WO2017206825A1 - Composition de désherbage à effets synergiques - Google Patents

Composition de désherbage à effets synergiques Download PDF

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Publication number
WO2017206825A1
WO2017206825A1 PCT/CN2017/086260 CN2017086260W WO2017206825A1 WO 2017206825 A1 WO2017206825 A1 WO 2017206825A1 CN 2017086260 W CN2017086260 W CN 2017086260W WO 2017206825 A1 WO2017206825 A1 WO 2017206825A1
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WO
WIPO (PCT)
Prior art keywords
composition
active ingredient
herbicidal composition
composition according
herbicidal
Prior art date
Application number
PCT/CN2017/086260
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English (en)
Chinese (zh)
Inventor
吴进龙
仲汉根
季红进
Original Assignee
江苏辉丰农化股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
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Application filed by 江苏辉丰农化股份有限公司 filed Critical 江苏辉丰农化股份有限公司
Publication of WO2017206825A1 publication Critical patent/WO2017206825A1/fr

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Classifications

    • 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
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
    • A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines

Definitions

  • the invention belongs to the field of agricultural plant protection, and in particular relates to a herbicidal composition with improved properties.
  • the active ingredient diflufenican is a carotenoid biosynthesis inhibitor. Causes chlorophyll destruction and cell rupture, and plant death.
  • Isoflufena is an amide herbicide that can form an anti-leaching medicinal soil layer on the soil surface before and after germination of the weeds to maintain activity throughout the growing period of the crop.
  • the flirazone can inhibit the carotenoid biosynthesis, and the carotenoid content in the weed plants of the absorption agent decreases, causing the chlorophyll to be destroyed and the cell membrane to rupture.
  • Weeds are characterized by decolorization or whitening of the young shoots, and finally the entire plant is wilted and dead.
  • Pyribenzoxim is a broad-spectrum herbicide for rice fields, a novel oxime ester compound, and a broad-spectrum selective post-emergence herbicide.
  • the mechanism of action is similar to sulfonylureas and imidazolium herbicides, all of which are acetolactate synthase (ALS) inhibitors. It has selective super-efficient post-emergence herbicidal activity against rice, common wheat and Zoysiagrass, and has no pre-emergence herbicidal activity. It is used to control various grasses and broadleaf weeds such as valerian, big stalk, maiden and spicy sorghum. The effect of the plan is outstanding, and it is safe for rice and common wheat.
  • ALS acetolactate synthase
  • the herbicide weeding rate is slower and can inhibit weed growth after application, but it must die after 2 weeks.
  • the drug is moderately broad and effective for the 1.5 to 6.5 leaf stage of Valerian. In the 2.5-3.5 leaf stage, 100% control can be achieved at a dose of 10g/h; a dose of 20g/h can be achieved in the 3.5-4.5 leaf stage to achieve 100% control.
  • the purpose of the invention is to screen the herbicide containing two different weeding principles for the resistance of the herbicide in practical application and the problem of soil residue, so as to improve the control effect of the herbicide, delay the generation of the resistance, and reduce the application amount. Reduce the cost of prevention.
  • Another object of the present invention is to provide an application of the above composition for controlling weeds in the agricultural field.
  • the object of the invention can be achieved by the following measures:
  • the present invention provides a synergistic herbicidal composition
  • a synergistic herbicidal composition comprising the active ingredients A and B, wherein the active ingredient A is diflufenic acid and the active ingredient B is pyrimidinyl ether.
  • the active ingredient of the composition of the present invention may contain only A and B, and may further contain other active ingredients without affecting the overall performance of the composition.
  • the weight ratio of the active ingredient flufenic acid to pyrimidinide in the composition is from 1 to 50:50 to 1.
  • the weight ratio of the active ingredient flufenic acid to pyrimidinide in the composition is from 1 to 30:30 to 1.
