CN103828823A - Pesticide composition - Google Patents
Pesticide composition Download PDFInfo
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- CN103828823A CN103828823A CN201410067490.7A CN201410067490A CN103828823A CN 103828823 A CN103828823 A CN 103828823A CN 201410067490 A CN201410067490 A CN 201410067490A CN 103828823 A CN103828823 A CN 103828823A
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- mite
- spiral shell
- ethyl ester
- shell worm
- worm ethyl
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Abstract
The invention discloses a pesticide composition containing spirotetramat and etoxazole. The weight ratio of spirotetramat to etoxazole is 1:70-70:1. The pesticide composition can be used for preventing and controlling injurious insects, has remarkable synergism, expands the insecticidal spectrum, reduces pesticide using amount, reduces pesticide residual quantity on crops and alleviates environment pollution.
Description
Technical field
The invention belongs to technical field of pesticide, relate to the application of a kind of composition pesticide on crop pest.
Technical background
Spiral shell worm ethyl ester (Spirotetramat), chemical name: 4-(ethoxy carbonyl oxygen base)-8-methoxyl group-3-(2,5-xylyl)-1-azaspiro [4,5]-last of the ten Heavenly stems-3-alkene-2-ketone, molecular formula: C
21h
27nO
5, spiral shell worm ethyl ester has unique function Characteristics, is the existing insecticide of rare two-way interior suction conductive performance so far, and insecticidal spectrum is wide, and the lasting period is long, and the effective control that reaches 8 weeks can be provided.It is to cause larva death by the fatty biosynthesis of interference insect, reduces the fertility of adult.Due to its unique mechanism of action, can effectively prevent and treat the insect that existing insecticide is produced to resistance, can be used as the important kind of nicotinic insecticide resistance management simultaneously.
Second mite azoles (etoxazole), chemical molecular formula: C
21h
23f
2nO
2.Second mite azoles belongs to 2,4-diphenyl-oxazole derivatives quasi-compound, is a kind of selectivity miticide.Be mainly the process of casting off a skin that suppresses mite class, thereby mite is had to excellent tagging property from ovum, larva to pupa different phase.But not fine to the control efficiency of adult.The mite class that Hexythiazox has been produced to resistance has good control efficiency.
But in the real process of agricultural production, the problem that control evil mite the most easily produces is the drug-fast generation of evil mite.Different cultivars composition carries out composite, is to prevent and treat the very common method of resistance evil mite.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 have a synergistic effect composite seldom, especially synergistic effect very obviously, co-toxicity coefficient very high composite just still less.Through inventor's research, find after spiral shell worm ethyl ester and pyridaben, propargite, Bifenazate, second mite azoles is composite to produce good synergistic effect, and not yet open about the composite relevant report of spiral shell worm ethyl ester and pyridaben, propargite, Bifenazate, second mite azoles.
Summary of the invention
The object of the invention is to propose a kind of have synergistic function, use cost is low, preventive effect is good composition pesticide.
A kind of composition pesticide, active component is spiral shell worm ethyl ester and second mite azoles, spiral shell worm ethyl ester and second mite azoles weight ratio are 1 ︰ 70～70 ︰ 1; Spiral shell worm ethyl ester and the preferred weight ratio of second mite azoles are 1 ︰ 50～50 ︰ 1; More preferably the weight ratio of spiral shell worm ethyl ester and second mite azoles is 1 ︰ 10～20 ︰ 1; The weight ratio that most preferably is spiral shell worm ethyl ester and second mite azoles is 1 ︰ 4～8 ︰ 1.
Composition pesticide of the present invention can be processed into acceptable formulation on any agricultural chemicals on demand, and wherein preferred dosage form is wetting powder, water dispersible granules, suspending agent, suspension emulsion, microemulsion, aqueous emulsion.
Described composition pesticide is for preventing and treating the application of crops evil mite, and described crops comprise cereal crops, legume crop, oil crop, fiber crop, sugar [yielding, melon crop, fruits crop, dry fruit crop, hobby crop, root crop, flowers crop, medicinal crop, raw material crop, green manure pasture crop; Described harmful mite comprises two spotted spider mite, Panonychus citri, tetranychus viennensis, Tetranychus urticae, yellow spider, knurl tick, blister mite, refreshing Ze Shi tetranychid, Tetranychus cinnabarinus, tealeaves mite, tomato goitre mite, rust mite, cotton spider mites, tetranychus telarius, aleyrodid, scale insect.
