EP4125382A1 - Combinaison herbicide - Google Patents

Combinaison herbicide

Info

Publication number
EP4125382A1
EP4125382A1 EP21715953.2A EP21715953A EP4125382A1 EP 4125382 A1 EP4125382 A1 EP 4125382A1 EP 21715953 A EP21715953 A EP 21715953A EP 4125382 A1 EP4125382 A1 EP 4125382A1
Authority
EP
European Patent Office
Prior art keywords
metamitron
combination
diflufenican
picolinafen
crop
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21715953.2A
Other languages
German (de)
English (en)
Inventor
Jean-Philippe POLLET
Jean-Jaques Heller
Tony KIEVIT
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
UPL Europe Ltd
UPL Corp Ltd
Original Assignee
UPL Europe Ltd
UPL Corp Ltd
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
Publication date
Application filed by UPL Europe Ltd, UPL Corp Ltd filed Critical UPL Europe Ltd
Publication of EP4125382A1 publication Critical patent/EP4125382A1/fr
Pending legal-status Critical Current

Links

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
    • A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
    • A01N43/707—1,2,3- or 1,2,4-triazines; Hydrogenated 1,2,3- or 1,2,4-triazines
    • 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

Definitions

  • the present invention relates to combinations of herbicides for controlling harmful undesirable plants.
  • the present invention more specifically relates to a synergistic combination of herbicides.
  • Weeds are undesirable plants that can severely damage yield in crops. farmers usually control these plants at the pre-plant stage as well as after sowing. Modern herbicides are used to either control or suppress these undesirable plants so as to allow sown crops a greater share of nutrient.
  • Combinations of herbicides are used to control a broader range of weeds.
  • the combination of herbicides may not always result in the desired effect.
  • Combination of herbicides may lead to an additive effect or an antagonistic effect. It may also result in phytotoxicity to the crops making it an undesirable combination.
  • Agronomists must therefore carefully select the herbicides that can be combined to offer a synergistic effect that would control weeds while having no phytotoxic effect on the crop, and reduce the chances of development of herbicide resistant weeds.
  • Embodiments of the present invention may therefore ameliorate one or more of the above-mentioned problems.: Summary of the invention:
  • the present invention may provide a herbicidal combination comprising:
  • At least one anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, eriserixiancaoan, etobenzamid, fenasulam, flufenacet, flufenican, ipfencarbazone, mefenacet, mefluidide, metamifop, monalide, naproanilide, pentanochlor, picolinafen, propanil, sulfentrazone, and tetflupyrolimet.
  • anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, erlujixiancaoan, etobenzamid, fenasulam, flufenacet, flufenican, ipfencarbazone, mefenacet, mefluidide, meta
  • the present invention may provide a herbicidal combination comprising:
  • At least one anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, eriserixiancaoan, etobenzamid, fenasulam, flufenacet, ipfencarbazone, mefenacet, mefluidide, metamifop, monalide, naproanilide, pentanochlor, picolinafen, propanil, sulfentrazone, and tetflupyrolimet; and
  • At least one pyridine herbicide selected from the group consisting of aminopyralid, cliodinate, clopyralid, diflufenican, dithiopyr, florpyrauxifen, flufenican, fluroxypyr, halauxifen, haloxydine, picloram, picolinafen, pyriclor, pyroxsulam, thiazopyr, and triclopyr.
  • the present invention may provide a method of controlling weeds at a locus, said method comprising applying to the locus a herbicidal combination comprising:
  • At least one anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, eriserixiancaoan, etobenzamid, fenasulam, flufenacet, flufenican, ipfencarbazone, mefenacet, mefluidide, metamifop, monalide, naproanilide, pentanochlor, picolinafen, propanil, sulfentrazone, and tetflupyrolimet.
  • anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, erlujixiancaoan, etobenzamid, fenasulam, flufenacet, flufenican, ipfencarbazone, mefenacet, mefluidide, meta
  • the present invention may provide a method of controlling weeds at a locus, said method comprising applying to the locus a herbicidal combination comprising:
  • At least one anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, eriserixiancaoan, etobenzamid, fenasulam, flufenacet, ipfencarbazone, mefenacet, mefluidide, metamifop, monalide, naproanilide, pentanochlor, picolinafen, propanil, sulfentrazone, and tetflupyrolimet; and
  • At least one pyridine herbicide selected from the group consisting of aminopyralid, cliodinate, clopyralid, diflufenican, dithiopyr, florpyrauxifen, flufenican, fluroxypyr, halauxifen, haloxydine, picloram, picolinafen, pyriclor, pyroxsulam, thiazopyr, and triclopyr.
  • the present invention may provide a herbicidal composition comprising:
  • At least one anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, eriserixiancaoan, etobenzamid, fenasulam, flufenacet, flufenican, ipfencarbazone, mefenacet, mefluidide, metamifop, monalide, naproanilide, pentanochlor, picolinafen, propanil, sulfentrazone, and tetflupyrolimet; and
  • the present invention may provide a herbicidal composition comprising:
  • At least one anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, eriserixiancaoan, etobenzamid, fenasulam, flufenacet, ipfencarbazone, mefenacet, mefluidide, metamifop, monalide, naproanilide, pentanochlor, picolinafen, propanil, sulfentrazone, and tetflupyrolimet;
  • At least one pyridine herbicide selected from the group consisting of aminopyralid, cliodinate, clopyralid, diflufenican, dithiopyr, florpyrauxifen, flufenican, fluroxypyr, halauxifen, haloxydine, picloram, picolinafen, pyriclor, pyroxsulam, thiazopyr, and triclopyr; and
  • the present invention may provide a method of controlling weeds in a cereal crop, said method comprising applying, to the crop or to a locus at which the crop is growing or intended to be grown, a herbicidal combination comprising:
  • At least one anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, eriserixiancaoan, etobenzamid, fenasulam, flufenacet, flufenican, ipfencarbazone, mefenacet, mefluidide, metamifop, monalide, naproanilide, pentanochlor, picolinafen, propanil, sulfentrazone, and tetflupyrolimet.
  • anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, erlujixiancaoan, etobenzamid, fenasulam, flufenacet, flufenican, ipfencarbazone, mefenacet, mefluidide, meta
  • the present invention may provide a method of controlling weeds in a cereal crop, said method comprising applying, to a locus at which the crop is growing or is intended to be grown, a herbicidal combination comprising:
  • At least one anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, eriserixiancaoan, etobenzamid, fenasulam, flufenacet, ipfencarbazone, mefenacet, mefluidide, metamifop, monalide, naproanilide, pentanochlor, picolinafen, propanil, sulfentrazone, and tetflupyrolimet; and
  • At least one pyridine herbicide selected from the group consisting of aminopyralid, cliodinate, clopyralid, diflufenican, dithiopyr, florpyrauxifen, flufenican, fluroxypyr, halauxifen, haloxydine, picloram, picolinafen, pyriclor, pyroxsulam, thiazopyr, and triclopyr.
  • Yet another aspect of the present invention may provide a method of increasing yield in a crop by application of a combination comprising:
  • At least one anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, eriserixiancaoan, etobenzamid, fenasulam, flufenacet, flufenican, ipfencarbazone, mefenacet, mefluidide, metamifop, monalide, naproanilide, pentanochlor, picolinafen, propanil, sulfentrazone, and tetflupyrolimet.
  • anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, erlujixiancaoan, etobenzamid, fenasulam, flufenacet, flufenican, ipfencarbazone, mefenacet, mefluidide, meta
  • Yet another aspect of the present invention may provide a method of increasing yield in a crop by application of a combination comprising:
  • At least one anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, eriserixiancaoan, etobenzamid, fenasulam, flufenacet, ipfencarbazone, mefenacet, mefluidide, metamifop, monalide, naproanilide, pentanochlor, picolinafen, propanil, sulfentrazone, and tetflupyrolimet; and
  • At least one pyridine herbicide selected from the group consisting of aminopyralid, cliodinate, clopyralid, diflufenican, dithiopyr, florpyrauxifen, flufenican, fluroxypyr, halauxifen, haloxydine, picloram, picolinafen, pyriclor, pyroxsulam, thiazopyr, and triclopyr.
  • Another aspect of the present invention may provide a method of improving the plant health of a crop, said method comprising application at the locus of the crop a combination comprising:
  • At least one anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, eriserixiancaoan, etobenzamid, fenasulam, flufenacet, ipfencarbazone, mefenacet, mefluidide, metamifop, monalide, naproanilide, pentanochlor, picolinafen, propanil, sulfentrazone, and tetflupyrolimet.
  • anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, erlujixiancaoan, etobenzamid, fenasulam, flufenacet, ipfencarbazone, mefenacet, mefluidide, metamifop, monalide, na
  • Another aspect of the present invention may provide a method of improving the plant health of a crop, said method comprising application at the locus of the crop a combination comprising:
  • At least one anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, eriserixiancaoan, etobenzamid, fenasulam, flufenacet, ipfencarbazone, mefenacet, mefluidide, metamifop, monalide, naproanilide, pentanochlor, picolinafen, propanil, sulfentrazone, and tetflupyrolimet; and
  • At least one pyridine herbicide selected from the group consisting of aminopyralid, cliodinate, clopyralid, diflufenican, dithiopyr, florpyrauxifen, flufenican, fluroxypyr, halauxifen, haloxydine, picloram, picolinafen, pyriclor, pyroxsulam, thiazopyr, and triclopyr.
  • the present invention provides a kit-of-parts comprising a plurality of components, wherein said plurality of components comprises:
  • At least a second component comprising at least one anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, eriserixiancaoan, etobenzamid, fenasulam, flufenacet, flufenican, ipfencarbazone, mefenacet, mefluidide, metamifop, monalide, naproanilide, pentanochlor, picolinafen, propanil, sulfentrazone, and tetflupyrolimet.
  • anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, erlujixiancaoan, etobenzamid, fenasulam, flufenacet, flufenican, ipfencarbazone, mefenacet
  • the pesent invention provides a kit-of-parts comprising a plurality of components, wherein said plurality of components comprises: (a) at least a first component comprising metamitron; and
  • At least a second component comprising at least one anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, eriserixiancaoan, etobenzamid, fenasulam, flufenacet, flufenican, ipfencarbazone, mefenacet, mefluidide, metamifop, monalide, naproanilide, pentanochlor, picolinafen, propanil, sulfentrazone, and tetflupyrolimet.
  • anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, erlujixiancaoan, etobenzamid, fenasulam, flufenacet, flufenican, ipfencarbazone, mefenacet
  • a third component comprising at least one pyridine herbicide selected from the group consisting of aminopyralid, cliodinate, clopyralid, diflufenican, dithiopyr, florpyrauxifen, flufenican, fluroxypyr, halauxifen, haloxydine, picloram, picolinafen, pyriclor, pyroxsulam, thiazopyr, and triclopyr.
  • pyridine herbicide selected from the group consisting of aminopyralid, cliodinate, clopyralid, diflufenican, dithiopyr, florpyrauxifen, flufenican, fluroxypyr, halauxifen, haloxydine, picloram, picolinafen, pyriclor, pyroxsulam, thiazopyr, and triclopyr.
  • herbicide shall mean an active ingredient that kills, controls or otherwise adversely modifies the growth of weeds.
  • a herbicidally effective or vegetation controlling amount is an amount of active ingredient that causes a “herbicidal effect,” i.e. , an adversely modifying effect and includes deviations from natural development, killing, regulation, desiccation, retardation.
  • plants and “vegetation” include, but are not limited to, germinant seeds, emerging seedlings, plants emerging from vegetative propagules, and established vegetation.
