CN103563965B - Insecticidal composition containing propylene glycol alginate and pyrethroids - Google Patents
Insecticidal composition containing propylene glycol alginate and pyrethroids Download PDFInfo
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- CN103563965B CN103563965B CN201210257753.1A CN201210257753A CN103563965B CN 103563965 B CN103563965 B CN 103563965B CN 201210257753 A CN201210257753 A CN 201210257753A CN 103563965 B CN103563965 B CN 103563965B
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Abstract
A disclosed insecticidal composition containing propylene glycol alginate and pyrethroids contains an active component A and an active component B, wherein the active component A is propylene glycol alginate, the active component B is any one compound selected from efficient cyhalothrin, ethofenprox, bifenthrin, fenpropathrin and tefluthrine, and the weight ratio of the active component A to the active component B is 1:70-70:1. The insecticidal composition has synergic effect on multiple insects harmful to agriculture production, helps to reduce pesticide use amount, reduce pesticide residue on crops and mitigate environmental pollution, and is safe to people and livestock, good in environment compatibility and insusceptible to arousing the drug resistance in 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 propylene glycol alginate and pyrethroid.
Background technology
Propylene glycol alginate (Propylene glycol alginate) molecular formula: (C
9h
14o
7)
n, it is the emulsified suspension be made up through emulsion process of marine algae extract, has contact toxicity to insect.
Gamma cyhalothrin, ether chrysanthemum ester, Biphenthrin, fenpropathrin, tefluthrin all belong to pyrethroid insecticides, and have strong action of contace poison to insect, some kind has stomach toxicity or fumigation action concurrently, but does not all have systemic action.Its mechanism of action upsets the normal physiological of insect nerve, make it by excited, spasm is dead to benumbing.Pyrethroid is because consumption is little, working concentration is low, therefore safer to people and animals, very little to the pollution of environment.Its shortcoming is mainly high to fish toxicity, also has injury to some beneficial insect, reuses for a long time and insect also can be caused to develop immunity to drugs.
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 propylene glycol alginate and gamma cyhalothrin, ether chrysanthemum ester, Biphenthrin, fenpropathrin, tefluthrin is composite after can produce good synergistic effect, and not yet open about the relevant report that propylene glycol alginate and gamma cyhalothrin, ether chrysanthemum ester, Biphenthrin, fenpropathrin, tefluthrin 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 propylene glycol alginate and pyrethroid.
The Pesticidal combination containing propylene glycol alginate and pyrethroid that the present invention proposes contains active components A and active component B, active components A and active component B weight ratio are 1 ︰ 70 ~ 70 ︰ 1, described active components A is selected from propylene glycol alginate, active component B is selected from the one in gamma cyhalothrin, ether chrysanthemum ester, Biphenthrin, fenpropathrin, tefluthrin, and active components A and the preferred weight ratio of active component B are 1 ︰ 50 ~ 50 ︰ 1; The weight ratio being more preferably propylene glycol alginate and gamma cyhalothrin is 1 ︰ 25 ~ 25 ︰ 1, the weight ratio of propylene glycol alginate and ether chrysanthemum ester is 1 ︰ 25 ~ 15 ︰ 1, the weight ratio of propylene glycol alginate and Biphenthrin is 1 ︰ 25 ~ 25 ︰ 1, the weight ratio of propylene glycol alginate and fenpropathrin is 1 ︰ 30 ~ 10 ︰ 1, and the weight ratio of propylene glycol alginate and tefluthrin is 1 ︰ 25 ~ 25 ︰ 1; The weight ratio most preferably being propylene glycol alginate and gamma cyhalothrin is 1 ︰ 5 ~ 5 ︰ 1, the weight ratio of propylene glycol alginate and ether chrysanthemum ester is 1 ︰ 10 ~ 1 ︰ 1, the weight ratio of propylene glycol alginate and Biphenthrin is 1 ︰ 5 ~ 5 ︰ 1, the weight ratio of propylene glycol alginate and fenpropathrin is 1 ︰ 15 ~ 1 ︰ 5, and the weight ratio of propylene glycol alginate and tefluthrin is 1 ︰ 5 ~ 5 ︰ 1.
