CN110100825A - Fruit insecticide composition and its application - Google Patents
Fruit insecticide composition and its application Download PDFInfo
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- CN110100825A CN110100825A CN201910425538.XA CN201910425538A CN110100825A CN 110100825 A CN110100825 A CN 110100825A CN 201910425538 A CN201910425538 A CN 201910425538A CN 110100825 A CN110100825 A CN 110100825A
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- nylar
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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
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, 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
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Abstract
The present invention provides a kind of fruit insecticide composition and its applications, belong to field of agricultural pesticide, choose effective component fluazinam and Nylar is compounded.The fruit insecticide composition, including effective component and auxiliary element, effective component are fluazinam and Nylar, and the weight ratio of fluazinam and Nylar is 1:(0.1-10).The present invention is made of the effective component of different role mechanism, and action site increases, and is conducive to the generation for delaying fruit tree pest insect drug resistance, extends the medicament lasting period, to reduce field rate, is reduced production and application cost, is reduced pesticide residue and environmental pollution.The composition has apparent synergistic effect to citrus red mite, simultaneous can also prevent various suckings pest, also have good control efficiency to hygienic fly.
Description
Technical field
The present invention relates to pesticide field more particularly to field of pesticides, and in particular to a kind of fruit insecticide composition and its
Using.
Background technique
In the real process of agricultural production, application chemical agent is prevention and treatment plant pest the most effective means, but
The problem of being most easily produced by chemical prevention pest is the generation of pest resistance to insecticide.And apply list to continuous high dose for a long time
One chemical insecticide, a series of problems, such as be easy to causeing residual, the environmental pollution of medicament.Moreover, new pesticides are developed
Cost also constantly soaring.
Fluazinam is a kind of prevention & protection fungicide, is mainly used for preventing and treating downy mildew, gray mold, anthracnose on vegetables
And the diseases such as shot hole, anthracnose, scab on fruit tree.Meanwhile it also has both miticidal effect, mechanism of action is to block mite
The energy of class synthesizes.At present on the U.S., TaiWan, China and other places as acaricide formal registration, for fruit trees such as citrus, apples
Red spider prevention and treatment.
Nylar is a kind of insect growth regulator, IGR of phenylate class upset insect growth, belongs to the novel of juvenoid
Insecticide has interior suction transfer activity, and low toxicity, the lasting period is long, small to eco-environmental impact to fish low toxicity to crop safety
The characteristics of.There is good prevention and treatment to imitate pear sucker, Bemisia tabaci, scale insect, diamondback moth, beet armyworm, prodenia litura, thrips etc.
Fruit.The medicament lasting period is up to 1 month or so, and easy to use, free from extraneous odour, is preferable insecticidal materials.
Compared with single chemical insecticide, develops and study efficient, less toxic, low-residual compound and mixed insecticide tool
There are the advantages such as small investment, lead time be short.The compounding or mixture of reasonable chemical insecticide, which have, to be expanded insecticidal spectrum, improves prevention and treatment
Effect, the generation for extending the medicament lasting period, reducing dosage, reducing phytotoxicity, reduce residual, delaying pest resistance and drug resistance
The features such as with development, gradually by attention both domestic and external.
Summary of the invention
The purpose of the present invention is to provide a kind of fruit insecticide composition and its applications, choose effective component fluazinam and pyrrole
After propyl ether is compounded, be conducive to the generation for delaying pest resistance to insecticide, and extend the medicament lasting period, field rate is low, especially
Synergistic effect for citrus red mite is obvious.
The present invention provides a kind of fruit insecticide composition, including effective component and auxiliary element, effective component is fluorine pyridine
The weight ratio of amine and Nylar, fluazinam and Nylar is 1:(0.1-10).
Preferably, the weight ratio of effective component fluazinam and Nylar is 1:(0.2-5).
Preferably, the weight ratio of effective component fluazinam and Nylar is 1:(0.25-1).
Preferably, the weight ratio of effective component fluazinam and Nylar is 4:1 or 3:1 or 2:1 or 1:1.
