CN109673643A - Agricultural insecticidal composite and its application - Google Patents
Agricultural insecticidal composite and its application Download PDFInfo
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- CN109673643A CN109673643A CN201810954123.7A CN201810954123A CN109673643A CN 109673643 A CN109673643 A CN 109673643A CN 201810954123 A CN201810954123 A CN 201810954123A CN 109673643 A CN109673643 A CN 109673643A
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- China
- Prior art keywords
- spiromesifen
- agent
- agricultural insecticidal
- worm nitrile
- effective component
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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
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/06—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings
- A01N43/08—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings with oxygen as the ring hetero atom
-
- 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
Abstract
The present invention proposes a kind of agricultural insecticidal composite and its application, including effective component and auxiliary element, and the effective component is Spiromesifen and acetyl worm nitrile, and the weight ratio of the Spiromesifen and acetyl worm nitrile is 1:50~50:1.Agricultural insecticidal composite provided by the invention is significantly expanded insecticidal spectrum compared to single dose medicament, and the lasting period is long, and low toxicity, noresidue is nuisanceless, environmentally safe, facilitates plant growth, improves crop quality；It is not disclosed in the prior art using Spiromesifen and the compatible agricultural insecticidal composite of acetyl worm nitrile, and the two compatibility, be made of the effective component of different role mechanism, action site increases, and synergistic effect is obvious, drug effect greatly improves, and is conducive to overcome and delay the generation of pest resistance to insecticide.
Description
Technical field
The present invention relates to pesticide fields, and in particular to a kind of agricultural insecticidal composite and its application.
Background technique
Spiromesifen is the spirocyclic tetronic acid class Insecticidal and acaricidal agent developed by Bayer, and mechanism of action is to influence aleyrodid and mite
The development of worm interferes the biosynthesis of its liposome, especially has preferable activity to larval stage, while can also generate ovary
Pipe closure function reduces the fertility of acarid and adult whitefly, greatly reduces oviposition quantity.Spiromesifen can effectively prevent pair
Nylar generates the aleyrodid of resistance, the resistant aleyrodid of energy effectively preventing is compounded with mercaptodimethur, with any commonly employed desinsection
It is safe to beneficial organism to prove Spiromesifen by indoor and field trial, and is suitble to pest for agent, acaricide no interactions resistance
Integrated control, residual effect is excellent, and plant compatibility is good, environmentally safe.Spiromesifen is mainly used for cotton, vegetables and ornamental plant
Aleyrodid and tetranychid are prevented and treated, is had to red spider, yellow spider, blister mite, yellow tea mite, Tetranychus cinnabarinus and Tetranychus urticae etc. anti-very well
Effect, the mite evil that can be used for the solanaceous crops such as the fruit trees such as citrus, grape and eggplant, capsicum, tomato are administered.
Acetyl worm nitrile is by French Luo Na-Rhone-Poulenc's exploitation novel pyrazoles compound, is the structure of Fipronil
Modification, desinsection, acaricidal activity and Fipronil are similar.Acetyl worm nitrile is a broad spectrum insecticide, and insecticidal mechanism is
The chloride metabolism of insect γ-aminobutyric acid (GABA) control is hindered, to achieve the effect that kill insect.Controlling object includes
Adult, larva and the worm's ovum of Lepidoptera, such as cigarette aphid noctuid；The adult and larva of coleoptera, such as anthonomus grandis；Semiptera and same
Wing mesh, such as wood louse, aleyrodid, aphid etc..Applicable crops vineyard, ornamental plant, plantation, trees, cereal, cotton, vegetables, sweet tea
Dish, soybean, rape, corn, sorghum, drupe, citrus orchard etc..
Insecticide variety containing single active ingredient agricultural insecticide prevention and treatment on often have the defects that it is different degrees of,
If insecticidal range is narrow, control efficiency is poor, and application dosage is also easy to produce greatly drug resistance, and application times add environmental pollution again etc..For
Prevention and treatment agriculturally generates the pest of resistance, and a kind of method is to release the new new component with existing kind no interactions resistance.But
The development cost of new effective component is high, and the development cycle is long, and does not all catch up with the speed that pest generates resistance forever.It is other
Method such as crop structure adjustment, different pesticide rotations etc., during practical operation, are difficult really to play apparent effect
Fruit.