Pesticidal combination containing propylene glycol alginate and pyrethroid of the present invention 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, have a liking for crop, root crop, oil crop, flower crop, medicinal crop, crop, green manure pasture crop; Described insect comprises beet armyworm, diamond-back moth, cabbage caterpillar, leaf miner, tea lesser leafhopper, apple leaf miner, trialeurodes vaporariorum, Bemisia tabaci, rice fulgorid, rice leaf roller, peach fruit borer, aphid, cotton bollworm, pink bollworm, cotton stinkbug, thrips.
The weight ratio of active components A, active component B is 1 ︰ 70 ~ 70 ︰ 1.In usual composition, the weight percentage of active component is 0.1% ~ 90% of gross weight, is preferably 5% ~ 70%.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% ~ 70%, is preferably 10% ~ 70%.
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.
Surfactant selected by Pesticidal combination of the present invention is known in those skilled in the art: can be selected from one or more in dispersant, wetting agent, binding agent or defoamer.According to different dosage form, in preparation, disintegrant known in those skilled in the art, antifreeze etc. can also be contained.
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 etc.
Pesticidal combination of the present invention, can be processed into acceptable formulation on any agricultural chemicals 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.
Composition comprises following constituent content when making wetting powder: active components A 0.1% ~ 70%, active component B0.1% ~ 70%, dispersant 2% ~ 10%, wetting agent 2% ~ 10%, filler surplus.
Composition comprises following constituent content when making water dispersible granules: active components A 0.1% ~ 70%, active component B0.1% ~ 70%, 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 1% ~ 15%, thickener 0 ~ 2%, emulsifier 2% ~ 12%, antifreeze 0 ~ 8%, 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 component and content when making microemulsion: active components A 0.1% ~ 50%, active component B0.1% ~ 50%, emulsifier 3% ~ 25%, solvent 1% ~ 10%, antifreeze 0 ~ 8%, defoamer 0.01% ~ 2%, deionized water add to 100%.
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:
Microemulsion 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) propylene glycol alginate and gamma cyhalothrin, ether chrysanthemum ester, Biphenthrin, fenpropathrin, tefluthrin composite after, there is obvious synergy and lasting effect; (2) all greater activity is had to insect 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
Example 1 ~ 14 wetting powder
Propylene glycol alginate, 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 ~ 14 and weight portion
Example 15 ~ 28 water dispersible granules
Propylene glycol alginate, 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 15 ~ 28 and weight portion
Example 29 ~ 42 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 propylene glycol alginate, 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 29 ~ 42 and weight portion
Example 43 ~ 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 propylene glycol alginate, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained propylene glycol alginate suspending agent, then by active component B, solvent, emulsifier and the direct emulsification of various auxiliary agent high speed agitators in suspending agent, surplus deionized water is supplied, obtained suspension emulsion product of the present invention, specifically in table 4,5,6.
Each group of table 4 embodiment 43 ~ 45 and weight portion
Each group of table 5 embodiment 46 ~ 48 and weight portion
Each group of table 6 embodiment 49 ~ 51 and weight portion
Example 52 ~ 58 aqueous emulsion
Propylene glycol alginate, 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 7.
The each component of table 7 embodiment 52 ~ 58 and weight portion
Gamma cyhalothrin, ether chrysanthemum ester, Biphenthrin, fenpropathrin, tefluthrin in table 1 ~ 7 are exchanged, can novel formulation be obtained.
Example 59 ~ 61 microemulsion
Propylene glycol alginate, 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 8.
The each component of table 8 example 59 ~ 61 and content
Example 62,63 microcapsule suspending agent
By propylene glycol alginate, 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, 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 9.
Table 9 embodiment 62,63 each component and weight portion
Example 64,65 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 propylene glycol alginate, 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 10.
Table 10 embodiment 64,65 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 < 70 is antagonism, 70≤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 (take propylene glycol alginate as standard agent, its toxicity index is 100):
TI × the P of theoretical toxicity index (the TTI)=propylene glycol alginate of M
propylene glycol alginatetI × 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
propylene glycol alginatefor the ratio that propylene glycol alginate is shared in the composition
B is selected from the one in gamma cyhalothrin, ether chrysanthemum ester, Biphenthrin, fenpropathrin, tefluthrin.
Application Example two:
For examination insect: tomato trialeurodes vaporariorum
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
Experimental scheme: through effective lethal concentration scope of preliminary experiment determination propylene glycol alginate and the former medicine of gamma cyhalothrin and the two different ratio mixture.
