CN105613558A - Insecticidal composition containing ZJ3757 - Google Patents
Insecticidal composition containing ZJ3757 Download PDFInfo
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- CN105613558A CN105613558A CN201410604105.8A CN201410604105A CN105613558A CN 105613558 A CN105613558 A CN 105613558A CN 201410604105 A CN201410604105 A CN 201410604105A CN 105613558 A CN105613558 A CN 105613558A
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Abstract
The invention discloses an insecticidal composition containing ZJ3757. Effective active ingredients of the insecticidal composition contain an active ingredient A and an active ingredient B, wherein the active ingredient A is ZJ3757, the active ingredient B is any compound selected from flonicamid and Sulfoxaflor, and the weight ratio of the active ingredient A to the active ingredient B is (1: 80) to (80: 1). The composition disclosed by the invention has a synergistic effect on a variety of pests which endanger agricultural production, so that the dosage of pesticides is reduced, the residual quantity of the pesticides on crops is reduced, the environmental pollution is alleviated, the composition is safe to human and livestock and is good in environmental compatibility, and the drug resistance for the pests is difficult to generate.
Description
Technical field
The invention belongs to technical field of pesticide, relate to the application on crop pests of the Pesticidal combination of a kind of fluorine-containing oxygen insect amide.
Background technology
Fluorine oxygen insect amide is Zhejiang Provincial Chemical Engineering Research Inst research and development, is mainly used in preventing and treating lepidoptera pest, and the longevity of residure is long, larva can be made to stop immediately taking food, to environment and crop safety, rain resistance.
Flonicamid, sulfoxaflor belong to the anabasine insecticide commonly used, and are widely used in the insect pest on preventing and treating crops, and prevention effect is better.
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 fluorine oxygen insect amide and flonicamid, sulfoxaflor, and not yet open about the relevant report that fluorine oxygen insect amide and flonicamid, sulfoxaflor are composite.
Summary of the invention
The purpose of the present invention is to propose to a kind of there is synergistic function, the Pesticidal combination of use cost is low, preventive effect is good fluorine-containing oxygen insect amide.
The Pesticidal combination of the fluorine-containing oxygen insect amide that the present invention proposes is made up of with active component B active components A, active components A and active component B weight ratio are 1 80��80 1, described active components A is fluorine oxygen insect amide, active component B one in flonicamid, sulfoxaflor, active components A and the preferred weight ratio of active component B are 1 60��60 1; The weight ratio being more preferably fluorine oxygen insect amide and flonicamid is 1 25��20 1, and the weight ratio of fluorine oxygen insect amide and sulfoxaflor is 1 25��20 1.
The Pesticidal combination of the fluorine-containing oxygen insect amide that the present invention proposes is for preventing and treating the purposes of insect on crops, and 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 is aphid, aleyrodid, bollworm, beet armyworm, diamondback moth, Pieris rapae, Prodenia litura, planthopper, rice leaf roller, striped rice borer, yellow rice borer, scale insect or blind Chinese toon.
Active components A, active component B weight ratio be 1 80��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.
The bactericidal composition 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, disintegrating agent, antifreeze etc.
The Pesticidal combination of the present invention, acceptable dosage form on any pesticide can be processed 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, it is also possible to make effervescent tablet, seed coat agent, ultra low volume liquids.
Compositions comprises following constituent content when making wettable powder: active components A 0.1%��80%, active component B0.1%��80%, 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%��80%, 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 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%, defoamer 0.01%��2%, emulsifying agent 1%��7%, 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 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:
(1) fluorine oxygen insect amide and flonicamid, sulfoxaflor composite after, there is obvious potentiation and lasting effect; (2) 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 insect 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
Embodiment 1��8 wettable powder
By fluorine oxygen insect amide, 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
Embodiment 9��16 water dispersible granules
Fluorine oxygen insect amide, 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
Embodiment 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 fluorine oxygen insect amide, active component B, ball milling 2��3 hours in ball mill, make diameter of particle all below 5 ��m, 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
Embodiment 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 ��m, prepare active component B suspending agent, then by fluorine oxygen insect amide, solvent (can add and can be not added with), 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 component and weight portion
Embodiment 29��34 aqueous emulsion
Fluorine oxygen insect amide, 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
Flonicamid, sulfoxaflor in table 1��5 are exchanged, novel formulation can be prepared.
