CN103621548A - Insect disinfestation composition containing spiromesifen and pyrethroid - Google Patents
Insect disinfestation composition containing spiromesifen and pyrethroid Download PDFInfo
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Abstract
The present invention discloses an insect disinfestation composition containing spiromesifen and pyrethroid. The insect disinfestation composition contains an active component A and an active component B, wherein the active component A is selected from spiromesifen, the active component B is any one compound selected from ethofenprox, bifenthrin, fenpropathrin and tefluthrin, and a weight ratio of the active component A to the active component B is 1:60-80:1. The composition provides synergy effects for a plurality of pests harmful for agricultural production, and has characteristics of pesticide consumption reduction, reduction of residual pesticide on crops, environmental pollution reduction, safety to human and animals, good environment compatibility, and pest drug resistance generation resistance.
Description
Technical field
The invention belongs to technical field of pesticide, relate to the application of a kind of Pesticidal combination containing Spiromesifen and pyrethroid on crop pests.
Background technology
Spiromesifen (spiromesifen) chemical name: 3-(2,4,6-trimethylphenyl)-2-oxo-1-oxaspiro [4.4] ninth of the ten Heavenly Stems-3-alkene-4-base-3,3-dimethyl butyrate acid esters, molecular formula: C
23h
30o
4, the mechanism of action of Spiromesifen is the growth that affects aleyrodid and acarid, disturbs the biosynthesis of its liposome, especially larval stage is had to good activity, can also produce ovarian duct closure function, reduce the fertility of acarid and adult whitefly, greatly reduce the quantity of laying eggs simultaneously.
Ether chrysanthemum ester, Biphenthrin, fenpropathrin, tefluthrin all belong to pyrethroid insecticides, are widely used in preventing and treating the insect pest on crops, and control efficiency is better.
Yet in the real process of agricultural production, the problem that pest control the most easily produces is the generation of pest resistance to insecticide.Different cultivars composition carries out composite, is the very common method of control resistant insect.Heterogeneity is carried out composite, according to practical application effect, judge certain composite be synergy, add and or antagonism.In most cases, the composite effect of agricultural chemicals is all additive effect, really has the seldom composite of synergistic effect, especially synergistic effect very obviously, co-toxicity coefficient very high composite just still less.Through inventor's research, after discovery is composite by Spiromesifen and ether chrysanthemum ester, Biphenthrin, fenpropathrin, tefluthrin, can produce good synergistic effect, and not yet open about the composite relevant report of Spiromesifen and ether chrysanthemum ester, Biphenthrin, fenpropathrin, tefluthrin.
Summary of the invention
The object of the invention is to propose a kind of have synergistic function, use cost is low, preventive effect the is good Pesticidal combination containing Spiromesifen and pyrethroid.
The Pesticidal combination containing Spiromesifen and pyrethroid 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 Spiromesifen, active component B is selected from a kind of in ether chrysanthemum ester, Biphenthrin, fenpropathrin, tefluthrin, and active components A and the preferred weight ratio of active component B are 1 ︰ 40 ~ 60 ︰ 1; More preferably the weight ratio of Spiromesifen and ether chrysanthemum ester is 1 ︰ 25 ~ 25 ︰ 1, the weight ratio of Spiromesifen and Biphenthrin is 1 ︰ 10 ~ 30 ︰ 1, the weight ratio of Spiromesifen and fenpropathrin is 1 ︰ 25 ~ 25 ︰ 1, and the weight ratio of Spiromesifen and tefluthrin is 1 ︰ 10 ~ 30 ︰ 1; The weight ratio that most preferably is Spiromesifen and ether chrysanthemum ester is 1 ︰ 10 ~ 10 ︰ 1, the weight ratio of Spiromesifen and Biphenthrin is 1 ︰ 1 ~ 20 ︰ 1, the weight ratio of Spiromesifen and fenpropathrin is 1 ︰ 10 ~ 10 ︰ 1, and the weight ratio of Spiromesifen and tefluthrin is 1 ︰ 1 ~ 20 ︰ 1.
