CN104145985A - Composite herbicide - Google Patents
Composite herbicide Download PDFInfo
- Publication number
- CN104145985A CN104145985A CN201410399710.6A CN201410399710A CN104145985A CN 104145985 A CN104145985 A CN 104145985A CN 201410399710 A CN201410399710 A CN 201410399710A CN 104145985 A CN104145985 A CN 104145985A
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- CN
- China
- Prior art keywords
- agricultural chemicals
- herbicide
- pyridalyl
- water
- imazethapyr
- Prior art date
- Legal status (The legal status 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 status listed.)
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Abstract
The invention discloses a composite herbicide characterized in comprising the following components by weight, according to effective components: 20-30% of imazethapyr, 20-30% of cyhalothrin, 10-20% of pyridalyl, 5-8% of ethylene glycol butyl ether, 5-8% of a surfactant, and balance of water. According to the invention, three effective active components are combined with a special formula, and related auxiliary materials are used, such that the herbicide has the characteristics of no precipitation after long-term storage, low dose, high efficiency, and long effect. The herbicide has good effects against weeds, pests, mites and lepidoptera pests.
Description
Technical field
The invention belongs to pesticide field, be specifically related to a kind of compound herbicide.
Background technology
Agricultural chemicals can be used for the biology of kill insects, fungi and the growth of other damages to crops.The agricultural chemicals using the earliest has dichlorodiphenyl trichloroethane, hexachlorcyclohexane etc., and they can eliminate destructive insects in a large number.But their good stability can exist for a long time in environment, and constantly accumulation in animals and plants and human body, be eliminated for this reason.Use afterwards organophosphorous pesticide instead, as dichlorvos etc., substituted initial agricultural chemicals.Yet their toxicity is too large, very large to people and animals' harm.In recent years, the appearance of the agricultural chemicals of a collection of high-efficiency low-toxicity, people have found and have had narrow spectrum agricultural chemicals now, i.e. steroids agricultural chemicals.
Rapidly, industry totally presents good developing state to China's pesticide market development, has developed into world's second largest pesticide producing state, 2012, Chemistry In China pesticide original medicine (folding active ingredient 100%) output reaches 354.9 ten thousand tons, increases by 34.0% on a year-on-year basis, for agricultural production provides important support.
International pesticide market is oligopoly general layout, and developed country's pesticide producing enterprise market share accounts for ninety percent.Current China pesticide producing enterprise is family more than 2000 approximately, and production capacity is comparatively disperseed, and scope of the enterprise is generally less, research and development ability a little less than, there is no oneself core competitiveness.The most main products of producing Patent expiry of small business, profit is low, and burden is heavy, larger with countries in the world gap.By modes such as merging and reorganization, product restructuring and production capacity expansions, China-based enterprise's strength constantly strengthens, and has emerged a collection of leading enterprise with demonstration leading role.Meanwhile, the Chinese Enterprise autonomous sci-tech innovation ability of also more and more paying attention to and increase input, to high in technological content projects such as emerging biopesticide, low-toxin farm chemicals, plant growth regulator, has also obtained the achievement much attracting people's attention.
Agricultural chemicals is lost in environment, will cause serious environmental pollution, sometimes even causes extremely dangerous consequence.
1. atmosphere pollution, water environment, cause soil compaction.
The agricultural chemicals being lost in environment passes through evaporation, transpiration, wafts among atmosphere, and the agricultural chemicals waving is adsorbed by airborne dust again.And diffusion with the wind.Cause the pollution of atmospheric environment.Agricultural chemicals in atmosphere, again by rainfall, these agricultural chemicals flow in water again, thereby cause the pollution of water environment, and to people, animal, particularly aquatile (as fish, shrimp) works the mischief.Meanwhile, be lost to the agricultural chemicals in soil, also can cause soil compaction.
2. strengthen germ, the pesticide resistance of insect to agricultural chemicals
The long-time same agricultural chemicals that uses, finally can strengthen the pesticide resistance of germ, insect.To the control of germ of the same race, insect, must continue to increase the dosage of agricultural chemicals later. not so can not reach the object of degerm, insect.Form vicious circle.
3. kill and wound beneficial organism
Most agricultural chemicals are without selectively killing and wounding various biologies, comprising the biology useful to people, as frog, honeybee, birds and earthworm etc.The minimizing of these beneficial insects, beneficial bird or extinction, in fact reduced the natural enemy of insect, can cause the increase of number of pest. and affect agricultural production.
4. wildlife and livestock and poultry are poisoning
Wildlife and livestock and poultry have eaten the food that speckles with agricultural chemicals, can cause their acute or chronic poisonings.Most importantly agricultural chemicals affects biological fecundity, if a lot of birds and poultry are owing to being subject to the impact of agricultural chemicals, and the weight saving of laying eggs and eggshell thinning, easily broken.The extinction of many wildlifes and the pollution of agricultural chemicals have direct relation.
Therefore, how in the situation that guaranteeing drug concentration, reducing agricultural chemicals use is a problem demanding prompt solution on the impact of environment.
Summary of the invention
The object of the invention is to provide a kind of compound herbicide, solves existingly in order to kill different insects, need to use different agricultural chemicals to cause the problem of pesticide pollution environment.
Technical scheme of the present invention is: a kind of compound herbicide, it is characterized in that, in active ingredient, the weight of this agricultural chemicals consists of: imazethapyr 20-30%, Cyhalothrin 20-30%, pyridalyl 10-20%, butyl glycol ether 5-8%, surfactant 5-8%, surplus is water.
