CN104285960B - A kind of Pesticidal combination containing pyridaben and thiocyclam - Google Patents
A kind of Pesticidal combination containing pyridaben and thiocyclam Download PDFInfo
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- CN104285960B CN104285960B CN201310299007.3A CN201310299007A CN104285960B CN 104285960 B CN104285960 B CN 104285960B CN 201310299007 A CN201310299007 A CN 201310299007A CN 104285960 B CN104285960 B CN 104285960B
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Abstract
The invention discloses a kind of Pesticidal combination containing pyridaben and thiocyclam, effective active composition is pyridaben and thiocyclam, and the weight ratio of pyridaben and thiocyclam is 1 ︰, 80~80 ︰ 1.The present composition has synergistic effect to the various pests for endangering agricultural production, reduces pesticide usage amount, reduces pesticide and stay residual on crop, alleviate environmental pollution, to safety of human and livestock, Environmental compatibility is good, and pest is not likely to produce drug resistance.
Description
Technical field
The invention belongs to technical field of pesticide, and it is harmful in crops to be related to a kind of Pesticidal combination containing pyridaben and thiocyclam
Application on worm.
Background technique
Pyridaben (Pyridaben): molecular formula C19H25ClN2OS, chemical name: 2- tertiary butyl -5- (4- tertiary butyl benzyl
Chloro- 3 (H)-pyridazin-3-one of sulfenyl -4-, this agent are wide spectrum, contact acaricide, can be used for preventing and treating a variety of food vegetalitas pests.
There is good effect to entire growth period, that is, ovum of mite, young mite, deutonymph and adult mite, equally has significantly to the adult mite of mobile phase
The speed effect of killing.The medicine is not acted upon by temperature changes, and no matter early spring or autumn use, and can reach promising result.
Thiocyclam (Thiocyclam-hydrogenoxalate), molecular formula C7H13NO4S3, belong to neires toxin and kill
Worm agent has and tags and stomach poison function, also has certain interior suction and fumigation action, and can ovicidal.It is slower to the toxic effect of pest,
Poisoning less serious case can bring back to life sometimes.It disappears comparatively fast in plant, and the residual period is shorter, and residual quantity when harvest in crop is seldom.
Thiocyclam is good to Lepidoptera, coleoptera, homoptera pest effect, can be used for preventing and treating rice, corn, beet, fruit tree, on vegetables
Various pests, but it is big to the toxicity of silkworm.
However, in the real process of agricultural production, the problem of pest control most easily produces is the production of pest resistance to insecticide
It is raw.Different cultivars ingredient is compounded, and is to prevent and treat the very common method of resistant insect.Heterogeneity is compounded, according to reality
Application effect, to judge that certain compounding is synergy, adduction or antagonism.In most cases, the compounding effect of pesticide
All be additive effect, really have the compounding of synergistic effect seldom, especially synergistic effect clearly, co-toxicity coefficient it is very high multiple
With just less.It is studied by inventor, discovery will can generate good synergistic effect after pyridaben and thiocyclam compounding, and
The relevant report compounded about pyridaben and thiocyclam not yet discloses.
Summary of the invention
The purpose of the present invention is to propose to a kind of with synergistic function, use cost is low, preventive effect is good containing pyridaben and
The Pesticidal combination of thiocyclam.
Pesticidal combination effective active composition proposed by the present invention containing pyridaben and thiocyclam be pyridaben and thiocyclam,
The weight ratio of pyridaben and thiocyclam is 1 ︰, 80~80 ︰ 1, and more preferably the weight ratio of pyridaben and thiocyclam is 1 ︰, 30~10 ︰
1, the most preferably weight ratio of pyridaben and thiocyclam is 1 ︰, 19~1 ︰ 1.
Pesticidal combination proposed by the present invention containing pyridaben and thiocyclam is used to prevent and treat the purposes of pest on crops, institute
The crops stated include cereal crops, legume crop, fibre crops, sugar crop, melon crop, fruits crop, dry fruit
Crop, hobby crop, root crop, oil crops, flower crop, medicinal crop, crop, green manure pasture crop；Institute
The pest stated includes red spider, rust mite, tetranychid, planthopper, rice leaf roller, striped rice borer, flea beetle or yellow rice borer.
