CN101836641A - Oil-suspending agent disinfestation composition containing spinosyns and emamectin benzoate - Google Patents
Oil-suspending agent disinfestation composition containing spinosyns and emamectin benzoate Download PDFInfo
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- CN101836641A CN101836641A CN 201010185933 CN201010185933A CN101836641A CN 101836641 A CN101836641 A CN 101836641A CN 201010185933 CN201010185933 CN 201010185933 CN 201010185933 A CN201010185933 A CN 201010185933A CN 101836641 A CN101836641 A CN 101836641A
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- 239000000203 mixture Substances 0.000 title claims abstract description 37
- 239000000375 suspending agent Substances 0.000 title claims abstract description 34
- CXEGAUYXQAKHKJ-NSBHKLITSA-N emamectin B1a Chemical compound C1=C[C@H](C)[C@@H]([C@@H](C)CC)O[C@]11O[C@H](C\C=C(C)\[C@@H](O[C@@H]2O[C@@H](C)[C@H](O[C@@H]3O[C@@H](C)[C@H](NC)[C@@H](OC)C3)[C@@H](OC)C2)[C@@H](C)\C=C\C=C/2[C@]3([C@H](C(=O)O4)C=C(C)[C@@H](O)[C@H]3OC\2)O)C[C@H]4C1 CXEGAUYXQAKHKJ-NSBHKLITSA-N 0.000 title abstract 4
- 229930185156 spinosyn Natural products 0.000 title abstract 4
- 241000500437 Plutella xylostella Species 0.000 claims abstract description 21
- 241000238631 Hexapoda Species 0.000 claims abstract description 18
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- 238000002360 preparation method Methods 0.000 claims abstract description 7
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- 241000256247 Spodoptera exigua Species 0.000 claims abstract description 6
- 108010053950 Teicoplanin Proteins 0.000 claims description 35
- BJNLLBUOHPVGFT-QRZIFLFXSA-N teichomycin Chemical compound CCCCCCCCCC(=O)N[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC(C(=C1)OC=2C(=CC(=CC=2)[C@@H](O[C@H]2[C@@H]([C@@H](O)[C@H](O)[C@@H](CO)O2)NC(C)=O)[C@H]2C(N[C@H](C3=CC(O)=CC(O[C@@H]4[C@H]([C@@H](O)[C@H](O)[C@@H](CO)O4)O)=C3C=3C(O)=CC=C(C=3)[C@@H](NC3=O)C(=O)N2)C(O)=O)=O)Cl)=C(OC=2C(=CC(C[C@H](C(N4)=O)NC(=O)[C@H](N)C=5C=C(O6)C(O)=CC=5)=CC=2)Cl)C=C1[C@H]3NC(=O)[C@@H]4C1=CC6=CC(O)=C1 BJNLLBUOHPVGFT-QRZIFLFXSA-N 0.000 claims description 35
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- CEGOLXSVJUTHNZ-UHFFFAOYSA-K aluminium tristearate Chemical compound [Al+3].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CEGOLXSVJUTHNZ-UHFFFAOYSA-K 0.000 description 1
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- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
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- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
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Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention belongs to the field of pesticide compositions, and in particular relates to an oil-suspending agent disinfestation composition which takes spinosyns and emamectin benzoate as effective components. The oil-suspending agent disinfestations composition is mainly applied to prevention and treatment of damages caused by insects including rice cnaphalocrocis medinalis, vegetable plutella xylostella, beet armyworm and the like. The oil-suspending agent disinfestations composition is characterized in that: (1) the composition comprises effective components of the spinosyns and the emamectin benzoate, and the rest components are acceptable auxiliary components which are allowed to be used in the pesticide; and (2) the mass proportion of the spinosyns to the emamectin benzoate is 1:50-50:1, preferably 1:4-4:1; and the effective components account for 1-50 percent, preferentially 2.5-35 percent, by weight percentage in the preparation. The oil-suspending agent disinfestations composition has the advantages that the drug characteristics are complementary to each other in advantages, and one drug can prevent and treat various kinds of crop insect damages so as to be convenient for farmers to apply the drug; the drug resistance of destructive insects are retarded, which is of significance to the resistance and the comprehensive treatment to destructive insects; and the composition has the advantages of synergy, favorable permeability, strong adhesivity, evaporation resistance, storage resistance and the like, reduces the dosage and improves the disinfestation effect.