Toxicity test result
Table 11 propylene glycol alginate and high-efficient lambda-cyhalothrin compound are to the toxicity test analysis of results table of tomato trialeurodes vaporariorum
| Reagent agent | Proportioning | LC 50(ug/mL) | Co-toxicity coefficient (CTC) |
| Propylene glycol alginate | - | 0.53 | - |
| Gamma cyhalothrin | - | 0.85 | - |
| Algae acid propylene glycol ester ︰ gamma cyhalothrin | 70∶1 | 0.29 | 183.73 |
| Algae acid propylene glycol ester ︰ gamma cyhalothrin | 50∶1 | 0.27 | 197.76 |
| Algae acid propylene glycol ester ︰ gamma cyhalothrin | 40∶1 | 0.26 | 205.74 |
| Algae acid propylene glycol ester ︰ gamma cyhalothrin | 25∶1 | 0.24 | 224.08 |
| Algae acid propylene glycol ester ︰ gamma cyhalothrin | 15∶1 | 0.23 | 235.99 |
| Algae acid propylene glycol ester ︰ gamma cyhalothrin | 5∶1 | 0.23 | 245.86 |
| Algae acid propylene glycol ester ︰ gamma cyhalothrin | 1∶1 | 0.25 | 261.16 |
| Algae acid propylene glycol ester ︰ gamma cyhalothrin | 1∶5 | 0.32 | 241.35 |
| Algae acid propylene glycol ester ︰ gamma cyhalothrin | 1∶15 | 0.35 | 234.04 |
| Algae acid propylene glycol ester ︰ gamma cyhalothrin | 1∶25 | 0.37 | 224.53 |
| Algae acid propylene glycol ester ︰ gamma cyhalothrin | 1∶40 | 0.41 | 204.32 |
| Algae acid propylene glycol ester ︰ gamma cyhalothrin | 1∶50 | 0.43 | 195.37 |
| Algae acid propylene glycol ester ︰ gamma cyhalothrin | 1∶70 | 0.46 | 183.23 |
As shown in Table 11, propylene glycol alginate and gamma cyhalothrin to tomato trialeurodes vaporariorum proportioning when 1 ︰ 70 ~ 70 ︰ 1, co-toxicity coefficient is all greater than 120, both explanations mixture in 1 ︰ 70 ~ 70 ︰ 1 scope all shows synergistic effect, when the proportioning of propylene glycol alginate and gamma cyhalothrin is at 1 ︰ 25 ~ 25 ︰ 1, synergistic effect is more obviously given prominence to, and co-toxicity coefficient is all greater than 220.Testing through applicant the optimum ratio finding propylene glycol alginate and gamma cyhalothrin is 25:1,20:1,15:1,10:1,5:1,4:1,3:1,2:1,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10,1:15,1:20,1:25, wherein when propylene glycol alginate and gamma cyhalothrin weight ratio are 1:1, co-toxicity coefficient is maximum, and synergistic effect is the most obvious.
Application Example three:
For examination insect: rice hoppers
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
Experimental scheme: through effective lethal concentration scope of preliminary experiment determination propylene glycol alginate and the former medicine of ether chrysanthemum ester and the two different ratio mixture.