The purposes of the Pesticidal combination containing Spiromesifen and pyrethroid that the present invention proposes for preventing and treating insect on crops, described crops comprise cereal crops, legume crop, fiber crop, sugar [yielding, melon crop, fruits crop, dry fruit crop, hobby crop, root crop, oil crop, flowers crop, medicinal crop, raw material crop, green manure pasture crop; Described insect comprises trialeurodes vaporariorum, Bemisia tabaci, rice fulgorid, rice gall midge, aphid, diamond-back moth, beet armyworm, prodenia litura, apple leaf miner, leaf miner, cabbage caterpillar, cotton bollworm, pink bollworm, heart-eating worm, tea lesser leafhopper, thrips, flea beetle, two spotted spider mite.
The weight ratio of active components A, active component B is 1 ︰ 60 ~ 80 ︰ 1.Conventionally in composition, the weight percentage of active component is gross weight 0.5%～90%, is preferably 5%～80%.According to different preparation types, active component content scope is different.Conventionally, liquid preparation contains 1%～70% active substance by weight, is preferably 5%～50%; Solid pharmaceutical preparation contains 5%～80% active substance by weight, is preferably 10%～80%.
In Pesticidal combination of the present invention, at least contain a kind of surfactant, the dispersion of active component in water while being beneficial to use.Surface-active contents is 5%～30% of total formulation weight amount, and surplus is solid or liquid diluent.
Bactericidal composition of the present invention can be by user before use through dilution or directly use.Its preparation can be prepared by common processing method known in those skilled in the art, after being about to active substance and mixing with liquid flux or solid carrier, then add surfactant as one or more in dispersant, stabilizing agent, wetting agent, binding agent, defoamer, disintegrant, antifreeze etc.
Pesticidal combination of the present invention, can be processed on demand acceptable formulation on any agricultural chemicals, wherein more preferably formulation is wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microemulsion, microcapsule suspending agent, microcapsule suspension-suspending agent.
When making wetting powder, composition comprises following constituent content: active components A 1% ~ 80%, active component B1% ~ 60%, dispersant 2% ~ 10%, wetting agent 2% ~ 10%, filler surplus.
When making water dispersible granules, composition comprises following constituent content: active components A 1% ~ 80%, active component B1% ~ 60%, dispersant 3% ~ 12%, wetting agent 1% ~ 8%, disintegrant 1% ~ 10%, binding agent 0 ~ 8%, filler surplus.
When making suspending agent, composition comprises following constituent content: active components A 0.5% ~ 50%, active component B0.5% ~ 50%, dispersant 2% ~ 10%, wetting agent 2% ~ 10%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, antifreeze 0 ~ 8%, deionized water add to 100%.
When making suspension emulsion, composition comprises following constituent content: active components A 0.5% ~ 50%, active component B0.5% ~ 50%, dispersant 2% ~ 10%, defoamer 0.01% ~ 2%, solvent 1% ~ 15%, thickener 0 ~ 2%, emulsifier 2% ~ 12%, antifreeze 0 ~ 8%, deionized water add to 100%.
When making aqueous emulsion, composition comprises following constituent content: active components A 0.5% ~ 50%, active component B0.5% ~ 50%, solvent 1% ~ 30%, emulsifier 1% ~ 15%, antifreeze 0 ~ 8%, thickener 0 ~ 2%, defoamer 0.01% ~ 2%, deionized water are supplied surplus.
When making microcapsule suspending agent, composition comprises following constituent content: active components A 0.5% ~ 50%, active component B0.5% ~ 50%, macromolecule cyst material 2% ~ 10%, dispersant 1% ~ 10%, organic solvent 1% ~ 10%, defoamer 0.01% ~ 2%, emulsifier 1% ~ 7%, pH adjusting agent 0.01% ~ 5%, deionized water add to 100%.
When making microcapsule suspension-suspending agent, composition comprises following constituent content: active components A 0.5% ~ 50%, active component B0.5% ~ 50%, macromolecule cyst material 2% ~ 10%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, organic solvent 1% ~ 15%, emulsifier 1% ~ 6%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, pH adjusting agent 0.01% ~ 5%, deionized water add to 100%.
