CN105685074A - High-efficiency insecticidal composition containing Wufuchongzong - Google Patents
High-efficiency insecticidal composition containing Wufuchongzong Download PDFInfo
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Abstract
The invention discloses a high-efficiency insecticidal composition containing Wufuchongzong. The insecticidal composition comprises an active component A and an active component B, wherein the active component A is Wufuchongzong, the active component B is any compound selected from a group consisting of flubendiamide and chlorantraniliprole, and a weight ratio of the active component A to the active component B is 1: 60 to 80: 1. The insecticidal composition provided by the invention exerts synergistic effect on a plurality of insects doing harm to agricultural production, reduces the dosage of pesticides, decreases residual quantities of pesticides on crops, mitigates environmental pollution, is safe to human beings and livestock, has good environmental compatibility and prevents insects from easy generation of drug resistance.
Description
Technical field
The invention belongs to technical field of pesticide, relate to the application on crop pests of a kind of Efficient insecticidal composition containing five fluorine worm hydrazones。
Background technology
Five fluorine worm hydrazones are novel pesticide, it is possible to for preventing and treating the insect on crops, to environment and crop safety, rain resistance。
Fipronil bisamide, Rynaxypyr belong to common insecticide, are widely used on crop pest。
But, in the real process of agricultural production, pest control is easiest to generate the problem that the generation of pest resistance to insecticide。Different cultivars composition carries out composite, is prevent and treat the method that resistant insect is very common。Heterogeneity carries out composite, according to practical application effect, judge certain composite be potentiation, add and or antagonism。In most cases, the composite effect of pesticide is all additive effect, really have potentiation composite seldom, especially potentiation clearly, significantly high composite just less of co-toxicity coefficient。Study through inventor, it has been found that can will produce good potentiation after composite to five fluorine worm hydrazones and fipronil bisamide, Rynaxypyr, and not yet open about the relevant report that five fluorine worm hydrazones and fipronil bisamide, Rynaxypyr are composite。
Summary of the invention
The purpose of the present invention is to propose to a kind of there is synergistic function, use cost is low, preventive effect the is good Efficient insecticidal composition containing five fluorine worm hydrazones。
The Efficient insecticidal composition containing five fluorine worm hydrazones that the present invention proposes contains active components A and active component B, active components A and active component B weight ratio are 1 60～80 1, described active components A is selected from five fluorine worm hydrazones, active component B one in fipronil bisamide, Rynaxypyr, active components A and the preferred weight ratio of active component B are 1 40～60 1；The weight ratio being more preferably five fluorine worm hydrazones and fipronil bisamide is 1 15～25 1, and the weight ratio of five fluorine worm hydrazones and Rynaxypyr is 1 10～25 1。
Efficient insecticidal composition containing five fluorine worm hydrazones of the present invention is for preventing and treating the purposes of insect on crops, described crops include cereal crops, legume crop, fibre crops, sugar crop, melon crop, fruits crop, dry fruit crop, hobby crop, root crop, oil crop, flower crop, medicinal crop, crop, green manure pasture crop, described insect includes trialeurodes vaporariorum, Bemisia tabaci, pear sucker, planthopper, aphid, tea lesser leafhopper, beet armyworm, diamondback moth, Prodenia litura, apple leaf miner, striped rice borer, yellow rice borer, rice leaf roller, bollworm, pink bollworm, fleahopper, heart-eating worm, flea beetle, thrips, scale insect。
Active components A, active component B weight ratio be 1 60～80 1。In usual compositions, the weight percentage of active component is the 0.5%～90% of gross weight, it is advantageous to be 5%～80%。According to different preparation types, active component content scope is different。Generally, liquid preparation contains the active substance of by weight 1%～70%, it is preferred that be 5%～50%；Solid preparation contains the active substance of by weight 5%～80%, it is preferred that be 10%～80%。
