CN106719663A - Complex herbicidal composition - Google Patents

Complex herbicidal composition Download PDF

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Publication number
CN106719663A
CN106719663A CN201710008513.0A CN201710008513A CN106719663A CN 106719663 A CN106719663 A CN 106719663A CN 201710008513 A CN201710008513 A CN 201710008513A CN 106719663 A CN106719663 A CN 106719663A
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CN
China
Prior art keywords
chlorine
ester
pretilachlor
mesotrione
salt
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.)
Withdrawn
Application number
CN201710008513.0A
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Chinese (zh)
Inventor
陈丰喜
祁月月
范伟赠
王国华
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ZHEJIANG TIANFENG BIOLOGICAL SCIENCE Co Ltd
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ZHEJIANG TIANFENG BIOLOGICAL SCIENCE Co Ltd
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Priority to CN201710008513.0A priority Critical patent/CN106719663A/en
Publication of CN106719663A publication Critical patent/CN106719663A/en
Withdrawn legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N41/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom
    • A01N41/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom containing a sulfur-to-oxygen double bond
    • A01N41/10—Sulfones; Sulfoxides
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof
    • A01N37/22—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof the nitrogen atom being directly attached to an aromatic ring system, e.g. anilides
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N39/00—Biocides, pest repellants or attractants, or plant growth regulators containing aryloxy- or arylthio-aliphatic or cycloaliphatic compounds, containing the group or, e.g. phenoxyethylamine, phenylthio-acetonitrile, phenoxyacetone
    • A01N39/02—Aryloxy-carboxylic acids; Derivatives thereof
    • A01N39/04—Aryloxy-acetic acids; Derivatives thereof

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  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention discloses a kind of complex herbicidal composition, including following active principle：Mesotrione, pretilachlor and the chlorine of 2 first 4 or its salt or its ester, the mesotrione, pretilachlor and the chlorine of 2 first 4 or its salt or its ester（In terms of acid）Weight ratio be（1‑4）:（10‑50）:（20‑60）.The present invention can be significantly expanded herbicide controlling spectrum, improve the overall preventive effect to paddy field weed.Meanwhile, said composition is good to Security of rice, is a kind of extraordinary newtype drug combination for preventing and kill off rice terrace annual grassy weeds.

