CN101779652A - Vegetable pest pesticide - Google Patents

Vegetable pest pesticide Download PDF

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Publication number
CN101779652A
CN101779652A CN 201010118205 CN201010118205A CN101779652A CN 101779652 A CN101779652 A CN 101779652A CN 201010118205 CN201010118205 CN 201010118205 CN 201010118205 A CN201010118205 A CN 201010118205A CN 101779652 A CN101779652 A CN 101779652A
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CN
China
Prior art keywords
pesticide
metaflumizone
vegetable
gram
pest
Prior art date
Application number
CN 201010118205
Other languages
Chinese (zh)
Inventor
陈焕瑜
李振宇
冯夏
张德雍
胡珍娣
Original Assignee
广东省农业科学院植物保护研究所
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 广东省农业科学院植物保护研究所 filed Critical 广东省农业科学院植物保护研究所
Priority to CN 201010118205 priority Critical patent/CN101779652A/en
Publication of CN101779652A publication Critical patent/CN101779652A/en

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Abstract

The invention relates to a vegetable pest pesticide. The vegetable pest pesticide is characterized being prepared by mixing emamectin benzoate and metaflumizone which account for 10 to 90 percent of the total amount of the pesticide respectively. The mixture of the emamectin benzoate and the metaflumizone effectively postpones the production of drug resistance, improves pest killing effect and effectively improves the toxicity to diamond back moth.

Description

Pesticide of vegetable pest

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

Use emamectin-benzoate (to be called for short first dimension salt separately, Proclaim) and during metaflumizone (metaflumizone) control vegetable-crop pest-insect prodenia litura etc., because nonstandard in the past a large amount of continuously the use, make the pesticide resistance growth of prodenia litura be exceedingly fast, very easily develop immunity to drugs, therefore it is big to need the medicament usage amount to increase, 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 is characterized in that: comprise by the first dimension salt and the metaflumizone that respectively account for total deal 10~90% and mix composition.

Above-mentioned pesticide of vegetable pest, the concentration of described first dimension salt is 0.8~2.5%, other is a filler.

Above-mentioned pesticide of vegetable pest, the concentration of described metaflumizone are 5~20%, and other is a filler.

Above-mentioned pesticide of vegetable pest, described filler are organic solvent or emulsifier or vegetable oil or mineral oil.

Above-mentioned first dimension salt contrast medicament provides former medicine sample by manufacturer, is made into missible oil certainly.

Above-mentioned metaflumizone contrast medicament provides former medicine sample by manufacturer, is made into missible oil certainly.

Adopt composite dose of the first dimension salt of technique scheme and metaflumizone, wherein for effective suspension of pesticide resistance generation, improve insecticidal effect, through the repeated screening test, can effectively improve virulence after invention first dimension salt and metaflumizone 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 first dimension salt and metaflumizone 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, reagent agent:

(1), 20% metaflumizone missible oil, the contrast medicament, provide former medicine sample by manufacturer, be made into missible oil certainly.

(2), 4% first dimension salt missible oil, the contrast medicament provides former medicine sample by manufacturer, is made into missible oil certainly.

(3), the preparation of 12% test medicine.10 gram metaflumizones former medicines (folding hundred) add the former medicines of 2 gram first dimension salt (folding hundred), add 10 gram emulsifier and 78 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 by the multiple dilution method respectively water convert into 500~8000 times of 5 concentration.The heart of a cabbage blade was immersed in the soup 10 seconds, and taking-up is dried, insert 2~3 age 20 of Spodoptera litura larvae.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.

Composite dose of toxicity test of table 1 to prodenia litura

From laboratory test results as can be seen, two single agent virulence of 24% composite dose of ratio of test medicine are stronger, and co-toxicity coefficient reaches 280, and greater than 100, expression has stronger synergistic effect.Along with the generalization that metaflumizone is used, production cost will progressively descend, for the screening of prodenia litura medicament provides effective medicine source.

Embodiment 2

1, reagent agent:

(1), 10% metaflumizone missible oil, the contrast medicament, provide former medicine sample by manufacturer, be made into missible oil certainly.

(2), 2% first dimension salt missible oil, the contrast medicament provides former medicine sample by manufacturer, is made into missible oil certainly.