The Pesticidal combination of the present invention at least contains a kind of surfactant, active component dispersion in water when being beneficial to use。Surface-active contents is the 5%～30% of total formulation weight amount, and surplus is solid or liquid diluent。
Surfactant selected by the Pesticidal combination of the present invention is known in those skilled in the art: can be selected from one or more in dispersant, wetting agent, binding agent or defoamer。According to different dosage form, preparation can also contain disintegrating agent known in those skilled in the art, antifreeze etc.。
The Pesticidal combination of the present invention can by user before use through diluting or directly using。Its preparation can be prepared by common processing method known in those skilled in the art, after mixing with liquid flux or solid carrier by active substance, add one or more in surfactant such as dispersant, stabilizer, wetting agent, binding agent, defoamer etc.。
The Pesticidal combination of the present invention, it is possible to be processed on any pesticide acceptable dosage form on demand, wherein more preferably dosage form is wettable powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microemulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent。
Compositions comprises following constituent content when making wettable powder: active components A 0.1%～80%, active component B0.1%～60%, dispersant 2%～10%, wetting agent 2%～10%, filler surplus。
Compositions includes following constituent content when making water dispersible granules: active components A 0.1%～80%, active component B0.1%～60%, dispersant 3%～12%, wetting agent 1%～8%, disintegrating agent 1%～10%, binding agent 0～8%, filler surplus。
Compositions includes following constituent content when making suspending agent: active components A 0.1%～50%, active component B0.1%～50%, dispersant 2%～10%, wetting agent 2%～10%, defoamer 0.01%～2%, thickening agent 0～2%, antifreeze 0～8%, deionized water add to 100%。
Compositions includes following constituent content when making suspension emulsion: active components A 0.1%～50%, active component B0.1%～50%, dispersant 2%～10%, defoamer 0.01%～2%, solvent 1%～15%, thickening agent 0～2%, emulsifying agent 2%～12%, antifreeze 0～8%, deionized water add to 100%。
Compositions comprises following constituent content when making aqueous emulsion: active components A 0.1%～50%, active component B0.1%～50%, solvent 1%～30%, emulsifying agent 1%～15%, antifreeze 0～8%, thickening agent 0～2%, defoamer 0.01%～2%, deionized water supply surplus。
Compositions includes following component and content when making microemulsion: active components A 0.1%～50%, active component B0.1%～50%, emulsifying agent 3%～25%, solvent 1%～10%, antifreeze 0～8%, defoamer 0.01%～2%, deionized water add to 100%。
Compositions includes following constituent content when making microcapsule suspending agent: active components A 0.1%～50%, active component B0.1%～50%, macromolecule cyst material 2%～10%, dispersant 1%～10%, organic solvent 1%～10%, emulsifying agent 1%～7%, defoamer 0.01%～2%, pH adjusting agent 0.01%～5%, deionized water add to 100%。
Compositions includes following constituent content when making microcapsule suspension-suspendinagent agent: active components A 0.1%～50%, active component B0.1%～50%, macromolecule cyst material 2%～10%, dispersant 1%～12%, wetting agent 1%～8%, organic solvent 1%～15%, emulsifying agent 1%～6%, defoamer 0.01%～2%, thickening agent 0～2%, pH adjusting agent 0.01%～5%, deionized water add to 100%。
The wettable powder the key technical indexes of the present invention:
The water dispersible granules the key technical indexes of the present invention:
The suspending agent the key technical indexes of the present invention:
The suspension emulsion the key technical indexes of the present invention:
The aqueous emulsion the key technical indexes of the present invention:
The microemulsion the key technical indexes of the present invention:
The microcapsule suspending agent the key technical indexes of the present invention:
The microcapsule suspension-suspendinagent agent the key technical indexes of the present invention:
It is an advantage of the current invention that:
