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CN108770861A - A kind of composition pesticide containing Hexythiazox and fluazinam - Google Patents

A kind of composition pesticide containing Hexythiazox and fluazinam Download PDF

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Publication number
CN108770861A
CN108770861A CN201810700542.8A CN201810700542A CN108770861A CN 108770861 A CN108770861 A CN 108770861A CN 201810700542 A CN201810700542 A CN 201810700542A CN 108770861 A CN108770861 A CN 108770861A
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China
Prior art keywords
fluazinam
hexythiazox
composition
mite
composition pesticide
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CN201810700542.8A
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Chinese (zh)
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邓付圆
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Individual
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/34Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
    • A01N43/40Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N47/00Biocides, 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
    • A01N47/08Biocides, 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
    • A01N47/28Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
    • A01N47/38Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< where at least one nitrogen atom is part of a heterocyclic ring; Thio analogues thereof

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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 composition pesticide containing Hexythiazox and fluazinam, active ingredient are made of Hexythiazox and fluazinam, and the weight ratio of Hexythiazox and fluazinam is 1:2-8.Two active constituent synergy of the present invention can delay pest resistance to develop for preventing citrus red mite, reduce the amount of application of each single dose, improve control effect, meet the comprehensive treatment of pest.

Description

A kind of composition pesticide containing Hexythiazox and fluazinam
Technical field
The present invention relates to a kind of composition pesticides, and in particular to a kind of composition pesticide containing Hexythiazox and fluazinam is used In the evil mite of prevention agriculturally.
Background technology
Currently, in Agricultural Mites prevention, since evil mite is more from generation to generation, breeding is fast, is also easy to produce resistance, some original preventive effects are very Good acaricide kind, such as avermectin, pyridaben, by being used for a long time for many years, miticidal effect is decreased obviously or once applies The time that medicine effectively controls is very short,, generally also can be quickly if not taking resistance precautionary measures even the acaricide newly developed It develops immunity to drugs.By the use concentration of the access times and raising pesticide of lasting increase pesticide, it is unable to reach ideal anti- Effect is controlled, cost accounting and environmental pollution are also increased.With the raising of agricultural product production level, more needed in the prevention of evil mite High-quality and efficient pesticide is selected, with the quality for reducing pesticide residue, improving agricultural product.Based on the above reason, need to continually develop New acaricide.
Hexythiazox, English are general entitled:Hexythiazox, chemical name:5- (4- chlorphenyls) -3- (N- Cyclohexylaminos Formyl) the bright base thiazolidine -2 -one of-4- first.It is thiazolidine ketone acaricide, there is preferable penetrability to plant epidermis layer, but Without uptake and translocation effect.The characteristic that there is strong ovicidal to red spider, kill children mite, to invalid at mite, but to touching medicine The female of liquid has the function of inhibiting hatching at the produced ovum of mite.
Fluazinam, English name:Fluazinam, chemical name:The chloro- N- of 3- (the chloro- 5- trifluoromethyls -2- pyridyl groups of 3-) - Fluoro- 2, the 6- dinitros-p-toluidine of α, α, α-three is new substituted phenyl amines, the wide spectrum developed by Japanese Shi Yuan industry companies Fungicide has special efficacy to a variety of gray molds caused by Botrytis cinerea.Same benzimidazole, dicarboximide class and currently on the market Existing fungicide no interactions resistance.The germs such as interlink spore genus, Phytophthora, Plasmopara, Sclerotinia and Venturia are drawn The disease risen also has good activity.Studies have shown that fluazinam has certain systemic activity, there is preferable miticidal effect.
Mixture is carried out using the pesticide of different role mechanism, is the common methods of the agriculture resistant insect of prevention.Pass through pesticide Recipe determination show that pest control has synergistic function within a certain ratio range between heterogeneity, can effectively improve reality Border control effect reduces dosage, reduces cost, and can delay pest resistance to insecticide, extend the service life of medicament, be evil mite The important means of comprehensive treatment.
It is studied by inventor, finds, by the composition of Hexythiazox and fluazinam mixture, have in a certain range well Synergistic effect, and it is applied to the prevention of red spider there is not yet relevant report in relation to fenpyroximate mixture related to fluazinam.
Invention content
The technical problem to be solved by the invention is to provide a kind of composition pesticide containing Hexythiazox and fluazinam.It is special Point is higher to plant evil mite activity, has apparent synergistic effect, can obviously reduce the usage amount of single dose pesticide, and composition sheet Body is not easy to produce resistance.
