As shown in Figure 5 , the AsA content in the leaves of Tiannong 9 showed a trend of first decreasing and then increasing from the 1st to the 4th day after Cd stress, and the AsA/DHA ratio presented similar characteristics to the change of AsA content.
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Exogenous Hemin alleviated cadmium stress in maize (<i>Zea mays</i> L.) by enhancing leaf photosynthesis, AsA-GSH cycle and polyamine metabolism.
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EL, MDA and activities of SOD, POD, CAT As shown in Figure 3 that Cd stress caused the leaf EL to show an increasing trend, which was manifested as a slow rise in the early stage and a sharp rise in the later stage, showing an increasingly severe trend as the stress level advanced.