CN104412995B - A kind of containing butene-fipronil with the Pesticidal combination of pymetrozine - Google Patents
A kind of containing butene-fipronil with the Pesticidal combination of pymetrozine Download PDFInfo
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- CN104412995B CN104412995B CN201310397551.1A CN201310397551A CN104412995B CN 104412995 B CN104412995 B CN 104412995B CN 201310397551 A CN201310397551 A CN 201310397551A CN 104412995 B CN104412995 B CN 104412995B
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- fipronil
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- pesticidal combination
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Abstract
The present invention relates to a kind of Pesticidal combination, a kind of butene-fipronil and the Pesticidal combination of pymetrozine and application thereof, belong to technical field of compounded pesticide.The effective ingredient of said composition weight ratio in the composition is 1:1～100, and its co-toxicity coefficient is up to 209.892～528.425, shows obvious potentiation.Hemipteran pest such as planthopper is had higher virulence, and can substantially delay drug-fast development.Harm to environment and non-target organism is little, and use cost is relatively low.In order to rotate, use medicament provides selection.
Description
Present disclosure relates to technical field of pesticide combination, i.e. relate to a kind of with butene-fipronil and pymetrozine two yuan of mixture parasite killing as effective ingredient
Compositions.
Background technology butene-fipronil, 3-cyano group-5-methylallyl amino-1-(2,6-dichlor-4-trifluoromethyl phenyl)-4-trifluoromethyl sulphinyl base pyrrole
Azoles, is the noval chemical compound developed on the basis of ethiprole of Ruize Farm-Chemicals Co., Ltd., Dalian.Butene-fipronil is to planthopper, Pieris rapae, pickles
Moth, snout moths larva, many insects such as chrysomelid have high activity, particularly the insect on the crop such as Oryza sativa L., vegetable are presented the activity equal with ethiprole.
Simultaneously as this medicament is to Fish low toxicity, open wider array of space for its application on Oryza sativa L., vegetable.
Pymetrozine, 4,5-dihydro-6-methyl-4-(3-pyridine methylene amino)-1,2,4-3 (2H)-one, are that Novartis Co., Ltd of Switzerland successfully developed in 1998 years
Novel pyridine heterocyclic insecticide, belong to novel systemic pesticide, sucking pest such as planthopper, aphid etc. had specially good effect.Can be special
One property blocks insect's food-taking behavior, makes to be stopped immediately taking food by poisoning worm, although can also move, but finally dies from because producing irreversible Antifeedant Effects
Hunger, in this, model of action is a kind of brand-new neural activity toxicological mechanism, thus have efficiently, low toxicity, high selectivity, the spy such as environmentally friendly
Point；Additionally, pymetrozine also has the function blocking insecticide biography poison, the most effective to the insect of preventing and treating transmitted virus.
The mixed of insecticide is one of strategy the most frequently used in current Chemical Control of Harmful Insects.Agriculture chemical compounding has potentiation, addition, antagonism three kinds completely different
Result, even if compounding between two kinds of pesticide, owing to proportioning difference potentiation degree is the most different, the even antagonism having.By test
The obvious compositions of potentiation filtered out, not only can improve the preventive effect to insect, reduces the usage amount of chemical pesticide, reduces production cost, and
Delay the generation of pest resistance to insecticide.Through the laboratory research to agriculture chemical compounding, find can produce after biological pesticide butene-fipronil and Pyraphione compound
Raw good potentiation, insecticide efficiency is greatly improved, and more low toxicity, environmental protection.And about answering of butene-fipronil and pymetrozine compound
Join and apply and there is no people at present and reported.
It is an object of the invention to provide the compositions of a kind of pymetrozine-butene-fipronil, the insects such as Semiptera, Homoptera such as planthopper are had relatively by it
High virulence, it is possible to reduce the cost accounting of this class pest.
Summary of the invention the technical problem to be solved is to provide a kind of prevents and treats killing of the preferable butene-fipronil of planthopper effect and Pyraphione compound
Worm agent compositions.
The insecticides main component of the present invention is butene-fipronil and pymetrozine, two kinds of compositions in the composition with weight ratio as 1:1～100
Reasonably compound, through a series of screening test, the obvious compositions of selective advance, strengthen quick-acting, reducing pesticide cost is the present invention
Key point.
It is an advantage of the current invention that:
Above-mentioned mixture reasonable mixture ratio, relatively strong to the virulence of the Hemipteran pest such as small brown rice planthopper, co-toxicity coefficient is higher, has stronger synergistic effect, is one
Class is efficient, the mixture preparation of low toxicity.
Detailed description of the invention
1. reagent agent
The 97.4% former medicine of pymetrozine is provided by Liyang chemical industry；90% butene-fipronil is provided by Ruize Farm-Chemicals Co., Ltd., Dalian.
2. for examination worm source
The striatellus imago that in May, 2013 gathers in Huzhou, Zhejiang Province wheatland, examination worm does not contact medicament Wu-Yu-Geng 3 rice seedlings and raises in indoor,
Raising temperature is 25 ± 1 DEG C, and the photoperiod is 16/8h (L/D).3 mid-term in age nymph for measure.
3. single dose assay method
The method i.e. dipping seedling method monitoring rice small brown rice planthopper sensitivity to insecticide set up according to class Lan Feng etc..