After (1) five fluorine worm hydrazone and fipronil bisamide, Rynaxypyr are composite, there is obvious potentiation and lasting effect；(2) insect on cereal crops, legume crop, fibre crops, sugar crop, melon crop, fruits crop, dry fruit crop, hobby crop, root crop, oil crop, flower crop, medicinal crop, crop, green manure pasture crop all there is greater activity；(3) decrease pesticide usage amount, reduce pesticide residual quantity on crop, alleviate environmental pollution；(4) to person poultry safety, Environmental compatibility is good；And preparation adhesion strength strengthens, resistance of rainwater washing against。
Detailed description of the invention
Below in conjunction with embodiment to further instruction of the present invention, the percentage ratio in embodiment is all weight percentage, but the invention is not limited in this。
Application Example one
Example 1～8 wettable powder
By five fluorine worm hydrazones, active component B, dispersant, wetting agent, filler mix homogeneously in mixed cylinder, remix uniformly after jet mill is pulverized, can be prepared by wettable powder product of the present invention, be specifically shown in table 1。
Table 1 embodiment 1～8 each component and weight portion
Example 9～16 water dispersible granules
Five fluorine worm hydrazones, active component B, dispersant, wetting agent, disintegrating agent, filler etc. are obtained through comminution by gas stream together the particle diameter needed, adds other auxiliary agents such as binding agent (can add and can be not added with), obtain granulation materials。Item is quantitatively sent in fluidized bed granulating dryer through granulating and dried, can be prepared by water dispersible granules product of the present invention, be specifically shown in table 2。
Table 2 embodiment 9～16 each component and weight portion
Example 17～24 suspending agent
By dispersant, wetting agent, defoamer, thickening agent (can add and can be not added with), antifreeze (can add and can be not added with), through high speed shear mix homogeneously, add five fluorine worm hydrazones, active component B, ball milling 2～3 hours in ball mill, make diameter of particle all below 5 μm, surplus deionized water is supplied, and can be prepared by suspending agent product of the present invention, is specifically shown in table 3。
Table 3 embodiment 17～24 each component and weight portion
Example 25～28 suspension emulsion
By dispersant, defoamer, thickening agent (can add and can be not added with), antifreeze (can add and can be not added with) through high speed shear mix homogeneously, add active component B, ball milling 2～3 hours in ball mill, make diameter of particle all below 5 μm, prepare active component B suspending agent, then by five fluorine worm hydrazones, solvent, emulsifying agent and the various direct emulsifying of auxiliary agent high speed agitator to suspending agent, surplus deionized water is supplied, prepare suspension emulsion product of the present invention, be specifically shown in table 4。
Table 4 embodiment 25～28 each groups and weight portion
Example 29～34 aqueous emulsion
Five fluorine worm hydrazones, active component B, solvent, emulsifying agent are added together, make to be dissolved into homogeneous oil phase；Deionized water, antifreeze (can add and can be not added with), thickening agent (can add and can be not added with), defoamer are mixed, becomes homogeneous aqueous phase。Under high velocity agitation, aqueous phase adding oil phase, surplus deionized water is supplied；Can be prepared by aqueous emulsion product of the present invention, be specifically shown in table 5。
Table 5 embodiment 29～34 each component and weight portion
Fipronil bisamide, Rynaxypyr in table 1～5 are exchanged, novel formulation can be prepared。
Example 35,36 microemulsion
Five fluorine worm hydrazones, active component B are dissolved in equipped with in the homogenizer of solvent, emulsifying agent, antifreeze (can add and can be not added with), defoamer are joined in the homogenizer equipped with above-mentioned solution, surplus deionized water strongly mixes after supplying and homogenizes, and finally obtains the microemulsion product of the present invention that clear appearance is transparent。It is specifically shown in table 6。
Table 6 example 35,36 each component and content
Example 37,38 microcapsule suspending agent
By five fluorine worm hydrazones, active component B, macromolecule cyst material, solvent mixing, make to be dissolved into homogeneous oil phase, in a shear condition, oil phase is joined containing emulsifying agent, pH adjusting agent, dispersant aqueous phase solution in, surplus deionized water is supplied, bi-material reacts at oil-water interfaces, forms macromolecule cyst wall, makes the finely disseminated microcapsule suspending agent product of the present composition。It is specifically shown in table 7。