Different cultivars ingredient is compounded, and is the prevention and treatment most common method of resistant insect.Heterogeneity is compounded, can be with
Control efficiency is improved, prevention and treatment range is expanded, reduces the dosage of effective component, saves drug cost, environmental pollution is reduced, is comprehensive
The important means of pest control.When for Spiromesifen and the nitrile single use of acetyl worm, have certain defects and limitations.Mesh
The preceding compound medicine there is no about both Spiromesifen and acetyl worm nitrile, and other agricultural Insecticidal combinations effects are also not very
It is ideal.
Summary of the invention
The present invention for the above technical issues, proposes a kind of agricultural insecticidal composite and its application.
In order to achieve the above object, the technical solution adopted by the present invention are as follows:
Agricultural insecticidal composite, including effective component and auxiliary element, effective component are Spiromesifen and acetyl worm nitrile, institute
The weight ratio for stating Spiromesifen and acetyl worm nitrile is 1:50~50:1.
As preferred: the weight ratio of effective component Spiromesifen and acetyl worm nitrile is 1:10~10:1.
As preferred: the effective component Spiromesifen accounts for the weight percent of the agricultural insecticidal composite with acetyl worm nitrile
Content is 10%~80%.
As preferred: the effective component Spiromesifen accounts for the weight percent of the agricultural insecticidal composite with acetyl worm nitrile
Content is 11%~51%.
As preferred: the auxiliary element includes carrier and auxiliary agent, and the carrier is water and/or filler, the auxiliary agent packet
Include surfactant.
The filler is in kaolin, diatomite, bentonite, attapulgite, white carbon black, starch or precipitated calcium carbonate
The mixture of one or more compositions.The surfactant can be nonionic or anionic, be also possible to two types
Type is used in combination.
As preferred: the surfactant is one or more of emulsifier, dispersing agent, wetting agent and bleeding agent.
The emulsifier is selected from OP series phosphate (thermally coupled distillation columns), 600# phosphate (phenyl phenol
Polyoxyethylene ether phosphate), styrene polyoxyethylene ether ammonium sulfate salt, alkyl biphenyl ether disulfonic acid magnesium salts, triethanolamine salt, agriculture
Newborn 400# (benzyl dimethyl phenol polyoxyethyl ether), Nongru-700 # (alkylphenol-formaldehyde resin polyoxyethyl ether), peaceful cream 36# (benzene
Ethyl fluosite polyoxyethyl ether), agriculture breast 1600# (phenethyl phenol polyoxyethanyl polypropylene-base ether), ethylene oxide-ring
Ethylene Oxide block copolymer, OP serial (nonylphenol polyoxyethylene ether), BY serial (castor oil polyoxyethylene ether), agriculture breast 33# (alkane
Base aryl polyoxyethylene poly-oxygen propylene aether), Span series (sorbitol anhydride monostearate), TWEEN Series (anhydrous sorbitol resin acid
Ester APEO) and one or more of AEO serial (fatty alcohol polyoxyethylene ether) composition mixture.
The dispersing agent be selected from polycarboxylate, lignosulfonates, APES formaldehyde condensation products sulfat,
Alkyl benzene calcium sulfonate, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkyl phenol polyoxyethylene ether, aliphatic amine polyoxyethylene ether, fatty acid polyglycol
The mixture of one of ethylene oxide ether and glycerol fatty acid ester polyoxyethylene ethe or a variety of compositions.
The wetting agent is selected from lauryl sodium sulfate, neopelex, Nekal BX, wetting and penetrating agent F, soap
The mixture of one of angle powder, silkworm excrement and spaonin powder or a variety of compositions.