Preferably, effective component fluazinam and Nylar weight percent shared in the fruit insecticide composition contain
Amount is 1%-80%.
Preferably, effective component fluazinam and Nylar weight percent shared in the fruit insecticide composition contain
Amount is 15%-60%.
Preferably, auxiliary element includes carrier and auxiliary agent, carrier is one of water, solvent or filler or a variety of, is helped
Agent includes at least a kind of surfactant.
The present invention also provides a kind of applications of fruit insecticide composition, prevent or control undesirable evil for fruit tree
Worm, including citrus red mite, various suckings pest, hygienic fly (larva) etc.；Preferably, it is undesirable to pest be citrus
Red spider.
The present invention also provides a kind of prevention or the methods of control fruit tree pest insect, and above-mentioned fruit insecticide composition is used for fruit
On the treetop and leaf for setting pest growth.
Compared with prior art, the advantages and positive effects of the present invention are:
1, the present invention is made of the effective component of different role mechanism, and action site increases, and is conducive to delay red spider anti-
The generation of pharmacological property can effectively take into account the various suckings pest of prevention and treatment, such as aphid, thrips, aleyrodid and scale insect, to health
Fly (larva) also has good control efficiency.
2, the drug effect of fruit insecticide composition of the present invention significantly improves, and the lasting period extends, and field rate decline reduces life
Production and use cost, reduce pollution of the pesticide residue to environment.
3, for the present invention to safety of human and livestock, Environmental compatibility is good.
4, the present invention is low in cost, and preparing process is simple, is suitable for promoting the use of a large area.
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.
The embodiment provides a kind of fruit insecticide compositions, including effective component and auxiliary element, effectively at
It is divided into fluazinam and Nylar, the weight ratio of fluazinam and Nylar is 1:(0.1-10).The present invention is by different role mechanism
Effective component composition, action site increase, and are conducive to the generation for delaying red spider drug resistance, and extend medicament lasting period, field
Dosage is low, to reduce production and application cost, pesticide residue and environmental pollution is reduced, to safety of human and livestock.
To achieve the goals above and play a role, in the preferred embodiment of the present invention, effective component fluazinam and
The weight ratio of Nylar is set as 1:0.2-5.In above range, the insecticidal effect of effective component show as preferable addition or
Synergistic effect, such as: the weight ratio of effective component fluazinam and Nylar can be with are as follows: 1:0.2,1:0.25,1:0.33.1:0.5,
1:1,1:1.5,1:2,1:2.5,1:3,1:3.5,1:4,1:4.5,1:5 etc..Embodiment more preferably, effective component fluorine pyridine
The weight ratio of amine and Nylar be 1:0.25-1, wherein the weight ratio of effective component fluazinam and Nylar be 4:1 or 3:1 or
2:1 or 1:1 effect is best.
In a preferred embodiment, effective component fluazinam and Nylar weight shared in the fruit insecticide composition
Amount percentage composition is 1%-80%, and specific additive amount can be determined according to actual needs, such as the quality of fluazinam and Nylar can
Account for 1%, 5%, 10%, 15%, 20%, 25%, 30%, 35%, 40%, 45%, 50%, 55%, 60%, 65%, 70%,
80% etc. or above range in other any one values.In some more preferred embodiments, the fluazinam and Nylar
Quality accounts for the 15%-60% of the fruit insecticide composition gross mass.In the range, can meet drug effect play while,
Conducive to the dosage form for being prepared into excellent effect.
It further include carrier in the fruit insecticide composition in an alternative embodiment, carrier is selected from water, solvent, filler
One of or it is a variety of.Wherein, water is preferably deionized water；Solvent is selected from n,N-Dimethylformamide, cyclohexanone, toluene, two
Toluene, dimethyl sulfoxide, methanol, ethyl alcohol, trimethylcyclohexanone, n-octylpyrrolidone, ethanol amine, triethanolamine, isopropyl
Amine, N-Methyl pyrrolidone, propyl alcohol, butanol, ethylene glycol, diethylene glycol, ethylene glycol monomethyl ether, butyl ether, ethanol amine, isopropylamine, second
The mixture of one of acetoacetic ester or acetonitrile or a variety of compositions；Filler be selected from kaolin, diatomite, bentonite, attapulgite,
The mixture of one of white carbon black, starch or precipitated calcium carbonate or a variety of compositions.It is understood that mentioned kind is only column
Lift not exhaustive, other suitable carriers can also be used in the preparation process of above-mentioned composition.