Table 7 embodiment 37,38 each component and weight portion
Example 39,40 microcapsule suspension-suspendinagent agent
By active component B, macromolecule cyst material, solvent mixing, make to be dissolved into homogeneous oil phase, oil phase is joined in a shear condition containing emulsifying agent, pH adjusting agent aqueous phase solution in, make finely disseminated microcapsule suspending agent。By dispersant, wetting agent, defoamer, thickening agent (can add and can be not added with) through high speed shear mix homogeneously, add five fluorine worm hydrazones, ball milling 2～3 hours in ball mill, make diameter of particle all below 5 μm, preparing suspending agent, then joined by suspending agent in the aqueous phase solution of micro-capsule suspension, deionized water supplies surplus, make the finely disseminated microcapsule suspension-suspendinagent agent product of the present composition, be specifically shown in table 8。
Table 8 embodiment 39,40 each component and weight portion
The embodiment of the present invention is the method adopting Toxicity Determination and field test to combine。First pass through Toxicity Determination, co-toxicity coefficient (CTC) after clear and definite two kinds of medicaments are composite by a certain percentage, CTC < 80 is antagonism, 80≤CTC≤120 are summation action, CTC > 120 is potentiation, on this basis, then carry out field test。
Test method: respectively the mother solution of each mixed agent is diluted to during test five series concentration, is respectively placed in beaker standby。Adopt the method that first leaching leaf is followed by worm, take out after blade of the same size not in contact with any medicament is soaked 5s in the medicinal liquid configured, naturally dry, put in insect box, then connect for examination larva, raise under 25 DEG C of conditions, often process 3 times and repeat, often repeating examination borer population used is 50, sets blank simultaneously, checks dead borer population in 72h, calculate mortality rate and corrected mortality, try to achieve virulence regression equation and calculate LC50Value。If comparison mortality rate is more than 10%, then it is considered as invalid test。Computing formula is as follows:
Insect corrected mortality is converted into probit value (y), concentration for the treatment of (μ g/ml) converts logarithm value (x) to, draw virulence regression equation with method of least square, and thus calculate the value of every kind of medicament, calculate co-toxicity coefficient CTC according to the abundant equation of Sun Yun。Computing formula following (with five fluorine worm hydrazones for standard agent, its toxicity index is 100):
TI × the P of theoretical toxicity index (TTI)=five fluorine worm hydrazone of MFive fluorine worm hydrazones+TI × the P of effective active composition BEffective active composition B
In formula: M is the mixture of different ratio
PEffective active composition BFor the ratio that effective active composition B is shared in the composition
PFive fluorine worm hydrazonesIt is the shared in the composition ratios of five fluorine worm hydrazones
B one in fipronil bisamide, Rynaxypyr。
Application Example two:
For examination insect: Laphygma exigua Hubner；Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd.。EXPERIMENTAL DESIGN: determine effective lethasl concentration scope of five fluorine worm hydrazones and the former medicine of fipronil bisamide and the two different ratio mixture through pilot study。
Table 9 five fluorine worm hydrazone and the composite toxicity test analysis of results table to Laphygma exigua Hubner of fipronil bisamide
| Reagent agent | Proportioning | LC50(ug/mL) | Co-toxicity coefficient (CTC) |
| Five fluorine worm hydrazones | - | 9.31 | - |
| Fipronil bisamide | - | 2.78 | - |
| Five fluorine worm hydrazone fipronil bisamides | 80:1 | 5.02 | 180.23 |
| Five fluorine worm hydrazone fipronil bisamides | 60:1 | 4.37 | 205.14 |
| Five fluorine worm hydrazone fipronil bisamides | 40:1 | 4.12 | 213.73 |
| Five fluorine worm hydrazone fipronil bisamides | 25:1 | 3.71 | 230.15 |
| Five fluorine worm hydrazone fipronil bisamides | 20:1 | 3.46 | 242.01 |
| Five fluorine worm hydrazone fipronil bisamides | 15:1 | 3.21 | 252.90 |
| Five fluorine worm hydrazone fipronil bisamides | 10:1 | 2.89 | 265.46 |
| Five fluorine worm hydrazone fipronil bisamides | 6:1 | 2.55 | 273.37 |
| Five fluorine worm hydrazone fipronil bisamides | 3:1 | 2.07 | 283.36 |
