CN103503875A - Efficient pesticide combination containing bromine benzamide - Google Patents
Efficient pesticide combination containing bromine benzamide Download PDFInfo
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- CN103503875A CN103503875A CN201210218459.XA CN201210218459A CN103503875A CN 103503875 A CN103503875 A CN 103503875A CN 201210218459 A CN201210218459 A CN 201210218459A CN 103503875 A CN103503875 A CN 103503875A
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Abstract
The invention discloses an efficient pesticide combination containing bromine benzamide. The pesticide combination contains an active ingredient A and an active ingredient B, wherein the active ingredient A is selected from the bromine benzamide, the active ingredient B is selected from any one of the following compounds: chlorfenapyr, lufenuron, pyriproxyfen, metaflumizone and pyridalyl, and the weight ratio of the active ingredient A to the active ingredient B is 1:80-60:1. The combination has a synergistic effect on various pest mites damaging the agricultural production, the dosage of pesticides is reduced, the residual quantity of the pesticides on crops is reduced, and the environmental pollution is alleviated. The combination is safe for people and livestock and has good environmental compatibility, and the pest mites do not easily have drug resistance.
Description
Technical field
The invention belongs to technical field of pesticide, the application of the highly effective pesticide composition that relates to a kind of brominated worm benzamide on crop pests.
Background technology
Capillary (chlorfenapyr) chemical name: 4-bromo-2-(4-chlorphenyl)-1-(ethoxyl methyl)-5-(trifluoromethyl) pyrroles-3-nitrile, molecular formula: C
15h
11brClF
3n
2o.Capillary is new pyrrole compounds, acts on the mitochondria of insect bodies inner cell, by the mixed-functional oxidase in insect bodies, works, and mainly suppresses adenosine diphosphate (ADP) to the conversion of adenosine triphosphate (ATP).And adenosine triphosphate storage cell maintains the necessary energy of its vital functions.This medical instrument has stomach toxicity and action of contace poison.On blade face, permeability is strong, has certain systemic action, and has the advantages that insecticidal spectrum is wide, preventive effect is high, holding effect is long, safe.
Lufenuron (lufenuron) chemical name: N-[[[2, the chloro-4-(1 of 5-bis-, 1,2,3,3,3-hexafluoro the third oxygen) phenyl] amino] carboxyl]-2,6-difluorobenzamide, molecular formula: C
17h
8c
12f
8n
2o
3.Lufenuron is latest generation substituted urea class insecticide.Medicament, by acting on insect larvae, stoping decortication process to kill off the insect pests, especially has outstanding preventive effect to food leaf caterpillars such as fruit trees; There is unique mechanism of killing, be suitable for control pyrethroid and organophosphorous pesticide are produced to resistant insect.The lasting period of medicament is long, is conducive to reduce laxative number of times.
Nylar (pyriproxyfen) chemical name: 4-Phenoxyphenyl (RS)-2-(2-pyridine radicals oxygen) propyl ether.Nylar is a kind of chitin synthesis inhibitor of juvenile hormone type, has strong ovicidal action.Nylar also has interior absorption transfer activity, can affect the larva being hidden in after blade back.The inhibitory action of insect is shown to affecting insect changes in quality and breed.To the toxicological test performance of prodenia litura, Nylar retains hemolymph middle and high concentration, accelerates the secretion of insect prothoracotropic hormone; On the other hand, because Nylar can make insect, lack the required stimulus of laying eggs, suppress the hatching of embryonic development and ovum, or generate and there is no the ovum of viability, thereby effectively control and reach the object of control of insect.
Metaflumizone (metaflumizone) chemical name: (E+Z)-2-[2-(4-cyano group benzene)-1-(3-trifluoromethylbenzene) ethylidene]-N-(4-trifluomethoxybenzene) hydrazine carbonyl oxamides, molecular formula: C
24h
16f
6n
4o
2.Metaflumizone is a kind of insecticide of brand-new mechanism of action, by being attached on the acceptor of sodium-ion channel, hinders sodium ion current, with the compound of chrysanthemum ester class or other kinds without cross resistance.This medicine is mainly by insect, to take food to enter in its body, stomach toxicity to occur and kill off the insect pests, and action of contace poison is less, without systemic action.This medicine has good control efficiency for target pest, the larva in each length of time, after insect's food-taking, this medicine enters polypide, by the sodium-ion channel on unique mechanism of action blocking-up insect neuron axon film, make sodium ion can not pass through axolemma, and then inhibition nerve impulse makes excessive the loosening of polypide, paralysis, after several hours, insect stops taking food.
