CN1316890C - Composite agro-chemicals of hexaflumuron and pyridaphenthion - Google Patents
Composite agro-chemicals of hexaflumuron and pyridaphenthion Download PDFInfo
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- CN1316890C CN1316890C CNB2006100497594A CN200610049759A CN1316890C CN 1316890 C CN1316890 C CN 1316890C CN B2006100497594 A CNB2006100497594 A CN B2006100497594A CN 200610049759 A CN200610049759 A CN 200610049759A CN 1316890 C CN1316890 C CN 1316890C
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- pyridaphethione
- bell urea
- fluorine bell
- hexaflumuron
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Abstract
The present invention relates to a composite pesticide of hexaflumuron and pyridaphenthion, which belongs to the technical field of composite pesticide. The present invention is characterized in that the composite pesticide of hexaflumuron and pyridaphenthion comprises 0.5 to 5 percent of hexaflumuron and 10 to 30 percent of pyridaphenthion. The cotoxicity coefficient of the composite pesticide of hexaflumuron and pyridaphenthion reaches 457 to 614, and the present invention has the advantages of broad disinsection range, good quick effect and durable effect, small influence on the environment biology and low cost, and is a good insecticide for controlling pests, such as rice-stem borers, rice leaf roller, etc. The mixture ratios in the present invention are all weight contents.
Description
Technical field
The invention belongs to technical field of compounded pesticide, be specially a kind of fluorine bell urea and pyridaphethione Recompounded pesticide.
Background technology
The long-term cultivated area of rice in China is about 2,700 ten thousand hectares, according to statistics because of suffer that disease worm, weeds, mouse cause harm with a toll of about 30%, in the control to sick worm, weeds, mouse etc., chemical pesticide control accounts for very big proportion.Rice-stem borer, rice leaf roller are insect pest of rice.Rice-stem borer is particularly serious in the Yangtze river basin and northern rice district, the main pesticide species that uses, produced very strong pesticide resistance as clam worm toxicity class agricultural chemicals such as dimehypo, desinsection lists, agricultural chemicals such as Hostathion of Shi Yonging in succession, pesticide resistance also obviously rises, and preventive effect pesticide species preferably, as import agricultural chemicals such as fluorine worm nitrile, happinesses, price height, quick-acting are poor.Rice leaf roller when seriously taking place, can cause rice leaf roll song withered, have a strong impact on paddy growth and solid, main at present use dimehypo, desinsection list, chlopyrifos, Avermectin etc. are prevented and treated, but big instar larvae is because in the leaf roll of hiding, pesticide resistance strengthens, and the control efficiency of various medicaments is bad.High-toxic pesticide is forbidden by country, therefore adopts the present production scale of China big, and the wide middle low-toxin farm chemicals of insecticidal spectrum carries out rationally composite, and reaching increases quick-acting, lasting effect, and reducing environmental organism influence and pesticide cost is the key point of Recompounded pesticide.
Summary of the invention
In view of the above problems, the object of the invention is to provide a kind of insecticidal spectrum wide, and quick-acting and lasting effect are good, and is little to the environmental organism influence, the technical scheme of lower-cost fluorine bell urea and pyridaphethione Recompounded pesticide.
Described fluorine bell urea and pyridaphethione Recompounded pesticide is characterized in that containing fluorine bell urea 0.5-5%, pyridaphethione 10-30%.
Described fluorine bell urea and pyridaphethione Recompounded pesticide is characterized in that containing fluorine bell urea 0.5-3%, pyridaphethione 10-20%.
Described fluorine bell urea and pyridaphethione Recompounded pesticide is characterized in that containing fluorine bell urea 1-2.5%, pyridaphethione 15-18%.
Described fluorine bell urea and pyridaphethione Recompounded pesticide is characterized in that containing fluorine bell urea 1.5-2%, pyridaphethione 16-18%.
