CN104585186A - Insecticidal composition containing trichloropenyl pyrimidine and biogenic source - Google Patents
Insecticidal composition containing trichloropenyl pyrimidine and biogenic source Download PDFInfo
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Abstract
The invention discloses an insecticidal composition containing trichloropenyl pyrimidine and a biogenic source. Effective active components of the composition comprise an active component A and an active component B, wherein the active component A is trichloropenyl pyrimidine, the active component B is selected from anyone of avermectin, spinosad, spinetoram and emamectin benzoate, and a weight ratio of the active component A to the active component B is 1:60-80:1. The composition has the advantages of synergistic effect on many insects harmful to the agricultural production, reduction of the pesticide consumption, reduction of the residual quantity of pesticides on crops, mitigation of the environment pollution, safety to humans and animals, good environmental compatibility, and difficult pesticide resistance of the insects.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of application of Pesticidal combination on crop pests containing trichloro-benzenes pyrimidine and biogenic substances.
Background technology
Trichloro-benzenes pyrimidine is a kind of novel pesticide, is mainly used in preventing and treating rice fulgorid.
Avermectin, multiple killing teichomycin, ethyl pleocidin or emamectin-benzoate belong to biogenic pesticide, be widely used in control crops insect pest, in the application by " emamectin-benzoate " referred to as " emamectin benzoate ".
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.Study through inventor, find trichloro-benzenes pyrimidine and Avermectin, multiple killing teichomycin, ethyl pleocidin, emamectin benzoate is composite after can produce good synergistic effect, and not yet open about the relevant report that trichloro-benzenes pyrimidine and Avermectin, multiple killing teichomycin, ethyl pleocidin, emamectin benzoate 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 trichloro-benzenes pyrimidine and biogenic substances.
A kind of Pesticidal combination containing trichloro-benzenes pyrimidine and biogenic substances that the present invention proposes, effective active composition is active components A and active component B, active components A and active component B weight ratio are 1 ︰ 60 ~ 80 ︰ 1, described active components A is trichloro-benzenes pyrimidine, active component B is selected from the one in Avermectin, multiple killing teichomycin, ethyl pleocidin, emamectin benzoate, and active components A and the preferred weight ratio of active component B are 1 ︰ 40 ~ 60 ︰ 1; The weight ratio being more preferably trichloro-benzenes pyrimidine and Avermectin is 1 ︰ 25 ~ 30 ︰ 1, the weight ratio of trichloro-benzenes pyrimidine and multiple killing teichomycin is 1 ︰ 20 ~ 25 ︰ 1, the weight ratio of trichloro-benzenes pyrimidine and ethyl pleocidin is 1 ︰ 20 ~ 25 ︰ 1, and the weight ratio of trichloro-benzenes pyrimidine and emamectin-benzoate is 1 ︰ 15 ~ 35 ︰ 1; The weight ratio most preferably being trichloro-benzenes pyrimidine and Avermectin is 1 ︰ 5 ~ 15 ︰ 1, the weight ratio of trichloro-benzenes pyrimidine and multiple killing teichomycin or ethyl pleocidin is 1 ︰ 5 ~ 10 ︰ 1, and the weight ratio of trichloro-benzenes pyrimidine and emamectin-benzoate is 1 ︰ 1 ~ 16 ︰ 1.
The Pesticidal combination containing trichloro-benzenes 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, cabbage caterpillar, diamond-back moth, leaf miner, leaf roller, cotton bollworm, heart-eating worm, cotton boll resemble, beet armyworm, prodenia litura, apple leaf miner, leafhopper, blister mite, pear sucker, aleyrodid, aphid or thrips.
The weight ratio of active components A, active component B is 1 ︰ 60 ~ 80 ︰ 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 preferably formulation is wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microemulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent, can also make missible oil, granule, seed coat agent, suspension seed-coating agent, ultra low volume liquids.。
Composition comprises following constituent content when making wetting powder: active components A 0.1% ~ 80%, active component B0.1% ~ 60%, dispersant 2% ~ 10%, wetting agent 2% ~ 10%, filler surplus.
