CN107410348A - A kind of complex herbicidal composition - Google Patents

A kind of complex herbicidal composition Download PDF

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Publication number
CN107410348A
CN107410348A CN201710332925.XA CN201710332925A CN107410348A CN 107410348 A CN107410348 A CN 107410348A CN 201710332925 A CN201710332925 A CN 201710332925A CN 107410348 A CN107410348 A CN 107410348A
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CN
China
Prior art keywords
diflufenican
fentrazamide
agent
present
weeds
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CN201710332925.XA
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Chinese (zh)
Inventor
朱卫东
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Jiangsu Ryco Chemical Co Ltd
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Jiangsu Ryco Chemical Co Ltd
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Priority to CN201710332925.XA priority Critical patent/CN107410348A/en
Publication of CN107410348A publication Critical patent/CN107410348A/en
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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
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
    • A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
    • 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
    • A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
    • A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
    • A01N47/38—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< where at least one nitrogen atom is part of a heterocyclic ring; Thio analogues 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 present invention relates to a kind of complex herbicidal composition, active ingredient is fentrazamide and diflufenican, and the mass ratio of fentrazamide and diflufenican is 0.1 40：0.5 50, both sums are 0.6 90% in the percentage composition of Herbicidal combinations, and can be prepared into wettable powder, water dispersible granules, granule, microemulsion, aqueous emulsion, aqueous suspension agent, missible oil.The rice weeding composition of the present invention has the characteristics of safety and environmental protection, broad weed-killing spectrum, prevention effect are good.

Description

A kind of complex herbicidal composition
Technical field
The invention belongs to technical field of pesticide, is related to a kind of Herbicidal combinations, and in particular to one kind is containing fentrazamide, pyrrole The Herbicidal combinations of fluorine acyl grass amine and its application.
Background technology
Chemical method weeding is agriculturally to control one of theme means of weeds.In recent years, due to some herbicide kinds Large area is used alone, and has caused many weeds to develop immunity to drugs.It is not only annual meanwhile grass during weeds generation is mutually complicated With perennial mixed life, draft, rattan wood, shrub have concurrently, and weeds emergence is uneven, so herbicide kind is used alone When, the defects of showing in a certain respect and limitation.
Fentrazamide is the carbamyl Tetrazoline series new herbicides of Japanese Beyer Co., Ltd's initiative and exploitation, can quilt Root, stem, the leaf of plant absorb and are transmitted to root and the separate living tissue on bud top, suppress its cell division, and growth stops, and tissue becomes Shape, make growing point, internode separate living tissue necrosis, lobus cardiacus by green become purple, base portion become brown and it is withered, so as to play weeding make With.In actual dispenser, fentrazamide weeding speed, suppress weed growth after dispenser, to the grassy weed in rice field There is excellent preventive effect effect with sedge weed, but it is only effective to part broad leaved weed, to false loosestrife, alternanthera philoxeroides, flat stalk Scirpus triqueter, rhizoma alismatis effect are poor, it is impossible to thoroughly prevent and kill off the broad leaved weed in rice field.
Diflufenican belongs to herxheimer-liked reaction inhibitor, causes Destruction of Chlorophyll and cell rupture, and plant is dead Die.It is the selective cornfield herbicidal of wide spectrum.The longevity of residure is grown in soil.Scope of application barley, wheat paddock prevent and kill off clearvers, dent The various broad leaved weeds such as amaranth, black nightshade, field bindweed, Amaranthus retroflexus, chickweed, Commeline communis, vetch, Descurainia sophia, small japanese bearbind.
The content of the invention
For for above-mentioned problem, it is an object of the invention to provide a kind of containing fentrazamide and diflufenican Herbicidal combinations, Herbicidal combinations resistance point danger is small, cost accounting is low, broad weed-killing spectrum, good drug efficacy, lasting effect are all good, environment Pollute it is small, for preventing and kill off the annual grassy weeds of rice.
A kind of Herbicidal combinations containing fentrazamide, diflufenican, it is characterised in that the Herbicidal combinations are with tetrazolium Acyl grass amine, diflufenican are principle active component, and fentrazamide, the mass ratio of diflufenican are 0.1-40：0.5-50. In Herbicidal combinations, weight/mass percentage composition of both fentrazamide, diflufenican sum in Herbicidal combinations is 0.6-90%。
In the fentrazamide of the present invention, the binary built composition of diflufenican, except fentrazamide, pyrrole fluorine acyl Outside careless two kinds of active ingredients of amine, the auxiliary agent allowed on agricultural chemicals can also be added, is configured to any one formulation.Can it is preferred that being processed into WP, water dispersible granules, granule, microemulsion, aqueous emulsion, aqueous suspension agent, missible oil.
