Molecular basis of multiple resistance to herbicides inhibiting acetyl-CoA carboxylase and acetolactate synthase in American sloughgrass (Beckmannia syzigachne) from China
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作者:
Pan, Lang
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Nanjing Agr Univ, Coll Plant Protect, Nanjing 210095, Jiangsu, Peoples R China
Nanjing Agr Univ, Minist Agr, Key Lab Integrated Pest Management Crops Eastern, Nanjing 210095, Jiangsu, Peoples R ChinaNanjing Agr Univ, Coll Plant Protect, Nanjing 210095, Jiangsu, Peoples R China
Pan, Lang
[1
,2
]
Gao, Haitao
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Nanjing Agr Univ, Coll Plant Protect, Nanjing 210095, Jiangsu, Peoples R China
Nanjing Agr Univ, Minist Agr, Key Lab Integrated Pest Management Crops Eastern, Nanjing 210095, Jiangsu, Peoples R ChinaNanjing Agr Univ, Coll Plant Protect, Nanjing 210095, Jiangsu, Peoples R China
Gao, Haitao
[1
,2
]
Wu, Han
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Nanjing Agr Univ, Coll Plant Protect, Nanjing 210095, Jiangsu, Peoples R China
Nanjing Agr Univ, Minist Agr, Key Lab Integrated Pest Management Crops Eastern, Nanjing 210095, Jiangsu, Peoples R ChinaNanjing Agr Univ, Coll Plant Protect, Nanjing 210095, Jiangsu, Peoples R China
Wu, Han
[1
,2
]
Dong, Liyao
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Nanjing Agr Univ, Coll Plant Protect, Nanjing 210095, Jiangsu, Peoples R China
Nanjing Agr Univ, Minist Agr, Key Lab Integrated Pest Management Crops Eastern, Nanjing 210095, Jiangsu, Peoples R ChinaNanjing Agr Univ, Coll Plant Protect, Nanjing 210095, Jiangsu, Peoples R China
Dong, Liyao
[1
,2
]
机构:
[1] Nanjing Agr Univ, Coll Plant Protect, Nanjing 210095, Jiangsu, Peoples R China
[2] Nanjing Agr Univ, Minist Agr, Key Lab Integrated Pest Management Crops Eastern, Nanjing 210095, Jiangsu, Peoples R China
American sloughgrass (Beckmannia syzigachne Steud.) is a problematic grass that is widely distributed in wheat and oilseed rape fields in China. The herbicides fenoxaprop-P-ethyl and mesosulfuron-methyl failed to control B. syzigachne JCWJ-R populations collected from a wheat field in Jiangsu Province. Dose-response experiments showed that JCWJ-R was resistant to the acetyl-CoA carboxylase (ACCase) inhibitors fenoxaprop-P-ethyl (33.8-fold), haloxyfop-R-methyl (12.7-fold), clethodim (7.8-fold) and pinoxaden (11.6-fold), and to the acetolactate synthase (ALS) inhibitors mesosulfuron-methyl (15.9-fold), pyroxsulam (17.6-fold), flucarbazone-Na (10.7-fold) and imazethapyr (7-fold). Resistance to ALS inhibitors was due to a Pro-197-Ser mutation in the ALS gene and resistance to ACCase inhibitors was due to an Ile-1781-Leu mutation in the ACCase gene. A derived cleaved amplified polymorphic sequence method was developed to detect the ALS mutation in B. syzigachne. This was combined with a previously established method to detect Ile-1781-Leu, and the mutation frequency and homozygous mutation rates in the JCWJ-R population were determined. The evolution of multiple resistance to ACCase and ALS inhibitors in this B. syzigachne population indicated that alternative methods should be developed to control resistant weeds.
机构:
Syngenta, Jealotts Hill Int Res Ctr, Biol Sci, Bracknell RG42 6EY, Berks, EnglandSyngenta, Jealotts Hill Int Res Ctr, Biol Sci, Bracknell RG42 6EY, Berks, England
机构:
Agr Victoria, AgriBio, Ctr AgriBiosci, Bundoora, Vic, Australia
Univ Nacl Rosario, Fac Ciencias Agr, Zavalla, Argentina
Univ Nacl Rosario, Consejo Nacl Invest Cient & Tecn IICAR, CONICET, UNR,Inst Invest Ciencias Agr Rosario, Campo Expt Jose Villarino,CC14,S2125ZA, Zavalla, Santa Fe, ArgentinaAgr Victoria, AgriBio, Ctr AgriBiosci, Bundoora, Vic, Australia
Depetris, Mara B.
Padilla, Esteban Muniz
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Univ Nacl Entre Rios, Fac Ciencias Agr, Oro Verde, Argentina
Univ Autonoma Entre Rios, Fac Ciencia & Tecnol, Oro Verde, ArgentinaAgr Victoria, AgriBio, Ctr AgriBiosci, Bundoora, Vic, Australia
Padilla, Esteban Muniz
Ayala, Fabian
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Univ Nacl Entre Rios, Fac Ciencias Agr, Oro Verde, ArgentinaAgr Victoria, AgriBio, Ctr AgriBiosci, Bundoora, Vic, Australia
Ayala, Fabian
Tuesca, Daniel
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Univ Nacl Rosario, Fac Ciencias Agr, Zavalla, ArgentinaAgr Victoria, AgriBio, Ctr AgriBiosci, Bundoora, Vic, Australia
Tuesca, Daniel
Breccia, Gabriela
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机构:
Univ Nacl Rosario, Fac Ciencias Agr, Zavalla, Argentina
Univ Nacl Rosario, Consejo Nacl Invest Cient & Tecn IICAR, CONICET, UNR,Inst Invest Ciencias Agr Rosario, Campo Expt Jose Villarino,CC14,S2125ZA, Zavalla, Santa Fe, ArgentinaAgr Victoria, AgriBio, Ctr AgriBiosci, Bundoora, Vic, Australia