Description

Complex herbicidal composition
Technical field
The invention belongs to agrochemicals field, problem is prevented and kill off for rice terrace annual grassy weeds is solved more particularly, to one kind Herbicidal combinations.
Background technology
Mesotrione (mesotrione) belongs to p-hydroxybenzene pyruvic acid (HPP) ester dual oxide enzyme inhibitor (HPPD inhibitor). Mesotrione is a kind of herbicide that corn ground weed is prevented and kill off for before seedling and after seedling, and herbicide controlling spectrum is very wide, can prevent and kill off barnyard grass, Various weeds such as lady's-grass, black nightshade, Tong fiber crops, Siberian cocklebur.
Pretilachlor (pretilachlor) belongs to chloroacetanilide herbicides, is mainly suppressed by hindering protein to synthesize The growth of cell.Medicament can be absorbed by plant hypocotyl, mesocotyl and plumule, and root slightly has absorption, and damage symptoms are Acrospire is not unearthed or is stretched out from bud scale side, and distortion is unable to normal extension, stopping of growing, until dead.To barnyard grass, horse The annual gramineous weeds such as Tang, moleplant seed have good sealing process, and remove part annual broadleaf weed and Cyperaceae Weeds.
The chlorine of 2 first 4 (MCPA) or its salt or its ester belong to phenoxy acetic acid class selectivity hormone like herbicide, are easily root and leaf Portion absorbs, and is mainly used in preventing and kill off various annual and perennial broadleaf weed in the regions such as paddy rice, wheat, pea, lawn, to perfume (or spice) Monkshood, convexutricle sedge herb, sweet wine intestines, Monochoria vaginalis, angustifolia arrowhead herb and other effects are notable, but substantially invalid to grassy weed.
There is different degrees of defect in the herbicide kind containing single-activity component, on control of weeds such as after continuous use Weeds easily develop immunity to drugs, and herbicide controlling spectrum narrows, the problems such as cause environmental pollution.
Rationally compounding is to improve preventive effect, expand herbicide controlling spectrum, widen use time to herbicide, delays shift of weed community Speed, reduce that agricultural chemicals is single to use brought resistance risk, mitigate the pollution to environment, reduce use cost and mitigation removed A kind of effective ways of careless agent residual.
The content of the invention
In order to overcome the deficiencies in the prior art, the present invention to provide a kind of poison more high and low to crop safety, low-residual, kill Grass spectrum is wide, can effectively delay the complex herbicidal composition of herbicide resistance.
The technical solution adopted for the present invention to solve the technical problems is：A kind of Herbicidal combinations, including following effective group Point：Mesotrione, pretilachlor and the chlorine of 2 first 4 or its salt or its ester, the mesotrione, pretilachlor and the chlorine of 2 first 4 or its salt or its Ester (being counted with acid) weight ratio is (1-4):(10-50):(20-60).
Further, the weight of the mesotrione, pretilachlor and the chlorine of 2 first 4 or its salt or its ester accounts for composition total weight 1-80%.
Further, the chlorine of 2 first 4 or its salt or its ester in Herbicidal combinations of the present invention are the different monooctyl ester of the chlorine of 2 first 4,2 first 4 chlorine sodium, the chlorine sylvite of 2 first 4, the chlorine isopropyl ammonium salt of 2 first 4, Vi par, Thistrol, Thistrol butyl ester, the chloroethene of 2 first 4 Thioesters, the chlorine thioethyl ester of 2 first 4 etc..
Further, described Herbicidal combinations formulation is granule, wettable powder.
Further, described formulation of herbicide auxiliary element is water, carrier, adhesive, surfactant etc..
Further, described Herbicidal combinations can be used for preventing and kill off rice terrace annual grassy weeds.
The frequency of use and usage amount of Herbicidal combinations of the invention with plant growth, weeds occur, Changes in weather and There is a small amount of change, the purpose of effective preventing and treating can be reached by using appropriate dosage.
After Herbicidal combinations of the invention its active component mesotriones, pretilachlor and the chlorine of 2 first 4 or its salt or its ester compounding Common use, with synergistic effect, overcomes the deficiency of herbicidal performance containing single-activity component, while three kinds of active components effect machines Reason is different, can delay the generation of herbicide resistance, reduces production cost and use cost, and expands herbicide controlling spectrum, can Effectively prevent and kill off rice terrace annual grassy weeds, its have efficiently, low toxicity, low-residual, low cost many advantages, such as.
The agricultural chemicals such as surfactant used and carrier auxiliary element belongs to environmentally friendly type in Herbicidal combinations of the invention, low Poison, low-residual, to rice safety, will not produce murder by poisoning to crop, fishes and shrimps and water body in use.
In sum, the beneficial effects of the invention are as follows, using convenient, low cost, reduce usage amount, reduce times for spraying, Broad weed-killing spectrum, can effectively delay herbicide resistance to produce, and herbicidal effect is very remarkable.
Specific embodiment
In order that those skilled in the art are better understood from the present invention program, below by the technology in inventive embodiments Scheme carries out clear, complete description.
Active ingredient is using 98% mesotrione, 95% pretilachlor active compound, the chlorine of 2 first 4 or salt or ester in following examples Active compound and auxiliary element are commercially available.
Indoor biometricses are tested
Prevent and kill off paddy field weed indoor pharmacodynamic test：
In order to prevent and treat the rice terrace annual grassy weeds in agricultural production, inventor is with mesotrione, pretilachlor, the chlorine three of 2 first 4 Planting composition has carried out Toxicity Determination research, specific method：Indoor pot method carries out soil spraying treatment, tests reference《Agriculture Bioassay test criterion herbicide Part VII in coyote hole》.
Herbicide associated form (NY/T 1155.7-2006) is evaluated according to Colby methods, its formula is as follows：E0=a*b*c/ 100(3-1), in formula, to target weeds Germination suppression rate when a is alone mesotrione；B is that pretilachlor is sprouted when alone to target weeds Hair inhibiting rate；C be the chlorine of 2 first 4 it is alone when to target weeds Germination suppression rate；E0Target weeds are sprouted during for three kinds of pharmacy mix The theoretical value of inhibiting rate；E be three kinds of pharmacy mix when to target weeds Germination suppression rate measured value；Evaluation criterion works as E-E0＞ When 10%, synergistic function is represented；Work as E-E0During ＜ -10%, joint action of antagonism is represented；And work as E-E0Value between ± When 10%, illustrate to cooperate with summation action.
The indoor synergy of the mesotrione of table 1, pretilachlor and the chlorine mixture of 2 first 4 to barnyard grass is determined