Wetting powder the key technical indexes of the present invention:
Water dispersible granules the key technical indexes of the present invention:
Suspending agent the key technical indexes of the present invention:
Suspension emulsion the key technical indexes of the present invention:
Aqueous emulsion the key technical indexes of the present invention:
Microcapsule suspending agent the key technical indexes of the present invention:
Microcapsule suspension-suspending agent the key technical indexes of the present invention:
The invention has the advantages that:
(1) Spiromesifen and ether chrysanthemum ester, Biphenthrin, fenpropathrin, tefluthrin composite after, there is obvious synergy and lasting effect; (2) cereal crops, legume crop, fiber crop, sugar [yielding, melon crop, fruits crop, dry fruit crop, hobby crop, root crop, oil crop, flowers crop, medicinal crop, raw material crop, green manure pasture crop insect are all had to greater activity; (3) reduce agricultural chemicals dosage, reduced the residual quantity of agricultural chemicals on crop, alleviated environmental pollution; (4), to person poultry safety, Environmental compatibility is good; And preparation adhesion strength strengthens, resistance of rainwater washing against.
Embodiment
Below in conjunction with embodiment, to further instruction of the present invention, the percentage in embodiment is all weight percentage, but the present invention is not limited thereto.
Application Example one
Example 1～10 wetting powder
Spiromesifen, active component B, dispersant, wetting agent, filler are mixed in mixed cylinder, after airslide disintegrating mill is pulverized, mix again, can make wetting powder product of the present invention, specifically in Table 1.
Table 1 embodiment 1～10 each component and weight portion
Example 11～20 water dispersible granules
Spiromesifen, active component B, dispersant, wetting agent, disintegrant, filler etc. are obtained to the particle diameter needing through air-flow crushing together, then add other auxiliary agents such as binding agent (can add and can not add), obtain the materials of granulating.By item quantitatively send in fluidized bed granulation dryer through granulation and dry after, can make water dispersible granules product of the present invention, specifically in Table 2.
Table 2 embodiment 11～20 each component and weight portions
Example 21～30 suspending agents
By dispersant, wetting agent, defoamer, thickener (can add and can not add), antifreeze (can add and can not add), through high speed shear, mix, add Spiromesifen, active component B, in ball mill, ball milling is 2 ~ 3 hours, make diameter of particle all below 5 μ m, surplus is supplied by deionized water, can make suspending agent product of the present invention, specifically in Table 3.
Table 3 embodiment 21～30 each component and weight portions
Example 31～35 suspension emulsions
Dispersant, defoamer, thickener (can add and can not add), antifreeze (can add and can not add) are mixed through high speed shear, add Spiromesifen, in ball mill, ball milling is 2 ~ 3 hours, make diameter of particle all below 5 μ m, make Spiromesifen suspending agent, then by active component B, solvent, emulsifier and various auxiliary agent with the direct emulsification of high speed agitator in suspending agent, surplus is supplied by deionized water, make suspension emulsion product of the present invention, specifically in Table 4.
Table 4 embodiment 31～35 each component and weight portions
Example 36～45 aqueous emulsions
Spiromesifen, active component B, solvent, emulsifier are added together, make to be dissolved into even oil phase; Deionized water, antifreeze (can add and can not add), thickener (can add and can not add), defoamer are mixed, become homogeneous water.Under high-speed stirred, water is added to oil phase, surplus is supplied by deionized water; Can make aqueous emulsion product of the present invention, specifically in Table 5.
Table 5 embodiment 36～45 each component and weight portions
Ether chrysanthemum ester, Biphenthrin, fenpropathrin, tefluthrin in table 1 ~ 5 are exchanged, can make novel formulation.
Example 46～48 microemulsions
Spiromesifen, active component B are dissolved in the homogenizer that solvent is housed, emulsifier, antifreeze (can add and can not add), defoamer are joined in the homogenizer that above-mentioned solution is housed, surplus gives strong mixing and homogenize after supplying by deionized water, finally obtain the as clear as crystal microemulsion product of the present invention of outward appearance.Specifically in Table 6.
Table 6 example 46～48 each component and content
Example 49,50 microcapsule suspending agents
Spiromesifen, active component B, macromolecule cyst material, solvent, defoamer are mixed, make to be dissolved into even oil phase, under shearing condition, oil phase is joined in the aqueous phase solution that contains emulsifier, pH adjusting agent, dispersant, surplus is supplied by deionized water, bi-material reacts at oil-water interfaces, forms macromolecule cyst wall, makes the finely disseminated microcapsule suspending agent product of the present composition.Specifically in Table 7.