| Five fluorine worm hydrazone fipronil bisamides | 1:1 | 1.56 | 274.46 |
| Five fluorine worm hydrazone fipronil bisamides | 1:3 | 1.26 | 267.55 |
| Five fluorine worm hydrazone fipronil bisamides | 1:6 | 1.19 | 259.63 |
| Five fluorine worm hydrazone fipronil bisamides | 1:10 | 1.23 | 241.41 |
| Five fluorine worm hydrazone fipronil bisamides | 1:15 | 1.25 | 232.60 |
| Five fluorine worm hydrazone fipronil bisamides | 1:20 | 1.37 | 209.93 |
| Five fluorine worm hydrazone fipronil bisamides | 1:40 | 1.49 | 189.82 |
| Five fluorine worm hydrazone fipronil bisamides | 1:60 | 1.61 | 174.68 |
As shown in Table 9, five fluorine worm hydrazones and fipronil bisamide to Laphygma exigua Hubner proportioning when 1 60～80 1, co-toxicity coefficient is all higher than 120, illustrate that both all show potentiation at mixture in 1 60～80 1 scopes, when the proportioning of five fluorine worm hydrazones and fipronil bisamide is when 1 15～25 1, potentiation becomes apparent from highlighting, and co-toxicity coefficient is all higher than 230。Testing, through applicant, the optimum ratio finding five fluorine worm hydrazones and fipronil bisamide is 25:1,20:1,15:1,10:1,9:1,8:1,7:1,6:1,5:1,4:1,3:1,2:1,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10,1:15, wherein when five fluorine worm hydrazones and fipronil bisamide weight ratio are 3:1, co-toxicity coefficient is maximum, and potentiation is the most obvious。
Application Example three
For examination insect: Oryza sativa L. rice leaf roller；Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd.。EXPERIMENTAL DESIGN: determine effective lethasl concentration scope of five fluorine worm hydrazones and the former medicine of Rynaxypyr and the two different ratio mixture through pilot study。
Table 10 5 fluorine worm hydrazone and the composite toxicity test analysis of results table to Oryza sativa L. rice leaf roller of Rynaxypyr
| Reagent agent | Proportioning | LC50(ug/mL) | Co-toxicity coefficient (CTC) |
| Five fluorine worm hydrazones | - | 10.15 | - |
| Rynaxypyr | - | 2.04 | - |
| Five fluorine worm hydrazone Rynaxypyrs | 80:1 | 5.14 | 188.23 |
| Five fluorine worm hydrazone Rynaxypyrs | 60:1 | 4.76 | 200.19 |
| Five fluorine worm hydrazone Rynaxypyrs | 40:1 | 4.21 | 219.78 |
| Five fluorine worm hydrazone Rynaxypyrs | 25:1 | 3.73 | 236.03 |
| Five fluorine worm hydrazone Rynaxypyrs | 20:1 | 3.42 | 249.54 |
| Five fluorine worm hydrazone Rynaxypyrs | 15:1 | 3.19 | 254.86 |
| Five fluorine worm hydrazone Rynaxypyrs | 10:1 | 2.84 | 262.52 |
| Five fluorine worm hydrazone Rynaxypyrs | 8:1 | 2.58 | 272.88 |
| Five fluorine worm hydrazone Rynaxypyrs | 5:1 | 2.13 | 286.62 |
| Five fluorine worm hydrazone Rynaxypyrs | 3:1 | 1.84 | 276.66 |
| Five fluorine worm hydrazone Rynaxypyrs | 1:1 | 1.30 | 261.32 |
| Five fluorine worm hydrazone Rynaxypyrs | 1:5 | 0.95 | 247.73 |
| Five fluorine worm hydrazone Rynaxypyrs | 1:10 | 0.93 | 236.54 |
| Five fluorine worm hydrazone Rynaxypyrs | 1:15 | 0.99 | 216.89 |
| Five fluorine worm hydrazone Rynaxypyrs | 1:20 | 1.05 | 201.97 |
| Five fluorine worm hydrazone Rynaxypyrs | 1:40 | 1.09 | 190.88 |
| Five fluorine worm hydrazone Rynaxypyrs | 1:60 | 1.14 | 181.32 |
As shown in Table 10, five fluorine worm hydrazones and Rynaxypyr to Oryza sativa L. rice leaf roller proportioning when 1 60～80 1, co-toxicity coefficient is all higher than 120, illustrate that both all show potentiation at mixture in 1 60～80 1 scopes, when the proportioning of five fluorine worm hydrazones and Rynaxypyr is when 1 10～25 1, potentiation becomes apparent from highlighting, and co-toxicity coefficient is all higher than 235。Testing, through applicant, the optimum ratio finding five fluorine worm hydrazones and Rynaxypyr is 25:1,15:1,10:1,9:1,8:1,7:1,6:1,5:1,4:1,3:1,2:1,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:10, wherein when five fluorine worm hydrazones and Rynaxypyr weight ratio are 5:1, co-toxicity coefficient is maximum, and potentiation is the most obvious。
Find through test: after five fluorine worm hydrazones and active component B are composite to the trialeurodes vaporariorum in various crop, Bemisia tabaci, pear sucker, planthopper, aphid, tea lesser leafhopper, beet armyworm, diamondback moth, Prodenia litura, apple leaf miner, striped rice borer, yellow rice borer, rice leaf roller, bollworm, pink bollworm, fleahopper, heart-eating worm, flea beetle, thrips, scale insect preventing and treating have obvious potentiation, co-toxicity coefficient is all more than 120。
