CN103098819B - The Synergistic mite killing composition of second mite azoles and gamma cyhalothrin - Google Patents
The Synergistic mite killing composition of second mite azoles and gamma cyhalothrin Download PDFInfo
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- CN103098819B CN103098819B CN201210583656.1A CN201210583656A CN103098819B CN 103098819 B CN103098819 B CN 103098819B CN 201210583656 A CN201210583656 A CN 201210583656A CN 103098819 B CN103098819 B CN 103098819B
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Abstract
The invention discloses the Synergistic mite killing composition of a kind of second mite azoles and gamma cyhalothrin, its active ingredient is second mite azoles and gamma cyhalothrin, and second mite azoles and the gamma cyhalothrin weight ratio in composition is 20:1～1:10. After second mite azoles and high-efficient lambda-cyhalothrin compound, there is obvious synergistic function, the harmful mite on the plants such as fruit tree, cotton, vegetables, flowers is had to outstanding prevention effect, be better than two kinds of single doses and use separately.
Description
Technical field
The present invention relates to agricultural chemicals miticide composition and application thereof, specifically with second mite azoles and efficient cyhalothrinEster is the composite binary complex of active ingredient, is applied to the control of evil mite on the plants such as fruit tree, cotton, vegetables, flowers.
Background technology
Second mite azoles, english common name etoxazole, is a kind of brand-new acaricide with special construction. Its effectMode is to suppress embryo's formation of mite ovum and the process of casting off a skin from young mite to one-tenth mite, if effective to ovum and mite, to becoming mite invalid.Therefore, the control time of its best is the evil mite harm initial stage. This medicament rain fastness is strong, and the lasting period reaches 50 days, environmentally safe.To tools such as the tetranychid on the crops such as oranges and tangerines, cotton, apple, flowers, vegetables, beginning tetranychid, Panonychus citri, Tetranychus urticae, Tetranychus cinnabarinusThere is remarkable preventive effect.
Gamma cyhalothrin, english common name Lambda-cyhalothrin, is a kind of plan except insects Insecticiding-miticidingAgent, the mechanism of action is to suppress the conduction at insect neural axon position, insect is had to the effect of walking quickly and keeping away, knocking down and killing. SprayRear resistance of rainwater washing against, but long-term use easily produces resistance to it. Insecticidal spectrum is wide, and activity is higher, and drug effect is rapid. To Lepidoptera, sheathThe various pests such as wing order and Semiptera and other insects, and tetranychid, rust mite, goitre mite, tarsonemid etc. have good result, worm,When mite is concurrent, can doublely control, can prevent and treat pink bollworm and bollworm, cabbage caterpillar, turnip aphid, tea geometrid, Euproctis pseudoconspersa, tea orange goitreMite, leaf goitre mite, oranges and tangerines leaf moth, tangerine aphid and oranges and tangerines tetranychid, rust mite, small heart-eating peach worm and oriental fruit months etc., also can be used to preventKind earth's surface, Zhiduo County and public health insect.
Mite class is the common insect of a class, and the crops such as danger to vegetables, fruit tree, cotton, often cause destructive calamity to cropEvil. Evil mite occurs from generation to generation many, and fertility is strong, and under suitable temperature and humidity conditions, evil mite quantity is rapid in the short period of timeIncrease exponentially, thereby easily acaricide is developed immunity to drugs, cause serious harm to crop simultaneously. For example, panonychus citri(PanonychuscitriMcGregor) be the Main Harmful mite that current China oranges and tangerines growing area generally occurs, the generation cycle is short,Fertility is strong, is easy to control medicament to develop immunity to drugs; For another example Tetranychus urticae (TetranychusurticaeKoah),Be worldwide harmful mite, be commonly called as white spider, be in recent years in orchard large, the resistance to the action of a drug of harm by force, the one evil mite of more difficult control.
Different pesticide species compositions carry out composite, are the common methods of the agriculture resistant insect evil of control mite. The inventor existsOn a large amount of indoor virulences and the basis of field medicine effect test, to the compounded formula of second mite azoles and gamma cyhalothrin screen intoGo further investigation, found that second mite azoles and gamma cyhalothrin carry out composite, in certain proportion, had significantlySynergistic function, and various harmful mites are had to outstanding prevention effect, after further study, complete the present invention.
Summary of the invention
The miticide composition that the object of the present invention is to provide a kind of second mite azoles and gamma cyhalothrin, said composition is multipleJoin and there is obvious synergistic function.