The amount of application when content of active component depends on independent use in the present composition, also depends on mixed ratio and the synergistic effect degree of a kind of compound and another kind of compound, and also to do harm to mite relevant with target simultaneously.Conventionally in composition, the weight percentage of active component is gross weight 2%～90%, is preferably 5%～80%.According to different preparation types, active component content scope is different.Conventionally, liquid preparation contains 1%～60% active substance by weight, is preferably 5%～50%; Solid pharmaceutical preparation contains 5%～80% active substance by weight, is preferably 10%～80%.
In miticide composition 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 2%～30% of total formulation weight amount, and surplus is solid or liquid diluent.
Miticide composition of the present invention can be by user before use through dilution or directly use.Its preparation can be prepared by processing method known in those skilled in the art, after mixing, then adds surfactant as one or more in dispersant, wetting agent, binding agent, defoamer etc. by active component with liquid flux or solid carrier.According to different dosage form, in preparation, can also contain stabilizing agent known in those skilled in the art, antifreeze etc.
When making wetting powder, composition comprises following component and content: spiral shell worm ethyl ester 1%～70%, second mite azoles 1%～70%, dispersant 1%～12%, wetting agent 1%～8%, filler surplus.
When making water dispersible granules, composition comprises following component and content: spiral shell worm ethyl ester 1%～70%, second mite azoles 1%～70%, dispersant 1%～12%, wetting agent 1%～8%, disintegrant 1%～10%, binding agent 0～8%, filler surplus.
When making suspending agent, composition comprises following component and content: spiral shell worm ethyl ester 1%～50%, second mite azoles 1%～50%, dispersant 1%～10%, wetting agent 1%～10%, defoamer 0.01%～2%, thickener 0～2%, antifreeze 0～8%, deionized water add to 100%.
When making suspension emulsion, composition comprises following component and content: spiral shell worm ethyl ester 1%～50%, second mite azoles 1%～50%, emulsifier 1%～10%, dispersant 1%～10%, solvent 0～20%, defoamer 0.01%～2%, thickener 0～2%, antifreeze 0～8%, deionized water add to 100%.
When making microemulsion, composition comprises following component and content: spiral shell worm ethyl ester 1%～50%, second mite azoles 1%～50%, emulsifier 3%～25%, solvent 1%～20%, antifreeze 0～8%, defoamer 0.01%～2%, deionized water add to 100%.
When making aqueous emulsion, composition comprises following component and content: spiral shell worm ethyl ester 1%～50%, second mite azoles 1%～50%, solvent 1%～20%, emulsifier 1%～12%, antifreeze 0～8%, defoamer 0.01%～2%, thickener 0～2%, deionized water add to 100%.
Wetting powder the key technical indexes of the present invention:
Suspension emulsion the key technical indexes of the present invention:
The invention has the advantages that:
(1) present composition has good synergy and lasting effect within the specific limits, and preventive effect is higher than single dose, thereby minimizing agricultural chemicals dosage, in reducing peasant's drug cost, reduces the residual quantity of agricultural chemicals on crop, alleviates environmental pollution; (2) between kind, structure differs larger, thereby can delay the resistance generation and development of single dose; (3) expanded and killed mite spectrum, two spotted spider mite, Panonychus citri, tetranychus viennensis, Tetranychus urticae, yellow spider, knurl tick, blister mite, refreshing Ze Shi tetranychid, Tetranychus cinnabarinus, tealeaves mite, tomato goitre mite, rust mite, cotton spider mites, tetranychus telarius, aleyrodid, scale insect on cereal crops, legume crop, oil crop, fiber crop, sugar [yielding, melon crop, fruits crop, dry fruit crop, hobby crop, root crop, flowers crop, medicinal crop, raw material crop, green manure pasture crop have been had to greater activity; (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
Embodiment 1～4 wetting powder
Spiral shell worm ethyl ester, second mite azoles, dispersant, wetting agent, filler are mixed, in mixed cylinder, mix, after airslide disintegrating mill is pulverized, mix again, can be made into wetting powder product of the present invention.Specifically in table 1.