Description
Technical field
The invention belongs to the composition pesticide field, is the oil-suspending agent disinfestation composition of active ingredient with multiple killing teichomycin and emamectin-benzoate specifically, is mainly used in the control of paddy rice rice leaf roller and insect pests such as vegetables diamond-back moth, beet armyworm.
Background technology
Multiple killing teichomycin (Spinosad) is the insecticide of a kind of low toxicity, efficient, wide spectrum, low-residual, insect is had tag fast and stomach poison function, and blade is had stronger osmosis, can the effectively preventing Lepidoptera, diptera and thrips insect.Be suitable for using on vegetables, fruit tree, gardening, the crops.Emamectin-benzoate (Emamectinbenzoate, be called for short first dimension salt) be efficient pesticides of new generation, have super-high-efficient, wide, the noresidue of action spectrum, characteristics such as nuisanceless, active high to the larva of lepidopterous insects and other many insects and mite class, the double again action of contace poison of existing stomach poison function has the incomparable activity of other agricultural chemicals to a lot of insects.
Rice leaf roller and diamond-back moth, beet armyworm etc. are respectively the important pests on paddy rice and the vegetables, in agricultural production, because the insecticide of a certain type of the long-term single use of people makes these insects produce pesticide resistance to a lot of common insecticides.Because the novel pesticide construction cycle is long, expense is high, and it is composite to utilize existing agricultural chemicals to carry out, and can delay the generation of pest resistance to insecticide, improves actual preventive effect, enlarges insecticidal spectrum and reduces drug cost, is the important means of integrated pest control.Multiple killing teichomycin and first dimension salt are the main medicaments of preventing and treating insects such as rice leaf roller, diamond-back moth and beet armyworm at present, by evidence, the two composite control efficiency is better than the control efficiency of single drug, and does not see any report as yet about the two composite oil-suspending agent example at present.
Oil-suspending agent is the high dispersive that forms in non-water system dispersate of one or more pesticide active ingredients, stable suspension system.With formulation ratios such as aqueous suspension agent, wetting powder, water dispersible granules, advantages such as synergy, good penetrability, adhesiveness are strong, anti-evaporating, storage tolerance that it has.
The objective of the invention is to rationally be mixed by multiple killing teichomycin and first dimension salt, obtain a kind of insect pest especially paddy rice rice leaf roller and vegetables diamond-back moth, beet armyworm etc. that is used to prevent and treat on the agricultural, reduce pest resistance to insecticide, reduce dosage, reduce the oil-suspending agent composition of peasant's drug cost.
Summary of the invention
The present invention ties up the composite oil-suspending agent disinfestation composition that forms of salt for a kind of by multiple killing teichomycin and first.By indoor composite toxicity test, the screening of mixture preparation prescription and field control effectiveness test, clear and definite the two rational formula, the mass ratio that is multiple killing teichomycin and first dimension salt was at 1: 50~50: 1, the preferred mass ratio was at 1: 4~4: 1, the mass percentage content of active ingredient in preparation is 1%~50%, the preferred mass degree is 2.5%~35%, and all the other are to allow in the agricultural chemicals to use and the acceptable auxiliary element.Under better formula, paddy rice rice leaf roller and the control of vegetables diamond-back moth are reached effect preferably.
The present invention is achieved in that indoor composite toxicity test test medicine adopts former medicine of 90% multiple killing teichomycin and the former medicine of 65% first dimension salt, and the matched proportion density according to setting is mixed with the desired concn soup, and is standby.With reference to pesticide indoor bioassay test rule (agricultural industry criteria NY/T1154.14-2008), leaf dipping method is adopted in test.Rice leaf roller: an amount of rice leaf is dipped in 15s in the soup, takes out in the ventilation and dry in the shade naturally, be put in the culture dish of diameter 9cm, connect 15/ware of rice leaf roller 3 instar larvaes, loam cake one filter paper is added a cover mark.If clear water is handled contrast, every processing repeats 4 times.Be put in 27 ℃, in the observation ward of 14h illumination, check result behind the 3d.Diamond-back moth: cabbage leaves is broken into circular leaf dish (Φ 2cm) with card punch, be dipped in 15s in the soup, put into the culture dish that is lined with blotting paper, 6 in every ware dries.Connect 15/ware of diamond-back moth larva in 2 mid-term in age, place in the observation ward.If clear water repeats check result behind the 3d 4 times for contrast, every processing.Touch polypide with writing brush, reactionlessly be considered as dead worm.
