WO2005092102A1 - Use of prosulfocarb to control undesired vegetation in rice fields - Google Patents

Use of prosulfocarb to control undesired vegetation in rice fields Download PDF

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Publication number
WO2005092102A1
WO2005092102A1 PCT/EP2005/003185 EP2005003185W WO2005092102A1 WO 2005092102 A1 WO2005092102 A1 WO 2005092102A1 EP 2005003185 W EP2005003185 W EP 2005003185W WO 2005092102 A1 WO2005092102 A1 WO 2005092102A1
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WO
WIPO (PCT)
Prior art keywords
spp
prosulfocarb
undesired vegetation
control
crop
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Application number
PCT/EP2005/003185
Other languages
French (fr)
Inventor
Georg Rüdiger Kotzian
Roger C. Murfitt
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Syngenta Participations Ag
Syngenta Limited
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Priority to JP2007504371A priority Critical patent/JP2007530496A/en
Publication of WO2005092102A1 publication Critical patent/WO2005092102A1/en

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
    • A01N47/10—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
    • A01N47/12—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing a —O—CO—N< group, or a thio analogue thereof, neither directly attached to a ring nor the nitrogen atom being a member of a heterocyclic ring
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
    • A01N47/10—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof

Definitions

  • the present invention relates to a method of controlling undesired vegetation in a rice crop by applying prosulfocarb (683).
  • a class of herbicides are the thiocarbamates.
  • US-A-4,695,314 describes certain thiocarbamates as showing control of weeds in rice crops.
  • prosulfocarb (683), demonstrates superior control of undesired vegetation in rice crops, whether pre- emergence or post-emergence.
  • the present invention provides a method of controlling undesired vegetation in a rice crop comprising applying to the locus where control is desired a herbicidal amount of prosulfocarb (683).
  • prosulfocarb is applied in the form of a composition comprising prosulfocarb and at least one customary inert formulation adjuvant.
  • the present invention provides use of prosulfocarb to control undesired vegetation in a rice crop.
  • Undesired vegetation are those plants that affect the growth and quality of the rice and examples include grasses and broad-leaved weeds.
  • a herbicidally effective amount of a prosulfocarb is applied on appropriate areas for controlling the undesired vegetation to allow them to act on the undesired vegetation or the area of cultivation of the rice crop.
  • Areas of cultivation are areas of land on which the crop plants are already growing or in which the seed material of those crop plants has been sown, and also land on which it is intended to grow those crop plants.
  • control of the undesired vegetation ensures satisfactory crop yield and quality, and the grower of the crop has often to balance the costs associated with the use of herbicide compound with the resulting yield, but generally an increase of, for example, at least 5% yield of a crop which has undergone treatment compared with an untreated crop is considered control by the compound.
  • the prosulfocarb can be used against a large number of agronomically important grass and broad-leaved weeds, such as Monochoria spp., Lindernia spp., Ludwigia spp., Elatine spp., Ludwigia spp., Butomus spp., Ipomea spp., Limnocharis spp., Rotala indica, Sagittaria spp., Sphenoclea spp., Eleusine indica, Echinochloa spp., Leptochloa spp., Digitaria spp., Setaria spp., Paspalum spp., Rottboelia exaltata, Brachiaria spp., and Ischeamum spp., and annual and perennial sedges, e.g., Scirpus spp. (e.g., Scirpus juncoides), Cyperus spp., Eleocharis
  • prosulfocarb is particularly effective in controlling undesired vegetation in rice crops, which vegetation has developed resistance to acetolactate synthase (ALS) inhibitors, such as Lindernia spp., Monochoria spp., Elatine Spp., Scirpus spp. and Cyperus spp..
  • ALS acetolactate synthase
  • Prosulfocarb is especially effective against Lindernia Dubia, Monochoria vaginalis or Elatine triandra.
