CN103004864A - Pesticide composition containing bifenazate and phoxim - Google Patents
Pesticide composition containing bifenazate and phoxim Download PDFInfo
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- CN103004864A CN103004864A CN2013100086972A CN201310008697A CN103004864A CN 103004864 A CN103004864 A CN 103004864A CN 2013100086972 A CN2013100086972 A CN 2013100086972A CN 201310008697 A CN201310008697 A CN 201310008697A CN 103004864 A CN103004864 A CN 103004864A
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- bifenazate
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Abstract
The invention relates to a pesticide composition. The pesticide composition is characterized by comprising two active ingredients namely bifenazate and phoxim. The pesticide composition has the characteristics of being low in toxicity, high in efficiency, wide in insecticidal range and the like, and has rapid insecticidal activity on various insect pests such as tetranychus urticae koch, carminespider mite, aphid, and lepidopterous larvae; the composited pesticide effect is obviously higher than those of two single dosages; the pesticide dosage can be reduced; the pollution to the environment is reduced; the generation of insecticide resistance is delayed, and the pesticide composition has obvious economical benefit and social benefit.
Description
Technical field
The invention belongs to technical field of pesticide, relate to the binary complex that contains effective active composition Bifenazate and phoxim compound, be applied to the control of various pests.
Background technology
Bifenazate (bifenazate) chemical name: 3-(4-methoxyl biphenyl base-3-yl) carbazic acid isopropyl ester, molecular formula: C
17H
20N
2O
3It is a kind of new selective foliar spray miticide, Main Function is in an aminobutyric acid (GABA) acceptor of the nervous centralis conducting system of mite class, each vegetative stage to mite is all effective, and is if having ovicidal activity and knock down fast activity to what become mite, less on the natural enemy impact, can be used for preventing and treating the spider mite kind evil mite on the crops such as vegetables, fruit tree, strawberry, toxicity is very low, and is environmentally friendly, is fit to very much the comprehensive regulation to the evil mite.
Phoxim claims again phoxim, phoxim, chemistry O-a cyano group phenyl imido O by name, and the O-diethyl sulfide is by phosphoric acid, it is the organophosphorus insecticide of a kind of efficient, low toxicity, broad spectrum activity, its mechanism of action is the cholinesterase that suppresses in the insect bodies, has stomach toxicity and action of contace poison, and quick-acting is good.Because this medicament sees that light easily decomposes, the longevity of residure is short, to food security, can prevent and treat the various pests on tea, mulberry, vegetables, the fruit tree.
Agricultural chemicals is used very extensive as the Main Means of chemical control agricultural pests at present.Yet use for a long time the agricultural chemicals of single variety, can cause insect to develop immunity to drugs.Because various pests mixed occurrence on same crop repeats dispenser and will strengthen labour cost.Field trial shows, the mixed pesticide that mechanism of action is different can not only be postponed drug-fast generation, can also enlarge insecticidal spectrum, effectively prevents and treats various pests, and environmental contamination reduction reduces labour cost, has good economic benefit.
The inventor conducts in-depth research the application of Bifenazate, phoxim, find that Bifenazate and phoxim are mixed, in certain mixed ratio scope, has obvious synergistic effect, when the multiple harmful mite of control, than using the single dose effect that obvious lifting is arranged, and can doublely control other insects such as cabbage caterpillar, cotton bollworm, aphid, finished after further study the present invention.
Summary of the invention
1, the purpose of this invention is to provide a kind of miticide composition that contains Bifenazate and phoxim, can enlarge the desinsection scope after said composition is composite, have obvious synergistic effect.
2, the present invention is different according to the mechanism of action of Bifenazate and phoxim, with its composite dosage that reduces, to overcome or to delay generation and the development of pest resistance to insecticide, improves control efficiency.
3, the present composition is characterised in that: take Bifenazate and phoxim as active ingredient, Bifenazate and phoxim weight ratio are 10 ~ 1:1 ~ 80.
4, utilize composition pesticide of the present invention, be prepared into the suspending agent that is fit to the upper use of agricultural with known method.
The auxiliary element that uses in the composition pesticide of the present invention comprises that wetting agent, antifreezing agent, thickener, packing agent etc. are of value to active ingredient stablizes and bring into play drug effect in preparation known substance, all be various compositions commonly used in the pesticidal preparations or that permission is used, concrete composition and consumption require to pass through test according to prescription and determine.
Of the present invention having the following advantages:
1, the indoor biometrics result shows, composite have an obvious synergistic function, uses separately the control efficiency that has improved the evil mite than single dose.
