Effects of exogenous melatonin on leaf antioxidants and antioxidant capacity of kiwifruit seedling under the stress of cadmium

摘要

Using one-year-old wild Actinidia deliciosa as the experimental material, the effects of melatonin (MT) on the antioxidant system of kiwifruit seedlings under heavy metal Cd stress were studied by root irrigating method. The results showed that after MT pretreament, the contents of antioxidants (TPC, TFC, TFAC and ASA) increased in the leaves of Actinidia chinensis seedlings after Cd stress treatment, and the antioxidant capacity (DPPH, ABTS and FRAP) descended first and then rose.