Another object of the present invention is to the miticide composition of a kind of second mite azoles and gamma cyhalothrin, in use canTo reduce dosage, delay the drug-fast generation of evil mite, can also make its prevention effect to various harmful mites obviously improve, be better than listAgent is used separately, and laborsaving, economical, the pollution of minimizing to environment, reduces farmer's burdens.
Technical scheme of the present invention: a kind of miticide composition, active ingredient is second mite azoles and gamma cyhalothrin, second miteAzoles and the gamma cyhalothrin weight ratio in composition is 20:1～1:10, and second mite azoles and gamma cyhalothrin are in combinationGross weight percentage composition in thing is 5～80%, and all the other are in agricultural chemicals, to allow to use and acceptable auxiliary element.
Miticide composition of the present invention is prepared into and is applicable to upper any one formulation using of agricultural by known method, relatively goodFormulation have suspending agent, water dispersible granules and wettable powder.
The auxiliary element using in the present composition comprises solvent, emulsifying agent, wetting agent, stabilizing agent, dispersant, thickeningAgent, pH adjusting agent, defoamer, antifreezing agent, packing agent etc. are of value to active ingredient stable and performance drug effect known in preparationMaterial is all conventional in pesticidal preparations or allow the various compositions that use, and concrete composition and consumption require by examination according to formulaTest definite.
The frequency of administration of the present composition and amount of application have small variations with crops, insect, weather condition variation,Can be by using suitable dosage to reach the object of effective control.
Compared with prior art, the invention has the advantages that.
1, composite have an obvious synergistic function, uses separately the prevention effect having improved evil mite than single dose,Overcome second mite azoles to becoming the invalid defect of mite.
2, double action mechanism, delays the drug-fast generation of evil mite.
3, two kinds of active ingredients are composite, reduced agricultural chemicals use amount, reduced use cost and the pollution to environment.
Detailed description of the invention
In order to understand better essence of the present invention, below in conjunction with embodiment, content of the present invention is described further,But can not be considered as limitation of the present invention. Each component percentage composition described in embodiment is weight percentage.
(1) formula and preparation processing embodiment.
In the embodiment of the present invention, active ingredient adopts the 93% former medicine of second mite azoles and the former medicine of 95% gamma cyhalothrin.
Embodiment 1:20% second mite azoles gamma cyhalothrin suspending agent.
Take 5% second mite azoles, 15% gamma cyhalothrin, 10% lignosulfonates, 2.5% spaonin powder, 1.5% acrylic acidSodium, 2% glycerine, 0.4% organosilicon, deionized water complements to 100%. Above-mentioned raw materials is through mixing, and high speed shear is disperseed after 30min,After grinding with skin grinder, make 20% second mite azoles gamma cyhalothrin suspending agent.
Embodiment 2:25% second mite azoles gamma cyhalothrin suspending agent.
Take 10% second mite azoles, 15% gamma cyhalothrin, 8% alkyl benzene sulfonate calcium salt, 8% soapberry powder, 0.2% xanthanGlue, 2.5% polyethylene glycol, 0.2% silicone oil, deionized water complements to 100%. Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30minAfter, after grinding with skin grinder, make 25% second mite azoles gamma cyhalothrin suspending agent.
Embodiment 3:50% second mite azoles gamma cyhalothrin water dispersible granules.
Take 35% second mite azoles, 15% gamma cyhalothrin, 10% sodium alkyl benzene sulfonate, 10% lignosulfonates, 8% poly-Vinyl alcohol, 10% sodium chloride, bentonite adds to 100% weight portion above-mentioned raw materials through mixing, ultra micro air-flow crushing, mixing, granulation systemObtain 50% second mite azoles gamma cyhalothrin water dispersible granules.
Embodiment 4:55% second mite azoles gamma cyhalothrin water dispersible granules.
Take 30% second mite azoles, 25% gamma cyhalothrin, 5% sodium lignin sulfonate, 4%NNO, 2%K-12,5% hard charcoalBlack, 2% cornstarch, 8% glucose, diatomite adds to 100%. Above-mentioned raw materials is through mixing, ultra micro air-flow crushing, mixing, granulation systemObtain 55% second mite azoles gamma cyhalothrin water dispersible granules.
Embodiment 5:40% second mite azoles gamma cyhalothrin wettable powder.
Take 15% second mite azoles, 25% gamma cyhalothrin, 5% polycarboxylate, 5% lauryl sodium sulfate, 10% hard charcoalBlack, bentonite adds to 100%. Above-mentioned raw materials, through mixing, makes 40% second mite azoles gamma cyhalothrin wettable after air-flow crushingProperty pulvis.
Embodiment 6:45% second mite azoles gamma cyhalothrin wettable powder.
