CN107125255A - A kind of rice weeding composition - Google Patents

A kind of rice weeding composition Download PDF

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Publication number
CN107125255A
CN107125255A CN201710496984.0A CN201710496984A CN107125255A CN 107125255 A CN107125255 A CN 107125255A CN 201710496984 A CN201710496984 A CN 201710496984A CN 107125255 A CN107125255 A CN 107125255A
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CN
China
Prior art keywords
azoles
piperazine pyrazosulfuron
sulfone
sulfone pyrrole
careless
Prior art date
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Pending
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CN201710496984.0A
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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 CN201710496984.0A priority Critical patent/CN107125255A/en
Publication of CN107125255A publication Critical patent/CN107125255A/en
Pending 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
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
    • A01N43/80—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2
    • 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<
    • A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one 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 rice weeding composition, active ingredient is piperazine pyrazosulfuron and the careless azoles of sulfone pyrrole, and the mass ratio of piperazine pyrazosulfuron and the careless azoles of sulfone pyrrole is 0.1 40：0.1 40, both sums are 0.1 70% in the percentage composition of Herbicidal combinations, and can be prepared into wettable powder, water dispersible granules, aqueous suspension agent, granule.The features such as rice weeding composition of the present invention has good safety and environmental protection, prevention effect, herbicide spectrum width.

Description

A kind of rice weeding composition
Technical field
The invention belongs to technical field of pesticide, especially herbicide field, and in particular to a kind of weeding group of two-spot compounding Compound, the Herbicidal combinations are used for rice weeding.
Background technology
Piperazine pyrazosulfuron is selective inner-adsorption conduction-type herbicide, mainly passes through root system to belong to sulfonylurea herbicide Absorbed, shifted rapidly in weeds plant body, suppress growth, weeds are gradually dead.Paddy rice can decompose the medicament, and paddy rice is given birth to Length has little to no effect.Efficacy stability, safe, 25-35 days lasting period.To barnyard grass and wild water chestnut, Herba Cyperi Glomerati, reed etc. one Year is raw and perennial weeds prevents and kill off activity with higher, also anti-to sulfonylureas such as firefly Lin, Monochoria vaginalis, Monochoria korsakowii, angustifolia arrowhead herbs Property weeds have excellent preventive effect effect.
Sulfone pyrrole grass azoles Shi isoxazole herbicides, with the effect for suppressing plant cell division.The herbicide is earliest by day This K-I chemistry institutes are found, realize industrialization by the former chemical format combination of Japanese combinatorial chemistry form and Japanese Buddhist nunnery later. Sulfone pyrrole grass azoles is mainly used in preventing and kill off the grass family and the new herbicide before seedling stage of broad-leaved section weeds of corn and soybean field and wheat paddock. The weeds such as annual gramineous weed, including setaria, knotgrass, Echinochloa, sorghum and Amaranthus, datura can effectively be prevented and treated The broad leaved weeds such as category, Solanum, abutilon, Chenopodium.Its herbicide controlling spectrum is more than Acetochlor and propisochlor, to piemarker, artemisiifolia, wide vane arm The prevention effect of nearly all weeds such as shape grass, millet, green bristlegrass is superior to stable preventive effect after propisochlor, and spray and reaches 85d As long as；Under drought condition, it prevents and treats green green bristlegrass and the effect of amaranth is better than S- isopropyl methoxalamines；Low dosage preventing and treating is various miscellaneous The term of validity of grass is longer.
Both the above medicine easily makes plant develop immunity to drugs after long-term exclusive use, cause dosage to increase, The problems such as preventive effect reduction, lasting period shorten.
The content of the invention
In consideration of it, it is an object of the invention to provide a kind of Herbicidal combinations and its preparation.The preventing and treating of the Herbicidal combinations Effect is good, herbicide spectrum width, can effectively prevent and treat rice weed, can be prepared into wettable powder, water dispersible granules, aqueous suspension Agent, granule, can be used as agent for removing grass in paddy field.
To realize the goal of the invention of the present invention, the present invention provides following technical scheme：
A kind of rice weeding composition, it is characterised in that the Herbicidal combinations include active ingredient piperazine pyrazosulfuron and sulfone pyrrole Careless azoles, the mass ratio of both active ingredients is 0.1-40：0.1-40, the percentage composition that both sums account for Herbicidal combinations is 0.1-70%.
In the two-spot complex preparation of the present invention, in addition to active ingredient, the auxiliary agent allowed on agricultural chemicals can be also added, to prepare Into any one formulation.It is preferred that being processed into wettable powder, water dispersible granules, aqueous suspension agent, granule.
Described insecticides adjuvant includes dispersant, wetting agent, disintegrant, binder, adsorbent, antifreezing agent, preservative, increasing Thick dose, thixotropic agent etc., these auxiliary agents use conventional known compound.