Composition comprises following constituent content when making water dispersible granules: active components A 0.1% ~ 80%, active component B0.1% ~ 60%, 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 0.1% ~ 50%, active component B0.1% ~ 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 suspension emulsion: active components A 0.1% ~ 50%, active component B0.1% ~ 50%, dispersant 2% ~ 10%, defoamer 0.01% ~ 2%, solvent 0 ~ 15%, thickener 0% ~ 2%, emulsifier 2% ~ 12%, antifreeze 0 ~ 8%, stabilizing agent 0 ~ 3%, deionized water add to 100%.
Composition comprises following constituent content when making aqueous emulsion: active components A 0.1% ~ 50%, active component B0.1% ~ 50%, solvent 1% ~ 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 microcapsule suspending agent: active components A 0.1% ~ 50%, active component B0.1% ~ 50%, macromolecule cyst material 2% ~ 10%, dispersant 1% ~ 10%, organic solvent 1% ~ 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 0.1% ~ 50%, active component B0.1% ~ 50%, macromolecule cyst material 2% ~ 10%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, organic solvent 1% ~ 15%, emulsifier 1% ~ 6%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, pH adjusting agent 0.01% ~ 5%, deionized water add to 100%;
Wetting powder the key technical indexes of the present invention:
Water dispersible granules the key technical indexes of the present invention:
Suspending agent the key technical indexes of the present invention:
Suspension emulsion the key technical indexes of the present invention:
Aqueous 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) trichloro-benzenes pyrimidine and Avermectin, multiple killing teichomycin, ethyl spinosad, emamectin benzoate composite after, there is obvious synergy and lasting effect, (2) to cereal crops, legume crop, fiber crop, sugar [yielding, melon crop, fruits crop, dry fruit crop, hobby crop, root crop, oil crop, flower crop, medicinal crop, crop, rice fulgorid on green manure pasture crop, rice leaf roller, striped rice borer, paddy stem borer, cabbage caterpillar, diamond-back moth, leaf miner, leaf roller, cotton bollworm, heart-eating worm, cotton boll resembles, beet armyworm, prodenia litura, apple leaf miner, leafhopper, blister mite, pear sucker, aleyrodid, aphid or thrips 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 ~ 13 wetting powder
Trichloro-benzenes 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 ~ 13 and weight portion
Embodiment 14 ~ 26 water dispersible granules
Trichloro-benzenes 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 14 ~ 26 and weight portion
Embodiment 27 ~ 39 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 trichloro-benzenes 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 27 ~ 39 and weight portion
Embodiment 40 ~ 44 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 trichloro-benzenes pyrimidine, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained trichloro-benzenes pyrimidine suspending agent, then by active component B, solvent, emulsifier and the direct emulsification of various auxiliary agent high speed agitators
To in suspending agent, surplus deionized water is supplied, obtained suspension emulsion product of the present invention,
Specifically in table 4.
The each component of table 4 embodiment 40 ~ 44 and weight portion
Embodiment 45 ~ 57 aqueous emulsion
Trichloro-benzenes 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, 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 5.
The each component of table 5 embodiment 45 ~ 57 and weight portion
Avermectin, multiple killing teichomycin, ethyl pleocidin, emamectin benzoate in table 1 ~ 5 are exchanged, can novel formulation be obtained.
Embodiment 58 ~ 60 microemulsion
Trichloro-benzenes 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 6.
The each component of table 6 example 58 ~ 60 and content
Embodiment 61,62 microcapsule suspending agent
By trichloro-benzenes 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, defoamer, surplus deionized water is supplied, bi-material reacts at oil-water interfaces, forms macromolecule cyst wall, makes the finely disseminated microcapsule suspending agent product of the present composition.Specifically in table 7.
Table 7 embodiment 61,62 each component and weight portion
Embodiment 63,64 microcapsule suspension-suspendinagent agent
By trichloro-benzenes pyrimidine, 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 active component B, 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.