Table 7 embodiment 49,50 each component and weight portions
Example 51,52 microcapsule suspensions-suspending agent
By active component B, macromolecule cyst material, solvent, make to be dissolved into even oil phase, oil phase is joined in the aqueous phase solution that contains emulsifier, pH adjusting agent under shearing condition, make finely disseminated microcapsule suspending agent.Dispersant, wetting agent, defoamer, thickener (can add and can not add) are mixed through high speed shear, add Spiromesifen, in ball mill, ball milling is 2 ~ 3 hours, make diameter of particle all below 5 μ m, make suspending agent, then suspending agent is joined in the aqueous phase solution of micro-capsule suspension, deionized water is supplied surplus, make the finely disseminated microcapsule suspension-suspending agent of present composition product, specifically in Table 8.
Table 8 embodiment 51,52 each component and weight portions
The embodiment of the present invention is the method that adopts Toxicity Determination and field trial 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 synergistic effect, on this basis, then carry out field trial.
Test method: respectively the mother liquor of each mixed agent is diluted to five series concentration during test, is placed in respectively beaker standby.Adopt and first to soak the method that connects worm after leaf, after the blade of the same size that does not contact any medicament is soaked to 5s in the liquid configuring, take out, naturally dry, put into insect box, then connect for examination larva, under 25 ℃ of conditions, raise, every processing repeats for 3 times, every to repeat examination borer population used be 50, establishes blank simultaneously, in 72h, checks dead borer population, calculate lethality and corrected mortality, try to achieve virulence regression equation and calculate LC
50value.If contrast lethality is greater than 10%, be considered as invalid test.Computing formula is as follows:
Insect corrected mortality is converted into probit value (y), and concentration for the treatment of (μ g/ml) converts logarithm value to (x), with method of least squares, draws virulence regression equation, and calculates thus the value of every kind of medicament, according to the abundant equation of Sun Yun, calculates co-toxicity coefficient CTC.Computing formula following (take Spiromesifen as standard medicament, its toxicity index is 100):
TI * the P of theoretical toxicity index (TTI)=Spiromesifen of M
spiromesifen+tI * P of effective active composition B
effective active compositionb
In formula: the mixture that M is different proportionings
P
effective active compositionb is effective active composition B shared ratio in composition
P
spiromesifenfor Spiromesifen shared ratio in composition
B is selected from a kind of in ether chrysanthemum ester, Biphenthrin, fenpropathrin, tefluthrin.
Application Example two:
For trying insect: rice hoppers
Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd.
Experimental scheme: effective lethal concentration scope of determining Spiromesifen and the former medicine of ether chrysanthemum ester and the two different proportioning mixture through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to rice hoppers of table 9 Spiromesifen and ether chrysanthemum ester
As shown in Table 9, Spiromesifen and ether chrysanthemum ester to rice hoppers proportioning when 1 ︰ 60 ~ 80 ︰ 1, co-toxicity coefficient is all greater than 120, illustrate that both are mixed and all show synergistic effect in 1 ︰ 60 ~ 80 ︰ 1 scopes, when the proportioning of Spiromesifen and ether chrysanthemum ester is during at 1 ︰ 25 ~ 25 ︰ 1, synergistic effect is more obviously outstanding, and co-toxicity coefficient is all greater than 220.Through applicant, test and find that the optimum ratio of Spiromesifen and ether chrysanthemum ester is 25:1,20:1,15:1,10:1,8:1,6:1,5:1,4:1,3:1,2:1,1:1,1:2,1:3,1:4,1:5,1:6,1:8,1:10,1:15,1:20,1:25, wherein when Spiromesifen and ether chrysanthemum ester weight ratio are 1:1, co-toxicity coefficient is maximum, and synergistic effect is the most obvious.
Application Example three
For trying insect: tomato trialeurodes vaporariorum
Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd.
Experimental scheme: effective lethal concentration scope of determining the former medicine of Spiromesifen and Biphenthrin and the two different proportioning mixture through preliminary experiment.
