CN101779633A - Pesticide of vegetable pest - Google Patents
Pesticide of vegetable pest Download PDFInfo
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- CN101779633A CN101779633A CN 201010118202 CN201010118202A CN101779633A CN 101779633 A CN101779633 A CN 101779633A CN 201010118202 CN201010118202 CN 201010118202 CN 201010118202 A CN201010118202 A CN 201010118202A CN 101779633 A CN101779633 A CN 101779633A
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- pesticide
- chlorfenapyr
- concentration
- missible oil
- rynaxypyr
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Abstract
The invention relates to a pesticide of vegetable pest. The pesticide is characterized by comprising chlorfenapyr and chlorantraniliprole which account for 10 to 90 percent of the total amount respectively and are mixed. The compound agent of the chlorfenapyr and chlorantraniliprole effectively delays the generation of resistance, improves the pesticidal effect and effectively improves the toxicity to diamond back moths.
Description
Technical field
Invention relates to a kind of pesticide of vegetable pest, refers in particular to a kind of pesticide of vegetable pest.
Background technology
Chlorfenapyr (Chlorfenapyr) is new type heterocycle class desinsection, kill mite, nematocide, Rynaxypyr (Chlorantraniliprole) is the o-amino benzoyl diamide insecticide, both have the diverse mechanism of action, and diamond-back moth is all had good control efficiency.
During in the past owing to nonstandard a large amount of continuously use chlorfenapyrs and Rynaxypyr control vegetable-crop pest-insect diamond-back moth, make the pesticide resistance growth of diamond-back moth be exceedingly fast, very easily develop immunity to drugs, therefore need the medicament usage amount to increase greatly, and result of use is relatively low.
Summary of the invention
The technical problem that invention will solve provides a kind of service life for the raising medicament, delays the generation of pest resistance to insecticide, reduces dosage, reduces a kind of pesticide of vegetable pest of use cost.
For solving the problems of the technologies described above, a kind of pesticide of vegetable pest of invention comprises by respectively accounting for chlorfenapyr and the Rynaxypyr of total deal than 10～90% and mixes composition.
Above-mentioned pesticide of vegetable pest, the concentration of described chlorfenapyr are 5～20%.
Above-mentioned pesticide of vegetable pest, the concentration of described Rynaxypyr are 1～10%.
Above-mentioned chlorfenapyr contrast medicament provides former medicine sample by manufacturer, is made into missible oil certainly.
Above-mentioned Rynaxypyr contrast medicament provides former medicine sample by manufacturer, is made into missible oil certainly.
Adopt technique scheme chlorfenapyr and composite dose of Rynaxypyr, wherein for effective suspension of pesticide resistance generation, raising insecticidal effect, through the repeated screening test, can effectively improve virulence after invention chlorfenapyr and Rynaxypyr are composite to diamond-back moth.The present invention has the service life of improving medicament, delays the generation of pest resistance to insecticide, reduces the remarkable result of dosage.Composite dose of control efficiency to prodenia litura of chlorfenapyr and Rynaxypyr compares independent use respectively and will improve more than 1 times.Filler can be organic solvent or emulsifier or vegetable oil or mineral oil, and the effect of these fillers is infiltration, adhesion and the emulsification that increases medicament.
Embodiment
Embodiment 1
(1) concentration is 10% chlorfenapyr missible oil 10 grams, and the contrast medicament provides former medicine sample by manufacturer, is made into missible oil certainly.
(2) concentration is 5% Rynaxypyr missible oil, 5 grams, and the contrast medicament provides former medicine sample by manufacturer, is made into missible oil certainly.
(3) concentration is the preparation of 15% test medicine.10 gram chlorfenapyrs former medicines (folding hundred) add the former medicine of 5 gram Rynaxypyrs (folding hundred), add 15 gram emulsifier and 70 gram dimethylbenzene and are made into composite doses of 100 grams.
2, test method:
Adopt leaf dipping method, be about to 3 kinds of reagent agents and press the multiple dilute with water, 10% chlorfenapyr missible oil concentration range is 200～12800 times, and 5% Rynaxypyr missible oil concentration range is 4000～64000 times, and the concentration range of 7.5% composite agent emulsifiable solution is 6000～192000 times.The heart of a cabbage blade was immersed in the soup 10 seconds, and taking-up is dried, insert 2～3 age 20 of diamondback moth larvaes.Every processing repeats 3 times.Check the borer population of living, calculation correction lethality after 48 hours.Calculate the lethal concentration of 50 (LC with concentration logarithm value and dead probability value
50).
