2023
DOI: 10.3390/ijms242216228
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Drought Stress Alleviator Melatonin Reconfigures Water-Stressed Barley (Hordeum vulgare L.) Plants’ Photosynthetic Efficiency, Antioxidant Capacity, and Endogenous Phytohormone Profile

Neveen B. Talaat

Abstract: The production of crops is severely limited by water scarcity. We still do not fully understand the underlying mechanism of exogenous melatonin (MT)-mediated water stress tolerance in barley. This study is the first of its kind to show how MT can potentially mitigate changes in barley’s physio-biochemical parameters caused by water deficiency. Barley was grown under three irrigation levels (100%, 70%, and 30% of field capacity) and was foliar sprayed with 70 μM MT. The results showed that exogenously applied M… Show more

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Cited by 13 publications
(1 citation statement)
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“…Phytohormone content in plants is significantly altered by drought stress due to its impact on phytohormone metabolism ( Ghafari et al., 2020 ; Talaat, 2023 ). The PST pathway responds simultaneously to water deficit stress in three alfalfa varieties, and there is a close correlation between hormone synthesis and metabolic pathways ( Wang et al., 2023b ).…”
Section: Discussionmentioning
confidence: 99%
“…Phytohormone content in plants is significantly altered by drought stress due to its impact on phytohormone metabolism ( Ghafari et al., 2020 ; Talaat, 2023 ). The PST pathway responds simultaneously to water deficit stress in three alfalfa varieties, and there is a close correlation between hormone synthesis and metabolic pathways ( Wang et al., 2023b ).…”
Section: Discussionmentioning
confidence: 99%