CN102067875B - Pesticide combination containing phenthoate and profenofos - Google Patents
Pesticide combination containing phenthoate and profenofos Download PDFInfo
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- CN102067875B CN102067875B CN 201010613565 CN201010613565A CN102067875B CN 102067875 B CN102067875 B CN 102067875B CN 201010613565 CN201010613565 CN 201010613565 CN 201010613565 A CN201010613565 A CN 201010613565A CN 102067875 B CN102067875 B CN 102067875B
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- dimephenthoate cidial
- phenthoate dimephenthoate
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Abstract
The invention discloses a pesticide combination containing phenthoate and profenofos. The pesticide combination is characterized in that the weight percent of the phenthoate and the profenofos as active components is 10 percent to 50 percent. The pesticide combination has the advantages that: after the phenthoate and the profenofos are compounded, the pesticide combination obtains a remarkable synergistic effect on rice planthoppers and other homopteran pests, i.e., the quick action of the pesticide combination is prominent, and the persistence is prolonged.
Description
Technical field
The present invention relates to a kind of insecticide phenthoate dimephenthoate cidial and Profenofos composition of containing, belong to field of agrochemicals.
Background technology
Phenthoate dimephenthoate cidial (phenthoate) is efficient, wide spectrum is organophosphorus insecticide, have and tag and stomach poison function, its mechanism of action is for suppressing the acetylcholinesterase in insect bodies, effective to the insect of multiple biting mouthparts and sucking mouth parts, has good ovicidal activity.Quick-acting is stronger, very fast dead after the insect contact, but the lasting period is shorter.Be applicable to the crops such as paddy rice, cotton, fruit tree, vegetables.Profenofos, except stronger action of contace poison is arranged, also has very strong interior suction, stomach poison function, and broad-spectrum organophosphorous pesticide, have quick-acting.Permeability is preferably arranged on plant leaf blade.Its mechanism of action is to suppress cholinesterase in insect bodies.For a long time, the long-term use of single dose agricultural chemicals, used to such an extent that insect has produced pesticide resistance to various medicaments, in order to reach the effect of control of insect, has to strengthen the agricultural chemicals usage amount, so not only increases the weight of peasant's financial burden, and pollution of ecological environment.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of insecticides containing insecticide phenthoate dimephenthoate cidial and Profenofos, thereby has improved the insecticidal activity of phenthoate dimephenthoate cidial, has enlarged insecticidal spectrum, delays the resistance of insect to phenthoate dimephenthoate cidial and Profenofos.
For solving the problems of the technologies described above, the invention provides following technical scheme: a kind of phenthoate dimephenthoate cidial and Profenofos composition pesticide of containing, the percentage by weight of active component phenthoate dimephenthoate cidial and Profenofos is 10%～50%.
As a kind of preferred version that contains phenthoate dimephenthoate cidial and Profenofos composition pesticide of the present invention, wherein, the surfactant percentage by weight is 1%～25%, the percentage by weight 25%～85% of solvent, carrier and auxiliary agent.
As a kind of preferred version that contains phenthoate dimephenthoate cidial and Profenofos composition pesticide of the present invention, wherein, the weight ratio of described phenthoate dimephenthoate cidial and Profenofos 1: 0.1～20.
As a kind of preferred version that contains phenthoate dimephenthoate cidial and Profenofos composition pesticide of the present invention, wherein, the weight ratio of described phenthoate dimephenthoate cidial and Profenofos 1: 0.5～2.
As a kind of preferred version that contains phenthoate dimephenthoate cidial and Profenofos composition pesticide of the present invention, wherein, the percentage by weight of described phenthoate dimephenthoate cidial is 4%～30%, and the percentage by weight of Profenofos is 6%～20%.
As a kind of preferred version that contains phenthoate dimephenthoate cidial and Profenofos composition pesticide of the present invention, wherein, the percentage by weight of described phenthoate dimephenthoate cidial is 10%～20%, and the percentage by weight of Profenofos is 6%～10%.
As a kind of preferred version that contains phenthoate dimephenthoate cidial and Profenofos composition pesticide of the present invention, wherein, described composition pesticide is missible oil, wetting powder, aqueous emulsion or granule.
