CN116508770A - Ternary weeding composition containing haloxyfop-methyl, thifensulfuron-methyl and flufenacet - Google Patents

Ternary weeding composition containing haloxyfop-methyl, thifensulfuron-methyl and flufenacet Download PDF

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Publication number
CN116508770A
CN116508770A CN202310542857.5A CN202310542857A CN116508770A CN 116508770 A CN116508770 A CN 116508770A CN 202310542857 A CN202310542857 A CN 202310542857A CN 116508770 A CN116508770 A CN 116508770A
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China
Prior art keywords
methyl
flufenacet
thifensulfuron
weeds
weeding composition
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CN202310542857.5A
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Inventor
李祝
顾友合
张须斌
李冰清
李玉洁
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Anhui Longguan Biotechnology Co ltd
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Anhui Longguan Biotechnology Co ltd
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Priority to CN202310542857.5A priority Critical patent/CN116508770A/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
    • A01N43/72—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
    • 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
    • A01N43/82—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 three ring hetero atoms
    • 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
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
    • A01P13/00—Herbicides; Algicides
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

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

Abstract

The invention provides a ternary weeding composition containing haloxyfop-methyl, thifensulfuron-methyl and flufenacet, which comprises the following active ingredients in parts by mass: the mass ratio of the penoxsulam to the thifensulfuron methyl to the flufenacet is 1-10:0.1-10:1-50. The weeding composition can be used for preventing and controlling gramineous weeds, broadleaf weeds and nutgrass flatsedge in wheat fields. The weeding composition has remarkable synergistic effect, can expand weeding spectrum, solves various weed problems by one-time application, and overcomes the defects and limitations of single-dose application.