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 bromine worm benzamide and capillary, lufenuron, Nylar, metaflumizone, pyridalyl, can produce good synergistic effect, and not yet open about the composite relevant report of bromine worm benzamide and capillary, lufenuron, Nylar, metaflumizone, pyridalyl.
Summary of the invention
The highly effective pesticide composition of a kind of brominated worm benzamide that the object of the invention is to propose to there is synergistic function, use cost is low, preventive effect is good.
A kind of highly effective pesticide composition of brominated worm benzamide, contain 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 ~ 60 ︰ 1, described active components A is selected from bromine worm benzamide, active component B is selected from a kind of in capillary, lufenuron, Nylar, metaflumizone, pyridalyl, and active components A and the preferred weight ratio of active component B are 1 ︰ 60 ~ 40 ︰ 1; More preferably the weight ratio of bromine worm benzamide and capillary is 1 ︰ 30 ~ 10 ︰ 1, the weight ratio of bromine worm benzamide and lufenuron is 1 ︰ 15 ~ 10 ︰ 1, the weight ratio of bromine worm benzamide and Nylar is 1 ︰ 20 ~ 5 ︰ 1, the weight ratio of bromine worm benzamide and metaflumizone is 1 ︰ 40 ~ 5 ︰ 1, and the weight ratio of bromine worm benzamide and pyridalyl is 1 ︰ 20 ~ 5 ︰ 1; The weight ratio that most preferably is bromine worm benzamide and capillary is 1 ︰ 20 ~ 5 ︰ 1, the weight ratio of bromine worm benzamide and lufenuron is 1 ︰ 10 ~ 5 ︰ 1, the weight ratio of bromine worm benzamide and Nylar is 1 ︰ 10 ~ 1 ︰ 1, the weight ratio of bromine worm benzamide and metaflumizone is 1 ︰ 20 ~ 1 ︰ 1, and the weight ratio of bromine worm benzamide and pyridalyl is 1 ︰ 15 ~ 2 ︰ 1.
The highly effective pesticide composition of described brominated worm benzamide is for preventing and treating the application of crop pests, and 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 diamond-back moth, cabbage caterpillar, beet armyworm, prodenia litura, golden Autographa spp, leaf miner, aphid, liriomyza bryoniae, thrips, trialeurodes vaporariorum, cotton bollworm, scale insect, pear sucker, rice leaf roller, striped rice borer, paddy stem borer, cutworm, stem tuber moth.
The weight ratio of active components A, active component B is 1 ︰ 80 ~ 60 ︰ 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.
The selected surfactant of 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, in preparation, can also contain disintegrant known in those skilled in the art, antifreeze etc.
Pesticidal combination 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 etc.
Pesticidal combination of the present invention, can be processed into acceptable formulation on any agricultural chemicals on demand, and wherein more excellent formulation is: wetting powder, water dispersible granules, suspending agent, aqueous emulsion, microemulsion, suspension emulsion, microcapsule suspending agent, microcapsule suspension-suspending agent.
When making wetting powder, composition comprises following constituent content: active components A 0.5% ~ 60%, active component B0.5% ~ 80%, dispersant 2% ~ 10%, wetting agent 2% ~ 10%, filler surplus.
When making water dispersible granules, composition comprises following constituent content: active components A 0.5% ~ 60%, active component B 0.5% ~ 80%, 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 B 0.5% ~ 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 aqueous emulsion, composition comprises following constituent content: active components A 0.5% ~ 50%, active component B 0.5% ~ 50%, solvent 1% ~ 30%, emulsifier 1% ~ 15%, antifreeze 0 ~ 8%, thickener 0 ~ 2%, defoamer 0.01% ~ 2%, deionized water add to 100%.
When making microemulsion, composition comprises following constituent content: active components A 0.5% ~ 50%, active component B 0.5% ~ 50%, solvent 1% ~ 30%, emulsifier 3% ~ 25%, antifreeze 0 ~ 8%, defoamer 0.01% ~ 2%, stabilizing agent 0 ~ 4%, deionized water adds to 100%.