Toxicity test result
Table 12 propylene glycol alginate and the composite toxicity test analysis of results table to rice hoppers of ether chrysanthemum ester
| Reagent agent | Proportioning | LC 50(ug/mL) | Co-toxicity coefficient (CTC) |
| Propylene glycol alginate | - | 0.55 | - |
| Ether chrysanthemum ester | - | 2.95 | - |
| Algae acid propylene glycol ester ︰ ether chrysanthemum ester | 70∶1 | 0.31 | 179.48 |
| Algae acid propylene glycol ester ︰ ether chrysanthemum ester | 50∶1 | 0.30 | 186.31 |
| Algae acid propylene glycol ester ︰ ether chrysanthemum ester | 30∶1 | 0.29 | 194.77 |
| Algae acid propylene glycol ester ︰ ether chrysanthemum ester | 15∶1 | 0.26 | 222.87 |
| Algae acid propylene glycol ester ︰ ether chrysanthemum ester | 5∶1 | 0.27 | 235.66 |
| Algae acid propylene glycol ester ︰ ether chrysanthemum ester | 1∶1 | 0.38 | 243.99 |
| Algae acid propylene glycol ester ︰ ether chrysanthemum ester | 1∶5 | 0.66 | 258.80 |
| Algae acid propylene glycol ester ︰ ether chrysanthemum ester | 1∶10 | 0.85 | 248.52 |
| Algae acid propylene glycol ester ︰ ether chrysanthemum ester | 1∶15 | 0.97 | 238.99 |
| Algae acid propylene glycol ester ︰ ether chrysanthemum ester | 1∶25 | 1.15 | 219.70 |
| Algae acid propylene glycol ester ︰ ether chrysanthemum ester | 1∶40 | 1.37 | 194.65 |
| Algae acid propylene glycol ester ︰ ether chrysanthemum ester | 1∶50 | 1.46 | 186.17 |
| Algae acid propylene glycol ester ︰ ether chrysanthemum ester | 1∶70 | 1.62 | 171.59 |
As shown in Table 12, propylene glycol alginate and ether chrysanthemum ester to rice hoppers proportioning when 1 ︰ 70 ~ 70 ︰ 1, co-toxicity coefficient is all greater than 120, both explanations mixture in 1 ︰ 70 ~ 70 ︰ 1 scope all shows synergistic effect, when the proportioning of propylene glycol alginate and ether chrysanthemum ester is at 1 ︰ 25 ~ 15 ︰ 1, synergistic effect is more obviously given prominence to, and co-toxicity coefficient is all greater than 219.Testing through applicant the optimum ratio finding propylene glycol alginate and ether chrysanthemum ester is 15:1,10:1,5:1,4:1,3:1,2:1,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10,1:15,1:20,1:25, wherein when propylene glycol alginate and ether chrysanthemum ester weight ratio are 1:5, co-toxicity coefficient is maximum, and synergistic effect is the most obvious.
Application Example four
For examination insect: tea tree tea lesser leafhopper
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
Experimental scheme: through effective lethal concentration scope of preliminary experiment determination propylene glycol alginate and the former medicine of Biphenthrin and the two different ratio mixture.
Table 13 propylene glycol alginate and the composite toxicity test analysis of results table to tea tree tea lesser leafhopper of Biphenthrin
| Reagent agent | Proportioning | LC 50(ug/mL) | Co-toxicity coefficient (CTC) |
| Propylene glycol alginate | - | 0.62 | - |
| Biphenthrin | - | 1.15 | - |
| Algae acid propylene glycol ester ︰ Biphenthrin | 70∶1 | 0.35 | 178.30 |
| Algae acid propylene glycol ester ︰ Biphenthrin | 50∶1 | 0.33 | 189.59 |
| Algae acid propylene glycol ester ︰ Biphenthrin | 40∶1 | 0.32 | 195.95 |
| Algae acid propylene glycol ester ︰ Biphenthrin | 25∶1 | 0.29 | 217.65 |
| Algae acid propylene glycol ester ︰ Biphenthrin | 15∶1 | 0.28 | 228.00 |
| Algae acid propylene glycol ester ︰ Biphenthrin | 5∶1 | 0.28 | 239.85 |
| Algae acid propylene glycol ester ︰ Biphenthrin | 1∶1 | 0.31 | 259.89 |
| Algae acid propylene glycol ester ︰ Biphenthrin | 1∶5 | 0.43 | 234.10 |
| Algae acid propylene glycol ester ︰ Biphenthrin | 1∶15 | 0.49 | 222.80 |
| Algae acid propylene glycol ester ︰ Biphenthrin | 1∶25 | 0.51 | 218.32 |
| Algae acid propylene glycol ester ︰ Biphenthrin | 1∶40 | 0.59 | 190.94 |
| Algae acid propylene glycol ester ︰ Biphenthrin | 1∶50 | 0.60 | 188.52 |
| Algae acid propylene glycol ester ︰ Biphenthrin | 1∶70 | 0.65 | 174.83 |
As shown in Table 13, propylene glycol alginate and Biphenthrin to tea tree tea lesser leafhopper proportioning when 1 ︰ 70 ~ 70 ︰ 1, co-toxicity coefficient is all greater than 120, both explanations mixture in 1 ︰ 70 ~ 70 ︰ 1 scope all shows synergistic effect, when the proportioning of propylene glycol alginate and Biphenthrin is at 1 ︰ 25 ~ 25 ︰ 1, synergistic effect is more obviously given prominence to, and co-toxicity coefficient is all greater than 215.Testing through applicant the optimum ratio finding propylene glycol alginate and Biphenthrin is 25:1,20:1,15:1,10:1,5:1,4:1,3:1,2:1,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10,1:15,1:20,1:25, wherein when propylene glycol alginate and Biphenthrin weight ratio are 1:1, co-toxicity coefficient is maximum, and synergistic effect is the most obvious.