The weight ratio of pyridaben and thiocyclam is 1 ︰, 80~80 ︰ 1.The weight percentage of active component in usual composition
It is the 0.5%~90% of total weight, preferably 5%~80%.According to different preparation types, active component content range is not
Together.In general, liquid preparation contains by weight 1%~70% active material, preferably 5%~50%；Solid pharmaceutical preparation contain by
The active material of poidometer 5%~80%, preferably 10%~80%.
In Pesticidal combination of the invention at least contain a kind of surfactant, in favor of application when active component in water
Dispersion.Surface-active contents are the 5%~30% of total formulation weight, and surplus is solid or liquid diluent.
Surfactant selected by Pesticidal combination of the invention is known in those skilled in the art: can be selected from
One or more of dispersing agent, wetting agent, binder or defoaming agent.It can also contain according to different dosage forms, in preparation capable
Disintegrating agent well known to field technique personnel, antifreeze etc..
Pesticidal combination of the invention can used before through dilution or directly by user.Its preparation can be by usual
Processing method known in those skilled in the art preparation, i.e., after active material being mixed with liquid solvent or solid carrier,
Add one or more of surfactant such as dispersing agent, stabilizer, wetting agent, binder, defoaming agent etc..
Pesticidal combination of the invention can be processed into any dosage form pesticide-acceptable, wherein more preferably as needed
Dosage form be that wettable powder, water dispersible granules, suspending agent, suspoemulsion, aqueous emulsion, microemulsion, microcapsule suspending agent, micro-capsule are outstanding
Floating-suspending agent.
Comprising following constituent content when wettable powder is made in composition: active components A 1%~80%, thiocyclam 1%~
80%, dispersing agent 2%~10%, wetting agent 2%~10%, filler surplus.
Composition includes following constituent content when water dispersible granules are made: active components A 1%~80%, thiocyclam 1%~
80%, dispersing agent 3%~12%, wetting agent 1%~8%, disintegrating agent 1%~10%, binder 0~8%, filler surplus.
Composition includes following constituent content when suspending agent is made: active components A 0.5%~50%, thiocyclam 0.5%~
50%, dispersing agent 2%~10%, wetting agent 2%~10%, defoaming agent 0.01%~2%, thickener 0~2%, antifreeze 0~8%, go from
Sub- water adds to 100%.
Composition includes following constituent content when suspoemulsion is made: active components A 0.5%~50%, thiocyclam 0.5%~
50%, dispersing agent 2%~10%, defoaming agent 0.01%~2%, solvent 1%~15%, thickener 0~2%, emulsifier 2%~12%, freeze proof
Agent 0~8%, deionized water add to 100%.
Comprising following constituent content when aqueous emulsion is made in composition: active components A 0.5%~50%, thiocyclam 0.5%~
50%, solvent 1%~30%, emulsifier 1%~15%, antifreeze 0~8%, thickener 0~2%, defoaming agent 0.01%~2%, deionization
Water supplies surplus.
Comprising following constituent content when microemulsion is made in composition: active components A 0.5%~50%, thiocyclam 0.5%~
50%, solvent 1%~30%, emulsifier 3%~25%, antifreeze 0~8%, defoaming agent 0.01%~2%, deionized water supply surplus.
Composition includes following constituent content when microcapsule suspending agent is made: active components A 0.5%~50%, thiocyclam 0.5%
~50%, macromolecule cyst material 2%~10%, dispersing agent 1%~10%, organic solvent 1%~10%, emulsifier 1%~7%, defoaming agent
0.01%~2%, pH adjusting agent 0.01%~5%, deionized water add to 100%.
