Response of paraquat, diquat and glyphosate resistant willowherb (Epilobium ciliatum Raf. ) to some different alternative herbicides

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Khalil Tahmasbi Behroz; ALEBRAHIM MOHAMMAD TAGHI; ZAND ESKANDAR; SASANFAR HAMID REZA; De Prado Rafael

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Journal: IRANIAN JOURNAL OF WEED SCIENCE Year:2020 | Volume:15 | Issue:2 Page(s): 15-28

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Title

Response of paraquat, diquat and glyphosate resistant willowherb (Epilobium ciliatum Raf. ) to some different alternative herbicides

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Keywords

Dose responseQ1

GR50Q2

herbicideQ3

LD50Q2

resistanceQ1

Abstract

Willowherb (Epilobium ciliatum), a common weed in fields and gardens, is often controlled by diquat, paraquat and glyphosate herbicides, but reports showed appearance of resistance in this species to both groups of above herbicides. Due to this purpose, an experiment was performed in the University of Cordoba, 2017, as an alternative to control this weed using four groups of herbicides including glufosinate (GS inhibitor), MCPA and Fluroxypyr (synthetic auxin), flazasulfuron (ALS inhibitor) and pyraflufen-ethyl and Carfentrazone (PPO inhibitor). To investigate the effect of the mentioned herbicides, each herbicide used at eight doses and eight replicates. Finally, the lethal dose (LD50) and dry weight loss (GR50) were measured 21 days after treatments. The results showed the different degree of resistance between sensitive and resistant biotypes of willowherb in terms of the fresh weight and number of survivals after treatment with each herbicide. Also the except for fluroxypyr which needed 365. 05 gr h-1 higher dose than the recommended dose (300 gr h-1) to control resistant biotype, the rest of the herbicides controlled both the resistant and sensitive biotypes well at lower doses than recommended ones. As a result, the resistant species needed more herbicides, therefore, all studied herbicides could be used with more caution in the proper management of this herb.

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APA: Copy

Khalil Tahmasbi, Behroz, ALEBRAHIM, MOHAMMAD TAGHI, ZAND, ESKANDAR, SASANFAR, HAMID REZA, & De Prado, Rafael. (2020). Response of paraquat, diquat and glyphosate resistant willowherb (Epilobium ciliatum Raf. ) to some different alternative herbicides. IRANIAN JOURNAL OF WEED SCIENCE, 15(2 ), 15-28. SID. https://sid.ir/paper/388509/en

Vancouver: Copy

Khalil Tahmasbi Behroz, ALEBRAHIM MOHAMMAD TAGHI, ZAND ESKANDAR, SASANFAR HAMID REZA, De Prado Rafael. Response of paraquat, diquat and glyphosate resistant willowherb (Epilobium ciliatum Raf. ) to some different alternative herbicides. IRANIAN JOURNAL OF WEED SCIENCE[Internet]. 2020;15(2 ):15-28. Available from: https://sid.ir/paper/388509/en

IEEE: Copy

Behroz Khalil Tahmasbi, MOHAMMAD TAGHI ALEBRAHIM, ESKANDAR ZAND, HAMID REZA SASANFAR, and Rafael De Prado, “Response of paraquat, diquat and glyphosate resistant willowherb (Epilobium ciliatum Raf. ) to some different alternative herbicides,” IRANIAN JOURNAL OF WEED SCIENCE, vol. 15, no. 2 , pp. 15–28, 2020, [Online]. Available: https://sid.ir/paper/388509/en

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