CN103651363B - Pesticidal composition containing spiromesifen and nereistoxin - Google Patents
Pesticidal composition containing spiromesifen and nereistoxin Download PDFInfo
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- CN103651363B CN103651363B CN201210327711.0A CN201210327711A CN103651363B CN 103651363 B CN103651363 B CN 103651363B CN 201210327711 A CN201210327711 A CN 201210327711A CN 103651363 B CN103651363 B CN 103651363B
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Abstract
The invention discloses a pesticidal composition containing spiromesifen and nereistoxin, which contains an active component A and an active component B, wherein the active component A is selected from spiromesifen; the active component B is selected from any one of thiocyclam, bisultap and monosultap; and the weight ratio of the active component A to the active component B is 1:80-60:1. The composition has a synergistic action on multiple pests jeopardizing agricultural production, reduces the pesticide consumption, lowers the residue level of the pesticide on crops, relieves the environmental pollution, is safe for both human and livestock and has favorable environmental compatibility, and the pests can not easily generate drug 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 Spiromesifen and neires toxin.
Background technology
Spiromesifen (Spiromesifen) molecular formula: C
23h
30o
4.The mechanism of action of Spiromesifen is the growth affecting aleyrodid and acarid, disturb the biosynthesis of its liposome, especially have good activity to larval stage, ovarian duct closure function can also be produced simultaneously, reduce the fertility of acarid and adult whitefly, greatly reduce quantity of laying eggs.
Thiocyclam, dimehypo, Cupric sulfate all belong to sandworm toxin insecticide.Sandworm toxin insecticide has tags and stomach poison function, also has certain interior suction and fumigation action, and can ovicidal.Slower to the toxic effect of insect, poisoning the lighter can be brought back to life sometimes.It disappears comparatively fast in plant corpus, and the longevity of residure is shorter, and residual quantity during results in crop is little.
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 synergy to lack, especially synergistic effect clearly, very high composite just less of co-toxicity coefficient.Study very much through the composite of inventor, find Spiromesifen and thiocyclam, dimehypo, Cupric sulfate is composite after can produce good synergistic effect, and not yet open about the relevant report that Spiromesifen and thiocyclam, dimehypo, Cupric sulfate are composite.
Summary of the invention
The object of the invention is to propose to have that synergistic function, use cost are low, preventive effect is good containing the Pesticidal combination of Spiromesifen and neires toxin.
A kind of Pesticidal combination containing Spiromesifen and neires toxin, containing 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 Spiromesifen, active component B is selected from thiocyclam, dimehypo, one in Cupric sulfate, active components A and the preferred weight ratio of active component B are 1 ︰ 60 ~ 40 ︰ 1, the weight ratio being more preferably Spiromesifen and thiocyclam is 1 ︰ 25 ~ 10 ︰ 1, the weight ratio of Spiromesifen and dimehypo is 1 ︰ 30 ~ 10 ︰ 1, the weight ratio of Spiromesifen and Cupric sulfate is 1 ︰ 25 ~ 10 ︰ 1, the weight ratio most preferably being Spiromesifen and thiocyclam or dimehypo or Cupric sulfate is 1 ︰ 14 ~ 4 ︰ 1.
The described Pesticidal combination containing Spiromesifen and neires toxin 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, flower crop, medicinal crop, crop, green manure pasture crop; Described insect comprises striped rice borer, paddy stem borer, rice leaf roller, thrips, leafhopper, rice gall midge, plant hopper, aphid, diamond-back moth, apple leaf miner, Tetranychus urticae, aleyrodid, two spotted spider mite.
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.
Pesticidal combination 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, suspension emulsion, aqueous emulsion, microemulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent, can also make soluble powder, aqua.
Composition comprises following component and content when making wetting powder: active components A 0.5% ~ 60%, active component B 0.5% ~ 80%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, filler surplus.
Composition comprises following component and content when making water dispersible granules: active components A 0.5% ~ 60%, active component B 0.5% ~ 80%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, disintegrant 1% ~ 10%, binding agent 0 ~ 8%, filler surplus.
Composition comprises following component and content when making suspending agent: active components A 0.5% ~ 50%, active component B 0.5% ~ 50%, dispersant 1% ~ 10%, wetting agent 1% ~ 10%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, antifreeze 0 ~ 8%, deionized water add to 100%.
Composition comprises following component and content when making aqueous emulsion: active components A 0.5% ~ 50%, active component B 0.5% ~ 50%, solvent 1% ~ 20%, emulsifier 1% ~ 12%, antifreeze 0 ~ 8%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, deionized water add to 100%.
Composition comprises following component and content when making microemulsion: active components A 0.5% ~ 50%, active component B 0.5% ~ 50%, emulsifier 3% ~ 25%, solvent 1% ~ 10%, antifreeze 0 ~ 8%, defoamer 0.01% ~ 2%, deionized water add to 100%.
