CN100362918C - Pyrethroid and organic phosphorus composite synergic pesticide and its application - Google Patents
Pyrethroid and organic phosphorus composite synergic pesticide and its application Download PDFInfo
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- CN100362918C CN100362918C CNB2005100940569A CN200510094056A CN100362918C CN 100362918 C CN100362918 C CN 100362918C CN B2005100940569 A CNB2005100940569 A CN B2005100940569A CN 200510094056 A CN200510094056 A CN 200510094056A CN 100362918 C CN100362918 C CN 100362918C
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Abstract
The present invention relates to pyrethroid and organic phosphorus composite synergic insecticide which combines the advantages of pyrethroid insecticide and organophosphorus insecticide. The present invention is characterized in that the present invention is formed by mixing 0.1 to 20% of tetramethrin, ethofenprox, or bifenthrin, the organophosphorus insecticide of which the weight percentage is 10 to 70 %, and surplus auxiliary agents. The present invention has the advantages of high efficiency, broad spectrum and low toxicity, can be used for controlling paddy rice borers and can solve the problems of strong drug resistance of the current paddy rice borers and poor control effect.
Description
Technical field
The present invention relates to a kind of paddy rice and use insecticide, specifically a kind of being mixed by pyrethroid insecticides and organophosphorus insecticides forms Synergistic insecticidal and application thereof.
Background technology
Paddy rice is one of most important crops in the world, is one of the mankind's main food of depending on for existence, and the cultivated area in the whole world reaches 1.52 hundred million hectares at present, and output reaches 5.68 hundred million tons, and the paddy rice cultivated area of China occupies the second in the world.
The per mu yield that improves paddy rice is the emphasis that people study always, and the principal element that influences the paddy rice per mu yield has gene (seed quality), plantation level and the extermination of disease and insect pest, under the gene prerequisite identical with the plantation level, the control of damage by disease and insect is the principal element of decision paddy rice per mu yield.
In the process of growth of paddy rice, the damage by disease and insect that influences paddy growth and harvest has multiple, wherein growth and the harvest of paddy rice being had the greatest impact, always be focusing on of the farmingization industry emphasis of tackling key problems therefore to the control of the snout moth's larva of rice the snout moth's larva of rice, rice-stem borer, paddy stem borer, rice leaf roller.
The main insecticide of killing at present the snout moth's larva of rice both at home and abroad has pyrethroid and organic phosphates.Wherein pyrethroid insecticides has efficiently, safety, wide spectrum reaches spies such as people and animals' low toxicity is accounted for, it is one of the pillar medication in early stage insecticide market, but because it is higher to fish and shellfish toxicity, China forbids that already the pyrethroid insecticides except that ether chrysanthemum fat uses in paddy field, thereby present generally use is organophosphorus insecticides, and along with snout moth's larva of rice centering, the drug-fast continuous enhancing of hypotoxic organophosphorus insecticides, force people to take to add on the one hand big-and-middle, the consumption of hypotoxic organophosphorus insecticides, kill repeatedly, this not only increases planting cost, and further increased the drug resistance of the snout moth's larva of rice, enter vicious circle, force people to use on the other hand people and animals are had the secondary acephatemet insecticides that uses of strong poison, though can reduce the consumption of insecticide, have than in, the characteristics of hypotoxic organophosphorus insecticides good disinsection effect, but also there is the problem of three aspects in it, the one, people and animals poison easily, because killing the snout moth's larva of rice is at high temperature season, acephatemet insecticide highly volatile causes the operator poisoning; The 2nd, because the acephatemet insecticides is very easily absorbed by soil, cause serious environmental issue; The 3rd, cause the pesticide resistance of the snout moth's larva of rice to improve constantly owing to using repeatedly.Will be disabled to this class high toxicity agricultural chemicals." breach " phenomenon that so will inevitably make the paddy field snout moth's larva kill medication takes place.Therefore the snout moth's larva of rice insecticide of developing a kind of efficient, wide spectrum, low toxicity is the task of top priority.