  • the prosulfocarb is suitable for all methods of application conventionally used in agriculture, e.g., pre-emergence application and post-emergence application.
  • the rate of application may vary within wide limits and depends on the nature of the soil, the method of application (pre- or post-emergence, etc.), the undesired vegetation to be controlled, the prevailing climatic conditions, and other factors governed by the method of application, and the time of application.
  • Prosulfocarb on an active ingredient basis, can generally be applied at a rate of from 0.01 to 10, preferably 0.1 to 7, especially 1 to 5, kg per ha.
  • the prosulfocarb may be employed in unmodified form, i.e., as obtained in synthesis, but is generally used in a composition (or formulation), formulated together with the adjuvants conventionally used in formulation technology, such as solvents, solid carriers or surfactants, for example, into emulsifiable concentrates, directly sprayable or dilutable solutions, wettable powders, soluble powders, dusts, granules or microcapsules, as described in WO 97/34483, pages 9 to 13, and optionally one or more other compounds having pesticidal activity, such as herbicidal activity.
  • adjuvants conventionally used in formulation technology
  • solvents such as solvents, solid carriers or surfactants
  • the methods of application such as spraying, atomising, dusting, wetting, scattering or pouring, are chosen in accordance with the intended objectives and the prevailing circumstances.
  • the formulations can be prepared in a known manner, e.g., by intimately mixing and/or grinding the active ingredients with the formulation adjuvants, e.g., solvents or solid carriers.
  • formulation adjuvants e.g., solvents or solid carriers.
  • surface-active compounds surfactants
  • surfactants may also be used in the preparation of the formulations.
  • suitable surface-active compounds are non-ionic, cationic and/or anionic surfactants and surfactant mixtures having good emulsifying, dispersing and wetting properties.
  • suitable anionic, non-ionic and cationic surfactants are listed, for example, in WO 97/34485, pages 7 and 8.
  • Also suitable for the preparation of the herbicidal compositions according to the invention are the surfactants conventionally employed in formulation technology, which are described, inter alia, in "McCutcheon's Detergents and Emulsifiers Annual” MC Publishing Corp., Ridgewood New Jersey, 1981 , Stache, H., “Tensid-Taschenbuch", Carl Hanser Verlag, Kunststoff/Vienna, 1981 and M. and J. Ash, "Encyclopedia of Surfactants", Vol l-lll, Chemical Publishing Co., New York, 1980-81.
  • the herbicidal formulations usually contain from 0.1 to 99 % by weight, especially from 0.1 to 95 % by weight, of active ingredient, from 0 to 25 % by weight, especially from 0.1 to 25 % by weight, of a surfactant, and the balance a solid or liquid formulation adjuvant.
  • compositions may also comprise further ingredients, such as stabilisers, e.g., vegetable oils or epoxidised vegetable oils (epoxidised coconut oil, rapeseed oil or soybean oil), antifoams, e.g., silicone oil, preservatives, viscosity regulators, binders, tackif iers and also fertilisers or other active ingredients.
  • stabilisers e.g., vegetable oils or epoxidised vegetable oils (epoxidised coconut oil, rapeseed oil or soybean oil)
  • antifoams e.g., silicone oil
  • preservatives e.g., silicone oil
  • viscosity regulators binders
  • tackif iers tackif iers and also fertilisers or other active ingredients.
  • Bioloqical Examples ALS- resistant seeds from various weed species are planted in commonly used Greenhouse pots.
  • the application of the product is performed in a closed application chamber with a water amount of 200 l/ha.
  • the trial is randomised and carries 4 replicates.
  • the rating is in 100 % scale for weed control with evaluation timings at 21 days after application.
  • Table 1 shows that prosulfocarb demonstrates surprisingly effective control of undesired vegetation compared to herbicides used widely in rice crops: molinate (a thiocarbamate) and cinosulfuron.

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

Abstract

A method of controlling unde ired vegetation in a rice crop comprising applying to the locus where control is desired a herbicidal amount of prosulfocarb (683).