It further include auxiliary agent in the fruit insecticide composition in an alternative embodiment, auxiliary agent includes at least a kind of surface
Activating agent, surfactant are selected from one of emulsifier, dispersing agent, wetting agent or a variety of.
Wherein, the emulsifier is selected from OP series phosphate (thermally coupled distillation columns), 600# phosphate (benzene
Base phenol polyethenoxy 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 polyoxyethanyl polypropylene-base ether), epoxy second
Alkane-propylene oxide block copolymer, OP serial (nonylphenol polyoxyethylene ether), BY serial (castor oil polyoxyethylene ether), agriculture breast
33# (alkylaryl polyoxyethylene poly-oxygen propylene aether), Span series (sorbitol anhydride monostearate), TWEEN Series (Sorbitan
Alcohol ester acid ester polyoxyethylene ether) or 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 or 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 or 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 or organosilicon or a variety of compositions.
It is understood that surfactant cited by above-described embodiment is common nonionic surfactant or yin
The single dose or compound preparation of ionic surface active agent, but selected surfactant can be not limited to it is above-mentioned cited,
It can also be in the art as other reasonable surfactants known to technical staff.
In an alternative embodiment, the auxiliary agent further include thickener, antifreezing agent, defoaming agent, disintegrating agent, in stabilizer
It is one or more.
Wherein, the thickener is selected from gelatin, sodium carboxymethylcellulose, hydroxyethyl cellulose, Sodium Polyacrylate, modified shallow lake
The mixture of one of powder, xanthan gum, bentonite, silica or aluminum magnesium silicate or a variety of compositions.The antifreezing agent is selected from
The mixture of one of ethylene glycol, propylene glycol, glycerine or urea or a variety of compositions.The defoaming agent is selected from silicone oil, silicone
One of class compound, C10~C20 saturated fat acids compound or C8~C10 fatty alcohols compound or a variety of compositions
Mixture.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 or sodium bicarbonate or a variety of compositions.The stabilizer is selected from epoxidized soybean oil, epoxy chlorine
The mixture of one of propane, BHT, ethyl acetate or triphenyl phosphate or a variety of compositions.It is understood that above-mentioned auxiliary agent
Type is only to enumerate not exhaustive, other surfactants that can play respective action are also applied in the preparation of composition.
Any one agent of suitable agricultural use can be prepared by known methods into fruit insecticide composition of the invention
Type, preferable dosage form are dispersible oil-suspending agent, suspending agent, missible oil, aqueous emulsion, wettable powder and water dispersible granules.
Another aspect provides the applications of above-mentioned fruit insecticide composition, prevent or control not wish for fruit tree
The pest of prestige, including citrus red mite, various suckings pest, hygienic fly (larva)；Preferably, it is undesirable to pest be
Citrus red mite.
Another aspect of the invention provides a kind of method prevented or control fruit tree pest insect, combines above-mentioned fruit insecticide
Object is used for the treetop and leaf of fruit tree pest insect growth.
Fruit insecticide composition 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.
Indoor biological activity assay
After verifying the two compounding using indoor co-toxicity bioassay test is carried out after fluazinam and pyriproxyfen compound
Whether there is synergistic effect.
1.1 reagent agent
95% fluazinam raw medicine, 95% Nylar raw medicine.
1.2 for trying target: the panonychus citri of field acquisition
Trial drug: dinotefuran and etoxazole are with different weight than the composition that forms
1.3 experimental procedure
1.3.1 test method
Suitable A, B are made into designed proportion according to the result of preliminary experiment, then with acetone are divided into each processing dilute
It is stand-by to be interpreted into 5 series of concentrations gradients.
