CN104509534A - Insect disinfestation composition containing trifluorobenzene pyrimidine and nereistoxin - Google Patents
Insect disinfestation composition containing trifluorobenzene pyrimidine and nereistoxin Download PDFInfo
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Abstract
The present invention discloses an insect disinfestation composition containing trifluorobenzene pyrimidine and nereistoxin, wherein the effective active components comprise an active component A and an active component B, the active component A is selected from trifluorobenzene pyrimidine, the active component B is any one compound selected from bisultap, monosultap and thiocyclam, and the weight ratio of the active component A to the active component B is 1:80-60:1. The insect disinfestation composition of the present invention 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 a kind of application of Pesticidal combination on crop pests containing trifluoro-benzene pyrimidine and neires toxin.
Background technology
Trifluoro-benzene pyrimidine is a kind of novel miazines insecticide, has good preventive effect to rice hoppers.
But 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 to prevent and treat the very common method of 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 clearly, very high composite just less of co-toxicity coefficient.Through inventor's research, find trifluoro-benzene pyrimidine and dimehypo, Cupric sulfate, thiocyclam is composite after can produce good synergistic effect, and not yet open about the relevant report that trifluoro-benzene pyrimidine and dimehypo, Cupric sulfate, thiocyclam are composite.
Summary of the invention
The object of the invention is to propose a kind ofly have that synergistic function, use cost are low, preventive effect is good containing the Pesticidal combination of trifluoro-benzene pyrimidine and neires toxin.
A kind of Pesticidal combination containing trifluoro-benzene pyrimidine and neires toxin that the present invention proposes, containing active components A and active component B, active components A and active component B weight ratio are 1 ︰ 80 ~ 60 ︰ 1, described active components A is selected from trifluoro-benzene pyrimidine, active component B is selected from the one in dimehypo, Cupric sulfate, thiocyclam, and active components A and the preferred weight ratio of active component B are 1 ︰ 60 ~ 40 ︰ 1; The weight ratio being more preferably trifluoro-benzene pyrimidine and dimehypo is 1 ︰ 30 ~ 10 ︰ 1, and trifluoro-benzene pyrimidine and Cupric sulfate weight ratio are 1 ︰ 30 ~ 10 ︰ 1, and the weight ratio of trifluoro-benzene pyrimidine and thiocyclam is 1 ︰ 30 ~ 10 ︰ 1; The weight ratio most preferably being trifluoro-benzene pyrimidine and dimehypo is 1:19 ~ 1:1, and trifluoro-benzene pyrimidine and Cupric sulfate weight ratio are 1:19 ~ 1:1, and the weight ratio of trifluoro-benzene pyrimidine and thiocyclam is 1:19 ~ 1:1.
The Pesticidal combination containing trifluoro-benzene pyrimidine that the present invention proposes is for preventing and treating the purposes of insect on crops, 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, flower crop, medicinal crop, crop, green manure pasture crop; Described insect comprises rice fulgorid, rice leaf roller, striped rice borer, paddy stem borer, corn borer, thrips, diamond-back moth, beet armyworm, cabbage caterpillar, aleyrodid, leaf miner, cotton bollworm, prodenia litura, two spotted spider mite, apple leaf miner, pear sucker or aphid.
The weight ratio of active components A, active component B is 1 ︰ 80 ~ 60 ︰ 1.In usual composition, the weight percentage of active component is 0.5% ~ 90% of gross weight, is preferably 5% ~ 80%.According to different preparation types, active component content scope is different.Usually, liquid preparation contains the active substance of by weight 1% ~ 70%, is preferably 5% ~ 50%; Solid pharmaceutical preparation contains the active substance of by weight 5% ~ 80%, is preferably 10% ~ 80%.
At least containing a kind of surfactant in Pesticidal combination of the present invention, the dispersion of active component in water when 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 by user before use through diluting or directly using.Its preparation can be prepared by common processing method known in those skilled in the art, after mixing with liquid flux or solid carrier by active substance, 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, acceptable formulation on any agricultural chemicals can be processed on demand, wherein more excellent formulation is: wetting powder, water dispersible granules, suspending agent, aqueous emulsion, microemulsion, suspension emulsion, microcapsule suspending agent or microcapsule suspension-suspendinagent agent, can also make aqua, soluble powder, suspension seed-coating agent, granule, ultra low volume liquids.