Add up borer population alive and total borer population of each processing, each lethality handled of calculating and corrected mortality (Abbott ' the s formula); Carry out the data analysis statistics with " DPS data handling system " V6.55 professional version, obtain regression line, LC
50Value.Calculate toxicity index with the abundant method of Sun Yun (Sun etc., 1960), and calculate co-toxicity coefficient.
The content of toxicity index * A that theory is used toxicity index (TTI)=A with in using with (℃)
The content of toxicity index * B of+B in using with (℃)
If co-toxicity coefficient is greater than 120, and showing has synergistic effect; If less than 80, be indicated as antagonism; If, be indicated as summation action greater than 80 less than 120.
Be mixed Toxicity Determination to rice leaf roller and diamond-back moth of the different proportionings of multiple killing teichomycin and first dimension salt the results are shown in Table 1 and table 2.
Table 1 multiple killing teichomycin is mixed to rice leaf roller toxicity test result with first dimension salt and different proportioning
Medicament | Regression line | Correlation coefficient | ??LC 50And 95% confidence limit (mg/L) | Co-toxicity coefficient | Conclusion |
Multiple killing teichomycin A | ??Y=3.5878+1.6516X | ??0.9781 | ??7.1621??(5.7485~9.3181) | ??- | ??- |
First dimension salt B | ??Y=7.6321+2.0059X | ??0.9816 | ??0.0487??(0.0403~0.0588) | ??- | ??- |
??A∶B=0.5∶4.5 | ??Y=7.6599+1.9449X | ??0.9941 | ??0.0429??(0.0350~0.0518) | ??126.04 | Synergy |
??A∶B=1.0∶4.0 | ??Y=7.6771+2.0056X | ??0.9871 | ??0.0463??(0.0381~0.0557) | ??131.26 | Synergy |
Medicament | Regression line | Correlation coefficient | ??LC 50And 95% confidence limit (mg/L) | Co-toxicity coefficient | Conclusion |
??A∶B=1.5∶3.5 | ??Y=7.4892+1.9300X | ??0.9951 | ??0.0513??(0.0423~0.0624) | ??135.22 | Synergy |
??A∶B=2.0∶3.0 | ??Y=7.2710+1.8521X | ??0.9918 | ??0.0594??(0.0488~0.0736) | ??136.03 | Synergy |
??A∶B=2.5∶2.5 | ??Y=7.1017+1.8445X | ??0.9908 | ??0.0725??(0.0593~0.0923) | ??133.44 | Synergy |
??A∶B=3.0∶2.0 | ??Y=6.8364+1.7562X | ??0.9924 | ??0.0900??(0.0718~0.1209) | ??133.91 | Synergy |
??A∶B=3.5∶1.5 | ??Y=6.7391+1.8698X | ??0.9901 | ??0.1175??(0.0959~0.1430) | ??136.00 | Synergy |
??A∶B=4.0∶1.0 | ??Y=6.3255+1.8041X | ??0.9930 | ??0.1842??(0.1498~0.2362) | ??128.69 | Synergy |
??A∶B=4.5∶0.5 | ??Y=5.8308+1.8006X | ??0.9924 | ??0.3456??(0.2598~0.5287) | ??132.79 | Synergy |
Table 2 multiple killing teichomycin is mixed to diamond-back moth toxicity test result with first dimension salt and different proportioning
Medicament | Regression line | Correlation coefficient | ??LC 50And 95% confidence limit (mg/L) | Co-toxicity coefficient | Conclusion |
Kill mould rope A more | ??Y=6.1718+1.9645X | ??0.9909 | ??0.2532??(0.2091~0.3070) | ??- | ??- |
First dimension salt B | ??Y=7.7809+1.6451X | ??0.9933 | ??0.0204??(0.0160~0.0253) | ??- | ??- |
??A∶B=0.5∶4.5 | ??Y=7.4783+1.4823X | ??0.9807 | ??0.0213??(0.0164~0.0270) | ??105.47 | Addition |
Medicament | Regression line | Correlation coefficient | ??LC 50And 95% confidence limit (mg/L) | Co-toxicity coefficient | Conclusion |
??A∶B=1.0∶4.0 | ??Y=8.3934+2.0112X | ??0.9921 | ??0.0205??(0.0168~0.0247) | ??121.93 | Synergy |
??A∶B=1.5∶3.5 | ??Y=8.0800+1.8362X | ??0.9896 | ??0.0210??(0.0169~0.0256) | ??134.14 | Synergy |