Further, the weight of this agricultural chemicals consists of: imazethapyr 25%, Cyhalothrin 25%, pyridalyl 15%, butyl glycol ether 6%, surfactant 6%, surplus is water.
Imazethapyr is imidazolinone herbicide, is side chain amino acid synthetic inhibitor, before bud or after bud, uses.The grassy weed in Soybean Field and other leguminous plant fields and some broad leaved weed are had to excellent preventive effect, as three-coloured amaranth, knotweed, lamb's-quarters, black nightshade, Siberian cocklebur, barnyard grass, green foxtail, lady's-grass, broomcorn millet etc.Can be made into aqua.Application method: in seedling stage (soybean leaf period to a 2 compound leaf phase, 1～4 leaf phase of weeds), per hectare 1000～2000ml5% aqua, to water 450～600kg even spraying.In seedling stage (when soil moisture content is good) after inserting, per hectare 1500～2250ml5% aqua, to water 450～600kg even spraying.
Cyhalothrin sterling is white solid, 49.2 ℃ of fusing points.In the time of 275 ℃, decompose vapour pressure 267 μ Pa in the time of 20 ℃.Former medicine is ecru odorless solid, and active constituent content >90% is water insoluble, is dissolved in most of organic solvents.Under 15～25 ℃ of conditions, bin stability is 6 months.Stable in acid solution, in alkaline solution, easily decompose, its hydrolysising half-life in water is about 7 days, and character is more stable, resistance of rainwater washing against.For preventing and treating the insect on the crops such as cotton, vegetables, tobacco.
Pyridalyl: english common name pyridalyl, the chloro-4-of chemical name: 2,6-bis-(3,3-, bis-chloroallyloxyaminos) phenyl 3-[5-(trifluoromethyl-2 hydroxy pyrimidine) propyl group] ether.Pyridalyl has simultaneously tags and stomach poison function, and the larva of lepidoptera pest is had to very high activity.There is speed of action fast, to the various useful low features of arthropodan toxicity.But pyridalyl exists the narrower shortcoming of insecticidal spectrum, only Lepidoptera and thrips insect are shown to activity.
The present invention compared with prior art tool has the following advantages:
The present invention adopts three kinds of effective active compositions to combine by special proportioning, is equipped with relevant auxiliary material.Make this agricultural chemicals have long storage time and do not precipitate, consumption is few, and efficiency is high, the feature that duration of efficacy is long.Weeds, insect, acarid and lepidoptera pest are all had to good effect.
Embodiment
Embodiment 1
A compound herbicide, is characterized in that, in active ingredient, the weight of this agricultural chemicals consists of: imazethapyr 20%, Cyhalothrin 30%, pyridalyl 10%, butyl glycol ether 8%, surfactant 5%, surplus is water.
Embodiment 2
A compound herbicide, is characterized in that, in active ingredient, the weight of this agricultural chemicals consists of: imazethapyr 30%, Cyhalothrin 20%, pyridalyl 20%, butyl glycol ether 5%, surfactant 8%, surplus is water.
Embodiment 3
A compound herbicide, is characterized in that, in active ingredient, the weight of this agricultural chemicals consists of: imazethapyr 25%, Cyhalothrin 25%, pyridalyl 15%, butyl glycol ether 6%, surfactant 6%, surplus is water.
The above embodiment has only expressed the application's embodiment, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the application's protection domain.It should be pointed out that for the person of ordinary skill of the art, not departing under the prerequisite of present techniques plan plot, can also make some distortion and improvement, these all belong to the application's protection domain.
Claims (2)
1. a compound herbicide, is characterized in that, in active ingredient, the weight of this agricultural chemicals consists of: imazethapyr 20-30%, Cyhalothrin 20-30%, pyridalyl 10-20%, butyl glycol ether 5-8%, surfactant 5-8%, surplus is water.
2. a kind of compound herbicide according to claim 1, is characterized in that, the weight of this agricultural chemicals consists of: imazethapyr 25%, Cyhalothrin 25%, pyridalyl 15%, butyl glycol ether 6%, surfactant 6%, surplus is water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410399710.6A CN104145985A (en) | 2014-08-15 | 2014-08-15 | Composite herbicide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410399710.6A CN104145985A (en) | 2014-08-15 | 2014-08-15 | Composite herbicide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104145985A true CN104145985A (en) | 2014-11-19 |
Family
ID=51871792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410399710.6A Pending CN104145985A (en) | 2014-08-15 | 2014-08-15 | Composite herbicide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104145985A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102630697A (en) * | 2012-04-03 | 2012-08-15 | 浙江威尔达化工有限公司 | Insecticidal composition containing pyridalyl and efficient cyhalothrin and application thereof |
| WO2012146888A1 (en) * | 2011-04-26 | 2012-11-01 | Syngenta Limited | Formulation component |
-
2014
- 2014-08-15 CN CN201410399710.6A patent/CN104145985A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012146888A1 (en) * | 2011-04-26 | 2012-11-01 | Syngenta Limited | Formulation component |
| CN102630697A (en) * | 2012-04-03 | 2012-08-15 | 浙江威尔达化工有限公司 | Insecticidal composition containing pyridalyl and efficient cyhalothrin and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| 丁辉: "新一代大豆田除草剂——普施特", 《杂草科学》, 31 December 1990 (1990-12-31), pages 35 - 36 * |
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| PB01 | Publication | ||
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| C12 | Rejection of a patent application after its publication | ||
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Application publication date: 20141119 |