Take 30% second mite azoles, 15% gamma cyhalothrin, 10% aliphatic amine polyoxyethylene phonetic, 5% pull open powder, 2% sulfuric acidAmmonium, 10% white carbon, kaolin adds to 100%. Above-mentioned raw materials, through mixing, makes the efficient chlorine fluorine of 45% second mite azoles after air-flow crushingCyano chrysanthemate wettable powder.
(2) the indoor biological activity determination of the present composition and field efficacy checking.
1, second mite azoles and the gamma cyhalothrin indoor joint toxicity measuring to cotton Tetranychus cinnabarinus.
Test medicine adopts the 93% former medicine of second mite azoles and the former medicine of 95% gamma cyhalothrin. Examination worm is to gather through chamber from fieldIf the cotton Tetranychus cinnabarinus mite in 3 generations of interior raising.
Test method adopts leaf butterfly spray-on process (with reference to " test of NY/T1154.13-2008 farm-chemical indoor determination is accuratePesticide. the 13rd part: leaf butterfly spray-on process "). Concrete operation method is as follows: each single dose and Mixed Pharmacy are arranged to 5 differencesConcentration gradient (on the basis of pilot study result, if the cotton Tetranychus cinnabarinus mite death rate is pressed etc. in 5% ~ 90% scopeSet than progression).
Choose the consistent cotton leaf of growth, make leaf butterfly with card punch, in culture dish, place a wet sponge piece, on itPut filter paper, foliation butterfly on filter paper, every ware is put 2 leaf butterflies, completely connects if select cotton Tetranychus cinnabarinus healthy, that Individual Size is consistentPlant leaf butterfly upper, 20 of every leaf butterfly inoculations.
The culture dish that is connected to leaf butterfly is placed under potter spray tower, under 50PSI pressure, sprays, spray amount is 1ml, heavyAfter falling 1min, take out culture dish, then the culture dish of processing is put into 12H/12H illumination box and cultivate, 48h checks deadBorer population, calculates the death rate. 4 repetitions are established in every processing, and establish the processing of clear water blank.
Carry out statistical analysis with DPS statistical analysis software, calculate the LC of each medicament50, evaluate the acaricidal activity of each medicament.And according to the co-toxicity coefficient (CTC value) of the abundant method calculating of Sun Yun mixture. Actual measurement toxicity index (ATI)=(standard medicament LC50/ for reagentAgent LC50）×100。
Percentage composition+B medicament toxicity index of A in theoretical toxicity index (TTI)=A medicament toxicity index × mixture ×The percentage composition of B in mixture.
Co-toxicity coefficient (CTC)=[the theoretical toxicity index of mixture actual measurement toxicity index (ATI)/mixture (TTI)] × 100.
According to the NY/T11547.7-2006 pesticide synergy criteria for classifying: co-toxicity coefficient (CTC) >=120 shows asSynergistic effect; Co-toxicity coefficient (CTC)≤80 shows as antagonism; 80 < co-toxicity coefficient (CTC) < 120 show as to be added and doWith.
Can find out from result of the test table 1, second mite azoles and gamma cyhalothrin are at 20:1～1:10(by weight) modelEnclose interiorly when composite, co-toxicity coefficient (CTC) is all greater than 120, if cotton Tetranychus cinnabarinus mite is shown to obvious synergistic function,Especially composite in scope at 10:1～1:1(by weight), synergistic function is more obvious, and co-toxicity coefficient (CTC) all existsMore than 150, visible second mite azoles and high-efficient lambda-cyhalothrin compound have reasonability and feasibility.
If table 1, second mite azoles and gamma cyhalothrin are to the full indoor joint toxicity measuring result of cotton Tetranychus cinnabarinus.
2, second mite azoles and the high-efficient lambda-cyhalothrin compound field control effectiveness test to panonychus citri.
Investigation insect population radix before dispenser, after medicine, 3d, 7d, 14d, 30d investigate respectively residual mite number alive, and investigation Shi Mei community is looked into2 strains, every strain is looked into respectively 5 blades by orientation, 4 of the four corners of the world, and every community is looked into 40 blades altogether, records the mite number of living, and calculates controlEffect. Prevention effect computational methods are as follows:
Prevention effect (%)=(1-CK1×Pt1/CK2×Pt2) × 100. Wherein: CK1Represent the front insect population number of check plot medicine,Pt1Represent insect population number after treatment region medicine, CK2Represent insect population number after the medicine of check plot, Pt2Represent the front insect population number for the treatment of region medicine.
The result of the test of table 2,20% second mite azoles gamma cyhalothrin suspending agent control panonychus citri.