2, two kinds of medicaments rear expansion desinsection scope that is mixed is wide, can be used for preventing and treating the mite class, and double eliminating aphis and the insect such as lepidopterous larvae.
3, two kinds of pharmacy effect mechanism are different, can delay the generation of pest resistance to insecticide.
4, the synergistic effect of two kinds of active ingredients after composite can reduce the agricultural chemicals usage amount, reduces the pollution to environment.
Specific embodiments
In order to understand better essence of the present invention, following instantiation is in order to further specifying the present invention, but the present invention absolutely not only only limits to following these examples.Percentage all is weight percentage in the prescription, and used former medicine and auxiliary agent are other producers and buy.
1, prescription and preparation processing embodiment
According to the prescription requirement, take water as medium, with grinding in the adding sand mills such as active ingredient, wetting agent, dispersant, thickener, defoamer, then carry out emulsification, make suspending agent.
2, prescription and preparation processing embodiment
Bifenazate 20%, chlopyrifos 20%, alkylphenol polyoxyethylene 5.5%, silicone compound 0.15%, lauryl sodium sulfate 4%, polyvinyl alcohol 0.3%, propane diols 3%, deionized water adds to 100%, mixes to make 40% Bifenazate phoxim suspending agent.
3, the indoor biological activity determination of the present composition and field efficacy checking
Implementation of an application example one:
The miticide composition of Bifenazate and phoxim is to Tetranychus urticae Toxicity Determination test on the eggplant
Test medicine adopts the former medicine of 97% biphenyl hydrazine and 91% Phoxim original medicine; The examination worm is to become mite from the Tetranychus urticae that the field eggplant is adopted back.
Test method is with reference to FAO(FAO (Food and Agriculture Organization of the United Nation)) standard method of the mensuration evil mite of recommending-slide infusion process.Method is that the picking tetranychid becomes mite gently with the end of double faced adhesive tape at slide, and the tetranychid back is bonded on the two-sided tape, and each chelicera can be freely movable.Medicament is made into 8 ~ 10 concentration on the basis of trial test, each concentration repeats 4 times, and establishes blank.An end that carries the mite slide that is stained with into mite is immersed liquid, take out behind jog 5 s, placing temperature is that 25 ℃, relative moisture 75%, illumination L:D are the incubator of 16:8, under the binocular anatomical lens, check death condition during 48h, touch the mite body with writing brush, the motionless person of chelicera is considered as death, and the statistics lethality is calculated preventive effect.
Carry out statistical analysis with the DPS statistical analysis software, calculate the LC of each medicament
50, and calculate the co-toxicity coefficient (CTC) of mixture according to the abundant method of Sun Yun.
Actual measurement toxicity index (ATI)=(standard medicament LC
50/ reagent agent LC
50) * 100
The percentage composition of B in the percentage composition of A+B medicament toxicity index * mixture in theoretical toxicity index (TTI)=A medicament toxicity index * mixture
Co-toxicity coefficient (CTC)=ATI/TTI * 100
According to the criteria for classifying of co-toxicity coefficient (CTC), CTC＜80 are antagonism, and 80＜CTC＜120 are summation action, CTC〉120 for synergistic effect.
Table 1 Bifenazate and phoxim and built agent thereof are to the toxicity test of Tetranychus urticae
As can be seen from Table 1, when Bifenazate and phoxim were composite in the scope of 10 ~ 1:1 ~ 80, co-toxicity coefficient showed obvious synergistic effect all greater than 120 to Tetranychus urticae.Especially when Bifenazate and phoxim during at 1:1 ~ 10, synergistic effect is obviously outstanding, and Bifenazate and phoxim all have synergistic effect between 10 ~ 1:1 ~ 80 thus.
Implementation of an application example two:
Application Example 1
40% Bifenazate phoxim suspending agent control eggplant Tetranychus urticae field trial
Test is carried out at Daxing, Beijing Central Military Commission growing vegetables base eggplant, and method is mark 10 strains of every residential quarter, 1 leaf of every strain mark, and investigation insect population radix before the dispenser, 3d, 7d, 14d investigate respectively residual mite number alive behind the medicine, calculate control efficiency.
