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WO1993019598A1 - Perfectionnements apportes au traitement herbicide des plantes - Google Patents

Perfectionnements apportes au traitement herbicide des plantes Download PDF

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Publication number
WO1993019598A1
WO1993019598A1 PCT/NZ1993/000023 NZ9300023W WO9319598A1 WO 1993019598 A1 WO1993019598 A1 WO 1993019598A1 NZ 9300023 W NZ9300023 W NZ 9300023W WO 9319598 A1 WO9319598 A1 WO 9319598A1
Authority
WO
WIPO (PCT)
Prior art keywords
plant
herbicide composition
blocking agent
composition
herbicide
Prior art date
Application number
PCT/NZ1993/000023
Other languages
English (en)
Inventor
Robert Vincent Thompson
Original Assignee
Robert Vincent Thompson
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 Robert Vincent Thompson filed Critical Robert Vincent Thompson
Publication of WO1993019598A1 publication Critical patent/WO1993019598A1/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
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/40—Liliopsida [monocotyledons]
    • 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
    • A01N63/00—Biocides, pest repellants or attractants, or plant growth regulators containing microorganisms, viruses, microbial fungi, animals or substances produced by, or obtained from, microorganisms, viruses, microbial fungi or animals, e.g. enzymes or fermentates
    • A01N63/10—Animals; Substances produced thereby or obtained therefrom
    • 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
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • 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
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/06—Coniferophyta [gymnosperms], e.g. cypress
    • 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
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/08—Magnoliopsida [dicotyledons]
    • 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
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/08—Magnoliopsida [dicotyledons]
    • A01N65/28—Myrtaceae [Myrtle family], e.g. teatree or clove
    • 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
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/40—Liliopsida [monocotyledons]
    • A01N65/44—Poaceae or Gramineae [Grass family], e.g. bamboo, lemon grass or citronella grass