Embodiment 35��37 microemulsion
Fluorine oxygen insect amide, 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, finally obtain the microemulsion product of the present invention that clear appearance is transparent, be specifically shown in table 6.
Table 6 embodiment 35��37 each component and content
Embodiment 38,39 microcapsule suspending agent
By fluorine oxygen insect amide, active component B, macromolecule cyst material, solvent, defoamer 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, and bi-material reacts at oil-water interfaces, forms macromolecule cyst wall, make the finely disseminated microcapsule suspending agent product of the present composition, be specifically shown in table 7.
Table 7 embodiment 38,39 each component and weight portion
Embodiment 40,41 microcapsule suspension-suspendinagent agent
By fluorine oxygen insect amide, 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 active component B, ball milling 2��3 hours in ball mill, make diameter of particle all below 5 ��m, 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 40,41 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 (�� g/ml) converts logarithm value (x) to, virulence regression equation is drawn 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 fluorine oxygen insect amide for standard agent, its toxicity index is 100):
TI �� the P of the theoretical toxicity index (TTI) of M=fluorine oxygen insect amideFluorine oxygen insect amide+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
PFluorine oxygen insect amideFor the ratio that fluorine oxygen insect amide is shared in the composition
B one in flonicamid, sulfoxaflor.
Application Example two:
For examination insect: apple aphid
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
EXPERIMENTAL DESIGN: determine effective lethasl concentration scope of fluorine oxygen insect amide and the former medicine of flonicamid and the two different ratio mixture through pilot study.
Toxicity test result
Table 9 fluorine oxygen insect amide and the composite toxicity test analysis of results table to apple aphid of flonicamid
| Reagent agent | Proportioning | LC50(ug/mL) | Co-toxicity coefficient (CTC) |
| Fluorine oxygen insect amide | �� | 1.25 | �� |
| Flonicamid | �� | 2.40 | �� |
| Fluorine oxygen insect amide flonicamid | 80:1 | 0.69 | 182.24 |
| Fluorine oxygen insect amide flonicamid | 60:1 | 0.65 | 193.83 |
| Fluorine oxygen insect amide flonicamid | 40:1 | 0.62 | 204.00 |
| Fluorine oxygen insect amide flonicamid | 20:1 | 0.56 | 228.44 |
| Fluorine oxygen insect amide flonicamid | 10:1 | 0.55 | 237.64 |
| Fluorine oxygen insect amide flonicamid | 5:1 | 0.56 | 242.62 |
| Fluorine oxygen insect amide flonicamid | 1:1 | 0.65 | 253.04 |
| Fluorine oxygen insect amide flonicamid | 1:2 | 0.69 | 266.41 |
| Fluorine oxygen insect amide flonicamid | 1:5 | 0.82 | 254.07 |
| Fluorine oxygen insect amide flonicamid | 1:10 | 0.91 | 243.71 |
| Fluorine oxygen insect amide flonicamid | 1:15 | 0.98 | 231.91 |
| Fluorine oxygen insect amide flonicamid | 1:25 | 1.03 | 225.38 |
| Fluorine oxygen insect amide flonicamid | 1:40 | 1.14 | 206.22 |
| Fluorine oxygen insect amide flonicamid | 1:60 | 1.20 | 197.33 |
| Fluorine oxygen insect amide flonicamid | 1:80 | 1.28 | 185.68 |
As shown in Table 9, fluorine oxygen insect amide and flonicamid to apple aphid proportioning when 1 80��80 1, co-toxicity coefficient is all higher than 120, illustrate that both all show potentiation at mixture in 1 80��80 1 scopes, when the proportioning of fluorine oxygen insect amide and flonicamid is when 1 25��20 1, potentiation becomes apparent from highlighting, and co-toxicity coefficient is all higher than 225. Testing, through applicant, the optimum ratio finding fluorine oxygen insect amide and flonicamid is 20:1,15:1,10:1,8:1,7:1,6:1,5:1,4:1,3:1,2:1,1:1,1:2,1:3,1:4,1:5,1:6,1:8,1:10,1:15,1:20,1:25, wherein when fluorine oxygen insect amide and flonicamid weight ratio are 1:2, co-toxicity coefficient is maximum, and potentiation is the most obvious.