The each component of table 1 embodiment 1～4 and content
Embodiment 5～8 water dispersible granules
The particle diameter that spiral shell worm ethyl ester, second mite azoles, dispersant, wetting agent, binding agent (can add and can not add), disintegrant, filler is obtained together to needs through air-flow crushing, obtains the materials of granulating.By item quantitatively send in fluidized bed granulation dryer through granulation and dry after, make water dispersible granules product of the present invention.Specifically in table 2.
The each component of table 2 embodiment 5～8 and content
Embodiment 9～12 suspending agents
Dispersant, wetting agent, defoamer, thickener (can add and can not add), antifreeze (can add and can not add) are mixed through high speed shear, add spiral shell worm ethyl ester, second mite azoles, surplus is supplied by deionized water, ball milling 2～3 hours in ball mill, make diameter of particle all below 5 μ m, make suspending agent product of the present invention.Specifically in table 3.
The each component of table 3 embodiment 31～44 and content
Embodiment 13～15 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 spiral shell worm ethyl ester, ball milling 2～3 hours in ball mill, make diameter of particle all below 5 μ m, make spiral shell worm ethyl ester suspending agent, then by second mite azoles, solvent (can add and can not add), emulsifier and the direct emulsification of various auxiliary agent high speed agitator in suspending agent, make suspension emulsion product of the present invention.Specifically in table 4.
The each component of table 4 embodiment 13～15 and content
Embodiment 16～18 aqueous emulsions
Spiral shell worm ethyl ester, second mite azoles, 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, make aqueous emulsion product of the present invention.Specifically in table 5,6.
The each component of table 6 embodiment 16～18 and content
Embodiment 19～20 microemulsions
Spiral shell worm ethyl ester, second mite azoles 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 7.
The each component of table 7 embodiment 19～20 and content
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 when test, is placed in respectively beaker for subsequent use.Adopt and first soak the method that connects mite 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 and support mite box, then connect for the young mite of examination, under 25 DEG C of conditions, raise, every processing repeats for 3 times, every to repeat examination mite number used be 50, establishes blank simultaneously, checks dead mite number in 72h, 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:
Evil mite corrected mortality is converted into probit value (y), and concentration for the treatment of (μ g/ml) converts logarithm value to (x), draws virulence regression equation with method of least squares, and calculates thus the value of every kind of medicament.Calculate co-toxicity coefficient CTC according to the abundant equation of Sun Yun.Computing formula following (taking spiral shell worm ethyl ester as standard medicament, its toxicity index is 100):
In formula: the mixture that M is different proportionings
P
second mite azolesfor second mite azoles shared ratio in composition
P
spiral shell worm ethyl esterfor spiral shell worm ethyl ester shared ratio in composition
B is selected from second mite azoles.
Application Example two:
For trying evil mite: citrus red mite.
Test medicine provides by Shaanxi Andreap Biochemistry Ltd..
Experimental scheme: effective lethal concentration scope of determining spiral shell worm ethyl ester and the former medicine of second mite azoles and the two different proportioning mixture through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to citrus red mite of table 8 spiral shell worm ethyl ester and second mite azoles
As shown in Table 8, the proportioning of the composite control of spiral shell worm ethyl ester and second mite azoles citrus red mite is in the time of 1 ︰ 70～70 ︰ 1, co-toxicity coefficient is all greater than 120, illustrate that both all show synergistic effect at mixture in 1 ︰ 70～70 ︰ 1 scopes, when the proportioning of spiral shell worm ethyl ester and second mite azoles is during at 1 ︰ 10～20 ︰ 1, synergistic effect is more outstanding, and co-toxicity coefficient is all greater than 220, wherein co-toxicity coefficient maximum in the time that spiral shell worm ethyl ester and second mite azoles weight ratio are 2 ︰ 1, synergistic effect is the most obvious.Test and find that the proportioning of spiral shell worm ethyl ester and second mite azoles is 20:1 through applicant, 15:1, 10:1, 9:1, 8:1, 7:1, 6:1, 5:1, 4:1, 3:1, 2:1, 3:2, 1:1, 1:2, 1:3, 1:4, 1:5, when 1:10, spiral shell worm ethyl ester and second mite azoles are composite to two spotted spider mite, Panonychus citri, tetranychus viennensis, Tetranychus urticae, yellow spider, knurl tick, blister mite, god Ze Shi tetranychid, Tetranychus cinnabarinus, tealeaves mite, tomato goitre mite, rust mite, cotton spider mites, tetranychus telarius, aleyrodid, the control of scale insect has obvious synergistic effect, co-toxicity coefficient is all greater than 120.
