CN102960361A - Insecticide composition and application thereof - Google Patents
Insecticide composition and application thereof Download PDFInfo
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- CN102960361A CN102960361A CN2012104756057A CN201210475605A CN102960361A CN 102960361 A CN102960361 A CN 102960361A CN 2012104756057 A CN2012104756057 A CN 2012104756057A CN 201210475605 A CN201210475605 A CN 201210475605A CN 102960361 A CN102960361 A CN 102960361A
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Abstract
The invention relates to an insecticide composition. The composition contains an active component and is characterized in that the active component contains bifenthrin and thiacloprid; and the weight ratio of the bifenthrin to the thiacloprid is 1: (0.01-90). The invention further relates to an application of the insecticide composition in preparing an insecticide. The insecticide composition has the synergism effect when being compared with the single-component bifenthrin or thiacloprid, so as to improve the prevention effect; the insecticide composition contains non-single active component and does not easily have the drug resistance; and the insecticide composition can prevent various different types of injurious insects caused by mixing, so that the drug utilization rate is reduced, the cost is saved and the pollution to the environment is relieved.
Description
Technical field
The present invention relates to a kind of insecticides and application thereof, particularly, relate to a kind of insecticides that contains Biphenthrin and thiacloprid, and the application of this insecticides in the preparation insecticide.
Background technology
The problem that in agricultural production practice, usually has dissimilar insect mixed occurrences, tea lesser leafhopper, Aleurocanthus spiniferus, green plant bug, tea angle fleahopper, tea golden thistle horse, tea caterpillar, the fine and soft poison moth of tea, tea geometrid, cotten aphid, cotton bollworm, anomis flava and robber poison moth are the insects that often exists or in succession exist simultaneously, for example on tea tree, vegetables, cotton, fruit tree, flowers and other economic crops.
Often need to adopt respectively different insecticides to prevent and treat for above-mentioned common insect, for example, tea lesser leafhopper generally adopts Biphenthrin or Buprofezin to prevent and treat, Aleurocanthus spiniferus generally adopts decis or Biphenthrin to prevent and treat, green plant bug generally adopts beta-cypermethrin or Acetamiprid to prevent and treat, tea angle fleahopper generally adopts the malathion to prevent and treat, tea golden thistle horse generally adopts Rogor to prevent and treat, tea caterpillar generally adopts chlorophos to prevent and treat, the fine and soft poison moth of tea generally adopts beta-cypermethrin to prevent and treat, tea geometrid generally adopts Folithion to prevent and treat, cotten aphid generally adopts flolimat to prevent and treat, cotton bollworm generally adopts beta-cypermethrin or BT preparation to prevent and treat, and anomis flava generally adopts fenpropathrin or malathion to prevent and treat, and steals general go out young urea or the diflubenzuron of adopting of poison moth and prevents and treats.
Present control of insect not only control efficiency is poor, and for different insects, also to use different insecticides, expend a large amount of human and material resources and financial resources cost, also can cause the pollution of environment, and use continuously the insecticide of single-activity composition to develop immunity to drugs easily.
Summary of the invention
The objective of the invention is to overcome the defects of prior art, provide a kind of control efficiency good, be difficult for developing immunity to drugs and can prevent and treat insecticides and the application thereof of the multiple variety classes insect of mixed occurrence.
The present inventor is unexpected the discovery under study for action, when the active component of insecticides contains Biphenthrin and thiacloprid, and when the weight ratio of Biphenthrin and thiacloprid is 1:0.01-90, particularly the weight ratio when Biphenthrin and thiacloprid is 1:0.3-10, more preferably, when the weight ratio of Biphenthrin and thiacloprid was 1:1-5, insecticides was with respect to oligomict Biphenthrin or thiacloprid, have synergistic effect, control efficiency is good; Insecticides contains non-single-activity composition, is difficult for developing immunity to drugs; Can prevent and treat multiple different types of insect of mixed occurrence.
Therefore, to achieve these goals, on the one hand, the invention provides a kind of insecticides, described composition contains active component, it is characterized in that, described active component contains Biphenthrin and thiacloprid, and the weight ratio of Biphenthrin and thiacloprid is 1:0.01-90.