1.3.2 chemicals treatment
" NY/T 1154.13-2008 farm-chemical indoor determination test rule insecticide (is referred to using leaf butterfly spray-on process
13rd part: leaf butterfly spray-on process "), the Mixed Pharmacy of publicity medicament and its different proportion is diluted to 5 graded series (pre-
On the basis of standby test result, the panonychus citri deutonymph death rate is set within the scope of 5%-90% by geometric progression), choose life
The Citrus leaf of long health, is made into leaf butterfly with punch, a wet sponge block is placed in culture dish, puts filter paper thereon, on filter paper
Foliation butterfly, every ware put 2 pieces of leaf butterflies, select health, age consistent panonychus citri deutonymph be inoculated on leaf butterfly, every leaf butterfly connects
Kind 20.The culture dish for being connected to leaf butterfly is placed under potter spray tower, spraying under 50PSI pressure, spray amount 1ml sinks
Culture dish is taken out after drop 1min, processed culture dish is then put into 25 DEG C, culture in 12H/12H illumination box.
1.4 control time
48h detects dead borer population, calculates the death rate.It is compared with clear water, each processing is repeated 4 times.
1.5 data statistics and analysis
According to investigation statistics, the corrected mortality of each processing is calculated.And Sun Yunpei's Method is used referring to NY/T1154.7-2006
Calculate the co-toxicity coefficient (CTC value) of mixture.If the control death rate < 5% does not correct, the death rate is compareed between 5%-20%, is pressed
Formula 2 is corrected, and compares the death rate > 20%, and 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, is calculated altogether using the LC50 that DPS software calculates single dose and each proportion mixture according to Sun Yunpei method
Malicious coefficient (CTC).Co-toxicity coefficient CTC, calculation formula are as follows: (using fluazinam as standard agent, toxicity index 100)
Survey toxicity index (ATI)=(standard agent LC50/ reagent agent LC50) × 100
Theoretical toxicity index (TTI)=∑ (toxicity index ATI of certain effective component × be somebody's turn to do in mixture of mixture preparation
The percentage composition of effective component)
Co-toxicity coefficient (CTC)=(mixture ATI/ mixture TTI) × 100
It is synergistic effect when CTC is greater than 120, is antagonism when less than 80, is summation action when 80~120.
1 fluazinam of table is with Nylar mixture to the toxicity test of panonychus citri
As can be seen from the table, in 5:1~1:5, co-toxicity coefficient is all larger than 120 for fluazinam and Nylar, shows as
Synergistic effect, wherein fluazinam: Nylar is that the synergistic effect of 3:1-2:1 is most obvious, co-toxicity coefficient 175-189.
Field control effectiveness test
1. configuring embodiment medicament
Embodiment 1:(77% fluazinam Nylar wettable powder) 10:1
Formula: fluazinam, 70%；Nylar, 7%；Wetting agent lauryl sodium sulfate, 5%；Dispersing agent lignin sulfonic acid
Calcium, 4%；Filler white carbon black, 3%, filler kaolin, surplus.
Embodiment 2:(60% fluazinam Nylar wettable powder) 5:1
Formula: fluazinam, 50%；Nylar, 10%；Wetting agent lauryl sodium sulfate, 4%；Dispersing agent sulfomethylated lignin
Sour calcium, 6%；Filler white carbon black, 10%, filler kaolin, surplus.
Embodiment 1,2 preparation methods: in Example formulations ratio, carrier is added in effective component fluazinam and Nylar
In, and surfactant and other function auxiliary agent are added wherein, mixing remixes obtained wettable powder after air-flow crushing
Agent.Capital equipment has mixing machine, airslide disintegrating mill.
Embodiment 3:(75% fluazinam Nylar water dispersible granules) 4:1
Formula: fluazinam, 60%；Nylar, 15%；Wetting agent dodecylbenzene sodium sulfonate, 4%；Dispersing agent alkylnaphthalene sulphur
Hydrochlorate formaldehyde condensation products, 6%；Filler attapulgite, surplus.