3, result and analysis
Laboratory test results shows, tests composite dose low than 2 contrast medicament lethal concentrations of 50, and stronger virulence (seeing Table 1) is described.
7.5% composite dose of toxicity test of table 1 to diamond-back moth
From laboratory test results as can be seen, two single agent virulence of 15% composite dose of ratio of test medicine are stronger, and co-toxicity coefficient reaches 181 times, and greater than 100, expression has stronger synergistic effect.Along with the generalization that Rynaxypyr is used, production cost will progressively descend, for the screening of diamond-back moth medicament provides effective medicine source.
Embodiment 2
(1) concentration is 20% chlorfenapyr missible oil 5 grams, and the contrast medicament provides former medicine sample by manufacturer, is made into missible oil certainly.
(2) concentration is 2.5% Rynaxypyr missible oil, 10 grams, and the contrast medicament provides former medicine sample by manufacturer, is made into missible oil certainly.
(3) concentration is the preparation of 15% test medicine.5 gram chlorfenapyrs former medicines (folding hundred) add the former medicine of 10 gram Rynaxypyrs (folding hundred), add 15 gram emulsifier and 70 gram dimethylbenzene and are made into composite doses of 100 grams.
2, test method:
Adopt leaf dipping method, be about to 3 kinds of reagent agents and press the multiple dilute with water, 20% chlorfenapyr missible oil concentration range is 400～25600 times, and 2.5% Rynaxypyr missible oil concentration range is 2000～32000 times, and the concentration range of 15% composite agent emulsifiable solution is 6000～192000 times.The heart of a cabbage blade was immersed in the soup 10 seconds, and taking-up is dried, insert 2～3 age 20 of diamondback moth larvaes.Every processing repeats 3 times.Check the borer population of living, calculation correction lethality after 48 hours.Calculate the lethal concentration of 50 (LC with concentration logarithm value and dead probability value
50).
3, result and analysis
Laboratory test results shows, tests composite dose low than 2 contrast medicament lethal concentrations of 50, and stronger virulence (seeing Table 1) is described.
15% composite dose of toxicity test of table 2 to diamond-back moth
From laboratory test results as can be seen, two single agent virulence of 15% composite dose of ratio of test medicine are stronger, and co-toxicity coefficient reaches 178 times, and greater than 100, expression has stronger synergistic effect.
Embodiment 3
(1) concentration is 5% chlorfenapyr missible oil 20 grams, and the contrast medicament provides former medicine sample by manufacturer, is made into missible oil certainly.
(2) concentration is 10% Rynaxypyr missible oil, 2.5 grams, and the contrast medicament provides former medicine sample by manufacturer, is made into missible oil certainly.
(3) concentration is the preparation of 22.5% test medicine.20 gram chlorfenapyrs former medicines (folding hundred) add the former medicine of 2.5 gram Rynaxypyrs (folding hundred), add 13 gram emulsifier and 64.5 gram dimethylbenzene and are made into composite doses of 100 grams.
2, test method:
Adopt leaf dipping method, be about to 3 kinds of reagent agents and press the multiple dilute with water, 5% chlorfenapyr missible oil concentration range is 100～6400 times, and 5% Rynaxypyr missible oil concentration range is 8000～128000 times, and the concentration range of 7.5% composite agent emulsifiable solution is 5200～167000 times.The heart of a cabbage blade was immersed in the soup 10 seconds, and taking-up is dried, insert 2～3 age 20 of diamondback moth larvaes.Every processing repeats 3 times.Check the borer population of living, calculation correction lethality after 48 hours.Calculate the lethal concentration of 50 (LC with concentration logarithm value and dead probability value
50).
3, result and analysis
Laboratory test results shows, tests composite dose low than 2 contrast medicament lethal concentrations of 50, and stronger virulence (seeing Table 1) is described.
22.5% composite dose of toxicity test of table 3 to diamond-back moth
From laboratory test results as can be seen, two single agent virulence of 15% composite dose of ratio of test medicine are stronger, and co-toxicity coefficient reaches 161 times, and greater than 100, expression has stronger synergistic effect.Along with the generalization that Rynaxypyr is used, production cost will progressively descend, for the screening of diamond-back moth medicament provides effective medicine source.