Description

Ternary weeding composition containing haloxyfop-methyl, thifensulfuron-methyl and flufenacet
Technical Field
The invention relates to the field of pesticides, in particular to a ternary weeding composition containing haloxyfop-methyl, thifensulfuron-methyl and flufenacet and application thereof.
Background
China is the largest wheat producer and consumer world worldwide, and the yield accounts for about 18% of the world. Weeds in the field are one of the important factors affecting the yield and quality of wheat, and can fight light, water, fertilizer and space with crops. The related data show that in the normal control year, the harm of weeds can lead to about 15% of wheat yield reduction, and serious land parcels can reduce more than 50%. At present, the most simple and effective wheat field weeding method is chemical weeding, but due to lack of scientific medication guidance, similar herbicides are used for successive years, the problems of poor weeding effect, high prevention and treatment cost and the like are increasingly serious, and the sustainable development of the agricultural ecological environment is not facilitated. In order to effectively control weeds in wheat fields, chemical control can only be performed by increasing the dosage at present, so that the drug resistance of the weeds is continuously enhanced, and even the weeds are developed into interactive resistance and multiple resistance, the drug cost is increased, and the green control concept is violated. In order to solve the problem of the enhancement of the drug resistance of the herbicide single agent, researchers develop and research from the angle of compounding the synergistic weeding composition.
The fenpyrazamine belongs to a novel isoxazole herbicide, is mainly absorbed by plants through buds and roots, and blocks the growth of apical meristems and coleoptile after the plants sprout. The soil sealing spraying treatment is performed before wheat sowing, the safety is good, the duration is long, the weed killing spectrum is wide, and various common weeds such as brome, myrtle, descurainia sophia, shepherd's purse and the like in the winter wheat field in the dry land can be effectively prevented and controlled.
Thifenesin is a selective systemic conduction sulfonylurea herbicide. The herbicide is absorbed by weeds after the herbicide is applied, is quickly conducted in vivo, prevents cell division, stops the growth of the weeds and gradually dies the weeds, and has a sealing effect on various annual broadleaf weeds in wheat fields and soybean fields. Mainly prevent and remove annual broadleaf weeds such as chrysanthemum, wild garlic, kohlrabi, amaranthus retroflexus, chenopodium album, herba fraxini, endive, thorn grass, field horsetail, cleaver, polygonum aviculare, swamp cabbage, black nightshade, veronicastrum and the like.
Fluothiazamide is an aryloxyacetamide compound, a cell division and growth inhibitor and a selective herbicide. Can effectively prevent and remove annual weeds such as green bristlegrass, barnyard grass, crabgrass and the like in corn fields, and annual weeds such as grassy, alopecuroide, japanese alopecuroide, hard grass and the like in winter wheat fields, and has certain inhibition effect on broadleaf weeds.
The Shandong Zhongshi medical Co., ltd CN115715546A discloses a weeding composition containing thifensulfuron methyl, which is characterized by comprising the following raw materials in parts by weight: 12-18 parts of metazopyr technical, 22-28 parts of thifensulfuron methyl technical, 5-9 parts of disintegrating agent, 2-4 parts of wetting agent, 4-8 parts of dispersing agent, 1-3 parts of chelating agent, 1-5 parts of modified adsorption component and 6-10 parts of activity inhibition component, wherein the modified adsorption component comprises white carbon black, hydrophobic cellulose and starch adhesive, and the weight ratio of the white carbon black, the hydrophobic cellulose and the starch adhesive is (1-3): 1, and the kaolin is complemented to 100 parts. There is no disclosure in this patent document as to whether there is a synergistic effect between the active ingredients.
The Jiangsu Longda Lamp chemical Co., ltd CN108697084A discloses a synergistic herbicidal composition comprising as active ingredients, haloxyfop-methyl and mesosulfuron-methyl, wherein the weight ratio of haloxyfop-methyl to mesosulfuron-methyl is 50:1 to 1:50; disclosed in this patent document is a binary herbicidal combination, and there is a difference in active ingredients.
The invention discloses a weeding composition containing flufenacet and haloxyfop-methyl, which is disclosed in CN105594712A of Hebei national institute of agriculture and forestry science, wherein the composition contains two active components of flufenacet and haloxyfop-methyl, and is prepared by mixing auxiliary agents such as wetting agent, dispersing agent, thickening agent, stabilizing agent, antifreezing agent, defoaming agent and water, and preparing a suspending agent by high-speed shearing, wet sanding and homogenizing filtration; compositions are also disclosed as having synergistic effects, but no ternary herbicidal combinations are disclosed.
The mountain Tongshengbang green field chemical Co., ltd CN105519555A discloses a cornfield post-emergence compound herbicide containing flufenacet, wherein the compound herbicide is prepared from the following components in percentage by weight: 1.5-24% of flufenacet, 5-50% of mesotrione, 0.5-19% of thifensulfuron methyl, 4-23% of auxiliary agent and 27-88% of solvent and/or carrier; the safety to corn and aftercrop is good; also delays and controls the succession of weed drug resistance and weed community in the field.
There is no report of ternary herbicidal compositions of penoxsulam, thifensulfuron-methyl and flufenacet disclosed in the prior art.
Disclosure of Invention
The invention aims to provide a weeding composition containing haloxyfop-methyl, thifensulfuron-methyl and flufenacet. The specific scheme is as follows:
a ternary weeding composition containing haloxyfop-methyl, thifensulfuron-methyl and flufenacet comprises the following active ingredients in parts by mass: the mass ratio of the penoxsulam to the thifensulfuron methyl to the flufenacet is 1-10:0.1-10:1-50.
Preferably, the mass ratio of the fenpyrad, the thifensulfuron-methyl and the flufenacet is 1-8:0.1-5:1-20.
Preferably, the mass ratio of the haloxyfop-methyl to the haloxyfop-methyl is 1-6:0.1-1:1-6.
The weeding composition comprises 1-80% of pesticide-usable auxiliary materials, 5-60% of preferable active ingredients and 10-40% of active ingredients.
The auxiliary material comprises one or more of dispersing agent, wetting agent, emulsifying agent, stabilizing agent, thickening agent, defoaming agent, binding agent, disintegrating agent, pH regulator, suspending agent, antifreezing agent, filler or solvent. Different auxiliary materials are selected according to the requirement to prepare corresponding dosage forms. The above auxiliary materials are all various components which are commonly used in pesticide preparations and allowed to be used, and are not particularly limited.