Preferably, the weight ratio of Biphenthrin and thiacloprid is 1:0.3-10, and more preferably, the weight ratio of Biphenthrin and thiacloprid is 1:1-5.
On the other hand, the invention provides the application of aforesaid insecticides in the preparation insecticide, described insecticide is used for one or more of control tea lesser leafhopper, Aleurocanthus spiniferus, green plant bug, tea angle fleahopper, tea golden thistle horse, tea caterpillar, the fine and soft poison moth of tea, tea geometrid, cotten aphid, cotton bollworm, anomis flava and robber poison moth.
Insecticides of the present invention has synergistic effect with respect to oligomict Biphenthrin or thiacloprid, can improve control efficiency; Contain non-single-activity composition, be difficult for developing immunity to drugs; Can prevent and treat multiple different types of insect of mixed occurrence, thereby can reduce dosage, save cost, alleviate the pollution to environment.
Other features and advantages of the present invention will partly be described in detail in embodiment subsequently.
Embodiment
Below the specific embodiment of the present invention is elaborated.Should be understood that embodiment described herein only is used for description and interpretation the present invention, is not limited to the present invention.
The invention provides a kind of insecticides, said composition contains active component, and active component contains Biphenthrin and thiacloprid, and the weight ratio of Biphenthrin and thiacloprid is 1:0.01-90.
According to the present invention, although the active component of insecticides contains Biphenthrin and thiacloprid, the weight ratio of Biphenthrin and thiacloprid is 1:0.01-90, can realize purpose of the present invention, and namely insecticides has synergistic effect, and control efficiency is good; Be difficult for developing immunity to drugs; Can prevent and treat multiple different types of insect of mixed occurrence.But under the preferable case, the weight ratio of Biphenthrin and thiacloprid is 1:0.3-10,1:1-5 more preferably, and the synergistic effect of insecticides is more remarkable, can further improve control efficiency.
Among the present invention, for the total content of active component in insecticides without specific (special) requirements, can select conventional consumption according to the different dosage form of insecticides preparation, this is conventionally known to one of skill in the art, for example, based on the gross weight of insecticides, the content of active component is the 1-99 % by weight.
Among the present invention, for the composition of other except active component in the insecticides without specific (special) requirements, can match as required this area composition commonly used, for example, dispersant, wetting agent, antifreezing agent, stabilizing agent, preservative, thickener, emulsifier, defoamer, solvent, cosolvent, solid inert carrier.Therefore, insecticides of the present invention also contains one or more in dispersant, wetting agent, antifreezing agent, stabilizing agent, preservative, thickener, emulsifier, defoamer, solvent, cosolvent and the solid inert carrier.These compositions can be according to the consumption of the dosage form selection routine of insecticides preparation.
Among the present invention, all without specific (special) requirements, can adopt this area material commonly used for mentioned component, for example:
Dispersant and wetting agent can be for polyvinylpyrrolidone, sodium methylene bis-naphthalene sulfonate, sodium lignin sulfonate, calcium lignosulfonate, calcium dodecyl benzene sulfonate, succinate sodium sulfonates, pull open in powder, sldium lauryl sulfate and the sodium alkyl sulfonate one or more.
Antifreezing agent can be ethylene glycol, 1,2-PD, glycerine, one or more in the urea.
Stabilizing agent can be 2,6-di-t-butyl-4-methyl-phenol, butylated hydroxy anisole.
Preservative can be benzoic acid and its esters, one or more in sorbic acid and its esters.
Thickener can be one or more in Magnesiumaluminumsilicate, xanthans, polyethylene glycol, polyvinyl alcohol, carboxymethyl cellulose and the phenolic resins.