Composition comprises following component and content when making suspension emulsion: active components A 0.5% ~ 50%, active component B 0.5% ~ 50%, emulsifier 1% ~ 10%, dispersant 1% ~ 10%, solvent 1% ~ 20%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, antifreeze 0 ~ 8%, deionized water add to 100%.
Composition comprises following component and content when making microcapsule suspending agent: active components A 0.5% ~ 50%, active component B 0.5% ~ 50%, macromolecule cyst material 1% ~ 10%, dispersant 2% ~ 10%, solvent 1% ~ 10%, emulsifier 1% ~ 7%, pH adjusting agent 0.01% ~ 5%, defoamer 0.01% ~ 2%, deionized water add to 100%.
Composition comprises following component and content when making microcapsule suspension-suspendinagent agent: active components A 0.5% ~ 50%, active component B 0.5% ~ 50%, macromolecule cyst material 1% ~ 12%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, solvent 1% ~ 15%, emulsifier 1% ~ 8%, 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-suspendinagent agent the key technical indexes of the present invention:
The invention has the advantages that:
(1) Spiromesifen and thiocyclam, dimehypo, Cupric sulfate composite after, there is obvious synergy and lasting effect; (2) greater activity is all had to striped rice borer, paddy stem borer, rice leaf roller, thrips, leafhopper, rice gall midge, plant hopper, aphid, diamond-back moth, apple leaf miner, Tetranychus urticae, aleyrodid, two spotted spider mite etc. on 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; (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 ~ 10 wetting powder
Spiromesifen, 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 1,2.
Table 1 embodiment 1 ~ 5 component and content
Table 2 embodiment 6 ~ 10 component and content
Embodiment 11 ~ 20 water dispersible granules
Spiromesifen, 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 3,4.
Table 3 embodiment 11 ~ 15 component and content
Table 4 embodiment 16 ~ 20 component and content
Embodiment 21 ~ 30 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 Spiromesifen, 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 5,6.
Table 5 embodiment 21 ~ 25 component and content
Table 6 embodiment 26 ~ 30 component and content
Thiocyclam, dimehypo, Cupric sulfate in table 1 to table 6 are exchanged, can novel formulation be obtained.Embodiment 31 ~ 34 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 Spiromesifen, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained Spiromesifen 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 7.
The each component of table 7 embodiment 31 ~ 34 and content
Embodiment 35 ~ 39 aqueous emulsion
Spiromesifen, 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 8.Table 8 embodiment 35 ~ 39 component and content
Thiocyclam, dimehypo, Cupric sulfate in table 8 are exchanged, can novel formulation be obtained.
Embodiment 40 ~ 42 microemulsion
Spiromesifen, 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 9.
Table 9 embodiment 40 ~ 42 component and content
Embodiment 43 ~ 45 microcapsule suspending agent
By Spiromesifen, 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, defoamer, 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 10.
Table 10 embodiment 43 ~ 45 component and content
Embodiment 46 ~ 48 microcapsule suspension-suspendinagent 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.Dispersant, wetting agent, defoamer, thickener (can add and can not add) are mixed through high speed shear, add Spiromesifen, 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, makes the finely disseminated microcapsule suspension-suspendinagent agent product of the present composition.Specifically in table 11.
The each component of table 11 embodiment 46 ~ 48 and content
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 LC
50value.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 (take Spiromesifen as standard agent, its toxicity index is 100):
TI × the P of theoretical toxicity index (the TTI)=Spiromesifen of M
spiromesifentI × 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
spiromesifenfor the ratio that Spiromesifen is shared in the composition
B is selected from the one in thiocyclam, dimehypo, Cupric sulfate.
Application Example two:
For examination insect: rice-stem borer
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
Experimental scheme: through effective lethal concentration scope of preliminary experiment determination Spiromesifen and the former medicine of thiocyclam and the two different ratio mixture.
Toxicity test result
Table 12 Spiromesifen and the composite toxicity test analysis of results table to rice-stem borer of thiocyclam
As shown in Table 12, the proportioning of Spiromesifen and the composite water prevention chilo suppressalis of thiocyclam is 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 Spiromesifen and thiocyclam is at 1 ︰ 25 ~ 10 ︰ 1, synergistic effect is more outstanding, co-toxicity coefficient is all greater than 220, testing through applicant the optimum ratio finding Spiromesifen and thiocyclam is 10:1, 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, 1:20, 1:25, wherein when Spiromesifen and thiocyclam weight ratio are 1 ︰ 5, co-toxicity coefficient is maximum, synergistic effect is the most obvious.
Application Example three
For examination insect: water rice hopper
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
Experimental scheme: through effective lethal concentration scope of preliminary experiment determination Spiromesifen and the former medicine of dimehypo and the two different ratio mixture.