  • locus as used herein shall denote the vicinity of a desired crop in which weed control, typically selective weed control, of weeds is desired. The locus includes the vicinity of desired crop plants wherein the weed infestation has either emerged or is yet to emerge.
  • crop shall include a multitude of desired crop plants or an individual crop plant growing at a locus.
  • Metamitron is a photosystem II inhibitor that inhibits photosynthesis by binding to the QB-binding niche on the D1 protein of the photosystem II complex in chloroplast thylakoid membranes.
  • Inability to reoxidize QA promotes the formation of triplet state chlorophyll which interacts with ground state oxygen to form singlet oxygen.
  • Both triplet chlorophyll and singlet oxygen can abstract hydrogen from unsaturated lipids, producing a lipid radical and initiating a chain reaction of lipid peroxidation. Lipids and proteins are attacked and oxidized, resulting in loss of chlorophyll and carotenoids and in leaky membranes which allow cells and cell organelles to dry and disintegrate rapidly.
  • carotenoid biosynthesis inhibitors such as pyridine herbicides that block carotenoid biosynthesis by inhibition of phytoene desaturase.
  • Carotenoids dissipate the oxidative energy of singlet O 2 OO 2 ). Therefore, it was surprisingly found that inhibition of carotenoid biosynthesis further synergized the activity of a combination of metamitron with anilide cell division inhibitors by synergizing the generation of singlet oxygen. It has been observed that the triple combination of the present embodiment may trigger a self-sustaining chain reaction of lipid peroxidation which functionally destroys chlorophyll and membrane lipids, and destruction of proteins by singlet oxygen.
  • the present invention may provide a herbicidal combination comprising:
  • At least one anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, eriserixiancaoan, etobenzamid, fenasulam, flufenacet, flufenican, ipfencarbazone, mefenacet, mefluidide, metamifop, monalide, naproanilide, pentanochlor, picolinafen, propanil, sulfentrazone, and tetflupyrolimet.
  • anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, erlujixiancaoan, etobenzamid, fenasulam, flufenacet, flufenican, ipfencarbazone, mefenacet, mefluidide, meta
  • the present invention may provide a herbicidal combination comprising:
  • At least one anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, eriserixiancaoan, etobenzamid, fenasulam, flufenacet, ipfencarbazone, mefenacet, mefluidide, metamifop, monalide, naproanilide, pentanochlor, picolinafen, propanil, sulfentrazone, and tetflupyrolimet; and
  • At least one pyridine herbicide selected from the group consisting of aminopyralid, cliodinate, clopyralid, diflufenican, dithiopyr, florpyrauxifen, flufenican, fluroxypyr, halauxifen, haloxydine, picloram, picolinafen, pyriclor, pyroxsulam, thiazopyr, and triclopyr.
  • the present invention may provide a herbicidal combination comprising:
  • At least one pyridine herbicide selected from the group consisting of aminopyralid, cliodinate, clopyralid, dithiopyr, florpyrauxifen, flufenican, fluroxypyr, halauxifen, haloxydine, picloram, picolinafen, pyriclor, pyroxsulam, thiazopyr, and triclopyr.
  • the present invention may provide a herbicidal combination comprising: (a) metamitron;
  • At least one pyridine herbicide selected from the group consisting of aminopyralid, cliodinate, clopyralid, diflufenican, dithiopyr, florpyrauxifen, flufenican, fluroxypyr, halauxifen, haloxydine, picloram, picolinafen, pyriclor, pyroxsulam, thiazopyr, and triclopyr.
  • the present invention may provide a herbicidal combination comprising:
  • At least one pyridine herbicide selected from the group consisting of aminopyralid, cliodinate, clopyralid, diflufenican, dithiopyr, florpyrauxifen, flufenican, fluroxypyr, halauxifen, haloxydine, picloram, picolinafen, pyriclor, pyroxsulam, thiazopyr, and triclopyr.
  • the present invention may provide a herbicidal combination comprising:
  • At least one pyridine herbicide selected from the group consisting of aminopyralid, cliodinate, clopyralid, diflufenican, dithiopyr, florpyrauxifen, flufenican, fluroxypyr, halauxifen, haloxydine, picloram, picolinafen, pyriclor, pyroxsulam, thiazopyr, and triclopyr.
  • the present invention may provide a herbicidal combination comprising:
  • At least one pyridine herbicide selected from the group consisting of aminopyralid, cliodinate, clopyralid, diflufenican, dithiopyr, florpyrauxifen, flufenican, fluroxypyr, halauxifen, haloxydine, picloram, picolinafen, pyriclor, pyroxsulam, thiazopyr, and triclopyr.
  • the present invention may provide a herbicidal combination comprising:
  • At least one pyridine herbicide selected from the group consisting of aminopyralid, cliodinate, clopyralid, diflufenican, dithiopyr, florpyrauxifen, flufenican, fluroxypyr, halauxifen, haloxydine, picloram, picolinafen, pyriclor, pyroxsulam, thiazopyr, and triclopyr.
  • the present invention provides a method of controlling weeds at a locus by applying the combinations of the present invention to the locus.
  • the present invention may provide a method of controlling weeds at a locus, said method comprising applying to the locus a herbicidal combination comprising:
  • At least one anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, eriserixiancaoan, etobenzamid, fenasulam, flufenacet, flufenican, ipfencarbazone, mefenacet, mefluidide, metamifop, monalide, naproanilide, pentanochlor, picolinafen, propanil, sulfentrazone, and tetflupyrolimet.
  • anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, erlujixiancaoan, etobenzamid, fenasulam, flufenacet, flufenican, ipfencarbazone, mefenacet, mefluidide, meta
  • the present invention may provide a method of controlling weeds at a locus, said method comprising applying to the locus a herbicidal combination comprising:
  • At least one anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, eriserixiancaoan, etobenzamid, fenasulam, flufenacet, ipfencarbazone, mefenacet, mefluidide, metamifop, monalide, naproanilide, pentanochlor, picolinafen, propanil, sulfentrazone, and tetflupyrolimet; and
  • At least one pyridine herbicide selected from the group consisting of aminopyralid, cliodinate, clopyralid, diflufenican, dithiopyr, florpyrauxifen, flufenican, fluroxypyr, halauxifen, haloxydine, picloram, picolinafen, pyriclor, pyroxsulam, thiazopyr, and triclopyr.
  • the present invention provides a composition comprising the combinations of the present invention.
  • the present invention provides a herbical composition comprising the combinations of the present invention and at least one agrochemically acceptable excipient.
  • the present invention may provide a herbicidal composition comprising:
  • At least one anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, eriserixiancaoan, etobenzamid, fenasulam, flufenacet, flufenican, ipfencarbazone, mefenacet, mefluidide, metamifop, monalide, naproanilide, pentanochlor, picolinafen, propanil, sulfentrazone, and tetflupyrolimet; and
  • the present invention may provide a herbicidal composition comprising:
  • At least one anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, eriserixiancaoan, etobenzamid, fenasulam, flufenacet, ipfencarbazone, mefenacet, mefluidide, metamifop, monalide, naproanilide, pentanochlor, picolinafen, propanil, sulfentrazone, and tetflupyrolimet;
  • At least one pyridine herbicide selected from the group consisting of aminopyralid, cliodinate, clopyralid, diflufenican, dithiopyr, florpyrauxifen, flufenican, fluroxypyr, halauxifen, haloxydine, picloram, picolinafen, pyriclor, pyroxsulam, thiazopyr, and triclopyr; and
  • the present invention provides a method for increasing yield in a crop by using the combinations and compositions of the present invention.
  • Yet another aspect of the present invention may provide a method of increasing yield in a crop by application of a combination comprising:
  • At least one anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, eriserixiancaoan, etobenzamid, fenasulam, flufenacet, flufenican, ipfencarbazone, mefenacet, mefluidide, metamifop, monalide, naproanilide, pentanochlor, picolinafen, propanil, sulfentrazone, and tetflupyrolimet.
  • anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, erlujixiancaoan, etobenzamid, fenasulam, flufenacet, flufenican, ipfencarbazone, mefenacet, mefluidide, meta
  • Yet another aspect of the present invention may provide a method of increasing yield in a crop by application of a combination comprising:
  • At least one anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, eriserixiancaoan, etobenzamid, fenasulam, flufenacet, ipfencarbazone, mefenacet, mefluidide, metamifop, monalide, naproanilide, pentanochlor, picolinafen, propanil, sulfentrazone, and tetflupyrolimet; and
  • At least one pyridine herbicide selected from the group consisting of aminopyralid, cliodinate, clopyralid, diflufenican, dithiopyr, florpyrauxifen, flufenican, fluroxypyr, halauxifen, haloxydine, picloram, picolinafen, pyriclor, pyroxsulam, thiazopyr, and triclopyr.
  • the present invention may provide a method of improving the plant health of a crop using the combinations and compositions of the present invention.
  • Another aspect of the present invention may provide a method of improving the plant health of a crop, said method comprising application at the locus of the crop a combination comprising:
  • At least one anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, eriserixiancaoan, etobenzamid, fenasulam, flufenacet, ipfencarbazone, mefenacet, mefluidide, metamifop, monalide, naproanilide, pentanochlor, picolinafen, propanil, sulfentrazone, and tetflupyrolimet.
  • anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, erlujixiancaoan, etobenzamid, fenasulam, flufenacet, ipfencarbazone, mefenacet, mefluidide, metamifop, monalide, na
  • Another aspect of the present invention may provide a method of improving the plant health of a crop, said method comprising application at the locus of the crop a combination comprising:
  • At least one anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, eriserixiancaoan, etobenzamid, fenasulam, flufenacet, ipfencarbazone, mefenacet, mefluidide, metamifop, monalide, naproanilide, pentanochlor, picolinafen, propanil, sulfentrazone, and tetflupyrolimet; and
  • At least one pyridine herbicide selected from the group consisting of aminopyralid, cliodinate, clopyralid, diflufenican, dithiopyr, florpyrauxifen, flufenican, fluroxypyr, halauxifen, haloxydine, picloram, picolinafen, pyriclor, pyroxsulam, thiazopyr, and triclopyr.
  • the crop is a cereal crop. More preferably the crop is wheat.
  • the present invention may provide a method of controlling weeds in a cereal crop, said method comprising applying, to the crop or to a locus at which the crop is growing or intended to be grown, the combinations and compositions of the present invention.
  • the present invention may provide a method of controlling weeds in a cereal crop, said method comprising applying, to the crop or to a locus at which the crop is growing or intended to be grown, a herbicidal combination comprising:
  • At least one anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, eriserixiancaoan, etobenzamid, fenasulam, flufenacet, flufenican, ipfencarbazone, mefenacet, mefluidide, metamifop, monalide, naproanilide, pentanochlor, picolinafen, propanil, sulfentrazone, and tetflupyrolimet.
  • anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, erlujixiancaoan, etobenzamid, fenasulam, flufenacet, flufenican, ipfencarbazone, mefenacet, mefluidide, meta
  • the present invention may provide a method of controlling weeds in a cereal crop, said method comprising applying, to a locus at which the crop is growing or is intended to be grown, a herbicidal combination comprising:
  • At least one anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, eriserixiancaoan, etobenzamid, fenasulam, flufenacet, ipfencarbazone, mefenacet, mefluidide, metamifop, monalide, naproanilide, pentanochlor, picolinafen, propanil, sulfentrazone, and tetflupyrolimet; and
  • At least one pyridine herbicide selected from the group consisting of aminopyralid, cliodinate, clopyralid, diflufenican, dithiopyr, florpyrauxifen, flufenican, fluroxypyr, halauxifen, haloxydine, picloram, picolinafen, pyriclor, pyroxsulam, thiazopyr, and triclopyr.