The technical solution adopted by the present invention is that:A kind of composition pesticide containing Hexythiazox and fluazinam, active ingredient is by thiophene The weight ratio of mite ketone and fluazinam composition, Hexythiazox and fluazinam is 1:2-8, it is preferred that the weight ratio of Hexythiazox and fluazinam It is 1:3 or 1:5.
The composition pesticide, the weight percent of Hexythiazox in the composition are 1.5-10%, and fluazinam is combining Weight percent in object is 4.5-40%.
The composition pesticide presses method known in those skilled in the art, and corresponding adjuvant is added and is configured to fit Close the practical arbitrary dosage form of agricultural, preferably suspending agent, microemulsion.
The present composition need adjuvant include solvent, emulsifier, wetting agent, stabilizer, antifreezing agent, antifoaming agent, Thickener, dispersant or it is other be beneficial to active ingredient in the formulation stablize and drug effect play known substance, be all pesticide system The various composition used is commonly used or allowed in agent field.
Composition pesticide of the present invention, preparation can be used for preventing the evil mite occurred on crops.Evil mite is professional institute It is well known that evil mite class is damaged to crop or animal, particularly relate to Panonychus citri category (Panonychus spp.), short whisker Acarapis (Brevipalpus spp.), wrinkle Genus Phyllocoptess (Phyllocoptruta app.), Tetranychus (Tetranychus spp.).Wherein the composition is especially suitable for effect prevention citrus red mite (crm), Tetranychus urticae.It is especially suitable for prevention and indicates the composition Preparation is to citrus red mite (crm), Tetranychus urticae activity higher, and dosage is less, and there are unexpected effects.
The invention has the advantages that and remarkable result:
(1) present invention has synergistic function to evil mite, and control effect can be improved, and Pesticide use amount is reduced, to subtract Small harmful effect and pesticide residue to environment.
(2) two kinds of active ingredient mechanisms of action of the present composition are different, and mixture uses, simultaneous to pest multiple action Tool, can delay evil mite development of drug resistance, extend the duration of drug effect, while solving single medicament cannot to cover red spider each The defect of a growth cycle.
Specific implementation mode
Below with measure biocidal activity indoor joint toxicity measuring test and field medicine effect test to the present invention skill Art scheme and technique effect are described further, and percentage of the present invention is weight percentage.
One, bioassay example
Embodiment 1:The toxicity test of Hexythiazox and fluazinam and different ratio to citrus red mite (crm)
Test method reference《People's Republic of China (PRC) agricultural industry criteria NY/T1154.12-2006》.Pick up from the mandarin orange in field Jie-Li enzyme-SQ is female at mite, by 30 generation of indoor raising, selects that growth is uniform female to be used as at mite for test worm.Using seedling Method is connect 120 work of Panonychus citri into mite on small basin citrus seedling, will have the seedling of mite to be sprayed using spray tower, 25 DEG C of immigration, It cultivates under the conditions of relative humidity 90%, is checked after 15 days, record survival number, meter for statistical analysis with DPS data processing softwares It calculates regression curve, find out LC50, the increasing of pharmacy mix is evaluated using the co-toxicity coefficient method (CTC) of the nineteen sixties such as Sun Yunpei proposition Effect acts on.The calculation formula of co-toxicity coefficient is as follows:
Survey toxicity index (ATI)=(standard agent LC50/ reagent agent LC50)×100
In theoretical toxicity index (TTI)=A medicaments ATI × mixture in percentage composition+B medicaments ATI × mixture of A B hundred Divide content
Co-toxicity coefficient (CTC)=(mixture ATI/ mixture TTI) × 100
When CTC≤80, composition shows as antagonism, and as 80 < CTC < 120, composition shows as summation action,
When CTC >=120, composition shows as synergistic effect.
Test result is shown in Table 1.
The toxicity test (15 days) of 1 Hexythiazox of table, fluazinam and different ratio to citrus red mite (crm)
Reagent agent Proportioning Regression equation (y=a+bx) Related coefficient LC50(mg/L) Co-toxicity coefficient
Hexythiazox (A) / Y=4.6462+1.3529x 0.9966 1.83 /
Fenpyroximate (B) / Y=4.0021+1.4728x 0.9991 4.76 /
A:B 5:1 Y=4.3849+1.3526x 0.9983 2.85 71.4
A:B 1:1 Y=4.4944+1.4263x 0.9988 2.26 116.7
A:B 1:2 Y=4.4651+1.4548x 0.9985 2.33 132.9
A:B 1:3 Y=4.5934+1.5507x 0.9995 1.83 185.7
A:B 1:5 Y=4.5943+1.4398x 0.9936 1.91 196.4
A:B 1:7 Y=4.4309+1.4772x 0.9983 2.43 163.3
A:B 1:8 Y=4.3478+1.3138x 0.9986 3.14 128.8
A:B 1:10 Y=4.3451+1.2025x 0.9946 3.50 118.5
By table 1 as it can be seen that Hexythiazox and fluazinam in weight ratio are 1:When carrying out mixture between 2-8, poison is each proportioning altogether Number reaches 120 or more, this shows that composition shows as apparent synergistic effect to the virulence of citrus red mite (crm), when Hexythiazox and The weight ratio of fluazinam is 1:3,1:5, co-toxicity coefficient is bigger, and synergy is more prominent, this is that have to answer well in field trial With value.
Two, preparation and Application Example
Embodiment 1:20% Hexythiazox fluazinam suspending agent
Formula:Weigh Hexythiazox 5.0% according to quantity, fluazinam 15%, alkyl phenol formaldehyde resin polyoxyethylene ether 3.6% (point Powder), alkylphenol-polyethenoxy base ether phosphate 3.2% (wetting agent), polyvinyl alcohol 1.5% (thickener), organosilicon 0.3% (antifoaming agent), deionized water add to 100% parts by weight.