??A∶B=2.0∶3.0 | ??Y=7.9586+1.8393X | ??0.9854 | ??0.0246??(0.0201~0.0301) | ??131.17 | Synergy |
??A∶B=2.5∶2.5 | ??Y=7.9320+1.8872X | ??0.9961 | ??0.0279??(0.0230~0.0343) | ??135.33 | Synergy |
??A∶B=3.0∶2.0 | ??Y=7.5353+1.7281X | ??0.9958 | ??0.0341??(0.0276~0.0436) | ??133.43 | Synergy |
??A∶B=3.5∶1.5 | ??Y=7.0590+1.5223X | ??0.9955 | ??0.0444??(0.0346~0.0618) | ??128.92 | Synergy |
??A∶B=4.0∶1.0 | ??Y=6.7791+1.4747X | ??0.9982 | ??0.0622??(0.0490~0.0813) | ??124.02 | Synergy |
??A∶B=4.5∶0.5 | ??Y=6.4383+1.4410X | ??0.9983 | ??0.1004??(0.0764~0.1474) | ??117.78 | Addition |
As can be seen, multiple killing teichomycin and first dimension salt is mixed from table 1 and table 2, and in mass ratio was 1.0: 4.0~4.0: 1.0 scopes, the two was mixed rice leaf roller and diamond-back moth are all shown as synergistic effect, shows that the two is mixed and has its scientific rationality.
Present composition formulation is an oil-suspending agent.Active ingredient is multiple killing teichomycin and first dimension salt, the auxiliary substance that uses comprises that solvent, emulsifier, dispersant, thickener etc. and other are of value to the known substance that active ingredient is stablized and drug effect is brought into play in preparation, all be the various compositions of using or allow use in the pesticidal preparations always, be not particularly limited.
In the oil-suspending agent composition, the shared mass percent of active ingredient multiple killing teichomycin is 1%~25%, and the shared mass percent of active ingredient first dimension salt is 0.1%~20%
Described solvent comprises vegetable oil, as soybean oil, rapeseed oil, cottonseed oil, Semen Ricini oil, turpentine oil, concentrated cooked food oil, sunflower wet goods, mineral oil, as diesel oil, machine oil, repefral, the senior aliphatic hydrocarbon wet goods of methyl naphthalene and mixed solvent thereof, and any one or any two the mixture in the solvent known in the field.
Described emulsifier comprises any one or any two the mixture in this dish S-80, tween T-80 etc. and nonionic known in the field and the anionic emulsifier, and total consumption is 3%~10%.
Described dispersant comprises fatty alcohol polyoxy ethyl ether, NONYL PHENOL POLYOXYETHYLENE, draws back any one or any two the mixture in powder, NNO, sodium lignin sulfonate etc. and the dispersant known in the field, and total consumption is 3%~10%.
Described thickener comprises natural and synthetic, and as in organic bentonite, xanthans, gum Arabic, long jiao powder, calcium stearate, aluminum stearate, aluminium-magnesium silicate etc. and the dispersant known in the field any one, total consumption is 0.1%~5%.
The present invention has following remarkable result and advantage: the one, and the medicament characteristic has obtained mutual supplement with each other's advantages, and a kind of medicament can be prevented and treated the various crop insect pest, makes things convenient for peasant's medication; The 2nd, delayed the pesticide resistance of insect, significant to the resistance and the comprehensive regulation of insect; The 3rd, have advantages such as synergy, good penetrability, adhesiveness are strong, anti-evaporating, storage tolerance, reduce dosage, improved insecticidal effect.