  • the weight ratio of the active ingredient flufenic acid to pyrimidinide in the composition is from 1 to 20:20 to 1.
  • the weight ratio between the two components of A and B can be arbitrarily adjusted within the range of the following ratios: 50:1, 45:1, 40:1, 35:1, 30: 1, 29:1, 28:1, 27:1, 26:1, 25:1, 24:1, 23:1, 22:1, 21:1, 20:1, 19:1, 18:1 17:1, 16:1, 15:1, 14:1, 13:1, 12:1, 11:1, 10:1, 9:1, 8:1, 7:1, 6:1, 5: 1, 4:1, 3:1, 2:1, 1:1, 1:2, 1:3, 1:4, 1:5, 1:6, 1:7, 1:8, 1:9, 1:10, 1:11, 1:12, 1:13, 1:14, 1:15, 1:16, 1:17, 1:18, 1:19, 1:20, 1:21, 1: 22, 1:23, 1:24, 1:25, 1:26, 1:27, 1:28, 1:29, 1:30, 1:35:, 1:40, 1:45, 1:50 It is also possible to select within the range consisting of any two of the above ratios.
  • composition provided by the present invention can be formulated into a pesticide-acceptable dosage form together with an active ingredient and an agrochemical adjuvant.
  • the active ingredient pyridoxal and pyrimethoxam has a mass content of 5 to 85%, preferably 5 to 75%.
  • compositions of the present invention may also comprise carriers, adjuvants and/or surfactants. Common auxiliaries can be mixed during the application.
  • Suitable auxiliaries may be solid or liquid, they are usually materials commonly used in the processing of dosage forms, such as natural or regenerated minerals, solvents, dispersants, wetting agents, adhesives, thickeners, binders or fertilizers. .
  • the method of application of the compositions of the invention comprises the use of the compositions of the invention for aerial parts of plants, in particular leaves or foliage.
  • the frequency of administration and the amount administered will depend on the biological and climatic conditions of the pathogen.
  • Can produce plants Long sites, such as rice fields, are wetted with a liquid formulation of the composition, or the composition is applied to the soil in solid form, such as in the form of granules (soil application), the composition can be introduced from the soil into the plant through the roots of the plant (inhalation) effect).
  • compositions may be applied only by the active ingredient (also referred to as the active ingredient) or may be used in combination with the additives, so that the composition of the present invention can be prepared into various dosage forms such as a suspending agent, a dispersible oil suspension, and an aqueous emulsion. , emulsifiable concentrate, water-dispersible granules, etc.
  • the compositions may be applied by spraying, misting, dusting, spreading or pouring, and the like.
  • composition of the present invention can be prepared into various dosage forms by a known method, for example, the active ingredient and an auxiliary agent such as a solvent, a solid carrier, and if necessary, can be uniformly mixed with a surfactant and ground to prepare a desired form.
  • an auxiliary agent such as a solvent, a solid carrier, and if necessary, can be uniformly mixed with a surfactant and ground to prepare a desired form.
  • the above solvent may be selected from aromatic hydrocarbons, preferably containing from 8 to 12 carbon atoms, such as a mixture of xylenes or substituted benzenes, phthalates such as dibutyl phthalate or dicaprylic acid, aliphatic hydrocarbons such as rings.
  • aromatic hydrocarbons preferably containing from 8 to 12 carbon atoms, such as a mixture of xylenes or substituted benzenes, phthalates such as dibutyl phthalate or dicaprylic acid, aliphatic hydrocarbons such as rings.
  • Alkenes or paraffins, alcohols and glycols and their ethers and esters such as ethanol, ethylene glycol, ethylene glycol monomethyl
  • ketones such as cyclohexanone
  • highly polar solvents such as N-methyl-2 Pyrrolidone, dimethyl sulfoxide or dimethylformamide
  • vegetable or vegetable oils such as soybean oil.
  • the above solid carriers are typically natural mineral fillers such as talc, kaolin, montmorillonite or activated clay.
  • a highly dispersible silicic acid or a highly dispersible adsorbent polymer carrier such as a particulate adsorbent carrier or a non-adsorbing carrier, and a suitable particulate adsorbent carrier is porous, such as pumice, bentonite or Bentonite; a suitable non-adsorbing carrier such as calcite or sand.
  • a large amount of pre-granulated materials of inorganic or organic nature can be used as a carrier, in particular dolomite.