Control efficiency (%)=(1-CK
1* PT
1/ CK
2* PT
2) * 100
Tetranychus urticae result of the test on the table 2 40% Bifenazate phoxim suspending agent control eggplant
As can be seen from Table 2,3d, 7d behind three kinds of working concentration medicines of 40% Bifenazate phoxim suspending agent, 14d all are higher than 3000 times of Bifenazate suspending agents and the preventive effect of 2000 times of the 40% phoxim emulsifiable concentrates same period 43% to the preventive effect of Tetranychus urticae on the eggplant, illustrate that the preventive effect to Tetranychus urticae all is better than two kinds of single doses behind the Bifenazate phoxim compound, have good quick-acting and lasting effect.
Application Example 2
40% Bifenazate phoxim suspending agent control cowpea Tetranychus cinnabarinus field trial
Test is planted ring tested planting base cowpea and is carried out in the Beijing City Agriculture and Forestry Institute, method is mark 10 strains of every residential quarter, 1 compound leaf of every strain mark, and investigation insect population radix before the dispenser, 3d, 7d, 14d investigate respectively residual borer population alive behind the medicine, calculate control efficiency.
Table 3 40% Bifenazate phoxim suspending agent control cowpea Tetranychus cinnabarinus result of the test
As can be seen from Table 3,3d, 7d behind three kinds of working concentration medicines of 40% Bifenazate phoxim suspending agent, 14d to the preventive effect of Tetranychus cinnabarinus on the cowpea all apparently higher than the preventive effect of 2000 times of the phoxim emulsifiable concentrates same period 40%, the preventive effect of 3d, 7d all is higher than 43% Bifenazate suspending agent, illustrate that the preventive effect to Tetranychus cinnabarinus all is better than two kinds of single doses behind the Bifenazate phoxim compound, have good quick-acting and lasting effect.
In sum, the present invention adopts Bifenazate phoxim compound composition, compares with existing unitary agent, and obvious synergistic effect is not only arranged, and also has good miticidal effect, can reduce the drug-fast generation of harmful mite, is worth applying aborning.
Claims (5)
1. a composition pesticide that contains Bifenazate and phoxim is characterized in that active ingredient is Bifenazate and phoxim.
2. described a kind of composition pesticide that contains Bifenazate and phoxim according to claim 1 is characterized in that containing Bifenazate 1 ~ 10%, phoxim 1 ~ 80%.
3. described a kind of composition pesticide that contains Bifenazate and phoxim according to claim 1 and 2 is characterized in that also containing in the described composition pesticidal preparations auxiliary element commonly used, to make the formulation products that is adapted at using in the agricultural production.
4. a kind of composition pesticide that contains Bifenazate and phoxim according to claim 3, the formulation that it is characterized in that it is suspending agent.
5. described a kind of composition pesticide that contains Bifenazate and phoxim according to claim 1 is applicable to prevent and treat the insects such as Tetranychus cinnabarinus, Tetranychus urticae, aphid and lepidopterous larvae on the crop.
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| CN201310008697.2A CN103004864B (en) | 2013-01-10 | 2013-01-10 | Pesticide composition containing bifenazate and phoxim |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104068045A (en) * | 2014-06-27 | 2014-10-01 | 何芳 | Multipurpose pesticide composition |
| CN105707118A (en) * | 2016-03-25 | 2016-06-29 | 江西正邦生物化工有限责任公司 | Pesticide composition containing phosmet and bifenazate |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5367093A (en) * | 1991-11-22 | 1994-11-22 | Uniroyal Chemical Company, Inc. | Insecticidal phenylhydrazine derivatives |
| CN102165958A (en) * | 2011-03-10 | 2011-08-31 | 陕西汤普森生物科技有限公司 | Pesticide composite containing bifenazate and triazophos |
-
2013
- 2013-01-10 CN CN201310008697.2A patent/CN103004864B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5367093A (en) * | 1991-11-22 | 1994-11-22 | Uniroyal Chemical Company, Inc. | Insecticidal phenylhydrazine derivatives |
| CN1033699C (en) * | 1991-11-22 | 1997-01-01 | 尤尼罗亚尔化学公司 | Insecticidal phenylhydrazine derivatives |
| CN102165958A (en) * | 2011-03-10 | 2011-08-31 | 陕西汤普森生物科技有限公司 | Pesticide composite containing bifenazate and triazophos |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104068045A (en) * | 2014-06-27 | 2014-10-01 | 何芳 | Multipurpose pesticide composition |
| CN104068045B (en) * | 2014-06-27 | 2016-06-08 | 何芳 | A kind of multi-usage pesticide composition |
| CN105707118A (en) * | 2016-03-25 | 2016-06-29 | 江西正邦生物化工有限责任公司 | Pesticide composition containing phosmet and bifenazate |
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| CN103004864B (en) | 2014-02-19 |
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