Definitions

  • This invention relates to improvements in the herbicidal treatment of plants. More specifically, this invention proposes a method of herbicidal treatment of plants whereby unwanted plants and grasses may be terminated using a compound or substance which has a blocking type action that is either non-toxic or has a low level of toxicity to animals and humans.
  • a wide range of chemicals are used to control pests and weeds in the agricultural industry. Their aim is to prevent either insects or animals from destroying crops or to prevent weeds and unwanted plants competing with the desired crop.
  • herbicidal chemicals those which have a "contact” action upon plants, and those which have a "systemic” action upon plants.
  • Some herbicides have both a contact and systemic action on plants.
  • Other herbicides are also available, for example soil sterilants.
  • Herbicides may either be selective or non-selective.
  • Selective herbicides for example 'Treflan” (trifluralin) may be utilised for the selective destruction of certain types of grass.
  • Non-selective herbicides such as "Roundup” (glycophosphate) may be used as a general herbicide for destroying or controlling many different types of plants and grasses.
  • Rhundup glycophosphate
  • a wide number of herbicides and plant hormones have been developed over the years. In the early days inorganic compounds such as sodium chlorate and sodium arsenite and various borate compounds were used. There were also developed other organic herbicides such as N-phenyl- carbamate, "Randox", and other chlorinated phenoxy compounds. In addition, industrial waste products were quite common.
  • herbicides have deleterious effects, for example, they may poison the desired crops, affect other plants or animals, and/or poison the soil.
  • Most chemical herbicides are dangerous to civilization and are therefore dangerous when accidentally inhalated and /or absorbed into human and animal tissue.
  • a herbicide composition comprising a blocking agent within a suitable solvent or carrier.
  • composition for use as a plant herbicide comprising a blocking agent capable of effecting plant mechanisms such as plasmolysis, osmolysis, delamination, dissolution and/ or dehydration of a plant, in conjunction with a solvent therefore.
  • a method for the herbicidal treatment of plants comprising the administration of a composition including a blocking agent capable of inducing one or more potential blocking mechanisms, including plasmolysis, osmolysis, delamination, dissolution and dehydration to plant tissue.
  • the invention proposes a method of herbicidal treatment of plants whereby unwanted plants and grasses may be terminated using a herbicidal compound which has a blocking type action that is either non-toxic or has an extremely low level of toxicity to animals.
  • the herbicidal compound preferably comprises a blocking agent (to be defined later herein), dispersed in a suitable solvent or carrier fluid to enable the herbicidal or blocking agents such as common fats and lipids to permeate into or be transported to the plant cells.
  • a blocking agent to be defined later herein
  • the herbicidal or blocking agents generally act to block the transport of liquid in the stem of plants.
  • One common fault is to prevent the normal process of nutrient migration to the leaf for the synthesis of glucose by photosynthesis or other water-salt transport.
  • the migration of the blocking agent, and in some cases the solvent, to or into the plant cells can also cause complex metabolic changes, some already known, that result in herbicidal action on the cells.
  • the application of a herbicide according to the present invention either stop the production and/or transportation of sugars and other food from leaves to other parts of the plant via the phloem, or in stopping the conduction of water and salts from the root system from the xylem, or a combination of both.
  • blocking agent shall be understood to describe an agent which has the effect of preventing or hindering the production and/or transportation or sugars and other foods or liquids from leaves to other parts of the plant via the phloem, and /or an agent which prevents the conduction of water and salt from the root system from the xylem, or a combination of both.
  • blocking agent also includes agents which cause or have an effect on plant mechanisms such as plasmolysis, osmolysis, delamination, dissolution, and dehydration.
  • lipids as the blocking agent. While the lighter oils and fats may be more convenient to use due to increased miscibility or solubility with a carrier, fats and waxes of higher molecular weight may sometimes provide a more lasting or effective blocking agent. While some heavier waxes may be difficult to dissolve in a suitable solvent carrier, more soluble waxes may be used in many embodiments of the present invention.
  • a lipid suitable for use in the present invention will be characterised in that it is substantially hydrophobic (to resist in the predominantly aqueous processes within the plant) and that it will be soluble in a suitable non-aqueous solvent.
  • Tallow is another useful lipid comprising a high percentage of glyceride esters of C 1 - 18 acids, among other components.
  • lipids as blocking agents in the present invention, may use naturally occurring substances such as tallows, animals fats, vegetable oils and so forth. However it is envisaged that such naturally occurring substances also contain a variety of other components which, while they may provide some blocking action, may not be as effective as other components. Consequently it is envisaged that some embodiments of the present invention will be based on synthetic mixtures or derived fractions from natural substances. It is though that the hydrophobic and lipophilic portions of lipids (such as many esters) are likely to be most effective as a blocking agent and some embodiments may comprise predominantly these constituents.
  • fatty acids may also be useful as a means for transporting other components such as fatty acids, which can also exhibit some blocking capability though have in the past been limited in their use because of an apparent transport problem.
  • the use of the fatty acids may be desirable, or required in some instances, with the slightly more hydrophilic -COOH portion being attracted to some plant cells. The formation of a micellar type coating about a plant cell undoubtedly provides a blocking action. While fatty acids and other organic acids may be useful, research has illustrated that blocking action can be obtained in their absence (for instance see the use of petroleum jelly, below).
  • the blocking agent(s) referred to previously may preferably be fats or fatty compounds, as these are particularly effective as blocking agents. Any type of fat or fatty compounds may be utilised, and in any required or desired combination thereof. It is found that common lard or animal fats are particularly useful as blocking agents.
  • the blocking agents may preferably be dispersed within a suitable carrier fluid or solvent.
  • the blocking agents and solvents or carrier fluid may be emulsified. Any suitable solvents may be utilised.
  • Solvents which are found to be particularly effective are pine oil, cooking oils of low viscosity, and pinus mugo pumillio. Oils used are commonly animal or plant derived though mineral oils could also be used (though some biodegradability may be desirable for solvents used). Solvents such as mineral turpentine or kerosene may also be utilised, however they have a higher toxicity, increased flammability and are therefore less desirable.
  • Water may also be added to the carrier fluid or solvent.
  • a main advantage of doing so is so that the resulting herbicide is less flamable than without the addition of water. However, only small amounts of water should be added otherwise the overall effectiveness of the herbicide is reduced.
  • the use of non-flammable chlorinated solvents could also be effective but may be considered less environmentally sound. However some of those solvents are also good lipid solvents. Any other additives may also be utilised as required or desired to increase plasmolysis, osmolysis, delamination, dissolution, dehydration, and other such actions to increase the rate and extent of effectiveness of the blocking agent and solvent.
  • a wide range of fats and waxy materials have been used at various concentrations and in various solvents, and applied to selected grasses and weeds. Any solvents could be used and fatty material can even be dispersed in water as a stable emulsion so that simple systems can be used to destroy normal plant life action. In some cases the solvents used have been found to extract compounds from tar seal, bitumen roadways and sidewalks to prevent completely the regrowth of the plant.
  • a preferred method of accelerating the herbicidal action is either to cut the lethal material from the stem at or near ground level, or to apply the herbicide directly to the base of the stem of a plant or grass.
  • the stem and leaves of the grass or weeds protruding above the ground are cut and the blocking herbicide emulsion applied to the open stem or directly to the base.
  • the ingress into the plant of the fatty material dispersed in the solvent by diffusion and capillary action as well as the subsequent asmotic effects, causes the fatty substances to be transported into the phloem or xylem and other cells, thereby precipitating or blocking and preventing the normal expiration of the cell and possibly also plasmolysis, osmolosis, cellular delamination, blocking and self-choking of the tissue actions.
  • the present herbicide and treatment method provides an effective alternative for replacing conventional dangerous, toxic, complex hormonal and complex herbicidal chemicals from being used, particularly in public parks, private grounds, footpaths, driveways, home gardens and lawns where it is possible that domestic animals, children and other living organisms can come in contact with the chemicals or treated plants.
  • organic additives such as wood ash or blood and bone extract may be utilised.
  • Inorganic additives increasing ion concentrations such as sulphate of ammonia, urea,, sulphate of potash, and/or nitrates and sulphates of other cations.
  • Sodium chloride may also be effective. These additives appear to have the effect of causing a higher concentration of nutrient ions, which result in an overly strong plasmolysis effect which ultimately kills the plant's cells.
  • the lipid of choice is a fat.
  • an animal fat has been used, which is readily available at low cost.
  • Other fats, waxes and oils could also be used though for simplicity of description, the word fat has been used herein. Tallow can also be readily substituted for the fat in the following examples.
  • esters of o- 20 acids with . 4 alcohols are generally suitable in many instances.
  • the stem and leaves of the grass or weeds protruding above the ground are cut and the blocking herbicide emulsion applied to the open stem or directly to the base.
  • the ingress into the plant of the fatty material dispersed in the solvent by diffusion and capillary action as well as the subsequent asmotic effects, causes the fatty substances to be transported into the phloem or xylem and other cells, thereby precipitating or blocking and preventing the normal expiration of the cell and possibly also plasmolysis, osmolosis, cellular delamination, blocking and self-choking of the tissue actions.depending upon the exposure of the plants to heat and/or sunlight.
  • the blocking agent then has the effect of retaining the solvent or carrier liquid within the plant tissue and/or plant cells.
  • the solvent or carrier liquid may act directly on the cells walls of the plant, often resulting in the delamination and/or dissolution of same, at the same time that the blocking agent is having its effect.