Herbicide mode of application, the data display of table 1, mesotrione, pretilachlor, the chlorine of 2 first 4 are evaluated according to Colby methods Triple combination has addition or synergistic effect to barnyard grass.
The indoor synergy of the mesotrione of table 2, pretilachlor, the chlorine mixture of 2 first 4 to sweet wine intestines is determined
Herbicide mode of application, the data display of table 1, mesotrione, pretilachlor, the chlorine of 2 first 4 are evaluated according to Colby methods Triple combination has addition or synergistic effect to sweet wine intestines.
Example of formulations 1
Mesotrione 0.25%, pretilachlor 3%, the chlorine sodium (in terms of acid) 4% of 2 first 4, a- sodium olefin sulfonates (AOS) 1%, wood Quality sodium sulfonate (REAX82P) 4%, glucose 6%, white carbon 5%, kaolin surplus.In advance third is weighed according to aforementioned proportion Careless amine crude oil white carbon is adsorbed after standing 24 hours, above-mentioned other compositions is well mixed in the ratio, by air-flow powder It is broken, make material average grain diameter less than 5 microns, and the kneading that adds water is uniform, move to and granulate in Granulation Equipments, after 45 DEG C of drying can The chlorine granule (2.5 of 7.25% mesotrione pretilachlor, 2 first 4:30:40).
Example of formulations 2
Mesotrione 0.1%, pretilachlor 4%, the chlorine potassium (in terms of acid) 4%, lauryl sodium sulfate 1%, naphthalene sulfonic acids of 2 first 4 Dipersant (MORWET D425) 5%, Macrogol 4000 5%, white carbon 10%, attapulgite surplus.In advance according to above-mentioned Ratio weighed pretilachlor white carbon absorption standing after 24 hours, other compositions was well mixed in the ratio, by air-flow Crush, make material average grain diameter less than 5 microns, and the kneading that adds water is uniform, granulation in Granulation Equipments is moved to, after 45 DEG C of drying Obtain the chlorine granule (1 of 6.2% mesotrione pretilachlor, 2 first 4:40:40).
Example of formulations 3
Mesotrione 3%, pretilachlor 20%, the chlorine sodium (in terms of acid) 30% of 2 first 4, calcium dodecyl benzene sulfonate 8% is wooden Plain sodium sulfonate 7%, AEO 3%, white carbon 8%, kaolin surplus.By pretilachlor crude oil and white carbon according to After certain proportion absorption stands 24h, all the components are well mixed according to aforementioned proportion, material average grain diameter is made through air-flow crushing Less than 5um.Can be prepared by the chlorine wettable powder (3 of 53% mesotrione pretilachlor, 2 first 4:20:30).
Example of formulations 4
Mesotrione 2%, pretilachlor 20%, the chlorine potassium (in terms of acid) 20% of 2 first 4, ten AEOs 3%, naphthalene Sulfonic acid dipersant (MORWET D425) 9%, sodium sulphate 10%, white carbon 10%, kaolin surplus.By pretilachlor crude oil and After white carbon adsorbs standing 24h according to a certain percentage, all the components are well mixed according to aforementioned proportion, thing is made through air-flow crushing Material average grain diameter is less than 5um.Can be prepared by the chlorine wettable powder (1 of 42% mesotrione pretilachlor, 2 first 4:10:10).
Field efficacy verifies example
Embodiment 1
Field control effectiveness test prevents and kill off rice transplanting field weed
In Anhui Province Mingguang City, the region rice terrace is using herbicide history for many decades for experiment selection；Soil fertilizer Power is unanimously medium；Experimental field rice varieties：Japonica rice, long-grained nonglutinous rice；Planting patterns：Transplanted rice field；Field main weeds have moleplant seed, The weeds such as barnyard grass, Monochoria vaginalis, sweet wine intestines, nutgrass flatsedge.Experiment sets 8 treatment altogether, and each treatment sets 3 repetitions.Treatment 1 is 7.25% nitre The chlorine granule (2.5 of 2 first of sulphur humulone pretilachlor 4:30:40)；Treatment 2 is the chlorine of 6.2% mesotrione pretilachlor, 2 first 4 Granule (1:40:40))；Treatment 3 is the chlorine wettable powder (3 of 53% mesotrione pretilachlor, 2 first 4:20:30)；Treatment 4 It is the chlorine wettable powder (1 of 42% mesotrione pretilachlor, 2 first 4:10:10)；Treatment 5 is 15% mesotrione suspending agent (commercially available)；Treatment 5 is 30% pretilachlor missible oil (commercially available)；Treatment 6 is the solvable pulvis of chlorine sodium of 56%2 first 4；Treatment 7 is blank pair According to (not applying herbicide), after rice transplanting after 7 days, each treatment is mixed soil and is spread fertilizer over the fields.
Above medicament is provided by research and development department of Zhejiang Tianfeng Biological Science Co., Ltd..
Respondent and method：Observe within 7 days after medication each treatment agent on paddy growth situation influence and weeds it is aggrieved Situation.30 days after medication, range estimation barnyard grass, moleplant seed, sweet wine intestines, Monochoria vaginalis preventive effect and the total preventive effect of field weed community.
The mesotrione of table 3, pretilachlor and the chlorine of 2 first 4 or its salt or its ester ternary built respectively process transplanted rice field medication 30 Field control effectiveness test result after it.
According to investigation, 7 days after paddy rice medication, the present invention in the range of test dose to japonica rice and long-grained nonglutinous rice security very Good, paddy growth is normal, has no that blade such as is burnt, turns to be yellow, withering at the anomaly.The present invention is in certain dosage as can be seen here In the range of to japonica rice and long-grained nonglutinous rice safety.
As can be seen that Herbicidal combinations of the invention are to rice transplanting from 30 days result of the tests after the crop field medication of table 3 The closing preventive effect of the weeds such as barnyard grass, moleplant seed, sweet wine intestines, the Monochoria vaginalis of field annual grassy weeds is in 95%-100%, and herbicidal effect is bright The aobvious preventive effect better than single dose, while expanding herbicide controlling spectrum.
As can be seen here, the Herbicidal combinations in the range of certain dosage to rice safety and herbicidal performance is excellent, With potential agricultural extension value.
During the patented invention, also many embodiments are numerous to list herein.
To sum up virulence test and field experiment as a result, it was confirmed that the present invention containing mesotrione, pretilachlor and the chlorine of 2 first 4 or its The Herbicidal combinations of salt or its ester, are mainly used in preventing and kill off rice terrace annual grassy weeds, to field grass family, Cyperaceae and broad-leaved Weeds have good preventive effect, and to rice safety.Herbicidal combinations of the present invention have the mechanism of action unique, use agent Low, broad weed-killing spectrum is measured, the advantages of herbicidal effect is outstanding.So, the present invention contains mesotrione, pretilachlor and the chlorine of 2 first 4 or its salt Or the research and development and popularization of its ester Herbicidal combinations have huge economic and social benefit.

