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. 2015 Nov 3;6:925. doi: 10.3389/fpls.2015.00925

Figure 8.

Figure 8

Hierarchical cluster analysis of 46 metabolites modulated by 100 μM melatonin in leaves of Bermudagrassunder cold stress. NT was normal temperature of 30°C. CA was cold acclimation, in which Bermudagrass was treated with 4°C for 7 d and then transferred to −5°C for 8 h. NA was cold stress without acclimation, in which plants were treated with −5°C for 8 h without pre-treatment with 4°C. MLT, melatonin. The heatmap was performed on the website of http://www.metaboanalyst.ca/MetaboAnalyst/.