The amine chrysanthemum is joined (tetramethrin), ether chrysanthemum ester (bifenthrin), Biphenthrin (etofenprox) is one of comparatively desirable insecticide of present single agent deinsectization effect, they are a kind of high-efficient broad-spectrum insecticides, tool is tagged and the insecticide of stomach poison function, and quick-acting is good, prevents and treats a lot of insects.Effective especially to coleoptera and Lepidoptera, the insect that is mainly used in control has rice leaf roller, paddy stem borer, striped rice borer, rice leafhopper, plant hopper, stinkbug, cutworm, aphid, corn borer, cotton bollworm, pink bollworm, looper, thrips, aleyrodid, flea beetle, tomato moth, dive fly, moth-eaten moth, gypsymoth, tent caterpillar and coccid etc.Gamma cyhalothrin has certain preventive effect to the insect and the evil mite of sucking mouth parts, can doublely control the mite class, and they decompose in plant corpus soon, and residual hazard is low, to the person poultry safety, environment is had no adverse effects.But under the prerequisite that snout moth's larva of rice pesticide resistance increases gradually at present, its single agent just sharply descends to the effect of control of insect, and from a large amount of reports as can be known, agriculture chemical compounding can obviously improve drug effect, delay the generation of pest resistance to insecticide, the effective measures of expanding prevention spectrum and raising desinsection quick-acting and lasting effect still find no the Pesticidal combination that pass tetramethrin, ether chrysanthemum ester or Biphenthrin and organic phosphor are mixed up to now.
Summary of the invention
The objective of the invention is advantage, the Synergistic insecticidal and the application thereof of a kind of efficient, wide spectrum, low toxicity are provided, increase the problem of control efficiency difference gradually to solve present snout moth's larva of rice pesticide resistance in conjunction with pyrethroid insecticides and organophosphorus insecticides.
Technical scheme of the present invention is:
The Synergistic insecticidal that a kind of pyrethroid and organic phosphor are mixed is characterized in that it is that 0.1%～20% tetramethrin, ether chrysanthemum ester or Biphenthrin and percentage by weight are that 10%～70% the organophosphorus insecticide and the additive mixture of surplus form by percentage by weight.
Described organophosphorus insecticide can be chlopyrifos, Hostathion, orthene, phoxim or Profenofos.
Synergistic insecticidal of the present invention can be applicable to the snout moth's larva of rice and kills.
Beneficial effect of the present invention:
1, the advantage that has efficient, wide spectrum, low toxicity, its effective killing rate can be up to more than 96%, and execute the effect time can be less than five minutes.
2, can not exert an influence to people and animals, fish and shellfish and environment.
3, compare with the agent of pyrethroid list, can reduce the field dosage significantly, effectively reduce environmental pollution and residue of pesticide, not only reduced toxicity, and greatly reduced use cost, can reduce peasant's burden and planting cost
4, the organophosphorus insecticides that uses during the present invention is mixed has played and has remedied the unfavorable defective of drug effect that descends and cause owing to the pyrethroid coumpound usage amount.Organic phosphates medium pesticide and pyrethroid insecticides have been given full play to advantage separately after being mixed by a certain percentage, improved insect killing effect of the present invention greatly.
5, to have manufacturing process simple in the present invention, the outstanding advantage that the flexibility that is mixed is high, and general insecticide factory uses common process and the equipment can be according to region characteristic and insect pest characteristics be mixed out efficient, the wide spectrum that is fit to that various places use, the insecticide of low toxicity.
6, the scope of application is wide, except that killing the snout moth's larva of rice, also can kill the insect that can't kill with conventional pesticide on other crop.
7, found substitute products for forbid the high toxicity organophosphorus insecticides comprehensively, will produce profound significance and positive effect agricultural production.
Embodiment
The present invention is further illustrated below in conjunction with embodiment.
To kill with mixed insecticide be that the present invention is further illustrated for example to prepare the 100 grams pyrethroid snout moth's larva of rice of the present invention below.
Embodiment one.
Get tetramethrin (also can be ether chrysanthemum ester or the biphenyl chrysanthemum is joined) 0.1 gram, chlopyrifos (also can be Hostathion, phoxim, orthene or Profenofos) 10 grams, auxiliary agent solvent 89.9 gram utilizes the conventional technology that is mixed to be mixed and gets final product to such an extent that pyrethroid of the present invention restrains with the Synergistic insecticidal 100 that organic phosphor is mixed.
Embodiment two.