Effect experiment part: test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., provided, comparison medicament 24% 5 fluorine worm hydrazone suspending agent (autogamy), 20% fipronil bisamide water dispersible granules (autogamy), 5% Rynaxypyr suspending agent (commercial)。
Application Example four or five fluorine worm hydrazone and active component B and the composite preventing and treating Laphygma exigua Hubner test of pesticide effectiveness thereof
This test arrangement, in Weinan city Linwei district, Shaanxi Province, investigates Laphygma exigua Hubner insect pest index before medicine, in insect pest early period of origination dispenser, within after dispenser 3 days, 10 days, 20 days, investigate insect pest indexes and calculate preventive effect。Result of the test is as follows:
Table 11 5 fluorine worm hydrazone and active component B and the composite preventing and treating Laphygma exigua Hubner test of pesticide effectiveness thereof
As can be seen from Table 11, Laphygma exigua Hubner can be effectively prevented and treated after five fluorine worm hydrazones are composite with active component B, through inventor it have been experienced that five fluorine worm hydrazones and active component B composite after can also effectively prevent and treat Caulis et Folium Brassicae capitatae diamondback moth, Pieris rapae, Prodenia litura, prevention effect is above 95%, it is better than the preventive effect of single dose, and the preventive effect phase is long。In test scope of medication, target crop is had no adverse effects。
Application Example five or five fluorine worm hydrazone and active component B and the composite preventing and treating rice-stem borer test of pesticide effectiveness thereof
This test arrangement, in Ankang City suburb, Shaanxi Province, investigates rice-stem borer insect pest index before medicine, in insect pest early period of origination dispenser, within after dispenser 3 days, 7 days, 15 days, investigate insect pest indexes and calculate preventive effect。Result of the test is as follows:
Table 12 5 fluorine worm hydrazone and active component B and the composite preventing and treating rice-stem borer test of pesticide effectiveness thereof
As can be seen from Table 12, rice-stem borer can be effectively prevented and treated after five fluorine worm hydrazones are composite with active component B, through inventor it have been experienced that five fluorine worm hydrazones and active component B composite after can also effectively prevent and treat Yellow Rice Borer, rice leaf roller, planthopper, prevention effect is above 96%, it is better than the preventive effect of single dose, and the preventive effect phase is long。In test scope of medication, target crop is had no adverse effects。
Application Example six or five fluorine worm hydrazone and active component B and the composite preventing and treating cotton boll worm test of pesticide effectiveness thereof
This test arrangement, in Weinan City Dali County, Shaanxi Province, investigates cotton boll pests index before medicine, in insect pest early period of origination dispenser, within after dispenser 3 days, 7 days, 15 days, investigate insect pest indexes and calculate preventive effect。Result of the test is as follows:
Table 13 5 fluorine worm hydrazone and active component B and the composite preventing and treating cotton boll worm test of pesticide effectiveness thereof
As can be seen from Table 13, five fluorine worm hydrazones and active component B and composite preventing and treating cotton boll worm thereof, through inventor it have been experienced that five fluorine worm hydrazones composite with active component B after can also effectively prevent and treat pink bollworm, fleahopper, prevention effect is above 95%, it is better than the preventive effect of single dose, and the preventive effect phase is long。In test scope of medication, target crop is had no adverse effects。
Application Example the Seventh Five-Year Plan fluorine worm hydrazone and active component B and composite prevent and treat the rice hoppers test of pesticide effectiveness
This test arrangement, in Hanzhong City suburb, Shaanxi Province, investigates rice hoppers insect pest index before medicine, in insect pest early period of origination dispenser, within after dispenser 3 days, 7 days, 15 days, investigate insect pest indexes and calculate preventive effect。Result of the test is as follows:
Table 14 5 fluorine worm hydrazone and active component B and composite prevent and treat the rice hoppers test of pesticide effectiveness