Described insecticides adjuvant includes：Disintegrant, binder, dispersant, wetting agent, emulsifying agent, thickener, thixotropic agent, Antifreezing agent etc., these auxiliary agents use conventional known compound.
The Herbicidal combinations of the diflufenican containing fentrazamide, wrap during the wettable powder for being prepared into 10-80% Containing following constituent content：Fentrazamide 3-30%, diflufenican 7-50%, dispersant 0.1-5%, wetting agent 0.1-4%, filler Supply.
The Herbicidal combinations of the diflufenican containing fentrazamide, wrap during the water dispersible granules for being prepared into 50-90% Containing following constituent content：Fentrazamide 20-40%, diflufenican 30-50%, wetting agent 1-5%, dispersant 1-5%, binder 1-4%, disintegrant 1-5%, filler are supplied.
The Herbicidal combinations of the diflufenican containing fentrazamide, comprising such as when being prepared into 1-10% granule Lower constituent content：Fentrazamide 0.1-4%, diflufenican 0.5-6%, adhesive 0.1-4%, filler are supplied.
The Herbicidal combinations of the diflufenican containing fentrazamide, comprising such as when being prepared into 5-40% microemulsion Lower constituent content：Fentrazamide 2-15%, diflufenican 3-25%, solvent 5-15%, emulsifying agent 10-20%, antifreezing agent 1-3%, Deionized water is supplied.
The Herbicidal combinations of the diflufenican containing fentrazamide, comprising such as when being prepared into 10-50% aqueous emulsion Lower constituent content：Fentrazamide 6-30%, diflufenican 4-20%, solvent 10-20%, emulsifying agent 2-10%, antifreezing agent 1-3%, Deionized water is supplied.
The Herbicidal combinations of the diflufenican containing fentrazamide, include during the aqueous suspension agent for being prepared into 20-50% Following constituent content：Fentrazamide 5-20%, diflufenican 15-30%, scattered suspending agent 0.3-3%, wetting agent 0.2-1%, Thickener 0.2-5%, stabilizer 0.1-4%, defoamer 0.1-3%, deionized water are supplied.
The Herbicidal combinations of the diflufenican containing fentrazamide, comprising as follows when being prepared into 10-50% missible oil Constituent content：Fentrazamide 2-20%, diflufenican 8-30%, emulsifying agent 10-30%, solvent are supplied.
Herbicidal combinations provided by the invention compared with prior art, produce following beneficial effect：Removed by mixed expansion Grass spectrum, improve herbicidal effect, widen application, reduce poisoning, reduce residual activity, delay the generation of herbicide resistance with Development.
Embodiment
The fentrazamide diflufenican wettable powders of S1 10%
The wooden disulfonate acid 0.3% of fentrazamide 3%, diflufenican 7%, dispersant, wetting agent lauryl sodium sulfate 0.2%th, filler clay 89.5%.The wettable powder of the present invention is prepared according to the formulation method of routine.
The fentrazamide diflufenican wettable powders of S2 45%
Fentrazamide 18%, diflufenican 27%, dispersant sodium naphthalene sulfonate 2.5%, wetting agent Negel 2%, filler Attapulgite 50.5%.The wettable powder of the present invention is prepared according to the formulation method of routine.
The fentrazamide diflufenican wettable powders of S3 80%
Fentrazamide 30%, diflufenican 50%, dispersant polycarboxylic acids sodium 4.5%, wetting agent lauryl sodium sulfate 4%, fill out Expect diatomite 11.5%.The wettable powder of the present invention is prepared according to the formulation method of routine.
The fentrazamide diflufenican water dispersible granules of S4 50%
Fentrazamide 20%, diflufenican 30%, wetting agent polyoxyethylene groups phenyl ether sodium sulfate 1.5%, dispersant naphthalene sulfonic acids Sodium 1%, binder glucose 1%, disintegrant sodium sulphate 1%, filler talcum powder 45.5%.Formulation method according to routine prepares this hair Bright water dispersible granules.