Application Example five
For examination insect: Laphygma exigua Hubner
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
Experimental scheme: through effective lethal concentration scope of preliminary experiment determination propylene glycol alginate and the former medicine of fenpropathrin and the two different ratio mixture.
Table 14 propylene glycol alginate and the composite toxicity test analysis of results table to Laphygma exigua Hubner of fenpropathrin
| Reagent agent | Proportioning | LC 50(ug/mL) | Co-toxicity coefficient (CTC) |
| Propylene glycol alginate | - | 0.45 | - |
| Fenpropathrin | - | 5.12 | - |
| Algae acid propylene glycol ester ︰ fenpropathrin | 70∶1 | 0.26 | 175.33 |
| Algae acid propylene glycol ester ︰ fenpropathrin | 50∶1 | 0.25 | 183.28 |
| Algae acid propylene glycol ester ︰ fenpropathrin | 35∶1 | 0.24 | 192.37 |
| Algae acid propylene glycol ester ︰ fenpropathrin | 20∶1 | 0.23 | 204.54 |
| Algae acid propylene glycol ester ︰ fenpropathrin | 10∶1 | 0.22 | 223.04 |
| Algae acid propylene glycol ester ︰ fenpropathrin | 1∶1 | 0.35 | 236.37 |
| Algae acid propylene glycol ester ︰ fenpropathrin | 1∶5 | 0.76 | 246.80 |
| Algae acid propylene glycol ester ︰ fenpropathrin | 1∶9 | 0.97 | 259.01 |
| Algae acid propylene glycol ester ︰ fenpropathrin | 1∶15 | 1.25 | 248.44 |
| Algae acid propylene glycol ester ︰ fenpropathrin | 1∶20 | 1.46 | 234.68 |
| Algae acid propylene glycol ester ︰ fenpropathrin | 1∶30 | 1.73 | 221.71 |
| Algae acid propylene glycol ester ︰ fenpropathrin | 1∶40 | 2.04 | 200.27 |
| Algae acid propylene glycol ester ︰ fenpropathrin | 1∶50 | 2.16 | 196.94 |
| Algae acid propylene glycol ester ︰ fenpropathrin | 1∶70 | 2.37 | 188.47 |
As shown in Table 14, propylene glycol alginate and fenpropathrin to Laphygma exigua Hubner proportioning when 1 ︰ 70 ~ 70 ︰ 1, co-toxicity coefficient is all greater than 120, both explanations mixture in 1 ︰ 70 ~ 70 ︰ 1 scope all shows synergistic effect, when the proportioning of propylene glycol alginate and fenpropathrin is at 1 ︰ 30 ~ 10 ︰ 1, synergistic effect is more obviously given prominence to, and co-toxicity coefficient is all greater than 220.Testing through applicant the optimum ratio finding propylene glycol alginate and fenpropathrin is 10:1,5:1,3:1,1:1,1:3,1:5,1:6,1:7,1:8,1:9,1:10,1:11,1:12,1:13,1:14,1:15,1:16,1:17,1:18,1:19,1:20,1:30, wherein when propylene glycol alginate and fenpropathrin weight ratio are 1:9, co-toxicity coefficient is maximum, and synergistic effect is the most obvious.
Application Example six
For examination insect: eggplant thrips
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
Experimental scheme: through effective lethal concentration scope of preliminary experiment determination propylene glycol alginate and the former medicine of tefluthrin and the two different ratio mixture.