When preparing wettable powder, the mass ratio of piperazine pyrazosulfuron and the careless azoles of sulfone pyrrole is 1-40：1-30；
When preparing water dispersible granules, the mass ratio of piperazine pyrazosulfuron and the careless azoles of sulfone pyrrole is 10-30：20-40；
When preparing aqueous suspension agent, the mass ratio of piperazine pyrazosulfuron and the careless azoles of sulfone pyrrole is 5-20：10-30；
When preparing granule, the mass ratio of piperazine pyrazosulfuron and the careless azoles of sulfone pyrrole is 0.1-8：0.1-8.
The present invention dexterously make use of the piperazine pyrazosulfuron mechanism of action different from the herbicide of the careless azoles of sulfone pyrrole.Both are entered Row compounding is so as to reach the effect of synergy, and this Herbicidal composition for rice field has that herbicidal effect is more efficient, herbicide controlling spectrum is wider, hold The advantage such as the effect phase is longer.
Embodiment
The piperazine pyrazosulfuron sulfone pyrroles of S1 10% grass azoles wettable powder
The careless azoles 2% of piperazine pyrazosulfuron 8%, sulfone pyrrole, dispersant naphthalenesulfonic acid-formaldehyde condensate 1%, wetting agent dodecyl Sodium sulphate 0.5%, filler diatomite 88.5%.The wettable powder product of the present invention is made according to conventional formulation method.
The piperazine pyrazosulfuron sulfone pyrroles of S2 30% grass azoles wettable powder
The careless azoles 10% of piperazine pyrazosulfuron 20%, sulfone pyrrole, dispersant calcium lignosulfonate 1.5%, wetting agent polyoxyethylene alkane Base phenyl ether sodium sulfate 1%, filler talcum powder 67.5%.The wettable powder production of the present invention is made according to conventional formulation method Product.
The piperazine pyrazosulfuron sulfone pyrroles of S3 70% grass azoles wettable powder
The careless azoles 30% of piperazine pyrazosulfuron 40%, sulfone pyrrole, the wooden disulfonate acid 2.5% of dispersant, wetting agent dodecyl sulphur Sour sodium 2%, filler cornstarch 25.5%.The wettable powder product of the present invention is made according to conventional formulation method.
The piperazine pyrazosulfuron sulfone pyrroles of S4 35% grass azoles water dispersible granules
The careless azoles 23% of piperazine pyrazosulfuron 12%, sulfone pyrrole, dispersant polycarboxylic acids sodium 1.5%, wetting agent octadecyl succinic acid Sodium 1%, disintegrant ammonium sulfate 3%, binder glucose 4%, filler cornstarch 55.5%.According to conventional formulation method system Obtain water dispersible granules product of the invention.
The piperazine pyrazosulfuron sulfone pyrroles of S5 50% grass azoles water dispersible granules
The careless azoles 30% of piperazine pyrazosulfuron 20%, sulfone pyrrole, dispersant polycarboxylic acids sodium 2%, wetting agent octadecyl sodium succinate 1.5%th, disintegrant ammonium sulfate 3.5%, binder glucose 4.5%, filler diatomite 38.5%.According to conventional formulation method The water dispersible granules product of the present invention is made.
The piperazine pyrazosulfuron sulfone pyrroles of S6 70% grass azoles water dispersible granules
The careless azoles 40% of piperazine pyrazosulfuron 30%, sulfone pyrrole, the wooden disulfonate acid 3% of dispersant, wetting agent Negel 2.5%th, disintegrant ammonium sulfate 4%, binder soluble starch 5%, filler diatomite 15.5%.According to conventional formulation method system Obtain water dispersible granules product of the invention.
The piperazine pyrazosulfuron sulfone pyrroles of S7 15% grass azoles aqueous suspension agent
The careless azoles 10% of piperazine pyrazosulfuron 5%, sulfone pyrrole, dispersant xylonic acid sulfoacid calcium 1%, wetting agent DBSA Sodium 0.5%, thickener aluminium-magnesium silicate 1%, thixotropic agent white carbon 1.5%, antifreezing agent propane diols 3%, preservative paraformaldehyde 1%th, deionized water 77%.According to conventional formulation method with the aqueous suspension agent product that the present invention is made.
The piperazine pyrazosulfuron sulfone pyrroles of S8 32% grass azoles aqueous suspension agent
The careless azoles 20% of piperazine pyrazosulfuron 12%, sulfone pyrrole, the wooden disulfonate acid 1.5% of dispersant, wetting agent amber dioctyl ester Sodium sulfonate 1%, thickener aluminium-magnesium silicate 3%, thixotropic agent white carbon 2.5%, antifreezing agent glycerine 4%, Preservative Kathon CG(Methylchloroisothiazolinone/Methylisothiazolinone combination) 3%, Deionized water 53%.According to conventional formulation method with the aqueous suspension agent product that the present invention is made.
