CN101180961A - Insecticide compounding with buprofezin and pymtrozine as well as method for preventing and controlling pest thereof - Google Patents
Insecticide compounding with buprofezin and pymtrozine as well as method for preventing and controlling pest thereof Download PDFInfo
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- CN101180961A CN101180961A CNA2007101351734A CN200710135173A CN101180961A CN 101180961 A CN101180961 A CN 101180961A CN A2007101351734 A CNA2007101351734 A CN A2007101351734A CN 200710135173 A CN200710135173 A CN 200710135173A CN 101180961 A CN101180961 A CN 101180961A
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- buprofezin
- insecticide
- pyrrole aphid
- aphid ketone
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Abstract
The invention belongs to the technical field of pesticide, and relates to a mixed insecticide of Buprofezin and Pymetrozine and the prevention and treatment of pests using the insecticide. The active ingredients in the insecticide are the Buprofezin and the Pymetrozine. The weight ratio of the Buprofezin and the Pymetrozine is 10:1 to 1:10. The insecticide is wettable powder, the weight percentage of the each ingredient of the insecticide are: 1 to 30 percent of the Buprofezin, 30 to 1 percent of the Pymetrozine, 5 to 15 percent of the auxiliary agent of pesticide wettable powder and the rest of kaolinite. The invention has relatively good prevention and treatment effect on pests such as plant hopper and aphid, etc and little affect to environment.
Description
Technical field
The invention belongs to technical field of pesticide, relate to the method for a kind of Buprofezin and Pyraphione compound insecticide and pest control thereof.
Background technology
The plant hopper of China's hazard rice mainly contains three kinds: small brown rice planthopper, brown planthopper, white-backed planthopper, China is the heaviest with brown planthopper harm.In Yangze river and Huai river rice district, in 2 ~ 5 generations, took place in brown planthopper throughout the year, 4 ~ 5 generations of white-backed planthopper.Small brown rice planthopper generally survives the winter in the locality, only carries out the short distance migration, took place for 5 ~ 6 generations in the area, Jiangsu and Zhejiang Provinces throughout the year, but the heaviest with the harm of 1 ~ 2 generation.The control of China rice fulgorid is mainly used insecticides such as organic phosphor organochlorine, organic nitrogen in the spraying control of nymph peak period in 60 ~ eighties; But after the nineties, China promotes the use of Buprofezin control rice fulgorid, obtain good effect, in the latter stage nineties, begun to apply Imidacloprid control rice fulgorid, but owing to use continuously, produced certain pesticide resistance on producing, control efficiency descends, and prevents the snout moth's larva of rice owing to promote the use of Hostathion on producing in recent years again, this medicament has the effect that stimulates its breeding to water rice hopper, makes that rice fulgorid (particularly brown planthopper and small brown rice planthopper) is especially big generation in recent years.China mainly contains Buprofezin, Imidacloprid, fluorine worm nitrile, dichlorvos, chlorophos etc. to the control of the control rice fulgorid of rice fulgorid at present, the existing pesticide resistance that has in these medicaments, what have has very strong lethal effect to the rice field natural enemy, the use that has is dangerous, use causes dispenser personnel's poisoning easily in the rice field, has greater environmental impacts.
Summary of the invention
Technical problem to be solved by this invention is, provide a kind of to insects such as plant hopper and aphid have better control efficiency, to the little Buprofezin of environmental influence and the method for Pyraphione compound insecticide and pest control thereof.
The active ingredient that comprises in Buprofezin of the present invention and the Pyraphione compound insecticide is Buprofezin and pyrrole aphid ketone, and the weight ratio of these two kinds of effective ingredients is 10: 1～1: 10.
Above-mentioned bactericide of the present invention can be a wetting powder, and the percentage by weight of its each composition is: Buprofezin 1～30%, pyrrole aphid ketone 30～1%, pesticide wettable auxiliary agent 5～15%, surplus are kaolin.
Insecticide of the present invention also can be other the conventional pesticide formulation that above-mentioned Buprofezin and pyrrole aphid ketone effective ingredient and conventional pesticide auxiliary agent and inserts together are mixed with.
The method of insecticide control water rice hopper of the present invention is: near in water rice hopper nymph peak period, convert 450～600 kilograms of thick mists of spray of water according to the effective dose of Buprofezin in the per hectare and pyrrole aphid ketone total amount 20～150 grams.