Emulsifier can be in cationic surfactant, anion surfactant, non-ionic surface active agent and the zwitterionic surfactant one or more, and the emulsifier that is generally used for liquid preparation all can use.Under the preferable case, emulsifier is calcium dodecyl benzene sulfonate, the succinate sodium sulfonate, styryl phenol polyethenoxy ether phosphate, the Ben-zylphenol Polyoxyethyl Ether phosphate, sorbitan trioleate, the anhydrous sorbitol tristearate, polyoxyethylene sorb ether alcohol six stearates, cithrol, polyoxyethylene sorbitol ether beeswax derivative, polyethylene glycol mono stearate, sorbitan sesquioleate, glyceryl monostearate, sorbitan monooleate, sorbitan monostearate, the dibenzyl phenol polyethenoxy ether, the diethylene glycol fatty acid ester, the diethylene glycol monolaurate, sorbitan mono-laurate, Brij30, the polyoxyethylene monopalmitate, alkylphenol polyoxyethylene, Brij30, the anhydrous sorbitol APEO, polyoxyethylene sorbitan ether monoleate, the styryl phenol polyethenoxy ether, fatty alcohol-polyoxyethylene ether, aliphatic amine polyoxyethylene ether, in the castor oil polyoxyethylene ether one or more.
Defoamer can be in silicone oil, higher alcohol, mineral oil, the vegetable oil one or more.
Solvent can be in methyl alcohol, ethanol, propyl alcohol, isopropyl alcohol, propane diols, glycerine, n-butanol, isobutanol, the tert-butyl alcohol, n-amyl alcohol, isoamyl alcohol, n-hexyl alcohol, n-heptanol, n-octyl alcohol, ethylene glycol, glycol monoethyl ether, glycol dimethyl ether, sorbierite, aromatic hydrocarbon solvent oil and the methyl oleate one or more.
Cosolvent can be in methyl alcohol, isopropyl alcohol, dimethyl sulfoxide (DMSO), 1-METHYLPYRROLIDONE, sulfolane and the ethyl acetate one or more.
Solid inert carrier can be in clay, silica, diatomite, kaolin, attapulgite, imvite, bentonite, talcum powder and the precipitated calcium carbonate one or more.
On the other hand, the present invention also provides the application of aforesaid insecticides in the preparation insecticide, and insecticide is used for one or more of control tea lesser leafhopper, Aleurocanthus spiniferus, green plant bug, tea angle fleahopper, tea golden thistle horse, tea caterpillar, the fine and soft poison moth of tea, tea geometrid, cotten aphid, cotton bollworm, anomis flava and robber poison moth.
Among the present invention, without specific (special) requirements, for example can be missible oil, aqueous emulsion, microemulsion, aqueous suspension agent, oil-suspending agent, microcapsule suspending agent, wetting powder, water-dispersible granules for the formulation of insecticide.
Other composition in above-mentioned each formulation except active component and the content of content and active component thereof can adopt the proportioning of this area routine without specific (special) requirements, for example:
Aqueous suspension agent generally contains 5-70 % by weight active component, 0.5-12 % by weight dispersant, 0.5-5 % by weight wetting agent, 0.1-10 % by weight antifreezing agent, other additive of 0-10 % by weight such as stabilizing agent, preservative, thickener, and surplus is water.Suspending agent usually need wet pulverizing stable to obtain, can flow, the easy suspension liquid of measurement volumes.
Aqueous emulsion generally contains 10-60 % by weight active component, 5-20 % by weight emulsifier, 0.5-10 % by weight antifreezing agent, 0.5-2 % by weight thickener, 0.01-0.2 % by weight defoamer, 3-10 % by weight solvent, other additive of 0.5-10 % by weight such as stabilizing agent, preservative etc., surplus is water.
Microcapsule suspending agent generally contains 5-50 % by weight active component (wherein, free active component weight fraction accounts for the Active principals weight fraction less than 10%), 0.5-10 % by weight dispersant, 0.5-5 % by weight wetting agent, 0.1-5 % by weight antifreezing agent, other additive of 0-10 % by weight such as stabilizing agent, preservative, thickener, surplus is water.
Water-dispersible granules generally contains 3-95 % by weight active component, 0.5-10 % by weight dispersant, 0.5-5 % by weight wetting agent, other additive of 0-10 % by weight such as stabilizing agent, adhesive, and surplus is solid inert carrier, such as kaolin etc.Water dispersible granules is made 10-100 order international standard sieve mesh (1676-152 μ m) particle usually, can pass through the method preparations such as mist projection granulating, extruder grain, High Rotation Speed granulation, fluidized bed prilling.
