Alopecurus

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Walter Kuhbauch - One of the best experts on this subject based on the ideXlab platform.

  • Modellversuch zur Beschreibung von Konkurrenzvorgängen zwischen Sommerweizen und einer aus Capsella bursa-pastoris L., Stellaria media L. und Alopecurus myosuroides Huds. bestehenden Mischverunkrautung
    Journal of Agronomy and Crop Science, 1993
    Co-Authors: Winfried Petry, H. Wirth, Walter Kuhbauch
    Abstract:

    Investigation to Describe the Competition between Spring Wheat and a Weed Population Consisting of Capsella bursa-pastoris L., Stellaria media L. and Alopecurus myosuroides Huds. When controlling weeds in cereals using economic threshold as criteria, weed populations must be evaluated for their potential to cause damage at a very early stage. As well as information of actual weed density or weed ground cover, further knowledge about the species specific growth and competition between weed populations is important. For this purpose the growth and competition between the weeds Capsella bursa-pastoris L., Stellaria media L., Alopecurus myosuroides Huds. and spring wheat (Triticum aestivum L.) as a model of a typical weed mixture in cereals were studied in a container experiment. The growth with time of individual species was documented using true colour image processing. In that these measurements are non-invasive, the system lends itself specially to time-dependent analyses. The increasing amount of ground covered by leaves between two observation times served as a parameter to evaluate the increase in biomass over this time period and could be used as a evaluation of the competitiveness of the weed species studied. The results can be summarized as follows: 1) Stellaria media L. proved to be the most competitive of the studied species. 2) The competition to spring wheat from each weed species was similar. 3) A multi species weed population had a tendenci to a lower competitiveness to spring wheat, than a weed population of only-one species. The importance of this and other similar studies for the improvement for the prediction of economic weed thresholds to estimate weed populations in early stages will be indicated.

  • Modellversuch zur Beschreibung von Konkurrenzvorgängen zwischen Sommerweizen und einer aus Capsella bursa‐pastoris L., Stellaria media L. und Alopecurus myosuroides Huds. bestehenden Mischverunkrautung
    Journal of Agronomy and Crop Science, 1993
    Co-Authors: Winfried Petry, H. Wirth, Walter Kuhbauch
    Abstract:

    Investigation to Describe the Competition between Spring Wheat and a Weed Population Consisting of Capsella bursa-pastoris L., Stellaria media L. and Alopecurus myosuroides Huds. When controlling weeds in cereals using economic threshold as criteria, weed populations must be evaluated for their potential to cause damage at a very early stage. As well as information of actual weed density or weed ground cover, further knowledge about the species specific growth and competition between weed populations is important. For this purpose the growth and competition between the weeds Capsella bursa-pastoris L., Stellaria media L., Alopecurus myosuroides Huds. and spring wheat (Triticum aestivum L.) as a model of a typical weed mixture in cereals were studied in a container experiment. The growth with time of individual species was documented using true colour image processing. In that these measurements are non-invasive, the system lends itself specially to time-dependent analyses. The increasing amount of ground covered by leaves between two observation times served as a parameter to evaluate the increase in biomass over this time period and could be used as a evaluation of the competitiveness of the weed species studied. The results can be summarized as follows: 1) Stellaria media L. proved to be the most competitive of the studied species. 2) The competition to spring wheat from each weed species was similar. 3) A multi species weed population had a tendenci to a lower competitiveness to spring wheat, than a weed population of only-one species. The importance of this and other similar studies for the improvement for the prediction of economic weed thresholds to estimate weed populations in early stages will be indicated.

Winfried Petry - One of the best experts on this subject based on the ideXlab platform.

