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Fig. 6 | BMC Plant Biology

Fig. 6

From: Foliar application of putrescine, salicylic acid, and ascorbic acid mitigates frost stress damage in Vitis vinifera cv. ‘Giziluzum’

Fig. 6

Physiological, biochemical, and chlorophyll fluorescence changes in Vitis vinifera cv. ‘Giziluzum’ under frost stress with the treatments of ascorbic acid (AS), salicylic acid (SA), and putrescine (Put). The heat map represents chlorophyll a (Chl a), chlorophyll b (Chl b), total chlorophyll (Total Chl), carotenoids (CARs), total soluble proteins content, catalase activity (CAT), guaiacol peroxidase (GPX) activity, ascorbate peroxidase (APX) activity, superoxide dismutase (SOD) activity, proline, H2O2 content, malondialdehyde (MDA), ascorbate (AsA), dehydroascorbate (DHA), AsA/DHA, (MSI), Fv/Fm, F0, Fm, Fv, Fv/F0, and Y (II)

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