Microemulsion generally contains 10-80 % by weight active component, 5-15 % by weight emulsifier, 0.5-5 % by weight antifreezing agent, 0.5-6 % by weight cosolvent, other additive of 0.5-10 % by weight such as stabilizing agent, preservative etc., and surplus is water.
Oil-suspending agent generally contains 5-40 % by weight active component, 0.5-20 % by weight dispersant, 0.5-5 % by weight wetting agent, 0.1-10 % by weight antifreezing agent, other additive of 0-10 % by weight such as stabilizing agent, preservative, thickener, and surplus is organic liquid.
Missible oil and wetting powder also all adopt composition well known in the art and content, do not repeat them here.
Insecticides of the present invention can provide with the finished product form, and namely each composition mixes in the composition; Also can every kind composition provide with the form of independent preparation, it is mixed directly to carry out bucket during use.
Among the present invention, without specific (special) requirements, can adopt the whole bag of tricks well known in the art for the preparation method of various formulations, not repeat them here.
It will be understood by those skilled in the art that the various formulations among the present invention can dilute use according to actual needs when reality is used.
More than describe preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in the above-mentioned embodiment, in technical conceive scope of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
Need to prove in addition, each concrete technical characterictic described in above-mentioned embodiment in reconcilable situation, can make up by any suitable mode, for fear of unnecessary repetition, the present invention is to the no longer separately explanation of various possible combinations.
In addition, also can carry out any combination between the various embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Embodiment
(1) synergistic effect biological detection
Adopt Sun Yunpei (Sun Y-P) method, by calculating co-toxicity coefficient (co-toxicity coefficient, CTC), estimate the effect of using with of two kinds of active components in the insecticides of the present invention, specific as follows:
Evaluation criterion: when CTC 〉=120, show as synergistic effect; When CTC≤80, show as antagonism; 80＜CTC＜120 show as summation action.
Computing formula:
Co-toxicity coefficient (CTC)=[the theoretical toxicity index (TTI) of the actual toxicity index of mixture (ATI)/mixture] * 100
The actual toxicity index of mixture (ATI)=(LC of standard medicament
50The LC of/mixture
50) * 100
The content of B in the TI of the content of A+B agent * mixture active ingredient in the TI of the theoretical toxicity index (TTI) of mixture=A agent * mixture active ingredient
Toxicity index (TI)=(LC of standard medicament
50The LC of/reagent agent
50A kind of as the standard medicament in A agent, the B agent of) * 100()
A agent, B agent are respectively two kinds of mutually mixed active components, and mixture is the A agent and mixture after the B agent is mixed mutually.
In the following test example, the A agent is the former medicine of Biphenthrin (97%), and the B agent is the former medicine of thiacloprid (95%), selects the A agent as the standard medicament, A agent and B agent respectively take the weight of active ingredient separately as benchmark, are mixed with following mixture: mixture 1(A:B=1:0.01); Mixture 2(A:B=1:0.1); Mixture 3(A:B=1:0.3); Mixture 4(A:B=1:0.5); Mixture 5(A:B=1:1); Mixture 6(A:B=1:1.5); Mixture 7(A:B=1:3); Mixture 8(A:B=1:5); Mixture 9(A:B=1:8); Mixture 10(A:B=1:10); Mixture 11(A:B=1:50); Mixture 12(A:B=1:90).
Test example 1.1
The test target: tea lesser leafhopper (Empoasca pirisuga Matumura), pick up from Huang Ma town, Nanchang County Jiangxi Province's silkworm and mulberry tealeaves research institute tea place, indoor feeding is selected the basically identical Elder nymph of Individual Size for measuring after a period of time.
Experimental condition: temperature (25 ± 1) ℃, humidity: 60%-80%, illumination: L:D=(16:8) h
Test method: with reference to " the agricultural industry criteria N Y/T 1154.14-2008 of the People's Republic of China (PRC) ", adopt leaf dipping method.