Table 8 embodiment 63,64 each component 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, calculates co-toxicity coefficient CTC according to the abundant equation of Sun Yun.Computing formula following (with trichloro-benzenes pyrimidine for standard agent, its toxicity index is 100):
Property become M to divide the opinion TI poison × P power of B reason have the TI × P referring to effect number activity (becoming T to divide TBI)=trichloro-benzenes pyrimidine
trichloro-benzenes pyrimidine+effective work
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
trichloro-benzenes pyrimidinefor the ratio that trichloro-benzenes pyrimidine is shared in the composition
B is selected from the one in Avermectin, multiple killing teichomycin, ethyl pleocidin, emamectin benzoate.
Application Example two:
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 trichloro-benzenes pyrimidine and the former medicine of Avermectin and the two different ratio mixture.
Toxicity test result
Table 9 trichloro-benzenes pyrimidine and the abamectin compounded toxicity test analysis of results table to rice hoppers
| Reagent agent | Proportioning | LC 50(ug/mL) | Co-toxicity coefficient (CTC) |
| Trichloro-benzenes pyrimidine | — | 1.05 | — |
| Avermectin | — | 0.60 | — |
| Trichloro-benzenes Mi Ding ︰ Avermectin | 80:1 | 0.57 | 182.52 |
| Trichloro-benzenes Mi Ding ︰ Avermectin | 60:1 | 0.53 | 195.71 |
| Trichloro-benzenes Mi Ding ︰ Avermectin | 40:1 | 0.50 | 206.23 |
| Trichloro-benzenes Mi Ding ︰ Avermectin | 30:1 | 0.45 | 227.82 |
| Trichloro-benzenes Mi Ding ︰ Avermectin | 20:1 | 0.43 | 235.77 |
| Trichloro-benzenes Mi Ding ︰ Avermectin | 15:1 | 0.41 | 244.63 |
| Trichloro-benzenes Mi Ding ︰ Avermectin | 9:1 | 0.38 | 257.04 |
| Trichloro-benzenes Mi Ding ︰ Avermectin | 5:1 | 0.35 | 266.67 |
| Trichloro-benzenes Mi Ding ︰ Avermectin | 1:1 | 0.30 | 254.55 |
| Trichloro-benzenes Mi Ding ︰ Avermectin | 1:5 | 0.26 | 248.52 |
| Trichloro-benzenes Mi Ding ︰ Avermectin | 1:15 | 0.26 | 237.12 |
| Trichloro-benzenes Mi Ding ︰ Avermectin | 1:25 | 0.27 | 225.95 |
| Trichloro-benzenes Mi Ding ︰ Avermectin | 1:30 | 0.30 | 202.80 |
| Trichloro-benzenes Mi Ding ︰ Avermectin | 1:40 | 0.33 | 183.74 |
| Trichloro-benzenes Mi Ding ︰ Avermectin | 1:60 | 0.35 | 172.64 |
As shown in Table 9, trichloro-benzenes pyrimidine and Avermectin to rice hoppers proportioning when 1 ︰ 60 ~ 80 ︰ 1, co-toxicity coefficient is all greater than 120, both explanations mixture in 1 ︰ 60 ~ 80 ︰ 1 scope all shows synergistic effect, when the proportioning of trichloro-benzenes pyrimidine and Avermectin is at 1 ︰ 25 ~ 30 ︰ 1, synergistic effect is more obviously given prominence to, and co-toxicity coefficient is all greater than 225; When the proportioning of trichloro-benzenes pyrimidine and Avermectin is at 1 ︰ 5 ~ 15 ︰ 1, synergistic effect is the most obviously given prominence to, and co-toxicity coefficient is all greater than 240, and wherein when trichloro-benzenes pyrimidine and Avermectin weight ratio are 5:1, co-toxicity coefficient is maximum, and synergistic effect is the most obvious.Test through applicant and find trichloro-benzenes pyrimidine and Avermectin proportioning 30:1, 25:1, 20:1, 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, 1:12, 1:14, 1:15, 1:20, to the rice fulgorid in various crop during 1:25, rice leaf roller, striped rice borer, paddy stem borer, cabbage caterpillar, diamond-back moth, leaf miner, leaf roller, cotton bollworm, heart-eating worm, cotton boll resembles, beet armyworm, prodenia litura, apple leaf miner, leafhopper, blister mite, pear sucker, aleyrodid, the control of aphid or thrips has obvious synergistic effect, co-toxicity coefficient is all greater than 120.