The bleeding agent is selected from penetrating agent JFC (fatty alcohol polyoxyethylene ether), penetrant t (diisooctyl maleate
Sulfonate), the mixture of one of azone and organosilicon or a variety of compositions.
As preferred: the auxiliary agent further comprises in antifreezing agent, thickener, stabilizer, disintegrating agent and defoaming agent
It is one or more of.
The thickener is selected from gelatin, sodium carboxymethylcellulose, hydroxyethyl cellulose, Sodium Polyacrylate, modified starch, Huang
The mixture of one of virgin rubber, bentonite, silica and aluminum magnesium silicate or a variety of compositions.
The antifreezing agent is selected from the mixture of one of ethylene glycol, propylene glycol, glycerine and urea or a variety of compositions.
The defoaming agent is selected from silicone oil, silicone compound, C10~C20 saturated fat acids compound and C8~C10 rouge
The mixture of one of fat alcohol compound or a variety of compositions.
The disintegrating agent is selected from bentonite, urea, ammonium sulfate, aluminium chloride, low-substituted hydroxypropyl cellulose, lactose, lemon
The mixture of one of acid, succinic acid and sodium bicarbonate or a variety of compositions.
The stabilizer is selected from epoxidized soybean oil, epoxychloropropane, BHT, ethyl acetate and triphenyl phosphate one kind or
The mixture of a variety of compositions.
As preferred: the dosage form of the agricultural insecticidal composite is one of suspending agent, microemulsion and water dispersible granules
Or it is several.
As preferred: above-mentioned agricultural insecticidal composite is for preventing and treating harmful resistant insect.
Compared with prior art, the advantages and positive effects of the present invention are:
1, agricultural insecticidal composite provided by the invention is significantly expanded insecticidal spectrum compared to single dose medicament, and the lasting period is long, low
Poison, noresidue is nuisanceless, environmentally safe, facilitates plant growth, improves crop quality；
2, agricultural insecticidal composite provided by the invention is compatible using Spiromesifen and acetyl worm nitrile, in the prior art not
Disclose using Spiromesifen and the compatible agricultural insecticidal composite of acetyl worm nitrile, and the two compatibility, by different role mechanism
Effective component composition, action site increase, and synergistic effect is obvious, and drug effect greatly improves, and is conducive to overcome and delay the anti-medicine of pest
The generation of property；
3, agricultural insecticidal composite prevention and treatment drug effect provided by the invention is high, to all growths including larva and adult
Period is all effective, substantially increases the lasting period, and resistance risk is small, and resistance of rainwater washing against ability is strong；
4, agricultural insecticidal composite effective component provided by the invention field rate decline, reduce production and use at
This, reduces pesticide residue and environmental pollution, good to crop safety.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Agricultural insecticidal composite, including effective component and auxiliary element, the effective component are Spiromesifen and acetyl worm
The weight ratio of nitrile, the Spiromesifen and acetyl worm nitrile is 1:50~50:1.In the present embodiment, the effective component spiral shell first mite
Ester and acetyl worm nitrile play significant synergistic effect by effectively proportion, proportion within the above range, Spiromesifen with
Acetyl worm nitrile being capable of potentiating pesticidal.Specifically, the weight ratio of Spiromesifen and acetyl worm nitrile can for 50:1,10:1,5:1,
1:1,1:3,1:4,1:5,1:10 and 1:50.But it is understood that with effective component concentration in use process selection not
Together, the ratio of above-mentioned Spiromesifen and acetyl worm nitrile, those skilled in the art can do within the scope of above-mentioned weight ratio as needed
Select arbitrary number ratios.
In the preferred embodiment of the present invention: the weight ratio of the effective component Spiromesifen and acetyl worm nitrile is 1:10
~10:1.In the present embodiment, effective component Spiromesifen and acetyl worm nitrile, which pass through effectively to match, plays significant synergy
Effect, co-toxicity coefficient (CTC) is 120 or more, it is seen that Spiromesifen is compounded with acetyl worm nitrile with reasonability and feasibility.Its
Middle Spiromesifen and the synergistic effect that acetyl worm nitrile is 1:1 are most obvious.