Medicament preparation: accurately take by weighing respectively as above 12 kinds of mixtures, every kind of mixture all is configured to mother liquor with acetone, and mother liquor is diluted the serial medicament that becomes tool finite concentration gradient with the aqueous solution of the Tween-80 of 0.1 % by weight.
Chemicals treatment: the tea place gathers the tender tip of fresh tea tree of not medication, cleans with clear water, dries.According to concentration from low to high order the tender tip of tea tree that cleaning is dried immerse in the above-mentioned variable concentrations medicament and soak 15s, insert in the moistening colored mud after taking out, put into clean vial after naturally drying, access and try worm, whenever repeat to connect 30 of worms.Take soak do not contain medicament solvent aqueous solution as blank, each process to repeat 4 times.Check dead borer population after processing 48h, record respectively total borer population and dead borer population.Adopt the method for probability value analysis that data are processed.Statistical data is processed with DPS software, obtains the LC of every kind of mixture toxicity regression line
50, and calculate co-toxicity coefficient with the abundant method of Sun Yun, the results are shown in Table 1.
Table 1
| Reagent agent | EC 50(mg/L) | ATI | TTI | Co-toxicity coefficient (CTC) |
| Biphenthrin (A) | 2.22 | 100.0 | -- | -- |
| Thiacloprid (B) | 5.93 | 37.4 | -- | -- |
| Mixture 1 (A:B=1:0.01) | 1.74 | 127.6 | 99.4 | 128.4 |
| Mixture 2(A:B=1:0.1) | 1.72 | 128.9 | 94.3 | 136.7 |
| Mixture 3(A:B=1:0.3) | 1.70 | 130.5 | 85.6 | 152.5 |
| Mixture 4(A:B=1:0.5) | 1.70 | 131.4 | 79.1 | 166.1 |
| Mixture 5(A:B=1:1) | 1.43 | 155.2 | 68.7 | 225.9 |
| Mixture 6(A:B=1:1.5) | 1.45 | 153.1 | 66.4 | 230.6 |
| Mixture 7(A:B=1:3) | 2.23 | 99.5 | 53.0 | 187.5 |
| Mixture 8(A:B=1:5) | 2.60 | 85.4 | 47.8 | 178.7 |
| Mixture 9(A:B=1:8) | 3.16 | 70.1 | 44.3 | 158.1 |
| Mixture 10(A:B=1:10) | 3.71 | 59.7 | 43.1 | 138.6 |
| Mixture 11(A:B=1:50) | 4.45 | 49.9 | 38.6 | 129.1 |
| Mixture 12(A:B=1:90) | 4.72 | 47.0 | 38.1 | 123.4 |
Test example 1.2
Test target: tea Aleurocanthus spiniferus (Aleurocanthus spiniferus Quaintance), pick up from Huang Ma town, Nanchang County Jiangxi Province's silkworm and mulberry tealeaves research institute tea place, under stereomicroscope, reject chorion, death and aged Aleurocanthus spiniferus, and wipe dirt away, it is consistent to stay body colour, and low age nymph of uniform size is for test.
Experimental condition: temperature (25 ± 1) ℃, humidity: 60%-80%, illumination: L:D=(16:8) h
Test method: with reference to " the agricultural industry criteria N Y/T 1154.14-2008 of the People's Republic of China (PRC) ", adopt leaf dipping method.
Medicament preparation: accurately take by weighing respectively as above 12 kinds of mixtures, every kind of mixture all is configured to mother liquor with acetone, and mother liquor is diluted the serial medicament that becomes tool finite concentration gradient with the aqueous solution of the Tween-80 of 0.1 % by weight.