The fentrazamide diflufenican water dispersible granules of S5 70%
Fentrazamide 30%, diflufenican 40%, wetting agent octadecyl sodium succinate 3%, dispersant polycarboxylic acids sodium 2.5%, Binder starch 2.5%, disintegrant ammonium sulfate 2%, filler attapulgite 20%.Prepare the present invention's according to the formulation method of routine Water dispersible granules.
The fentrazamide diflufenican water dispersible granules of S6 85%
Fentrazamide 38%, diflufenican 47%, wetting agent sodium alkyl sulfate 4%, dispersant benzyl sodium naphthalene sulfonate formaldehyde condensation Thing 3%, binder glucose 3%, disintegrant bentonite 3%, filler diatomite 2%.The present invention is prepared according to the formulation method of routine Water dispersible granules.
The fentrazamide diflufenican granules of S7 1%
Fentrazamide 0.3%, diflufenican 0.7%, adhesive polyethylene alcohol 0.5%, filler quartz sand 98.5%.According to normal The formulation method of rule prepares the granule of the present invention.
The fentrazamide diflufenican granules of S8 5%
Fentrazamide 2%, diflufenican 3%, adhesive dextrin 2%, filler attapulgite 93%.According to the formulation method of routine Prepare the granule of the present invention.
The fentrazamide diflufenican granules of S9 10%
Fentrazamide 4%, diflufenican 6%, adhesive sodium metasilicate 3.5%, filler quartz sand 86.5%.According to the preparation of routine Method prepares the granule of the present invention.
The fentrazamide diflufenican microemulsions of S10 8%
Fentrazamide 3%, diflufenican 5%, solvent xylene 6%, emulsifier polyoxyethylene alkyl ether 12%, antifreezing agent the third three Alcohol 1%, deionized water 73%.The microemulsion of the present invention is prepared according to the formulation method of routine.
The fentrazamide diflufenican microemulsions of S11 25%
It is fentrazamide 10%, diflufenican 15%, solvent xylene 10%, emulsifier polyoxyethylene alkyl phenylate 15%, antifreeze Agent ethylene glycol 2%, deionized water 48%.The microemulsion of the present invention is prepared according to the formulation method of routine.
The fentrazamide diflufenican microemulsions of S12 40%
Fentrazamide 15%, diflufenican 25%, solvent xylene 15%, emulsifying agent epoxy ethane-epoxy propane block copolymerization Thing 20%, antifreezing agent glycerine 3%, deionized water 22%.The microemulsion of the present invention is prepared according to the formulation method of routine.
The fentrazamide diflufenican aqueous emulsions of S13 12%
Fentrazamide 7%, diflufenican 5%, solvent xylene 10%, emulsifier polyoxyethylene alkyl phenylate 3%, antifreezing agent third Triol 1%, deionized water 74%.The aqueous emulsion of the present invention is prepared according to the formulation method of routine.
The fentrazamide diflufenican aqueous emulsions of S14 28%
Fentrazamide 18%, diflufenican 10%, solvent xylene 15%, emulsifier polyoxyethylene fatty acid ester 6%, antifreezing agent Propane diols 2%, deionized water 49%.The aqueous emulsion of the present invention is prepared according to the formulation method of routine.
The fentrazamide diflufenican aqueous emulsions of S15 50%
Fentrazamide 30%, diflufenican 20%, solvent xylene 20%, emulsifying agent epoxy ethane-epoxy propane block copolymerization Thing 10%, antifreezing agent glycerine 3%, deionized water 17%.The aqueous emulsion of the present invention is prepared according to the formulation method of routine.
The % fentrazamide diflufenican aqueous suspension agents of S16 22
Fentrazamide 6%, diflufenican 16%, scattered suspending agent dispersing agent MF 0.8%, wetting agent 0.2%, Thickener xanthan gum 0.7%, stabilizer epoxychloropropane 0.3%, defoamer machinery oil 0.5%, deionized water 75.5%.According to normal The formulation method of rule prepares the aqueous suspension agent of the present invention.
The fentrazamide diflufenican aqueous suspension agents of S17 32%
Fentrazamide 11%, diflufenican 21%, the wooden disulfonate acid 1.5% of scattered suspending agent, wetting agent dioctyl succinate Sodium sulfonate 0.5%, thickener Arabic gum 2.5%, stabilizer tributyl phosphate 2.5%, defoamer silicone oil 1%, deionized water 60%. The aqueous suspension agent of the present invention is prepared according to the formulation method of routine.