Composition comprises following constituent content when making wetting powder: active components A 0.5% ~ 60%, active component B0.5% ~ 80%, dispersant 2% ~ 10%, wetting agent 2% ~ 10%, filler surplus.
Composition comprises following constituent content when making water dispersible granules: active components A 0.5% ~ 60%, active component B0.5% ~ 80%, dispersant 3% ~ 12%, wetting agent 1% ~ 8%, disintegrant 1% ~ 10%, binding agent 0 ~ 8%, filler surplus.
Composition comprises following constituent content when making suspending agent: 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%.
Composition comprises following constituent content when making aqueous emulsion: active components A 0.5% ~ 50%, active component B0.5% ~ 50%, solvent 0 ~ 30%, emulsifier 1% ~ 15%, antifreeze 0 ~ 8%, thickener 0 ~ 2%, defoamer 0.01% ~ 2%, deionized water supply surplus.
Composition comprises following constituent content when making microemulsion: active components A 0.5% ~ 50%, active component B0.5% ~ 50%, solvent 0 ~ 30%, emulsifier 3% ~ 25%, antifreeze 0 ~ 8%, defoamer 0.01% ~ 2%, stabilizing agent 0 ~ 4%, deionized water supplies surplus.
Composition comprises following constituent content when making suspension emulsion: 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%.
Composition comprises following constituent content when making microcapsule suspending agent: active components A 0.5% ~ 50%, active component B0.5% ~ 50%, macromolecule cyst material 2% ~ 10%, dispersant 1% ~ 10%, organic solvent 0 ~ 10%, emulsifier 1% ~ 7%, pH adjusting agent 0.01% ~ 5%, deionized water add to 100%.
Composition comprises following constituent content when making microcapsule suspension-suspendinagent agent: active components A 0.5% ~ 50%, active component B0.5% ~ 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:
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-suspendinagent agent the key technical indexes of the present invention:
The invention has the advantages that:
(1) trifluoro-benzene pyrimidine and dimehypo, Cupric sulfate, thiocyclam, atgard mixed 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, flower crop, medicinal crop, crop, rice fulgorid on green manure pasture crop, rice leaf roller, striped rice borer, paddy stem borer, corn borer, thrips, diamond-back moth, beet armyworm, cabbage caterpillar, aleyrodid, leaf miner, cotton bollworm, prodenia litura, two spotted spider mite, apple leaf miner, pear sucker or aphid etc. all have greater activity, (3) decrease pesticide usage amount, reduce the residual quantity of agricultural chemicals on crop, alleviate 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
Embodiment 1 ~ 11 wetting powder
Trifluoro-benzene pyrimidine, active component B, dispersant, wetting agent, filler are mixed in mixed cylinder, mixes again after airslide disintegrating mill is pulverized, wetting powder product of the present invention can be obtained, specifically in table 1.
The each component of table 1 embodiment 1 ~ 11 and weight portion
Embodiment 12 ~ 23 water dispersible granules
Trifluoro-benzene pyrimidine, active component B, dispersant, wetting agent, disintegrant, filler etc. are obtained together the particle diameter needed through air-flow crushing, then add other auxiliary agents such as binding agent (can add and can not add), obtain granulation materials.Item is quantitatively sent in fluidized bed granulating dryer through granulating and after drying, water dispersible granules product of the present invention can being obtained, specifically in table 2.
The each component of table 2 embodiment 12 ~ 23 and weight portion
Embodiment 23 ~ 33 suspending agent
By dispersant, wetting agent, defoamer, thickener (can add and can not add), antifreeze (can add and can not add), mix through high speed shear, add trifluoro-benzene pyrimidine, active component B, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, surplus deionized water is supplied, and can obtain suspending agent product of the present invention, specifically in table 3.