Fluorine bell urea has another name called and covers worm and loose, and chemical name is: hydroxyl N-[(3,5-two chloro-4-(1,1,2,2-tetrafluoro ethyoxyl) phenyl amino)]-2,6-difluoro benzamide.Be dissolved in polar solvent, stable to light, to the higher mammal low toxicity, to the high poison of fish, eyes are had spread effect, are the insect hormone insecticides, suppress insect and cast off a skin and food speed, based on stomach toxicity, have concurrently and tag and ovicidal action, its quick-acting is poor, but the lasting period is long.Be known substance, can buy by Ruize Farm-Chemicals Co., Ltd., Dalian, Jiangsu Yang Nong chemical industry Group Co.,Ltd or Dezhou, Shandong Heng Dong pesticide chemical Co., Ltd.
Pyridaphethione has another name called rattle away clean pine, the clean sulphur phosphorus of rattling away, and chemical name is: O, O-diethyl-O-(2,3-dihydro-3-oxidation-2-phenyl-6-pyridazinyl) thiophosphate.Be insoluble in water, be soluble in organic solvents such as acetone, methyl alcohol, ether, more stable to acid heat, to the highly basic instability,, insect had tag and stomach poison function the higher mammal low toxicity, quick-acting is good, and the lasting period is short.Be known substance, can buy by the new Saden chemical industry in Anhui Co., Ltd.
Above-mentioned fluorine bell urea and pyridaphethione Recompounded pesticide can be made into missible oil, and promptly former medicine solubilizer and emulsifier also can be made into aqueous emulsion, and promptly former medicine adds organic solvent, cosolvent, moistening temperature agent, diffusant, emulsifier, antifreezing agent, anti-coagulating agent etc.
Above-mentioned fluorine bell urea and pyridaphethione Recompounded pesticide, co-toxicity coefficient reaches 457-614, and insecticidal spectrum is wide, and quick-acting and lasting effect are good, and little to the environmental organism influence, cost is lower, is insects such as control rice-stem borer, rice leaf roller insecticides preferably.Proportioning in the patent application of the present invention is weight content.
Embodiment
The following stated embodiment describes the present invention in detail, and in an embodiment unless otherwise indicated, all percentages all are weight percentage.
Prescription one: fluorine bell urea 0.5%, pyridaphethione 17.5%.
Prescription two: fluorine bell urea 1.0%, pyridaphethione 17.0%.
Prescription three: fluorine bell urea 1.5%, pyridaphethione 16.5%.
Prescription four: fluorine bell urea 2.0%, pyridaphethione 16.0%.
Prescription five: fluorine bell urea 2.5%, pyridaphethione 15.5%.
The Recompounded pesticide of 5% 5 percent of hexaflumuron emulsifiable concentrate, 20% pyridaphethione and 18% above-mentioned prescription adopts the feed dipping method, and 4-5 Chilo spp larvae in age is compared test, and its co-toxicity coefficient and test of pesticide effectiveness data are shown in following table 1-8:
Table 1 18% fluorine bell urea and pyridaphethione Recompounded pesticide co-toxicity coefficient are measured statistics
| Medicament | LC 50 mg/ml | The toxicity regression line | 95% confidence interval | Co-toxicity coefficient |
| 5% 5 percent of hexaflumuron emulsifiable concentrate | 0.099579 | Y＝6.2968+1.2944X | 0.05193～1.57004 | |
| 20% pyridaphethione missible oil | 0.062522 | Y＝7.9453+2.4463X | 0.03605～0.08613 | |
| 18% fluorine bell urea pyridaphethione (prescription one) missible oil | 0.058152 | Y＝8.4358+2.7810X | 0.04265～0.07279 | 614 |
| 18% fluorine bell urea pyridaphethione (prescription two) missible oil | 0.059415 | Y＝7.9403+2.3981X | 0.04191～0.07676 | 597 |
| 18% fluorine bell urea pyridaphethione (prescription three) missible oil | 0.070041 | Y＝7.7886+2.4151X | 0.05302～0.09324 | 512 |