The piperazine pyrazosulfuron sulfone pyrroles of S9 45% grass azoles aqueous suspension agent
The careless azoles 27% of piperazine pyrazosulfuron 18%, sulfone pyrrole, formaldehyde condensation products 2%, the wetting agent of dispersant alkyl naphthalene sulfonate It is neopelex 1.5%, thickener xanthan gum 5%, thixotropic agent white carbon 3.5%, antifreezing agent glycerine 5%, anti- Rotten agent paraformaldehyde 4%, deionized water 34%.According to conventional formulation method with the aqueous suspension agent product that the present invention is made.
The piperazine pyrazosulfuron sulfone pyrroles of S10 0.8% grass azoles granule
The careless azoles 0.3% of piperazine pyrazosulfuron 0.5%, sulfone pyrrole, adsorbent activity carclazyte 0.08%, binder dextrin 0.02%, Filler diatomite 99.1%.According to conventional formulation method with the granule product that the present invention is made.
The piperazine pyrazosulfuron sulfone pyrroles of S11 8% grass azoles granule
The careless azoles 5% of piperazine pyrazosulfuron 3%, sulfone pyrrole, adsorbent white carbon 3.5%, binder polyacrylamide 2.5%, fill out Expect bentonite 86%.According to conventional formulation method with the granule product that the present invention is made.
The piperazine pyrazosulfuron sulfone pyrroles of S12 12% grass azoles granule
The careless azoles 7% of piperazine pyrazosulfuron 5%, sulfone pyrrole, adsorbent activity carclazyte 4.5%, binder hydroxymethyl cellulose 3.5%th, filler clay 80%.According to conventional formulation method with the granule product that the present invention is made.
Comparative example
The piperazine pyrazosulfuron water dispersible granules of D1 33%
33% piperazine pyrazosulfuron water dispersible granule is conventionally made.
The sulfone pyrroles of D2 60% grass azoles water dispersible granules
The careless azoles water dispersible granules of 60% sulfone pyrrole are conventionally made.
1) toxicity determination test
Test objective：Piperazine pyrazosulfuron is matched somebody with somebody with the careless azoles of sulfone pyrrole and different blended and combined to barnyard grass, duck under the conditions of greenhouse pot culture Tongue grass, the herbicidal effect of difformed galingale herb, and its synergy is have rated respectively.
For studying thing：Paddy rice.
Control object：Grassy weed：Barnyard grass；Broad leaved weed：Monochoria vaginalis；Nutgrass flatsedge：Difformed galingale herb.
Material to be tested：The careless azoles active compound of 91% piperazine pyrazosulfuron active compound, 97% sulfone pyrrole.
Test method：
Piperazine pyrazosulfuron surveys object with the careless azoles of sulfone pyrrole using barnyard grass, Monochoria vaginalis, difformed galingale herb as raw.Removed from not applying Careless agent, pH6.8 soil, soil is air-dried after sieving, and in the high 6cm of loading, diameter 9cm polypots, 20 seeds are sowed per basin, It is placed in greenhouse and cultivates after fine earth thick lid 0.5-1cm, treats that weeds length to the 2-4 leaf phases use potted plant cauline leaf process method (NY/T 1155.4-2006), per alms bowl spraying liquid 1mL, often processing is repeated 4 times, and sets the processing without medicament as control.Material is tried after processing Range estimation target damage symptoms and growth inhibition feelings after culture, the growing state of routine observation target weeds, 20d are placed in greenhouse Condition, 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 piperazine pyrazosulfuron, the careless azoles of sulfone pyrrole it is mixed after the weeds weight surveyed be the percentage for compareing weeds weight.
The theoretical preventive effect of mixture is calculated according to below equation：
E0=X × Y/100
In formula, X is that piperazine pyrazosulfuron weeds weight under certain dosage is the percentage for compareing weeds weight；Y is sulfone pyrrole grass Azoles weeds weight under certain dosage is the percentage of control weeds weight.
E-E0＞ 10% is antagonism；E-E0＜ -10% is synergistic effect；E-E0Value is addition between ± 10% Effect.
The preventive effect of the piperazine pyrazosulfuron of table 1, sulfone pyrrole grass azoles and its mixture to barnyard grass
Table 1 shows that specifically proportioning is 4+10,4+12.5,4+15,6+10,6+12.5,6+ to piperazine pyrazosulfuron with the careless azoles of sulfone pyrrole The E-E of 15,8+10,8+12.5,8+15 two-spot complex composition0Both less than -10%, synergistic effect is shown as to barnyard grass；And work as Synergistic effect when its binary built is 8+15 is the most notable, its E-E0It is worth for -28.82%.