Embodiment 2:18% Hexythiazox fluazinam suspending agent
Formula:Hexythiazox 3.0%, fluazinam 15.0%, glycerine fatty acid fat acid ester polyoxyethylene ether 2.5% are weighed according to quantity (dispersant), Negel 3.5% (wetting agent), xanthans 1.5% (thickener), organosilicon 0.2% (antifoaming agent), second Glycol 2.5% (antifreeze), deionized water add to 100% parts by weight.
Embodiment 3:50% Hexythiazox fluazinam suspending agent
Formula:Hexythiazox 10.0%, fluazinam 40.0%, sodium lignin sulfonate 3.5% (dispersant), 12 are weighed according to quantity Sodium alkyl sulfate 3.2% (wetting agent), hydroxymethyl cellulose 1.5% (thickener), silicone oil 0.2% (antifoaming agent), ethylene glycol 2.5% (antifreeze), deionized water add to 100% parts by weight.Above-mentioned raw materials are through mixing, and high speed shear disperses 30min, with sand milling 18% Hexythiazox fluazinam suspending agent is made after being sanded in machine.
The preparation method of embodiment 1-3 is:Formula material is weighed according to quantity through mixing, and high speed shear disperses 30min, with sand milling The suspending agent semi-finished product of the fluazinam containing Hexythiazox are made in machine after being sanded, by packing, casing.
Embodiment 4:6.0% Hexythiazox fluazinam microemulsion
Formula:Hexythiazox 1.5%, fluazinam 4.5%, octyl phenol polyoxyethylene ether 4% (emulsifier), alkyl are weighed according to quantity Fluosite polyoxyethylene ether 5% (dispersant), calcium dodecyl benzene sulfonate 5% (emulsifier), cyclohexanone 15% (solvent), N-Methyl pyrrolidone 5% (solvent), 5% n-butanol (emulsifier), epoxychloropropane 1% (stabilizer), through dissolving completely simultaneously It is uniformly mixed, deionized water adds to 100% parts by weight.
Embodiment 5:12.5% Hexythiazox fluazinam microemulsion
Formula:Hexythiazox 2.5%, fluazinam 10.0% are weighed according to quantity, weigh Hexythiazox 1.5%, fluazinam according to quantity 1.5%, octyl phenol polyoxyethylene ether 4.5% (emulsifier), alkyl phenol formaldehyde resin polyoxyethylene ether 5% (dispersant), 12 Alkyl benzene calcium sulfonate 5.2% (emulsifier), cyclohexanone 15% (solvent), N-Methyl pyrrolidone 5% (solvent), 5% n-butanol (emulsifier), epoxychloropropane 1.5% (stabilizer), through dissolving completely and being uniformly mixed, deionized water adds to 100% weight Part.
The preparation method of embodiment 4-5 is:After weighing formula material according to quantity, through dissolving completely and being uniformly mixed, stirring is molten Solution is added emulsifier, water progress high speed shear, corresponding fluazinam dinotefuran micron-emulsion semi-finished product, packaged dress is made Case is finished product.
Three, field trial embodiment
Embodiment 1:The preparation (20% Hexythiazox fluazinam suspending agent) of 1 gained of embodiment is prepared for preventing Citrus shatangju Panonychus citri field trial
(1) experimental design:Experiment is located at Nanning Wuming area doube bridge town, is prevented using spray-on process, with crop leaf Subject to being sufficiently humidified so as to.Experiment sets 4 processing, including a blank control (CK) altogether, and field insect population, medicine are investigated before dispenser 1 day afterwards, 7 days and 21 days, respectively investigation remain borer population living.Each 3 plants of processing investigation, every plant by the orientation difference of the four corners of the world 4 5 leaves are investigated, is highly located at plant at ground 1/2, looks into 60 leaves altogether, mite number living is recorded, carries out control effect statistics.? Panonychus citri peak of occurrence dispenser early period, evil mite population quantity in field was 4-15 heads/leaf at that time.Respectively handle corresponding medicament and Dosage is as follows:
Handle 1#:The preparation of 1 gained of embodiment is prepared, i.e. 20% Hexythiazox fluazinam suspending agent dilutes 3000 times;
Handle 2#:10% hexythiazox micro-emulsion dilutes 1500 times;
Handle 3#:40% fluazinam suspending agent dilutes 2000 times;;
Handle 4#:Blank control (CK)
(2) computational methods are as follows:
In formula:PT0--- before --- -- treatment region medicine;PT1After --- -- treatment region medicine
CK0--- before the medicine of --- -- check plot;CK1After the medicine of --- -- check plot
(3) test result is shown in Table 2
2 20% Hexythiazox fluazinam suspending agent of table prevents the field control effectiveness test statistical form of citrus red mite (crm).
Field trial shows that 20% Hexythiazox fluazinam suspending agent suspending agent has citrus red mite more significant prevention Effect, 3000 times of control effect are substantially better than 1500 times of 10% hexythiazox micro-emulsion of comparison medicament, the suspension of 40% fluazinam The control effect that 2000 times of agent, this has obvious synergistic function after illustrating Hexythiazox, fluazinam mixture, improves to mandarin orange The quick-acting of orange spider and lasting period greatly reduce dosage, experiment section citrus trees growth safety.
In conclusion it is not each component activity that the present invention, which uses 2 kinds of active constituent compound schemes, activity and miticidal effect, Simple superposition in addition to significant miticidal effect, and have significant synergistic effect compared with existing single formulation, Quick-acting is high, lasting effect is long, can slow down the generation of red spider resistance, good to crop safety, meets the safety of pesticidal preparations It is required that.