  • Modellversuch zur Beschreibung von Konkurrenzvorgängen zwischen Sommerweizen und einer aus Capsella bursa-pastoris L., Stellaria media L. und Alopecurus myosuroides Huds. bestehenden Mischverunkrautung
    Journal of Agronomy and Crop Science, 1993
    Co-Authors: Winfried Petry, H. Wirth, Walter Kuhbauch
    Abstract:

    Investigation to Describe the Competition between Spring Wheat and a Weed Population Consisting of Capsella bursa-pastoris L., Stellaria media L. and Alopecurus myosuroides Huds. When controlling weeds in cereals using economic threshold as criteria, weed populations must be evaluated for their potential to cause damage at a very early stage. As well as information of actual weed density or weed ground cover, further knowledge about the species specific growth and competition between weed populations is important. For this purpose the growth and competition between the weeds Capsella bursa-pastoris L., Stellaria media L., Alopecurus myosuroides Huds. and spring wheat (Triticum aestivum L.) as a model of a typical weed mixture in cereals were studied in a container experiment. The growth with time of individual species was documented using true colour image processing. In that these measurements are non-invasive, the system lends itself specially to time-dependent analyses. The increasing amount of ground covered by leaves between two observation times served as a parameter to evaluate the increase in biomass over this time period and could be used as a evaluation of the competitiveness of the weed species studied. The results can be summarized as follows: 1) Stellaria media L. proved to be the most competitive of the studied species. 2) The competition to spring wheat from each weed species was similar. 3) A multi species weed population had a tendenci to a lower competitiveness to spring wheat, than a weed population of only-one species. The importance of this and other similar studies for the improvement for the prediction of economic weed thresholds to estimate weed populations in early stages will be indicated.

  • Modellversuch zur Beschreibung von Konkurrenzvorgängen zwischen Sommerweizen und einer aus Capsella bursa‐pastoris L., Stellaria media L. und Alopecurus myosuroides Huds. bestehenden Mischverunkrautung
    Journal of Agronomy and Crop Science, 1993
    Co-Authors: Winfried Petry, H. Wirth, Walter Kuhbauch
    Abstract:

    Investigation to Describe the Competition between Spring Wheat and a Weed Population Consisting of Capsella bursa-pastoris L., Stellaria media L. and Alopecurus myosuroides Huds. When controlling weeds in cereals using economic threshold as criteria, weed populations must be evaluated for their potential to cause damage at a very early stage. As well as information of actual weed density or weed ground cover, further knowledge about the species specific growth and competition between weed populations is important. For this purpose the growth and competition between the weeds Capsella bursa-pastoris L., Stellaria media L., Alopecurus myosuroides Huds. and spring wheat (Triticum aestivum L.) as a model of a typical weed mixture in cereals were studied in a container experiment. The growth with time of individual species was documented using true colour image processing. In that these measurements are non-invasive, the system lends itself specially to time-dependent analyses. The increasing amount of ground covered by leaves between two observation times served as a parameter to evaluate the increase in biomass over this time period and could be used as a evaluation of the competitiveness of the weed species studied. The results can be summarized as follows: 1) Stellaria media L. proved to be the most competitive of the studied species. 2) The competition to spring wheat from each weed species was similar. 3) A multi species weed population had a tendenci to a lower competitiveness to spring wheat, than a weed population of only-one species. The importance of this and other similar studies for the improvement for the prediction of economic weed thresholds to estimate weed populations in early stages will be indicated.

H. Wirth - One of the best experts on this subject based on the ideXlab platform.

  • Modellversuch zur Beschreibung von Konkurrenzvorgängen zwischen Sommerweizen und einer aus Capsella bursa-pastoris L., Stellaria media L. und Alopecurus myosuroides Huds. bestehenden Mischverunkrautung
    Journal of Agronomy and Crop Science, 1993
    Co-Authors: Winfried Petry, H. Wirth, Walter Kuhbauch
    Abstract:

    Investigation to Describe the Competition between Spring Wheat and a Weed Population Consisting of Capsella bursa-pastoris L., Stellaria media L. and Alopecurus myosuroides Huds. When controlling weeds in cereals using economic threshold as criteria, weed populations must be evaluated for their potential to cause damage at a very early stage. As well as information of actual weed density or weed ground cover, further knowledge about the species specific growth and competition between weed populations is important. For this purpose the growth and competition between the weeds Capsella bursa-pastoris L., Stellaria media L., Alopecurus myosuroides Huds. and spring wheat (Triticum aestivum L.) as a model of a typical weed mixture in cereals were studied in a container experiment. The growth with time of individual species was documented using true colour image processing. In that these measurements are non-invasive, the system lends itself specially to time-dependent analyses. The increasing amount of ground covered by leaves between two observation times served as a parameter to evaluate the increase in biomass over this time period and could be used as a evaluation of the competitiveness of the weed species studied. The results can be summarized as follows: 1) Stellaria media L. proved to be the most competitive of the studied species. 2) The competition to spring wheat from each weed species was similar. 3) A multi species weed population had a tendenci to a lower competitiveness to spring wheat, than a weed population of only-one species. The importance of this and other similar studies for the improvement for the prediction of economic weed thresholds to estimate weed populations in early stages will be indicated.

  • Modellversuch zur Beschreibung von Konkurrenzvorgängen zwischen Sommerweizen und einer aus Capsella bursa‐pastoris L., Stellaria media L. und Alopecurus myosuroides Huds. bestehenden Mischverunkrautung
    Journal of Agronomy and Crop Science, 1993
    Co-Authors: Winfried Petry, H. Wirth, Walter Kuhbauch
    Abstract:

    Investigation to Describe the Competition between Spring Wheat and a Weed Population Consisting of Capsella bursa-pastoris L., Stellaria media L. and Alopecurus myosuroides Huds. When controlling weeds in cereals using economic threshold as criteria, weed populations must be evaluated for their potential to cause damage at a very early stage. As well as information of actual weed density or weed ground cover, further knowledge about the species specific growth and competition between weed populations is important. For this purpose the growth and competition between the weeds Capsella bursa-pastoris L., Stellaria media L., Alopecurus myosuroides Huds. and spring wheat (Triticum aestivum L.) as a model of a typical weed mixture in cereals were studied in a container experiment. The growth with time of individual species was documented using true colour image processing. In that these measurements are non-invasive, the system lends itself specially to time-dependent analyses. The increasing amount of ground covered by leaves between two observation times served as a parameter to evaluate the increase in biomass over this time period and could be used as a evaluation of the competitiveness of the weed species studied. The results can be summarized as follows: 1) Stellaria media L. proved to be the most competitive of the studied species. 2) The competition to spring wheat from each weed species was similar. 3) A multi species weed population had a tendenci to a lower competitiveness to spring wheat, than a weed population of only-one species. The importance of this and other similar studies for the improvement for the prediction of economic weed thresholds to estimate weed populations in early stages will be indicated.

Naunheim Peter - One of the best experts on this subject based on the ideXlab platform.

  • Cossack Star – ein neues Herbizid zur Bekämpfung von Ungräsern und Unkräutern in Getreide
    Julius-Kühn-Archiv, 2016
    Co-Authors: Kerlen Dirk, Naunheim Peter
    Abstract:

    Cossack Star (Mesosulfuron-methyl; Iodosulfuron-methyl-sodium; Thiencarbazone-methyl; Mefenpyr-diethyl) ist ein neues Getreideherbizid zur Bekämpfung von Acker-Fuchsschwanz (Alopecurus myosuroides), Weidelgras-Arten (Lolium spec.), Flughafer (Avena fatua), Gemeinem Windhalm (Apera spica-venti L.), Einjährigem Rispengras (Poa annua L.) und einjährig zweikeimblättrigen Unkräutern. Das Produkt kann zur Frühjahrsapplikation in den Kulturen Winterweichweizen (Triticum aestivum L.), Wintertriticale (Triticale), Winterroggen (Secale cereale L.), Winterhartweizen (Triticum durum DESF.) und Dinkel (Triticum spelta L.) eingesetzt werden.Der Beitrag befasst sich mit der Auswertung mehrjähriger Versuche hinsichtlich der Wirkung von Cossack Star im Nachauflaufeinsatz im Frühjahr. Cossack Star – a new herbicide in cereals with efficacy against grasses and dicotsCossack Star (mesosulfuron-methyl; iodosulfuron-methyl-sodium; thiencarbazone-methyl; mefenpyr-diethyl) is a new cereal herbicide to control blackgrass (Alopecurus myosuroides), ryegrass (Lolium spec.), wild oat (Avena fatua), loose silky-bentgrass (Apera spica-venti L.), annual meadow-grass (Poa annua L.) and dicot weeds. Cossack Star can be used in winter wheat, winter triticale, winter rye, winter durum wheat and spelt. The publication is based on efficacy trials from two years of spring application with Cossack Star