Embodiment 4:(60% fluazinam Nylar water dispersible granules) 3:1
Formula: fluazinam, 45%；Nylar, 15%；Wetting agent dodecylbenzene sodium sulfonate, 5%；Dispersing agent alkylnaphthalene sulphur
Hydrochlorate formaldehyde condensation products, 4%；Filler attapulgite, surplus.
Embodiment 3,4 preparation methods: in Example formulations ratio, carrier is added in effective component fluazinam and Nylar
In, and surfactant and other function auxiliary agent are added wherein, mixing adds 10~25% water, so after air-flow crushing
By kneading, granulation, drying, sieve obtained water dispersible granules product；Or the powder that crushed is sprayed water in boiling granulator,
It is granulated, is dry, sieving product is made later.Capital equipment has mixing machine, airslide disintegrating mill, kneader, Squeezinggranulator, drying chamber
Or fluidized bed drying or boiling granulator, screening machine.
Embodiment 5:(30% fluazinam Nylar aqueous suspension agent) 2:1
Formula: fluazinam, 20%；Nylar, 10%；Emulsifier agriculture breast NP-10,3%；Dispersant polycarboxylate, 8%；
Thickener selects xanthan gum and aluminium-magnesium silicate, dosage are respectively 0.1% and 1%；Antifreeze glycol, 5%；Defoaming agent silicone
Compound, 0.2%；Water, surplus.
Embodiment 6:(30% fluazinam Nylar aqueous suspension agent) 1:1
Formula: fluazinam, 15%；Nylar, 15%；Emulsifier agriculture breast NP-10,2%；Dispersant polycarboxylate, 6%；
Thickener selects xanthan gum and aluminium-magnesium silicate, dosage are respectively 0.15% and 1.5%；Antifreeze glycol, 5%；Defoaming agent silicon
Ketone compounds, 0.1%；Water, surplus.
Embodiment 5,6 preparation methods: pressing formula rate, by effective component fluazinam and Nylar, surfactant and its
He is sequentially placed into reaction kettle functional aid, is mixed with water, and through high speed shear, wet process is sanded, and last homogeneous filtering is
Obtain product.Capital equipment is batching kettle, colloid mill or homogeneous mixing machine, sand mill.
Oil-suspending agent can be dispersed in embodiment 7:(27% fluazinam Nylar) 1:2
Formula: fluazinam, 9%；Nylar, 18%；Emulsifier agriculture breast BY-125,8%；Oil dispersant polycarboxylate,
8%；Thickener selects organobentonite, and dosage is respectively 1.6%；Oil, surplus.
Oil-suspending agent can be dispersed in embodiment 8:(28% fluazinam Nylar) 1:3
Formula: fluazinam, 7%；Nylar, 21%；Emulsifier agriculture breast BY-125,7%；Oil dispersant polycarboxylate,
8%；Thickener selects organobentonite, and dosage is respectively 1.6%；Oil, surplus.
Embodiment 7,8 preparation methods: pressing formula rate, by effective component fluazinam and Nylar, surfactant and its
He is sequentially placed into reaction kettle functional aid, refuels and is uniformly mixed, and through high speed shear, wet process is sanded, and last homogeneous filtering is
Obtain product.Capital equipment is batching kettle, colloid mill or homogeneous mixing machine, sand mill.
Embodiment 9:(15% fluazinam Nylar missible oil) 1:4
Formula: fluazinam, 3%；Nylar, 12%；Emulsifier selects agriculture breast 500# and agriculture breast OP-15#, dosage are respectively
5% and 6%；Solvent selection N- dimethyl pyrrolidone, 10%；Cyclohexanone, 15%；Solvent naphtha, surplus.
Embodiment 10:(24% fluazinam Nylar missible oil) 1:5
Formula: fluazinam, 4%；Nylar, 20%；Emulsifier selects agriculture breast 500# and agriculture breast OP-15#, dosage are respectively
5% and 8%；Solvent selection N- dimethyl pyrrolidone, 15%；Cyclohexanone, 22%；Solvent naphtha, surplus.
