EP2034823A1 - Composition herbicide améliorée - Google Patents

Composition herbicide améliorée

Info

Publication number
EP2034823A1
EP2034823A1 EP07719077A EP07719077A EP2034823A1 EP 2034823 A1 EP2034823 A1 EP 2034823A1 EP 07719077 A EP07719077 A EP 07719077A EP 07719077 A EP07719077 A EP 07719077A EP 2034823 A1 EP2034823 A1 EP 2034823A1
Authority
EP
European Patent Office
Prior art keywords
herbicidal composition
anyone
alcohol
composition
glyphosate
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.)
Withdrawn
Application number
EP07719077A
Other languages
German (de)
English (en)
Other versions
EP2034823A4 (fr
Inventor
David Wallis
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.)
STRIKEFORCE CORPORATION PTY LTD.
Original Assignee
Biotech Science Pty Ltd
Van Schaik's Biogro Pty 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
Priority claimed from AU2006903198A external-priority patent/AU2006903198A0/en
Application filed by Biotech Science Pty Ltd, Van Schaik's Biogro Pty Ltd filed Critical Biotech Science Pty Ltd
Publication of EP2034823A1 publication Critical patent/EP2034823A1/fr
Publication of EP2034823A4 publication Critical patent/EP2034823A4/fr
Withdrawn legal-status Critical Current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
    • A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
    • A01N57/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds
    • A01N57/20—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds containing acyclic or cycloaliphatic radicals