Application Example three:
For examination insect: cotton cotton bollworm
Test medicine provides by Shaanxi Welch Crop Protection Co., Ltd..
Experimental scheme: through effective lethal concentration scope of preliminary experiment determination trichloro-benzenes pyrimidine and the former medicine of multiple killing teichomycin and the two different ratio mixture.
Toxicity test result
Table 10 trichloro-benzenes pyrimidine and the composite toxicity test analysis of results table to cotton cotton bollworm of multiple killing teichomycin
| Reagent agent | Proportioning | LC 50(ug/mL) | Co-toxicity coefficient (CTC) |
| Trichloro-benzenes pyrimidine | — | 1.10 | — |
| Multiple killing teichomycin | — | 0.75 | — |
| Trichloro-benzenes Mi Ding ︰ multiple killing teichomycin | 80:1 | 0.61 | 179.31 |
| Trichloro-benzenes Mi Ding ︰ multiple killing teichomycin | 60:1 | 0.59 | 185.05 |
| Trichloro-benzenes Mi Ding ︰ multiple killing teichomycin | 40:1 | 0.53 | 205.24 |
| Trichloro-benzenes Mi Ding ︰ multiple killing teichomycin | 25:1 | 0.48 | 225.18 |
| Trichloro-benzenes Mi Ding ︰ multiple killing teichomycin | 15:1 | 0.46 | 232.45 |
| Trichloro-benzenes Mi Ding ︰ multiple killing teichomycin | 10:1 | 0.43 | 245.55 |
| Trichloro-benzenes Mi Ding ︰ multiple killing teichomycin | 5:1 | 0.40 | 255.42 |
| Trichloro-benzenes Mi Ding ︰ multiple killing teichomycin | 3:1 | 0.38 | 259.62 |
| Trichloro-benzenes Mi Ding ︰ multiple killing teichomycin | 1:1 | 0.35 | 255.52 |
| Trichloro-benzenes Mi Ding ︰ multiple killing teichomycin | 1:5 | 0.32 | 248.49 |
| Trichloro-benzenes Mi Ding ︰ multiple killing teichomycin | 1:10 | 0.33 | 235.04 |
| Trichloro-benzenes Mi Ding ︰ multiple killing teichomycin | 1:20 | 0.34 | 224.97 |
| Trichloro-benzenes Mi Ding ︰ multiple killing teichomycin | 1:30 | 0.37 | 205.72 |
| Trichloro-benzenes Mi Ding ︰ multiple killing teichomycin | 1:40 | 0.40 | 189.81 |
| Trichloro-benzenes Mi Ding ︰ multiple killing teichomycin | 1:60 | 0.42 | 180.32 |
As shown in Table 10, trichloro-benzenes pyrimidine and multiple killing teichomycin to cotton cotton bollworm proportioning when 1 ︰ 60 ~ 80 ︰ 1, co-toxicity coefficient is all greater than 120, both explanations mixture in 1 ︰ 60 ~ 80 ︰ 1 scope all shows synergistic effect, when the proportioning of trichloro-benzenes pyrimidine and multiple killing teichomycin is at 1 ︰ 20 ~ 25 ︰ 1, synergistic effect is more obviously given prominence to, and co-toxicity coefficient is all greater than 220.Wherein when trichloro-benzenes pyrimidine and multiple killing teichomycin weight ratio are 3:1, co-toxicity coefficient is maximum, and synergistic effect is the most obvious.Test through applicant and find that trichloro-benzenes pyrimidine and multiple killing teichomycin proportioning are 25:1, 20:1, 10:1, 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, 1:10, 1:12, 1:15, to the rice fulgorid in various crop during 1:20, rice leaf roller, striped rice borer, paddy stem borer, cabbage caterpillar, diamond-back moth, leaf miner, leaf roller, cotton bollworm, heart-eating worm, cotton boll resembles, beet armyworm, prodenia litura, apple leaf miner, leafhopper, blister mite, pear sucker, aleyrodid, the control of aphid or thrips has obvious synergistic effect, co-toxicity coefficient is all greater than 120.