Embodiment
In order to understand invention essence better, describe the technology contents of invention below in detail with example, but the purposes of preventing and treating of the present invention is not limited thereto.Percentage in the following example is the mass percent in the preparation.
Embodiment 1:2.5% multiple killing teichomycin first dimension salt oil-suspending agent
Multiple killing teichomycin 2.0%
First dimension salt 0.5%
Emulsifier (this coils S-80) 6%
Emulsifier (tween T-80) 2%
Dispersant (fatty alcohol polyoxy ethyl ether AEO-3) 6%
Dispersant (NONYL PHENOL POLYOXYETHYLENE NP-7) 3%
Organobentonite 3.5%
Soybean salad oil 35%
The oleic acid formicester is supplemented to 100%
By the prescription requirement, with soybean salad oil, oleic acid formicester is medium, former medicine and auxiliary material such as dispersant, emulsifier are joined in the high-shear emulsion machine, after high-shear emulsion machine is mixed, in sand mill sand milling 2-3 time, make oil-suspending agent,, measure packing and get product through after the assay was approved.
Use these mixture 30~40 gram/mus to convert water even spraying control rice leaf roller, 3 days control efficiency reach 86.5%~91.3% behind the medicine, and 7 days control efficiency reach 92.7%~95.1% behind the medicine; Use these mixture 30~40 gram/mus to convert water even spraying control diamond-back moth, 3 days control efficiency reach 92.9%~95.4% behind the medicine, and 7 days control efficiency reach 100% behind the medicine.
Embodiment 2:5% multiple killing teichomycin first dimension salt oil-suspending agent
Multiple killing teichomycin 1.5%
First dimension salt 3.5%
Emulsifier (this coils S-80) 6%
Emulsifier (tween T-80) 2%
Dispersant (fatty alcohol polyoxy ethyl ether AEO-3) 6%
Dispersant (NONYL PHENOL POLYOXYETHYLENE NP-7) 4%
Organobentonite 3%
Soybean salad oil 35%
The oleic acid formicester is supplemented to 100%
By the prescription requirement, with soybean salad oil, oleic acid formicester is medium, former medicine and auxiliary material such as dispersant, emulsifier are joined in the high-shear emulsion machine, after high-shear emulsion machine is mixed, in sand mill sand milling 2-3 time, make oil-suspending agent,, measure packing and get product through after the assay was approved.
Use these mixture 20~30 gram/mus to convert water even spraying control rice leaf roller, 3 days control efficiency reach 88.7%~91.8% behind the medicine, and 7 days control efficiency reach 94.4%~96.6% behind the medicine; Use these mixture 20~30 gram/mus to convert water even spraying control diamond-back moth, 3 days control efficiency reach 92.5%~95.7% behind the medicine, and 7 days control efficiency reach 100% behind the medicine.
Embodiment 3:10% multiple killing teichomycin first dimension salt oil-suspending agent
Multiple killing teichomycin 5%
First dimension salt 5%
Emulsifier (this coils S-80) 6%
Emulsifier (tween T-80) 3%
Dispersant (fatty alcohol polyoxy ethyl ether AEO-3) 6%
Dispersant (NONYL PHENOL POLYOXYETHYLENE NP-7) 4%
Organobentonite 2.5%
Soybean salad oil 30%
The oleic acid formicester is supplemented to 100%
By the prescription requirement, with soybean salad oil, oleic acid formicester is medium, former medicine and auxiliary material such as dispersant, emulsifier are joined in the high-shear emulsion machine, after high-shear emulsion machine is mixed, in sand mill sand milling 2-3 time, make oil-suspending agent,, measure packing and get product through after the assay was approved.
Use these mixture 15~20 gram/mus to convert water even spraying control rice leaf roller, 3 days control efficiency reach 91.4%~93.9% behind the medicine, and 7 days control efficiency reach 94.7%~96.5% behind the medicine; Use these mixture 10~15 gram/mus to convert water even spraying control diamond-back moth, 3 days control efficiency reach 92.4%~96.7% behind the medicine, and 7 days control efficiency reach 100% behind the medicine.