Claims (4)

1. a kind of composition pesticide containing Hexythiazox and fluazinam, which is characterized in that active ingredient is by Hexythiazox and fluazinam group At the weight ratio of Hexythiazox and fluazinam is 1:2-8.
2. composition pesticide according to claim 1, which is characterized in that the weight ratio of Hexythiazox and fluazinam is 1:3 or 1:5。
3. composition pesticide according to claim 1, which is characterized in that the weight percent of Hexythiazox in the composition is 1.5-10%, the weight percent of fluazinam in the composition are 4.5-40%.
4. the composition pesticide described in any one claim according to claims 1 to 3 is used to prevent the use of evil mite on plant On the way.
CN201810700542.8A 2018-06-29 2018-06-29 A kind of composition pesticide containing Hexythiazox and fluazinam Withdrawn CN108770861A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109349274A (en) * 2018-12-11 2019-02-19 江阴苏利化学股份有限公司 A kind of miticide composition containing fluazinam and diafenthiuron
CN110100837A (en) * 2018-12-29 2019-08-09 京博农化科技有限公司 A kind of fluazinam and Hexythiazox miticide composition

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109349274A (en) * 2018-12-11 2019-02-19 江阴苏利化学股份有限公司 A kind of miticide composition containing fluazinam and diafenthiuron
CN110100837A (en) * 2018-12-29 2019-08-09 京博农化科技有限公司 A kind of fluazinam and Hexythiazox miticide composition

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Application publication date: 20181109