When making suspension emulsion, composition comprises following constituent content: active components A 0.5% ~ 50%, active component B 0.5% ~ 50%, dispersant 2% ~ 10%, defoamer 0.01% ~ 2%, solvent 1% ~ 15%, thickener 0 ~ 2%, emulsifier 2% ~ 12%, antifreeze 0 ~ 8%, stabilizing agent 0 ~ 3%, deionized water add to 100%.
When making microcapsule suspending agent, composition comprises following constituent content: active components A 0.5% ~ 50%, active component B 0.5% ~ 50%, macromolecule cyst material 2% ~ 10%, dispersant 1% ~ 10%, solvent 1% ~ 10%, emulsifier 1% ~ 7%, defoamer 0.01% ~ 2%, 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 B 0.5% ~ 50%, macromolecule cyst material 2% ~ 12%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, 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:
Aqueous emulsion the key technical indexes of the present invention:
Microemulsion the key technical indexes of the present invention:
Suspension 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) bromine worm benzamide and capillary, lufenuron, Nylar, metaflumizone, pyridalyl composite after, there is obvious synergy and lasting effect, (2) to 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, diamond-back moth on green manure pasture crop, cabbage caterpillar, beet armyworm, prodenia litura, gold Autographa spp, leaf miner, aphid, liriomyza bryoniae, thrips, trialeurodes vaporariorum, cotton bollworm, scale insect, pear sucker, rice leaf roller, striped rice borer, paddy stem borer, cutworm, stem tuber moth etc. all has 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 the enhancing of preparation adhesion strength, 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 ~ 15 wetting powder
Bromine worm benzamide, 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 1,2,3.
Table 1 example 1 ~ 5 component and content
Table 2 example 6 ~ 10 components and content
Table 3 example 11 ~ 15 components and content
Example 16 ~ 30 water dispersible granules
Bromine worm benzamide, 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 4,5,6.
Table 4 example 16 ~ 20 components and content
Table 5 example 21 ~ 25 components and content
Table 6 example 26 ~ 30 components and content
Example 31 ~ 45 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 bromine worm benzamide, 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 7,8,9.
Table 7 example 31 ~ 35 components and content
Table 8 example 36 ~ 40 components and content
Table 9 example 41 ~ 45 components and content
Example 46 ~ 50 aqueous emulsions
Bromine worm benzamide, 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 10.
Table 10 example 46 ~ 50 components and content
Example 51 ~ 55 microemulsions
Bromine worm benzamide, 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 11.
Table 11 example 51 ~ 55 components and content
Example 56 ~ 60 suspension emulsions
Dispersant, defoamer, thickener (can add and can not add), antifreeze (can add and can not add), process high speed shear are mixed, add bromine worm benzamide, in ball mill, ball milling is 2 ~ 3 hours, make diameter of particle all below 5 μ m, make bromine worm benzamide suspending agent, then by active ingredient B, emulsifier, solvent and various auxiliary agent with the direct emulsification of high speed agitator in suspending agent, make suspension emulsion product of the present invention.Specifically in Table 12.
Table 12 example 56 ~ 60 components and content
Capillary, lufenuron, Nylar, metaflumizone, pyridalyl in table 1 ~ 12 are exchanged and can make novel formulation.
Example 61 ~ 63 microcapsule suspending agents
By bromine worm benzamide, active component B, macromolecule cyst material, solvent, 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, defoamer, dispersant, surplus is supplied by deionized water, and bi-material reacts at oil-water interfaces, forms macromolecule cyst wall, make the finely disseminated microcapsule suspending agent product of the present composition, specifically in Table 13.
Table 13 example 61 ~ 63 components and content
Example 64 ~ 66 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.Defoamer, thickener (can add and can not add) are mixed through high speed shear, add bromine worm benzamide, 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 14.
Table 14 embodiment 64 ~ 66 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, calculate co-toxicity coefficient CTC.Computing formula following (take bromine worm benzamide as standard medicament, its toxicity index is 100):
TI * the P of theoretical toxicity index (TTI)=bromine worm benzamide of M
bromine worm benzamidetI * P of+effective active composition B
effective active composition B
In formula: the mixture that M is different proportionings
P
effective active composition Bfor effective active composition B shared ratio in composition
P
bromine worm benzamidefor bromine worm benzamide shared ratio in composition
B is selected from a kind of in capillary, lufenuron, Nylar, metaflumizone, pyridalyl.