  • Suitable surfactants are lignosulfonic acid, naphthalenesulfonic acid, phenolsulfonic acid, alkaline earth metal or amine salts, alkylarylsulfonates, alkyl groups Sulfates, alkyl sulfonates, fatty alcohol sulphates, fatty acids and sulfated fatty alcohol glycol ethers, as well as condensates of sulfonated naphthalene and naphthalene derivatives with formaldehyde, naphthalene or naphthalene sulfonic acid with phenol and formaldehyde Condensate, polyoxyethylene octyl phenyl ether, ethoxylated isooctyl phenol, octyl phenol, nonyl phenol, alkyl aryl polyglycol ether, tributyl benzene poly
  • the two active ingredients in the compositions of the present invention exhibit synergistic effects, the activity of which is more pronounced than the expected sum of activity using a single compound, and the individual activity of a single compound.
  • the synergistic effect is manifested by allowing for a reduced application rate, a broader herbicidal control profile, quicker effect, longer lasting control effect, better control of weeds by only one or a few applications, and widening of possible application intervals . These characteristics are particularly needed to control weed control practices.
  • the herbicidal composition of the invention can be applied to the control of crop weeds in the agricultural field, in particular to control weeds and calves Or weeds such as flat stalks.
  • the other characteristics exhibited by the herbicidal composition of the present invention are mainly as follows: 1. Since the chemical composition of the two single agents of the present composition is very different, the mechanism of action is completely different, and there is no cross-resistance, and two single agents can be delayed. The resulting resistance problem is used alone; 2. The composition of the present invention is safe and effective against crops. It has been proved by experiments that the herbicide composition of the invention has stable chemical properties, remarkable synergistic effect, and exhibits obvious synergistic effect and complementary effect on the control object.
  • the active ingredient flufenic acid and pyrimethoxam, auxiliary agent and filler are uniformly mixed according to the formula, pulverized into a wettable powder by air flow, and then added with a certain amount of water to be mixed and granulated, and after being sieved by drying. A water dispersible granule product is obtained.
  • Example 1 72% flufenacetate pyrimidine ether water dispersible granules
  • Example 2 72% flufenacetate pyrimidine ether water dispersible granules
  • the active ingredient pyripramine and pyrimethoxam, dispersant, wetting agent, thickener and water are mixed uniformly according to the formula, and after sanding and/or high-speed shearing, semi-finished products are obtained. After the analysis, the water is added and uniformly filtered to obtain the finished product.
  • the surfactant is mixed with the oil base and mixed in proportion, and the active ingredient piracetamide and pyrimidin are added under shearing and stirring, and ground in a sand mill and ground until a certain range of particle diameter is can.
  • Example 6 25% flufenacetate ⁇ pyrimidine ether dispersible oil suspension agent
  • the active ingredient flufenacetamide is mixed with pyrimidine oxalate, solvent and auxiliary agent under mechanical agitation, then added to the emulsifier and stabilizer to be evenly stirred. Finally, water is added and stirred at a speed of 100-12000 rpm. 10-30 minutes to make it a homogeneous milky product.
  • Example 8 42% flufenacetate pyrimidine ether water emulsion
  • the disease index and control effect were calculated.
  • the control effect is converted into the probability value (y)
  • the concentration of the drug solution ( ⁇ g/ml) is converted into the logarithm value (x)
  • the virulence equation is calculated by the least squares method and the concentration EC50 is suppressed
  • the virulence index of the drug is calculated according to the method of Sun Yunpei. Grade Co-toxicity coefficient (CTC).
  • CTC Grade Co-toxicity coefficient
  • Measured virulence index (ATI) (standard drug EC50 / test drug EC50) * 100
  • Theoretical virulence index (TTI) A virulence index * Percentage of A in the mixture + B virulence index * Percentage of B in the mixture
  • CTC Co-toxicity coefficient [mixture measured virulence index (ATI) / mixed theory virulence index (TTI)] * 100
  • CTC ⁇ 80 the composition showed antagonism, 80 ⁇ CTC ⁇ 120, the composition showed an additive effect, CTC ⁇ 120, and the composition showed synergistic effect.