Application Example three
For examination insect: rice hoppers
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
EXPERIMENTAL DESIGN: determine effective lethasl concentration scope of fluorine oxygen insect amide and the former medicine of sulfoxaflor and the two different ratio mixture through pilot study.
Table 10 fluorine oxygen insect amide and the composite toxicity test analysis of results table to rice hoppers of sulfoxaflor
| Reagent agent | Proportioning | LC50(ug/mL) | Co-toxicity coefficient (CTC) |
| Fluorine oxygen insect amide | �� | 1.20 | �� |
| Sulfoxaflor | �� | 3.15 | �� |
| Fluorine oxygen insect amide sulfoxaflor | 80:1 | 0.68 | 177.83 |
| Fluorine oxygen insect amide sulfoxaflor | 60:1 | 0.64 | 189.43 |
| Fluorine oxygen insect amide sulfoxaflor | 40:1 | 0.60 | 203.07 |
| Fluorine oxygen insect amide sulfoxaflor | 20:1 | 0.53 | 233.30 |
| Fluorine oxygen insect amide sulfoxaflor | 10:1 | 0.53 | 239.94 |
| Fluorine oxygen insect amide sulfoxaflor | 5:1 | 0.55 | 243.33 |
| Fluorine oxygen insect amide sulfoxaflor | 1:1 | 0.67 | 259.57 |
| Fluorine oxygen insect amide sulfoxaflor | 1:3 | 0.85 | 263.88 |
| Fluorine oxygen insect amide sulfoxaflor | 1:5 | 0.97 | 255.95 |
| Fluorine oxygen insect amide sulfoxaflor | 1:10 | 1.11 | 247.75 |
| Fluorine oxygen insect amide sulfoxaflor | 1:15 | 1.20 | 238.81 |
| Fluorine oxygen insect amide sulfoxaflor | 1:25 | 1.29 | 230.34 |
| Fluorine oxygen insect amide sulfoxaflor | 1:40 | 1.45 | 209.45 |
| Fluorine oxygen insect amide sulfoxaflor | 1:60 | 1.56 | 197.16 |
| Fluorine oxygen insect amide sulfoxaflor | 1:80 | 1.68 | 184.26 |
As shown in Table 10, fluorine oxygen insect amide and sulfoxaflor to rice hoppers proportioning when 1 80��80 1, co-toxicity coefficient is all higher than 120, illustrate that both all show potentiation at mixture in 1 80��80 1 scopes, when the proportioning of fluorine oxygen insect amide and sulfoxaflor is when 1 25��20 1, potentiation becomes apparent from highlighting, and co-toxicity coefficient is all higher than 230. Testing, through applicant, the optimum ratio finding fluorine oxygen insect amide and sulfoxaflor is 20:1,15:1,10:1,8:1,7:1,6:1,5:1,4:1,3:1,2:1,1:1,1:2,1:3,1:4,1:5,1:6,1:8,1:10,1:15,1:20,1:25, wherein when fluorine oxygen insect amide and sulfoxaflor weight ratio are 1:3, co-toxicity coefficient is maximum, and potentiation is the most obvious.
Find through test: the preventing and treating of the aphid in various crop, aleyrodid, bollworm, beet armyworm, diamondback moth, Pieris rapae, Prodenia litura, planthopper, rice leaf roller, striped rice borer, yellow rice borer, scale insect or blind Chinese toon is had obvious potentiation with active component B after composite by fluorine oxygen insect amide, and 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 20% fluorine oxygen insect amide suspending agent (autogamy), 10% flonicamid water dispersible granules (autogamy), 20% sulfoxaflor water dispersible granules (autogamy).