Application Example two:
For trying insect: Laphygma exigua Hubner
Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd.
Experimental scheme: effective lethal concentration scope of determining bromine worm benzamide and the former medicine of capillary and the two different proportioning mixture through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to Laphygma exigua Hubner of table 15 bromine worm benzamide and capillary
As shown in Table 15, bromine worm benzamide and capillary to Laphygma exigua Hubner proportioning when 1 ︰ 80 ~ 60 ︰ 1, co-toxicity coefficient is all greater than 120, illustrate that both are mixed and all show synergistic effect in 1 ︰ 80 ~ 60 ︰ 1 scopes, when the proportioning of bromine worm benzamide and capillary is during at 1 ︰ 30 ~ 10 ︰ 1, synergistic effect is more obviously outstanding.Through applicant, test and find that the more excellent proportioning of bromine worm benzamide and capillary is 1:30,1:25,1:20,1:15,1:10,1:9,1:8,1:7,1:6,1:5,1:4,1:3,1:2,1:1,2:1,3:1,4:1,5:1,6:1,7:1,8:1,9:1,10:1, wherein when bromine worm benzamide and capillary weight ratio are 1:3, co-toxicity coefficient is maximum, and synergistic effect is the most outstanding.
Application Example three
For trying insect: phyllocnistis citrella stainton
Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd.
Experimental scheme: effective lethal concentration scope of determining bromine worm benzamide and the former medicine of lufenuron and the two different proportioning mixture through preliminary experiment.
The composite toxicity test analysis of results table to phyllocnistis citrella stainton of table 16 bromine worm benzamide and lufenuron
As shown in Table 16, bromine worm benzamide and lufenuron to phyllocnistis citrella stainton proportioning when 1 ︰ 80 ~ 60 ︰ 1, co-toxicity coefficient is all greater than 120, illustrate that both are mixed and all show synergistic effect in 1 ︰ 80 ~ 60 ︰ 1 scopes, when the proportioning of bromine worm benzamide and lufenuron is during at 1 ︰ 15 ~ 10 ︰ 1, synergistic effect is more obviously outstanding.Through applicant, test and find that the more excellent proportioning of bromine worm benzamide and lufenuron is 1:15,1:10,1:9,1:8,1:7,1:6,1:5,1:4,1:3,1:2,1:1,2:1,3:1,4:1,5:1,6:1,7:1,8:1,9:1,10:1, wherein when bromine worm benzamide and lufenuron weight ratio are 2:3, co-toxicity coefficient is maximum, and synergistic effect is the most outstanding.
Application Example four
For trying insect: tomato Bemisia tabaci
Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd.
Experimental scheme: effective lethal concentration scope of determining bromine worm benzamide and the former medicine of Nylar and the two different proportioning mixture through preliminary experiment
Table 17 bromine worm benzamide and the pyriproxyfen compound toxicity test analysis of results table to tomato Bemisia tabaci
As shown in Table 17, bromine worm benzamide and Nylar to tomato Bemisia tabaci proportioning when 1 ︰ 80 ~ 60 ︰ 1, co-toxicity coefficient is all greater than 120, illustrate that both are mixed and all show synergistic effect in 1 ︰ 80 ~ 60 ︰ 1 scopes, when the proportioning of bromine worm benzamide and Nylar is during at 1 ︰ 20 ~ 5 ︰ 1, synergistic effect is more obviously outstanding.Through applicant, test and find that the more excellent proportioning of bromine worm benzamide and Nylar is 1:20,1:15,1:10,1:9,1:8,1:7,1:6,1:5,1:4,1:3,1:2,1:1,2:1,3:1,4:1,5:1, wherein when bromine worm benzamide and Nylar weight ratio are 1:4, co-toxicity coefficient is maximum, and synergistic effect is the most obvious.
Application Example five
For trying insect: paddy rice rice leaf roller
Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd.