Application Example three spiral shell worm ethyl esters and second mite azoles and the composite control citrus red mite test of pesticide effectiveness thereof
This experimental establishment is at Shaanxi Province's Hanzhong City, and test medicine is researched and developed, provided by Shaanxi Andreap Biochemistry Ltd., contrast medicament 240 grams per liter spiral shell worm ethyl ester suspending agents (commercial), 110 grams per liter second mite azole suspending agents (commercial).
Investigation citrus red mite damage index of spider mites before medicine, in the dispenser of mite evil initial stage of origination, investigates damage index of spider mites and calculates preventive effect for after dispenser 10 days, 30 days, 45 days.Result of the test is as follows:
Table 9 spiral shell worm ethyl ester and second mite azoles and the composite control citrus red mite test of pesticide effectiveness thereof
As can be seen from Table 9, after spiral shell worm ethyl ester and second mite azoles are composite, can effectively prevent and treat citrus red mite, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long, effect at control oranges and tangerines tetranychid, Panonychus citri, scale insect is more than 97%, in test scope of medication, target crop is had no adverse effects.
Application Example four spiral shell worm ethyl esters and second mite azoles and composite control Pesticide Effect for Apple Red Spiders thereof
This experimental establishment is in Xianyang, Shanxi province city, and test medicine is by Shaanxi Andreap Biochemistry Ltd.--and research and develop, provide, contrast medicament 240 grams per liter spiral shell worm ethyl ester suspending agents (commercial), 110 grams per liter second mite azole suspending agents.
Investigation European red mite damage index of spider mites before medicine, in the dispenser of mite evil initial stage of origination, investigates damage index of spider mites and calculates preventive effect for after dispenser 10 days, 30 days, 45 days.Result of the test is as follows:
Table 10 spiral shell worm ethyl ester and second mite azoles and composite control Pesticide Effect for Apple Red Spiders thereof
As can be seen from Table 10, after spiral shell worm ethyl ester and second mite azoles are composite, can effectively prevent and treat European red mite, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long, effect control apple Tetranychus urticae, tetranychus viennensis is more than 97%, in test scope of medication, target crop is had no adverse effects.
Application Example five spiral shell worm ethyl esters and second mite azoles and the composite control flowers two spotted spider mite test of pesticide effectiveness thereof
This experimental establishment is in Changan District, Xi'an City, Shanxi Province, and test medicine is by Shaanxi Andreap Biochemistry Ltd.--and research and develop, provide, contrast medicament 240 grams per liter spiral shell worm ethyl ester suspending agents (commercial), 110 grams per liter second mite azole suspending agents.
Investigation flowers two spotted spider mite damage index of spider mites before medicine, in the dispenser of mite evil initial stage of origination, investigates damage index of spider mites and calculates preventive effect for after dispenser 10 days, 30 days, 45 days.Result of the test is as follows:
Table 11 spiral shell worm ethyl ester and second mite azoles and the composite control flowers two spotted spider mite test of pesticide effectiveness thereof
As can be seen from Table 11, after spiral shell worm ethyl ester and second mite azoles are composite, can effectively prevent and treat flowers two spotted spider mite, 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 six spiral shell worm ethyl esters and second mite azoles and the composite control tomato Bemisia tabaci test of pesticide effectiveness thereof
This experimental establishment is in Zhouzhi County, Xi'an City, Shanxi Province, and test medicine is researched and developed, provided by Shaanxi Andreap Biochemistry Ltd.'s-----, contrast medicament 240 grams per liter spiral shell worm ethyl ester suspending agents (commercial), 110 grams per liter second mite azole suspending agents (commercial).