Composition includes following constituent content when microcapsule suspension-suspendinagent agent is made: active components A 0.5%~50%, thiocyclam
0.5%~50%, macromolecule cyst material 2%~10%, dispersing agent 1%~12%, wetting agent 1%~8%, organic solvent 1%~15%, cream
Agent 1%~6%, defoaming agent 0.01%~2%, thickener 0~2%, pH adjusting agent 0.01%~5%, deionized water add to 100%；
Wettable powder the key technical indexes of the invention:
Water dispersible granules the key technical indexes of the invention:
Suspending agent the key technical indexes of the invention:
Suspoemulsion the key technical indexes of the invention:
Aqueous emulsion the key technical indexes of the invention:
Microemulsion the key technical indexes of the invention:
Microcapsule suspending agent the key technical indexes of the invention:
Microcapsule suspension-suspendinagent agent the key technical indexes of the invention:
The present invention has the advantages that
(1) after pyridaben and thiocyclam compound, there is apparent synergy and lasting effect；(2) cereal crops, beans are made
Object, fibre crops, sugar crop, melon crop, fruits crop, dry fruit crop, hobby crop, root crop, oil plant
Crop, flower crop, medicinal crop, crop, the pest on green manure pasture crop have greater activity；(3) reduce agriculture
Medicinal dose reduces residual quantity of the pesticide on crop, alleviates environmental pollution；(4) to safety of human and livestock, Environmental compatibility
It is good；And preparation adhesion strength enhances, resistance of rainwater washing against.
Specific embodiment
Below with reference to embodiment to further instruction of the present invention, the percentage in embodiment is weight percentage, but
The present invention is not limited thereto.
Application Example one
Examples 1 to 4 wettable powder
Pyridaben, thiocyclam, dispersing agent, wetting agent, filler are uniformly mixed in mixed cylinder, crushed through airslide disintegrating mill
After remix uniformly, can be prepared by wettable powder product of the present invention, be specifically shown in Table 1.
1 Examples 1 to 4 each component of table and parts by weight
5~8 water dispersible granules of embodiment
The grain that pyridaben, thiocyclam, dispersing agent, wetting agent, disintegrating agent, filler etc. are needed through air-flow crushing together
Diameter adds other auxiliary agents such as binder (can add can be not added), obtains granulation materials.Item is quantified feeding fluidized bed granulation to do
In dry machine after granulation and drying, it can be prepared by water dispersible granules product of the present invention, be specifically shown in Table 2.
2 embodiment of table, 5~8 each component and parts by weight
9~12 suspending agent of embodiment
By dispersing agent, wetting agent, defoaming agent, thickener (can add can be not added), antifreeze (can add can be not added), by high speed
Shear-mixed is uniform, is added pyridaben, thiocyclam, ball milling 2~3 hours in the ball mill, make diameter of particle all 5 μm with
Under, surplus is supplied with deionized water, be can be prepared by suspending agent product of the present invention, is specifically shown in Table 3.
3 embodiment of table, 9~12 each component and parts by weight
13~15 suspoemulsion of embodiment
Dispersing agent, defoaming agent, thickener (can add can be not added), antifreeze (can add can be not added) are mixed by high speed shear
Uniformly, pyridaben is added, in the ball mill ball milling 2~3 hours, makes diameter of particle all at 5 μm and suspends hereinafter, pyridaben is made
Then agent directly emulsifies thiocyclam, solvent, emulsifier and various auxiliary agents into suspending agent with high speed agitator, surplus is spent
Ionized water is supplied, and suspoemulsion product of the present invention is made, is specifically shown in Table 4.
4 embodiment of table, 13~15 each component and parts by weight
16~18 aqueous emulsion of embodiment
Pyridaben, thiocyclam, solvent, emulsifier are added together, make to be dissolved into homogeneous oil phase；By deionized water, freeze proof
Agent (can add can be not added), thickener (can add can be not added), defoaming agent mix, at uniform water phase.Under high velocity agitation, will
Oily phase is added in water phase, and surplus is supplied with deionized water；It can be prepared by aqueous emulsion product of the present invention, be specifically shown in Table 6.
5 embodiment of table, 16~18 each component and parts by weight
19~21 microemulsion of embodiment
Pyridaben, thiocyclam, solvent, emulsifier, antifreeze (can add can be not added), defoaming agent are sufficiently mixed into uniformly thoroughly
Bright oily phase is slowly added into deionized water under stiring, forms WO emulsion, then agitated heating, is allowed to turn rapidly
It coordinates oil-in-water type, is cooled to room temperature and makes up to balance, through filtering, surplus is supplied with deionized water；It can be prepared by institute of the present invention
The microemulsion product stated, is specifically shown in Table 6.