The fentrazamide diflufenican aqueous suspension agents of S18 50%
Fentrazamide 20%, diflufenican 30%, scattered suspending agent naphthalenesulfonic acid-formaldehyde condensate 3%, wetting agent dodecyl Benzene sulfonic acid sodium salt 1%, thickener sodium alginate 4%, stabilizer epoxychloropropane 3%, defoamer silicone oil 2.5%, deionized water 36.5%. The aqueous suspension agent of the present invention is prepared according to the formulation method of routine.
The fentrazamide diflufenican missible oil of S19 10%
Fentrazamide 2%, diflufenican 8%, emulsifying agent phenethyl phenol polyethenoxy ether and calcium dodecyl benzene sulfonate 10%, Solvent xylene 80%.The missible oil of the present invention is prepared according to the formulation method of routine.
The fentrazamide diflufenican missible oil of S20 35%
Fentrazamide 13%, diflufenican 22%, emulsifying agent triphenyl vinyl phenol APEO 20%, solvent xylene 45%.The missible oil of the present invention is prepared according to the formulation method of routine.
The fentrazamide diflufenican missible oil of S21 50%
Fentrazamide 20%, diflufenican 30%, emulsifying agent oxirane phosphoric acid amine salt and alkyl dimerized vinyl sulphur Hydrochlorate 30%, solvent xylene 20%.The emulsifying agent of the present invention is prepared according to the formulation method of routine.
The fentrazamide granules of D1 1.9%
1.9% fentrazamide granule is conventionally made.
The diflufenican wettable powders of D2 50%
50% diflufenican wettable powder is conventionally made.
1）Toxicity determination test
Experiment purpose：Fentrazamide, diflufenican and different blended match somebody with somebody combination to barnyard grass, duck tongue under the conditions of greenhouse pot culture Grass, the herbicidal effect of difformed galingale herb, and have rated its synergy.
For studying thing：Rice.
Subjects：Grassy weed：Barnyard grass；Broad leaved weed：Monochoria vaginalis；Sedge weed：Difformed galingale herb.
Material to be tested：96% fentrazamide active compound, 95% diflufenican active compound.
Test method：
Object is surveyed as raw using barnyard grass, Monochoria vaginalis, difformed galingale herb, from herbicide, pH6.8 soil was not applied, by soil wind After dry sieving, load in high 6cm, diameter 9cm polypots, 20 seeds are sowed per basin, are placed on after fine earth thick 0.5 ~ 1cm of lid Cultivated in greenhouse, treat that weeds were grown to 2 ~ 4 leaf phases and use potted plant cauline leaf process method (NY/T 1155.4-2006), per alms bowl spraying liquid 1mL, often processing are repeated 4 times, and set the processing without medicament as control.Material is tried after processing and is placed in culture, routine observation in greenhouse The growing state of target weeds, target damage symptoms and growth inhibition situation are estimated after 20d, and claim aerial part fresh weight or strain fresh Weight, toxicity action of the medicament to target weeds is evaluated with target fresh weight inhibition.
Specific method is with reference to the part of NY/T1155.4-2006 farm-chemical indoor determination test rules herbicide the 4th：Activity Determination test cauline leaf spray-on process is tested, and often handles 4 repetitions, often repeatedly 20 plants, if being blank control without chemicals treatment.
Binary built synergy evaluation method is removed with reference to NY/T1155.7-2006 farm-chemical indoor determination test rules Colby methods in the synergy measure of the careless part mixture of agent the 7th.
If E be fentrazamide, diflufenican it is mixed after the weeds weight surveyed be to compare the percentage of weeds weight.
The theoretical preventive effect of mixture calculates according to below equation：
E0=X×Y /100
In formula, X is that fentrazamide weeds weight under certain dosage is to compare the percentage of weeds weight；Y is diflufenican Weeds weight is the percentage of control weeds weight under certain dosage.
E-E0＞ 10% is antagonism；E-E0＜ -10% is synergistic effect；E-E0Value is made between ± 10% to be added With.