| 18% fluorine bell urea pyridaphethione (prescription four) missible oil | 0.079282 | Y＝7.7424+2.4912X | 0.06173～0.10931 | 457 |
| 18% fluorine bell urea pyridaphethione (prescription five) missible oil | 0.075525 | Y＝7.5823+2.3017X | 0.05724～0.10521 | 485 |
Table 2 5% 5 percent of hexaflumuron emulsifiable concentrate test of pesticide effectiveness record
| Dosage (mg/ml) | The examination borer population | Dead borer population | Lethality (%) | Corrected mortality (%) |
| 0.1000 | 22 | 11 | 50.00 | 47.37 |
| 0.0500 | 21 | 9 | 42.86 | 39.85 |
| 0.0250 | 20 | 5 | 25.00 | 21.05 |
| 0.0167 | 21 | 4 | 19.05 | 14.78 |
| 0.0111 | 20 | 3 | 15.00 | 10.53 |
Table 3 20% pyridaphethione missible oil test of pesticide effectiveness record
| Dosage (mg/ml) | The examination borer population | Dead borer population | Lethality (%) | Corrected mortality (%) |
| 0.2000 | 18 | 16 | 88.90 | 86.11 |
| 0.1000 | 20 | 15 | 75.00 | 68.75 |
| 0.0670 | 17 | 12 | 70.60 | 63.24 |
| 0.0500 | 18 | 11 | 61.10 | 51.39 |
| 0.0400 | 21 | 7 | 33.30 | 16.67 |
Table 4 18% fluorine bell urea pyridaphethione (prescription one) missible oil test of pesticide effectiveness record
| Dosage (mg/ml) | The examination borer population | Dead borer population | Lethality (%) | Corrected mortality (%) |
| 0.1800 | 20 | 18 | 90.00 | 90.00 |
| 0.0900 | 20 | 14 | 70.00 | 70.00 |
| 0.0600 | 19 | 11 | 57.89 | 57.89 |
| 0.0450 | 19 | 7 | 36.84 | 36.84 |
| 0.0360 | 20 | 5 | 25.00 | 25.00 |
Table 5 18% fluorine bell urea pyridaphethione (prescription two) missible oil test of pesticide effectiveness record
| Dosage (mg/ml) | The examination borer population | Dead borer population | Lethality (%) | Corrected mortality (%) |
| 0.1800 | 20 | 16 | 80.00 | 80.00 |
| 0.0900 | 20 | 15 | 75.00 | 75.00 |
| 0.0600 | 20 | 13 | 65.00 | 65.00 |
| 0.0450 | 20 | 7 | 35.00 | 35.00 |
| 0.0360 | 20 | 4 | 20.00 | 20.00 |
Table 6 18% fluorine bell urea pyridaphethione (prescription three) missible oil test of pesticide effectiveness record
| Dosage (mg/ml) | The examination borer population | Dead borer population | Lethality (%) | Corrected mortality (%) |
| 0.1800 | 20 | 16 | 80.00 | 80.00 |
| 0.0900 | 20 | 13 | 65.00 | 65.00 |
| 0.0600 | 20 | 10 | 50.00 | 50.00 |
| 0.0450 | 20 | 6 | 30.00 | 30.00 |
| 0.0360 | 20 | 4 | 20.00 | 20.00 |
Table 7 18% fluorine bell urea pyridaphethione (prescription four) missible oil test of pesticide effectiveness record
| Dosage (mg/ml) | The examination borer population | Dead borer population | Lethality (%) | Corrected mortality (%) |
| 0.1800 | 20 | 16 | 80.00 | 80.00 |
| 0.0900 | 20 | 11 | 55.00 | 55.00 |
| 0.0600 | 19 | 8 | 42.11 | 42.11 |
| 0.0450 | 20 | 6 | 30.00 | 30.00 |
| 0.0360 | 20 | 3 | 15.00 | 15.00 |
Table 8 18% fluorine bell urea pyridaphethione (prescription five) missible oil test of pesticide effectiveness record
| Dosage (mg/ml) | The examination borer population | Dead borer population | Lethality (%) | Corrected mortality (%) |
| 0.1800 | 20 | 16 | 80.00 | 80.00 |
| 0.0900 | 20 | 11 | 55.00 | 55.00 |
| 0.0600 | 19 | 9 | 47.37 | 47.37 |
| 0.0450 | 20 | 6 | 30.00 | 30.00 |
| 0.0360 | 20 | 4 | 20.00 | 20.00 |
Analyze above-mentioned table 1-8 test data, measurement result shows: the co-toxicity coefficient of fluorine bell urea pyridaphethione different proportion prescription all has obvious synergistic effect all greater than 100.List restrains with 80 with 5% fluorine bell urea mu, and cost is 4.0 yuan, and 18% fluorine bell urea pyridaphethione Recompounded pesticide mu restrains with 100, and cost is a 3.5-4 unit, with single suitable with fluorine bell urea.Consider that from reagent cost and drug effect lasting effect prescription three and prescription four all can be made optimization of C and select.