Embodiment 4:15% multiple killing teichomycin first dimension salt oil-suspending agent
Multiple killing teichomycin 10%
First dimension salt 5%
Emulsifier (this coils S-80) 6%
Emulsifier (tween T-80) 3%
Dispersant (fatty alcohol polyoxy ethyl ether AEO-3) 5%
Dispersant (NONYL PHENOL POLYOXYETHYLENE NP-7) 5%
Organobentonite 2%
Soybean salad oil 30%
The oleic acid formicester is supplemented to 100%
By the prescription requirement, with soybean salad oil, oleic acid formicester is medium, former medicine and auxiliary material such as dispersant, emulsifier are joined in the high-shear emulsion machine, after high-shear emulsion machine is mixed, in sand mill sand milling 2-3 time, make oil-suspending agent,, measure packing and get product through after the assay was approved.
Use these mixture 10~15 gram/mus to convert water even spraying control rice leaf roller, 3 days control efficiency reach 91.9%~93.7% behind the medicine, and 7 days control efficiency reach 94.6%~96.8% behind the medicine; Use these mixture 10~15 gram/mus to convert water even spraying control diamond-back moth, 3 days control efficiency reach 94.7%~97.3% behind the medicine, and 7 days control efficiency reach 100% behind the medicine.
Embodiment 5:20% multiple killing teichomycin first dimension salt oil-suspending agent
Multiple killing teichomycin 10%
First dimension salt 10%
Emulsifier (this coils S-80) 6%
Emulsifier (tween T-80) 4%
Dispersant (fatty alcohol polyoxy ethyl ether AEO-3) 5%
Dispersant (NONYL PHENOL POLYOXYETHYLENE NP-7) 5%
Organobentonite 1.5%
Soybean salad oil 30%
The oleic acid formicester is supplemented to 100%
By the prescription requirement, with soybean salad oil, oleic acid formicester is medium, former medicine and auxiliary material such as dispersant, emulsifier are joined in the high-shear emulsion machine, after high-shear emulsion machine is mixed, in sand mill sand milling 2-3 time, make oil-suspending agent,, measure packing and get product through after the assay was approved.
Use these mixture 10~15 gram/mus to convert water even spraying control rice leaf roller, 3 days control efficiency reach 92.7%~94.5% behind the medicine, and 7 days control efficiency reach 94.6%~97.8% behind the medicine; Use these mixture 10~15 gram/mus to convert water even spraying control diamond-back moth, 3 days control efficiency reach 95.2%~98.1% behind the medicine, and 7 days control efficiency reach 100% behind the medicine.
Embodiment 6:35% multiple killing teichomycin first dimension salt oil-suspending agent
Multiple killing teichomycin 20%
First dimension salt 15%
Emulsifier (this coils S-80) 6%
Emulsifier (tween T-80) 4%
Dispersant (fatty alcohol polyoxy ethyl ether AEO-3) 6%
Dispersant (NONYL PHENOL POLYOXYETHYLENE NP-7) 6%
Organobentonite 1%
Soybean salad oil 25%
The oleic acid formicester is supplemented to 100%
By the prescription requirement, with soybean salad oil, oleic acid formicester is medium, former medicine and auxiliary material such as dispersant, emulsifier are joined in the high-shear emulsion machine, after high-shear emulsion machine is mixed, in sand mill sand milling 2-3 time, make oil-suspending agent,, measure packing and get product through after the assay was approved.
Use these mixture 5~10 gram/mus to convert water even spraying control rice leaf roller, 3 days control efficiency reach 93.1%~95.8% behind the medicine, and 7 days control efficiency reach 95.3%~97.3% behind the medicine; Use these mixture 5~10 gram/mus to convert water even spraying control diamond-back moth, 3 days control efficiency reach 97.1%~98.7% behind the medicine, and 7 days control efficiency reach 100% behind the medicine.
Comparative example 1
2.5% multiple killing teichomycin aqueous suspension agent
Multiple killing teichomycin 2.5%
Emulsifier (700#) 3%
Suspending agent (white carbon black) 2%
Dispersant NNO 3%
Antifreezing agent (ethylene glycol) 5%
Thickener (xanthans) 0.2%
Deionized water is supplemented to 100%
By the prescription requirement, be medium with water, former medicine, dispersant, suspending agent and antifreezing agent etc. are joined in the high-shear emulsion machine, after high-shear emulsion machine is mixed,, make aqueous suspension agent in sand mill sand milling 2-3 time, through after the assay was approved, measure packing and get product.