6 embodiment of table, 19~21 each component and parts by weight
22~24 microcapsule suspending agent of embodiment
Pyridaben, thiocyclam, macromolecule cyst material, solvent are mixed, make to be dissolved into homogeneous oil phase, in shearing condition
Under, by oil be added to containing emulsifier, pH adjusting agent, dispersing agent aqueous phase solution in, surplus is supplied with deionized water, two kinds
Material reacts in oil-water interfaces, forms high score ascus wall, and the well dispersed microcapsule suspending agent of the present composition is made and produces
Product.Specifically it is shown in Table 7.
7 embodiment of table, 22~24 each component and parts by weight
Embodiment 25,26 microcapsule suspension-suspendinagent agents
Thiocyclam, macromolecule cyst material, solvent are mixed, make to be dissolved into homogeneous oil phase, in a shear condition by oily phase
Be added to containing emulsifier, pH adjusting agent aqueous phase solution in, well dispersed microcapsule suspending agent is made.By dispersing agent, moisten
Agent, defoaming agent, thickener (can add can be not added) by high speed shear be uniformly mixed, be added pyridaben, in the ball mill ball milling 2~
3 hours, makes diameter of particle all at 5 μm hereinafter, suspending agent is made, then suspending agent is added to the water phase of micro-capsule suspension
In solution, deionized water supplies surplus, and the well dispersed microcapsule suspension-suspendinagent agent product of the present composition is made, is specifically shown in
Table 8.
8 embodiment 25 of table, 26 each components and parts by weight
The embodiment of the present invention is the method combined using indoor toxicity test and field trial.First pass through indoor virulence survey
It is fixed, the co-toxicity coefficient (CTC) after two kinds of medicaments compound by a certain percentage is defined, CTC < 80 is antagonism, 80≤CTC≤120
For summation action, CTC > 120 is synergistic effect, on this basis, then carries out field trial.
Test method: the mother liquor of each mixed agent is diluted to five series of concentrations respectively when test, is respectively placed in beaker
It is spare.Using the first leaching leaf method that is followed by worm, by not in contact with the blade of the same size of any medicament in configured medical fluid
It is taken out after immersion 5s, naturally dry, is put into insect box, then connects test pest, raised under the conditions of 25 DEG C, every processing 3
Secondary repetition, every repetition examination pest number used is 50, while setting blank control, checks dead borer population in 72h, calculates the death rate and school
The positive death rate acquires virulence regression equation and calculates LC50Value.If compareing the death rate is greater than 10%, it is considered as invalid test.It calculates
Formula is as follows:
Pest corrected mortality is converted into probit value (y), concentration for the treatment of (μ g/ml) is converted into logarithm (x), with minimum
Square law obtains virulence regression equation, and thus calculates the value of every kind of medicament, calculates total poison according to the abundant equation of Sun Yun and is
Number CTC.Calculation formula is following (using pyridaben as standard agent, toxicity index 100):
Theoretical toxicity index (TTI)=pyridaben TI × P of MPyridaben+TI × P of thiocyclamThiocyclam
In formula: M is the mixture of different ratio
PThiocyclamFor thiocyclam shared ratio in the composition
PPyridabenFor pyridaben shared ratio in the composition
Application Example two:
For trying harmful mite: paddy rice rice leaf roller
Test medicine is provided by Shaanxi Meibang Pesticide Co., Ltd..
Experimental design: effective cause of pyridaben and thiocyclam raw medicine and the two different ratio mixture is determined by preliminary experiment
Dead concentration range.