The method of insecticide control aphid section insect of the present invention and Aleyrodidae insect is: aphid nymph peak period or aleyrodid nymph are contained the phase of sending out on vegetables, convert 600～900 kilograms of sprayings of water according to Buprofezin in the per hectare and pyrrole aphid ketone total amount 20～150 gram effective doses.
The method of insecticide control fruit aphid of the present invention and coccid is: contain the phase of sending out aphid nymph or coccid, convert 900～1200 kilograms of sprayings of water according to Buprofezin in the per hectare and pyrrole aphid ketone total amount 20～150 gram effective doses.
The Buprofezin that the present invention utilizes is the diazthines insect growth regulator, IGR, homoptera pest (plant hopper, leafhopper, aleyrodid, coccid) had tag, stomach toxicity and the inhibition effect of laying eggs, mechanism of action is for suppressing the synthetic and interference metabolism of insect chitin, cause cast off a skin deformity and slowly dead of nymph, applicable to paddy rice, fruit tree, tea tree etc., lasting period is all more than 30 days, to natural enemies security.The pyrrole aphid ketone that the present invention utilizes is the pyridine heterocycle insecticides, pyrrole aphid ketone belongs to non-lethal novel pesticide, mode of action uniqueness, it does not directly knock down insect, and insect is not had direct toxicity, but insect just stops to get food after touching this medicament immediately, and this is an irreversible process, most of homoptera pest (especially aphid section, Aleyrodidae, Cicadellidae and Delphacidae) is had special efficacy, be applicable to vegetables, paddy rice, cotton, fruit tree and multiple field crop, the lasting period is all more than 20 days; Medicament of the present invention has the selectivity of height, to the mammal low toxicity, to birds, fish and non-target arthropods safety.The brand-new mode of action of the pyrrole aphid ketone among the present invention, making does not have any mutual pesticide resistance with other medicament.The present invention has utilized Buprofezin to the tagging of insect, stomach toxicity with suppress the tagging of effect of laying eggs and pyrrole aphid ketone, effect that interior suction conduction causes insect antifeedant, and remedied the Buprofezin deficiency invalid, can also overcome the pesticide resistance of some areas brown planthopper parathiazine ketone the rice fulgorid adult.This invention medicament lasting period is long, to natural enemies security with to the environment low toxicity, can bring into play its advantage in integrated control.Help reducing the medication number of times and reduce environmental pollution, also can avoid injury, help integrated control, also can improve rice quality simultaneously natural enemy.
Embodiment
First group of embodiment and as follows of Buprofezin of the present invention and Pyraphione compound insecticide to the indoor measurement of brown plant-hopper insecticidal activity:
The former medicinal toluene of Buprofezin and pyrrole aphid ketone is dissolved into 10 μ g/ml mother liquors, and adds 3% Tween-20 (making emulsifier and spreader uses).With the sample of Buprofezin and pyrrole aphid ketone mother liquor preparation Buprofezin and pyrrole aphid ketone different proportion, Buprofezin in the sample: the ratio of pyrrole aphid ketone was respectively 10: 1,8: 1,6: 1,4: 1,2: 1,1: 1,1: 2,1: 4,1: 6,1: 8,1: 10 simultaneously.Adopt rice stem infusion process to measure Buprofezin and pyrrole aphid ketone and composite sample thereof virulence to brown plant-hopper.10 μ g/ml Buprofezin mother liquors are diluted to the soup of 2,1,0.5,0.25,0.125,0.0625,0.03125 μ g/ml by 2 times of 7 concentration of successively decreasing with clear water; 10 μ g/ml pyrrole aphid ketone mother liquors and Buprofezin all are diluted to the soup of 2,1,0.5,0.25,0.125,0.0625,0.03125 μ g/ml by 2 times of 7 concentration of successively decreasing with clear water with the sample of the different proportionings of pyrrole aphid ketone; Compare processing with the clear water that contains with the equivalent Tween-20.The rice seedling flush away root earth of 6 leaf phases is not fried in shallow oil and behind the blade rice stem is flooded 30s in soup, treats after the taking-up that soup is air-dry on the blade, encases the rice shoot root with absorbent cotton, and rice shoot is placed Boiling tube.Then, with the brown plant-hopper nymph in 3 age of fluke method access rice sensitive strain, every test tube connects 30 cephalont, and every drug concentration is handled 3 strain rice stems.Test repeats 3 times.
Calculate the insecticidal activity regression equation and the lethal concentration of 50 (LC of medicament with concentration logarithm-lethality probit value method
50).Press the abundant method of Sun Yun and calculate synergic ratio, result such as table 1.