  • metamitron may be combined with another anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, eriserixiancaoan, etobenzamid, fenasulam, flufenacet, ipfencarbazone, mefenacet, mefluidide, metamifop, monalide, naproanilide, pentanochlor, picolinafen, propanil, sulfentrazone, and tetflupyrolimet.
  • another anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, erlujixiancaoan, etobenzamid, fenasulam, flufenacet, ipfencarbazone, mefenacet, mefluidide, metamifop, mon
  • metamitron is combined with another anilide herbicide selected from the group consisting of fenasulam, diflufenican, flufenacet, ipfencarbazone, mefenacet, propanil and sulfentrazone.
  • anilide herbicide is flufenacet or diflufenican, more preferably flufenacet.
  • metamitron is combined with (b) one anilide herbicide, rather than more than one anilide herbicide.
  • the combination comprises metamitron and fenasulam.
  • the combination comprises metamitron and flufenacet.
  • the combination comprises metamitron and diflufenican.
  • the combination comprises metamitron and ipfencarbazone.
  • the combination comprises metamitron and mefenacet.
  • the combination comprises metamitron and propanil.
  • the combination comprises metamitron and sulfentrazone.
  • the combinations of the present invention comprise at least three different herbicides.
  • the pyridine herbicide may be selected from the group consisting of aminopyralid, cliodinate, clopyralid, diflufenican, dithiopyr, florpyrauxifen, flufenican, fluroxypyr, halauxifen, haloxydine, picloram, picolinafen, pyriclor, pyroxsulam, thiazopyr, and triclopyr.
  • the pyridine herbicide may be selected from the group consisting of diflufenican, flufenican, fluroxypyr, halauxifen, picloram, pyroxsulam, and triclopyr.
  • the pyridine herbicide is diflufenican.
  • metamitron is combined with (b) one anilide herbicide, (i.e. rather than more than one anilide herbicide), and (c) one pyridine herbicide (i.e. rather than more than one pyridine herbicide).
  • diflufenican, flufenican and picolinafen are classified as both anilide and pyridine herbicides.
  • these compounds appear in the lists of both anilide herbicides and pyridine herbicides provided herein. Accordingly, if diflufenican, flufenican or picolinafen are present as the anilide herbicide component, then (if present) the pyridine herbicide compment will not be diflufenican, flufenican or picolinafen.
  • the combination comprises metamitron, fenasulam, and diflufenican.
  • the combination comprises metamitron, fenasulam, and flufenican.
  • the combination comprises metamitron, fenasulam, and fluroxypyr.
  • the combination comprises metamitron, fenasulam, and halauxifen.
  • the combination comprises metamitron, fenasulam, and picloram.
  • the combination comprises metamitron, fenasulam, and pyroxsulam.
  • the combination comprises metamitron, fenasulam, and triclopyr.
  • the combination comprises metamitron, flufenacet, and diflufenican.
  • the combination comprises metamitron, flufenacet, and flufenican.
  • the combination comprises metamitron, flufenacet, and fluroxypyr.
  • the combination comprises metamitron, flufenacet, and halauxifen.
  • the combination comprises metamitron, flufenacet, and picloram.
  • the combination comprises metamitron, flufenacet, and pyroxsulam.
  • the combination comprises metamitron, flufenacet, and triclopyr.
  • the combination comprises metamitron and diflufenican.
  • the combination comprises metamitron, diflufenican, and flufenican.
  • the combination comprises metamitron, diflufenican, and fluroxypyr.
  • the combination comprises metamitron, diflufenican, and halauxifen.
  • the combination comprises metamitron, diflufenican, and picloram.
  • the combination comprises metamitron, diflufenican, and pyroxsulam.
  • the combination comprises metamitron, diflufenican, and triclopyr.
  • the combination comprises metamitron, ipfencarbazone, and dilfufenican.
  • the combination comprises metamitron, ipfencarbazone, and flufenican.
  • the combination comprises metamitron, ipfencarbazone, and fluroxypyr.
  • the combination comprises metamitron, ipfencarbazone, and halauxifen.
  • the combination comprises metamitron, ipfencarbazone, and picloram.
  • the combination comprises metamitron, ipfencarbazone, and pyroxsulam.
  • the combination comprises metamitron, ipfencarbazone, and triclopyr.
  • the combination comprises metamitron, mefenacet and diflufenican.
  • the combination comprises metamitron, mefenacet and flufenican.
  • the combination comprises metamitron, mefenacet and fluroxypyr.
  • the combination comprises metamitron, mefenacet and halauxifen.
  • the combination comprises metamitron, mefenacet and picloram.
  • the combination comprises metamitron, mefenacet and pyroxsulam.
  • the combination comprises metamitron, mefenacet and triclopyr.
  • the combination comprises metamitron, propanil and diflufenican. In an embodiment, the combination comprises metamitron, propanil and flufenican.
  • the combination comprises metamitron, propanil and fluroxypyr.
  • the combination comprises metamitron, propanil and halauxifen.
  • the combination comprises metamitron, propanil and picloram.
  • the combination comprises metamitron, propanil and pyroxsulam.
  • the combination comprises metamitron, propanil and triclopyr.
  • the combination comprises metamitron, sulfentrazone and dilfufenican.
  • the combination comprises metamitron, sulfentrazone and flufenican.
  • the combination comprises metamitron, sulfentrazone and fluroxypyr.
  • the combination comprises metamitron, sulfentrazone and halauxifen.
  • the combination comprises metamitron, sulfentrazone and picloram.
  • the combination comprises metamitron, sulfentrazone and pyroxsulam.
  • the combination comprises metamitron, sulfentrazone and triclopyr.
  • the present invention provides preferred combinations, preferred compositions and methods for using those combinations and compositions.