Experimental scheme: effective lethal concentration scope of determining bromine worm benzamide and the former medicine of metaflumizone and the two different proportioning mixture through preliminary experiment
The composite toxicity test analysis of results table to paddy rice rice leaf roller of table 18 bromine worm benzamide and metaflumizone
As shown in Table 18, bromine worm benzamide and metaflumizone to paddy rice rice leaf roller proportioning when 1:80 ~ 60:1, co-toxicity coefficient is all greater than 120, illustrating that both are mixed within the scope of 1:80 ~ 60:1 all shows synergistic effect, when the proportioning of bromine worm benzamide and metaflumizone is during at 1:40 ~ 5:1, synergistic effect is more obviously outstanding.Through applicant, test and find that the more excellent proportioning of bromine worm benzamide and metaflumizone is 1:40,1:35,1:30,1:25,1:20,1:15,1:10,1:9,1:8,1:7,1:6,1:5,1:4,1:3,1:2,1:1,2:1,3:1,4:1,5:1, wherein when bromine worm benzamide and metaflumizone weight ratio are 1:10, co-toxicity coefficient is maximum, and synergistic effect is the most obvious.
Application Example six
For trying insect: Chinese cabbage diamond-back moth
Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd.
Experimental scheme: effective lethal concentration scope of determining bromine worm benzamide and the former medicine of pyridalyl and the two different proportioning mixture through preliminary experiment
The composite toxicity test analysis of results table to Chinese cabbage diamond-back moth of table 19 bromine worm benzamide and pyridalyl
As shown in Table 19, bromine worm benzamide and pyridalyl to Chinese cabbage diamond-back moth proportioning when 1:80 ~ 60:1, co-toxicity coefficient is all greater than 120, illustrating that both are mixed within the scope of 1:80 ~ 60:1 all shows synergistic effect, when the proportioning of bromine worm benzamide and pyridalyl is during at 1:20 ~ 5:1, synergistic effect is more obviously outstanding.Through applicant, test and find that the more excellent proportioning of bromine worm benzamide and pyridalyl is 1:20,1:15,1:10,1:9,1:8,1:7,1:6,1:5,1:4,1:3,1:2,1:1,2:1,3:1,4:1,5:1, wherein when bromine worm benzamide and pyridalyl weight ratio are 1:5, co-toxicity coefficient is maximum, and synergistic effect is the most obvious.
Through test, find: after bromine worm benzamide and active component B are composite, the control of diamond-back moth in various crop, cabbage caterpillar, beet armyworm, prodenia litura, golden Autographa spp, leaf miner, aphid, liriomyza bryoniae, thrips, trialeurodes vaporariorum, cotton bollworm, scale insect, pear sucker, rice leaf roller, striped rice borer, paddy stem borer, cutworm, stem tuber moth is had to obvious synergistic effect, co-toxicity coefficient is all more than 120.
Effect experiment part test medicament is researched and developed, is provided by Shaanxi Mei Bang agricultural chemicals Co., Ltd, contrast medicament 10% bromine worm benzamide suspending agent (autogamy), 240g/L capillary suspending agent (commercial), 50g/L lufenuron suspension agent (commercial), 100g/L Nylar missible oil (commercial), 22% metaflumizone suspending agent (commercial), 20% pyridalyl suspending agent (autogamy).
Application Example seven bromine worm benzamides 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, 5 days, 15 days.Result of the test is as follows:
Table 20 bromine worm benzamide and active component B and the composite control cabbage pieris test of pesticide effectiveness thereof
As can be seen from Table 20, after bromine worm benzamide and active component B are composite, can effectively prevent and treat cabbage pieris, control efficiency is all 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 bromine worm benzamides 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, 5 days, 15 days.Result of the test is as follows:
Table 21 bromine worm benzamide and active component B and the composite control cotton cotton bollworm test of pesticide effectiveness thereof
As can be seen from Table 21, after bromine worm benzamide and active component B are composite, can effectively prevent and treat cotton cotton bollworm, control efficiency is all 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 nine bromine worm benzamides and active component B and the composite control tea tree tea lesser leafhopper test of pesticide effectiveness thereof
This test arrangement is in Ya'an, Sichuan Province, and before medicine, investigation tea tree tea lesser leafhopper 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, 5 days, 15 days.Result of the test is as follows:
Table 22 bromine worm benzamide and active component B and the composite control tea tree tea lesser leafhopper test of pesticide effectiveness thereof
As can be seen from Table 22, after bromine worm benzamide and active component B are composite, can effectively prevent and treat tea tree tea lesser leafhopper, control efficiency is all 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 ten bromine worm benzamides and active component B and the composite control rice leaf roller test of pesticide effectiveness thereof