The selected solvent of the present invention is that solvent comprises: the mixture of one or more of water, benzene,toluene,xylene, methyl alcohol, ethanol, isopropyl alcohol, butanols, cyclohexanone, a line oil, acetonitrile, carrene, chloroform, diformamide, dioxane, naphthalene, methyl naphthalene, dimethyl sulfoxide (DMSO), 1-METHYLPYRROLIDONE, ethyl acetate, acetone, butanone, ether, gylcol ether.
The selected surfactant of the present invention comprises one or more mixtures in anion, cation, non-ionic surface active agent.
Carrier of the present invention comprises one or more mixtures in kaolin, bentonite, atlapulgite, sepiolite, white carbon, diatomite, precipitated calcium carbonate, talcum powder, the plaster of paris, chalky soil, potter's clay, imvite, clay.
Other selected auxiliary agent of the present invention comprises one or more mixtures in ethylene glycol, propane diols, glycerine, urea, xanthans, methylol (ethyl) cellulose, gum Arabic, gelatin, modified starch, polyvinylpyrrolidone, octanol, silicone.
When the present invention is missible oil, solvent for use is one or more mixtures in benzene,toluene,xylene, methyl alcohol, ethanol, isopropyl alcohol, butanols, a line oil, cyclohexanone, dimethyl formamide, dimethyl sulfoxide (DMSO), 1-METHYLPYRROLIDONE, ethyl acetate, acetone, butanone, gylcol ether.Surfactant used is one or more mixtures in alkylbenzenesulfonate, aliphatic alcohol sulfate, alkylphenol polyoxyethylene, alkyl phenyl phenol polyethenoxy ether, alkylphenol-polyethenoxy polyethenoxy ether, alkyl phenyl phenol polyethenoxy polyethenoxy ether.
When the present invention is wetting powder and granule, used carrier is one or more mixtures in kaolin, bentonite, atlapulgite, sepiolite, white carbon, diatomite, precipitated calcium carbonate, talcum powder, the plaster of paris, chalky soil, potter's clay, imvite, clay.Surfactant used is one or more mixtures in commercially available NNO, BX, LS, lignosulfonates, carboxymethyl cellulose salt class, alkylsulfonate, aliphatic alcohol sulfate, alkylphenol polyoxyethylene.
When the present invention is aqueous emulsion, its continuous phase is water, and surfactant used is one or more mixtures in alkylbenzenesulfonate, aliphatic alcohol sulfate, alkylphenol polyoxyethylene, alkyl phenyl phenol polyethenoxy ether, alkylphenol-polyethenoxy polyethenoxy ether, base phenyl phenol polyoxyethylene poly-oxygen propylene aether.Other auxiliary agent used is one or more mixtures in polyvinyl alcohol, polyvinylpyrrolidone, carboxymethyl (ethyl) cellulose, xanthans, gum Arabic, gelatin, starch, alginic acid, urea, ethylene glycol, propane diols, glycerine.
When formulation of the present invention is missible oil, the preparation method that adopts is stirring and dissolving; When formulation is wetting powder, the preparation method that adopts for first various raw material being mixed then through air-flow crushing to required particle diameter; When formulation is aqueous emulsion, the preparation method that adopts for two kinds of active ingredient homogeneous shears being emulsified into to the liquid of the required particle diameter of milky in the aqueous solution that contains surfactant, antifreezing agent, defoamer etc.; When formulation is granule, the preparation method who adopts is for first mixing, and through air-flow crushing, to required particle diameter, then mediates, through the dry gained of extruder grain.
The invention has the advantages that: after phenthoate dimephenthoate cidial and Profenofos are composite, obtained the notable synergistic effect to homoptera pest grass such as rice fulgorids, the quick-acting of the worm agent of stopping is remarkable, and lasting effect extends.Reduced the dosage of agricultural chemicals, the notable synergistic effect of dispenser worm, the quick-acting of desinsection is remarkable, and the lasting period extends, and has enlarged action spectrum, has reduced dosage, spraying times and drug cost, reduces the generation of polluting and delayed pest resistance to insecticide.
Embodiment
Below in conjunction with embodiment, with application, the present invention is further illustrated.