The each component of table 3 embodiment 23 ~ 33 and weight portion
Embodiment 34 ~ 41 aqueous emulsion
Trifluoro-benzene pyrimidine, active component B, solvent, emulsifier are added together, make to be dissolved into homogeneous oil phase; Deionized water, antifreeze (can add and can not add), thickener (can add and can not add), defoamer are mixed, becomes homogeneous aqueous phase.Under high velocity agitation, aqueous phase is added oil phase, surplus deionized water is supplied; Aqueous emulsion product of the present invention can be obtained, specifically in table 4.
The each component of table 4 embodiment 34 ~ 41 and weight portion
Embodiment 42 ~ 48 microemulsion
Trifluoro-benzene pyrimidine, active component B are dissolved in and are equipped with in the homogenizer of solvent, emulsifier, antifreeze (can add and can not add), defoamer are joined in the homogenizer that above-mentioned solution is housed, surplus deionized water gives strong mixing and homogenize after supplying, finally obtain the microemulsion product of the present invention that clear appearance is transparent.Specifically in table 5.
The each component of table 5 embodiment 42 ~ 48 and weight portion
Dimehypo, Cupric sulfate, thiocyclam in table 1 ~ 5 are exchanged, can novel formulation be obtained.
Embodiment 49 ~ 51 suspension emulsion
Dispersant, defoamer, thickener (can add and can not add), antifreeze (can add and can not add) are mixed through high speed shear, add trifluoro-benzene pyrimidine, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained trifluoro-benzene pyrimidine suspending agent, then by active component B, emulsifier, solvent and the direct emulsification of various auxiliary agent high speed agitators in suspending agent, obtained suspension emulsion product of the present invention.Specifically in table 6.
Table 6 embodiment 49 ~ 51 component and content
Embodiment 52 ~ 54 microcapsule suspending agent
By trifluoro-benzene pyrimidine, active component B, macromolecule cyst material, solvent, make to be dissolved into homogeneous oil phase, in a shear condition, oil phase is joined in the aqueous phase solution containing emulsifier, pH adjusting agent, dispersant, surplus deionized water is supplied, and bi-material reacts at oil-water interfaces, forms macromolecule cyst wall, make the finely disseminated microcapsule suspending agent product of the present composition, specifically in table 7.
The each component of table 7 embodiment 52 ~ 54 and weight portion
Embodiment 55 ~ 57 microcapsule suspension--suspending agent
By active component B, macromolecule cyst material, solvent, make to be dissolved into homogeneous oil phase, oil phase is joined in a shear condition in the aqueous phase solution containing emulsifier, pH adjusting agent, make finely disseminated microcapsule suspending agent.Defoamer, thickener (can add and can not add) are mixed through high speed shear, add trifluoro-benzene pyrimidine, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained suspending agent, then join in the aqueous phase solution of micro-capsule suspension by suspending agent, deionized water supplies surplus, make the finely disseminated microcapsule suspension-suspendinagent agent product of the present composition, specifically in table 8.
The each component of table 8 embodiment 55 ~ 57 and weight portion
The embodiment of the present invention is the method adopting 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 beaker respectively for subsequent use.Adopt the method connecing worm after first soaking leaf, take out after the blade of the same size not contacting any medicament is soaked 5s in the liquid configured, naturally dry, put into insect box, then connect for examination larva, raise under 25 DEG C of conditions, often process and repeat for 3 times, often repeating examination borer population used is 50, establishes blank simultaneously, checks dead borer population in 72h, calculate lethality and corrected mortality, try to achieve virulence regression equation and calculate LC50 value.If contrast lethality is greater than 10%, be then 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), draws virulence regression equation, and calculate the value of often kind of medicament thus with method of least squares.Co-toxicity coefficient CTC is calculated according to the abundant equation of Sun Yun.Computing formula following (with trifluoro-benzene pyrimidine for standard agent, its toxicity index is 100):
TI × the P of theoretical toxicity index (the TTI)=trifluoro-benzene pyrimidine of M
trifluoro-benzene pyrimidinetI × the P of+effective active composition B
effective active compositionb
In formula: M is the mixture of different ratio
P
effective active compositionb is the shared in the composition ratio of effective active composition B
P
trifluoro-benzene pyrimidinefor the ratio that trifluoro-benzene pyrimidine is shared in the composition
B is selected from the one in dimehypo, Cupric sulfate, thiocyclam.