The composite toxicity test analysis of results table to tomato trialeurodes vaporariorum of table 10 Spiromesifen and Biphenthrin
As shown in Table 10, Spiromesifen and Biphenthrin to tomato trialeurodes vaporariorum proportioning when 1 ︰ 60 ~ 80 ︰ 1, co-toxicity coefficient is all greater than 120, illustrate that both are mixed and all show synergistic effect in 1 ︰ 60 ~ 80 ︰ 1 scopes, when the proportioning of Spiromesifen and Biphenthrin is during at 1 ︰ 10 ~ 30 ︰ 1, synergistic effect is more obviously outstanding, and co-toxicity coefficient is all greater than 225.Through applicant, test and find that the optimum ratio of Spiromesifen and Biphenthrin is 30:1,25:1,20:1,18:1,16:1,15:1,14:1,13:1,12:1,11:1,10:1,9:1,8:1,7:1,6:1,5:1,4:1,3:1,1:1,1:5,1:10, wherein when Spiromesifen and Biphenthrin weight ratio are 9:1, co-toxicity coefficient is maximum, and synergistic effect is the most obvious.
Application Example four
For trying insect: mandarin tree two spotted spider mite
Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd.
Experimental scheme: effective lethal concentration scope of determining the former medicine of Spiromesifen and fenpropathrin and the two different proportioning mixture through preliminary experiment.
The composite toxicity test analysis of results table to mandarin tree two spotted spider mite of table 11 Spiromesifen and fenpropathrin
As shown in Table 11, Spiromesifen and fenpropathrin to mandarin tree two spotted spider mite proportioning when 1 ︰ 60 ~ 80 ︰ 1, co-toxicity coefficient is all greater than 120, illustrate that both are mixed and all show synergistic effect in 1 ︰ 60 ~ 80 ︰ 1 scopes, when the proportioning of Spiromesifen and fenpropathrin is during at 1 ︰ 25 ~ 25 ︰ 1, synergistic effect is more obviously outstanding, and co-toxicity coefficient is all greater than 220.Through applicant, test and find that the optimum ratio of Spiromesifen and fenpropathrin is 25:1,20:1,15:1,10:1,8:1,6:1,5:1,4:1,3:1,2:1,1:1,1:2,1:3,1:4,1:5,1:6,1:8,1:10,1:15,1:20,1:25, wherein when Spiromesifen and fenpropathrin weight ratio are 1:1, co-toxicity coefficient is maximum, and synergistic effect is the most obvious.
Application Example five
For trying insect: eggplant thrips
Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd.
Experimental scheme: effective lethal concentration scope of determining the former medicine of Spiromesifen and tefluthrin and the two different proportioning mixture through preliminary experiment.
The composite toxicity test analysis of results table to eggplant thrips of table 12 Spiromesifen and tefluthrin
As shown in Table 12, Spiromesifen and tefluthrin to eggplant thrips proportioning when 1 ︰ 60 ~ 80 ︰ 1, co-toxicity coefficient is all greater than 120, illustrate that both are mixed and all show synergistic effect in 1 ︰ 60 ~ 80 ︰ 1 scopes, when the proportioning of Spiromesifen and tefluthrin is during at 1 ︰ 10 ~ 30 ︰ 1, synergistic effect is more obviously outstanding, and co-toxicity coefficient is all greater than 220.Through applicant, test and find that the optimum ratio of Spiromesifen and tefluthrin is 30:1,25:1,20:1,18:1,16:1,15:1,14:1,13:1,12:1,11:1,10:1,9:1,8:1,7:1,6:1,5:1,4:1,3:1,1:1,1:5,1:10, wherein when Spiromesifen and tefluthrin weight ratio are 9:1, co-toxicity coefficient is maximum, and synergistic effect is the most obvious.
Through test, find: after Spiromesifen and active component B are composite, the control of trialeurodes vaporariorum in various crop, Bemisia tabaci, rice fulgorid, rice gall midge, aphid, diamond-back moth, beet armyworm, prodenia litura, apple leaf miner, leaf miner, cabbage caterpillar, cotton bollworm, pink bollworm, heart-eating worm, tea lesser leafhopper, thrips, flea beetle, two spotted spider mite is had to obvious synergistic effect, co-toxicity coefficient is all more than 120.
Effect experiment part: test medicine is researched and developed, provided by Shaanxi Mei Bang agricultural chemicals Co., Ltd, contrast medicament 24% Spiromesifen suspending agent (autogamy), 10% ether chrysanthemum ester suspending agent (commercial), 100 grams per liter Biphenthrin missible oil (commercial), 20% fenpropathrin milk oil (commercial), 10% tefluthrin missible oil (autogamy).