The herbicide composition can be in the forms of emulsifiable concentrate, oil suspending agent, wettable powder, water dispersible granule, dispersible oil suspending agent, aqueous emulsion or microemulsion
The weeding composition disclosed by the invention can be used for preventing and controlling weeds in wheat fields; the weeds are grassy weeds, broadleaf weeds and nutgrass flatsedge.
Beneficial technical effects
The weeding composition has remarkable synergistic effect, can effectively reduce the dosage of pesticides, reduces the times of using the pesticides, reduces the cost of using the pesticides, and reduces the adverse effect of the pesticides on the ecological environment. The weeding composition can expand weeding spectrum, solves various weed problems by one-time application, and overcomes the defects and limitations of single-dose application; prolonging the service life of the medicament and having important significance for comprehensive treatment of weed resistance; the pesticide effect is rapid, the duration is long, the use cost is low, and the pesticide can be used for preventing and controlling gramineous weeds, broadleaf weeds and sedge weeds in wheat fields; the weeding composition is safe for crops and wheat in field observation.
Detailed Description
Example 1: indoor bioassay of ternary herbicidal compositions on grassy weeds
Testing weeds: wheat-looking bride
Test conditions: the test was carried out in a greenhouse. The culture temperature is 15-20 ℃ at night; the daytime is 22-32 ℃;
the application method comprises the following steps: and (5) spraying soil before sowing. The pot with the diameter of 15cm is adopted, test soil is quantitatively filled at 4/5 parts of the pot, the soil is completely wetted in a pot bottom infiltrating irrigation mode, the pretreated test weed seeds are uniformly sown on the surface of the soil, 50 weed seeds are planted in each pot, then the soil is covered by 0.5cm and sown for 24 hours, and then the soil is sprayed in a spraying tower (ASS-1 pesticide spraying system, and the spraying pressure is 0.3 MPa\the spraying amount is 450kg/hm < 2 >).
The fresh weight of the overground parts of weeds is investigated 21d after the application, and the fresh weight control effect of each treatment is calculated according to a formula. Fresh weight control= (control fresh weight-treated fresh weight)/control fresh weight x 100%.
Combined action: the combined effect of the compositions was evaluated using a gwing.
E0 =x+y (100-Y)/100; when E-E0 is more than 10 percent, the synergistic effect is achieved; antagonism when E-E0 < -10%; when the E-E0 value is within 10% of the theoretical value, the addition effect is achieved.
Test results: as can be seen from table 1, the ternary complex composition has remarkable synergistic effect on gramineous weeds, namely, physalis alkekengi; especially, the flufenacet is added into the binary compound weeding composition containing the pyripyroxad and the thifensulfuron methyl, so that the control effect of the weeding composition on the physalis alkekengi can be remarkably improved, and the weeding composition has remarkable synergistic effect.
Table 1 determination of the Combined action of the Complex herbicide on Dinniang
Example 2: indoor bioassay of ternary herbicidal compositions against broadleaf weeds
Testing weeds: amaranthus retroflexus (L.) Baker
Test conditions: the test was carried out in a greenhouse. The culture temperature is 15-20 ℃ at night; the daytime is 22-32 ℃;
the application method comprises the following steps: and (5) spraying soil before sowing. The pot with the diameter of 15cm is adopted, test soil is quantitatively filled at 4/5 parts of the pot, the soil is completely wetted in a pot bottom infiltrating irrigation mode, the pretreated test weed seeds are uniformly sown on the surface of the soil, 50 weed seeds are planted in each pot, then the soil is covered by 0.5cm and sown for 24 hours, and then the soil is sprayed in a spraying tower (ASS-1 pesticide spraying system, and the spraying pressure is 0.3 MPa\the spraying amount is 450kg/hm < 2 >).
The fresh weight of the overground parts of weeds is investigated 21d after the application, and the fresh weight control effect of each treatment is calculated according to a formula. Fresh weight control= (control fresh weight-treated fresh weight)/control fresh weight x 100%.
Combined action: the combined effect of the compositions was evaluated using a gwing.
E0 =x+y (100-Y)/100; when E-E0 is more than 10 percent, the synergistic effect is achieved; antagonism when E-E0 < -10%; when the E-E0 value is within 10% of the theoretical value, the addition effect is achieved.
Test results: as can be seen from table 2, the ternary compound composition has a remarkable synergistic effect on broadleaf weeds, amaranth retroflexus; especially, the thifensulfuron methyl is added into the binary compound weeding composition containing the fenpyrad and the flufenacet, so that the control effect of the weeding composition on the physalis alkekengi can be remarkably improved, and the weeding composition has remarkable synergistic effect.
TABLE 2 determination of the Combined action of the Compound herbicides on Amaranthus retroflexus
Example 3:
test site: the wheat field is carried out in Daiyue area of Taian, shandong province, and the test land is flat in topography and loam.
Testing the medicament:
27% of sulfone-nitro-sulfone-fluoro oil suspending agent comprises the following components in percentage by weight:
10% of metazachlor, 2% of sulfometuron-ethyl, 15% of flufenacet, 3% of agricultural emulsion 1601#, 4% of sodium lignin sulfonate, 2% of NNO, 1.0% of bentonite and 100% of methyl oleate.
35% of sulfone-nitro-sulfone-fluoro oil suspending agent comprises the following components in percentage by weight:
12% of metazachlor, 3% of sulfometuron-ethyl, 20% of flufenacet, 6% of agricultural emulsion 1601#, 5% of sodium lignin sulfonate, 3% of NNO, 1.5% of bentonite and 100% of methyl oleate.
The testing method comprises the following steps: the trial set up drug treatment with blank control, with each treatment repeated 4 times, cell area 30m2 (5 x 6 m), randomized block arrangement. And (5) performing soil spray treatment after sowing.
Investigation of weed control: an absolute value investigation method is adopted. And respectively selecting 4 sampling points in a district at random after the medicine is taken for 45 days, measuring the fresh weight of overground parts of weeds at 0.25m < 2 > each sampling point, and calculating the fresh weight control effect according to a formula.
Fresh weight control= (control fresh weight-treated fresh weight)/control fresh weight x 100%.
Test results: the dosage of the active ingredients of the compound pesticide is 10-15 g/mu, and the compound pesticide has excellent control effect on wheat fields, grassy weeds and broadleaf weeds.
Table 3: field control effect test of compound medicament on weeds in wheat field
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same.