Application Example four
For examination insect: Laphygma exigua Hubner
Test medicine provides by Shaanxi Welch Crop Protection Co., Ltd..
Experimental scheme: through effective lethal concentration scope of preliminary experiment determination trichloro-benzenes pyrimidine and the former medicine of ethyl pleocidin and the two different ratio mixture.
Table 11 trichloro-benzenes pyrimidine and the composite toxicity test analysis of results table to Laphygma exigua Hubner of ethyl pleocidin
| Reagent agent | Proportioning | LC 50(ug/mL) | Co-toxicity coefficient (CTC) |
| Trichloro-benzenes pyrimidine | — | 1.00 | — |
| Ethyl pleocidin | — | 0.75 | — |
| Trichloro-benzenes Mi Ding ︰ ethyl pleocidin | 80:1 | 0.58 | 171.71 |
| Trichloro-benzenes Mi Ding ︰ ethyl pleocidin | 60:1 | 0.54 | 184.19 |
| Trichloro-benzenes Mi Ding ︰ ethyl pleocidin | 40:1 | 0.50 | 198.40 |
| Trichloro-benzenes Mi Ding ︰ ethyl pleocidin | 25:1 | 0.44 | 224.42 |
| Trichloro-benzenes Mi Ding ︰ ethyl pleocidin | 15:1 | 0.42 | 233.28 |
| Trichloro-benzenes Mi Ding ︰ ethyl pleocidin | 10:1 | 0.40 | 242.72 |
| Trichloro-benzenes Mi Ding ︰ ethyl pleocidin | 5:1 | 0.37 | 256.18 |
| Trichloro-benzenes Mi Ding ︰ ethyl pleocidin | 2:1 | 0.34 | 264.97 |
| Trichloro-benzenes Mi Ding ︰ ethyl pleocidin | 1:1 | 0.34 | 252.46 |
| Trichloro-benzenes Mi Ding ︰ ethyl pleocidin | 1:5 | 0.32 | 245.10 |
| Trichloro-benzenes Mi Ding ︰ ethyl pleocidin | 1:10 | 0.33 | 233.10 |
| Trichloro-benzenes Mi Ding ︰ ethyl pleocidin | 1:20 | 0.34 | 223.79 |
| Trichloro-benzenes Mi Ding ︰ ethyl pleocidin | 1:30 | 0.37 | 204.85 |
| Trichloro-benzenes Mi Ding ︰ ethyl pleocidin | 1:40 | 0.41 | 184.50 |
| Trichloro-benzenes Mi Ding ︰ ethyl pleocidin | 1:60 | 0.43 | 175.57 |
As shown in Table 11, trichloro-benzenes pyrimidine and ethyl pleocidin to Laphygma exigua Hubner proportioning when 1 ︰ 60 ~ 80 ︰ 1, co-toxicity coefficient is all greater than 120, both explanations mixture in 1 ︰ 60 ~ 80 ︰ 1 scope all shows synergistic effect, when the proportioning of trichloro-benzenes pyrimidine and ethyl pleocidin is at 1 ︰ 20 ~ 25 ︰ 1, synergistic effect is more obviously given prominence to, and co-toxicity coefficient is all greater than 220.Wherein when trichloro-benzenes pyrimidine and ethyl pleocidin weight ratio are 2:1, co-toxicity coefficient is maximum, and synergistic effect is the most obvious.Test through applicant and find that trichloro-benzenes pyrimidine and ethyl pleocidin proportioning are 25:1, 20:1, 10:1, 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, 1:10, 1:12, 1:15, to the rice fulgorid in various crop during 1:20, rice leaf roller, striped rice borer, paddy stem borer, cabbage caterpillar, diamond-back moth, leaf miner, leaf roller, cotton bollworm, heart-eating worm, cotton boll resembles, beet armyworm, prodenia litura, apple leaf miner, leafhopper, blister mite, pear sucker, aleyrodid, the control of aphid or thrips has obvious synergistic effect, co-toxicity coefficient is all greater than 120.