Application Example six Spiromesifens and active component B and the composite control cucumber Bemisia tabaci test of pesticide effectiveness thereof
This test arrangement is at Xian District, Shanxi Province suburban area, and before medicine, investigation cucumber Bemisia tabaci insect pest index, in the dispenser of insect pest initial stage of origination, investigates insect pest indexes and calculate preventive effect for after dispenser 3 days, 10 days, 20 days.Result of the test is as follows:
Table 13 Spiromesifen and active component B and the composite control cucumber Bemisia tabaci test of pesticide effectiveness thereof
As can be seen from Table 13, after Spiromesifen and active component B are composite, can effectively prevent and treat cucumber Bemisia tabaci, through inventor's evidence Spiromesifen and active component B, also can effectively prevent and treat cucumber trialeurodes vaporariorum after composite, control efficiency is all higher than 95%, the preventive effect that is better than single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example seven Spiromesifens and active component B and the composite rice hoppers test of pesticide effectiveness of preventing and treating thereof
This test arrangement is in Hanzhong City suburb, Shaanxi Province, and investigation rice hoppers insect pest index before medicine, in the dispenser of insect pest initial stage of origination, investigates insect pest indexes and calculate preventive effect for after dispenser 3 days, 7 days, 15 days.Result of the test is as follows:
Table 14 Spiromesifen and active component B and the composite rice hoppers test of pesticide effectiveness of preventing and treating thereof
As can be seen from Table 14, after Spiromesifen and active component B are composite, can effectively prevent and treat rice hoppers, through inventor's evidence Spiromesifen and active component B, also can effectively prevent and treat paddy rice rice gall midge, aphid after composite, control efficiency is all higher than 96%, the preventive effect that is better than single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example eight Spiromesifens and active component B and the composite control cabbage pieris test of pesticide effectiveness thereof
This test arrangement is at Xian District, Shanxi Province suburban area, and investigation cabbage pieris insect pest index before medicine, in the dispenser of insect pest initial stage of origination, investigates insect pest indexes and calculate preventive effect for after dispenser 3 days, 15 days, 30 days.Result of the test is as follows:
Table 15 Spiromesifen and active component B and the composite control cabbage pieris test of pesticide effectiveness thereof
As can be seen from Table 15, Spiromesifen and active component B and composite control cabbage pieris thereof, through inventor's evidence Spiromesifen and active component B, also can effectively prevent and treat wild cabbage diamond-back moth, beet armyworm, prodenia litura after composite, control efficiency is all higher than 95%, the preventive effect that is better than single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.Application Example nine Spiromesifens and active component B and the composite control cotton cotton bollworm test of pesticide effectiveness thereof
This test arrangement is in Weinan City Dali County, Shaanxi Province, and before medicine, investigation cotton cotton bollworm insect pest index, in the dispenser of insect pest initial stage of origination, investigates insect pest indexes and calculate preventive effect for after dispenser 3 days, 7 days, 15 days.Result of the test is as follows:
Table 16 Spiromesifen and active component B and the composite control cotton cotton bollworm test of pesticide effectiveness thereof
As can be seen from Table 16, after Spiromesifen and active component B are composite, can effectively prevent and treat cotton cotton bollworm, through inventor's evidence Spiromesifen and active component B, also can effectively prevent and treat cotton pink bollworm after composite, control efficiency is all higher than 95%, the preventive effect that is better than single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example ten Spiromesifens and active component B and the composite control rose thrips test of pesticide effectiveness thereof
This test arrangement is in nursery, Xi'an City, Shanxi Province, and before medicine, investigation rose thrips insect pest index, in the dispenser of insect pest initial stage of origination, investigates insect pest indexes and calculate preventive effect for after dispenser 3 days, 10 days, 20 days.Result of the test is as follows:
Table 17 Spiromesifen and active component B and the composite control rose thrips test of pesticide effectiveness thereof
As can be seen from Table 17, after Spiromesifen and active component B are composite, can effectively prevent and treat rose thrips, through inventor's evidence Spiromesifen and active component B, also can effectively prevent and treat rose flea beetle after composite, control efficiency is all higher than 95%, the preventive effect that is better than single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
After through different local throughout the country tests, draw, Spiromesifen and ether chrysanthemum ester, Biphenthrin, fenpropathrin, tefluthrin composite rear to the preventive effect of the common insects such as the trialeurodes vaporariorum in various crop, Bemisia tabaci, rice fulgorid, rice gall midge, aphid, diamond-back moth, beet armyworm, prodenia litura, apple leaf miner, leaf miner, cabbage caterpillar, cotton bollworm, pink bollworm, heart-eating worm, tea lesser leafhopper, thrips, flea beetle, two spotted spider mite all more than 95%, be better than single dose preventive effect, synergistic effect is obvious.