  • the methods of the invention include a method of controlling weeds at a locus by applying to the locus the combination or the composition, a method of increasing yield in a crop by application of the combination or composition, or a method of improving the plant health of a crop by application at the locus of the crop the combination or the composition.
  • the embodiments described herein describe the preferred embodiments of all these possible combinations, compositions and methods of the invention.
  • the combinations and compositions of the invention may be applied to the locus of the weeds, in herbicidally effective amounts.
  • compositions of the present invention may be combined with at least another active ingredient such as those selected from but not limited to herbicide, insecticide, fungicide, biological agent, plant growth activator, fertilizers or combinations thereof.
  • compositions of the present invention may be combined with another herbicide.
  • exemplary herbicides that may be combined with the combination of the present invention may be selected from but not limited to herbicides belonging to classes such as EPSP synthase inhibitors, synthetic auxins, auxin transport inhibitors, glutamate synthase inhibitors, HPPD inhibitors, lipid synthesis inhibitors, long chain fatty acid inhibitors, as well as herbicides with unknown modes of action.
  • the total amount of metamitron in the combination or composition may be such that it provides metamitron, to the applied field, in a dosage range of about 250 g/ha to about 3000 g/ha, preferably in a dosage range of about 500 g/ha to about 1700 g/ha, more preferably in a dosage range of about 700 g/ha to about 1400 g/ha.
  • the total amount of the anilide herbicide in the composition may be such that it provides the anilide herbicide, to the applied field, in a dosage range of about 20 g/ha to about 500 g/ha, preferably in a dosage range of about 40 g/ha to about 320 g/ha, more preferably in a dosage range of about 60 g/ha to about 240 g/ha.
  • the total amount of the pyridine herbicide in the composition may be such that it provides the pyridine herbicide, to the applied field, in a dosage range of about 20 g/ha to about 500 g/ha, preferably in a dosage range of about 40 g/ha to about 320 g/ha, more preferably in a dosage range of about 60 g/ha to about 240 g/ha.
  • the total amount of metamitron in the combination or composition may be such that it provides metamitron, to the applied field, in a dosage range of about 250 g/ha to about 3000 g/ha
  • the total amount of the anilide herbicide in the composition may be such that it provides the anilide herbicide, to the applied field, in a dosage range of about 20 g/ha to about 500 g/ha
  • the total amount of the pyridine herbicide in the composition may be such that it provides the pyridine herbicide, to the applied field, in a dosage range of about 20 g/ha to about 500 g/ha
  • the total amount of metamitron in the combination or composition may be such that it provides metamitron, to the applied field, in a dosage range of about 500 g/ha to about 1700 g/ha
  • the total amount of the anilide herbicide in the composition may be such that it provides the anilide herbicide, to the applied field, in a dosage range of about 40 g/ha to about 320 g/ha
  • the total amount of the pyridine herbicide in the composition may be such that it provides the pyridine herbicide, to the applied field, in a dosage range of about 40 g/ha to about 320 g/ha.
  • the total amount of metamitron in the combination or composition may be such that it provides metamitron, to the applied field, in a dosage range of about 700 g/ha to about 1400 g/ha
  • the total amount of the anilide herbicide in the composition may be such that it provides the anilide herbicide, to the applied field, in a dosage range of about 60 g/ha to about 240 g/ha
  • the total amount of the pyridine herbicide in the composition may be such that it provides the pyridine herbicide, to the applied field, in a dosage range of about 60 g/ha to about 240 g/ha.
  • the herbicidal combinations and compositions of the present invention maybe used to target weeds among the crops such corn, rice, wheat, barley, rye, oat, sorghum, cotton, soybean, peanut, buckwheat, beet, rapeseed, sunflower, sugar cane, tobacco, etc.; vegetables: solanaceous vegetables such as eggplant, tomato, pimento, pepper, potato, etc., cucurbit vegetables such as cucumber, pumpkin, zucchini, water melon, melon, squash, etc., cruciferous vegetables such as radish, white turnip, horseradish, kohlrabi, Chinese cabbage, cabbage, leaf mustard, broccoli, cauliflower, etc., asteraceous vegetables such as burdock, crown daisy, artichoke, lettuce, etc, liliaceous vegetables such as green onion, onion, garlic, and asparagus, ammiaceous vegetables such as carrot, parsley, celery, parsnip, etc., chenopodiaceous vegetables such as spinach, Swiss chard, etc.,
  • berries such as blueberry, cranberry, blackberry, raspberry, etc., grape, kaki fruit, olive, plum, banana, coffee, date palm, coconuts, etc. , trees other than fruit trees; tea, mulberry, flowering plant, trees such as ash, birch, dogwood, Eucalyptus, Ginkgo biloba, lilac, maple, Quercus, poplar, Judas tree, Liquidambar formosana, plane tree, zelkova, Japanese arborvitae, fir wood, hemlock, juniper, Pinus, Picea, and Taxus cuspidate, etc.
  • the preferred crop is a cereal crop, such as wheat.
  • compositions of the present invention may contain agriculturally acceptable adjuvants, carriers, diluents, emulsifiers, fillers, anti-foaming agents, thickening agents, anti-freezing agents, freezing agents etc.
  • the compositions may be either solid or liquids. They can be solids, such as, for example, dusts, granules, water-dispersible granules, microcapsules or wettable powders, or liquids, such as, for example, emulsifiable concentrates, solutions, emulsions or suspensions, ZC formulations. They can also be provided as a pre-mix or tank mixed.
