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- Title
Regulatory potential of secondary metabolite DIMBOA and baicalein to imazethapyr-induced toxicity in wheat seedlings.
- Authors
Chen, Hui; Chu, Zheyu; Huang, Jinye; Wen, Yuezhong
- Abstract
Controlling and mitigating the toxicity of herbicides to non-target plants is of significant importance in reducing ecological risks. The development of green and natural herbicide control technologies has become an urgent necessity. In this paper, how 2,4-dihydroxy-7-methoxy-2H-1,4-benzoxazine-3(4H)-one (DIMBOA) and baicalein alleviated oxidative stress induced by imazethapyr (IM) in wheat seedlings was investigated. We found that DIMBOA and baicalein enhanced the antioxidant enzyme activities in wheat seedlings exposed to IM and reduced the excessive reactive oxygen species due to IM stress by 21.3% and 23.5%, respectively. DIMBOA and baicalein also restored the iron content reduced by IM and effectively mitigated Fe2+ overload by alleviating the response of heme oxygenase 1 to IM stress. The antioxidant and iron homeostatic maintenance properties of DIMBOA and baicalein enhanced the defenses of wheat seedlings against IM stress. Our results highlight the potential implication of secondary metabolites as natural products to modulate herbicide toxicity to non-target plants.
- Subjects
HERBICIDES; NON-target organisms; WHEAT; HEME oxygenase; SEEDLINGS; REACTIVE oxygen species; HERBICIDE-resistant crops; WEEDS
- Publication
Environmental Science & Pollution Research, 2024, Vol 31, Issue 26, p38265
- ISSN
0944-1344
- Publication type
Article
- DOI
10.1007/s11356-024-33812-x