Embodiment 1
Phenthoate dimephenthoate cidial 20 grams (rolling over hundred content), Profenofos 10 grams, calcium dodecyl benzene sulfonate 4 grams, fatty alcohol-polyoxyethylene ether (n=20) 6 grams, with diformamide 20 grams, xylene soluble obtains 100 gram missible oil products, according to 100 g/acres of dosage control paddy rice rice leaf roller, every about 7 days, the spray medicine once, connects and sprays 2 times, 74.3%, 14 day " Invest, Then Investigate " preventive effect of 7 days average preventive effects of " Invest, Then Investigate " is 92.5%.
Embodiment 2
Phenthoate dimephenthoate cidial 30 grams (rolling over hundred content), Profenofos 20 grams, calcium dodecyl benzene sulfonate 2 grams, polyoxyethylene nonylphenol ether (n=20) 3 grams, one line oil 5 grams, carboxymethyl cellulose salt 0.3 gram, propane diols 3 grams, defoamer 0.2 gram, deionized water adds to 100 grams, adopts high speed shear stirring and emulsifying machine dispersed with stirring, and mixing speed is 2000 rev/mins, mixing time is 30 minutes, obtains the white emulsion product that evenly can flow.According to 100 g/acres of dosage control paddy rice rice leaf roller, every about 7 days, the spray medicine once, connects and sprays 2 times, and 78.3%, 14 day " Invest, Then Investigate " preventive effect of 7 days average preventive effects of " Invest, Then Investigate " is 94.5%.
Embodiment 3
Phenthoate dimephenthoate cidial 10 grams (rolling over hundred content), Profenofos 20 grams, NNO4 gram, BX2 gram, white carbon 10 grams, atlapulgite is added to 100 grams, through air-flow crushing to average grain diameter, is the 20um wetting powder, according to 100 g/acres of dosage control rice-stem borers, every about 7 days, the spray medicine once, connect and spray 2 times, 71.3%, 14 day " Invest, Then Investigate " preventive effect of 7 days average preventive effects of " Invest, Then Investigate " is 88.7%.
Embodiment 4
Phenthoate dimephenthoate cidial 4 grams (rolling over hundred content), Profenofos 6 grams, sodium lignin sulfonate 4 grams, dodecyl sodium sulfate 2 grams, white carbon 20 grams, bentonite is added to 100 grams, through air-flow crushing to average grain diameter, it is the 20um wetting powder, add 10 gram 6% polyvinyl alcohol water solutions and stir in above-mentioned wettable powder, drying by extruder grain, obtaining 100 gram 2mm*5mm dispersibility granula products.According to 120 g/acres of dosage control Yellow Rice Borers, every about 7 days, the spray medicine once, connects and sprays 2 times, and 79.3%, 14 day " Invest, Then Investigate " preventive effect of 7 days average preventive effects of " Invest, Then Investigate " is 94.7%.
Embodiment 5
Phenthoate dimephenthoate cidial 20 grams (rolling over hundred content), Profenofos 20 grams, calcium dodecyl benzene sulfonate 0.5 gram, dodecylphenyl phenol polyethenoxy polyethenoxy ether 3 grams, cyclohexanone 3 grams, xanthans 0.4 gram, defoamer 0.1 gram, deionized water adds to 100 grams, adopt high speed shear stirring and emulsifying machine dispersed with stirring, mixing speed is 4000 rev/mins, and mixing time is 15 minutes, obtains the white emulsion product that evenly can flow.According to 100 g/acres of dosage control paddy rice rice leaf roller, every about 7 days, the spray medicine once, connects and sprays 2 times, and 75.1%, 14 day " Invest, Then Investigate " preventive effect of 7 days average preventive effects of " Invest, Then Investigate " is 89.8%.
Experimental example 6
Phenthoate dimephenthoate cidial and Profenofos and be mixed to the Toxicity Determination of rice leaf roller
1, test objective
Rice leaf roller is the primary pest of paddy rice, has a strong impact on output and the economic benefit of paddy rice.For effectively preventing paddy rice rice leaf roller, solve the resistance of paddy rice to phenthoate dimephenthoate cidial and Profenofos simultaneously, reduce pesticide cost, improve preventive effect.We,, with the mixture of not making on year-on-year basis of phenthoate dimephenthoate cidial and Profenofos, carry out indoor joint toxicity measuring with drop method to the paddy rice rice leaf roller.