Use these list agent 80~100 gram/mus to convert water even spraying control rice leaf roller, 3 days control efficiency reach 80.7%~83.8% behind the medicine, and 7 days control efficiency reach 84.2%~87.6% behind the medicine; Use these list agent 40~50 gram/mus to convert water even spraying control diamond-back moth, 3 days control efficiency reach 88.9%~91.5% behind the medicine, and 7 days control efficiency reach 92.6%~95.3% behind the medicine.
Comparative example 2
5% emamectin benzoate water dispersible granule
First dimension salt 5%
Dispersant (D-425) 5%
Draw back powder 3%
Disintegrant sodium bicarbonate 3%
Kaolin is supplemented to 100%
By the prescription requirement, former medicine, dispersant, wetting agent, disintegrant, filler etc. are mixed through comminution by gas stream become wetting powder, add suitable quantity of water then and carry out granulation and obtain water dispersible granules.
Use these list agent 15~20 gram/mus to convert water even spraying control rice leaf roller, 3 days control efficiency reach 89.2%~92.1% behind the medicine, and 7 days control efficiency reach 93.6%~95.5% behind the medicine; Use these list agent 15~20 gram/mus to convert water even spraying control diamond-back moth, 3 days control efficiency reach 82.4%~86.2% behind the medicine, and 7 days control efficiency reach 88.3%~91.7% behind the medicine.
Comparative example 3
20% multiple killing teichomycin emamectin benzoate water suspending agent
Multiple killing teichomycin 10%
First dimension salt 10%
Draw back powder 2%
Dispersant NNO 4%
Antifreezing agent (ethylene glycol) 5%
Thickener (xanthans) 0.3%
Deionized water is supplemented to 100%
By the prescription requirement, be medium with water, former medicine, dispersant, wetting agent and antifreezing agent etc. are joined in the high-shear emulsion machine, after high-shear emulsion machine is mixed,, make aqueous suspension agent in sand mill sand milling 2-3 time, through after the assay was approved, measure packing and get product.
Use these mixture 10~15 gram/mus to convert water even spraying control rice leaf roller, 3 days control efficiency reach 90.5%~92.6% behind the medicine, and 7 days control efficiency reach 91.8%~95.3% behind the medicine; Use these mixture 10~15 gram/mus to convert water even spraying control diamond-back moth, 3 days control efficiency reach 93.2%~96.4% behind the medicine, and 7 days control efficiency reach 99.1%~100% behind the medicine.
By the foregoing description and comparative example as can be known, oil-suspending agent of making after multiple killing teichomycin and first dimension salt are mixed and single drug and the contrasts such as aqueous suspension agent that are mixed, oil-suspending agent after the two is composite has obvious synergistic effect to insect, control efficiency to insect is remarkable, and reduced dosage, reduced drug cost.
Claims (3)
1. oil-suspending agent disinfestation composition efficiently, it is characterized in that: (1) contains active ingredient multiple killing teichomycin and emamectin-benzoate (first dimension salt), and all the other are to allow in the agricultural chemicals to use and the acceptable auxiliary element; (2) mass ratio of multiple killing teichomycin and emamectin-benzoate was at 1: 50~50: 1, the preferred mass ratio was at 1: 4~4: 1, the mass percentage content of active ingredient in preparation is 1%~50%, and the preferred mass degree is 2.5%~35%.
2. oil-suspending agent according to claim 1 is characterized in that the mass percent of each component is:
Multiple killing teichomycin 1%~25%
Emamectin-benzoate 0.1%~20%
Emulsifier 3%~10%
Dispersant 3%~10%
Thickener 0.1%~5%
Solvent naphtha complements to 100%
3. according to the purposes of the described oil-suspending agent of claim 1-2, it is characterized in that: this oil-suspending agent is used to prevent and treat paddy rice rice leaf roller and multiple insect pests such as vegetables diamond-back moth, beet armyworm.
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CN105309612A (en) * | 2014-08-04 | 2016-02-10 | 湖南省粮油科学研究设计院 | Green insect-and-mildew inhibitor for grain storage and preparation method of insect-and-mildew inhibitor |
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