Get tetramethrin (also can be ether chrysanthemum ester or the biphenyl chrysanthemum is joined) 0.1 gram, chlopyrifos (also can be Hostathion, phoxim, orthene or Profenofos) 70 grams, auxiliary agent solvent 29.9 gram, utilize the conventional technology that is mixed to be mixed to get final product the Synergistic insecticidal that is mixed of pyrethroid of the present invention and organic phosphor.
Embodiment three.
Getting tetramethrin (also can be ether chrysanthemum ester or biphenyl chrysanthemum and joins 10 grams, chlopyrifos (also can be Hostathion, phoxim, orthene or Profenofos) 10 grams, auxiliary agent solvent 80 gram, utilize the conventional technology that is mixed to be mixed to get final product the Synergistic insecticidal that is mixed of pyrethroid of the present invention and organic phosphor.
Embodiment four.
Get tetramethrin (also can be ether chrysanthemum ester or the biphenyl chrysanthemum is joined) 10 grams, chlopyrifos (also can be Hostathion, phoxim, orthene or Profenofos) 50 grams, auxiliary agent 40 gram utilizes the conventional technology that is mixed to be mixed and gets final product to such an extent that pyrethroid of the present invention restrains with the Synergistic insecticidal pulvis 100 that organic phosphor is mixed.
Embodiment five.
Get tetramethrin (also can be ether chrysanthemum ester or the biphenyl chrysanthemum is joined) 10 grams, chlopyrifos (also can be Hostathion, phoxim, orthene or Profenofos) 70 grams, auxiliary agent 20 gram utilizes the conventional technology that is mixed to be mixed and gets final product to such an extent that pyrethroid of the present invention restrains with the Synergistic insecticidal pulvis 100 that organic phosphor is mixed.
Embodiment six.
Get tetramethrin (also can be ether chrysanthemum ester or the biphenyl chrysanthemum is joined) 20 grams, chlopyrifos (also can be Hostathion, phoxim, orthene or Profenofos) 70 grams, auxiliary agent 10 gram utilizes the conventional technology that is mixed to be mixed and gets final product to such an extent that pyrethroid of the present invention restrains with the Synergistic insecticidal pulvis 100 that organic phosphor is mixed.
Embodiment seven.
Get tetramethrin (also can be ether chrysanthemum ester or the biphenyl chrysanthemum is joined) 20 grams, chlopyrifos (also can be Hostathion, phoxim, orthene or Profenofos) 70 grams, auxiliary agent solvent 10 gram utilizes the conventional technology that is mixed to be mixed and gets final product to such an extent that pyrethroid of the present invention restrains with the Synergistic insecticidal finish 100 that organic phosphor is mixed.
Embodiment eight.
Get tetramethrin (also can be ether chrysanthemum ester or the biphenyl chrysanthemum is joined) 15 grams, chlopyrifos (also can be Hostathion, phoxim, orthene or Profenofos) 60 grams, auxiliary agent 25 gram utilizes the conventional technology that is mixed to be mixed and gets final product to such an extent that pyrethroid of the present invention restrains with the Synergistic insecticidal pulvis 100 that organic phosphor is mixed.
Embodiment nine.
Get tetramethrin (also can be ether chrysanthemum ester or the biphenyl chrysanthemum is joined) 15 grams, chlopyrifos (also can be Hostathion, phoxim, orthene or Profenofos) 60 grams, auxiliary agent solvent 25 gram utilizes the conventional technology that is mixed to be mixed and gets final product to such an extent that pyrethroid of the present invention restrains with the Synergistic insecticidal finish 100 that organic phosphor is mixed.