Toxicity test result
9 pyridaben of table compounds the toxicity test analysis of results table to paddy rice rice leaf roller with thiocyclam
| Reagent agent | Proportion | LC50(ug/mL) | Co-toxicity coefficient (CTC) |
| Pyridaben | — | 1.43 | — |
| Thiocyclam | — | 14.02 | — |
| Da Man Ling ︰ thiocyclam | 80:1 | 0.87 | 166.21 |
| Da Man Ling ︰ thiocyclam | 60:1 | 0.74 | 196.14 |
| Da Man Ling ︰ thiocyclam | 40:1 | 0.69 | 211.90 |
| Da Man Ling ︰ thiocyclam | 20:1 | 0.68 | 219.71 |
| Da Man Ling ︰ thiocyclam | 10:1 | 0.67 | 232.45 |
| Da Man Ling ︰ thiocyclam | 1:1 | 1.05 | 247.62 |
| Da Man Ling ︰ thiocyclam | 1:4 | 2.01 | 254.09 |
| Da Man Ling ︰ thiocyclam | 1:10 | 2.98 | 263.93 |
| Da Man Ling ︰ thiocyclam | 1:14 | 3.54 | 252.47 |
| Da Man Ling ︰ thiocyclam | 1:19 | 4.02 | 245.33 |
| Da Man Ling ︰ thiocyclam | 1:30 | 4.67 | 237.31 |
| Da Man Ling ︰ thiocyclam | 1:45 | 5.68 | 210.56 |
| Da Man Ling ︰ thiocyclam | 1:60 | 6.35 | 196.24 |
| Da Man Ling ︰ thiocyclam | 1:80 | 7.24 | 177.76 |
As shown in Table 9, pyridaben and thiocyclam match in 1 80~80 ︰ 1 of ︰ paddy rice rice leaf roller, and co-toxicity coefficient is equal
Greater than 120, illustrate that the two mixture in 1 ︰, 80~80 ︰, 1 range shows synergistic effect, when the proportion of pyridaben and thiocyclam
In 1 30~10 ︰ 1 of ︰, synergistic effect becomes apparent protrusion, and co-toxicity coefficient is all larger than 230, when the proportion of pyridaben and thiocyclam
In 1 19~1 ︰ 1 of ︰, synergistic effect the most obviously protrudes, and co-toxicity coefficient is all larger than 245, wherein when pyridaben and thiocyclam weight
Co-toxicity coefficient is maximum when than for 1:10, and synergistic effect is the most obvious.Testing discovery pyridaben with thiocyclam proportion through applicant is
10 ︰ 1,9 ︰ 1,8 ︰ 1,7 ︰ 1,6 ︰ 1,5 ︰ 1,4 ︰ 1,3 ︰ 1,2 ︰ 1,1 ︰ 1,1 ︰ 2,1 ︰ 3,1 ︰ 4,1 ︰ 5,1 ︰ 6,1 ︰ 7,1 ︰ 8,1 ︰ 9,1 ︰
10,1 ︰ 11,1 ︰ 12,1 ︰ 13,1 ︰ 14,1 ︰ 15,1 ︰ 16,1 ︰ 17,1 ︰ 18,1 ︰ 19,1 ︰ 20,1 ︰ 21,1 ︰ 22,1 ︰ 23,1 ︰ 24,1 ︰
25, to the red spider in various crop, rust mite, tetranychid, planthopper, cnaphalocrocis when 1 ︰ 26,1 ︰ 27,1 ︰ 28,1 ︰ 29,1 ︰ 30
Snout moth's larva, striped rice borer, flea beetle or the prevention and treatment of yellow rice borer have apparent synergistic effect, and co-toxicity coefficient is all larger than 120.
Effect experiment part: test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, and comparison medicament 15% is rattled away mite
Missible oil (commercially available), the solvable pulvis of 50% thiocyclam (commercially available).
Three pyridaben of Application Example and thiocyclam and its prevention and treatment paddy rice rice leaf roller pharmacodynamic test is compounded, this test is pacified
Shaanxi Province Hanzhong suburban area is come, investigates paddy rice rice leaf roller pest index before medicine, is administered in pest early period of origination, after application
3 days, 15 days, 30 days investigation pest indexes and calculate preventive effect.Test result is as follows:
10 pyridaben of table and thiocyclam and its compound prevention and treatment paddy rice rice leaf roller pharmacodynamic test
As can be seen from Table 10, paddy rice rice leaf roller, control efficiency can be effectively prevented after pyridaben is compounded with thiocyclam
It is superior to the preventive effect of single dose, preventive effect phase is long, and can prevent and treat rice-stem borer, Yellow Rice Borer and planthopper.It is used in test
It has no adverse effects within the scope of medicine to target crop.