Table 13 Spiromesifen and the composite toxicity test analysis of results table to water rice hopper of dimehypo
As shown in Table 13, the proportioning of Spiromesifen and the composite water prevention rice fulgorid of dimehypo is 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 Spiromesifen and dimehypo is at 1 ︰ 30 ~ 10 ︰ 1, synergistic effect is more outstanding, co-toxicity coefficient is all greater than 225, testing through applicant the optimum ratio finding Spiromesifen and dimehypo is 10:1, 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, 1:20, 1:25, 1:30, wherein when Spiromesifen and dimehypo weight ratio are 1 ︰ 6, co-toxicity coefficient is maximum, synergistic effect is the most obvious.
Application Example four
For examination insect: paddy rice rice leaf roller
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
Experimental scheme: through effective lethal concentration scope of preliminary experiment determination Spiromesifen and the former medicine of Cupric sulfate and the two different ratio mixture
Table 14 Spiromesifen and the composite toxicity test analysis of results table to paddy rice rice leaf roller of Cupric sulfate
As shown in Table 14, Spiromesifen and the composite proportioning of preventing and treating paddy rice rice leaf roller of Cupric sulfate are 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 Spiromesifen and Cupric sulfate is at 1 ︰ 25 ~ 10 ︰ 1, synergistic effect is more outstanding, co-toxicity coefficient is all greater than 220, testing through applicant the optimum ratio finding Spiromesifen and Cupric sulfate is 10:1, 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, 1:20, 1:25, wherein when Spiromesifen and Cupric sulfate weight ratio are 1 ︰ 5, co-toxicity coefficient is maximum, synergistic effect is the most obvious.
Through test find: Spiromesifen and active component B composite after have obvious synergistic effect to the control of the striped rice borer in various crop, paddy stem borer, rice leaf roller, thrips, leafhopper, rice gall midge, plant hopper, aphid, diamond-back moth, apple leaf miner, Tetranychus urticae, aleyrodid, two spotted spider mite, co-toxicity coefficient is all more than 120.
Application Example five Spiromesifen and active component B and the composite control brassicaceous vegetable diamond-back moth test of pesticide effectiveness thereof
This test arrangement is at Xian District, Shanxi Province suburban area, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, contrast medicament 24% Spiromesifen suspending agent (autogamy), the solvable pulvis of 50% thiocyclam (commercial), 18% dimehypo water solution (commercial), the solvable pulvis of 45% Cupric sulfate (commercial).
Investigation brassicaceous vegetable diamond-back moth 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 15 Spiromesifen and active component B and the composite control brassicaceous vegetable diamond-back moth test of pesticide effectiveness thereof
As can be seen from Table 15, Spiromesifen and active component B composite after can effectively prevent and treat brassicaceous vegetable diamond-back moth, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long, and brassicaceous vegetable aleyrodid, thrips, aphid can be prevented and treated, and preventive effect is all greater than 96%.In test scope of medication, target crop is had no adverse effects.
Application Example six Spiromesifen and active component B and the composite water prevention rice fulgorid test of pesticide effectiveness thereof
This test arrangement is at Shaanxi Province's Hanzhong City, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, contrast medicament 24% Spiromesifen suspending agent (autogamy), the solvable pulvis of 50% thiocyclam (commercial), 18% dimehypo water solution (commercial), the solvable pulvis of 45% Cupric sulfate (commercial).
Investigation water rice hopper insect pest index before medicine, in the dispenser of insect pest initial stage of origination, 7 days, 14 days, 20 days investigation insect pest indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 16 Spiromesifen and active component B and the composite water prevention rice fulgorid test of pesticide effectiveness thereof
As can be seen from Table 16, Spiromesifen and active component B composite after can effective water prevention rice fulgorid, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long, and can water prevention rice thrips, rice gall midge, and preventive effect is all greater than 96%.In test scope of medication, target crop is had no adverse effects.
Application Example seven Spiromesifen and active component B and the composite control apple gold Autographa spp test of pesticide effectiveness thereof
This test arrangement is in Xianyang, Shanxi province city, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, contrast medicament 24% Spiromesifen suspending agent (autogamy), the solvable pulvis of 50% thiocyclam (commercial), 18% dimehypo water solution (commercial), the solvable pulvis of 45% Cupric sulfate (commercial).
Investigation apple gold Autographa spp insect pest index before medicine, in the dispenser of insect pest initial stage of origination, 3 days, 10 days, 20 days investigation insect pest indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 17 Spiromesifen and active component B and the composite control apple gold Autographa spp test of pesticide effectiveness thereof
As can be seen from Table 17, Spiromesifen and active component B composite after can effectively prevent and treat apple gold Autographa spp, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long, and can prevent and treat apple Tetranychus urticae, two spotted spider mite, and preventive effect is all greater than 96%.In test scope of medication, target crop is had no adverse effects.