Table 15 propylene glycol alginate and the composite toxicity test analysis of results table to eggplant thrips of tefluthrin
| Reagent agent | Proportioning | LC 50(ug/mL) | Co-toxicity coefficient (CTC) |
| Propylene glycol alginate | - | 0.55 | - |
| Tefluthrin | - | 1.25 | - |
| Algae acid propylene glycol ester ︰ tefluthrin | 70∶1 | 0.31 | 178.83 |
| Algae acid propylene glycol ester ︰ tefluthrin | 50∶1 | 0.29 | 191.76 |
| Algae acid propylene glycol ester ︰ tefluthrin | 40∶1 | 0.28 | 199.15 |
| Algae acid propylene glycol ester ︰ tefluthrin | 25∶1 | 0.25 | 224.84 |
| Algae acid propylene glycol ester ︰ tefluthrin | 15∶1 | 0.24 | 237.48 |
| Algae acid propylene glycol ester ︰ tefluthrin | 5∶1 | 0.24 | 252.76 |
| Algae acid propylene glycol ester ︰ tefluthrin | 1∶1 | 0.28 | 272.82 |
| Algae acid propylene glycol ester ︰ tefluthrin | 1∶5 | 0.40 | 257.81 |
| Algae acid propylene glycol ester ︰ tefluthrin | 1∶15 | 0.49 | 236.31 |
| Algae acid propylene glycol ester ︰ tefluthrin | 1∶25 | 0.53 | 224.84 |
| Algae acid propylene glycol ester ︰ tefluthrin | 1∶40 | 0.59 | 205.49 |
| Algae acid propylene glycol ester ︰ tefluthrin | 1∶50 | 0.63 | 193.58 |
| Algae acid propylene glycol ester ︰ tefluthrin | 1∶70 | 0.65 | 188.92 |
As shown in Table 15, propylene glycol alginate and tefluthrin to eggplant thrips proportioning when 1 ︰ 70 ~ 70 ︰ 1, co-toxicity coefficient is all greater than 120, both explanations mixture in 1 ︰ 70 ~ 70 ︰ 1 scope all shows synergistic effect, when the proportioning of propylene glycol alginate and tefluthrin is at 1 ︰ 25 ~ 25 ︰ 1, synergistic effect is more obviously given prominence to, and co-toxicity coefficient is all greater than 220.Testing through applicant the optimum ratio finding propylene glycol alginate and tefluthrin is 25:1,20:1,15:1,10:1,5:1,4:1,3:1,2:1,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10,1:15,1:20,1:25, wherein when propylene glycol alginate and tefluthrin weight ratio are 1:1, co-toxicity coefficient is maximum, and synergistic effect is the most obvious.
Through test find: propylene glycol alginate and active component B composite after have obvious synergistic effect to the control of the beet armyworm in various crop, diamond-back moth, cabbage caterpillar, leaf miner, tea lesser leafhopper, apple leaf miner, trialeurodes vaporariorum, Bemisia tabaci, rice fulgorid, rice leaf roller, peach fruit borer, aphid, cotton bollworm, pink bollworm, cotton stinkbug, thrips, co-toxicity coefficient is all more than 120.
Effect experiment part: test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., provided, contrast medicament 0.12% propylene glycol alginate soluble concentrate (autogamy), 25 grams per liter efficient cyhalothrin emulsifiable concentrates (commercial), 10% ether chrysanthemum ester suspending agent (commercial), 100 grams per liter Biphenthrin missible oil (commercial), 20% fenpropathrin milk oil (commercial), 10% tefluthrin missible oil (autogamy).