  • Suitable agricultural adjuvants and carriers may include, but are not limited to, crop oil concentrates; methylated seed oils, emulsified methylated seed oil, nonylphenol ethoxylate; benzylcocoalkyldimethyl quaternary ammonium salt; blend of petroleum hydrocarbon, alkyl esters, organic acid, and anionic surfactant; Cg-Cn alkylpolyglycoside; phosphated alcohol ethoxylate; natural primary alcohol (C12-C16) ethoxylate; di-sec-butylphenol EO-PO block copolymer; polysiloxane-methyl cap; nonylphenol ethoxylate, urea ammonium nitrate; tridecyl alcohol (synthetic) ethoxylate (8EO); tallow amine ethoxylate ; PEG(400) dioleate-99, alkyl sulfates, such as diethanolammonium lauryl sulfate; al
  • Suitable liquid carriers that may be employed in a composition of the present invention may include water or organic solvents.
  • the organic solvents include, but are not limited to, petroleum fractions or hydrocarbons such as mineral oil, aromatic solvents, paraffinic oils, and the like; vegetable oils such as soybean oil, rapeseed oil, olive oil, castor oil, sunflower seed oil, coconut oil, corn oil, cottonseed oil, linseed oil, palm oil, peanut oil, safflower oil, sesame oil, tung oil and the like; esters of the above vegetable oils; esters of monoalcohols or dihydric, trihydric, or other lower polyalcohols (4-6 hydroxy containing), such as 2-ethyl hexyl stearate, n-butyl oleate, isopropyl myristate, propylene glycol dioleate, di-octyl succinate, di-butyl adipate, di-octyl phthalate and the like; est
  • Organic solvents include, but are not limited to toluene, xylene, petroleum naphtha, crop oil, acetone, methyl ethyl ketone, cyclohexanone, trichloroethylene, perchloroethylene, ethyl acetate, amyl acetate, butyl acetate, propylene glycol monomethyl ether and diethylene glycol monomethyl ether, methyl alcohol, ethyl alcohol, isopropyl alcohol, amyl alcohol, ethylene glycol, propylene glycol, glycerine, N-methyl-2-pyrrolidinone, N,N-dimethyl alkylamides, dimethyl sulfoxide.
  • Solid carriers that may be employed in the compositions of the present invention may include but are not limited to attapulgite, pyrophyllite clay, silica, kaolin clay, kieselguhr, chalk, diatomaceous earth, lime, calcium carbonate, bentonite clay, Fuller's earth, talc, cottonseed hulls, wheat flour, soybean flour, pumice, wood flour, walnut shell flour, lignin, cellulose etc.
  • the target weeds may be selected from Alopecurus myosuroides Huds. (blackgrass, ALOMY), Amaranthus palmeri (Palmer amaranth, AMAPA) Amaranthus viridis (slender amaranth, AMAVI), Avena fatua (wild oat, AVEFA), Brachiaria decumbens Stapf. or Urochloa decumbens (Stapf), Brachiaria brizantha or Urochloa brizantha, Brachiaria platyphylla (Groseb.) Nash or Urochloa platyphylla (broadleaf signalgrass, BRAPP), Brachiaria plantaginea.
  • Urochloa plantaginea alexandergrass, BRAPL
  • Cenchrus echinatus sinouthern sandbur, CENEC
  • Digitaria horizontalis Willd. Jamaican crabgrass, DIGHO
  • Digitaria insularis sourgrass, TRCIN
  • Digitaria sanguinalis large crabgrass, DIGSA
  • Echinochloa crus-galli barnyardgrass, ECHCG
  • Echinochloa colonum junglerice, ECHCO
  • Eleusine indica Gaertn. goosegrass, ELEIN
  • Lolium multiflorum Lam. Italian ryegrass, LOLMU
  • Panicum dichotomiflorum Michx Panicum dichotomiflorum Michx.
  • the target weed is Alopecurus myosuroides Huds. (blackgrass, ALOMY); GERDI, Geranium dissectum ; Lolium multiflorum Lam. (Italian ryegrass, LOLMU); Portulaca oleracea (common purslane, POROL); Lamium purpureum (LAMPU); Stellaria media (STEME); Cyanus segetum (CENCY); or Galium aparine (GALAP).
  • Huds. blackgrass, ALOMY
  • GERDI Geranium dissectum
  • Lolium multiflorum Lam. Italian ryegrass, LOLMU
  • Portulaca oleracea common purslane, POROL
  • Lamium purpureum LAMPU
  • Stellaria media STME
  • Cyanus segetum CENCY
  • Galium aparine GALAP
  • a preferred target weed is Alopecurus myosuroides Huds. (blackgrass, ALOMY).
  • Another preferred target weed is GERDI, Geranium dissectum L.
  • the combinations of the present invention may be applied to the locus either simultaneously or sequentially, such that the two or three herbicides may be applied in a tank mix or as a pre mixed composition. Accordingly, the present invention provides a tank-mix or pre-mixed composition comprising the combinations of the invention. Thus, in this aspect, the present invention provides a tank-mix combination comprising:
  • At least one anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, eriserixiancaoan, etobenzamid, fenasulam, flufenacet, flufenican, ipfencarbazone, mefenacet, mefluidide, metamifop, monalide, naproanilide, pentanochlor, picolinafen, propanil, sulfentrazone, and tetflupyrolimet.
  • anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, erlujixiancaoan, etobenzamid, fenasulam, flufenacet, flufenican, ipfencarbazone, mefenacet, mefluidide, meta
  • the present invention may provide a tank-mix combination comprising:
  • At least one anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, eriserixiancaoan, etobenzamid, fenasulam, flufenacet, ipfencarbazone, mefenacet, mefluidide, metamifop, monalide, naproanilide, pentanochlor, picolinafen, propanil, sulfentrazone, and tetflupyrolimet; and
  • At least one pyridine herbicide selected from the group consisting of aminopyralid, cliodinate, clopyralid, diflufenican, dithiopyr, florpyrauxifen, flufenican, fluroxypyr, halauxifen, haloxydine, picloram, picolinafen, pyriclor, pyroxsulam, thiazopyr, and triclopyr.
  • the combinations or compositions of the present invention may be applied either pre or post emergent.
  • An advantage of the combination is surprisingly good residual effects, when applied in pre-emergent as well as quick knockdown when applied post emergent leading to quick control of weeds.