Annotate: toxicity index (TI) and co-toxicity coefficient (CTC) computational methods are pressed the method for (nineteen sixty) propositions such as Sun Yunpei and are calculated:
(1) toxicity index (Toxicity index) is called for short TI
(2) the actual poison exponent (Actual toxicity index) that calculates intermixture (M) is called for short ATI.
(3) the theoretical toxicity index of intermixture (M) (Theroretical Toxicity index) is called for short TTI
The theoretical toxicity index (TTI) of mixture=[TI of A agent * A agent in mixture shared percentage (%)]+[percentage (%) that the TI of B agent * the B agent accounts in mixture]
(4) obtain co-toxicity coefficient (Co-toxicity index) at last and be called for short CTC.
In sum, invention is as specification and diagramatic content, make actual sample and through repeatedly use test, metaflumizone missible oil among above-mentioned three embodiment and first dimension salt missible oil content are turned, as: the former medicine of 5 gram chlorfenapyrs (folding hundred) adds the former medicine of 10 gram Rynaxypyrs (folding hundred), add 15 the gram emulsifier and 70 the gram dimethylbenzene be made into 100 the gram composite doses, its co-toxicity coefficient also reaches 180, see that from the effect of use test its co-toxicity coefficient is all above more than 165, effect from use test, provable invention can reach the purpose that it is expected, practical value is unquestionable.Above illustrated embodiment only is used for conveniently illustrating invention, be not that any pro forma restriction is done in invention, have in the technical field under any and know the knowledgeable usually, if in not breaking away from the scope of inventing the technical characterictic of carrying, utilize the invention technology contents that discloses to do the local equivalent embodiment that changes or modify, and do not break away from the technical characterictic content of invention, all still belong in the scope of invention technical characterictic.
Claims (3)
1. a pesticide of vegetable pest is characterized in that: comprise by respectively accounting for chlorfenapyr and the Rynaxypyr of total deal than 10～90% and mix composition.
2. pesticide of vegetable pest according to claim 1 is characterized in that: the concentration of described chlorfenapyr is 5～20%.
3. pesticide of vegetable pest according to claim 1 is characterized in that: the concentration of described Rynaxypyr is 1～10%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010118202 CN101779633A (en) | 2010-02-26 | 2010-02-26 | Pesticide of vegetable pest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010118202 CN101779633A (en) | 2010-02-26 | 2010-02-26 | Pesticide of vegetable pest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101779633A true CN101779633A (en) | 2010-07-21 |
Family
ID=42519886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010118202 Pending CN101779633A (en) | 2010-02-26 | 2010-02-26 | Pesticide of vegetable pest |
Country Status (1)
| Country | Link |
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| CN (1) | CN101779633A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105746540A (en) * | 2013-01-18 | 2016-07-13 | 陕西汤普森生物科技有限公司 | Insecticidal composition containing tetrachloro insect amide |
| CN114901074A (en) * | 2019-12-31 | 2022-08-12 | 阿达玛马克西姆有限公司 | Insecticide mixtures |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101014247A (en) * | 2004-07-01 | 2007-08-08 | 杜邦公司 | Synergistic mixtures of anthranilamide invertebrate pest control agents |
| CN102113516A (en) * | 2010-01-05 | 2011-07-06 | 海南正业中农高科股份有限公司 | Insect killing compound containing chlorantraniliprole |
-
2010
- 2010-02-26 CN CN 201010118202 patent/CN101779633A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101014247A (en) * | 2004-07-01 | 2007-08-08 | 杜邦公司 | Synergistic mixtures of anthranilamide invertebrate pest control agents |
| CN102113516A (en) * | 2010-01-05 | 2011-07-06 | 海南正业中农高科股份有限公司 | Insect killing compound containing chlorantraniliprole |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105746540A (en) * | 2013-01-18 | 2016-07-13 | 陕西汤普森生物科技有限公司 | Insecticidal composition containing tetrachloro insect amide |
| CN114901074A (en) * | 2019-12-31 | 2022-08-12 | 阿达玛马克西姆有限公司 | Insecticide mixtures |
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Application publication date: 20100721 |