In an alternative embodiment of the invention: the effective component Spiromesifen and acetyl worm nitrile account for the agricultural insecticidal
The weight percentage of composition is 10%~80%.In the present embodiment, above-mentioned effective component can account for the agricultural insecticidal group
The overwhelming majority for closing object is assisted playing drug effect with auxiliary element, can under the weight percentage of above-mentioned effective component
The significant drug effect for playing the two, obtains good insecticidal effect, it is to be understood that in order to effectively play drug effect, together
When medicament-saving cost, any percentage in the range, such as 10%, 15%, 20%, 25%, 30%,
35%, 40%, 45%, 50%, 55%, 60%, 65%, 70%, 75%, 80% etc..Specifically, the effective component spiral shell first mite
The weight percentage that ester accounts for the agricultural insecticidal composite with acetyl worm nitrile is that 11%~51% effect is best.
In an alternative embodiment of the invention: the auxiliary element includes carrier and auxiliary agent, the carrier be water and/or
Filler, the auxiliary agent include surfactant.In the present embodiment, the filler is selected from kaolin, diatomite, bentonite, bumps
The mixture of one of stick soil, white carbon black, starch or precipitated calcium carbonate or a variety of compositions.The surfactant can be with right and wrong
Ion or anionic, it is also possible to two types compound use.In the present embodiment, carrier and auxiliary agent can be assisted effectively
Ingredient Spiromesifen plays corresponding insecticidal action with acetyl worm nitrile, in different dosage forms and method of application, above-mentioned auxiliary at
Dividing can be specifically chosen.
In an alternative embodiment of the invention: the surfactant is emulsifier, dispersing agent, wetting agent and bleeding agent
One or more of.
In an alternative embodiment of the invention: the emulsifier is selected from OP series phosphate (nonylphenol polyoxyethylene ether
Phosphate), 600# phosphate (phenyl phenol polyoxyethylene ether phosphate), styrene polyoxyethylene ether ammonium sulfate salt, alkyl biphenyl
Ether disulfonic acid magnesium salts, triethanolamine salt, agriculture breast 400# (benzyl dimethyl phenol polyoxyethyl ether), Nongru-700 # (alkylphenol formaldehyde
Resin polyoxyethyl ether), peaceful cream 36# (phenethyl phenol formaldehyde resin polyoxyethyl ether), agriculture breast 1600# (phenethyl phenol polyoxy second
Base polypropylene-base ether), ethylene oxide-propylene oxide block copolymer, OP serial (nonylphenol polyoxyethylene ether), the serial (castor of BY
Sesame oil polyoxyethylene ether), agriculture breast 33# (alkylaryl polyoxyethylene poly-oxygen propylene aether), (sorbitol anhydride list is stearic for Span series
Acid), TWEEN Series (anhydrous sorbitol resin acid ester APEO) and AEO series one of (fatty alcohol polyoxyethylene ether) or
The mixture of a variety of compositions of person.
In an alternative embodiment of the invention: it is poly- that the dispersing agent is selected from polycarboxylate, lignosulfonates, alkyl phenol
Ethylene oxide ether formaldehyde condensation products sulfate, alkyl benzene calcium sulfonate, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkyl phenol polyoxyethylene ether,
One of aliphatic amine polyoxyethylene ether, aliphatic acid polyethenoxy ether and glycerol fatty acid ester polyoxyethylene ethe or a variety of compositions
Mixture.
In an alternative embodiment of the invention: the wetting agent is selected from lauryl sodium sulfate, dodecyl benzene sulfonic acid
The mixture of one of sodium, Nekal BX, wetting and penetrating agent F, spaonin powder, silkworm excrement and spaonin powder or a variety of compositions.
In an alternative embodiment of the invention: the bleeding agent is selected from penetrating agent JFC (fatty alcohol polyoxyethylene ether), seeps
The mixture of one of saturating agent T (diisooctyl maleate sulfonate), azone and organosilicon or a variety of compositions.