The preventive effect of the piperazine pyrazosulfuron of table 2, sulfone pyrrole grass azoles and its mixture to Monochoria vaginalis
Table 2 shows that specifically proportioning is 6+15 to piperazine pyrazosulfuron with the careless azoles of sulfone pyrrole, the most obvious to Monochoria vaginalis synergistic effect, Its E-E0It is worth for -26.73%.
The preventive effect of the piperazine pyrazosulfuron of table 3, sulfone pyrrole grass azoles and its mixture to difformed galingale herb
Table 3 shows that specifically proportioning is 8+15 to piperazine pyrazosulfuron with the careless azoles of sulfone pyrrole, and synergistic effect is shown as to difformed galingale herb, Its E-E0It is worth for -31.25%.
2) field control effectiveness test
Reagent agent：Embodiment S1-12.
Comparison medicament：Comparative example 1-2.
Subjects：Grass family：Barnyard grass, green bristlegrass；Broad-leaved section：Piemarker, Monochoria vaginalis；Cyperaceae：Herba Cyperi Glomerati, special-shaped Sha Grass.
Test method：
According to the area of experimental plot, the good various medicaments of precise, and be watered after dilution, using knapsack sprayer, 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 to experiment small Qu Zhong, accomplishes the phenomenon sprayed without drain spray, more.20d, 40d observe weeds death condition after medicine respectively after experiment, and relatively more each The activity of weeding of medicament is planted, 4,5 are specifically shown in Table.In addition, the condition of production of crop is also observed in 1-15d after medicine, to investigate Whether medicament has poisoning to crop, is specifically shown in Table 6.
The effect of 20 days after the piperazine pyrazosulfuron of table 4 and the careless azoles dispenser of sulfone pyrrole
The effect of 40 days after the piperazine pyrazosulfuron of table 5 and the careless azoles dispenser of sulfone pyrrole
As can be seen that the present invention is used by two kinds of active ingredient piperazine pyrazosulfurons and the careless azoles mixture of sulfone pyrrole from table 4,5, Drug effect is played also than very fast, and the preventive effect to barnyard grass, green bristlegrass, piemarker, Monochoria vaginalis, Herba Cyperi Glomerati, difformed galingale herb is independent higher than agricultural chemicals The preventive effect used, while grass family, broad-leaved section weeds, overall also above the two kinds agricultural chemicals of preventive effect of sedge weed are used alone Overall preventive effect, achieving significant synergistic effect, there is provided overall preventive effect so that herbicide controlling spectrum of the invention further expands Exhibition.The herbicide medication of the present invention simultaneously is substantially better than the preventing and treating effect that two kinds of agricultural chemicals are used alone after 20 days with drug effect after 40 days Really, this shows that the herbicide of the present invention is not only acted on more persistently, and is difficult so that weeds especially malignant weed is produced and resisted The property of medicine.
The piperazine pyrazosulfuron of table 6 is with the careless azoles of sulfone pyrrole to crop rice safety sex investigation
Table 6 shows that the rice seedlings that herbicide of the present invention is respectively handled in cell grow fine, and has no any obvious medicine spot, explanation The herbicide of the present invention is safe to paddy rice.Herbicide of the present invention is easily degraded, to rice safety, is had no side effect；In soil Middle residual life, is short, to succession crop safety.
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 rice weeding composition, it is characterised in that：Active ingredient is piperazine pyrazosulfuron and the careless azoles of sulfone pyrrole, described piperazine pyrrole The mass ratio of Sulfometuron Methyl and the careless azoles of sulfone pyrrole is 0.1-40：0.1-40, the mass percent that both sums are accounted in Herbicidal combinations is 0.1-70%.
2. rice weeding composition according to claim 1, it is characterised in that：Described rice weeding composition can be prepared Into wettable powder, water dispersible granules, aqueous suspension agent, granule.
3. rice weeding composition according to claim 1 or 2 is used to prevent and treat grass family, broad-leaved section, sedge weed.
CN201710496984.0A 2017-06-24 2017-06-24 A kind of rice weeding composition Pending CN107125255A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109673651A (en) * 2018-12-26 2019-04-26 广西壮族自治区农业科学院玉米研究所 A kind of composition pesticide of cornfield weeding
CN113367149A (en) * 2021-06-09 2021-09-10 广西壮族自治区农业科学院 Herbicidal composition of topramezone and ethoxysulfuron and application thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109673651A (en) * 2018-12-26 2019-04-26 广西壮族自治区农业科学院玉米研究所 A kind of composition pesticide of cornfield weeding
CN113367149A (en) * 2021-06-09 2021-09-10 广西壮族自治区农业科学院 Herbicidal composition of topramezone and ethoxysulfuron and application thereof

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Application publication date: 20170905