Description

Use of prosulfocarb to control undesired vegetation in rice fields
The present invention relates to a method of controlling undesired vegetation in a rice crop by applying prosulfocarb (683).
The inhibition of crop growth by undesired vegetation, such a weeds and grasses, by consuming valuable acreage or soil nutrients is a recurring problem in agriculture. To combat this problem, an extensive variety of chemicals and chemical formulations have been produced for application as herbicides. Many types of herbicides are disclosed in the literature and a large number are in commercial use.
A class of herbicides are the thiocarbamates. US-A-4,695,314 describes certain thiocarbamates as showing control of weeds in rice crops.
It has now been found that a further thiocarbamate compound, prosulfocarb (683), demonstrates superior control of undesired vegetation in rice crops, whether pre- emergence or post-emergence.
Accordingly, in a first aspect the present invention provides a method of controlling undesired vegetation in a rice crop comprising applying to the locus where control is desired a herbicidal amount of prosulfocarb (683).
In an embodiment of the first aspect, prosulfocarb is applied in the form of a composition comprising prosulfocarb and at least one customary inert formulation adjuvant.
In a second aspect, the present invention provides use of prosulfocarb to control undesired vegetation in a rice crop.
The e-Pesticide Manual, version 3.0, 13th Edition, Ed. CDC Tomlin, British Crop Protection Council, 2003-04 provides details of commercial herbicide compounds, including prosulfocarb. The number following the compound name is the entry number given in the Pesticide Manual.
Undesired vegetation are those plants that affect the growth and quality of the rice and examples include grasses and broad-leaved weeds. A herbicidally effective amount of a prosulfocarb is applied on appropriate areas for controlling the undesired vegetation to allow them to act on the undesired vegetation or the area of cultivation of the rice crop.
Areas of cultivation are areas of land on which the crop plants are already growing or in which the seed material of those crop plants has been sown, and also land on which it is intended to grow those crop plants.
The control of the undesired vegetation ensures satisfactory crop yield and quality, and the grower of the crop has often to balance the costs associated with the use of herbicide compound with the resulting yield, but generally an increase of, for example, at least 5% yield of a crop which has undergone treatment compared with an untreated crop is considered control by the compound.
The prosulfocarb can be used against a large number of agronomically important grass and broad-leaved weeds, such as Monochoria spp., Lindernia spp., Ludwigia spp., Elatine spp., Ludwigia spp., Butomus spp., Ipomea spp., Limnocharis spp., Rotala indica, Sagittaria spp., Sphenoclea spp., Eleusine indica, Echinochloa spp., Leptochloa spp., Digitaria spp., Setaria spp., Paspalum spp., Rottboelia exaltata, Brachiaria spp., and Ischeamum spp., and annual and perennial sedges, e.g., Scirpus spp. (e.g., Scirpus juncoides), Cyperus spp., Eleocharis spp. and Fimbristylis spp..
It has been found that prosulfocarb is particularly effective in controlling undesired vegetation in rice crops, which vegetation has developed resistance to acetolactate synthase (ALS) inhibitors, such as Lindernia spp., Monochoria spp., Elatine Spp., Scirpus spp. and Cyperus spp.. Prosulfocarb is especially effective against Lindernia Dubia, Monochoria vaginalis or Elatine triandra.
The prosulfocarb is suitable for all methods of application conventionally used in agriculture, e.g., pre-emergence application and post-emergence application.