Emulsifier, dispersing agent, wetting agent and bleeding agent type in above-described embodiment are only to enumerate not exhaustive, other energy
The surfactant for enough playing respective action is also applied in the preparation of composition.
In an alternative embodiment of the invention: the auxiliary agent further comprises antifreezing agent, thickener, stabilizer, collapses
Solve one or more of agent and defoaming agent.
In an alternative embodiment of the invention: the thickener is selected from gelatin, sodium carboxymethylcellulose, hydroxy ethyl fiber
One of element, Sodium Polyacrylate, modified starch, xanthan gum, bentonite, silica and aluminum magnesium silicate or a variety of compositions it is mixed
Close object.
In an alternative embodiment of the invention: the antifreezing agent is in ethylene glycol, propylene glycol, glycerine and urea
The mixture of one or more compositions.
In an alternative embodiment of the invention: the defoaming agent is selected from silicone oil, silicone compound, C10~C20 saturation
The mixture of one of fatty acid compound and C8~C10 fatty alcohols compound or a variety of compositions.
In an alternative embodiment of the invention: the disintegrating agent is selected from bentonite, urea, ammonium sulfate, aluminium chloride, low takes
For one of hydroxypropyl cellulose, lactose, citric acid, succinic acid and sodium bicarbonate or the mixture of a variety of compositions.
In an alternative embodiment of the invention: the stabilizer is selected from epoxidized soybean oil, epoxychloropropane, BHT, acetic acid
The mixture of one or more compositions of ethyl ester and triphenyl phosphate.
Any one agent of suitable agricultural use can be prepared by known methods into agricultural insecticidal composite of the invention
Type, preferable dosage form are one or more of suspending agent, microemulsion and water dispersible granules.These types of dosage form can guarantee two kinds
Synergistic effect after composite reagent, while field efficacy is high, application is convenient.
The embodiment of the invention also provides the applications of above-mentioned agricultural insecticidal composite, for preventing and treating harmful resistant insect.Its
Middle resistant insect be crops in common resistant insect, such as can prevent and treat rice-leaf hopper, plant hopper, thrips, beet armyworm, tiltedly
Autographa spp, lopper worm, diamondback moth, pathogenicity test, striped rice borer, yellow rice borer, bollworm and bean-pod borer.
Agricultural insecticidal composite and its application provided by the embodiment of the present invention are introduced in detail in order to become apparent from, and below will
It is illustrated in connection with specific embodiments.
Embodiment 1:30% Spiromesifen acetyl worm nitrile water dispersible granules
Raw material components including following weight percent: Spiromesifen 6%；Acetyl worm nitrile 24%；Wetting agent dodecyl
Sodium sulphate 4%；Dispersing agent calcium lignosulfonate 8%；Filler white carbon black 24%, filler kaolin surplus.
Preparation method: according to above-mentioned weight percent, effective component Spiromesifen and acetyl worm nitrile being added in carrier,
And surfactant and other function auxiliary agent are added wherein, it is mixed, is granulated obtained water dispersion again after air-flow crushing
Granula.Capital equipment has mixing machine, airslide disintegrating mill, Squeezinggranulator.
Embodiment 2:24% Spiromesifen acetyl worm nitrile suspending agent
Raw material components including following weight percent: Spiromesifen 6%；Acetyl worm nitrile 18%；Polycarboxylate and wooden
Plain sulfonate 8%；Thickener 1%；Antifreezing agent 4%；Preservative 0.2%；Defoaming agent 0.2%；Water surplus.
Preparation method: according to above-mentioned weight percent, by effective component acetyl worm nitrile and Spiromesifen and other dispersions
The mixing such as agent, thickener, antifreezing agent, preservative, water is added horizontal sand mill and be sanded within 2~3 hours, later after clipped
Defoaming agent is added to continue to shear, suspending agent product is made.Capital equipment has mixing machine, cutter, horizontal sand mill.