Table 1 Buprofezin, pyrrole aphid ketone and composite sample thereof are to the regression equation and the co-toxicity coefficient of brown plant-hopper virulence
| Medicament | The toxicity regression formula | EC 50(ug/ml) | Actual measurement toxicity index ATI | Theoretical toxicity index TTI | Co-toxicity coefficient CTC |
| Buprofezin (A) | Y＝6.4157+2.4442x | 0.2635 | 100 | ||
| Pyrrole aphid ketone (B) | Y＝6.6121+2.2420x | 0.1910 | 137.9581 | ||
| A∶B＝10∶1 | Y＝7.0183+2.7948x | 0.1896 | 138.9768 | 103.4504 | 134.3415 |
| A∶B＝8∶1 | Y＝7.1129+2.7345x | 0.1688 | 156.1019 | 104.2171 | 149.7853 |
| A∶B＝6∶1 | Y＝7.2463+2.6142x | 0.1384 | 190.3902 | 105.4242 | 180.5944 |
| A∶B＝4∶1 | Y＝7.3531+2.5151x | 0.1160 | 227.1552 | 107.5916 | 211.1184 |
| A∶B＝2∶1 | Y＝7.6134+2.5445x | 0.0940 | 280.3191 | 112.6527 | 248.8348 |
| A∶B＝1∶1 | Y＝7.8593+2.5446x | 0.0752 | 350.3989 | 118.9791 | 294.5046 |
| A∶B＝1∶2 | Y＝7.3899+2.3112x | 0.0925 | 284.8649 | 125.3054 | 227.3365 |
| A∶B＝1∶4 | Y＝7.3024+2.3185x | 0.1016 | 284.8649 | 130.3665 | 218.5108 |
| A∶B＝1∶6 | Y＝7.2669+2.2876x | 0.1021 | 258.0803 | 132.5339 | 194.7278 |
| A∶B＝1∶8 | Y＝7.2342+2.3985x | 0.1168 | 225.5993 | 133.7410 | 168.6837 |
| A∶B＝1∶10 | Y＝7.1998+2.3561x | 0.1165 | 226.1803 | 134.5077 | 168.1542 |
Data show in the table 1, and Buprofezin and pyrrole aphid ketone are mixed brown plant-hopper is had synergistic effect; Buprofezin and pyrrole aphid ketone are with 10: 1～1: 10 when being mixed, co-toxicity coefficient is all greater than 120, each mixed ratio all has synergistic effect, but co-toxicity coefficient maximum when being mixed by 1: 1 with Buprofezin and pyrrole aphid ketone, be 294.5046, its value illustrates that significantly greater than 120 Buprofezin and pyrrole aphid ketone are in this ratio mixed synergies maximum.
The embodiment of insecticide control brown plant-hopper of the present invention and control efficiency such as table 2:
Table 2 25% Buprofezin and pyrrole aphid ketone WP are to the control efficiency of paddy rice brown planthopper
| Formulation rate (g.ai/hm 2) | Behind the medicine 3 days | Behind the medicine 7 days | Behind the medicine 14 days | Behind the medicine 28 days | ||||
| The insect population rate % that goes down | Proofread and correct preventive effect % | The insect population rate % that goes down | Proofread and correct preventive effect % | The insect population rate % that goes down | Proofread and correct preventive effect % | The insect population rate % that goes down | Proofread and correct preventive effect % | |
| 112.5 | 95.34 | 95.28 | 97.65 | 97.68 | 98.32 | 98.41 | 93.45 | 94.29 |
| 75 | 92.17 | 92.07 | 95.12 | 95.07 | 96.49 | 96.28 | 89.28 | 88.00 |
| 37.5 | 83.15 | 82.94 | 84.49 | 84.32 | 85.21 | 84.32 | 80.25 | 76.81 |
| CK | 1.25 | -1.09 | -5.68 | -14.85 |
The spraying time of embodiment is August 23 in the table 2.Contain Buprofezin 12.5%, pyrrole aphid ketone 12.5%, wetting agent 10%, auxiliary agent 2% among used 25% Buprofezin and the pyrrole aphid ketone WP, all the other are inserts.Converting the water yield is the 600L/ hectare.The spray mist.