Claims (7)

1. The ternary weeding composition containing the haloxyfop-methyl, the thifensulfuron-methyl and the flufenacet is characterized by comprising the following active ingredients in parts by mass: the mass ratio of the penoxsulam to the thifensulfuron methyl to the flufenacet is 1-10:0.1-10:1-50.
2. The weeding composition according to claim 1, wherein the mass ratio of the penoxsulam, the thifensulfuron-methyl and the flufenacet is 1-8:0.1-5:1-20.
3. The weeding composition according to claim 2, wherein the mass ratio of the haloxyfop-methyl to the haloxyfop-methyl is 1-6:0.1-1:1-6.
4. A herbicidal composition according to any of claims 1-3, characterized in that it comprises pesticidally usable adjuvant ingredients in a percentage of 1-80% active ingredient.
5. The herbicidal composition of claim 4 wherein the adjuvant ingredients comprise one or more of dispersants, wetting agents, emulsifiers, stabilizers, thickeners, defoamers, binders, disintegrants, pH adjusters, suspending agents, anti-freeze agents, fillers or solvents.
6. The herbicidal composition of claim 5, wherein the herbicidal composition is in the form of an emulsifiable concentrate, an oil suspension, a wettable powder, a water dispersible granule, a dispersible oil suspension, an aqueous emulsion or a microemulsion.
7. Use of the herbicidal composition according to any one of claims 1 to 6 for controlling weeds in wheat fields, wherein the weeds are grasses, broadleaf weeds and nutgrass flatsedge.
CN202310542857.5A 2023-05-15 2023-05-15 Ternary weeding composition containing haloxyfop-methyl, thifensulfuron-methyl and flufenacet Pending CN116508770A (en)

Priority Applications (1)

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CN202310542857.5A CN116508770A (en) 2023-05-15 2023-05-15 Ternary weeding composition containing haloxyfop-methyl, thifensulfuron-methyl and flufenacet

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CN202310542857.5A CN116508770A (en) 2023-05-15 2023-05-15 Ternary weeding composition containing haloxyfop-methyl, thifensulfuron-methyl and flufenacet

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