  • Atlantis Star – ein neues Herbizid zur Bekämpfung von Ungräsern und Unkräutern in Getreide
    Julius-Kühn-Archiv, 2016
    Co-Authors: Kerlen Dirk, Naunheim Peter
    Abstract:

    Atlantis Star (Mesosulfuron-methyl; Iodosulfuron-methyl-sodium; Thiencarbazone-methyl; Mefenpyr-diethyl) ist ein neues Getreideherbizid zur Bekämpfung von Acker-Fuchsschwanz (Alopecurus myosuroides; sensitiv und Problemstandorte), Trespen-Arten (Bromus spec.), Weidelgras-Arten (Lolium spec.), Flughafer (Avena fatua), Gemeinem Windhalm (Apera spica-venti L.), Einjährigem Rispengras (Poa annua L.) und einjährig zweikeimblättrigen Unkräutern. Das Produkt kann in den Kulturen Winterweichweizen (Triticum aestivum L.), Wintertriticale (Triticale), Winterroggen (Secale cereale L.), Winterhartweizen (Triticum durum DESF.) und Dinkel (Triticum spelta L.) im Nachauflauf Frühjahr eingesetzt werden.Der Beitrag befasst sich mit der Auswertung mehrjähriger Versuche hinsichtlich der Wirkung von Atlantis Star im Nachauflaufeinsatz im Frühjahr.Atlantis Star – a new herbicide in cereals with efficacy against grasses and dicotsAtlantis Star (mesosulfuron-methyl; iodosulfuron-methyl-sodium; thiencarbazone-methyl; mefenpyr-diethyl) is a new cereal herbicide to control blackgrass (Alopecurus myosuroides; sensitive and high infestation), brome grass (Bromus spec.), ryegrass (Lolium spec.), wild oat (Avena fatua), loose silky-bentgrass (Apera spica-venti L.), annual meadow-grass (Poa annua L.) and dicot weeds. Atlantis Star can be used in winter wheat, winter triticale, winter rye, winter durum wheat and spelt. The publication is based on efficacy trials from two years of spring application with Atlantis Star

  • Cossack Star – a new herbicide in cereals with efficacy against grasses and dicots
    Julius Kühn-Institut, 2016
    Co-Authors: Kerlen Dirk, Naunheim Peter
    Abstract:

    Cossack Star (mesosulfuron-methyl; iodosulfuron-methyl-sodium; thiencarbazone-methyl; mefenpyr-diethyl) is a new cereal herbicide to control blackgrass (Alopecurus myosuroides), ryegrass (Lolium spec.), wild oat (Avena fatua), loose silky-bentgrass (Apera spica-venti L.), annual meadow-grass (Poa annua L.) and dicot weeds. Cossack Star can be used in winter wheat, winter triticale, winter rye, winter durum wheat and spelt. The publication is based on efficacy trials from two years of spring application with Cossack Star

  • Atlantis Star – a new herbicide in cereals with efficacy against grasses and dicots
    Julius Kühn-Institut, 2016
    Co-Authors: Kerlen Dirk, Naunheim Peter
    Abstract:

    Atlantis Star (mesosulfuron-methyl; iodosulfuron-methyl-sodium; thiencarbazone-methyl; mefenpyr-diethyl) is a new cereal herbicide to control blackgrass (Alopecurus myosuroides; sensitive and high infestation), brome grass (Bromus spec.), ryegrass (Lolium spec.), wild oat (Avena fatua), loose silky-bentgrass (Apera spica-venti L.), annual meadow-grass (Poa annua L.) and dicot weeds. Atlantis Star can be used in winter wheat, winter triticale, winter rye, winter durum wheat and spelt. The publication is based on efficacy trials from two years of spring application with Atlantis Star

  • Atlantis FLEX (BAY 22010 H) – ein neues Herbizid zur Bekämpfung von Ungräsern in Getreide
    Julius-Kühn-Archiv, 2014
    Co-Authors: Kerlen Dirk, Naunheim Peter
    Abstract:

    Atlantis FLEX (Mesosulfuron-methyl; Propoxycarbazone-sodium; Mefenpyr-diethyl) ist ein neues Getreideherbizid zur Bekämpfung von Acker-Fuchsschwanz (Alopecurus myosuroides), Weidelgras-Arten (Lolium spec.), Trespen-Arten (Bromus spec.), Flughafer (Avena fatua), Gemeinem Windhalm (Apera spica-venti L), Einjährigem Rispengras (Poa annua L.) und einjährig zweikeimblättrigen Unkräutern. Das Produkt kann zur Frühjahrsapplikation in den Kulturen Winterweichweizen (Triticum aestivum L.), Wintertriticale (Triticale), Winterroggen (Secale cereale L.), Winterhartweizen (Triticum durum DESF.) und Dinkel (Triticum spelta L.)eingesetzt werden.Der Beitrag befasst sich mit der Auswertung mehrjähriger Versuche hinsichtlich der Wirkung von Atlantis FLEX im Nachauflaufeinsatz im Frühjahr. Hierbei wird gezeigt, dass Atlantis FLEX gute bis sehr gute Wirksamkeiten in den zuvor genannten Ungräsern erreichen kann.Stichwörter: Alopecurus myosuroides, Bromus spec., Gräserherbizid, Lolium spec., Mesosulfuron-methyl, Propoxycarbazone-sodiumAtlantis FLEX (BAY 22010 H) – a new herbicide in cereals with efficacy against grassesAbstractAtlantis FLEX (Mesosulfuron-methyl; Propoxycarbazone-sodium; Mefenpyr-diethyl) is a new cereal herbicide to control blackgrass (Alopecurus myosuroides), ryegrass (Lolium spec.), brome grass (Bromus spec.), wild oat (Avena fatua), loose silky-bentgrass (Apera spica-venti L), annual meadow-grass (Poa annua L.) and dicot weeds. Atlantis FLEX can be used in winter wheat, winter triticale, winter rye, winter durum wheat and spelt. The publication is based on efficacy trials from two years of spring application with Atlantis FLEX. It will be shown, that Atlantis FLEX generates a good to excellent efficacy against grass-weeds.Keywords: Alopecurus myosuroides, Bromus spec., cereal herbicide, Lolium spec., mesosulfuron-methyl, propoxycarbazone-sodiu

Klaus Gehring - One of the best experts on this subject based on the ideXlab platform.

  • Herbizideinsatz gegen schwer bekämpfbaren, herbizidresistenten Acker- Fuchsschwanz ( Alopecurus myosuroides Huds.) in Winterweizen ( Triticum aestivum
    Julius-Kühn-Archiv, 2014
    Co-Authors: Klaus Gehring, Stefan Thyssen
    Abstract:

    In einer Serie von acht Feldversuchen wurden im Zeitraum von 2010 bis 2013 auf Standorten in Nordwesten Bayerns 12 unterschiedliche Behandlungsvarianten zur Bekampfung von herbizidresistenten Acker-Fuchsschwanz (Alopecurus myosuroides, Huds.) getestet. Die Basis der Anwendungen lag bei dem Einsatz des Herbizides Atlantis (Mesosulfuron + Iodosulfuron + Mefenpyr) in Winterweizen. Neben der Kombination mit weiteren Herbiziden wurden unterschiedliche Anwendungstermine, Behandlungshaufigkeiten, Aufwandmengen und Erganzungen mit Zusatzstoffen untersucht. Uber alle Behandlungen wurde eine Abhangigkeit in der Bekampfungsleistung von der Acker-Fuchsschwanz-Besatzdichte, von dem Resistenzniveau der einzelnen Population und von dem jeweiligen Anwendungsverfahren nachgewiesen. Im Vergleich der Behandlungsvarianten waren Behandlungsfolgen wirkungssicherer als Einfachbehandlungen. Die Anwendung eines Bodenherbizids im Herbst und die Folgebehandlung mit einer angepassten Atlantis-Aufwandmenge im Fruhjahr ermoglichte die sicherste Bekampfung. Reduzierte Atlantis-Aufwandmengen mussen durch eine Erganzung mit Zusatzstoffen ausgeglichen werden. Mit der Zunahme des Resistenzniveaus von Acker-Fuchsschwanz wird die Umsetzung eines integrierten Resistenzmanagements fur die Gewahrleistung einer wirtschaftlichen Winterweizenproduktion unverzichtbar.Stichworter: Anwendungsverfahren, Bekampfungsleistung, Flufenacet, Iodosulfuron, Mesosulfuron, integriertes Resistenzmanagement, ZusatzstoffeHerbicide treatments for the control of resistant black grass (Alopecurus myosuroides Huds.) in winter wheat (Triticum aestivum L.)AbstractDifferent herbicide treatments were tested in the year 2010 – 2013 at eight locations in the north-west of Bavaria in Franken to control herbicide resistant black grass (Alopecurus myosuroides, Huds.). Application of Atlantis (Mesosulfuron + Iodosulfuron + Mefenpyr) was essential for the control of black grass in winter wheat. Combination with other herbicides was also in focus of the trial program as different treatment methods, application timing, application sequences, herbicide rate and the use of adjuvants. As a result of the trials sequence applications were more effective than single applications. The use of soil active herbicides in autumn and spring application of Atlantis was one of the best solutions to control resistant black grass in winter wheat. Reduced rate of Atlantis have to be compensated by addition of appropriate adjuvants. Higher level of resistance depends on implementation of integrated weed management to serve economic wheat production.Keywords: Adjuvants, efficacy, flufenacet, integrated weed management, iodosulfuron, mesosulfurontreatment-programm

  • herbizideinsatz gegen schwer bekampfbaren herbizidresistenten acker fuchsschwanz Alopecurus myosuroides huds in winterweizen triticum aestivum em l
    Julius-Kühn-Archiv, 2014
    Co-Authors: Klaus Gehring, Stefan Thyssen
    Abstract:

    In einer Serie von acht Feldversuchen wurden im Zeitraum von 2010 bis 2013 auf Standorten in Nordwesten Bayerns 12 unterschiedliche Behandlungsvarianten zur Bekampfung von herbizidresistenten Acker-Fuchsschwanz (Alopecurus myosuroides, Huds.) getestet. Die Basis der Anwendungen lag bei dem Einsatz des Herbizides Atlantis (Mesosulfuron + Iodosulfuron + Mefenpyr) in Winterweizen. Neben der Kombination mit weiteren Herbiziden wurden unterschiedliche Anwendungstermine, Behandlungshaufigkeiten, Aufwandmengen und Erganzungen mit Zusatzstoffen untersucht. Uber alle Behandlungen wurde eine Abhangigkeit in der Bekampfungsleistung von der Acker-Fuchsschwanz-Besatzdichte, von dem Resistenzniveau der einzelnen Population und von dem jeweiligen Anwendungsverfahren nachgewiesen. Im Vergleich der Behandlungsvarianten waren Behandlungsfolgen wirkungssicherer als Einfachbehandlungen. Die Anwendung eines Bodenherbizids im Herbst und die Folgebehandlung mit einer angepassten Atlantis-Aufwandmenge im Fruhjahr ermoglichte die sicherste Bekampfung. Reduzierte Atlantis-Aufwandmengen mussen durch eine Erganzung mit Zusatzstoffen ausgeglichen werden. Mit der Zunahme des Resistenzniveaus von Acker-Fuchsschwanz wird die Umsetzung eines integrierten Resistenzmanagements fur die Gewahrleistung einer wirtschaftlichen Winterweizenproduktion unverzichtbar.Stichworter: Anwendungsverfahren, Bekampfungsleistung, Flufenacet, Iodosulfuron, Mesosulfuron, integriertes Resistenzmanagement, ZusatzstoffeHerbicide treatments for the control of resistant black grass (Alopecurus myosuroides Huds.) in winter wheat (Triticum aestivum L.)AbstractDifferent herbicide treatments were tested in the year 2010 – 2013 at eight locations in the north-west of Bavaria in Franken to control herbicide resistant black grass (Alopecurus myosuroides, Huds.). Application of Atlantis (Mesosulfuron + Iodosulfuron + Mefenpyr) was essential for the control of black grass in winter wheat. Combination with other herbicides was also in focus of the trial program as different treatment methods, application timing, application sequences, herbicide rate and the use of adjuvants. As a result of the trials sequence applications were more effective than single applications. The use of soil active herbicides in autumn and spring application of Atlantis was one of the best solutions to control resistant black grass in winter wheat. Reduced rate of Atlantis have to be compensated by addition of appropriate adjuvants. Higher level of resistance depends on implementation of integrated weed management to serve economic wheat production.Keywords: Adjuvants, efficacy, flufenacet, integrated weed management, iodosulfuron, mesosulfurontreatment-programm

  • prinzipien einer anti resistenzstrategie bei der bekampfung von Alopecurus myosuroides und apera spica venti aus sicht des pflanzenschutzdienstes
    Julius-Kühn-Archiv, 2012
    Co-Authors: Klaus Gehring, Rolf Balgheim, Ewa Meinlschmidt, Constanze Schleichsaidfar
    Abstract:

    Ackerfuchsschwanz und Windhalm gehoren zu den wichtigsten Leitungrasern im Ackerbau. Bei beiden Leitungrasarten ist seit mehreren Jahren eine Zunahme von herbizidresistenten Biotypen bzw. Populationen vorhanden. Neben der Beachtung von ackerbaulichen Masnahmen ist ein angepasstes Herbizidmanagement fur die Verhinderung und Begrenzung der Resistenzentwicklung unverzichtbar. Dem Pflanzenschutzdienst kommt bei der Definition von geeigneten Anti-Resistenzstrategien mit einem sachgerechten Herbizidmanagement eine entscheidende Funktion als neutrale und unabhangige Institution zu. In dem Vortrag werden grundlegende Empfehlungen und Prinzipien fur die Anwendung sachgerechter Ackerbautechniken und fur die Umsetzung eines spezifischen Herbizidmanagements zur Resistenzvermeidung vorgestellt. Hierbei wird auf spezifische Aspekte bei der Bekampfung von Ackerfuchsschwanz und Windhalm in den unterschiedlichen Ackerbauregionen Deutschlands eingegangen. Die vorgestellten Konzepte sollen auch als Orientierung und Beratungsgrundlage fur die Fachberatung der Pflanzenschutzmittelindustrie und des landwirtschaftlichen Handels dienen. Stichworter: Ackerfuchsschwanz, gute fachliche Praxis, Herbizidresistenz, Resistenzmanagement, Unkrautbekampfung, Windhalm Principles of resistance management for the control of Alopecurus myosuroides and Apera spica-venti in the view of the official plant protection service Alopecurus myosuroides and Apera spica-venti are the most important grass weeds on arable land. For many years, these grass species have shown a development of herbicide resistant biotypes and populations. Appropriate field techniques and herbicide control are absolutely essential for the prevention and limitation of resistance development. The official plant protection service has an decisive task as a neutral and independent institution for suitable anti-resistance strategies based on herbicide management. Basic recommendations and principles are presented for appropriate cropping strategies and the implementation of suitable, specific herbicide management techniques for the avoidance of resistance. Specific aspects of the control of Alopecurus myosuroides and Apera spica-venti in different regions of Germany are discussed. The presented concepts are the basis for advice for the plant protection industry and the agricultural trade. Keywords: Best management practice, black-grass, herbicide resistance, loose silky-bent, resistance management, weed control