Chemicals treatment: will be with 10s in the liquid of worm tea leaf immersion variable concentrations to be measured, taking-up sucks unnecessary liquid with filter paper, that will process after drying is placed in the culture dish that is lined with moistening gauze with the worm blade, and add a cover moisturizing, the each processing keeps 30 ~ 40 cephalont numbers, each concentration repeats 4 times, and dipping does not contain the solvent aqueous solution of medicament as blank in addition.Insert in the climatic cabinate at last and cultivate, the timing adding water moisturizing.Cultivate 48h in culturing room after processing, check death condition with the binocular anatomical lens, body colour is vivid, the full person of polypide is judged to worm alive, polypide is shrivelled, be faint in color, can not normal development to next in length of time the person all be considered as dead worm, record respectively total borer population and borer population extremely.Adopt the method for probability value analysis that data are processed.Statistical data is processed with DPS software, obtains the LC50 of toxicity regression line, and calculates co-toxicity coefficient with the abundant method of Sun Yun, the results are shown in Table 2.
Table 2
| Reagent agent | EC 50(mg/L) | ATI | TTI | Co-toxicity coefficient (CTC) |
| Biphenthrin (A) | 4.81 | 100.0 | -- | -- |
| Thiacloprid (B) | 9.39 | 51.2 | -- | -- |
| Mixture 1 (A:B=1:0.01) | 3.84 | 125.3 | 99.5 | 125.9 |
| Mixture 2(A:B=1:0.1) | 3.66 | 131.3 | 95.6 | 137.4 |
| Mixture 3(A:B=1:0.3) | 3.28 | 146.6 | 88.7 | 165.3 |
| Mixture 4(A:B=1:0.5) | 3.06 | 157.0 | 83.7 | 187.5 |
| Mixture 5(A:B=1:1) | 2.84 | 169.2 | 75.6 | 223.8 |
| Mixture 6(A:B=1:1.5) | 2.53 | 190.1 | 77.7 | 244.6 |
| Mixture 7(A:B=1:3) | 3.28 | 146.6 | 63.4 | 231.1 |
| Mixture 8(A:B=1:5) | 3.77 | 127.7 | 59.4 | 215.2 |
| Mixture 9(A:B=1:8) | 4.29 | 112.0 | 56.6 | 197.8 |
| Mixture 10 (A:B=1:10) | 4.71 | 102.1 | 55.7 | 183.4 |
| Mixture 11 (A:B=1:50) | 6.32 | 76.1 | 52.2 | 145.8 |
| Mixture 12 (A:B=1:90) | 7.09 | 67.9 | 51.8 | 131.1 |
Can find out that from table 1 and table 2 weight ratio of Biphenthrin and thiacloprid is 1:0.01-90 in the mixture, all can realize synergistic effect; The weight ratio of Biphenthrin and thiacloprid is 1:0.3-10, and synergistic effect is remarkable; The weight ratio of Biphenthrin and thiacloprid is 1:1-5, and synergistic effect is more remarkable.
(2) field control effectiveness test is used for illustrating that composition of the present invention has the desinsection broad spectrum activity.
Adopt following medicament in the following test example, active component is Biphenthrin and thiacloprid in the medicament, and the weight ratio of Biphenthrin and thiacloprid is 1:1.5.
Medicament 1:40 % by weight Biphenthrin thiacloprid aqueous suspension agent
Active component 40 % by weight, sodium lignin sulfonate 5 % by weight, lauryl sodium sulfate 2 % by weight, sodium alginate 1 % by weight, aluminium-magnesium silicate 0.5 % by weight, silicone defoaming agent 0.5 % by weight, water 51 % by weight.
Medicament 2:75 % by weight Biphenthrin thiacloprid water-dispersible granules
Active component 75 % by weight, sodium methylene bis-naphthalene sulfonate 6 % by weight, succinate sodium sulfonate 4 % by weight, sucrose 2 % by weight, diatomite 13 % by weight.
Medicament 3:28 % by weight Biphenthrin thiacloprid oil-suspending agent
Active component 28 % by weight, fatty alcohol-polyoxyethylene ether 10 % by weight, anhydrous sorbitol APEO 3 % by weight, polyethylene glycol 5 % by weight, soybean oil 54 % by weight.
