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Mode of action of a novel synthetic auxin herbicide, halauxifen-methyl
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Xu, Jiaqi, Liu, Xudong, Napier, Richard, Dong, Liyao and Li, Jun (2022) Mode of action of a novel synthetic auxin herbicide, halauxifen-methyl. Agronomy, 12 (7). 1659. doi:10.3390/agronomy12071659 ISSN 2073-4395.
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WRAP-Mode-of-action-of-a-novel-synthetic-auxin-herbicide-halauxifen-methyl-Napier-22.pdf - Accepted Version - Requires a PDF viewer. Available under License Creative Commons Attribution 4.0. Download (2362Kb) | Preview |
Official URL: https://doi.org/10.3390/agronomy12071659
Abstract
Halauxifen‐methyl is a new auxin herbicide developed by Corteva Agriscience (Wilmington, DE, USA). It has been suggested that ABF5 may be the target of halauxifen‐methyl, as AFB5 mutants of Arabidopsis thaliana are resistant to halauxifen‐methyl, which preferentially binds to AFB5. However, the mode of action of halauxifen-methyl has not yet been reported. Therefore, the aim of the present study was to reveal the mode of action of halauxifen-methyl by exploring its influence on indole-3-acetic acid (IAA) homeostasis and the biosynthesis of ethylene and Abscisic Acid (ABA) in Galium aparine. The results showed that halauxifen-methyl could disrupt the homeostasis of IAA and stimulate the overproduction of ethylene and ABA by inducing the overexpression of 1-aminocyclopropane-1-carboxylate synthase (ACS) and 9-cis-epoxycarotenoid dioxygenase (NCED) genes involved in ethylene and ABA biosynthesis, finally leading to senescence and plant death.
| Item Type: | Journal Article | ||||||
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| Subjects: | Q Science > QK Botany S Agriculture > SB Plant culture |
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| Divisions: | Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- ) | ||||||
| Library of Congress Subject Headings (LCSH): | Herbicides , Herbicide safeners , Auxin -- Physiological effect, Plants -- Effect of auxin on, Arabidopsis thaliana , Homeostasis , Plants -- Effect of ethylene on, Ethylene -- Physiological effect , Abscisic acid | ||||||
| Journal or Publication Title: | Agronomy | ||||||
| Publisher: | M D P I AG | ||||||
| ISSN: | 2073-4395 | ||||||
| Official Date: | 12 July 2022 | ||||||
| Dates: |
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| Volume: | 12 | ||||||
| Number: | 7 | ||||||
| Article Number: | 1659 | ||||||
| DOI: | 10.3390/agronomy12071659 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Access rights to Published version: | Open Access (Creative Commons) | ||||||
| Date of first compliant deposit: | 11 July 2022 | ||||||
| Date of first compliant Open Access: | 11 July 2022 |
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