Embodiment 3:51% Spiromesifen acetyl worm nitrile water dispersible granules
Raw material components including following weight percent: Spiromesifen 1%；Acetyl worm nitrile 50%；Wetting agent dodecyl
Sodium sulphate 4%；Dispersing agent calcium lignosulfonate 8%；Filler white carbon black 24%, filler kaolin surplus.
Preparation method: according to above-mentioned weight percent, effective component Spiromesifen and acetyl worm nitrile being added in carrier,
And surfactant and other function auxiliary agent are added wherein, it is mixed, is granulated obtained water dispersion again after air-flow crushing
Granula.Capital equipment has mixing machine, airslide disintegrating mill, Squeezinggranulator.
Embodiment 4:51% Spiromesifen acetyl worm nitrile water dispersible granules
Raw material components including following weight percent: Spiromesifen 50%；Acetyl worm nitrile 1%；Wetting agent dodecyl
Sodium sulphate 4%；Dispersing agent calcium lignosulfonate 8%；Filler white carbon black 24%, filler kaolin surplus.
Preparation method: according to above-mentioned weight percent, effective component Spiromesifen and acetyl worm nitrile being added in carrier,
And surfactant and other function auxiliary agent are added wherein, it is mixed, is granulated obtained water dispersion again after air-flow crushing
Granula.Capital equipment has mixing machine, airslide disintegrating mill, Squeezinggranulator.Embodiment 5:11% Spiromesifen acetyl worm nitrile is outstanding
Floating agent
Raw material components including following weight percent: Spiromesifen 10%；Acetyl worm nitrile 1%；Polycarboxylate and wooden
Plain sulfonate 8%；Thickener 1%；Antifreezing agent 4%；Preservative 0.2%；Defoaming agent 0.2%；Water surplus.
Preparation method: according to above-mentioned weight percent, by effective component acetyl worm nitrile and Spiromesifen and other dispersions
The mixing such as agent, thickener, antifreezing agent, preservative, water is added horizontal sand mill and be sanded within 2~3 hours, later after clipped
Defoaming agent is added to continue to shear, suspending agent product is made.Capital equipment has mixing machine, cutter, horizontal sand mill.
Embodiment 6:11% Spiromesifen acetyl worm nitrile suspending agent
Raw material components including following weight percent: Spiromesifen 1%；Acetyl worm nitrile 10%；Polycarboxylate and wooden
Plain sulfonate 8%；Thickener 1%；Antifreezing agent 4%；Preservative 0.2%；Defoaming agent 0.2%；Water surplus.
Preparation method: according to above-mentioned weight percent, by effective component acetyl worm nitrile and Spiromesifen and other dispersions
The mixing such as agent, thickener, antifreezing agent, preservative, water is added horizontal sand mill and be sanded within 2~3 hours, later after clipped
Defoaming agent is added to continue to shear, suspending agent product is made.Capital equipment has mixing machine, cutter, horizontal sand mill.
Indoor toxicity test:
The present invention first passes through indoor toxicity test, and test medicine is former using 95% acetyl worm nitrile raw medicine and 98% Spiromesifen
Medicine；Test worm is the Trialeurodes vaporariorum Westwood acquired from field, the first generation adult hatched through indoor captive breeding.
Test method (refers to " NY/T 1154.12-2008 farm-chemical indoor determination test rule using slide infusion process
The 12nd part insecticide: tetranychid slide infusion process ").The specific operation method is as follows.
5 different concentration gradients are arranged in each single dose and Mixed Pharmacy, and (on the basis of preliminary experiment result, greenhouse is white
The aleyrodid death rate is set in the range of 5%~90% by geometric progression).
Select indoor raising, the consistent trialeurodes vaporariorum of physiology and appearance.
Double-sided adhesive is cut into 2cm long, is affixed on one end of glass slide, then chooses healthy trialeurodes vaporariorum, its back is sticked at double
(adhesion foot, antenna and mouthpart are careful not to) on the glue of face, every 30, are put in and are lined in wet sponge container, close the lid, be placed in
Under the conditions of (25 ± 1) DEG C.Microscopy after 2h rejects dead and injured individual, supplies 30.