Definitions

  • This invention relates to an improved herbicidat composition which contains " glyphosate, also known as N-phoaphonomethylglycine (HOOCCH.sub.2 NHCH.sub2 PO(OH).sub.2).
  • glyphosate also known as N-phoaphonomethylglycine
  • this invention relates to a glyphosate salt based herbicide composition which has increased efficacy over existing formulations utilising the same level or lower of the active ingredient of the glyphosate salt and a herbicidal composition based on glyphosate salts that have a faster penetration rate into the foliage to which the herbicidal activity of the glyphosate salt is required to activate than has previously been available.
  • Glyphosate herbicides are already well known in the relevant technological field associated with herbicide formulations, and presently there are a variety of commercia products available of glyphosate salts forming the active ingredients of a range of herbicides, for example Round Up®, Accord® and Round Up Xtra of the Monsanto company.
  • Another well known commercial formulation is also known as Touch Down®.
  • Each of these commercial formulations offer a herbicide which contain a glyphosate salt, which when applied to plants releases or otherwise provides glyphosate ions. It is these ions that create the herbicidal activity which disrupts the physiological behaviour of the plant which is being killed or controlled by the herbicide.
  • glyphosate herbicides are considered to be fairly environmentally friendly, and are generally applied in an aqueous solution or dispersion, most commonly by spraying onto the foliage of the plants to be killed or controlled.
  • herbicides are generally classified as a weed controller or killer, the fact is that herbicides can also be frequently used for killing or controlling plants not normally thought of as weeds, and hence this should be kept in mind when determining the scope of this invention as the herbicide can be easily applied to other plant species which are not usually considered generally as weeds, but for one reason or another require to be controlled or eliminated normally to provide for a new cleared land for the incorporation of a new crop species or the like.
  • herbicides that have the glyphosate sold as the active ingredient are mixed together with one or more surfactants which assist in retention of droplets of the applied spray on the foliage of the treated plants.
  • the glyphosate salt is an expensive ingredient and therefore the amount used is proportional normally to the cost of the product.
  • the active ingredient glyphosate salt with surfactant -neans that if we are to improve the kill time or control of destroying the foliage higher proportions of the active ingredient glyphosate needs to be included into the composition.
  • a problem with such an arrangement is that if the active ingredient remains on the leaf for a longer period of time, it is more susceptible to removal from the leaf if exposed to conditions such as rain and the like. As to be expected if the glyphosate salt is applied to the plant and is yet to release its 'glyphosate ions into the foliage, inclement weather will simply wash the active ingredient from the foliage onto the ground.
  • an object of this invention is to provide for a glyphosate salt based herbicide which has increased efficacy over existing formulations utilising the same level or lower of the active ingredient of the glyphosate salt compared to those previously available.
  • a further object of this invention is to provide for a herbicidal composition based on glyphosate salts that have a faster penetration rate into the foliage to which the herbicidal activity of the glyphosate salt is required to activate.
  • a herbicidal composition including a glyphosate salt, fulvic acid and a , surfactant blend, said surfactant blend including the following components (a) to (e);
  • the salt of sulphated alkoxylated alcohol is sodium lauryl ether sulphate.
  • the C10-C 18 alcohol is lauryl alcohol.
  • the water in the surfactant blend contains a chelating and/or sequestering agent.
  • solubilising agent is sodium xylene sulphonate and/or ethanol.
  • the alcohol portion of component (a) is lauryl alcohol.
  • the herbicidal composition further includes a plant nutrient.
  • An advantage of such a herbicidal composition is that as the surfactant of the defined ingredients is used in combination with the glyphosate salt active ingredieni of the herbicide, the effectiveness of the active ingredient is substantially improved.
  • the use of the fulvic acid improves the metabolic rate of the plants biological systems, of which this speeding up activity of the plant means that the glyphosate ions are able to be absorbed into the plant at a much faster rate.
  • a further advantage of such an arrangement is that as the glyphosate salt is combined with a particularly defined and determined surfactant, there is far greater improvement in the dispersion and wetting of the composition when the droplets are sprayed onto the foliage of the treated plants.
  • the spraying droplets by being of improved minute dimensions are able to wet and penetrate the foliage surface at a much faster rate.
  • the surfactant by improving the wetting action means that rather than having the active ingredient tied up in globules of large droplets sitting on the surface of the foliage to be treated, they are dispersed outwards which then allows the pesticide through the hydrophobic cuticle that covers the foliar surface to more quickly penetrate the plant to bring about the kill.
  • this improved dispersion and wetting action of the herbicidal compositions through the combination of the surfactant and the active ingredient salt means that killing time of a plant being treated can be reduced to hours compared to previously available herbicide compositions, such as the well known commercial brands referred to previously, such as Round Up which takes initia 1 effect within 3 to 5 days.
  • the nutritional function of the fulvic acid is both direct and immediate. Fulvic acid substances tend to chelate various nutrients and metals in the soil, thus preventing the precipitation of the metals in the forms of oxide, hydroxides or carbonates, which then become unstable because they are in soluble forms that cannot be absorbed by the root hairs of the plant.
  • the use of the fulv ⁇ c acid is increasing the nutritional functions of the plant being controlled, thereby allowing it to grow faster. Regrettably for the plant being treated with the herbicidal composition of the invention, this is a disadvantage because the faster growth rates transpires to faster intake of the herbicide thus the faster rate of killing said plant.
  • the improved wetting dispersion of the active ingredient onto the surface of the plant by virtue of the surfactant mixture means that the product can be sprayed onto the foliage even if rain is expected shortly.
  • efficacy of the overall herbicidal composition of this invention can be improved without the need of simply increasing the quantity of the glyphosate in the product, means that cost savings can be made, and there is no problems associated with reducing the amount of surfactant in the product, which as to be expected if such undertakings were completed, the ability of the surfactant to wet the surface will be substantially reduced.
  • a further advantage is that as the glyphosate salt is not left active on the surface of the foliage being killed for a prolonged period of time there is a lower risk in having any of the salt ending up in the ground, to which certain •environmental people still argue have some consequences if introduced into the soil.
  • the result provides benefits to the soil as potentially an enhancement rather than any type of degradation.
  • the addition of the fulvic acid into the soil will automatically increase the bioactivity of the soil, and hence we are enhancing the biological nutritional functionality of the soil rather than producing any risk or the like through the application of this herbicidal composition.
  • An advantage of having the surfactant including a C10 - C18 alcohol is that such alcohols such as lauryl alcohol, means that with the evaporation of the other ingrecients the lauryl alcohol can remain with the molecular coating on the foliage which almost protects it from water or the like.
  • the water can literally bead or bounce off the foliage rather than washing away the applied herbicidal composition.
  • a further advantage of such an arrangement is that the surfactant defined to work in synergy with the active glyphosate salt and fulvic acid in providing the herbicidal composition is all naturally derived and very rapidly biodegradable by ultra violet light.
  • the formulation is substantially non drift, particularly if used with air induction nozzles and does not require additional adjunctives commonly used by the well recognised commercial formulations of glyphosate salt herbicides such as Round-Up® to ensure against drift.
  • the herbicidal composition defined above assists in trapping the fine odour causing particles which advantageously has benefits for occupational, health and safety issues associated with such herbicidal compositions.
  • the glyphosate salt is ⁇ sopropylamine, diammoniun or trimethylsolfonium or a combination thereof, and/or esters and/or derivatives of said salts and combinations thereof.
  • the surfactant blend making up 2 to 20% solid weight of the herbicidal composition.
  • the fulvic acid is in combination with chelated nutrients including potassium, phosphorus, nitrogen or a combination thereof.
  • the plant nutrient is ammonium sulphate.
  • ammonium sulphate provides a nutrient intake for the plant under herbicidal attack, increasing the plants metabolism which then also increases the intake rate of the herbicidal compostion.
  • herbal composition further includes triethanolamrne.
  • herbal composition further includes polysiloxane.
  • polysiloxane is between .4% to 2% of a polyether modified polysiloxane in the herbicidal composition.
  • the polysiloxane provides surfactant synergy with the surfactant blend defined by components (a) to (e), and wherein the triethanolamine adjusts the final pH of the composition to around 7.0 for the effective operating conditions for the polysiloxane.
  • the sodium laurly ether sulphate contains between 1 and 5 moles of an alkoxy g'oup.
  • the alkoxy group is ethoxy.
  • sodium la ⁇ rly ether sulphate contains 2 or 3 moles of ethylene oxide.
  • component (b) is lauryl alcohol, cetyl alcohol, steryl alcohol, or a combination thereof.
  • component (c) is an ether or a C1-C4 branched or u ⁇ branched alcohol, or a mixture thereof.
  • the solvent (c) is diethylene glycol monobutyl ether or isopropa ⁇ ol.