Medicament 4:20 % by weight Biphenthrin thiacloprid microcapsule suspending agent
Active component 20 % by weight (wherein, free active component weight fraction accounts for 8 % by weight of Active principals weight fraction), calcium lignosulfonate 5 % by weight, lauryl sodium sulfate 1 % by weight, xanthans 1 % by weight, aluminium-magnesium silicate 0.5 % by weight, silicone defoaming agent 0.5 % by weight, surplus are water.
Test example 2.1
Test totally 7 processing, i.e. above-mentioned 4 kinds of medicaments and 1 blank (namely not using medicament, lower same), 2 contrast agents.2 contrast agents are as follows:
Contrast agents 1: the prescription according to medicament 1 is prepared, and different is that active component is thiacloprid
Contrast agents 2: the prescription according to medicament 1 is prepared, and different is that active component is Biphenthrin
Every kind of medicament mu consumption is as follows respectively:
Medicament 1:10g/ mu
Medicament 2:6g/ mu
Medicament 3:15g/ mu
Medicament 4:20g/ mu
Contrast agents 1:10g/ mu
Contrast agents 2:10g/ mu
Experimental field be located at Huang Ma town, Nanchang County Jiangxi Province's silkworm and mulberry tealeaves research institute tea place, parent soil material is Quaternary Red Soil, and soil property is sticking earth, and middle fertility, even is No., ripples tea for the examination tea tree breed.Every residential quarter 3 root and stem of certain plants tea trees are repeated 4 times, and completely random district group is arranged.Tea tree was cut once in 2011.
After medicament was watered dilution 3000 times (weight ratios), spraying was used, and dispenser once altogether.
Tea lesser leafhopper, Aleurocanthus spiniferus etc. are in to contain and send out the peak period during dispenser.Investigation insect population radix before the medicine, the borer population alive that random searching 30 buds in every residential quarter are slightly gone up.The the 1st, 3,7,14,30 day investigation prevention effect behind the medicine looked into 6 times altogether.The borer population alive that random searching 30 buds in every residential quarter are slightly gone up calculates preventive effect.Preventive effect (that is, correcting controling effect) computing method:
Result of calculation sees Table 3.
Table 3
Test example 2.2
Test totally 7 processing are adopted as above 4 kinds of medicaments, 2 contrast agents of test example 2.1, and are established 1 blank.
Every kind of medicament mu consumption is as follows respectively:
Medicament 1:15g/ mu
Medicament 2:8g/ mu
Medicament 3:20g/ mu
Medicament 4:30g/ mu
Contrast agents 1:15g/ mu
Contrast agents 2:15g/ mu
Experimental field be located at the Chengwu County and just deposit town's Zhang Wuzhuan village Cotton Fields and carry out, soil is clay, middle fertility, the cultivation condition of each residential quarter, water and fertilizer management uniformity.Cotton variety is Lumianyan 15, and planting density is 3.9 * 10
4Strain/hm
2Adopt HD-300 type hand-powered knapsack sprayer field spray, nozzle is conical, adds constant pressure valve, and operating pressure is 1Pa, flow 333ml/min.
After medicament was watered dilution 3000 times (weight ratios), spraying was used, and dispenser once altogether.The test by " agricultural field control effectiveness test criterion (two) " (GB/T17980.75-2004) requirement carry out.5 on experimental plot inner opposite angle line reaches sample, fixes 4 strains at every, and every strain is 3 leaves of upper, middle and lower fixedly, fixes altogether 60 leaves of investigation 20 strains, investigation records borer population alive.Investigation insect population radix before the medicine, behind the medicine 1,3,7d, 14d, each investigation of 30d once, investigate altogether 6 times.Residual worm amount according to each day behind the front insect population cardinal sum of the medicine medicine is calculated preventive effect.Insect population decline rate and preventive effect computational methods are seen test example 2.1.Result of calculation sees Table 4.
Table 4
Can find out that from table 3 and table 4 insecticides provided by the invention all has preferably preventive effect to the various pests of mixed occurrence, therefore, insecticides provided by the invention can be prevented and treated multiple different types of insect of mixed occurrence.