Before medicine, investigation tomato Bemisia tabaci insect pest index, in the dispenser of mite evil initial stage of origination, investigates insect pest indexes and calculates preventive effect for after dispenser 10 days, 30 days, 45 days.Result of the test is as follows:
Table 12 spiral shell worm ethyl ester and second mite azoles and the composite control tomato Bemisia tabaci test of pesticide effectiveness thereof
As can be seen from Table 12, after spiral shell worm ethyl ester and second mite azoles are composite, can effectively prevent and treat tomato Bemisia tabaci, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long, effect control tomato goitre mite is more than 97%, in test scope of medication, target crop is had no adverse effects.
Application Example seven spiral shell worm ethyl esters and second mite azoles and the composite control cotton red spider test of pesticide effectiveness thereof
This experimental establishment is in Weinan City Dali County, Shaanxi Province, and test medicine is researched and developed, provided by Shaanxi Andreap Biochemistry Ltd., contrast medicament 240 grams per liter spiral shell worm ethyl ester suspending agents (commercial), 110 grams per liter second mite azole suspending agents (commercial).
Investigation cotton red spider damage index of spider mites before medicine, in the dispenser of mite evil initial stage of origination, investigates damage index of spider mites and calculates preventive effect for after dispenser 10 days, 30 days, 45 days.Result of the test is as follows:
Table 13 spiral shell worm ethyl ester and second mite azoles and the composite control cotton red spider test of pesticide effectiveness thereof
As can be seen from Table 13, after spiral shell worm ethyl ester and second mite azoles are composite, can effectively prevent and treat cotton red spider, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long, effect control cotton yellow spider is more than 97%, in test scope of medication, target crop is had no adverse effects.
After draw through different local throughout the country tests, spiral shell worm ethyl ester and second mite azoles composite rear to the preventive effect of the common insect pests such as the two spotted spider mite on crops, Panonychus citri, tetranychus viennensis, Tetranychus urticae, yellow spider, knurl tick, blister mite, refreshing Ze Shi tetranychid, Tetranychus cinnabarinus, tealeaves mite, tomato goitre mite, rust mite, cotton spider mites, tetranychus telarius, aleyrodid, scale insect all more than 95%, be better than single dose preventive effect, synergistic effect is obvious.
Claims (6)
1. a composition pesticide, is characterized in that: active ingredient is spiral shell worm ethyl ester and second mite azoles, and spiral shell worm ethyl ester and second mite azoles weight ratio are 1 ︰ 70～70 ︰ 1.
2. composition pesticide according to claim 1, is characterized in that: the weight ratio of spiral shell worm ethyl ester and second mite azoles is 1 ︰ 50～50 ︰ 1.
3. composition pesticide according to claim 2, is characterized in that: the weight ratio of spiral shell worm ethyl ester and second mite azoles is 1 ︰ 10～20 ︰ 1.
4. according to the composition pesticide 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.
5. composition pesticide according to claim 4 is for preventing and treating the application of crop pests.
6. application according to claim 5, is characterized in that: described insect comprises two spotted spider mite, Panonychus citri, tetranychus viennensis, Tetranychus urticae, yellow spider, knurl tick, blister mite, refreshing Ze Shi tetranychid, Tetranychus cinnabarinus, tealeaves mite, tomato goitre mite, rust mite, cotton spider mites, tetranychus telarius, aleyrodid, scale insect.
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| CN201410067490.7A CN103828823B (en) | 2014-02-26 | 2014-02-26 | A kind of composition pesticide |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104115850A (en) * | 2014-06-12 | 2014-10-29 | 广东中迅农科股份有限公司 | Insect and mite killing composition containing etoxazole and spirotetramat |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009135613A1 (en) * | 2008-05-07 | 2009-11-12 | Bayer Cropscience Aktiengesellschaft | Synergistic active ingredient combinations |
| CN103651444A (en) * | 2013-12-12 | 2014-03-26 | 北京燕化永乐生物科技股份有限公司 | Pesticide combination |
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2014
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009135613A1 (en) * | 2008-05-07 | 2009-11-12 | Bayer Cropscience Aktiengesellschaft | Synergistic active ingredient combinations |
| CN103651444A (en) * | 2013-12-12 | 2014-03-26 | 北京燕化永乐生物科技股份有限公司 | Pesticide combination |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104115850A (en) * | 2014-06-12 | 2014-10-29 | 广东中迅农科股份有限公司 | Insect and mite killing composition containing etoxazole and spirotetramat |
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