Application Example eight Spiromesifen 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, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, contrast medicament 24% Spiromesifen suspending agent (autogamy), the solvable pulvis of 50% thiocyclam (commercial), 18% dimehypo water solution (commercial), the solvable pulvis of 45% Cupric sulfate (commercial).
Investigation rice-stem borer insect pest index before medicine, in the dispenser of insect pest initial stage of origination, 7 days, 14 days, 20 days investigation insect pest indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 18 Spiromesifen and active component B and the composite water prevention chilo suppressalis test of pesticide effectiveness thereof
As can be seen from Table 18, Spiromesifen and active component B composite after can effective water prevention chilo suppressalis, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long, and can prevent and treat Yellow Rice Borer, rice leaf roller, and preventive effect is all greater than 96%.In test scope of medication, target crop is had no adverse effects.
Application Example nine Spiromesifen and active component B and the composite control tomato aleyrodid test of pesticide effectiveness thereof.
This test arrangement is at Xian District, Shanxi Province suburban area, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, contrast medicament 24% Spiromesifen suspending agent (autogamy), the solvable pulvis of 50% thiocyclam (commercial), 18% dimehypo water solution (commercial), the solvable pulvis of 45% Cupric sulfate (commercial).
Investigation tomato meal mite evil 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 19 Spiromesifen and active component B and the composite control tomato aleyrodid test of pesticide effectiveness thereof
As can be seen from Table 19, Spiromesifen and active component B composite after can effectively prevent and treat tomato aleyrodid, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long, and can prevent and treat tomato aphid, and preventive effect is all greater than 96%.In test scope of medication, target crop is had no adverse effects.
After draw through tests different local throughout the country, Spiromesifen and thiocyclam, dimehypo, the composite rear preventive effect to common insect pests such as the striped rice borer in various crop, paddy stem borer, rice leaf roller, thrips, leafhopper, rice gall midge, plant hopper, aphid, diamond-back moth, apple leaf miner, Tetranychus urticae, aleyrodid, two spotted spider mite of Cupric sulfate are all more than 96%, be better than single dose preventive effect, synergistic effect is obvious.
Claims (6)
1. one kind contains the Pesticidal combination of Spiromesifen and neires toxin, containing 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 Spiromesifen, and active component B is selected from the one in thiocyclam, dimehypo, Cupric sulfate.
2. the Pesticidal combination containing Spiromesifen 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 Spiromesifen and neires toxin according to claim 2, is characterized in that:
The weight ratio of Spiromesifen and thiocyclam is 1 ︰ 25 ~ 10 ︰ 1;
The weight ratio of Spiromesifen and dimehypo is 1 ︰ 30 ~ 10 ︰ 1;
The weight ratio of Spiromesifen and Cupric sulfate is 1 ︰ 25 ~ 10 ︰ 1.
4. the Pesticidal combination containing Spiromesifen and neires toxin according to any one of claim 1 to 3, is characterized in that: composition makes wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microemulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent.
5. the Pesticidal combination containing Spiromesifen 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 comprises striped rice borer, paddy stem borer, rice leaf roller, thrips, leafhopper, rice gall midge, plant hopper, aphid, diamond-back moth, apple leaf miner, aleyrodid, two spotted spider mite.
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| CN105831118A (en) * | 2016-03-31 | 2016-08-10 | 太仓市璜泾华南农机作业专业合作社 | Insecticidal composition containing spirocyclic tetronic acid compound and thiocyclam |
| CN105766910A (en) * | 2016-03-31 | 2016-07-20 | 太仓市璜泾华南农机作业专业合作社 | Insecticide composition containing spiro-cyclohexanone acid compounds and dimehypo |
| CN105766911A (en) * | 2016-03-31 | 2016-07-20 | 太仓市璜泾华南农机作业专业合作社 | Insecticidal composition containing spiro tetronic acids compound and monosultap |
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| WO2005065453A1 (en) * | 2004-01-07 | 2005-07-21 | Bayer Cropscience Aktiengesellschaft | Active substance combinations having insecticidal and acaricidal properties |
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| CN101980601A (en) * | 2008-03-27 | 2011-02-23 | 拜耳作物科学公司 | Use of tetronic acid derivatives for fighting insects and red spider mites by watering on the ground, droplet application or immersion application |
| CN101683072A (en) * | 2009-07-21 | 2010-03-31 | 深圳诺普信农化股份有限公司 | Farm chemical composition |
| CN102224825A (en) * | 2011-04-25 | 2011-10-26 | 青岛海利尔药业有限公司 | Pesticide composition containing sulfoxaflor and nereistoxin compound |
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