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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

La présente invention concerne une composition de désherbage à effets synergiques et, en particulier, une composition herbicide permettant de prévenir et d'éliminer efficacement les mauvaises herbes. La composition comprend un constituant A et un constituant B, le constituant A étant le diflufénican et le constituant B étant le pyribenzoxim. Des tests pharmacodynamiques montrent que la composition possède des caractéristiques positives de forte complémentarité, un effet synergique évident, un spectre accru de lutte contre les mauvaises herbes, une quantité d'application réduite, un temps d'application approprié prolongé, une sécurité de culture élevée, une pollution environnementale réduite, une bonne compatibilité environnementale et analogue.
PCT/CN2017/086260 2016-05-30 2017-05-27 Composition de désherbage à effets synergiques WO2017206825A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201610375878 2016-05-30
CN201610375878.2 2016-05-30
CN201610641465.4A CN106259349B (zh) 2016-05-30 2016-08-07 具有增效作用的除草组合物
CN201610641465.4 2016-08-07

Publications (1)

Publication Number Publication Date
WO2017206825A1 true WO2017206825A1 (fr) 2017-12-07

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PCT/CN2017/086260 WO2017206825A1 (fr) 2016-05-30 2017-05-27 Composition de désherbage à effets synergiques

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CN (1) CN106259349B (fr)
WO (1) WO2017206825A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115486460A (zh) * 2022-11-15 2022-12-20 北京金泰毅农作物科技有限公司 一种含有Cyclopyranil和吡氟酰草胺的除草剂组合物
CN115568479A (zh) * 2022-11-03 2023-01-06 江西正邦作物保护股份有限公司 一种含有砜吡草唑的复合除草剂组合物及其制备方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106259349B (zh) * 2016-05-30 2019-04-16 江苏辉丰农化股份有限公司 具有增效作用的除草组合物
CN110214784A (zh) * 2019-07-15 2019-09-10 史卫斌 含有吡氟酰草胺的除草组合物

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CN101473823A (zh) * 2008-12-18 2009-07-08 孙家隆 一种嘧啶肟草醚和氟吡草胺除草剂组合物
CN105360154A (zh) * 2015-12-20 2016-03-02 安徽蓝田农业开发有限公司 一种含嘧啶肟草醚与唑草胺的除草剂组合物
CN105409960A (zh) * 2015-12-23 2016-03-23 广东中迅农科股份有限公司 含有吡氟酰草胺和炔草酯的除草组合物
CN105494353A (zh) * 2015-12-29 2016-04-20 南京华洲药业有限公司 一种含磺酰草吡唑与嘧啶肟草醚的混合除草剂
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CN106259349A (zh) * 2016-05-30 2017-01-04 江苏辉丰农化股份有限公司 具有增效作用的除草组合物

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US5521146A (en) * 1993-11-13 1996-05-28 Lucky Ltd. Herbicidal pyrimidine derivatives, process for preparation thereof and their use as herbicide
GB9814846D0 (en) * 1998-07-08 1998-09-09 Rhone Poulenc Agriculture New herbicidal compositions
DE19947918A1 (de) * 1999-10-06 2001-04-12 Bayer Ag Selektive Herbizide auf Basis von Pyrimidin-Derivaten

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CN101473823A (zh) * 2008-12-18 2009-07-08 孙家隆 一种嘧啶肟草醚和氟吡草胺除草剂组合物
CN105360154A (zh) * 2015-12-20 2016-03-02 安徽蓝田农业开发有限公司 一种含嘧啶肟草醚与唑草胺的除草剂组合物
CN105409960A (zh) * 2015-12-23 2016-03-23 广东中迅农科股份有限公司 含有吡氟酰草胺和炔草酯的除草组合物
CN105494353A (zh) * 2015-12-29 2016-04-20 南京华洲药业有限公司 一种含磺酰草吡唑与嘧啶肟草醚的混合除草剂
CN106259349A (zh) * 2016-05-30 2017-01-04 江苏辉丰农化股份有限公司 具有增效作用的除草组合物
CN106106478A (zh) * 2016-06-30 2016-11-16 芜湖芳华生物科技有限公司 一种含嘧啶肟草醚的悬浮剂及其制备方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115568479A (zh) * 2022-11-03 2023-01-06 江西正邦作物保护股份有限公司 一种含有砜吡草唑的复合除草剂组合物及其制备方法
CN115568479B (zh) * 2022-11-03 2023-11-14 江西正邦作物保护股份有限公司 一种含有砜吡草唑的复合除草剂组合物及其制备方法
CN115486460A (zh) * 2022-11-15 2022-12-20 北京金泰毅农作物科技有限公司 一种含有Cyclopyranil和吡氟酰草胺的除草剂组合物
CN115486460B (zh) * 2022-11-15 2023-03-03 北京金泰毅农作物科技有限公司 一种含有Cyclopyranil和吡氟酰草胺的除草剂组合物

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Publication number Publication date
CN106259349A (zh) 2017-01-04
CN106259349B (zh) 2019-04-16

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