-20% or less of whole leaf area；
7 grades: sorus area accounts for the 21%-50% or less of whole leaf area；
9 grades: sorus area accounts for 50% or more of whole leaf area.
4.1.2 control time and number
Test is investigated 4 times altogether, radix investigation before medicine, 14 days after first time medicine, after second of medicine after 14 days and medicine 21 days into
Row investigation.
4.1.3 drug effect calculation method
Sick leaf rate (the %)=disease number of sheets/investigation total number of sheets × 100
Disease index=∑ (the disease numbers of sheets at different levels × opposite value of series)/(investigation total number of sheets × 9) × 100
Control efficiency (%)=(1- (disease index after disease index × treatment region medicine before blank district medicine)/(blank pair
According to disease index before disease index after area's medicine × treatment region medicine)) × 100.
4.1.4 phytotoxicity investigation method
Whether continuous 14d range estimation medicament has phytotoxicity to crop after application.
4.1.5 test result and analysis
The effect (table 3) of each processing prevention and treatment cucumber downy mildew
Table 3 respectively handles the effect of prevention and treatment cucumber downy mildew
The Mixed Pharmacy of different proportion as can be seen from Table 3 is tested by different dosages, it is to oenin after medicine
The prevention and treatment of mildew is superior to comparison medicament, and bactericidal effect is incremented by with the increase of dosage.It is estimated according to field, in test dose model
In enclosing, plant growth is normal, and each treatment agent does not occur the phytotoxicity phenomenon to grape, illustrates that it is safe to grape.It builds
It discusses the fungicide different from the mechanism of action and is used in mixed way the generation to delay germ drug resistance.
In conclusion the present invention contains the bactericidal composition of nitrile pyrrole mite ester and propargite, to powdery mildew of cucumber and oenin
Mildew has good control efficiency, and it is safe to Target crops.Compound preparation not only increases preventive effect, and expands and kill
Bacterium spectrum, so this compounded combination has a very important significance in production practice.
Claims (4)
1. a kind of bactericidal composition containing nitrile pyrrole mite ester and propargite, it is characterised in that: the effective component of the bactericidal composition
For nitrile pyrrole mite ester and propargite binary built, remaining is auxiliary element, wherein the quality of effective component nitrile pyrrole mite ester and propargite
Than being 1~40: 40~1.
2. bactericidal composition according to claim 1, it is characterised in that: nitrile pyrrole mite ester and the gross weight of propargite in the formulation
Amount accounts for the 1%~80% of the entire quality of the pharmaceutical preparations.
3. bactericidal composition according to claim 2, it is characterised in that: nitrile pyrrole mite ester and the gross weight of propargite in the formulation
Amount accounts for the 5%~50% of the entire quality of the pharmaceutical preparations.
4. bactericidal composition according to claim 1 or 2 or 3, it is characterised in that: the dosage form of the bactericidal composition is cream
Oil, suspending agent, wettable powder, water dispersible granules, aqueous emulsion, microemulsion.
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| CN114190387A (en) * | 2020-09-18 | 2022-03-18 | 浙江省化工研究院有限公司 | Acaricide composition |
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| CN114190387A (en) * | 2020-09-18 | 2022-03-18 | 浙江省化工研究院有限公司 | Acaricide composition |
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Application publication date: 20190301 |