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Zoology (AREA)
  • Plant Pathology (AREA)
  • Microbiology (AREA)
  • Biotechnology (AREA)
  • Dentistry (AREA)
  • Wood Science & Technology (AREA)
  • Agronomy & Crop Science (AREA)
  • Environmental Sciences (AREA)
  • Natural Medicines & Medicinal Plants (AREA)
  • Mycology (AREA)
  • Pest Control & Pesticides (AREA)
  • Virology (AREA)
  • Botany (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

Inhibiteurs utilisables dans les compositions herbicides. Les inhibiteurs préférés sont généralement des lipides, notamment des graisses, des huiles et des cires. On décrit l'utilisation d'esters bien que l'on estime généralement que les acides gras seuls sont inappropriés vu les problèmes de transport. Les inhibiteurs sont souvent hydrophobes et nécessitent généralement l'emploi d'un solvant lipophile ou non aqueux. On décrit également l'emploi de solvants appropriés, ainsi que des procédés de mise en ÷uvre d'une composition herbicide.
PCT/NZ1993/000023 1992-04-06 1993-04-05 Perfectionnements apportes au traitement herbicide des plantes WO1993019598A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NZ242249A NZ242249A (en) 1992-04-06 1992-04-06 Herbicidal method and composition; fat or wax dispersed in oil blocks transport of liquid in plant stem when applied thereto
NZ242249 1992-04-06

Publications (1)

Publication Number Publication Date
WO1993019598A1 true WO1993019598A1 (fr) 1993-10-14

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Family Applications (1)

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PCT/NZ1993/000023 WO1993019598A1 (fr) 1992-04-06 1993-04-05 Perfectionnements apportes au traitement herbicide des plantes

Country Status (3)