Insecticides of the present invention has synergistic effect with respect to oligomict Biphenthrin or thiacloprid, can improve control efficiency; Contain non-single-activity composition, be difficult for developing immunity to drugs; Can prevent and treat multiple different types of insect of mixed occurrence, thereby can reduce dosage, save cost, alleviate the pollution to environment.
Claims (7)
1. insecticides, described composition contains active component, it is characterized in that, and described active component contains Biphenthrin and thiacloprid, and the weight ratio of Biphenthrin and thiacloprid is 1:0.01-90.
2. insecticides according to claim 1, wherein, the weight ratio of Biphenthrin and thiacloprid is 1:0.3-10.
3. insecticides according to claim 2, wherein, the weight ratio of Biphenthrin and thiacloprid is 1:1-5.
4. the described insecticides of any one according to claim 1-3, wherein, based on the gross weight of described insecticides, the content of described active component is the 1-99 % by weight.
5. the described insecticides of any one according to claim 1-3, wherein, described composition also contains one or more in dispersant, wetting agent, antifreezing agent, stabilizing agent, preservative, thickener, emulsifier, defoamer, solvent, cosolvent and the solid inert carrier.
6. the application of the described insecticides of any one in the preparation insecticide among the claim 1-5, described insecticide are used for one or more of control tea lesser leafhopper, Aleurocanthus spiniferus, green plant bug, tea angle fleahopper, tea golden thistle horse, tea caterpillar, the fine and soft poison moth of tea, tea geometrid, cotten aphid, cotton bollworm, anomis flava and robber poison moth.
7. application according to claim 6, wherein, the formulation of described insecticide is missible oil, aqueous emulsion, microemulsion, aqueous suspension agent, oil-suspending agent, microcapsule suspending agent, wetting powder, water-dispersible granules.
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| CN103404532A (en) * | 2013-09-02 | 2013-11-27 | 浙江威尔达化工有限公司 | Insecticide composition containing thiacloprid and bifenthrin and application of insecticide composition |
| CN104273157A (en) * | 2014-09-18 | 2015-01-14 | 青岛润鑫伟业科贸有限公司 | Efficient insecticide containing thiacloprid, chlorantraniliprole and bifenthrin |
| CN105076181A (en) * | 2015-02-12 | 2015-11-25 | 四川利尔作物科学有限公司 | Disinsection and acaricidal composition and application thereof |
| CN107788007A (en) * | 2016-08-29 | 2018-03-13 | 上海生农生化制品有限公司 | A kind of Biphenthrin thiacloprid micro-capsule suspension and preparation method thereof |
| CN108041068A (en) * | 2018-01-25 | 2018-05-18 | 福建省农业科学院植物保护研究所 | A kind of medicament for preventing the beautiful line weevil of tea |
| CN110463692A (en) * | 2018-05-09 | 2019-11-19 | 江苏龙灯化学有限公司 | A kind of farm chemicals diluent and its preparation method and application |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103404532A (en) * | 2013-09-02 | 2013-11-27 | 浙江威尔达化工有限公司 | Insecticide composition containing thiacloprid and bifenthrin and application of insecticide composition |
| CN104273157A (en) * | 2014-09-18 | 2015-01-14 | 青岛润鑫伟业科贸有限公司 | Efficient insecticide containing thiacloprid, chlorantraniliprole and bifenthrin |
| CN105076181A (en) * | 2015-02-12 | 2015-11-25 | 四川利尔作物科学有限公司 | Disinsection and acaricidal composition and application thereof |
| CN107788007A (en) * | 2016-08-29 | 2018-03-13 | 上海生农生化制品有限公司 | A kind of Biphenthrin thiacloprid micro-capsule suspension and preparation method thereof |
| CN108041068A (en) * | 2018-01-25 | 2018-05-18 | 福建省农业科学院植物保护研究所 | A kind of medicament for preventing the beautiful line weevil of tea |
| CN110463692A (en) * | 2018-05-09 | 2019-11-19 | 江苏龙灯化学有限公司 | A kind of farm chemicals diluent and its preparation method and application |
| CN110463692B (en) * | 2018-05-09 | 2022-05-13 | 江苏龙灯化学有限公司 | Pesticide diluent and preparation method and application thereof |
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