Four pyridaben of Application Example and thiocyclam and its prevention and treatment rice-stem borer pharmacodynamic test is compounded, this test arrangement exists
Shaanxi Province Hanzhong suburban area investigates rice-stem borer pest index before medicine, is administered in pest early period of origination, 3 days, 15 after application
It, 30 days investigation pest indexes and calculate preventive effect.Test result is as follows:
11 pyridaben of table and thiocyclam and its compound prevention and treatment rice-stem borer pharmacodynamic test
As can be seen from Table 11, rice-stem borer can be effectively prevented after pyridaben is compounded with thiocyclam, control efficiency is excellent
In the preventive effect of single dose, preventive effect phase is long, and can prevent and treat paddy rice rice leaf roller, Yellow Rice Borer and planthopper.It is used in test
It has no adverse effects within the scope of medicine to target crop.
Five pyridaben of Application Example and thiocyclam and its compound prevention and treatment brassicaceous vegetable flea beetle pharmacodynamic test, this test
It is arranged in Xian District, Shanxi Province suburban area, investigates brassicaceous vegetable flea beetle pest index before medicine, is administered, applies in pest early period of origination
3 days after medicine, 15 days, 30 days investigation pest indexes and calculate preventive effect.Test result is as follows:
12 pyridaben of table and thiocyclam and its compound prevention and treatment brassicaceous vegetable flea beetle pharmacodynamic test
As can be seen from Table 12, brassicaceous vegetable flea beetle, prevention and treatment effect can be effectively prevented after pyridaben is compounded with thiocyclam
Fruit is superior to the preventive effect of single dose, and preventive effect phase is long, and can prevent and treat brassicaceous vegetable red spider and rust mite.In test medication
It has no adverse effects in range to target crop.
The test by different places throughout the country obtains afterwards, to evil in various crop after pyridaben and thiocyclam compounding
The preventive effect of the insect pests such as worm such as red spider, rust mite, tetranychid, planthopper, rice leaf roller, striped rice borer, flea beetle or yellow rice borer exists
97% or more, it is better than single dose preventive effect, synergistic effect is obvious.
Claims (4)
1. a kind of Pesticidal combination containing pyridaben and thiocyclam, effective active composition is pyridaben and thiocyclam, and feature exists
In: the weight ratio of pyridaben and thiocyclam be 1 ︰, 19~1 ︰ 1, composition be made wettable powder, water dispersible granules, suspending agent,
Suspoemulsion, aqueous emulsion, microemulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent.
2. the Pesticidal combination according to claim 1 containing pyridaben and thiocyclam, it is characterised in that: pyridaben and desinsection
The weight ratio of ring is 1 ︰ 10.
3. the use that the Pesticidal combination according to claim 2 containing pyridaben and thiocyclam is used to prevent and treat pest on crops
On the way.
4. purposes according to claim 3, which is characterized in that the pest includes red spider, rust mite, tetranychid, rice
Plant hopper, rice leaf roller, striped rice borer, flea beetle or yellow rice borer.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101313679A (en) * | 2007-05-30 | 2008-12-03 | 梁建忠 | Method for preparing thiocyclam and imidacloprid combined water dispersible powder |
| CN102365961A (en) * | 2011-10-28 | 2012-03-07 | 海南正业中农高科股份有限公司 | Insecticidal composition |
| CN102405909A (en) * | 2012-01-07 | 2012-04-11 | 庄晓曦 | Compound pesticide for preventing and treating brontispa longissima |
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2013
- 2013-07-16 CN CN201310299007.3A patent/CN104285960B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101313679A (en) * | 2007-05-30 | 2008-12-03 | 梁建忠 | Method for preparing thiocyclam and imidacloprid combined water dispersible powder |
| CN102365961A (en) * | 2011-10-28 | 2012-03-07 | 海南正业中农高科股份有限公司 | Insecticidal composition |
| CN102405909A (en) * | 2012-01-07 | 2012-04-11 | 庄晓曦 | Compound pesticide for preventing and treating brontispa longissima |
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