(3), the preparation of 11.5% test medicine.10 gram metaflumizones former medicines (folding hundred) add the former medicines of 1.5 gram first dimension salt (folding hundred), add 10 gram emulsifier and 78.5 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 by the multiple dilution method respectively water convert into 500~8000 times of 5 concentration.The heart of a cabbage blade was immersed in the soup 10 seconds, and taking-up is dried, insert 2~3 age 20 of Spodoptera litura larvae.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.

Composite dose of toxicity test of table 2 to prodenia litura

From laboratory test results as can be seen, two single agent virulence of 11.5% composite dose of ratio of test medicine are stronger, and co-toxicity coefficient also reaches 268, and greater than 100, expression has stronger synergistic effect.Along with the generalization that metaflumizone is used, production cost will progressively descend, for the screening of prodenia litura medicament provides effective medicine source.

Embodiment 3

2, reagent agent:

(1), 10% metaflumizone missible oil, the contrast medicament, provide former medicine sample by manufacturer, be made into missible oil certainly.

(2), 0.85% first dimension salt missible oil, the contrast medicament provides former medicine sample by manufacturer, is made into missible oil certainly.

(3), the preparation of 5.425% test medicine.5 gram metaflumizones former medicines (folding hundred) add the former medicine of 0.425 gram first dimension salt (folding hundred), add 10 gram emulsifier and 84.575 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 by the multiple dilution method respectively water convert into 500~8000 times of 5 concentration.The heart of a cabbage blade was immersed in the soup 10 seconds, and taking-up is dried, insert 2~3 age 20 of Spodoptera litura larvae.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.

Composite dose of toxicity test of table 3 to prodenia litura

From laboratory test results as can be seen, two single agent virulence of 24% composite dose of ratio of test medicine are stronger, and co-toxicity coefficient reaches 280, and greater than 100, expression has stronger synergistic effect.Along with the generalization that metaflumizone is used, production cost will progressively descend, for the screening of prodenia litura 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 2 gram metaflumizones (folding hundred) adds the former medicines of 10 gram first dimension salt (folding hundred), add 10 the gram emulsifier and 78 the gram dimethylbenzene be made into 100 the gram composite doses, its co-toxicity coefficient also reaches 275, see that from the effect of use test its co-toxicity coefficient is all above more than 170, 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 the first dimension salt and the metaflumizone that respectively account for total deal 10~90% and mix composition.
2. pesticide of vegetable pest according to claim 1 is characterized in that: the concentration of described first dimension salt is 0.8~2.5%.
3. pesticide of vegetable pest according to claim 1 is characterized in that: the concentration of described metaflumizone is 5~20%.
CN 201010118205 2010-02-26 2010-02-26 Vegetable pest pesticide CN101779652A (en)

Priority Applications (1)

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CN 201010118205 CN101779652A (en) 2010-02-26 2010-02-26 Vegetable pest pesticide

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Application Number Priority Date Filing Date Title
CN 201010118205 CN101779652A (en) 2010-02-26 2010-02-26 Vegetable pest pesticide

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102657205A (en) * 2012-05-11 2012-09-12 湖南农业大学 Metaflumizone and ProclaimoR compounded agent
CN105532679A (en) * 2016-01-22 2016-05-04 河北天发化工科技有限公司 Abamectin mineral oil emulsifiable concentrate and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101564038A (en) * 2009-04-23 2009-10-28 惠州市中迅化工有限公司 Insecticidal composition containing metaflumizone
CN101617682A (en) * 2009-08-12 2010-01-06 深圳诺普信农化股份有限公司 Pesticide composition

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101564038A (en) * 2009-04-23 2009-10-28 惠州市中迅化工有限公司 Insecticidal composition containing metaflumizone
CN101617682A (en) * 2009-08-12 2010-01-06 深圳诺普信农化股份有限公司 Pesticide composition

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102657205A (en) * 2012-05-11 2012-09-12 湖南农业大学 Metaflumizone and ProclaimoR compounded agent
CN105532679A (en) * 2016-01-22 2016-05-04 河北天发化工科技有限公司 Abamectin mineral oil emulsifiable concentrate and preparation method thereof

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Application publication date: 20100721