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AU (1) AU3963093A (fr)
NZ (1) NZ242249A (fr)
WO (1) WO1993019598A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2714262A1 (fr) * 1993-12-24 1995-06-30 Derives Resiniques Terpenique Utilisation d'une formulation à base d'huile de pin et d'un agent tensioactif en tant qu'adjuvant d'une composition ou d'une bouillie herbicide.
WO1997016975A1 (fr) * 1994-05-11 1997-05-15 John Selga Composition et procede herbicides
WO1997039627A1 (fr) * 1996-04-23 1997-10-30 Mycogen Corporation Composition herbicide contenant des acides gras a base d'huile et procede d'application d'herbicides contenant des acides gras
US5998335A (en) * 1995-11-06 1999-12-07 Selga; John Herbicidal composition and method
US20110045982A1 (en) * 2008-02-18 2011-02-24 Nof Corporation Herbicidal composition
US8153561B2 (en) 2005-03-02 2012-04-10 Cutting Edge Formulations, Inc. Limonene-containing herbicide compositions, herbicide concentrate formulations and methods for making and using same for organic production

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2626862A (en) * 1950-06-30 1953-01-27 Thompson Boyce Plant Res Method of killing plants
US3645716A (en) * 1969-10-03 1972-02-29 Exxon Research Engineering Co Neodecanoic acid as a postemergent herbicide
AU2625288A (en) * 1987-10-16 1989-05-02 Safer, Inc. Biodegradable herbicidal compositions containing monocaboxylic acids and ammonium compounds
WO1991005472A1 (fr) * 1989-10-13 1991-05-02 Safer, Inc. Concentre emulsifiable a base d'acides gras presentant une activite herbicide
WO1991005471A1 (fr) * 1989-10-13 1991-05-02 Safer, Inc. Compositions herbicides a base d'acide gras

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2626862A (en) * 1950-06-30 1953-01-27 Thompson Boyce Plant Res Method of killing plants
US3645716A (en) * 1969-10-03 1972-02-29 Exxon Research Engineering Co Neodecanoic acid as a postemergent herbicide
AU2625288A (en) * 1987-10-16 1989-05-02 Safer, Inc. Biodegradable herbicidal compositions containing monocaboxylic acids and ammonium compounds
WO1991005472A1 (fr) * 1989-10-13 1991-05-02 Safer, Inc. Concentre emulsifiable a base d'acides gras presentant une activite herbicide
WO1991005471A1 (fr) * 1989-10-13 1991-05-02 Safer, Inc. Compositions herbicides a base d'acide gras

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PHYTOCHEMISTRY, Volume 24, No. 12, 1985, M. ENTZEROTH et al., "A Herbicidal Fatty Acid Produced by Lyngbya Aestuarii", pages 2875-2876. *
PHYTOCHEMISTY, Volume 27, No. 10, 1988, N.G. MURALEEDHARAN et al., "A New Fatty Acid Methyl Ester and Other Biologically Active Compounds from Aspergillus Niger". *
WEED SCIENCE, Volume 34, (1986), J.A. NALEWAJA et al., "Absorption and Translocation of Herbicides with Lipid Compounds", pages 564-568. *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2714262A1 (fr) * 1993-12-24 1995-06-30 Derives Resiniques Terpenique Utilisation d'une formulation à base d'huile de pin et d'un agent tensioactif en tant qu'adjuvant d'une composition ou d'une bouillie herbicide.
WO1995017822A1 (fr) * 1993-12-24 1995-07-06 Action Pin Utilisation d'au moins un carbure terpenique et/ou un de ses derives en tant qu'adjuvant d'une bouillie herbicide ou coformulant d'une composition herbicide
US6010978A (en) * 1993-12-24 2000-01-04 Action Pin Herbicidal compositions containing terpene hydrocarbons
WO1997016975A1 (fr) * 1994-05-11 1997-05-15 John Selga Composition et procede herbicides
US5998335A (en) * 1995-11-06 1999-12-07 Selga; John Herbicidal composition and method
WO1997039627A1 (fr) * 1996-04-23 1997-10-30 Mycogen Corporation Composition herbicide contenant des acides gras a base d'huile et procede d'application d'herbicides contenant des acides gras
US8153561B2 (en) 2005-03-02 2012-04-10 Cutting Edge Formulations, Inc. Limonene-containing herbicide compositions, herbicide concentrate formulations and methods for making and using same for organic production
US8273687B2 (en) 2005-03-02 2012-09-25 Cutting Edge Formulations, Inc. Limonene-containing herbicide compositions, herbicide concentrate formulations and methods for making and using same
US20110045982A1 (en) * 2008-02-18 2011-02-24 Nof Corporation Herbicidal composition
EP2248420A4 (fr) * 2008-02-18 2012-10-24 Nof Corp Composition herbicide
US8569211B2 (en) 2008-02-18 2013-10-29 Nof Corporation Method of applying a herbicidal composition

Also Published As

Publication number Publication date
NZ242249A (en) 1995-02-24
AU3963093A (en) 1993-11-08

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