The preventive effect of the fentrazamide of table 1, diflufenican and its mixture to barnyard grass
The preventive effect of the fentrazamide of table 2, diflufenican and its mixture to Monochoria vaginalis
The preventive effect of the fentrazamide of table 3, diflufenican and its mixture to difformed galingale herb
Fentrazamide, diflufenican and its mixture composition determine knot to the herbicidal effect of barnyard grass, Monochoria vaginalis, difformed galingale herb Fruit is shown in Table 1-3 respectively, it is known that fentrazamide, the mass ratio of diflufenican are 6+5,6+10,6+15,10+5,10+10,10+ 15,14+5,14+10,14+15 ternary recompounded composite E-E0Both less than -10%, to barnyard grass, Monochoria vaginalis, the equal table of difformed galingale herb It is now synergistic effect；And when fentrazamide, diflufenican binary built are 6+15, the synergistic effect to barnyard grass is the most aobvious Write, its E-E0Value is respectively -29.20 %；When fentrazamide, diflufenican binary built are 14+15, the increasing to Monochoria vaginalis Effect acts on the most notable, its E-E0Value is respectively -24.22%；When fentrazamide, diflufenican binary built are 6+15, Synergistic effect to difformed galingale herb is the most notable, its E-E0Value is respectively -20.62%.
2）Field control effectiveness test
Reagent agent：Embodiment 1-21.
Comparison medicament：Comparative example 1-2.
Prevent and treat crop：Rice.
Controlling object：Grassy weed：Barnyard grass, moleplant seed；Broad-leaved section weeds：Purslane, Monochoria vaginalis；Sedge weed： Difformed galingale herb, needle spikesedge herb.
Test method：
According to the area of experimental plot, the good various medicaments of precise, and after being watered dilution, knapsack sprayer is utilized, carry out Even spraying, the special Fan spray head of sprinkler selection herbicide.During spraying, it should be noted that decoction is uniformly sprayed application into experimental plot In, the phenomenon of accomplish no drain spray, spraying more.
20d, 40d observe weeds death condition, and the activity of weeding of more various medicaments after medicine respectively after experiment.This Outside, the condition of production of crop is also observed in 1 ~ 15d after medicine, to investigate whether medicament has poisoning to crop.
The Herbicidal Testing Trials effect of the present invention see the table below 4（20d after medicine）With table 5（40d after medicine）, security of the medicament to crop Investigation such as table 6.
20 days effects after the dispenser of table 4
40 days effects after the dispenser of table 5
Dosage in table 4 and table 5 refers both to the dosage of active ingredient in each preparation.As can be seen that the present invention is logical from table 4 and table 5 Cross and fentrazamide and diflufenican mixture are used, all there is significant preventive effect to grass family, broad-leaved section, sedge weed Effect, it is building performance notable, and lasting period length.Drug effect after Herbicidal combinations medication simultaneously after 20 days and 40 days is substantially better than list The effect that a kind of one active ingredient is used alone.
The medicament crop safety sex investigation of table 6
As can be seen from Table 6, the rice seedlings in each cell of Herbicidal combinations of the present invention grow fine, and have no any obvious medicine Spot, illustrate the compound drug of the present invention has security to rice.
It is known that the illustrative embodiments that above-described embodiment uses only for explanation inventive principle, but it is of the invention This is not limited only to, those skilled in the art can make various improvement and change in the case where not departing from real situation of the present invention, these Improve and change falls within protection scope of the present invention.

Claims (3)

  1. A kind of 1. complex herbicidal composition, it is characterised in that：Active ingredient is fentrazamide and diflufenican, described four The mass ratio of azole amide and diflufenican is 0.1-40：0.5-50, both described fentrazamide and diflufenican Weight/mass percentage composition of the sum in Herbicidal combinations is 0.6-90%.
  2. 2. complex herbicidal composition according to claim 1, it is characterised in that：The composition can be prepared into wettable powder Agent, water dispersible granules, granule, microemulsion, aqueous emulsion, aqueous suspension agent, missible oil.
  3. 3. complex herbicidal composition according to claim 1 or 2 is used to prevent and treat rice terrace grass family, broad-leaved section, Cyperaceae The application of weeds.
CN201710332925.XA 2017-05-12 2017-05-12 A kind of complex herbicidal composition Pending CN107410348A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201710332925.XA CN107410348A (en) 2017-05-12 2017-05-12 A kind of complex herbicidal composition

Publications (1)

Publication Number Publication Date
CN107410348A true CN107410348A (en) 2017-12-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
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