Result of the test of the present invention such as following table:
Single agent control rice leaf roller effect
| Processing project (milliliter/mu) | Control efficiency (%) | Protect leaf effect (%) | ||||||
| I | II | III | IV | I | II | III | IV | |
| Tetramethrin 10 | 95.2 | 100 | 94.6 | 98.6 | 84.3 | 91.0 | 87.00 | 87.4 |
| Ether chrysanthemum ester 10 | 88.1 | 89.4 | 89.4 | 88.0 | 84.3 | 84.7 | 81.7 | 83.5 |
| Biphenyl chrysanthemum chrysanthemum fat 10 | 76.2 | 87.2 | 87.7 | 81.5 | 83.9 | 78.0 | 77.9 | 73.3 |
| Acephatemet 10 | 100 | 97.9 | 100 | 90.3 | 98.8 | 87.0 | 80.9 | 83.9 |
Mixed insecticide of the present invention is to the effect table of control rice leaf roller
| Processing project (milliliter/mu) | Control efficiency (%) | Protect leaf effect (%) | ||||||
| I | II | III | IV | I | II | III | IV | |
| Totally 10 milliliters of 10% tetramethrin+40% chlopyrifos | 97.2 | 100 | 94.6 | 98.6 | 96.5 | 95.0 | 92.00 | 90.4 |
| Totally 10 milliliters of 10% ether chrysanthemum ester+40% Hostathions | 95.1 | 99 | 93.4 | 98.0 | 98.8 | 94.7 | 91.7 | 91.5 |
| Totally 10 milliliters in 10% biphenyl chrysanthemum chrysanthemum fat+40% phoxim | 96 | 98 | 95 | 97.8 | 99 | 95 | 91.5 | 92 |
| Totally 10 milliliters in 10% biphenyl chrysanthemum chrysanthemum fat+40% orthene | 96.2 | 98 | 96.7 | 97.5 | 99.9 | 94.5 | 90.9 | 91.3 |
| Totally 10 milliliters of 10% tetramethrin+40% Profenofos | 97 | 98.9 | 98 | 95.3 | 98.8 | 96.1 | 92.9 | 92.7 |
The toxicity test effect of Synergistic insecticidal that be mixed of tetramethrin and chlopyrifos to rice leaf roller
| Concentration (ppm) | Examination borer population (head) | Average residual borer population (head) | Average correction lethality (%) |
| 6.25 | 35 | 23.0 | 17.86 |
| 12.5 | 35 | 21.0 | 25.00 |
| 25 | 35 | 18.3 | 25.00 |
| 50 | 35 | 11.5 | 58.93 |
| 100 | 35 | 4.0 | 85.71 |
| CK | 35 | 28.0 | / |
Claims (2)
1. the Synergistic insecticidal that is mixed of pyrethroid and organic phosphor, it is characterized in that it is that 0.1%～20% ether chrysanthemum ester and percentage by weight are that 10%～70% the organophosphorus insecticide and the additive mixture of surplus form by percentage by weight, wherein said organophosphorus insecticide is a Hostathion.
2. the purposes of the described Synergistic insecticidal of claim 1 is characterized in that being used for killing of the snout moth's larva of rice.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100940569A CN100362918C (en) | 2005-08-26 | 2005-08-26 | Pyrethroid and organic phosphorus composite synergic pesticide and its application |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100940569A CN100362918C (en) | 2005-08-26 | 2005-08-26 | Pyrethroid and organic phosphorus composite synergic pesticide and its application |
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| CN1729782A CN1729782A (en) | 2006-02-08 |
| CN100362918C true CN100362918C (en) | 2008-01-23 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101632384B (en) * | 2009-07-17 | 2013-03-27 | 陕西上格之路生物科学有限公司 | Insecticidal composition containing bifenthrin and triazophos |
| CN101978831A (en) * | 2010-11-30 | 2011-02-23 | 陕西美邦农药有限公司 | Pesticidal composition containing bifenthrin and profenofos |
| CN102150684A (en) * | 2011-02-23 | 2011-08-17 | 广西田园生化股份有限公司 | Ultralow-volume liquid containing ethofenprox |
| CN103798280A (en) * | 2012-11-10 | 2014-05-21 | 陕西汤普森生物科技有限公司 | Compound insecticidal composition containing bifenthrin and chlorpyrifos |
| CN102972437A (en) * | 2012-12-09 | 2013-03-20 | 大连创达技术交易市场有限公司 | Pesticide combination |
| CN103651556B (en) * | 2013-12-10 | 2015-04-29 | 济南凯因生物科技有限公司 | Ethofenprox-containing missible oil and application |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1498077A (en) * | 2001-03-21 | 2004-05-19 | �ȿ˻�ѧ�ɷ�����˾ | Pesticidal composition |
| CN1499932A (en) * | 2000-10-06 | 2004-05-26 | ������ɽ���� | Seed treatment with combinations of insecticides |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1499932A (en) * | 2000-10-06 | 2004-05-26 | ������ɽ���� | Seed treatment with combinations of insecticides |
| CN1498077A (en) * | 2001-03-21 | 2004-05-19 | �ȿ˻�ѧ�ɷ�����˾ | Pesticidal composition |
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