18% fluorine bell urea pyridaphethione (prescription three) composite dose (autogamy) and 40% chlopyrifos, 10% 5 percent of hexaflumuron emulsifiable concentrate (autogamy), 20% pyridaphethione missible oil (autogamy), clear water control group are to the field control effectiveness test of rice leaf roller, and 3 days, 7 days comparative trial data are as shown in table 9 below after the dispenser.
18% fluorine bell urea pyridaphethione (prescription three) missible oil (autogamy) is tested the field control effect of rice-stem borer with 18% fluorine bell urea pyridaphethione mineral oil (1.5+16.5+15%) (autogamy), 10% 5 percent of hexaflumuron emulsifiable concentrate (autogamy), 20% pyridaphethione missible oil, 99% mineral oil, clear water control group, checked that its correction data was as shown in table 10 below in 20 days behind the medicine.
Composite dose of control efficiency table of table 9 18% fluorine bell urea pyridaphethione to rice leaf roller
| Handle | The mu dosage | Repeat | Behind the medicine 3 days | Behind the medicine 7 days | |||||||||
| The leaf roll rate | Hundred clumps of borer populations alive | Leaf roll rate (%) | Growth rate (%) | Hundred clumps of borer populations alive | Gradient (%) | Leaf roll rate (%) | Growth rate (%) | Control efficiency (%) | Hundred clumps of borer populations alive | Gradient (%) | |||
| 18% fluorine bell urea pyridaphethione (prescription three) | 100 | 123 is average | 14.8 19.3 10.4 14.8 | 190 80 220 163.3 | 19.0 20.1 18.9 19.3 | 30.4 | 220 260 210 230 | 40.8 | 23.0 24.1 17.4 21.5 | 45.3 | 78.5 | 100 170 90 120 | -26.5 |
| 40% chlopyrifos | 80 | 123 is average | 12.1 11.9 12.8 12.3 | 150 130 160 146.7 | 17.5 16.6 16.5 16.9 | 37.4 | 210 190 220 206.7 | 40.9 | 20.3 18.3 19.5 19.4 | 57.7 | 72.7 | 210 170 220 200 | 36.3 |
| 10% fluorine bell urea | 30 | 123 is average | 15.3 15.3 19.2 16.6 | 200 190 140 176.7 | 21.6 18.8 23.8 21.4 | 28.9 | 320 240 250 270 | 52.8 | 22.5 26.1 26.7 25.4 | 39.2 | 75.7 | 90 150 80 106.7 | -39.6 |
| 20% pyridaphethione | 60 | 123 is average | 13.3 12.6 16.9 14.3 | 210 190 200 200 | 15.5 14.6 32.6 20.9 | 46.2 | 220 300 360 293.3 | 46.7 | 25.7 18.9 44.8 29.8 | 108.4 | 48.6 | 360 210 500 356.7 | 78.4 |
| The clear water control group | 1234 is average | 9.3 12.9 10.7 13.9 11.7 | 110 260 100 240 177.5 | 19.0 20.3 21.9 33.7 23.7 | 102.6 | 220 340 230 290 270 | 52.1 | 32.1 29.9 30.7 52.9 36.4 | 211.1 | 460 360 380 730 482.5 | 171.8 | ||
Table 9 data show: composite dose of control efficiency to the big instar larvae of rice leaf roller of 18% fluorine bell urea pyridaphethione reaches 78.5%, 40% chlopyrifos control efficiency is 72.7%, 10% fluorine bell urea control efficiency is that 75.7%, 20% pyridaphethione missible oil control efficiency is 48.6%.Measurement result shows: the control efficiency of composite dose of 18% fluorine bell urea pyridaphethione is best as can be seen, and 7 days insect population slips reach 26.5-39.6% behind medicine, and comparison is good according to pharmacy effect.In the process of the test, do not find that paddy rice has ill symptoms to take place.