  • the combinations and compositions of the present invention may be applied for quick burndown of weeds. Another advantage is quick knockdown in the case of burndown.
  • the method of control of the present invention may be carried out by spraying the suggested tank mixes, or the individual herbicides may be formulated as a kit-of-parts containing various components that may be mixed as instructed prior to spraying.
  • the present invention provides a kit-of-parts comprising the components of the combinations of the invention.
  • the present invention provides a kit-of-parts comprising a plurality of components, wherein said plurality of components comprises:
  • At least a first component comprising metamitron at least a second component comprising at least one anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, eriserixiancaoan, etobenzamid, fenasulam, flufenacet, flufenican, ipfencarbazone, mefenacet, mefluidide, metamifop, monalide, naproanilide, pentanochlor, picolinafen, propanil, sulfentrazone, and tetflupyrolimet.
  • anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, diflufenican, erlujixiancaoan, etobenzamid, fenasulam, flufenacet, flufenican,
  • the present invention provides a kit-of-parts comprising a plurality of components, wherein said plurality of components comprises:
  • At least a second component comprising at least one anilide herbicide selected from the group consisting of chloranocryl, cisanilide, clomeprop, cypromid, eriserixiancaoan, etobenzamid, fenasulam, flufenacet, ipfencarbazone, mefenacet, mefluidide, metamifop, monalide, naproanilide, pentanochlor, picolinafen, propanil, sulfentrazone, and tetflupyrolimet; and
  • At least a third component comprising at least one pyridine herbicide selected from the group consisting of aminopyralid, cliodinate, clopyralid, diflufenican, dithiopyr, florpyrauxifen, flufenican, fluroxypyr, halauxifen, haloxydine, picloram, picolinafen, pyriclor, pyroxsulam, thiazopyr, and triclopyr.
  • pyridine herbicide selected from the group consisting of aminopyralid, cliodinate, clopyralid, diflufenican, dithiopyr, florpyrauxifen, flufenican, fluroxypyr, halauxifen, haloxydine, picloram, picolinafen, pyriclor, pyroxsulam, thiazopyr, and triclopyr.
  • the kit-of-parts comprises an instructions manual, said instructions manual comprising instructions directing a user to admix the components before being used.
  • the components of the present invention may be packaged such that the metamitron component, the anilide herbicide component and optionally the pyridine herbicide component are packaged separately and then tank mixed before the spraying.
  • the components of the present invention may be packaged such that the metamitron component, the anilide herbicide component and optionally the pyridine herbicide component may be packaged separately, and other additives are also packaged separately, such that the various components may be tank mixed at the time of spraying.
  • the components of the present invention may be packaged as composition such that the metamitron component, the anilide herbicide component and optionally the pyridine herbicide component are formulated into one composition and other additives are packaged separately, such that the two may be tank mixed at the time of spraying.
  • metamitron, the anilide herbicides and optionally the pyridine herbicide of the present invention when applied individually, were rather ineffective in the control of weeds, but demonstrated excellent synergistic control when applied together. The combination controlled the weed both pre and post emergently.
  • the synergistic correlation between these components of the combinations of the present invention was established by the application of the Colby’s formula.
  • the expected (or predicted) response of a combination of herbicides is calculated by taking the product of the observed response for each individual component of the combination when applied alone divided by 100 and subtracting this value from the sum of the observed response for each component when applied alone.
  • An unexpected enhancement in efficacy of the combination is then determined by comparing the observed response of the combination to the expected (or predicted) response as calculated from the observed response of each individual component alone. If the observed response of the combination is greater than the expected (or predicted) response, or stated conversely, if the difference between the observed and expected response is greater than zero, then the combination is said to be synergistic or unexpectedly effective.
  • the percent control is greater than that predicted by the Colby formula or stated conversely, if the difference between the observed control and the expected control is greater than zero; then unexpected enhancement in activity is acknowledged.
  • the degree to which the difference is greater than zero is not itself critical as long as it is greater than zero; however greater the difference, more significant is the enhancement or the unexpectedness in herbicidal control.
  • A observed efficacy of active ingredient A at the same concentration as used in the mixture.
  • B observed efficacy of active ingredient B at the same concentration as used in the mixture.
  • T rials were conducted to evaluate the efficacy of the combinations of the present invention on a range of grass and broad leaf weeds and synergistic enhanecement due to the presence of metamitron was investigated.
  • the combinations were applied pre-emergence in tank mix with the partner herbicides. Crop safety of winter wheat and barley was evaluated under the same conditions. The tested weeds were artificially sown at the test sites.
  • metamitron provided a synergistic boost of efficacy on various tested weeds with the other herbicides of the invention. All mixtures safe to winter wheat and winter barley even at high doses.
  • the combinations of the present invention provided quick suppression/control of the sedges, broadleaves and grassy weeds and allowed for longer residual control.
  • the use of the herbicidal combinations of the present invention having different modes of action prevented sedges, broadleaves and grassy weeds to mature into a reproductive state.

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Abstract

L'invention concerne une combinaison herbicide comprenant du métamitron, un deuxième herbicide, éventuellement un troisième herbicide et des procédés d'utilisation de celle-ci.
EP21715953.2A 2020-03-27 2021-03-25 Combinaison herbicide Pending EP4125382A1 (fr)

Applications Claiming Priority (2)

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GBGB2004460.8A GB202004460D0 (en) 2020-03-27 2020-03-27 Herbical composition
PCT/GB2021/050731 WO2021191618A1 (fr) 2020-03-27 2021-03-25 Combinaison herbicide

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EP4125382A1 true EP4125382A1 (fr) 2023-02-08

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BR112022019412A2 (pt) 2022-12-13
CN115697061A (zh) 2023-02-03
EP3884778A1 (fr) 2021-09-29
GB202004460D0 (en) 2020-05-13

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