  • herbizidresistenz bei Alopecurus myosuroides huds in bayern
    Julius-Kühn-Archiv, 2012
    Co-Authors: Klaus Gehring, Stefan Thyssen, Thomas Festner
    Abstract:

    Ackerfuchsschwanz ( Alopecurus myosuroides ) ist eines der wichtigsten Leitungraser im bayerischen Ackerbau. Fur die Vermeidung von hohen Ertrags- und Qualitatsverlusten ist eine effektive chemische Bekampfung in verschiedensten Ackerbaukulturen unverzichtbar. Durch Veranderungen in der Produktionstechnik, wie z.B. vereinfachte Fruchtfolgen, reduzierte Bodenbearbeitung und uberbetrieblicher Mahdreschereinsatz, ist eine starke Ausbreitung des Ackerfuchsschwanzes aufgetreten. Seit etwa 20 Jahren ist eine zunehmende Entwicklung von herbizidresistenten Biotypen und Populationen feststellbar. Der bayerische Pflanzenschutzdienst verfugt uber langjahrige Erfahrungen zur Resistenzentwicklung bei Ackerfuchsschwanz. Die Auswertung von Verdachtsuntersuchungen und Monitoringerhebungen beschreibt die Resistenzentwicklung von Ackerfuchsschwanz in Bayern. Neben der Auswertung von Resistenzuntersuchungen wird die Resistenzentwicklung in den Bezug zur Veranderung von ackerbaulichen ahmenbedingungen, zu betriebsspezifischen Standortfaktoren und zu produktionstechnischen Besonderheiten gestellt. Die festgestellte Resistenzentwicklung ermoglicht eine Prognose zur Weiterentwicklung und Bedeutung der Herbizidresistenz von Ackerfuchsschwanz im Ackerbau Bayerns. Stichworter: Ackerfuchsschwanz, Resistenzmanagement, Ungrasbekampfung Herbicide resistance of Alopecurus myosuroides Huds. in Bavaria Black-grass ( Alopecurus myosuroides ) is one of the most important grass weeds in Bavaria. Chemical weed control with high efficacy is very important in different crops. Crop rotations with more winter cereals, reduced soil cultivation and e.g. harvesting by private contractors caused a higher distribution of black-grass in arable farming regions. Evolution of herbicide resistance was observed during the last 20 years. Black-grass herbicide resistance is well monitored by the official plant protection service of Bavaria. A wide range of resistance tests show the development of resistant black-grass and provide an opportunity for future prospects in resistance dynamics. Keywords: Black-grass, grass weed control, herbicide resistance management

  • Prinzipien einer Anti-Resistenzstrategie bei der Bekämpfung von Alopecurus myosuroides und Apera spica-venti aus Sicht des Pflanzenschutzdienstes Principles of resistance management for the control of Alopecurus myosuroides and Apera spica-venti in t
    2012
    Co-Authors: Klaus Gehring, Rolf Balgheim, Ewa Meinlschmidt, Constanze Schleich-saidfar
    Abstract:

    Summary Alopecurus myosuroides and Apera spica-venti are the most important grass weeds on arable land. For many years, these grass species have shown a development of herbicide resistant biotypes and populations. Appropriate field techniques and herbicide control are absolutely essential for the prevention and limitation of resistance development. The official plant protection service has an decisive task as a neutral and independent institution for suitable anti-resistance strategies based on herbicide management. Basic recommendations and principles are presented for appropriate cropping strategies and the implementation of suitable, specific herbicide management techniques for the avoidance of resistance. Specific aspects of the control of Alopecurus myosuroides and Apera spica-venti in different regions of Germany are discussed. The presented concepts are the basis for advice for the plant protection industry and the agricultural trade.