Embodiment and control efficiency such as the table 3 of insecticide control oranges and tangerines aleyrodid of the present invention:
Table 3 25% Buprofezin and pyrrole aphid ketone WP are to the control efficiency of oranges and tangerines aleyrodid
| Formulation rate (g.ai/hm 2) | Behind the medicine 3 days | Behind the medicine 7 days | Behind the medicine 14 days | Behind the medicine 28 days | ||||
| The insect population rate % that goes down | Proofread and correct preventive effect % | The insect population rate % that goes down | Proofread and correct preventive effect % | The insect population rate % that goes down | Proofread and correct preventive effect % | The insect population rate % that goes down | Proofread and correct preventive effect % | |
| 112.5 | 94.25 | 94.04 | 97.67 | 97.72 | 98.01 | 98.16 | 92.09 | 93.29 |
| 75 | 91.37 | 91.66 | 93.15 | 93.01 | 93.10 | 92.51 | 87.85 | 85.20 |
| 37.5 | 83.32 | 83.88 | 85.27 | 84.97 | 84.59 | 83.27 | 81.02 | 76.88 |
| CK | 3.45 | -2.01 | -7.89 | -17.89 | ||||
The spraying time of embodiment is September 11 in the table 3.Contain Buprofezin 12.5%, pyrrole aphid ketone 12.5%, wetting agent 10%, auxiliary agent 2% among used 25% Buprofezin and the pyrrole aphid ketone WP, all the other are inserts.Converting the water yield is the spraying of 1200L/ hectare
Claims (5)
1. Buprofezin and Pyraphione compound insecticide, it is characterized in that: its active ingredient that comprises is Buprofezin and pyrrole aphid ketone, and the weight ratio of these two kinds of effective ingredients is 10: 1～1: 10.
2. Buprofezin according to claim 1 and Pyraphione compound insecticide, it is characterized in that: its formulation is a wetting powder, and its mass percent of respectively forming effective ingredient is: Buprofezin 1～30%, pyrrole aphid ketone 30～1%, pesticide wettable auxiliary agent 5～15%, surplus are kaolin.
3. method with the Buprofezin and the Pyraphione compound insecticide control water rice hopper of claim 1, it is characterized in that: near in water rice hopper nymph peak period, convert 450～600 kilograms of thick mists of spray of water according to the consumption of Buprofezin in the per hectare and total effective dose 20～150 grams of pyrrole aphid ketone.
4. one kind with the Buprofezin of claim 1 and the method for Pyraphione compound insecticide control aphid section insect and Aleyrodidae insect, it is characterized in that: aphid nymph peak period or aleyrodid nymph are contained the phase of sending out on vegetables, convert 600～900 kilograms of sprayings of water according to Buprofezin in the per hectare and pyrrole aphid ketone total amount 20～150 gram effective doses.
5. method with Buprofezin and the Pyraphione compound insecticide control fruit aphid and the coccid of claim 1, it is characterized in that: contain the phase of sending out aphid nymph or coccid, convert 900～1200 kilograms of sprayings of water according to Buprofezin in the per hectare and pyrrole aphid ketone total amount 20～150 gram effective doses.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007101351734A CN101180961A (en) | 2007-11-12 | 2007-11-12 | Insecticide compounding with buprofezin and pymtrozine as well as method for preventing and controlling pest thereof |
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| CNA2007101351734A CN101180961A (en) | 2007-11-12 | 2007-11-12 | Insecticide compounding with buprofezin and pymtrozine as well as method for preventing and controlling pest thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103651342A (en) * | 2012-08-31 | 2014-03-26 | 江苏长青农化股份有限公司 | Wettable powder with buprofezin content being 25 percent |
| CN107950559A (en) * | 2017-11-29 | 2018-04-24 | 铜陵市棵松农业科技有限公司 | A kind of composite insecticide for preventing rice insect pest |
| CN107950592A (en) * | 2017-11-29 | 2018-04-24 | 铜陵市棵松农业科技有限公司 | A kind of rice pest integrated control insecticide |
-
2007
- 2007-11-12 CN CNA2007101351734A patent/CN101180961A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103651342A (en) * | 2012-08-31 | 2014-03-26 | 江苏长青农化股份有限公司 | Wettable powder with buprofezin content being 25 percent |
| CN107950559A (en) * | 2017-11-29 | 2018-04-24 | 铜陵市棵松农业科技有限公司 | A kind of composite insecticide for preventing rice insect pest |
| CN107950592A (en) * | 2017-11-29 | 2018-04-24 | 铜陵市棵松农业科技有限公司 | A kind of rice pest integrated control insecticide |
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Open date: 20080521 |