Slide is dipped in medical fluid after gently vibrating 5s and is taken out, sucked extra medical fluid with blotting paper, be placed in and be lined with wet sponge
Ceramic whiteware disk in, use translucency it is good plastic film covering.
4 repetitions of every processing, and set the processing without medicament and make blank control.
The container for filling processing test worm is placed under temperature (25 ± 1) DEG C, photoperiod L: D=(16: 8) h condition and is raised
And observation.Special circumstances can be with appropriate adjustment experimental enviroment condition.
Test worm death condition is checked after handling 48h, records total borer population and dead borer population respectively.It is special according to test requirements document and medicament
Point can shorten or extend the review time.
It is for statistical analysis with DPS statistical analysis software, the LC50 of each medicament is calculated, is lived to evaluate the desinsection of each medicament
Property.And the co-toxicity coefficient (CTC value) of mixture is calculated according to Sun Yunpei's Method.
Survey toxicity index (ATI)=(standard agent LC50/ reagent agent LC50) × 100.
Percentage composition+B the medicament toxicity index of A in theoretical toxicity index (TTI)=A medicament toxicity index × mixture × mixed
The percentage composition of B in agent.
Co-toxicity coefficient (CTC)=[mixture surveys toxicity index (ATI)/mixtures theoretical toxicity index (TTI)] × 100.
Act on the criteria for classifying according to NY/T11547.7-2006 insecticide combination: co-toxicity coefficient (CTC) >=120 is shown as
Synergistic effect；Co-toxicity coefficient (CTC)≤80 shows as antagonism；80 < co-toxicity coefficient (CTC) < 120, which show as being added, to be made
With.Test result is shown in Table 1.
The indoor joint toxicity measuring of 1 Spiromesifen of table and acetyl worm nitrile to Trialeurodes vaporariorum Westwood
| Nomenclature of drug and proportion (weight ratio) | LC50(mg/l) | ATI | TTI | CTC |
| Spiromesifen | 12.54 | 50.25 | — | — |
| Acetyl worm nitrile | 11.38 | 55.36 | — | — |
| Spiromesifen: acetyl worm nitrile (1: 50) | 17.39 | 36.23 | 28.18 | 128.56 |
| Spiromesifen: acetyl worm nitrile (1: 10) | 6.67 | 9.45 | 6.04 | 156.46 |
| Spiromesifen: acetyl worm nitrile (1: 5) | 11.83 | 53.27 | 30.19 | 176.45 |
| Spiromesifen: acetyl worm nitrile (1: 1) | 5.27 | 119.6 | 52.81 | 226.47 |
| Spiromesifen: acetyl worm nitrile (5: 1) | 22.40 | 28.12 | 15.33 | 183.43 |
| Spiromesifen: acetyl worm nitrile (10: 1) | 6.818 | 9.24 | 5.58 | 164.59 |
| Spiromesifen: acetyl worm nitrile (50: 1) | 18.15 | 34.70 | 25.68 | 135.12 |
As it can be seen from table 1 the composition of the embodiment of the present invention has very high activity, especially spiral shell to Trialeurodes vaporariorum Westwood
First mite ester and acetyl worm nitrile are within the scope of 10:1~1:10 in mass parts ratio, and synergistic effect becomes apparent, co-toxicity coefficient (CTC)
120 or more, it is seen that Spiromesifen is compounded with acetyl worm nitrile with reasonability and feasibility.
Effect is effectively prevented in order to better illustrate the present invention, underneath with above-described embodiment medicament and 30% acetyl worm nitrile
Wettable powder, 25% Spiromesifen suspending agent carry out field efficacy prevention and treatment, test result such as the following table 2 institute to Trialeurodes vaporariorum Westwood
Show.