As can be seen from Table 14, rice hoppers can be effectively prevented and treated after five fluorine worm hydrazones are composite with active component B, through inventor it have been experienced that five fluorine worm hydrazones and active component B composite after can also effectively prevent and treat rice leaf roller, striped rice borer, yellow rice borer, prevention effect is above 96%, it is better than the preventive effect of single dose, and the preventive effect phase is long。In test scope of medication, target crop is had no adverse effects。
Application Example eight or five fluorine worm hydrazone and active component B and composite preventing and treating mandarin tree Control of Aphids thereof
This test arrangement, at Shaanxi Province's Hanzhong City, investigates mandarin tree aphid insect pest index before medicine, in insect pest early period of origination dispenser, within after dispenser 3 days, 10 days, 20 days, investigate insect pest indexes and calculate preventive effect。Result of the test is as follows:
Table 15 5 fluorine worm hydrazone and active component B and composite preventing and treating mandarin tree Control of Aphids thereof
As can be seen from Table 15, can effectively prevent and treat mandarin tree aphid after five fluorine worm hydrazones and active component B are composite, through inventor it have been experienced that five fluorine worm hydrazones composite with active component B after can also effectively prevent and treat mandarin tree scale insect, prevention effect is above 95%, it is better than the preventive effect of single dose, and the preventive effect phase is long。In test scope of medication, target crop is had no adverse effects。
After draw through tests different local throughout the country, after five fluorine worm hydrazones and fipronil bisamide, Rynaxypyr are composite to the preventive effect of the common insect pests such as the trialeurodes vaporariorum in various crop, Bemisia tabaci, pear sucker, planthopper, aphid, tea lesser leafhopper, beet armyworm, diamondback moth, Prodenia litura, apple leaf miner, striped rice borer, yellow rice borer, rice leaf roller, bollworm, pink bollworm, fleahopper, heart-eating worm, flea beetle, thrips, scale insect all more than 95%, being better than single dose preventive effect, potentiation is obvious。
Claims (6)
1. the Efficient insecticidal composition containing five fluorine worm hydrazones, containing active components A and active component B, it is characterized in that: active components A and active component B weight ratio are 1 60～80 1, described active components A is five fluorine worm hydrazones, active component B one in fipronil bisamide, Rynaxypyr。
2. the Efficient insecticidal composition containing five fluorine worm hydrazones according to claim 1, it is characterised in that: the weight ratio of active components A and active component B is 1 40～60 1。
3. the Efficient insecticidal composition containing five fluorine worm hydrazones according to claim 2, it is characterised in that: the weight ratio of five fluorine worm hydrazones and fipronil bisamide is 1 15～25 1；
The weight ratio of five fluorine worm hydrazones and Rynaxypyr is 1 10～25 1。
4. the Efficient insecticidal composition containing five fluorine worm hydrazones according to any one of claim 1 to 3, it is characterised in that: compositions makes wettable powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microemulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent。
5. the Efficient insecticidal composition containing five fluorine worm hydrazones according to claim 4 is for preventing and treating the purposes of insect on crops。
6. purposes according to claim 5, it is characterised in that: described insect includes trialeurodes vaporariorum, Bemisia tabaci, pear sucker, planthopper, aphid, tea lesser leafhopper, beet armyworm, diamondback moth, Prodenia litura, apple leaf miner, striped rice borer, yellow rice borer, rice leaf roller, bollworm, pink bollworm, fleahopper, heart-eating worm, flea beetle, thrips, scale insect。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Address after: 715500 Pucheng high tech Industrial Development Zone, Weinan, Shaanxi Applicant after: Shaanxi Mei Bang Pharmaceutical Group Limited by Share Ltd Address before: 715500 Shaanxi Pucheng Weinan County agricultural base industrial park Applicant before: Shaanxi Meibang Pesticide Co., Ltd. |
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