Application Example two
For examination insect: Yellow Rice Borer
Test medicine provides by Shaanxi Welch Crop Protection Co., Ltd..
Experimental scheme: through effective lethal concentration scope of preliminary experiment determination trifluoro-benzene pyrimidine and the former medicine of dimehypo and the two different ratio mixture.
Table 9 trifluoro-benzene pyrimidine and the composite toxicity test analysis of results table to Yellow Rice Borer of dimehypo
As shown in Table 9, trifluoro-benzene pyrimidine and dimehypo to Yellow Rice Borer proportioning when 1 ︰ 80 ~ 60 ︰ 1, co-toxicity coefficient is all greater than 120, both explanations mixture in 1 ︰ 80 ~ 60 ︰ 1 scope all shows synergistic effect, when the proportioning of trifluoro-benzene pyrimidine and dimehypo is at 1 ︰ 30 ~ 10 ︰ 1, synergistic effect is more obviously given prominence to, co-toxicity coefficient is all greater than 215, when proportioning synergy in the scope of 1:19 ~ 1:1 is best, wherein when trifluoro-benzene pyrimidine and dimehypo weight ratio are 1:10, co-toxicity coefficient is maximum, and synergistic effect is the most obvious.Testing through applicant the optimum ratio finding trifluoro-benzene pyrimidine and dimehypo is 1:30,1:25,1:20,1:19,1:18,1:17,1:16,1:15,1:14,1:13,1:12,1:11,1:10,1:9,1:8,1:7,1:6,1:5,1:4,1:3,1:2,1:1,5:1,10:1.
Application Example three:
For examination insect: rice-stem borer
Test medicine provides by Shaanxi Welch Crop Protection Co., Ltd..
Experimental scheme: through effective lethal concentration scope of preliminary experiment determination trifluoro-benzene pyrimidine and the former medicine of Cupric sulfate and the two different ratio mixture.
Toxicity test result
Table 10 trifluoro-benzene pyrimidine and the composite toxicity test analysis of results table to rice-stem borer of Cupric sulfate
As shown in Table 10, trifluoro-benzene pyrimidine and Cupric sulfate to rice-stem borer proportioning when 1 ︰ 80 ~ 60 ︰ 1, co-toxicity coefficient is all greater than 120, both explanations mixture in 1 ︰ 80 ~ 60 ︰ 1 scope all shows synergistic effect, when the proportioning of trifluoro-benzene pyrimidine and Cupric sulfate is at 1 ︰ 30 ~ 10 ︰ 1, synergistic effect is more obviously given prominence to, co-toxicity coefficient is all greater than 210, when proportioning synergy in the scope of 1:19 ~ 1:1 is best, wherein when trifluoro-benzene pyrimidine and Cupric sulfate weight ratio are 1:11, co-toxicity coefficient is maximum, and synergistic effect is the most obvious.Through applicant, to test the optimum ratio finding trifluoro-benzene pyrimidine and Cupric sulfate be proportioning is 1:30,1:25,1:20,1:19,1:18,1:17,1:16,1:15,1:14,1:13,1:12,1:11,1:10,1:9,1:8,1:7,1:6,1:5,1:4,1:3,1:2,1:1,5:1,10:1.
Application Example four
For examination insect: rice hoppers
Test medicine provides by Shaanxi Welch Crop Protection Co., Ltd..
Experimental scheme: through effective lethal concentration scope of preliminary experiment determination trifluoro-benzene pyrimidine and the former medicine of thiocyclam and the two different ratio mixture.
Table 11 trifluoro-benzene pyrimidine and the composite toxicity test analysis of results table to rice hoppers of thiocyclam
As shown in Table 11, trifluoro-benzene pyrimidine and thiocyclam to rice hoppers proportioning when 1 ︰ 80 ~ 60 ︰ 1, co-toxicity coefficient is all greater than 120, both explanations mixture in 1 ︰ 80 ~ 60 ︰ 1 scope all shows synergistic effect, when the proportioning of trifluoro-benzene pyrimidine and thiocyclam is at 1 ︰ 30 ~ 10 ︰ 1, synergistic effect is more obviously given prominence to, co-toxicity coefficient is all greater than 230, when proportioning synergy in the scope of 1:19 ~ 1:1 is best, wherein when trifluoro-benzene pyrimidine and thiocyclam weight ratio are 1:9, co-toxicity coefficient is maximum, and synergistic effect is the most obvious.Testing through applicant the optimum ratio finding trifluoro-benzene pyrimidine and thiocyclam is 1:30,1:25,1:20,1:19,1:18,1:17,1:16,1:15,1:14,1:13,1:12,1:11,1:10,1:9,1:8,1:7,1:6,1:5,1:4,1:3,1:2,1:1,5:1,10:1.