The rate of application may vary within wide limits and depends on the nature of the soil, the method of application (pre- or post-emergence, etc.), the undesired vegetation to be controlled, the prevailing climatic conditions, and other factors governed by the method of application, and the time of application. Prosulfocarb, on an active ingredient basis, can generally be applied at a rate of from 0.01 to 10, preferably 0.1 to 7, especially 1 to 5, kg per ha.
The prosulfocarb may be employed in unmodified form, i.e., as obtained in synthesis, but is generally used in a composition (or formulation), formulated together with the adjuvants conventionally used in formulation technology, such as solvents, solid carriers or surfactants, for example, into emulsifiable concentrates, directly sprayable or dilutable solutions, wettable powders, soluble powders, dusts, granules or microcapsules, as described in WO 97/34483, pages 9 to 13, and optionally one or more other compounds having pesticidal activity, such as herbicidal activity. As with the nature of the formulation, the methods of application, such as spraying, atomising, dusting, wetting, scattering or pouring, are chosen in accordance with the intended objectives and the prevailing circumstances. The formulations can be prepared in a known manner, e.g., by intimately mixing and/or grinding the active ingredients with the formulation adjuvants, e.g., solvents or solid carriers. In addition, surface-active compounds (surfactants) may also be used in the preparation of the formulations.
Examples of solvents and solid carriers are given, for example, in WO 97/34485, page 6. Depending on the nature of the active ingredients to be formulated, suitable surface-active compounds are non-ionic, cationic and/or anionic surfactants and surfactant mixtures having good emulsifying, dispersing and wetting properties. Examples of suitable anionic, non-ionic and cationic surfactants are listed, for example, in WO 97/34485, pages 7 and 8. Also suitable for the preparation of the herbicidal compositions according to the invention are the surfactants conventionally employed in formulation technology, which are described, inter alia, in "McCutcheon's Detergents and Emulsifiers Annual" MC Publishing Corp., Ridgewood New Jersey, 1981 , Stache, H., "Tensid-Taschenbuch", Carl Hanser Verlag, Munich/Vienna, 1981 and M. and J. Ash, "Encyclopedia of Surfactants", Vol l-lll, Chemical Publishing Co., New York, 1980-81.
The herbicidal formulations usually contain from 0.1 to 99 % by weight, especially from 0.1 to 95 % by weight, of active ingredient, from 0 to 25 % by weight, especially from 0.1 to 25 % by weight, of a surfactant, and the balance a solid or liquid formulation adjuvant.
Whereas commercial products are usually formulated as concentrates, the end user will normally employ dilute formulations. The compositions may also comprise further ingredients, such as stabilisers, e.g., vegetable oils or epoxidised vegetable oils (epoxidised coconut oil, rapeseed oil or soybean oil), antifoams, e.g., silicone oil, preservatives, viscosity regulators, binders, tackif iers and also fertilisers or other active ingredients.
The following Examples are given by way of illustration and not by way of limitation of the invention. Bioloqical Examples ALS- resistant seeds from various weed species are planted in commonly used Greenhouse pots. The application of the product is performed in a closed application chamber with a water amount of 200 l/ha. The trial is randomised and carries 4 replicates. The rating is in 100 % scale for weed control with evaluation timings at 21 days after application.
Table 1 shows that prosulfocarb demonstrates surprisingly effective control of undesired vegetation compared to herbicides used widely in rice crops: molinate (a thiocarbamate) and cinosulfuron.
Table 1 :
Figure imgf000005_0001