2 materials and methods
2.1 experimental condition
2.1.1 for the examination insect
Rice leaf roller is picked up from suburb, Yangzhou paddy field, through 3 generations of indoor propagation, gets it and grows 3 instar larvaes normal, that polypide is active for examination.
2.1.2 condition of culture
Under field conditions (factors), from July 20 to September 22, breed.Between breeding period, the maximum air temperature is 35 ℃, 24 ℃ of the minimum air temperatures, and natural lighting, for the military fragrant round-grained rice 14 of examination rice varieties, soil property is sandy loam, organic matter 1.6, pH value 6.9.Paddy rice is managed same land for growing field crops.
2.1.3 instrument and equipment
Micro intravenous drip instrument, pest sucking device, illumination box, teat glass, electronic balance, filter paper, beaker, culture dish, pipettor, writing brush, soak the worm string bag, stopwatch etc.
2.2 reagent
2.2.1 test medicine
Phenthoate dimephenthoate cidial (you are loose, philharmonic loose for benefit), the former medicine of phenthoate:93% is provided by Jiangsu Tenglong Biological Pharmaceutical Co., Ltd..
Profenofos, the former medicine of profenofos:90% is provided by Jiangsu Tenglong Biological Pharmaceutical Co., Ltd..
2.2.2 other reagent
Acetone (solvent), 0.1% Tween 80 (surfactant)
2.3 test is processed
2.3.1 dosage setting
By the requirement of Jiangsu Tenglong Biological Pharmaceutical Co., Ltd., phenthoate dimephenthoate cidial and third is smelt to the preparation that the former medicinal acetone solution of two single doses of phosphorus is mixed with 5 different proportionings that concentration is 50%.Each preparation 100ml, wherein phenthoate dimephenthoate cidial and third is smelt the former medicine 50ml of phosphorus, acetone 50ml.Proportioning is as follows.
Phenthoate dimephenthoate cidial third is smelt the different proportionings of phosphorus
2.3.2 test is processed and design iterations
Smell phosphorus preliminary experiment result according to phenthoate dimephenthoate cidial and third, to smell for examination phenthoate dimephenthoate cidial and third that the different proportionings of the former medicine of phosphorus two are dissolved and to be diluted to 5 series concentration gradients stand-by, the different proportionings of 6 phenthoate dimephenthoate cidial and Profenofos are made into respectively 640,320,160,80, the 40mg/L series concentration is stand-by.Totally 6 processing.Every processing is for 120 of examination rice leaf roller, and each drug concentration is processed 4 times and repeated.
2.4 test method
Adopt the trichomonad method, with reference to the indoor biological activity determination test rule of agricultural chemicals insecticidal n Y/T1154.1-2006, NY/T1154.7-2006, regulation tested.Within 24 hours after medicine, check the borer population of living, calculate the average mortality of each processing, and the calculation correction lethality.
2.5 data survey and statistical analysis
2.5.1 corrected mortality calculates
Test after 24 hours and check dead borer population, statistical correction lethality
2.5.2LC
50calculating
Convert each experimental concentration to logarithm value (x), corrected mortality converts probit value (y) to, with method of least squares, calculates independent regression equation y=a+bx, then calculates the LC of each medicament
50, and calculate 95% confidence interval and b value and standard error.
2.5.3 co-toxicity coefficient computational methods
The actual measurement toxicity index of mixture is calculated and is used following formula:
In formula: ATI-mixture actual measurement toxicity index;
The LC of S-standard insecticide
50, unit is every liter (mg/L) of milligram
The LC of M-mixture
50, unit is every liter (mg/L) of milligram
The actual measurement toxicity index of mixture is calculated and is used following formula: TTI=TI
a* P
a+ TI
b* P
b
In formula: the theoretical toxicity index of TTI-mixture;
TI
a-A medicament toxicity index;
P
athe percentage composition of-A medicament in mixture, unit is percentage (%)
TI
b-B medicament toxicity index;
P
bthe percentage composition of-B medicament in mixture, unit is percentage (%).