Find through test: trifluoro-benzene pyrimidine and active component B composite after have obvious synergistic effect to the control of the rice fulgorid in various crop, rice leaf roller, striped rice borer, paddy stem borer, corn borer, thrips, diamond-back moth, beet armyworm, cabbage caterpillar, aleyrodid, leaf miner, cotton bollworm, prodenia litura, two spotted spider mite, apple leaf miner, pear sucker or aphid, co-toxicity coefficient is all more than 120.
Test drug effect part: test medicine is researched and developed by Shaanxi Welch Crop Protection Co., Ltd., provided, contrast medicament 10% trifluoro-benzene pyrimidine suspending agent (autogamy), 20% dimehypo water solution (commercial), 20% Cupric sulfate soluble powder (commercial), 50% thiocyclam soluble powder (commercial).
Application Example five trifluoro-benzene pyrimidine and active component B and the composite control paddy rice rice leaf roller test of pesticide effectiveness thereof
This test arrangement is at Shaanxi Province's Hanzhong City, and investigation paddy rice rice leaf roller insect pest index before medicine, in the dispenser of insect pest initial stage of origination, 1 day, 3 days, 7 days investigation insect pest indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 12 trifluoro-benzene pyrimidine and active component B and the composite control paddy rice rice leaf roller test of pesticide effectiveness thereof
As can be seen from Table 12, trifluoro-benzene pyrimidine and active component B composite after can effectively prevent and treat paddy rice rice leaf roller, through applicant test find trifluoro-benzene pyrimidine and active component B composite after also can be used for water prevention rice thrips, control efficiency is all higher than 96%, be 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 trifluoro-benzene pyrimidine and active component B and the composite control brassicaceous vegetable diamond-back moth test of pesticide effectiveness thereof
This test arrangement is in Xi'an City, Shanxi Province, and investigation brassicaceous vegetable diamond-back moth insect pest index before medicine, in the dispenser of insect pest initial stage of origination, 1 day, 3 days, 7 days investigation insect pest indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 13 trifluoro-benzene pyrimidine and active component B and the composite control brassicaceous vegetable diamond-back moth test of pesticide effectiveness thereof
As can be seen from Table 13, trifluoro-benzene pyrimidine and active component B composite after can effectively prevent and treat brassicaceous vegetable diamond-back moth, through applicant test find trifluoro-benzene pyrimidine and active component B composite after also can be used for preventing and treating brassicaceous vegetable beet armyworm, aphid, golden Autographa spp, prodenia litura, leaf miner, control efficiency is all higher than 95%, be better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example seven trifluoro-benzene pyrimidine and active component B and the composite control Laphygma exigua Hubner test of pesticide effectiveness thereof
This test arrangement is in Xi'an City, Shanxi Province, and investigation Laphygma exigua Hubner insect pest index before medicine, in the dispenser of insect pest initial stage of origination, 1 day, 3 days, 7 days investigation insect pest indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 14 trifluoro-benzene pyrimidine and active component B and the composite control Laphygma exigua Hubner test of pesticide effectiveness thereof
As can be seen from Table 14, trifluoro-benzene pyrimidine and active component B composite after effectively can prevent and treat Laphygma exigua Hubner, through applicant test find trifluoro-benzene pyrimidine and active component B composite after also can be used for preventing and treating cabbage pieris, diamond-back moth, aphid, control efficiency is all higher than 95%, be 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 trifluoro-benzene pyrimidine and active component B and compositely prevent and treat the rice hoppers test of pesticide effectiveness
This test arrangement is at Shaanxi Province's Hanzhong City, and investigation rice hoppers insect pest index before medicine, in the dispenser of insect pest initial stage of origination, 1 day, 3 days, 7 days investigation insect pest indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 15 trifluoro-benzene pyrimidine and active component B and compositely prevent and treat the rice hoppers test of pesticide effectiveness