Embodiment 9,10 preparation methods: effective component dimethirimol and pyraclostrobin are added in Example formulations ratio
In carrier, and surfactant and other function auxiliary agent are added wherein, are uniformly mixed in being stirred kettle.
Being stirred kettle can be selected enamel reaction still, stainless steel stirred tank etc..
Embodiment 11:(16.5% Nylar fluazinam aqueous emulsion) 1:10
Formula: fluazinam, 1.5%；Nylar, 15%；Emulsifier agriculture breast NP-10,2%；Castor oil polyoxyethylene ether,
2%；Phenyl phenol polyoxyethylene ether phosphate, 2%；Solvent, 18%；Cosolvent, 10%；Xanthan gum and 0.1%；Antifreezing agent second two
Alcohol, 5%；Defoaming agent silicone compound, 0.2%；Water, surplus.
11 preparation method of embodiment: effective component, emulsifier, solvent, cosolvent dissolution are become into oil according to formula rate
The other compositions such as water, antifreeze, preservative, thickener are uniformly mixed and are used as water phase by phase；High speed shear is same in a kettle
When oil is mutually added dropwise to water phase, shearing for a period of time, forms stable oil-in-water type aqueous emulsion.
2. field trial prevents and treats citrus red mite
2.1 test method
Test carries out in Guangxi province Guilin City, Baisha Zhen plate village citrus plantation, Yangshuo County.It is carried out by each processing design concentration
Routine is to water spray.Spraying equipment is WF-16 type knapsack hand sprayer, and spray head is single fan nozzle, operating pressure
For 0.2-0.4Mpa, spray amount 0.36-0.48L/min, carry out conventional spraying, when spray makes every effort to uniformly thoughtful.
Weather is good during test, fine, gentle breeze, and temperature is 23.5~30.4 DEG C.
2.2 investigation method
Population number is investigated before medicine, investigation in 3,7,14,21 days remains borer population living after medicine, the thing south set in each cell
A treetop is respectively selected in northern 4 directions, and 5 leaves of every tip label investigate the red spider quantity on 4 20 leaves altogether.With following public affairs
Formula calculates decline rate and preventive effect.
2.3 drug effect calculation methods
2.4 phytotoxicity investigation methods
1,3,7,14,21 days observation Ci trus growth situations after medicine estimate medicament to citrus without phytotoxicity.
2.5 field control effectiveness test result
Data processing carries out evaluation preventive effect using DPS software.
2 treatment agent of table prevents and treats citrus red mite field control effectiveness test result
It can be seen that after different formulations are compounded from the data of table 2, mixture preparation (Examples 1 to 10) is for citrus
The control efficiency of red spider is substantially better than 10% Nylar EC of 40% fluazinam SC of comparison medicament and contrast agents, illustrates fluazinam
There are apparent synergistic effects after compounding according to a certain percentage with two kinds of effective components of Nylar.
3. field trial prevents and treats apple aphid
3.1 test method
It tests and is tested in Shaanxi Province, apple orchard, the town Tongchuan City Sun Yuan, apple growing way is fine, and the soil texture is earth
Soil, middle fertility, application medical instruments are bodyguard WS-16 type hand sprayer, and cone nozzle is spraying, operating pressure 0.2-
0.4MPa, flow 0.65-0.88L/mi n.
Weather is good during test, fine, gentle breeze, and temperature is 16.8~28.5 DEG C.
3.2 control times and method
Population number is investigated before medicine, investigation in 3,7,14,21 days remains borer population living after medicine, the thing south set in each cell
A treetop is respectively selected in northern 4 directions, and 5 leaves of every tip label investigate the Aphed population on 4 20 leaves altogether.Use following formula
Calculate decline rate and preventive effect.