The cream water proportional diluted of preparation is configured to series concentration, and each experiment sets 5 concentration, processes with clear water and compares.6 ages in days are military
Educating No. 3 rice seedlings 30 of round-grained rice and involve root leaching 10s in the medicinal liquid of series concentration together in a criminal case, each concentration is repeated 3 times, and taking-up drip is dripped to no liquid and is placed on
Be lined with in the disposal plastic cup of filter paper, access after 30min 3 mid-term in age nymph 20, often process totally 60, then seal with preservative film and use
No. 3 insect needles prick hole.Connect the cultivation cup after worm be positioned over 25 ± 1 DEG C, humidity 70 ± 10%, periodicity of illumination 16/8h (L/D) constant temperature illumination training
Support in case.Result is checked after 120h.
4. data process
Use POLO Plus computed in software toxicity regression formula.Calculating parameter includes: slope b value and standard error, card square, degree of freedom, LC50Value
And 95% confidence limit.
5. joint toxicity measuring method
The lab screening employing Sun Yun abundant co-toxicity coefficient method of composite formula:
Toxicity index (TI)=(LC of standard agent50The LC of/reagent agent50)×100
The LC of the actual toxicity index of mixture (ATI)=alone for medicament A50The LC that/medicament A with B is mixed50)×100
Mixture theory toxicity index (TTI)=ATI (A) × a+ATI (B) × b
A: represent medicament A percentage composition in mixture；
B: represent medicament B percentage composition in mixture.
Co-toxicity coefficient CTC=(mixture actual toxicity index ATI/ mixture theory toxicity index TTI) × 100
According to the regulation of the Institute for the Control of Agrochemicals of the Ministry of Agriculture,PRC, the criterion of mixture formula potentiation is: co-toxicity coefficient is potentiation more than 120；Poison system altogether
Number 80-120, for summation action；Co-toxicity coefficient is less than 80, for antagonism.
Selecting with the co-toxicity coefficient of mixture and LC of optimum proportioning50(or LD50) value two indices weighs, i.e. co-toxicity coefficient is higher and LC50(or LD50)
Value minimum (i.e. actual measurement toxicity index is maximum).
The toxicity test result of table 1 butene-fipronil and pymetrozine mixture
From table 1 it follows that in different ratio mixtures, its co-toxicity coefficient is all higher than 120, show certain potentiation, Qi Zhongding
Alkene ethiprole: during pymetrozine 1:1, potentiation is the most obvious, and co-toxicity coefficient is respectively 528.425；Secondly it is butene-fipronil: during pymetrozine 1:10
Co-toxicity coefficient is 440.552.Under indoor conditions, butene-fipronil, the result of the test of two kinds of medicament different ratio of pymetrozine show, in effective ratio are
When 1:1,1:5,1:10,1:20,1:30,1:40,1:50, small brown rice planthopper 3 nymph in age is all shown stronger potentiation, wherein with the two
When ratio is 1:1 with 1:10, synergistic effect is best.
Claims (3)
1., containing butene-fipronil and a compositions for pymetrozine, it is characterized in that: its effective ingredient is butene-fipronil and pyrrole aphid
Ketone, two kinds of compositions weight ratio in the composition is 1: 1～50.
Pesticidal combination the most according to claim 1, it is characterised in that: this Pesticidal combination can be prepared as the conventional system of pesticide
Agent.
Pesticidal combination the most according to claim 2, it is characterised in that: described compositions can be configured to type water dispersable granules,
Wettable powder dosage form, suspending agent, oil suspending agent, suspended emulsion, cream, microemulsion, aqueous emulsion, soluble concentrate dosage form.
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| CN201310397551.1A CN104412995B (en) | 2013-09-05 | 2013-09-05 | A kind of containing butene-fipronil with the Pesticidal combination of pymetrozine |
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| CN201310397551.1A CN104412995B (en) | 2013-09-05 | 2013-09-05 | A kind of containing butene-fipronil with the Pesticidal combination of pymetrozine |
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| Publication Number | Publication Date |
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| CN104412995A CN104412995A (en) | 2015-03-18 |
| CN104412995B true CN104412995B (en) | 2016-12-07 |
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| CN106804600A (en) * | 2015-11-30 | 2017-06-09 | 陕西韦尔奇作物保护有限公司 | A kind of Pesticidal combination of the nitrile of worm containing acetyl and pymetrozine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006111570A2 (en) * | 2005-04-22 | 2006-10-26 | Endura S.P.A. | Biologically active formulation based on cyclodextrin supramolecular complexes |
| CN101460052A (en) * | 2006-03-24 | 2009-06-17 | 巴斯夫欧洲公司 | Liquid non aqueous agrochemical formulations comprising distyrylphenol ethoxylate |
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2013
- 2013-09-05 CN CN201310397551.1A patent/CN104412995B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006111570A2 (en) * | 2005-04-22 | 2006-10-26 | Endura S.P.A. | Biologically active formulation based on cyclodextrin supramolecular complexes |
| CN101460052A (en) * | 2006-03-24 | 2009-06-17 | 巴斯夫欧洲公司 | Liquid non aqueous agrochemical formulations comprising distyrylphenol ethoxylate |
Non-Patent Citations (1)
| Title |
|---|
| 新颖杀虫剂——丁烯氟虫腈;大连瑞泽农药股份有限公司;《世界农药》;20051231;第27卷(第5期);第49页 * |
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