Application Example five
For examination insect: brassicaceous vegetable diamond-back moth
Test medicine provides by Shaanxi Welch Crop Protection Co., Ltd..
Experimental scheme: through effective lethal concentration scope of preliminary experiment determination trichloro-benzenes pyrimidine and the former medicine of emamectin benzoate and the two different ratio mixture.
Table 12 trichloro-benzenes pyrimidine and the composite toxicity test analysis of results table to brassicaceous vegetable diamond-back moth of emamectin benzoate
| Reagent agent | Proportioning | LC 50(ug/mL) | Co-toxicity coefficient (CTC) |
| Trichloro-benzenes pyrimidine | — | 0.95 | — |
| Emamectin benzoate | — | 0.35 | — |
| Trichloro-benzenes Mi Ding ︰ emamectin benzoate | 80:1 | 0.52 | 178.92 |
| Trichloro-benzenes Mi Ding ︰ emamectin benzoate | 60:1 | 0.50 | 184.82 |
| Trichloro-benzenes Mi Ding ︰ emamectin benzoate | 40:1 | 0.45 | 202.66 |
| Trichloro-benzenes Mi Ding ︰ emamectin benzoate | 35:1 | 0.40 | 226.73 |
| Trichloro-benzenes Mi Ding ︰ emamectin benzoate | 25:1 | 0.38 | 234.57 |
| Trichloro-benzenes Mi Ding ︰ emamectin benzoate | 16:1 | 0.35 | 246.62 |
| Trichloro-benzenes Mi Ding ︰ emamectin benzoate | 12:1 | 0.33 | 254.41 |
| Trichloro-benzenes Mi Ding ︰ emamectin benzoate | 9:1 | 0.31 | 261.70 |
| Trichloro-benzenes Mi Ding ︰ emamectin benzoate | 5:1 | 0.29 | 254.93 |
| Trichloro-benzenes Mi Ding ︰ emamectin benzoate | 1:1 | 0.21 | 243.87 |
| Trichloro-benzenes Mi Ding ︰ emamectin benzoate | 1:5 | 0.17 | 230.44 |
| Trichloro-benzenes Mi Ding ︰ emamectin benzoate | 1:15 | 0.16 | 228.09 |
| Trichloro-benzenes Mi Ding ︰ emamectin benzoate | 1:30 | 0.18 | 198.80 |
| Trichloro-benzenes Mi Ding ︰ emamectin benzoate | 1:40 | 0.19 | 187.39 |
| Trichloro-benzenes Mi Ding ︰ emamectin benzoate | 1:60 | 0.20 | 177.11 |
As shown in Table 12, trichloro-benzenes pyrimidine and emamectin benzoate to brassicaceous vegetable diamond-back moth proportioning when 1 ︰ 60 ~ 80 ︰ 1, co-toxicity coefficient is all greater than 120, both explanations mixture in 1 ︰ 60 ~ 80 ︰ 1 scope all shows synergistic effect, when the proportioning of trichloro-benzenes pyrimidine and emamectin benzoate is at 1 ︰ 15 ~ 35 ︰ 1, synergistic effect is more obviously given prominence to, and co-toxicity coefficient is all greater than 225.Wherein when trichloro-benzenes pyrimidine and emamectin benzoate weight ratio are 9:1, co-toxicity coefficient is maximum, and synergistic effect is the most obvious.Test through applicant and find trichloro-benzenes pyrimidine and emamectin benzoate proportioning 35:1, 30:1, 20:1, 18:1, 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, 1:1, 1:2, 1:5, 1:10, to the rice fulgorid in various crop during 1:15, rice leaf roller, striped rice borer, paddy stem borer, cabbage caterpillar, diamond-back moth, leaf miner, leaf roller, cotton bollworm, heart-eating worm, cotton boll resembles, beet armyworm, prodenia litura, apple leaf miner, leafhopper, blister mite, pear sucker, aleyrodid, the control of aphid or thrips has obvious synergistic effect, co-toxicity coefficient is all greater than 120.