This test arrangement is at Shaanxi Province's Hanzhong City, and investigation rice leaf roller 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, 5 days, 15 days.Result of the test is as follows:
Table 23 bromine worm benzamide and active component B and the composite control rice leaf roller test of pesticide effectiveness thereof
As can be seen from Table 23, after bromine worm benzamide and active component B are composite, can effectively prevent and treat rice leaf roller, control efficiency is all 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 ten monobromo worm benzamides and active component B and the composite control brassicaceous vegetable beet armyworm test of pesticide effectiveness thereof
This test arrangement is at Xian District, Shanxi Province suburban area, and before medicine, investigation brassicaceous vegetable beet armyworm 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, 5 days, 15 days.Result of the test is as follows:
Table 24 bromine worm benzamide and active component B and the composite control brassicaceous vegetable beet armyworm test of pesticide effectiveness thereof
As can be seen from Table 24, after bromine worm benzamide and active component B are composite, can effectively prevent and treat brassicaceous vegetable beet armyworm, control efficiency is all 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 ten dibromo worm benzamides and active component B and the composite control rice-stem borer test of pesticide effectiveness thereof
This test arrangement is at Shaanxi Province's Hanzhong City, and investigation rice-stem borer 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, 5 days, 15 days.Result of the test is as follows:
Table 25 bromine worm benzamide and active component B and the composite control rice-stem borer test of pesticide effectiveness thereof
As can be seen from Table 25, after bromine worm benzamide and active component B are composite, can effectively prevent and treat rice-stem borer, control efficiency is all 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 through different local throughout the country tests, draw, bromine worm benzamide and capillary, lufenuron, Nylar, metaflumizone, pyridalyl composite rear to the preventive effect of the common insects such as the diamond-back moth in various crop, cabbage caterpillar, beet armyworm, prodenia litura, golden Autographa spp, leaf miner, aphid, liriomyza bryoniae, thrips, trialeurodes vaporariorum, cotton bollworm, scale insect, pear sucker, rice leaf roller, striped rice borer, paddy stem borer, cutworm, stem tuber moth all more than 95%, be better than single dose preventive effect, synergistic effect is obvious.
Claims (6)
1. the highly effective pesticide composition of a brominated worm benzamide, contain 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 ~ 60 ︰ 1, described active components A is selected from bromine worm benzamide, and active component B is selected from a kind of in capillary, lufenuron, Nylar, metaflumizone, pyridalyl.
2. the highly effective pesticide composition of brominated worm benzamide according to claim 1, is characterized in that: the weight ratio of active components A and active component B is 1 ︰ 60 ~ 40 ︰ 1.
3. the highly effective pesticide composition of brominated worm benzamide according to claim 2, is characterized in that:
Bromine worm benzamide and capillary weight ratio be 1 ︰ 30 ~ 10 ︰ 1;
Bromine worm benzamide and lufenuron weight ratio be 1 ︰ 15 ~ 10 ︰ 1;
The weight ratio of bromine worm benzamide and Nylar is 1 ︰ 20 ~ 5 ︰ 1;
Bromine worm benzamide and metaflumizone weight ratio are 1 ︰ 40 ~ 5 ︰ 1;
Bromine worm benzamide and pyridalyl weight ratio are 1 ︰ 20 ~ 5 ︰ 1.
4. according to the highly effective pesticide composition of the brominated worm benzamide described in any one in claims 1 to 3, it is characterized in that: composition is made wetting powder, water dispersible granules, suspending agent, aqueous emulsion, microemulsion, suspension emulsion, micro-capsule suspension, microcapsule suspension-suspending agent.
5. the highly effective pesticide composition of brominated worm benzamide 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 diamond-back moth, cabbage caterpillar, beet armyworm, prodenia litura, golden Autographa spp, leaf miner, aphid, liriomyza bryoniae, thrips, trialeurodes vaporariorum, cotton bollworm, scale insect, pear sucker, rice leaf roller, striped rice borer, paddy stem borer, cutworm, stem tuber moth.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109845745A (en) * | 2019-01-19 | 2019-06-07 | 海利尔药业集团股份有限公司 | A kind of composition containing fluorine chlorine worm bisamide and process for preparation of benzoylurea compounds |
| CN110199995A (en) * | 2019-06-19 | 2019-09-06 | 江西正邦作物保护有限公司 | A kind of composition pesticide containing bromine worm fluorobenzene bisamide |
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