Co-toxicity coefficient calculates uses following formula:
In formula: the CTC-co-toxicity coefficient
ATI-mixture actual measurement toxicity index
The theoretical toxicity index of TTI-mixture;
Evaluation criterion: the co-toxicity coefficient of built agent (CTC) >=120 shows as synergistic effect; CTC≤80, show as antagonism; 80<CTC<120 show as summation action.
3 results and analysis
Medicament phenthoate dimephenthoate cidial, third is smelt to phosphorus and different proportioning medicament phenthoate dimephenthoate cidial third thereof 8 medicament variable concentrations such as smell phosphorus No. 1, No. 2, No. 3, No. 4, No. 5 to be processed the result of the test initial data to rice leaf roller after 24 hours and arranges in subordinate list.Each pharmacy test concentration in subordinate list is converted to logarithm value x, and corrected mortality converts probit value y to, in table 1.Calculate its regression equation according to table 1 result, and calculate LC
50and co-toxicity coefficient, the results are shown in Table 1.
Table 18 kind of different medicaments are to the virulence of rice leaf roller malicious coefficient determination result (24 hours) together
Concrete experimental result is: phenthoate dimephenthoate cidial and Profenofos mass ratio 1: during 0.1-20, with single dose, compare to co-toxicity coefficient (CTC) 99.22-144.73 of paddy rice rice leaf roller.Phenthoate dimephenthoate cidial is compared with single dose to co-toxicity coefficient (CTC) 126.92-144.73 of paddy rice rice leaf roller with the Profenofos mass ratio in 1: 0.5～2 o'clock.Phenthoate dimephenthoate cidial is different from the Profenofos structure, mode of action complementation, and the two composite generation and development that can delay to a certain extent pest resistance to insecticide, improve drug effect, reduces costs.
It should be noted that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (4)
1. one kind contains phenthoate dimephenthoate cidial and Profenofos composition pesticide, it is characterized in that: active component is phenthoate dimephenthoate cidial and Profenofos, the percentage by weight of described phenthoate dimephenthoate cidial and described Profenofos is 10%～50%, and the percentage by weight of described phenthoate dimephenthoate cidial is 10%～20%, and the percentage by weight of Profenofos is 6%～10%.
2. phenthoate dimephenthoate cidial and the Profenofos composition pesticide of containing according to claim 1, it is characterized in that: the surfactant percentage by weight is 1%～25%, the percentage by weight 25%-85% of solvent, carrier and auxiliary agent, in composition, the percentage by weight sum of all components is absolutely.
3. phenthoate dimephenthoate cidial and the Profenofos composition pesticide of containing according to claim 1, is characterized in that: the weight ratio 1:0.5 of described phenthoate dimephenthoate cidial and Profenofos～2.
4. phenthoate dimephenthoate cidial and the Profenofos composition pesticide of containing according to claim 1, it is characterized in that: described composition pesticide is missible oil, wetting powder, aqueous emulsion or granule.
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| CN103229784A (en) * | 2013-05-08 | 2013-08-07 | 陕西农心作物科技有限公司 | Apple mould core-preventive sterilization composition |
| CN105409941A (en) * | 2015-12-01 | 2016-03-23 | 济南舜昊生物科技有限公司 | Water dispersible granule containing etrimfos and phenthoate and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1449249A (en) * | 2000-08-28 | 2003-10-15 | 巴斯福公司 | Organophosphorous compositions |
| CN101018482A (en) * | 2004-07-20 | 2007-08-15 | 拜尔农作物科学股份公司 | Insecticidal agents based on selected insecticides and safeners |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1449249A (en) * | 2000-08-28 | 2003-10-15 | 巴斯福公司 | Organophosphorous compositions |
| CN101018482A (en) * | 2004-07-20 | 2007-08-15 | 拜尔农作物科学股份公司 | Insecticidal agents based on selected insecticides and safeners |
Non-Patent Citations (1)
| Title |
|---|
| 严克华.40％速灭抗EC对5(3)代稻纵卷叶螟的药效试验.《大麦与谷类科学》.2009,(第3期),43-45. * |
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