Claims

1. A method of controlling undesired vegetation in a rice crop comprising applying to the locus where control is desired a herbicidal amount of prosulfocarb.
2. The method according to claim 1 , wherein the undesired vegetation is resistant to acetolactate synthase (ALS) inhibitors.
3. The method according to either claim 1 or claim 2, wherein the undesired vegetation is broad-leaved weed or annual and perennial sedges.
4. The method according to any one of claims 1 to 3, wherein the undesired vegetation is Lindernia spp., Monochoria spp., Elatine spp., Scirpus spp. or Cyperus spp..
PCT/EP2005/003185 2004-03-26 2005-03-24 Use of prosulfocarb to control undesired vegetation in rice fields WO2005092102A1 (en)

Priority Applications (1)

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JP2007504371A JP2007530496A (en) 2004-03-26 2005-03-24 Use of prosulfocarb to control unwanted vegetation in rice fields

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP04007300 2004-03-26
EP04007300.9 2004-03-26

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WO2005092102A1 true WO2005092102A1 (en) 2005-10-06

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CN103598177A (en) * 2013-11-29 2014-02-26 苏州佳辉化工有限公司 Prosulfocarb-containing environment-friendly herbicide

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2350475A1 (en) * 1972-10-09 1974-04-25 Montedison Spa CARBAMOYL SULFOXIDE COMPOUNDS
JPS5324020A (en) * 1976-08-14 1978-03-06 Kumiai Chem Ind Co Ltd Composition for herbicide
WO1983000329A1 (en) * 1981-07-27 1983-02-03 Stauffer Chemical Co S-benzyl thiolcarbamates and their use in controlling weeds in rice fields
JPS61191602A (en) * 1985-02-19 1986-08-26 Nissan Chem Ind Ltd Herbicide composition
WO2003028461A1 (en) * 2001-09-28 2003-04-10 Syngenta Participations Ag Herbicidal composition containing pyriftalid

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2350475A1 (en) * 1972-10-09 1974-04-25 Montedison Spa CARBAMOYL SULFOXIDE COMPOUNDS
JPS5324020A (en) * 1976-08-14 1978-03-06 Kumiai Chem Ind Co Ltd Composition for herbicide
WO1983000329A1 (en) * 1981-07-27 1983-02-03 Stauffer Chemical Co S-benzyl thiolcarbamates and their use in controlling weeds in rice fields
JPS61191602A (en) * 1985-02-19 1986-08-26 Nissan Chem Ind Ltd Herbicide composition
WO2003028461A1 (en) * 2001-09-28 2003-04-10 Syngenta Participations Ag Herbicidal composition containing pyriftalid

Non-Patent Citations (11)

* Cited by examiner, † Cited by third party
Title
C.D.S. TOMLIN (ED.): "The Pesticide Manual, twelft edition", 2001, BRITISH CROP PROTECTION COUNCIL, FARNHAM, GB, XP002298618 *
DATABASE BIOSIS [online] BIOSCIENCES INFORMATION SERVICE, PHILADELPHIA, PA, US; 2002, UCHINO AKIRA ET AL: "Mutations in the acetolactate synthase genes of sulfonylurea-resistant biotypes of Lindernia spp", XP002329749, Database accession no. PREV200200464277 *
DATABASE BIOSIS [online] BIOSCIENCES INFORMATION SERVICE, PHILADELPHIA, PA, US; January 2004 (2004-01-01), KUK YONG IN ET AL: "Cross-resistance pattern and alternative herbicides for Cyperus difformis resistant to sulfonylurea herbicides in Korea.", XP002329747, Database accession no. PREV200400083550 *
DATABASE BIOSIS [online] BIOSCIENCES INFORMATION SERVICE, PHILADELPHIA, PA, US; October 2001 (2001-10-01), HWANG I T ET AL: "Resistance to acetolactate synthase inhibitors in a biotype of Monochoria vaginalis discovered in Korea", XP002329748, Database accession no. PREV200100549371 *
DATABASE CHEMABS [online] CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US; J.L.GLASGOW ET AL.: "SC-0574 - a new selective herbicide for use in winter cereals", XP002329750, retrieved from STN-INTERNATIONAL Database accession no. 108:145330 *
DATABASE CHEMABS [online] CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US; XP002329745, retrieved from STN-INTERNATIONAL Database accession no. 89:124573 *
DATABASE CHEMABS [online] CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US; XP002329746, retrieved from STN-INTERNATIONAL Database accession no. 106:1836 *
PEST MANAGEMENT SCIENCE, vol. 60, no. 1, January 2004 (2004-01-01), pages 85 - 94, ISSN: 1526-498X *
PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY, vol. 71, no. 2, October 2001 (2001-10-01), pages 69 - 76, ISSN: 0048-3575 *
PROCEEDINGS - BRITISH CROP PROTECTION COUNCIL -- WEEDS, no. 1, 1987, pages 27 - 33 *
WEED BIOLOGY AND MANAGEMENT, vol. 2, no. 2, 2002, pages 104 - 109, ISSN: 1444-6162 *

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CN1929744A (en) 2007-03-14
KR20060126618A (en) 2006-12-07

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