Application Example seven propylene glycol alginate and active component B and the composite control tomato trialeurodes vaporariorum test of pesticide effectiveness thereof
This test arrangement is at Xian District, Shanxi Province suburban area, and investigation tomato trialeurodes vaporariorum 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 propylene glycol alginate and active component B and the composite control tomato trialeurodes vaporariorum test of pesticide effectiveness thereof
As can be seen from Table 16, propylene glycol alginate and active component B composite after can effectively prevent and treat tomato trialeurodes vaporariorum, through inventor test prove propylene glycol alginate and active component B composite after also effectively can prevent and treat Bemisia tabaci, 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 eight propylene glycol alginate and active component B and the composite control tea tree tea lesser leafhopper test of pesticide effectiveness thereof
This test arrangement is in suburb, Ya'an, Sichuan Province, and investigation tea tree tea lesser leafhopper 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 propylene glycol alginate and active component B and the composite control tea tree tea lesser leafhopper test of pesticide effectiveness thereof
As can be seen from Table 17, propylene glycol alginate and active component B composite after can effectively prevent and treat tea tree tea lesser leafhopper, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example nine propylene glycol alginate 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, 3 days, 7 days, 15 days investigation insect pest indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 18 propylene glycol alginate and active component B and the composite control brassicaceous vegetable beet armyworm test of pesticide effectiveness thereof
As can be seen from Table 18, propylene glycol alginate and active component B and composite control brassicaceous vegetable beet armyworm thereof, through inventor test prove propylene glycol alginate and active component B composite after also can effectively prevent and treat diamond-back moth, cabbage caterpillar.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 ten propylene glycol alginate and active component B and the composite control cotton aphid test of pesticide effectiveness thereof
This test arrangement is in Weinan City Dali County, Shaanxi Province, and investigation cotton aphid 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 19 propylene glycol alginate and active component B and the composite control cotton aphid test of pesticide effectiveness thereof
As can be seen from Table 19, propylene glycol alginate and active component B composite after effectively can prevent and treat cotton aphid, through inventor test prove propylene glycol alginate and active component B composite after also effectively can prevent and treat cotton bollworm, pink bollworm, cotton stinkbug, 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 11 propylene glycol alginate and active component B and the composite control mandarin tree leaf miner test of pesticide effectiveness thereof
This test arrangement is in Hanzhong City suburb, Shaanxi Province, and investigation mandarin tree leaf miner 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 20 propylene glycol alginate and active component B and the composite control mandarin tree leaf miner test of pesticide effectiveness thereof
As can be seen from Table 20, propylene glycol alginate and active component B composite after can effectively prevent and treat mandarin tree leaf miner, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example 12 propylene glycol alginate and active component B and the composite control apple peach fruit borer test of pesticide effectiveness thereof
This test arrangement is in Weinan City Pucheng County, Shaanxi Province, and investigation apple peach fruit borer 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 21 propylene glycol alginate and active component B and the composite control apple peach fruit borer test of pesticide effectiveness thereof
As can be seen from Table 21, propylene glycol alginate and active component B composite after can effectively prevent and treat apple peach fruit borer, through inventor test prove propylene glycol alginate and active component B composite after also effectively can prevent and treat apple 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.
After draw through tests different local throughout the country, propylene glycol alginate and gamma cyhalothrin, ether chrysanthemum ester, Biphenthrin, fenpropathrin, the composite rear preventive effect to common insect pests such as the beet armyworm in various crop, diamond-back moth, cabbage caterpillar, leaf miner, tea lesser leafhopper, apple leaf miner, trialeurodes vaporariorum, Bemisia tabaci, rice fulgorid, rice leaf roller, peach fruit borer, aphid, cotton bollworm, pink bollworm, cotton stinkbug, thrips of tefluthrin are all more than 95%, be better than single dose preventive effect, synergistic effect is obvious.
Claims (4)
1. one kind contains the Pesticidal combination of propylene glycol alginate and pyrethroid, it is characterized in that: active ingredient is active components A and active component B, described active components A is propylene glycol alginate, active component B is selected from the one in gamma cyhalothrin, ether chrysanthemum ester, Biphenthrin, fenpropathrin, tefluthrin, and wherein the weight ratio of propylene glycol alginate and gamma cyhalothrin is 1 ︰ 25 ~ 25 ︰ 1;
The weight ratio of propylene glycol alginate and ether chrysanthemum ester is 1 ︰ 25 ~ 15 ︰ 1;
The weight ratio of propylene glycol alginate and Biphenthrin is 1 ︰ 25 ~ 25 ︰ 1;
The weight ratio of propylene glycol alginate and fenpropathrin is 1 ︰ 30 ~ 10 ︰ 1;
The weight ratio of propylene glycol alginate and tefluthrin is 1 ︰ 25 ~ 25 ︰ 1.
2. the Pesticidal combination containing propylene glycol alginate and pyrethroid according to claim 1, 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.
3. the Pesticidal combination containing propylene glycol alginate and pyrethroid according to claim 2 is for preventing and treating the purposes of insect on crops.
4. purposes according to claim 3, is characterized in that: described insect comprises beet armyworm, diamond-back moth, cabbage caterpillar, leaf miner, tea lesser leafhopper, apple leaf miner, trialeurodes vaporariorum, Bemisia tabaci, rice fulgorid, rice leaf roller, peach fruit borer, aphid, cotton bollworm, pink bollworm, cotton stinkbug, thrips.
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