Claims (6)

1. a kind of complex herbicidal composition, it is characterised in that：Including following active principle：Mesotrione, pretilachlor and the chlorine of 2 first 4 Or its salt or its ester, the mesotrione, pretilachlor and the chlorine of 2 first 4 or its salt or its ester（In terms of acid）Weight ratio be（1-4）: （10-50）:（20-60）.
2. complex herbicidal composition according to claim 1, it is characterised in that：The mesotrione, pretilachlor and 2 first 4 Chlorine or its salt or its ester（In terms of acid）Weight account for the 1-80% of composition total weight.
3. complex herbicidal composition according to claim 1 and 2, it is characterised in that：The described villaumite of 2 first 4 or its ester are 2 The different monooctyl ester of the chlorine of first 4, the chlorine dimethylamine salt of 2 first 4, the chlorine sodium of 2 first 4, the chlorine sylvite of 2 first 4, the chlorine isopropyl ammonium salt of 2 first 4, Thistrol butyl ester, One kind in the chloroethene thioesters of 2 first 4, the chlorine thioethyl ester of 2 first 4.
4. complex herbicidal composition according to claim 3, it is characterised in that：Contain agricultural chemicals in the herbicidal composition Preparation auxiliary element, to be made the formulation for being adapted to agriculturally use.
5. complex herbicidal composition according to claim 4, it is characterised in that：The formulation of the Herbicidal combinations is particle Agent, wettable powder etc..
6. complex herbicidal composition according to claim 5, it is characterised in that:The Herbicidal combinations are used to prevent and kill off paddy rice Field annual grassy weeds.
CN201710008513.0A 2017-01-05 2017-01-05 Complex herbicidal composition Withdrawn CN106719663A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003022049A1 (en) * 2001-09-07 2003-03-20 Syngenta Participations Ag Surfactant systems for agriculturally active compounds
CN101406181A (en) * 2008-10-22 2009-04-15 王从爱 Herbicidal composition
CN104255738A (en) * 2014-09-12 2015-01-07 河南远见农业科技有限公司 Sugarcane field herbicide composition and application thereof
CN105076158A (en) * 2015-08-05 2015-11-25 青岛点石文具用品有限公司 Herbicide special for corn

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003022049A1 (en) * 2001-09-07 2003-03-20 Syngenta Participations Ag Surfactant systems for agriculturally active compounds
CN101406181A (en) * 2008-10-22 2009-04-15 王从爱 Herbicidal composition
CN104255738A (en) * 2014-09-12 2015-01-07 河南远见农业科技有限公司 Sugarcane field herbicide composition and application thereof
CN105076158A (en) * 2015-08-05 2015-11-25 青岛点石文具用品有限公司 Herbicide special for corn

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