Composite dose of control of table 10 18% fluorine bell urea pyridaphethione striped rice borer effect table
| Handle | Mu dosage (gram) | Repeat | Withered heart rate (%) | Control efficiency |
| 18% fluorine bell urea pyridaphethione (prescription three) | 100 | 123 is average | 0.17 0.20 0.39 0.25 | 91.9 |
| 18% fluorine bell urea pyridaphethione mineral oil | 100 | 123 is average | 0.28 0.18 0.34 0.26 | 91.6 |
| 10% 5 percent of hexaflumuron emulsifiable concentrate | 30 | 123 is average | 0.18 0.34 0.65 0.39 | 87.4 |
| 20% pyridaphethione missible oil | 100 | 123 is average | 0.38 0.20 0.72 0.43 | 86.1 |
| 99% mineral oil | 100 | 123 is average | 1.16 0.98 1.10 1.08 | 65.2 |
| The clear water control group | 1234 is average | 2.0 3.87 3.1 3.26 3.1 |
Table 10 data show: composite dose of control efficiency to rice-stem borer of 18% fluorine bell urea pyridaphethione is 91.9%, the control efficiency that adds mineral oil is 91.6%, both effects are suitable, but generally do not add mineral oil in practical application, 10% 5 percent of hexaflumuron emulsifiable concentrate control efficiency is 87.4%, 20% pyridaphethione missible oil control efficiency is that 86.1%, 99% mineral oil control efficiency is 65.2%.Measurement result shows: 18% composite dose of fluorine bell urea pyridaphethione is good to the striped rice borer control efficiency.
Claims (4)
1, fluorine bell urea and pyridaphethione Recompounded pesticide, it is characterized in that containing fluorine bell urea weight content is 0.5-5%, the pyridaphethione weight content is 10-30%.
2, fluorine bell urea as claimed in claim 1 and pyridaphethione Recompounded pesticide, it is characterized in that containing fluorine bell urea weight content is 0.5-3%, the pyridaphethione weight content is 10-20%.
3, fluorine bell urea as claimed in claim 1 and pyridaphethione Recompounded pesticide, it is characterized in that containing fluorine bell urea weight content is 1-2.5%, the pyridaphethione weight content is 15-18%.
4, fluorine bell urea as claimed in claim 1 and pyridaphethione Recompounded pesticide, it is characterized in that containing fluorine bell urea weight content is 1.5-2%, the pyridaphethione weight content is 16-18%.
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| CN1316890C true CN1316890C (en) | 2007-05-23 |
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| CN101589723B (en) * | 2009-06-30 | 2012-05-23 | 江苏省绿盾植保农药实验有限公司 | Compound pesticide of indoxacarb and pyridaphenthion |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002037964A1 (en) * | 2000-11-10 | 2002-05-16 | Syngenta Participations Ag | Synergistic pesticidal compositions comprising n-cyanomethyl-4-(trifluoromethyl)nicotinamide |
| WO2002062144A2 (en) * | 2001-02-03 | 2002-08-15 | Bayer Cropscience Gmbh | Method for controlling harmful organisms in the culture of useful plants |
| CN1415206A (en) * | 2002-09-20 | 2003-05-07 | 扬州市东宝农药化工有限公司 | Medicinal preparations for preventing and treating destructive insect of paddy rice and its preparation method |
| CN1736202A (en) * | 2005-08-11 | 2006-02-22 | 徐克华 | Compound pesticide of fipronil and pridaphenthione |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002037964A1 (en) * | 2000-11-10 | 2002-05-16 | Syngenta Participations Ag | Synergistic pesticidal compositions comprising n-cyanomethyl-4-(trifluoromethyl)nicotinamide |
| WO2002062144A2 (en) * | 2001-02-03 | 2002-08-15 | Bayer Cropscience Gmbh | Method for controlling harmful organisms in the culture of useful plants |
| CN1415206A (en) * | 2002-09-20 | 2003-05-07 | 扬州市东宝农药化工有限公司 | Medicinal preparations for preventing and treating destructive insect of paddy rice and its preparation method |
| CN1736202A (en) * | 2005-08-11 | 2006-02-22 | 徐克华 | Compound pesticide of fipronil and pridaphenthione |
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