Test of pesticide effectiveness part: test medicine is researched and developed by Shaanxi Welch Crop Protection Co., Ltd., provided, contrast medicament 10% trichloro-benzenes pyrimidine suspending agent (autogamy), 1.8% abamectin emulsifiable concentrate (commercial), 25 grams per liter multiple killing teichomycin suspending agents (commercial), 60 grams per liter ethyl spinosad suspending agents (commercial), 1% emamectin benzoate missible oil (commercial).
Application Example six trichloro-benzenes pyrimidine and active component B and compositely prevent and treat the rice hoppers test of pesticide effectiveness
This test arrangement is in Hanzhong City suburb, Shaanxi Province, 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 13 trichloro-benzenes pyrimidine and active component B and compositely prevent and treat the rice hoppers test of pesticide effectiveness
As can be seen from Table 13, trichloro-benzenes pyrimidine and active component B composite after effectively can prevent and treat rice hoppers, through applicant test find trichloro-benzenes pyrimidine and active component B and composite also can effectively water prevention chilo suppressalis, paddy stem borer, rice leaf roller, control efficiency is all better than higher than 96%, 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 trichloro-benzenes pyrimidine and active component B and the composite control brassicaceous vegetable beet armyworm test of pesticide effectiveness thereof
This test arrangement is at Xian District, Shanxi Province suburban area, and investigation brassicaceous vegetable beet armyworm 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 trichloro-benzenes pyrimidine and active component B and the composite control brassicaceous vegetable beet armyworm test of pesticide effectiveness thereof
As can be seen from Table 14, trichloro-benzenes pyrimidine and active component B composite after can effectively prevent and treat brassicaceous vegetable beet armyworm, test finding trichloro-benzenes pyrimidine and active component B and compositely also can effectively prevent and treat cabbage caterpillar, diamond-back moth, prodenia litura through applicant.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 eight trichloro-benzenes pyrimidine and active component B and the composite control cotton cotton bollworm test of pesticide effectiveness thereof
This test arrangement is in Weinan City Dali County, Shaanxi Province, and investigation cotton cotton bollworm 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 trichloro-benzenes pyrimidine and active component B and the composite control cotton cotton bollworm test of pesticide effectiveness thereof
As can be seen from Table 15, trichloro-benzenes pyrimidine and active component B and composite control cotton cotton bollworm thereof, test through applicant and find trichloro-benzenes pyrimidine and active component B and compositely also can effectively prevent and treat cotton boll and resemble.Control efficiency, all higher than 96%, 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 trichloro-benzenes pyrimidine and active component B and the composite control eggplant thrips test of pesticide effectiveness thereof
This test arrangement is at Xian District, Shanxi Province suburban area, and investigation eggplant thrips 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 16 trichloro-benzenes pyrimidine and active component B and the composite control eggplant thrips test of pesticide effectiveness thereof
As can be seen from Table 16, trichloro-benzenes pyrimidine and active component B composite after can effectively prevent and treat eggplant thrips, through applicant test find trichloro-benzenes pyrimidine and active component B composite after also can effectively prevent and treat eggplant aleyrodid, 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 ten trichloro-benzenes pyrimidine and active component B and the composite control phyllocnistis citrella stainton test of pesticide effectiveness thereof
This test arrangement is in Hanzhong City suburb, Shaanxi Province, and investigation phyllocnistis citrella stainton 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 17 trichloro-benzenes pyrimidine and active component B and the composite control phyllocnistis citrella stainton test of pesticide effectiveness thereof
As can be seen from Table 17, trichloro-benzenes pyrimidine and active component B composite after effectively can prevent and treat phyllocnistis citrella stainton, through applicant test find trichloro-benzenes pyrimidine and active component B composite after also can effectively prevent and treat Homona coffearia, blister mite, aphid.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 11 trichloro-benzenes pyrimidine and active component B and the composite control pear tree pear sucker test of pesticide effectiveness thereof
This test arrangement is at Xianyang, Shanxi province suburban area, and investigation pear tree pear sucker 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 18 trichloro-benzenes pyrimidine and active component B and the composite control pear tree pear sucker test of pesticide effectiveness thereof
As can be seen from Table 18, trichloro-benzenes pyrimidine and active component B composite after can effectively prevent and treat pear tree pear sucker, through applicant test find trichloro-benzenes pyrimidine and active component B composite after also can effectively prevent and treat pear tree heart-eating worm, apple leaf miner, leafhopper.Control efficiency, all higher than 96%, 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.