This field control effectiveness test, which is set, implements totally 5 processing such as medicament, contrast agents, clear water, chooses the greenhouse of plantation cucumber,
Each experimental plot area is 15m2, around sets protection strain, 4 repetitions of every processing, cell random alignment.Use manually spraying side
Method is administered greenhouse cucumber, is administered first 1 day and investigates 1 time, each investigation in 3 days, 7 days and 14 days 1 time, totally 4 times after application.Investigation
Method: the 10 plants of crops demarcated in every cell are investigated every time, in the case where letting alone insect, vacuum side of blade must be examined carefully
It looks into, records borer population living, check leaf when generally adult is less movable in the morning.Calculate Revision insect recluced rate and control efficiency.It calculates
Formula is as follows:
Revision insect recluced rate (%)=[(borer population after borer population-application before being administered)/borer population before being administered] × 100%
Control efficiency (%)=[(treatment region Revision insect recluced rate-blank district Revision insect recluced rate)/(1- blank control
Area's Revision insect recluced rate)] × 100%
Rectifying efficacies (%)=[(treatment region preventive effect-check plot preventive effect)/(check plot 100- preventive effect)] × 100%
Control efficiency of 2 different disposal of table to Trialeurodes vaporariorum Westwood
Implement medicament after showing application from 2 test result of table and comparison medicine is significantly higher than to the control efficiency of Trialeurodes vaporariorum Westwood
Agent；After application 14 days, implement medicament to the control efficiency of Trialeurodes vaporariorum Westwood still 90% or more, some is up to 98%.This table
Bright Spiromesifen and acetyl worm nitrile compounded pesticides have apparent synergistic effect, and efficiency time is considerably longer than single medicine
Agent.Experiment shows that the complex composition is substantially reduced pharmaceutical use, reduces production cost, pesticide residue and environmental pollution.
In addition, field observation during test, embodiment medicament respectively handles medical fluid to plant growth without influence, pacifies to beneficial organism around
Entirely, being compatible with the environment property is good.It can be seen that Spiromesifen and acetyl worm nitrile are an ideal compound insecticidal products.
Claims (9)
1. agricultural insecticidal composite, it is characterised in that: including effective component and auxiliary element, the effective component is Spiromesifen
With acetyl worm nitrile, the weight ratio of the Spiromesifen and acetyl worm nitrile is 1:50~50:1.
2. agricultural insecticidal composite according to claim 1, it is characterised in that: the effective component Spiromesifen and acetyl
The weight ratio of worm nitrile is 1:10~10:1.
3. agricultural insecticidal composite according to claim 1 or 2, it is characterised in that: the effective component Spiromesifen with
The weight percentage that acetyl worm nitrile accounts for the agricultural insecticidal composite is 10%~80%.
4. agricultural insecticidal composite according to claim 3, it is characterised in that: the effective component Spiromesifen and acetyl
The weight percentage that worm nitrile accounts for the agricultural insecticidal composite is 11%~51%.
5. agricultural insecticidal composite according to claim 1, it is characterised in that: the auxiliary element includes carrier and helps
Agent, the carrier are water and/or filler, and the auxiliary agent includes surfactant.
6. agricultural insecticidal composite according to claim 5, it is characterised in that: the surfactant is emulsifier, divides
One or more of powder, wetting agent and bleeding agent.
7. agricultural insecticidal composite according to claim 5, it is characterised in that: the auxiliary agent further comprises antifreeze
One or more of agent, thickener, stabilizer, disintegrating agent and defoaming agent.
8. agricultural insecticidal composite according to claim 1, it is characterised in that: the dosage form of the agricultural insecticidal composite is
One or more of suspending agent, microemulsion and water dispersible granules.
9. the application of agricultural insecticidal composite according to any one of claims 1 to 8, it is characterised in that: above-mentioned agricultural insecticidal group
Object is closed for preventing and treating harmful resistant insect.
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| CN201810954123.7A CN109673643A (en) | 2018-08-21 | 2018-08-21 | Agricultural insecticidal composite and its application |
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| CN201810954123.7A CN109673643A (en) | 2018-08-21 | 2018-08-21 | Agricultural insecticidal composite and its application |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109997859A (en) * | 2019-05-21 | 2019-07-12 | 青岛润生农化有限公司 | Complex insecticidal composition and its application |
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