Claims (6)
1. the Pesticidal combination containing Spiromesifen and pyrethroid, contain 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 selected from Spiromesifen, and active component B is selected from a kind of in ether chrysanthemum ester, Biphenthrin, fenpropathrin, tefluthrin.
2. the Pesticidal combination containing Spiromesifen and pyrethroid according to claim 1, is characterized in that: the weight ratio of active components A and active component B is 1 ︰ 40 ~ 60 ︰ 1.
3. the Pesticidal combination containing Spiromesifen and pyrethroid according to claim 2, is characterized in that:
The weight ratio of Spiromesifen and ether chrysanthemum ester is 1 ︰ 25 ~ 25 ︰ 1;
The weight ratio of Spiromesifen and Biphenthrin is 1 ︰ 10 ~ 30 ︰ 1;
The weight ratio of Spiromesifen and fenpropathrin is 1 ︰ 25 ~ 25 ︰ 1;
The weight ratio of Spiromesifen and tefluthrin is 1 ︰ 10 ~ 30 ︰ 1.
4. according to the Pesticidal combination containing Spiromesifen and pyrethroid described in any one in claims 1 to 3, it is characterized in that: composition is made wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microemulsion, microcapsule suspending agent, microcapsule suspension-suspending agent.
5. the Pesticidal combination containing Spiromesifen and pyrethroid according to claim 4 is used for the purposes of preventing and treating insect on crops.
6. purposes according to claim 5, is characterized in that: described insect comprises trialeurodes vaporariorum, Bemisia tabaci, rice fulgorid, rice gall midge, aphid, diamond-back moth, beet armyworm, prodenia litura, apple leaf miner, leaf miner, cabbage caterpillar, cotton bollworm, pink bollworm, heart-eating worm, tea lesser leafhopper, thrips, flea beetle, two spotted spider mite.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105746570A (en) * | 2016-03-31 | 2016-07-13 | 太仓市璜泾华南农机作业专业合作社 | Insecticidal composition containing spirocyclic tetronic acid compound and transfluthrin |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1400864A (en) * | 2000-02-18 | 2003-03-05 | 拜尔公司 | Active substance combinations comprising insecticidal and acaricidal properties |
| US20100130561A1 (en) * | 2007-04-17 | 2010-05-27 | Bayer Cropscience Ag | Controlling pests by combining insecticides and transgenic plants by applying directly to leaves and roots |
| CN101801196A (en) * | 2007-09-21 | 2010-08-11 | 拜尔农作物科学股份公司 | Active ingredient combinations having insecticidal and acaricidal properties |
| US20110229582A1 (en) * | 2010-01-22 | 2011-09-22 | Bayer Cropscience Ag | Acaricidal and/or insecticidal active ingredient combinations |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1400864A (en) * | 2000-02-18 | 2003-03-05 | 拜尔公司 | Active substance combinations comprising insecticidal and acaricidal properties |
| US20100130561A1 (en) * | 2007-04-17 | 2010-05-27 | Bayer Cropscience Ag | Controlling pests by combining insecticides and transgenic plants by applying directly to leaves and roots |
| CN101801196A (en) * | 2007-09-21 | 2010-08-11 | 拜尔农作物科学股份公司 | Active ingredient combinations having insecticidal and acaricidal properties |
| US20110229582A1 (en) * | 2010-01-22 | 2011-09-22 | Bayer Cropscience Ag | Acaricidal and/or insecticidal active ingredient combinations |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105746570A (en) * | 2016-03-31 | 2016-07-13 | 太仓市璜泾华南农机作业专业合作社 | Insecticidal composition containing spirocyclic tetronic acid compound and transfluthrin |
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| CN103621548B (en) | 2015-10-28 |
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