Landscapes

  • 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 herbicide, ladite composition incluant un sel de glyphosate, de l'acide fulvique et un mélange de tensioactifs, ledit mélange de tensioactifs comprenant les composants suivants : un sel d'un alcool alcoxylé sulfaté, un alcool en C10-C18, un solvant organique miscible à l'eau capable de dissoudre le composant (b), un ou plusieurs agents solubilisants et de l'eau.
EP07719077A 2006-06-15 2007-06-15 Composition herbicide améliorée Withdrawn EP2034823A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2006903198A AU2006903198A0 (en) 2006-06-15 An improved herbicide composition and enhanced method of killing weeds
PCT/AU2007/000835 WO2007143791A1 (fr) 2006-06-15 2007-06-15 Composition herbicide améliorée

Publications (2)

Publication Number Publication Date
EP2034823A1 true EP2034823A1 (fr) 2009-03-18
EP2034823A4 EP2034823A4 (fr) 2012-02-15

Family

ID=38831329

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07719077A Withdrawn EP2034823A4 (fr) 2006-06-15 2007-06-15 Composition herbicide améliorée

Country Status (4)

Country Link
EP (1) EP2034823A4 (fr)
AU (1) AU2007260589B2 (fr)
NZ (1) NZ574159A (fr)
WO (1) WO2007143791A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2848156T3 (es) 2009-09-03 2021-08-05 Fbsciences Holdings Inc Composiciones y métodos de tratamiento de semillas
AR081604A1 (es) 2009-09-28 2012-10-10 Fbsciences Holdings Inc Metodos para reducir el estres en las plantas y para regular al menos un gen de una especie vegetal
BR112013001066A2 (pt) 2010-07-15 2016-05-24 Fbsciences Holdings Inc composições de micro-organismos e métodos
GB2496643B (en) * 2011-11-17 2016-08-17 Rotam Agrochem Int Co Ltd Herbicidal suspension concentrate
BR112014017162A8 (pt) 2012-01-12 2017-07-04 Fbsciences Holdings Inc modulação de biologia vegetal
CN109068656A (zh) * 2016-05-12 2018-12-21 巴斯夫欧洲公司 稳定的含草铵膦的除草组合物

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5821195A (en) * 1996-08-16 1998-10-13 Monsanto Company Sequential application method for enhancing glyphosate herbicidal effectiveness with reduced antagonism

Family Cites Families (11)

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Publication number Priority date Publication date Assignee Title
CN1181882A (zh) * 1996-11-08 1998-05-20 柳志强 多功能植物生长调节剂
CN1184591A (zh) * 1996-12-12 1998-06-17 陈世龙 植物速生灭菌调节剂
CN1263711A (zh) * 1999-02-14 2000-08-23 大连瑞泽农药股份有限公司 水田除草剂
CN1087591C (zh) * 1999-04-23 2002-07-17 西北农业大学无公害农药研究服务中心 一种农药组合物
US6369122B1 (en) * 2000-06-14 2002-04-09 Rhodia Inc. Agricultural foam marker compositions and use thereof
US6541424B2 (en) * 2000-08-07 2003-04-01 Helena Chemical Company Manufacture and use of a herbicide formulation
CA2439689C (fr) * 2001-03-02 2012-12-04 Monsanto Technology Llc Compositions pesticides contenant un acide oxalique
US20030044382A1 (en) * 2001-05-11 2003-03-06 Selvig Thomas A. Biologic-chemical herbicide compositions and methods of use
IL145236A0 (en) * 2001-09-03 2002-06-30 Agro Vant Ltd Multi-layer adjuvants for controlled delivery of agro-materials into plant tissue
AUPS219502A0 (en) * 2002-05-07 2002-06-06 DMRJ Consultants Organic compostions
JP5085844B2 (ja) * 2004-11-25 2012-11-28 関東天然瓦斯開発株式会社 農業用組成物

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5821195A (en) * 1996-08-16 1998-10-13 Monsanto Company Sequential application method for enhancing glyphosate herbicidal effectiveness with reduced antagonism

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2007143791A1 *

Also Published As

Publication number Publication date
NZ574159A (en) 2010-07-30
AU2007260589B2 (en) 2011-11-17
AU2007260589A1 (en) 2007-12-21
EP2034823A4 (fr) 2012-02-15
WO2007143791A1 (fr) 2007-12-21

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