After draw through tests different local throughout the country, trichloro-benzenes pyrimidine and Avermectin, multiple killing teichomycin, ethyl spinosad, emamectin benzoate be composite to be resembled afterwards to the rice fulgorid in various crop, rice leaf roller, striped rice borer, paddy stem borer, cabbage caterpillar, diamond-back moth, leaf miner, leaf roller, cotton bollworm, heart-eating worm, cotton boll, beet armyworm, prodenia litura, apple leaf miner, leafhopper, blister mite, pear sucker, aleyrodid, the common insect pests such as aphid or thrips preventive effect 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 trichloro-benzenes pyrimidine and biogenic substances, 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 ︰ 60 ~ 80 ︰ 1, described active components A is trichloro-benzenes pyrimidine, and active component B is selected from the one in Avermectin, multiple killing teichomycin, ethyl pleocidin or emamectin-benzoate.
2. the Pesticidal combination containing trichloro-benzenes pyrimidine and biogenic substances according to claim 1, is characterized in that: the weight ratio of active components A and active component B is 1 ︰ 40 ~ 60 ︰ 1.
3. the Pesticidal combination containing trichloro-benzenes pyrimidine and biogenic substances according to claim 2, is characterized in that:
The weight ratio of trichloro-benzenes pyrimidine and Avermectin is 1 ︰ 25 ~ 30 ︰ 1;
The weight ratio of trichloro-benzenes pyrimidine and multiple killing teichomycin is 1 ︰ 20 ~ 25 ︰ 1;
The weight ratio of trichloro-benzenes pyrimidine and ethyl pleocidin is 1 ︰ 20 ~ 25 ︰ 1;
The weight ratio of trichloro-benzenes pyrimidine and emamectin-benzoate is 1 ︰ 15 ~ 35 ︰ 1.
4. the Pesticidal combination containing trichloro-benzenes pyrimidine and biogenic substances 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 or microcapsule suspension-suspendinagent agent.
5. the Pesticidal combination containing trichloro-benzenes pyrimidine and biogenic substances 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, cabbage caterpillar, diamond-back moth, leaf miner, leaf roller, cotton bollworm, heart-eating worm, cotton boll resemble, beet armyworm, prodenia litura, apple leaf miner, leafhopper, blister mite, pear sucker, aleyrodid, aphid or thrips.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108391666A (en) * | 2018-02-10 | 2018-08-14 | 广东绿银生物科技有限公司 | A kind of Pesticidal combination containing ethyl pleocidin and paichongding |
| CN113951268A (en) * | 2020-07-21 | 2022-01-21 | 江苏功成生物科技有限公司 | Sanitary insecticidal composition containing trifluoro-benzene pyrimidine and application thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108391666A (en) * | 2018-02-10 | 2018-08-14 | 广东绿银生物科技有限公司 | A kind of Pesticidal combination containing ethyl pleocidin and paichongding |
| CN113951268A (en) * | 2020-07-21 | 2022-01-21 | 江苏功成生物科技有限公司 | Sanitary insecticidal composition containing trifluoro-benzene pyrimidine and application thereof |
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