Can find out from result of the test table 2,20% second mite azoles gamma cyhalothrin suspending agent uses 3000～5000Doubly, after 3d, 7d, 14d, 30d, all to use apparently higher than the second mite azole suspending agent single dose same period 11% preventive effect of panonychus citri5000 times and 10% gamma cyhalothrin water dispersible granules single dose are used 2000 times, and second mite azoles and gamma cyhalothrin are describedComposite and two kinds of single doses can improve panonychus citri preventive effect compared with using separately, have good lasting effect simultaneously, testDo not find that during this time this compound drug produces poisoning to oranges and tangerines.
3, second mite azoles and the high-efficient lambda-cyhalothrin compound field control effectiveness test to cotton Tetranychus cinnabarinus.
Investigation insect population radix before dispenser, after medicine, 3d, 7d, 14d, 30d investigate respectively residual mite number alive, and investigation Shi Mei community is looked into2 strains, every strain is looked into respectively 5 blades by orientation, 4 of the four corners of the world, and each community is looked into 40 blades altogether, records the mite number of living, and calculates anti-Control effect. Prevention effect computational methods are as follows:
Prevention effect (%)=(1-CK1×Pt1/CK2×Pt2) × 100. Wherein: CK1Represent the front insect population number of check plot medicine.Pt1Represent insect population number after treatment region medicine. CK2Represent insect population number after the medicine of check plot. Pt2Represent the front insect population number for the treatment of region medicine.
Table 3,20% second mite azoles gamma cyhalothrin suspending agent control cotton Tetranychus cinnabarinus result of the test.
Can find out from test structure table 3,20% second mite azoles gamma cyhalothrin suspending agent uses 3000～5000Doubly, after 3d, 7d, 14d, 30d, all to use apparently higher than the second mite azole suspending agent single dose same period 11% preventive effect of cotton Tetranychus cinnabarinus5000 times and 10% gamma cyhalothrin water dispersible granules single dose are used 2000 times, and second mite azoles and gamma cyhalothrin are describedComposite and two kinds of single doses can improve cotton Tetranychus cinnabarinus preventive effect compared with using separately, have good lasting effect simultaneously, examinationDuring testing, do not find that this compound drug produces poisoning to cotton.
In sum, it is the complex composition of second mite azoles and gamma cyhalothrin that the present invention adopts two kinds of active components,Compared with existing unitary agent, not only there is obvious synergistic effect, also there is good miticidal effect, the lasting period is long, canSlow down the drug-fast generation of harmful mite, to Crop securify, be worth applying in agricultural production.
Claims (4)
1. a Synergistic mite killing composition for second mite azoles and gamma cyhalothrin, is characterized in that: active ingredient is second mite azolesAnd gamma cyhalothrin; Described second mite azoles and the weight ratio of gamma cyhalothrin in composition are 20:1～1:10.
2. the Synergistic mite killing composition of second mite azoles according to claim 1 and gamma cyhalothrin, is characterized in that: secondMite azoles and the gamma cyhalothrin gross weight percentage composition in composition is 5～80%.
3. the Synergistic mite killing composition of second mite azoles according to claim 1 and gamma cyhalothrin, is characterized in that: shouldThe formulation of composition is the one in suspending agent, water dispersible granules and wettable powder.
4. the Synergistic mite killing composition of second mite azoles claimed in claim 1 and gamma cyhalothrin is control fruit tree, cotton, vegetablesApplication in the evil mite of dish and flowers.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038809A (en) * | 1988-06-09 | 1990-01-17 | 八洲化学工业株式会社 | azoles quinoline or thiazoline derivative and its method for making |
| CN1102760A (en) * | 1993-09-22 | 1995-05-24 | 住友化学工业株式会社 | Assignment of priority rights |
| WO2005118552A2 (en) * | 2004-04-13 | 2005-12-15 | E.I. Dupont De Nemours And Company | Anthranilamide insecticides |
| CN101437402A (en) * | 2006-02-24 | 2009-05-20 | 拜尔农作物科学股份公司 | Combination of active ingredients with insecticidal and acaricidal properties |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038809A (en) * | 1988-06-09 | 1990-01-17 | 八洲化学工业株式会社 | azoles quinoline or thiazoline derivative and its method for making |
| CN1102760A (en) * | 1993-09-22 | 1995-05-24 | 住友化学工业株式会社 | Assignment of priority rights |
| WO2005118552A2 (en) * | 2004-04-13 | 2005-12-15 | E.I. Dupont De Nemours And Company | Anthranilamide insecticides |
| CN101437402A (en) * | 2006-02-24 | 2009-05-20 | 拜尔农作物科学股份公司 | Combination of active ingredients with insecticidal and acaricidal properties |
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