As can be seen from Table 15, trifluoro-benzene pyrimidine and active component B composite after effectively can prevent and treat rice hoppers, control efficiency, all higher than 95%, is better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example nine trifluoro-benzene pyrimidine and active component B and the composite water prevention chilo suppressalis 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, 3 days, 7 days, 15 days investigation insect pest indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 16 trifluoro-benzene pyrimidine and active component B and the composite water prevention chilo suppressalis test of pesticide effectiveness thereof
As can be seen from Table 16, trifluoro-benzene pyrimidine and active component B composite after can effective water prevention chilo suppressalis, through applicant test find trifluoro-benzene pyrimidine and active component B composite after also can be used for preventing and treating Yellow Rice Borer, control efficiency is all higher than 95%, be better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
After draw through tests different local throughout the country, trifluoro-benzene pyrimidine and dimehypo, Cupric sulfate, the composite rear preventive effect to common insect pests such as the rice fulgorid in various crop, rice leaf roller, striped rice borer, paddy stem borer, corn borer, thrips, diamond-back moth, beet armyworm, cabbage caterpillar, aleyrodid, leaf miner, cotton bollworm, prodenia litura, two spotted spider mite, apple leaf miner, pear sucker or aphids of thiocyclam are all more than 95%, be better than single dose preventive effect, synergistic effect is obvious.
Claims (6)
1. one kind contains the Pesticidal combination of trifluoro-benzene pyrimidine and neires toxin, effective active composition is active components A and active component B, it is characterized in that: active components A and active component B weight ratio are 1 ︰ 80 ~ 60 ︰ 1, described active components A is trifluoro-benzene pyrimidine, and active component B is selected from the one in dimehypo, Cupric sulfate or thiocyclam.
2. the Pesticidal combination containing trifluoro-benzene pyrimidine and neires toxin 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 Pesticidal combination containing trifluoro-benzene pyrimidine and neires toxin according to claim 2, is characterized in that:
The weight ratio of trifluoro-benzene pyrimidine and dimehypo is 1 ︰ 30 ~ 10 ︰ 1;
Trifluoro-benzene pyrimidine and Cupric sulfate weight ratio are 1 ︰ 30 ~ 10 ︰ 1;
The weight ratio of trifluoro-benzene pyrimidine and thiocyclam is 1 ︰ 30 ~ 10 ︰ 1.
4. the Pesticidal combination containing trifluoro-benzene pyrimidine and neires toxin according to any one of claim 1 to 3, is characterized in that: composition makes wetting powder, water dispersible granules, suspension emulsion, aqueous emulsion, microemulsion, suspending agent, microcapsule suspending agent or microcapsule suspension-suspendinagent agent.
5. the Pesticidal combination containing trifluoro-benzene pyrimidine and neires toxin according to claim 4 is for preventing and treating the purposes of insect on crops.
6. purposes according to claim 5, is characterized in that: described insect is rice fulgorid, rice leaf roller, striped rice borer, paddy stem borer, corn borer, thrips, diamond-back moth, beet armyworm, cabbage caterpillar, aleyrodid, leaf miner, cotton bollworm, prodenia litura, two spotted spider mite, apple leaf miner, pear sucker or aphid.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107156151A (en) * | 2017-06-16 | 2017-09-15 | 江苏天容集团股份有限公司 | Pesticidal combination containing trifluoro-benzene pyrimidine and dimehypo |
| CN107156152A (en) * | 2017-06-22 | 2017-09-15 | 江苏天容集团股份有限公司 | Pesticidal combination containing trifluoro-benzene pyrimidine and bensultap |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107156151A (en) * | 2017-06-16 | 2017-09-15 | 江苏天容集团股份有限公司 | Pesticidal combination containing trifluoro-benzene pyrimidine and dimehypo |
| CN107156152A (en) * | 2017-06-22 | 2017-09-15 | 江苏天容集团股份有限公司 | Pesticidal combination containing trifluoro-benzene pyrimidine and bensultap |
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