2017
DOI: 10.1088/1755-1315/94/1/012024
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Effects of exogenous melatonin on antioxidant capacity in Actinidia seedlings under salt stress

Abstract: Abstract.To investigate the alleviation of exogenous melatonin (MT) in Actinidia seedlings under 100 mM NaCl stress, one-year-old Actinidia deliciosa seedlings were treated with 0.1, 0.5 and 1μM of exogenous melatonin solution, respectively. The results showed that the antioxidant substance (ASA, TPC, TFC and TFAC) contents and antioxidative capacity (DPPH, ABTS and FRAP) of Actinidia seedlings under salt stress were significantly increased compared with the CK. At the same time, the antioxidant substance cont… Show more

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Cited by 14 publications
(6 citation statements)
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“…Melatonin application during As stress led to enhancement of free radical scavenging activity by 1.4‐fold and 1.2‐fold in Khitish and Muktashri, respectively, as compared to As treatment alone (Table 2), clearly indicating the influence of Mel in strengthening the free radical scavenging capacity, especially in the sensitive variety and hence contributing to plant defence. Our results are in congruence with earlier reports by Xia et al (2017) and Liang et al (2018) which also highlighted the role of Mel in boosting antioxidant capacity during environmental stress.…”
Section: Resultssupporting
confidence: 94%
See 1 more Smart Citation
“…Melatonin application during As stress led to enhancement of free radical scavenging activity by 1.4‐fold and 1.2‐fold in Khitish and Muktashri, respectively, as compared to As treatment alone (Table 2), clearly indicating the influence of Mel in strengthening the free radical scavenging capacity, especially in the sensitive variety and hence contributing to plant defence. Our results are in congruence with earlier reports by Xia et al (2017) and Liang et al (2018) which also highlighted the role of Mel in boosting antioxidant capacity during environmental stress.…”
Section: Resultssupporting
confidence: 94%
“…Our results are in congruence with earlier reports by Xia et al (2017) and Liang et al (2018) which also highlighted the role of Mel in boosting antioxidant capacity during environmental stress.…”
Section: Effect Of Mel On Oxidative Damage-related Parameterssupporting
confidence: 94%
“…Accordingly, heat stress caused a significant reduction in the antioxidant substances and antioxidant capacity, which, conversely, were enhanced by pretreatment with MT. Similar results were reported in kiwifruit seedlings [44] and basil plants [45] under salinity stress. In our experiments, pretreatment with 100 µmol MT also increased the endogenous MT level during heat stress (Figure 5), consistent with Xu et al [25] and Jahan et al [46] in cucumber and tomato plants, respectively, during heat stress, and this could have contributed to augmenting the antioxidant defense mechanisms.…”
Section: Discussionsupporting
confidence: 89%
“…Also, plant damage is significantly reduced. Interestingly, the 0.1 μM melatonin concentration was shown to be most effective [49].…”
Section: Resultsmentioning
confidence: 99%