Herbicide resistance testing of Lolium rigidum by commercial institutions

Peter Boutsalis, John Broster

Research output: Book chapter/Published conference paperConference paper

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Abstract

Summary: Herbicide resistance in broad-acre cereal farming is a major issue confronting farmers today. The most significant weed species that has developed resistance is annual ryegrass (Lolium rigidum Gaudin). Knowledge of the herbicide resistance status of a paddock allows for strategic farm planning and correct herbicide choice. As resistance increases, more farmers are electing to have their paddocks tested for herbicide resistance using herbicide resistance testing facilities. The findings from the testing facilities have shown high levels of resistance to aryloxyphenoxypropionate (FOP) and sulfonylurea (SU) herbicides. There is increasing resistance to the cyclohexanedione (DIM) herbicides and trifluralin, which have been used to combat FOP and SU herbicide resistant ryegrass. This is a concern for many farmers as their herbicide options are greatly reduced. The objective of this paper is to summarise the findings of annual ryegrass resistance testing that has been conducted by Charles Sturt University and Plant Science Consulting in the last two seasons.
Original languageEnglish
Title of host publication15th conference proceedings
Subtitle of host publicationManaging Weeds in a Changing Climate
EditorsJ H Watts C Preston, N D Crossman N D D Crossman
Place of PublicationAdelaide, Australia
PublisherWeed Management Society of South Australia
Pages488-490
Number of pages3
ISBN (Electronic)0646463446
Publication statusPublished - 2006
EventAustralasian Weeds Conference (AWC) - Adelaide, Australia, Australia
Duration: 24 Sep 200628 Sep 2006

Conference

ConferenceAustralasian Weeds Conference (AWC)
CountryAustralia
Period24/09/0628/09/06

Fingerprint

Lolium rigidum
herbicide resistance
Lolium
sulfonylurea herbicides
herbicides
farmers
farm planning
testing
pastures
trifluralin
farming systems
weeds

Cite this

Boutsalis, P., & Broster, J. (2006). Herbicide resistance testing of Lolium rigidum by commercial institutions. In J. H. W. C. Preston, & N. D. C. N. D. D Crossman (Eds.), 15th conference proceedings: Managing Weeds in a Changing Climate (pp. 488-490). Adelaide, Australia: Weed Management Society of South Australia.
Boutsalis, Peter ; Broster, John. / Herbicide resistance testing of Lolium rigidum by commercial institutions. 15th conference proceedings: Managing Weeds in a Changing Climate. editor / J H Watts C Preston ; N D Crossman N D D Crossman. Adelaide, Australia : Weed Management Society of South Australia, 2006. pp. 488-490
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abstract = "Summary: Herbicide resistance in broad-acre cereal farming is a major issue confronting farmers today. The most significant weed species that has developed resistance is annual ryegrass (Lolium rigidum Gaudin). Knowledge of the herbicide resistance status of a paddock allows for strategic farm planning and correct herbicide choice. As resistance increases, more farmers are electing to have their paddocks tested for herbicide resistance using herbicide resistance testing facilities. The findings from the testing facilities have shown high levels of resistance to aryloxyphenoxypropionate (FOP) and sulfonylurea (SU) herbicides. There is increasing resistance to the cyclohexanedione (DIM) herbicides and trifluralin, which have been used to combat FOP and SU herbicide resistant ryegrass. This is a concern for many farmers as their herbicide options are greatly reduced. The objective of this paper is to summarise the findings of annual ryegrass resistance testing that has been conducted by Charles Sturt University and Plant Science Consulting in the last two seasons.",
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Boutsalis, P & Broster, J 2006, Herbicide resistance testing of Lolium rigidum by commercial institutions. in JHWC Preston & NDCND D Crossman (eds), 15th conference proceedings: Managing Weeds in a Changing Climate. Weed Management Society of South Australia, Adelaide, Australia, pp. 488-490, Australasian Weeds Conference (AWC), Australia, 24/09/06.

Herbicide resistance testing of Lolium rigidum by commercial institutions. / Boutsalis, Peter; Broster, John.

15th conference proceedings: Managing Weeds in a Changing Climate. ed. / J H Watts C Preston; N D Crossman N D D Crossman. Adelaide, Australia : Weed Management Society of South Australia, 2006. p. 488-490.

Research output: Book chapter/Published conference paperConference paper

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AB - Summary: Herbicide resistance in broad-acre cereal farming is a major issue confronting farmers today. The most significant weed species that has developed resistance is annual ryegrass (Lolium rigidum Gaudin). Knowledge of the herbicide resistance status of a paddock allows for strategic farm planning and correct herbicide choice. As resistance increases, more farmers are electing to have their paddocks tested for herbicide resistance using herbicide resistance testing facilities. The findings from the testing facilities have shown high levels of resistance to aryloxyphenoxypropionate (FOP) and sulfonylurea (SU) herbicides. There is increasing resistance to the cyclohexanedione (DIM) herbicides and trifluralin, which have been used to combat FOP and SU herbicide resistant ryegrass. This is a concern for many farmers as their herbicide options are greatly reduced. The objective of this paper is to summarise the findings of annual ryegrass resistance testing that has been conducted by Charles Sturt University and Plant Science Consulting in the last two seasons.

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Boutsalis P, Broster J. Herbicide resistance testing of Lolium rigidum by commercial institutions. In Preston JHWC, D Crossman NDCND, editors, 15th conference proceedings: Managing Weeds in a Changing Climate. Adelaide, Australia: Weed Management Society of South Australia. 2006. p. 488-490