3.3 drug effect calculation methods
Revision insect recluced rate (%)=(larva number after medicine prelarva number-medicine)/medicine prelarva number × 100
Preventive effect (%)=(treatment region Revision insect recluced rate-control Revision insect recluced rate)/(check plot 100- Revision insect recluced rate) ×
100。
3.4 phytotoxicity investigation methods
1,3,7,14 after medicine, 21 days observation Apple Growth situations estimate medicament to apple tree without phytotoxicity.
3.5 field control effectiveness test result
Data processing carries out evaluation preventive effect using DPS software.
The field control effectiveness test result of 3 treatment agent of table prevention and treatment apple aphid
The mixture preparation (Examples 1 to 10) of different proportion as can be seen from Table 3, its prevention and treatment to apple aphid after medicine
It is superior to the effect of comparison medicament 40% fluazinam SC and 10% Nylar EC.It is estimated according to field, within the range of experimental dose,
Plant growth is normal, and each treatment agent does not occur the phytotoxicity phenomenon to apple, illustrates that it is safe to apple.
By the measurement of the above toxicity and field control effectiveness test discovery, can be reduced after fluazinam and pyriproxyfen compound each
From dosage, delay the generation of pest resistance to insecticide, safety and environmental protection does not influence to grow to crop safety under test dose.Fluorine pyridine
Amine and Nylar are the combinations of more satisfactory compound drug.Compared with single dose, fruit insecticide composition of the present invention has medication
Amount is few, quick, the advantages of delaying pest resistance to insecticide to generate, and research and development of the invention and promotes for farmer richness and local ecology
The protection of environment is of great significance.
Claims (10)
1. a kind of fruit insecticide composition, which is characterized in that including effective component and auxiliary element, effective component be fluazinam and
The weight ratio of Nylar, fluazinam and Nylar is 1:(0.1-10).
2. fruit insecticide composition according to claim 1, which is characterized in that the weight of effective component fluazinam and Nylar
Amount is than being 1:(0.2-5).
3. fruit insecticide composition according to claim 2, which is characterized in that the weight of effective component fluazinam and Nylar
Amount is than being 1:(0.25-1).
4. fruit insecticide composition according to claim 3, which is characterized in that the weight of effective component fluazinam and Nylar
Amount is than being 4:1 or 3:1 or 2:1 or 1:1.
5. fruit insecticide composition according to any one of claims 1-4, which is characterized in that effective component fluazinam and
Nylar weight percentage shared in the fruit insecticide composition is 1%-80%, preferably 15%-60%.
6. fruit insecticide composition according to claim 5, which is characterized in that auxiliary element includes carrier and auxiliary agent, is carried
Body is one of water, solvent or filler or a variety of, and auxiliary agent includes at least a kind of surfactant.
7. fruit insecticide composition according to claim 6, which is characterized in that the surfactant be selected from emulsifier,
One of dispersing agent, wetting agent or bleeding agent are a variety of；The auxiliary agent further includes antifreezing agent, thickener, stabilizer, disintegration
It is one or more in agent, defoaming agent.
8. fruit insecticide composition according to claim 5, which is characterized in that the dosage form of the fruit insecticide composition is
Dispersible oil-suspending agent, one of suspending agent, missible oil, aqueous emulsion, wettable powder and water dispersible granules.
9. the application of fruit insecticide composition described in claim 1-8 any one, which is characterized in that for fruit tree prevention or
Control undesirable pest, including citrus red mite, various suckings pest, hygienic fly (larva) etc.；Preferably, it does not wish
The pest of prestige is citrus red mite.
10. the method for prevention or control fruit tree pest insect, which is characterized in that kill fruit tree described in claim 1-8 any one
Worm composition is used for the treetop and leaf of fruit tree pest insect growth.
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| CN201910425538.XA CN110100825A (en) | 2019-05-21 | 2019-05-21 | Fruit insecticide composition and its application |
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| CN111226942A (en) * | 2020-03-11 | 2020-06-05 | 山东滨海瀚生生物科技有限公司 | Agricultural acaricidal composition and application thereof |
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Application publication date: 20190809 |