Application Example tetrafluoro oxygen insect amide and active component B and the composite preventing and treating Cucumber blight test of pesticide effectiveness thereof
This test arrangement, at Xian District, Shanxi Province suburban area, investigates Cucumber blight 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 fluorine oxygen insect amide and active component B and the composite preventing and treating Cucumber blight test of pesticide effectiveness thereof
As can be seen from Table 11, can effectively prevent and treat Cucumber blight after fluorine oxygen insect amide and active component B are composite, through inventor it have been experienced that fluorine oxygen insect amide composite with active component B after can also effectively prevent and treat Fructus Cucumidis sativi aleyrodid, prevention effect is above 97%, 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 fluorine oxygen insect amide 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 12 fluorine oxygen insect amide and active component B and composite prevent and treat the rice hoppers test of pesticide effectiveness
As can be seen from Table 12, rice hoppers can be effectively prevented and treated after fluorine oxygen insect amide is composite with active component B, through inventor it have been experienced that fluorine oxygen insect amide and active component B composite after can also effectively prevent and treat rice-stem borer, yellow rice borer, rice leaf roller, prevention effect is above 97%, 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 hexafluoro oxygen insect amide and active component B and the composite preventing and treating Laphygma exigua Hubner test of pesticide effectiveness thereof
This test arrangement, at Xian District, Shanxi Province suburban area, investigates Laphygma exigua Hubner insect pest index before medicine, in insect pest early period of origination dispenser, within after dispenser 3 days, 15 days, 30 days, investigate insect pest indexes and calculate preventive effect. Result of the test is as follows:
Table 13 fluorine oxygen insect amide and active component B and the composite preventing and treating Laphygma exigua Hubner test of pesticide effectiveness thereof
As can be seen from Table 13, fluorine oxygen insect amide and active component B and composite preventing and treating Laphygma exigua Hubner thereof, through inventor it have been experienced that fluorine oxygen insect amide and active component B composite after can also effectively prevent and treat cabbage pieris, diamondback moth, aphid, 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 seven fluorine oxygen insect amide and active component B and the composite preventing and treating mandarin tree scale insect test of pesticide effectiveness thereof
This test arrangement, in Hanzhong City suburb, Shaanxi Province, investigates mandarin tree scale insect 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 fluorine oxygen insect amide and active component B and the composite preventing and treating mandarin tree scale insect test of pesticide effectiveness thereof
As can be seen from Table 14, can effectively prevent and treat mandarin tree scale insect after fluorine oxygen insect amide and active component B are composite, through inventor it have been experienced that fluorine oxygen insect amide composite with active component B after can also effectively prevent and treat mandarin tree aphid, 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 octafluoro oxygen insect amide and active component B and the composite preventing and treating cotton boll worm test of pesticide effectiveness thereof
This test arrangement, in Weinan City suburb, 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 15 fluorine oxygen insect amide and active component B and the composite preventing and treating cotton boll worm test of pesticide effectiveness thereof
As can be seen from Table 15, can effectively prevent and treat cotton boll worm after fluorine oxygen insect amide and active component B are composite, through inventor it have been experienced that fluorine oxygen insect amide composite with active component B after can also effectively prevent and treat the blind Chinese toon of Cotton Gossypii, 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.
After draw through tests different local throughout the country, after fluorine oxygen insect amide and flonicamid, sulfoxaflor are composite to the preventive effect of the common insect pests such as the aphid in various crop, aleyrodid, bollworm, beet armyworm, diamondback moth, Pieris rapae, Prodenia litura, planthopper, rice leaf roller, striped rice borer, yellow rice borer, scale insect or blind Chinese toon all more than 95%, being better than single dose preventive effect, potentiation is obvious.
Claims (6)
1. the Pesticidal combination of a fluorine-containing oxygen insect amide, effective active composition is active components A and active component B, it is characterized in that: the weight ratio of active components A and active component B is 1 80��80 1, described active components A is fluorine oxygen insect amide, active component B one in flonicamid, sulfoxaflor.
2. the Pesticidal combination of fluorine-containing oxygen insect amide according to claim 1, it is characterised in that: the weight ratio of active components A and active component B is 1 60��60 1.
3. the Pesticidal combination of fluorine-containing oxygen insect amide according to claim 2, it is characterised in that:
The weight ratio of fluorine oxygen insect amide and flonicamid is 1 25��20 1;
The weight ratio of fluorine oxygen insect amide and sulfoxaflor is 1 25��20 1.
4. the Pesticidal combination of fluorine-containing oxygen insect amide 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 or microcapsule suspension-suspendinagent agent.
5. the Pesticidal combination of fluorine-containing oxygen insect amide 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 is aphid, aleyrodid, bollworm, beet armyworm, diamondback moth, Pieris rapae, Prodenia litura, planthopper, rice leaf roller, striped rice borer, yellow rice borer, scale insect or blind Chinese toon.
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